| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Grishma Kotecha | 12099 | 41.21% | 2 | 3.17% |
| Alexander Lobakin | 3640 | 12.40% | 7 | 11.11% |
| Martyna Szapar-Mudlaw | 3057 | 10.41% | 4 | 6.35% |
| Marcin Szycik | 2742 | 9.34% | 2 | 3.17% |
| Dan Nowlin | 2085 | 7.10% | 1 | 1.59% |
| Michal Swiatkowski | 1344 | 4.58% | 3 | 4.76% |
| Anirudh Venkataramanan | 1318 | 4.49% | 11 | 17.46% |
| Shivanshu Shukla | 982 | 3.35% | 1 | 1.59% |
| Kiran Patil | 508 | 1.73% | 2 | 3.17% |
| Tony Nguyen | 344 | 1.17% | 3 | 4.76% |
| Brett Creeley | 279 | 0.95% | 3 | 4.76% |
| Wojciech Drewek | 255 | 0.87% | 4 | 6.35% |
| Victor Raj | 238 | 0.81% | 3 | 4.76% |
| Michal Wilczynski | 197 | 0.67% | 1 | 1.59% |
| Akeem G. Abodunrin | 123 | 0.42% | 3 | 4.76% |
| Henry Tieman | 61 | 0.21% | 1 | 1.59% |
| Grzegorz Siwik | 26 | 0.09% | 2 | 3.17% |
| Md Fahad Iqbal Polash | 25 | 0.09% | 1 | 1.59% |
| Dave Ertman | 15 | 0.05% | 2 | 3.17% |
| Bruce W Allan | 6 | 0.02% | 3 | 4.76% |
| Yashaswini Raghuram Prathivadi Bhayankaram | 6 | 0.02% | 2 | 3.17% |
| Wang Hai | 5 | 0.02% | 1 | 1.59% |
| Zhenning Xiao | 2 | 0.01% | 1 | 1.59% |
| Total | 29357 | 63 |
// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2018, Intel Corporation. */ #include "ice_lib.h" #include "ice_switch.h" #define ICE_ETH_DA_OFFSET 0 #define ICE_ETH_ETHTYPE_OFFSET 12 #define ICE_ETH_VLAN_TCI_OFFSET 14 #define ICE_MAX_VLAN_ID 0xFFF #define ICE_IPV6_ETHER_ID 0x86DD /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem * struct to configure any switch filter rules. * {DA (6 bytes), SA(6 bytes), * Ether type (2 bytes for header without VLAN tag) OR * VLAN tag (4 bytes for header with VLAN tag) } * * Word on Hardcoded values * byte 0 = 0x2: to identify it as locally administered DA MAC * byte 6 = 0x2: to identify it as locally administered SA MAC * byte 12 = 0x81 & byte 13 = 0x00: * In case of VLAN filter first two bytes defines ether type (0x8100) * and remaining two bytes are placeholder for programming a given VLAN ID * In case of Ether type filter it is treated as header without VLAN tag * and byte 12 and 13 is used to program a given Ether type instead */ #define DUMMY_ETH_HDR_LEN 16 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0, 0x2, 0, 0, 0, 0, 0, 0x81, 0, 0, 0}; enum { ICE_PKT_OUTER_IPV6 = BIT(0), ICE_PKT_TUN_GTPC = BIT(1), ICE_PKT_TUN_GTPU = BIT(2), ICE_PKT_TUN_NVGRE = BIT(3), ICE_PKT_TUN_UDP = BIT(4), ICE_PKT_INNER_IPV6 = BIT(5), ICE_PKT_INNER_TCP = BIT(6), ICE_PKT_INNER_UDP = BIT(7), ICE_PKT_GTP_NOPAY = BIT(8), ICE_PKT_KMALLOC = BIT(9), ICE_PKT_PPPOE = BIT(10), }; struct ice_dummy_pkt_offsets { enum ice_protocol_type type; u16 offset; /* ICE_PROTOCOL_LAST indicates end of list */ }; struct ice_dummy_pkt_profile { const struct ice_dummy_pkt_offsets *offsets; const u8 *pkt; u32 match; u16 pkt_len; u16 offsets_len; }; #define ICE_DECLARE_PKT_OFFSETS(type) \ static const struct ice_dummy_pkt_offsets \ ice_dummy_##type##_packet_offsets[] #define ICE_DECLARE_PKT_TEMPLATE(type) \ static const u8 ice_dummy_##type##_packet[] #define ICE_PKT_PROFILE(type, m) { \ .match = (m), \ .pkt = ice_dummy_##type##_packet, \ .pkt_len = sizeof(ice_dummy_##type##_packet), \ .offsets = ice_dummy_##type##_packet_offsets, \ .offsets_len = sizeof(ice_dummy_##type##_packet_offsets), \ } ICE_DECLARE_PKT_OFFSETS(vlan) = { { ICE_VLAN_OFOS, 12 }, }; ICE_DECLARE_PKT_TEMPLATE(vlan) = { 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_OFOS 12 */ }; ICE_DECLARE_PKT_OFFSETS(qinq) = { { ICE_VLAN_EX, 12 }, { ICE_VLAN_IN, 16 }, }; ICE_DECLARE_PKT_TEMPLATE(qinq) = { 0x91, 0x00, 0x00, 0x00, /* ICE_VLAN_EX 12 */ 0x81, 0x00, 0x00, 0x00, /* ICE_VLAN_IN 16 */ }; ICE_DECLARE_PKT_OFFSETS(gre_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_NVGRE, 34 }, { ICE_MAC_IL, 42 }, { ICE_ETYPE_IL, 54 }, { ICE_IPV4_IL, 56 }, { ICE_TCP_IL, 76 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(gre_tcp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x3E, /* ICE_IPV4_OFOS 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_IL 54 */ 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 76 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00 }; ICE_DECLARE_PKT_OFFSETS(gre_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_NVGRE, 34 }, { ICE_MAC_IL, 42 }, { ICE_ETYPE_IL, 54 }, { ICE_IPV4_IL, 56 }, { ICE_UDP_ILOS, 76 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(gre_udp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x3E, /* ICE_IPV4_OFOS 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_IL 54 */ 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 56 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 76 */ 0x00, 0x08, 0x00, 0x00, }; ICE_DECLARE_PKT_OFFSETS(udp_tun_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_VXLAN, 42 }, { ICE_GENEVE, 42 }, { ICE_VXLAN_GPE, 42 }, { ICE_MAC_IL, 50 }, { ICE_ETYPE_IL, 62 }, { ICE_IPV4_IL, 64 }, { ICE_TCP_IL, 84 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(udp_tun_tcp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x5a, /* ICE_IPV4_OFOS 14 */ 0x00, 0x01, 0x00, 0x00, 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 0x00, 0x46, 0x00, 0x00, 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_IL 62 */ 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_IL 64 */ 0x00, 0x01, 0x00, 0x00, 0x40, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 84 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00 }; ICE_DECLARE_PKT_OFFSETS(udp_tun_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_VXLAN, 42 }, { ICE_GENEVE, 42 }, { ICE_VXLAN_GPE, 42 }, { ICE_MAC_IL, 50 }, { ICE_ETYPE_IL, 62 }, { ICE_IPV4_IL, 64 }, { ICE_UDP_ILOS, 84 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(udp_tun_udp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x4e, /* ICE_IPV4_OFOS 14 */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 0x00, 0x3a, 0x00, 0x00, 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_IL 62 */ 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_IL 64 */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 84 */ 0x00, 0x08, 0x00, 0x00, }; ICE_DECLARE_PKT_OFFSETS(gre_ipv6_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_NVGRE, 34 }, { ICE_MAC_IL, 42 }, { ICE_ETYPE_IL, 54 }, { ICE_IPV6_IL, 56 }, { ICE_TCP_IL, 96 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_tcp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x66, /* ICE_IPV4_OFOS 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, /* ICE_ETYPE_IL 54 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */ 0x00, 0x08, 0x06, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 96 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00 }; ICE_DECLARE_PKT_OFFSETS(gre_ipv6_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_NVGRE, 34 }, { ICE_MAC_IL, 42 }, { ICE_ETYPE_IL, 54 }, { ICE_IPV6_IL, 56 }, { ICE_UDP_ILOS, 96 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(gre_ipv6_udp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x5a, /* ICE_IPV4_OFOS 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x65, 0x58, /* ICE_NVGRE 34 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, /* ICE_ETYPE_IL 54 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 56 */ 0x00, 0x08, 0x11, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 96 */ 0x00, 0x08, 0x00, 0x00, }; ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_VXLAN, 42 }, { ICE_GENEVE, 42 }, { ICE_VXLAN_GPE, 42 }, { ICE_MAC_IL, 50 }, { ICE_ETYPE_IL, 62 }, { ICE_IPV6_IL, 64 }, { ICE_TCP_IL, 104 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_tcp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x6e, /* ICE_IPV4_OFOS 14 */ 0x00, 0x01, 0x00, 0x00, 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 0x00, 0x5a, 0x00, 0x00, 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, /* ICE_ETYPE_IL 62 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */ 0x00, 0x08, 0x06, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 104 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00 }; ICE_DECLARE_PKT_OFFSETS(udp_tun_ipv6_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_VXLAN, 42 }, { ICE_GENEVE, 42 }, { ICE_VXLAN_GPE, 42 }, { ICE_MAC_IL, 50 }, { ICE_ETYPE_IL, 62 }, { ICE_IPV6_IL, 64 }, { ICE_UDP_ILOS, 104 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(udp_tun_ipv6_udp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x62, /* ICE_IPV4_OFOS 14 */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xb5, /* ICE_UDP_OF 34 */ 0x00, 0x4e, 0x00, 0x00, 0x00, 0x00, 0x65, 0x58, /* ICE_VXLAN 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_IL 50 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, /* ICE_ETYPE_IL 62 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_IL 64 */ 0x00, 0x08, 0x11, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 104 */ 0x00, 0x08, 0x00, 0x00, }; /* offset info for MAC + IPv4 + UDP dummy packet */ ICE_DECLARE_PKT_OFFSETS(udp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_ILOS, 34 }, { ICE_PROTOCOL_LAST, 0 }, }; /* Dummy packet for MAC + IPv4 + UDP */ ICE_DECLARE_PKT_TEMPLATE(udp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_OFOS 14 */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 34 */ 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; /* offset info for MAC + IPv4 + TCP dummy packet */ ICE_DECLARE_PKT_OFFSETS(tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV4_OFOS, 14 }, { ICE_TCP_IL, 34 }, { ICE_PROTOCOL_LAST, 0 }, }; /* Dummy packet for MAC + IPv4 + TCP */ ICE_DECLARE_PKT_TEMPLATE(tcp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, /* ICE_ETYPE_OL 12 */ 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_OFOS 14 */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 34 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; ICE_DECLARE_PKT_OFFSETS(tcp_ipv6) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV6_OFOS, 14 }, { ICE_TCP_IL, 54 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(tcp_ipv6) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, /* ICE_ETYPE_OL 12 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 40 */ 0x00, 0x14, 0x06, 0x00, /* Next header is TCP */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 54 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; /* IPv6 + UDP */ ICE_DECLARE_PKT_OFFSETS(udp_ipv6) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_IPV6_OFOS, 14 }, { ICE_UDP_ILOS, 54 }, { ICE_PROTOCOL_LAST, 0 }, }; /* IPv6 + UDP dummy packet */ ICE_DECLARE_PKT_TEMPLATE(udp_ipv6) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, /* ICE_ETYPE_OL 12 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 40 */ 0x00, 0x10, 0x11, 0x00, /* Next header UDP */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 54 */ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* needed for ESP packets */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; /* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner TCP */ ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_GTP, 42 }, { ICE_IPV4_IL, 62 }, { ICE_TCP_IL, 82 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_tcp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00, 0x00, 0x58, /* IP 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 0x00, 0x44, 0x00, 0x00, 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x28, /* IP 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* TCP 82 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; /* Outer IPv4 + Outer UDP + GTP + Inner IPv4 + Inner UDP */ ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_GTP, 42 }, { ICE_IPV4_IL, 62 }, { ICE_UDP_ILOS, 82 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4_udp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00, 0x00, 0x4c, /* IP 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 0x00, 0x38, 0x00, 0x00, 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x1c, /* IP 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* UDP 82 */ 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; /* Outer IPv6 + Outer UDP + GTP + Inner IPv4 + Inner TCP */ ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_GTP, 42 }, { ICE_IPV6_IL, 62 }, { ICE_TCP_IL, 102 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_tcp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00, 0x00, 0x6c, /* IP 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 0x00, 0x58, 0x00, 0x00, 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */ 0x00, 0x14, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* TCP 102 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv6_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_GTP, 42 }, { ICE_IPV6_IL, 62 }, { ICE_UDP_ILOS, 102 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv6_udp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00, 0x00, 0x60, /* IP 14 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 34 */ 0x00, 0x4c, 0x00, 0x00, 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 54 */ 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* IPv6 62 */ 0x00, 0x08, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* UDP 102 */ 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV6_OFOS, 14 }, { ICE_UDP_OF, 54 }, { ICE_GTP, 62 }, { ICE_IPV4_IL, 82 }, { ICE_TCP_IL, 102 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_tcp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 0x00, 0x44, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 0x00, 0x44, 0x00, 0x00, 0x34, 0xff, 0x00, 0x34, /* ICE_GTP Header 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x28, /* IP 82 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* TCP 102 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv4_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV6_OFOS, 14 }, { ICE_UDP_OF, 54 }, { ICE_GTP, 62 }, { ICE_IPV4_IL, 82 }, { ICE_UDP_ILOS, 102 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv4_udp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 0x00, 0x38, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 0x00, 0x38, 0x00, 0x00, 0x34, 0xff, 0x00, 0x28, /* ICE_GTP Header 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x1c, /* IP 82 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* UDP 102 */ 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV6_OFOS, 14 }, { ICE_UDP_OF, 54 }, { ICE_GTP, 62 }, { ICE_IPV6_IL, 82 }, { ICE_TCP_IL, 122 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_tcp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 0x00, 0x58, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 0x00, 0x58, 0x00, 0x00, 0x34, 0xff, 0x00, 0x48, /* ICE_GTP Header 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */ 0x00, 0x14, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* TCP 122 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; ICE_DECLARE_PKT_OFFSETS(ipv6_gtpu_ipv6_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV6_OFOS, 14 }, { ICE_UDP_OF, 54 }, { ICE_GTP, 62 }, { ICE_IPV6_IL, 82 }, { ICE_UDP_ILOS, 122 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv6_gtpu_ipv6_udp) = { 0x00, 0x00, 0x00, 0x00, /* Ethernet 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, /* IPv6 14 */ 0x00, 0x4c, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, /* UDP 54 */ 0x00, 0x4c, 0x00, 0x00, 0x34, 0xff, 0x00, 0x3c, /* ICE_GTP Header 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* GTP_PDUSession_ExtensionHeader 74 */ 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, /* IPv6 82 */ 0x00, 0x08, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* UDP 122 */ 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 byte alignment */ }; ICE_DECLARE_PKT_OFFSETS(ipv4_gtpu_ipv4) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV4_OFOS, 14 }, { ICE_UDP_OF, 34 }, { ICE_GTP_NO_PAY, 42 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv4_gtpu_ipv4) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00, 0x00, 0x44, /* ICE_IPV4_OFOS 14 */ 0x00, 0x00, 0x40, 0x00, 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 34 */ 0x00, 0x00, 0x00, 0x00, 0x34, 0xff, 0x00, 0x28, /* ICE_GTP 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x85, 0x02, 0x00, 0x00, 0x00, /* PDU Session extension header */ 0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x14, /* ICE_IPV4_IL 62 */ 0x00, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; ICE_DECLARE_PKT_OFFSETS(ipv6_gtp) = { { ICE_MAC_OFOS, 0 }, { ICE_IPV6_OFOS, 14 }, { ICE_UDP_OF, 54 }, { ICE_GTP_NO_PAY, 62 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(ipv6_gtp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd, 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 14 */ 0x00, 0x6c, 0x11, 0x00, /* Next header UDP*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, 0x08, 0x68, /* ICE_UDP_OF 54 */ 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x28, /* ICE_GTP 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_PPPOE, 14 }, { ICE_IPV4_OFOS, 22 }, { ICE_TCP_IL, 42 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_tcp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 0x00, 0x16, 0x00, 0x21, /* PPP Link Layer 20 */ 0x45, 0x00, 0x00, 0x28, /* ICE_IPV4_OFOS 22 */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 42 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ }; ICE_DECLARE_PKT_OFFSETS(pppoe_ipv4_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_PPPOE, 14 }, { ICE_IPV4_OFOS, 22 }, { ICE_UDP_ILOS, 42 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv4_udp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 0x00, 0x16, 0x00, 0x21, /* PPP Link Layer 20 */ 0x45, 0x00, 0x00, 0x1c, /* ICE_IPV4_OFOS 22 */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 42 */ 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ }; ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_tcp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_PPPOE, 14 }, { ICE_IPV6_OFOS, 22 }, { ICE_TCP_IL, 62 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_tcp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 0x00, 0x2a, 0x00, 0x57, /* PPP Link Layer 20 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */ 0x00, 0x14, 0x06, 0x00, /* Next header is TCP */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_TCP_IL 62 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ }; ICE_DECLARE_PKT_OFFSETS(pppoe_ipv6_udp) = { { ICE_MAC_OFOS, 0 }, { ICE_ETYPE_OL, 12 }, { ICE_PPPOE, 14 }, { ICE_IPV6_OFOS, 22 }, { ICE_UDP_ILOS, 62 }, { ICE_PROTOCOL_LAST, 0 }, }; ICE_DECLARE_PKT_TEMPLATE(pppoe_ipv6_udp) = { 0x00, 0x00, 0x00, 0x00, /* ICE_MAC_OFOS 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x64, /* ICE_ETYPE_OL 12 */ 0x11, 0x00, 0x00, 0x00, /* ICE_PPPOE 14 */ 0x00, 0x2a, 0x00, 0x57, /* PPP Link Layer 20 */ 0x60, 0x00, 0x00, 0x00, /* ICE_IPV6_OFOS 22 */ 0x00, 0x08, 0x11, 0x00, /* Next header UDP*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ICE_UDP_ILOS 62 */ 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /* 2 bytes for 4 bytes alignment */ }; static const struct ice_dummy_pkt_profile ice_dummy_pkt_profiles[] = { ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 | ICE_PKT_GTP_NOPAY), ICE_PKT_PROFILE(ipv6_gtpu_ipv6_udp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_IPV6 | ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(ipv6_gtpu_ipv6_tcp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_IPV6), ICE_PKT_PROFILE(ipv6_gtpu_ipv4_udp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(ipv6_gtpu_ipv4_tcp, ICE_PKT_TUN_GTPU | ICE_PKT_OUTER_IPV6), ICE_PKT_PROFILE(ipv4_gtpu_ipv4, ICE_PKT_TUN_GTPU | ICE_PKT_GTP_NOPAY), ICE_PKT_PROFILE(ipv4_gtpu_ipv6_udp, ICE_PKT_TUN_GTPU | ICE_PKT_INNER_IPV6 | ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(ipv4_gtpu_ipv6_tcp, ICE_PKT_TUN_GTPU | ICE_PKT_INNER_IPV6), ICE_PKT_PROFILE(ipv4_gtpu_ipv4_udp, ICE_PKT_TUN_GTPU | ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(ipv4_gtpu_ipv4_tcp, ICE_PKT_TUN_GTPU), ICE_PKT_PROFILE(ipv6_gtp, ICE_PKT_TUN_GTPC | ICE_PKT_OUTER_IPV6), ICE_PKT_PROFILE(ipv4_gtpu_ipv4, ICE_PKT_TUN_GTPC), ICE_PKT_PROFILE(pppoe_ipv6_udp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(pppoe_ipv6_tcp, ICE_PKT_PPPOE | ICE_PKT_OUTER_IPV6), ICE_PKT_PROFILE(pppoe_ipv4_udp, ICE_PKT_PPPOE | ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(pppoe_ipv4_tcp, ICE_PKT_PPPOE), ICE_PKT_PROFILE(gre_ipv6_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6 | ICE_PKT_INNER_TCP), ICE_PKT_PROFILE(gre_tcp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_TCP), ICE_PKT_PROFILE(gre_ipv6_udp, ICE_PKT_TUN_NVGRE | ICE_PKT_INNER_IPV6), ICE_PKT_PROFILE(gre_udp, ICE_PKT_TUN_NVGRE), ICE_PKT_PROFILE(udp_tun_ipv6_tcp, ICE_PKT_TUN_UDP | ICE_PKT_INNER_IPV6 | ICE_PKT_INNER_TCP), ICE_PKT_PROFILE(udp_tun_tcp, ICE_PKT_TUN_UDP | ICE_PKT_INNER_TCP), ICE_PKT_PROFILE(udp_tun_ipv6_udp, ICE_PKT_TUN_UDP | ICE_PKT_INNER_IPV6), ICE_PKT_PROFILE(udp_tun_udp, ICE_PKT_TUN_UDP), ICE_PKT_PROFILE(udp_ipv6, ICE_PKT_OUTER_IPV6 | ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(udp, ICE_PKT_INNER_UDP), ICE_PKT_PROFILE(tcp_ipv6, ICE_PKT_OUTER_IPV6), ICE_PKT_PROFILE(tcp, 0), }; #define ICE_SW_RULE_RX_TX_HDR_SIZE(s, l) struct_size((s), hdr_data, (l)) #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s) \ ICE_SW_RULE_RX_TX_HDR_SIZE((s), DUMMY_ETH_HDR_LEN) #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s) \ ICE_SW_RULE_RX_TX_HDR_SIZE((s), 0) #define ICE_SW_RULE_LG_ACT_SIZE(s, n) struct_size((s), act, (n)) #define ICE_SW_RULE_VSI_LIST_SIZE(s, n) struct_size((s), vsi, (n)) /* this is a recipe to profile association bitmap */ static DECLARE_BITMAP(recipe_to_profile[ICE_MAX_NUM_RECIPES], ICE_MAX_NUM_PROFILES); /* this is a profile to recipe association bitmap */ static DECLARE_BITMAP(profile_to_recipe[ICE_MAX_NUM_PROFILES], ICE_MAX_NUM_RECIPES); /** * ice_init_def_sw_recp - initialize the recipe book keeping tables * @hw: pointer to the HW struct * * Allocate memory for the entire recipe table and initialize the structures/ * entries corresponding to basic recipes. */ int ice_init_def_sw_recp(struct ice_hw *hw) { struct ice_sw_recipe *recps; u8 i; recps = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_NUM_RECIPES, sizeof(*recps), GFP_KERNEL); if (!recps) return -ENOMEM; for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { recps[i].root_rid = i; INIT_LIST_HEAD(&recps[i].filt_rules); INIT_LIST_HEAD(&recps[i].filt_replay_rules); INIT_LIST_HEAD(&recps[i].rg_list); mutex_init(&recps[i].filt_rule_lock); } hw->switch_info->recp_list = recps; return 0; } /** * ice_aq_get_sw_cfg - get switch configuration * @hw: pointer to the hardware structure * @buf: pointer to the result buffer * @buf_size: length of the buffer available for response * @req_desc: pointer to requested descriptor * @num_elems: pointer to number of elements * @cd: pointer to command details structure or NULL * * Get switch configuration (0x0200) to be placed in buf. * This admin command returns information such as initial VSI/port number * and switch ID it belongs to. * * NOTE: *req_desc is both an input/output parameter. * The caller of this function first calls this function with *request_desc set * to 0. If the response from f/w has *req_desc set to 0, all the switch * configuration information has been returned; if non-zero (meaning not all * the information was returned), the caller should call this function again * with *req_desc set to the previous value returned by f/w to get the * next block of switch configuration information. * * *num_elems is output only parameter. This reflects the number of elements * in response buffer. The caller of this function to use *num_elems while * parsing the response buffer. */ static int ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp_elem *buf, u16 buf_size, u16 *req_desc, u16 *num_elems, struct ice_sq_cd *cd) { struct ice_aqc_get_sw_cfg *cmd; struct ice_aq_desc desc; int status; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg); cmd = &desc.params.get_sw_conf; cmd->element = cpu_to_le16(*req_desc); status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); if (!status) { *req_desc = le16_to_cpu(cmd->element); *num_elems = le16_to_cpu(cmd->num_elems); } return status; } /** * ice_aq_add_vsi * @hw: pointer to the HW struct * @vsi_ctx: pointer to a VSI context struct * @cd: pointer to command details structure or NULL * * Add a VSI context to the hardware (0x0210) */ static int ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, struct ice_sq_cd *cd) { struct ice_aqc_add_update_free_vsi_resp *res; struct ice_aqc_add_get_update_free_vsi *cmd; struct ice_aq_desc desc; int status; cmd = &desc.params.vsi_cmd; res = &desc.params.add_update_free_vsi_res; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi); if (!vsi_ctx->alloc_from_pool) cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); cmd->vf_id = vsi_ctx->vf_num; cmd->vsi_flags = cpu_to_le16(vsi_ctx->flags); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, sizeof(vsi_ctx->info), cd); if (!status) { vsi_ctx->vsi_num = le16_to_cpu(res->vsi_num) & ICE_AQ_VSI_NUM_M; vsi_ctx->vsis_allocd = le16_to_cpu(res->vsi_used); vsi_ctx->vsis_unallocated = le16_to_cpu(res->vsi_free); } return status; } /** * ice_aq_free_vsi * @hw: pointer to the HW struct * @vsi_ctx: pointer to a VSI context struct * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources * @cd: pointer to command details structure or NULL * * Free VSI context info from hardware (0x0213) */ static int ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, bool keep_vsi_alloc, struct ice_sq_cd *cd) { struct ice_aqc_add_update_free_vsi_resp *resp; struct ice_aqc_add_get_update_free_vsi *cmd; struct ice_aq_desc desc; int status; cmd = &desc.params.vsi_cmd; resp = &desc.params.add_update_free_vsi_res; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi); cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); if (keep_vsi_alloc) cmd->cmd_flags = cpu_to_le16(ICE_AQ_VSI_KEEP_ALLOC); status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); if (!status) { vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used); vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free); } return status; } /** * ice_aq_update_vsi * @hw: pointer to the HW struct * @vsi_ctx: pointer to a VSI context struct * @cd: pointer to command details structure or NULL * * Update VSI context in the hardware (0x0211) */ static int ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, struct ice_sq_cd *cd) { struct ice_aqc_add_update_free_vsi_resp *resp; struct ice_aqc_add_get_update_free_vsi *cmd; struct ice_aq_desc desc; int status; cmd = &desc.params.vsi_cmd; resp = &desc.params.add_update_free_vsi_res; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi); cmd->vsi_num = cpu_to_le16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, sizeof(vsi_ctx->info), cd); if (!status) { vsi_ctx->vsis_allocd = le16_to_cpu(resp->vsi_used); vsi_ctx->vsis_unallocated = le16_to_cpu(resp->vsi_free); } return status; } /** * ice_is_vsi_valid - check whether the VSI is valid or not * @hw: pointer to the HW struct * @vsi_handle: VSI handle * * check whether the VSI is valid or not */ bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle) { return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle]; } /** * ice_get_hw_vsi_num - return the HW VSI number * @hw: pointer to the HW struct * @vsi_handle: VSI handle * * return the HW VSI number * Caution: call this function only if VSI is valid (ice_is_vsi_valid) */ u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle) { return hw->vsi_ctx[vsi_handle]->vsi_num; } /** * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle * @hw: pointer to the HW struct * @vsi_handle: VSI handle * * return the VSI context entry for a given VSI handle */ struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) { return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle]; } /** * ice_save_vsi_ctx - save the VSI context for a given VSI handle * @hw: pointer to the HW struct * @vsi_handle: VSI handle * @vsi: VSI context pointer * * save the VSI context entry for a given VSI handle */ static void ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi) { hw->vsi_ctx[vsi_handle] = vsi; } /** * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs * @hw: pointer to the HW struct * @vsi_handle: VSI handle */ static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle) { struct ice_vsi_ctx *vsi; u8 i; vsi = ice_get_vsi_ctx(hw, vsi_handle); if (!vsi) return; ice_for_each_traffic_class(i) { if (vsi->lan_q_ctx[i]) { devm_kfree(ice_hw_to_dev(hw), vsi->lan_q_ctx[i]); vsi->lan_q_ctx[i] = NULL; } if (vsi->rdma_q_ctx[i]) { devm_kfree(ice_hw_to_dev(hw), vsi->rdma_q_ctx[i]); vsi->rdma_q_ctx[i] = NULL; } } } /** * ice_clear_vsi_ctx - clear the VSI context entry * @hw: pointer to the HW struct * @vsi_handle: VSI handle * * clear the VSI context entry */ static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) { struct ice_vsi_ctx *vsi; vsi = ice_get_vsi_ctx(hw, vsi_handle); if (vsi) { ice_clear_vsi_q_ctx(hw, vsi_handle); devm_kfree(ice_hw_to_dev(hw), vsi); hw->vsi_ctx[vsi_handle] = NULL; } } /** * ice_clear_all_vsi_ctx - clear all the VSI context entries * @hw: pointer to the HW struct */ void ice_clear_all_vsi_ctx(struct ice_hw *hw) { u16 i; for (i = 0; i < ICE_MAX_VSI; i++) ice_clear_vsi_ctx(hw, i); } /** * ice_add_vsi - add VSI context to the hardware and VSI handle list * @hw: pointer to the HW struct * @vsi_handle: unique VSI handle provided by drivers * @vsi_ctx: pointer to a VSI context struct * @cd: pointer to command details structure or NULL * * Add a VSI context to the hardware also add it into the VSI handle list. * If this function gets called after reset for existing VSIs then update * with the new HW VSI number in the corresponding VSI handle list entry. */ int ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, struct ice_sq_cd *cd) { struct ice_vsi_ctx *tmp_vsi_ctx; int status; if (vsi_handle >= ICE_MAX_VSI) return -EINVAL; status = ice_aq_add_vsi(hw, vsi_ctx, cd); if (status) return status; tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle); if (!tmp_vsi_ctx) { /* Create a new VSI context */ tmp_vsi_ctx = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*tmp_vsi_ctx), GFP_KERNEL); if (!tmp_vsi_ctx) { ice_aq_free_vsi(hw, vsi_ctx, false, cd); return -ENOMEM; } *tmp_vsi_ctx = *vsi_ctx; ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx); } else { /* update with new HW VSI num */ tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num; } return 0; } /** * ice_free_vsi- free VSI context from hardware and VSI handle list * @hw: pointer to the HW struct * @vsi_handle: unique VSI handle * @vsi_ctx: pointer to a VSI context struct * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources * @cd: pointer to command details structure or NULL * * Free VSI context info from hardware as well as from VSI handle list */ int ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, bool keep_vsi_alloc, struct ice_sq_cd *cd) { int status; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd); if (!status) ice_clear_vsi_ctx(hw, vsi_handle); return status; } /** * ice_update_vsi * @hw: pointer to the HW struct * @vsi_handle: unique VSI handle * @vsi_ctx: pointer to a VSI context struct * @cd: pointer to command details structure or NULL * * Update VSI context in the hardware */ int ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, struct ice_sq_cd *cd) { if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); return ice_aq_update_vsi(hw, vsi_ctx, cd); } /** * ice_cfg_rdma_fltr - enable/disable RDMA filtering on VSI * @hw: pointer to HW struct * @vsi_handle: VSI SW index * @enable: boolean for enable/disable */ int ice_cfg_rdma_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable) { struct ice_vsi_ctx *ctx; ctx = ice_get_vsi_ctx(hw, vsi_handle); if (!ctx) return -EIO; if (enable) ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; else ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; return ice_update_vsi(hw, vsi_handle, ctx, NULL); } /** * ice_aq_alloc_free_vsi_list * @hw: pointer to the HW struct * @vsi_list_id: VSI list ID returned or used for lookup * @lkup_type: switch rule filter lookup type * @opc: switch rules population command type - pass in the command opcode * * allocates or free a VSI list resource */ static int ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type, enum ice_adminq_opc opc) { struct ice_aqc_alloc_free_res_elem *sw_buf; struct ice_aqc_res_elem *vsi_ele; u16 buf_len; int status; buf_len = struct_size(sw_buf, elem, 1); sw_buf = devm_kzalloc(ice_hw_to_dev(hw), buf_len, GFP_KERNEL); if (!sw_buf) return -ENOMEM; sw_buf->num_elems = cpu_to_le16(1); if (lkup_type == ICE_SW_LKUP_MAC || lkup_type == ICE_SW_LKUP_MAC_VLAN || lkup_type == ICE_SW_LKUP_ETHERTYPE || lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || lkup_type == ICE_SW_LKUP_PROMISC || lkup_type == ICE_SW_LKUP_PROMISC_VLAN || lkup_type == ICE_SW_LKUP_DFLT) { sw_buf->res_type = cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_REP); } else if (lkup_type == ICE_SW_LKUP_VLAN) { sw_buf->res_type = cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE); } else { status = -EINVAL; goto ice_aq_alloc_free_vsi_list_exit; } if (opc == ice_aqc_opc_free_res) sw_buf->elem[0].e.sw_resp = cpu_to_le16(*vsi_list_id); status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL); if (status) goto ice_aq_alloc_free_vsi_list_exit; if (opc == ice_aqc_opc_alloc_res) { vsi_ele = &sw_buf->elem[0]; *vsi_list_id = le16_to_cpu(vsi_ele->e.sw_resp); } ice_aq_alloc_free_vsi_list_exit: devm_kfree(ice_hw_to_dev(hw), sw_buf); return status; } /** * ice_aq_sw_rules - add/update/remove switch rules * @hw: pointer to the HW struct * @rule_list: pointer to switch rule population list * @rule_list_sz: total size of the rule list in bytes * @num_rules: number of switch rules in the rule_list * @opc: switch rules population command type - pass in the command opcode * @cd: pointer to command details structure or NULL * * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware */ int ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd) { struct ice_aq_desc desc; int status; if (opc != ice_aqc_opc_add_sw_rules && opc != ice_aqc_opc_update_sw_rules && opc != ice_aqc_opc_remove_sw_rules) return -EINVAL; ice_fill_dflt_direct_cmd_desc(&desc, opc); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); desc.params.sw_rules.num_rules_fltr_entry_index = cpu_to_le16(num_rules); status = ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd); if (opc != ice_aqc_opc_add_sw_rules && hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT) status = -ENOENT; return status; } /** * ice_aq_add_recipe - add switch recipe * @hw: pointer to the HW struct * @s_recipe_list: pointer to switch rule population list * @num_recipes: number of switch recipes in the list * @cd: pointer to command details structure or NULL * * Add(0x0290) */ static int ice_aq_add_recipe(struct ice_hw *hw, struct ice_aqc_recipe_data_elem *s_recipe_list, u16 num_recipes, struct ice_sq_cd *cd) { struct ice_aqc_add_get_recipe *cmd; struct ice_aq_desc desc; u16 buf_size; cmd = &desc.params.add_get_recipe; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_recipe); cmd->num_sub_recipes = cpu_to_le16(num_recipes); desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); buf_size = num_recipes * sizeof(*s_recipe_list); return ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd); } /** * ice_aq_get_recipe - get switch recipe * @hw: pointer to the HW struct * @s_recipe_list: pointer to switch rule population list * @num_recipes: pointer to the number of recipes (input and output) * @recipe_root: root recipe number of recipe(s) to retrieve * @cd: pointer to command details structure or NULL * * Get(0x0292) * * On input, *num_recipes should equal the number of entries in s_recipe_list. * On output, *num_recipes will equal the number of entries returned in * s_recipe_list. * * The caller must supply enough space in s_recipe_list to hold all possible * recipes and *num_recipes must equal ICE_MAX_NUM_RECIPES. */ static int ice_aq_get_recipe(struct ice_hw *hw, struct ice_aqc_recipe_data_elem *s_recipe_list, u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd) { struct ice_aqc_add_get_recipe *cmd; struct ice_aq_desc desc; u16 buf_size; int status; if (*num_recipes != ICE_MAX_NUM_RECIPES) return -EINVAL; cmd = &desc.params.add_get_recipe; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe); cmd->return_index = cpu_to_le16(recipe_root); cmd->num_sub_recipes = 0; buf_size = *num_recipes * sizeof(*s_recipe_list); status = ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd); *num_recipes = le16_to_cpu(cmd->num_sub_recipes); return status; } /** * ice_update_recipe_lkup_idx - update a default recipe based on the lkup_idx * @hw: pointer to the HW struct * @params: parameters used to update the default recipe * * This function only supports updating default recipes and it only supports * updating a single recipe based on the lkup_idx at a time. * * This is done as a read-modify-write operation. First, get the current recipe * contents based on the recipe's ID. Then modify the field vector index and * mask if it's valid at the lkup_idx. Finally, use the add recipe AQ to update * the pre-existing recipe with the modifications. */ int ice_update_recipe_lkup_idx(struct ice_hw *hw, struct ice_update_recipe_lkup_idx_params *params) { struct ice_aqc_recipe_data_elem *rcp_list; u16 num_recps = ICE_MAX_NUM_RECIPES; int status; rcp_list = kcalloc(num_recps, sizeof(*rcp_list), GFP_KERNEL); if (!rcp_list) return -ENOMEM; /* read current recipe list from firmware */ rcp_list->recipe_indx = params->rid; status = ice_aq_get_recipe(hw, rcp_list, &num_recps, params->rid, NULL); if (status) { ice_debug(hw, ICE_DBG_SW, "Failed to get recipe %d, status %d\n", params->rid, status); goto error_out; } /* only modify existing recipe's lkup_idx and mask if valid, while * leaving all other fields the same, then update the recipe firmware */ rcp_list->content.lkup_indx[params->lkup_idx] = params->fv_idx; if (params->mask_valid) rcp_list->content.mask[params->lkup_idx] = cpu_to_le16(params->mask); if (params->ignore_valid) rcp_list->content.lkup_indx[params->lkup_idx] |= ICE_AQ_RECIPE_LKUP_IGNORE; status = ice_aq_add_recipe(hw, &rcp_list[0], 1, NULL); if (status) ice_debug(hw, ICE_DBG_SW, "Failed to update recipe %d lkup_idx %d fv_idx %d mask %d mask_valid %s, status %d\n", params->rid, params->lkup_idx, params->fv_idx, params->mask, params->mask_valid ? "true" : "false", status); error_out: kfree(rcp_list); return status; } /** * ice_aq_map_recipe_to_profile - Map recipe to packet profile * @hw: pointer to the HW struct * @profile_id: package profile ID to associate the recipe with * @r_bitmap: Recipe bitmap filled in and need to be returned as response * @cd: pointer to command details structure or NULL * Recipe to profile association (0x0291) */ static int ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap, struct ice_sq_cd *cd) { struct ice_aqc_recipe_to_profile *cmd; struct ice_aq_desc desc; cmd = &desc.params.recipe_to_profile; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_recipe_to_profile); cmd->profile_id = cpu_to_le16(profile_id); /* Set the recipe ID bit in the bitmask to let the device know which * profile we are associating the recipe to */ memcpy(cmd->recipe_assoc, r_bitmap, sizeof(cmd->recipe_assoc)); return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); } /** * ice_aq_get_recipe_to_profile - Map recipe to packet profile * @hw: pointer to the HW struct * @profile_id: package profile ID to associate the recipe with * @r_bitmap: Recipe bitmap filled in and need to be returned as response * @cd: pointer to command details structure or NULL * Associate profile ID with given recipe (0x0293) */ static int ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap, struct ice_sq_cd *cd) { struct ice_aqc_recipe_to_profile *cmd; struct ice_aq_desc desc; int status; cmd = &desc.params.recipe_to_profile; ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe_to_profile); cmd->profile_id = cpu_to_le16(profile_id); status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); if (!status) memcpy(r_bitmap, cmd->recipe_assoc, sizeof(cmd->recipe_assoc)); return status; } /** * ice_alloc_recipe - add recipe resource * @hw: pointer to the hardware structure * @rid: recipe ID returned as response to AQ call */ static int ice_alloc_recipe(struct ice_hw *hw, u16 *rid) { struct ice_aqc_alloc_free_res_elem *sw_buf; u16 buf_len; int status; buf_len = struct_size(sw_buf, elem, 1); sw_buf = kzalloc(buf_len, GFP_KERNEL); if (!sw_buf) return -ENOMEM; sw_buf->num_elems = cpu_to_le16(1); sw_buf->res_type = cpu_to_le16((ICE_AQC_RES_TYPE_RECIPE << ICE_AQC_RES_TYPE_S) | ICE_AQC_RES_TYPE_FLAG_SHARED); status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, ice_aqc_opc_alloc_res, NULL); if (!status) *rid = le16_to_cpu(sw_buf->elem[0].e.sw_resp); kfree(sw_buf); return status; } /** * ice_get_recp_to_prof_map - updates recipe to profile mapping * @hw: pointer to hardware structure * * This function is used to populate recipe_to_profile matrix where index to * this array is the recipe ID and the element is the mapping of which profiles * is this recipe mapped to. */ static void ice_get_recp_to_prof_map(struct ice_hw *hw) { DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); u16 i; for (i = 0; i < hw->switch_info->max_used_prof_index + 1; i++) { u16 j; bitmap_zero(profile_to_recipe[i], ICE_MAX_NUM_RECIPES); bitmap_zero(r_bitmap, ICE_MAX_NUM_RECIPES); if (ice_aq_get_recipe_to_profile(hw, i, (u8 *)r_bitmap, NULL)) continue; bitmap_copy(profile_to_recipe[i], r_bitmap, ICE_MAX_NUM_RECIPES); for_each_set_bit(j, r_bitmap, ICE_MAX_NUM_RECIPES) set_bit(i, recipe_to_profile[j]); } } /** * ice_collect_result_idx - copy result index values * @buf: buffer that contains the result index * @recp: the recipe struct to copy data into */ static void ice_collect_result_idx(struct ice_aqc_recipe_data_elem *buf, struct ice_sw_recipe *recp) { if (buf->content.result_indx & ICE_AQ_RECIPE_RESULT_EN) set_bit(buf->content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN, recp->res_idxs); } /** * ice_get_recp_frm_fw - update SW bookkeeping from FW recipe entries * @hw: pointer to hardware structure * @recps: struct that we need to populate * @rid: recipe ID that we are populating * @refresh_required: true if we should get recipe to profile mapping from FW * * This function is used to populate all the necessary entries into our * bookkeeping so that we have a current list of all the recipes that are * programmed in the firmware. */ static int ice_get_recp_frm_fw(struct ice_hw *hw, struct ice_sw_recipe *recps, u8 rid, bool *refresh_required) { DECLARE_BITMAP(result_bm, ICE_MAX_FV_WORDS); struct ice_aqc_recipe_data_elem *tmp; u16 num_recps = ICE_MAX_NUM_RECIPES; struct ice_prot_lkup_ext *lkup_exts; u8 fv_word_idx = 0; u16 sub_recps; int status; bitmap_zero(result_bm, ICE_MAX_FV_WORDS); /* we need a buffer big enough to accommodate all the recipes */ tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL); if (!tmp) return -ENOMEM; tmp[0].recipe_indx = rid; status = ice_aq_get_recipe(hw, tmp, &num_recps, rid, NULL); /* non-zero status meaning recipe doesn't exist */ if (status) goto err_unroll; /* Get recipe to profile map so that we can get the fv from lkups that * we read for a recipe from FW. Since we want to minimize the number of * times we make this FW call, just make one call and cache the copy * until a new recipe is added. This operation is only required the * first time to get the changes from FW. Then to search existing * entries we don't need to update the cache again until another recipe * gets added. */ if (*refresh_required) { ice_get_recp_to_prof_map(hw); *refresh_required = false; } /* Start populating all the entries for recps[rid] based on lkups from * firmware. Note that we are only creating the root recipe in our * database. */ lkup_exts = &recps[rid].lkup_exts; for (sub_recps = 0; sub_recps < num_recps; sub_recps++) { struct ice_aqc_recipe_data_elem root_bufs = tmp[sub_recps]; struct ice_recp_grp_entry *rg_entry; u8 i, prof, idx, prot = 0; bool is_root; u16 off = 0; rg_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*rg_entry), GFP_KERNEL); if (!rg_entry) { status = -ENOMEM; goto err_unroll; } idx = root_bufs.recipe_indx; is_root = root_bufs.content.rid & ICE_AQ_RECIPE_ID_IS_ROOT; /* Mark all result indices in this chain */ if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN) set_bit(root_bufs.content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN, result_bm); /* get the first profile that is associated with rid */ prof = find_first_bit(recipe_to_profile[idx], ICE_MAX_NUM_PROFILES); for (i = 0; i < ICE_NUM_WORDS_RECIPE; i++) { u8 lkup_indx = root_bufs.content.lkup_indx[i + 1]; rg_entry->fv_idx[i] = lkup_indx; rg_entry->fv_mask[i] = le16_to_cpu(root_bufs.content.mask[i + 1]); /* If the recipe is a chained recipe then all its * child recipe's result will have a result index. * To fill fv_words we should not use those result * index, we only need the protocol ids and offsets. * We will skip all the fv_idx which stores result * index in them. We also need to skip any fv_idx which * has ICE_AQ_RECIPE_LKUP_IGNORE or 0 since it isn't a * valid offset value. */ if (test_bit(rg_entry->fv_idx[i], hw->switch_info->prof_res_bm[prof]) || rg_entry->fv_idx[i] & ICE_AQ_RECIPE_LKUP_IGNORE || rg_entry->fv_idx[i] == 0) continue; ice_find_prot_off(hw, ICE_BLK_SW, prof, rg_entry->fv_idx[i], &prot, &off); lkup_exts->fv_words[fv_word_idx].prot_id = prot; lkup_exts->fv_words[fv_word_idx].off = off; lkup_exts->field_mask[fv_word_idx] = rg_entry->fv_mask[i]; fv_word_idx++; } /* populate rg_list with the data from the child entry of this * recipe */ list_add(&rg_entry->l_entry, &recps[rid].rg_list); /* Propagate some data to the recipe database */ recps[idx].is_root = !!is_root; recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority; bitmap_zero(recps[idx].res_idxs, ICE_MAX_FV_WORDS); if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN) { recps[idx].chain_idx = root_bufs.content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN; set_bit(recps[idx].chain_idx, recps[idx].res_idxs); } else { recps[idx].chain_idx = ICE_INVAL_CHAIN_IND; } if (!is_root) continue; /* Only do the following for root recipes entries */ memcpy(recps[idx].r_bitmap, root_bufs.recipe_bitmap, sizeof(recps[idx].r_bitmap)); recps[idx].root_rid = root_bufs.content.rid & ~ICE_AQ_RECIPE_ID_IS_ROOT; recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority; } /* Complete initialization of the root recipe entry */ lkup_exts->n_val_words = fv_word_idx; recps[rid].big_recp = (num_recps > 1); recps[rid].n_grp_count = (u8)num_recps; recps[rid].root_buf = devm_kmemdup(ice_hw_to_dev(hw), tmp, recps[rid].n_grp_count * sizeof(*recps[rid].root_buf), GFP_KERNEL); if (!recps[rid].root_buf) { status = -ENOMEM; goto err_unroll; } /* Copy result indexes */ bitmap_copy(recps[rid].res_idxs, result_bm, ICE_MAX_FV_WORDS); recps[rid].recp_created = true; err_unroll: kfree(tmp); return status; } /* ice_init_port_info - Initialize port_info with switch configuration data * @pi: pointer to port_info * @vsi_port_num: VSI number or port number * @type: Type of switch element (port or VSI) * @swid: switch ID of the switch the element is attached to * @pf_vf_num: PF or VF number * @is_vf: true if the element is a VF, false otherwise */ static void ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type, u16 swid, u16 pf_vf_num, bool is_vf) { switch (type) { case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK); pi->sw_id = swid; pi->pf_vf_num = pf_vf_num; pi->is_vf = is_vf; break; default: ice_debug(pi->hw, ICE_DBG_SW, "incorrect VSI/port type received\n"); break; } } /* ice_get_initial_sw_cfg - Get initial port and default VSI data * @hw: pointer to the hardware structure */ int ice_get_initial_sw_cfg(struct ice_hw *hw) { struct ice_aqc_get_sw_cfg_resp_elem *rbuf; u16 req_desc = 0; u16 num_elems; int status; u16 i; rbuf = devm_kzalloc(ice_hw_to_dev(hw), ICE_SW_CFG_MAX_BUF_LEN, GFP_KERNEL); if (!rbuf) return -ENOMEM; /* Multiple calls to ice_aq_get_sw_cfg may be required * to get all the switch configuration information. The need * for additional calls is indicated by ice_aq_get_sw_cfg * writing a non-zero value in req_desc */ do { struct ice_aqc_get_sw_cfg_resp_elem *ele; status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN, &req_desc, &num_elems, NULL); if (status) break; for (i = 0, ele = rbuf; i < num_elems; i++, ele++) { u16 pf_vf_num, swid, vsi_port_num; bool is_vf = false; u8 res_type; vsi_port_num = le16_to_cpu(ele->vsi_port_num) & ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M; pf_vf_num = le16_to_cpu(ele->pf_vf_num) & ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M; swid = le16_to_cpu(ele->swid); if (le16_to_cpu(ele->pf_vf_num) & ICE_AQC_GET_SW_CONF_RESP_IS_VF) is_vf = true; res_type = (u8)(le16_to_cpu(ele->vsi_port_num) >> ICE_AQC_GET_SW_CONF_RESP_TYPE_S); if (res_type == ICE_AQC_GET_SW_CONF_RESP_VSI) { /* FW VSI is not needed. Just continue. */ continue; } ice_init_port_info(hw->port_info, vsi_port_num, res_type, swid, pf_vf_num, is_vf); } } while (req_desc && !status); devm_kfree(ice_hw_to_dev(hw), rbuf); return status; } /** * ice_fill_sw_info - Helper function to populate lb_en and lan_en * @hw: pointer to the hardware structure * @fi: filter info structure to fill/update * * This helper function populates the lb_en and lan_en elements of the provided * ice_fltr_info struct using the switch's type and characteristics of the * switch rule being configured. */ static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi) { fi->lb_en = false; fi->lan_en = false; if ((fi->flag & ICE_FLTR_TX) && (fi->fltr_act == ICE_FWD_TO_VSI || fi->fltr_act == ICE_FWD_TO_VSI_LIST || fi->fltr_act == ICE_FWD_TO_Q || fi->fltr_act == ICE_FWD_TO_QGRP)) { /* Setting LB for prune actions will result in replicated * packets to the internal switch that will be dropped. */ if (fi->lkup_type != ICE_SW_LKUP_VLAN) fi->lb_en = true; /* Set lan_en to TRUE if * 1. The switch is a VEB AND * 2 * 2.1 The lookup is a directional lookup like ethertype, * promiscuous, ethertype-MAC, promiscuous-VLAN * and default-port OR * 2.2 The lookup is VLAN, OR * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC. * * OR * * The switch is a VEPA. * * In all other cases, the LAN enable has to be set to false. */ if (hw->evb_veb) { if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE || fi->lkup_type == ICE_SW_LKUP_PROMISC || fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN || fi->lkup_type == ICE_SW_LKUP_DFLT || fi->lkup_type == ICE_SW_LKUP_VLAN || (fi->lkup_type == ICE_SW_LKUP_MAC && !is_unicast_ether_addr(fi->l_data.mac.mac_addr)) || (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN && !is_unicast_ether_addr(fi->l_data.mac.mac_addr))) fi->lan_en = true; } else { fi->lan_en = true; } } } /** * ice_fill_sw_rule - Helper function to fill switch rule structure * @hw: pointer to the hardware structure * @f_info: entry containing packet forwarding information * @s_rule: switch rule structure to be filled in based on mac_entry * @opc: switch rules population command type - pass in the command opcode */ static void ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info, struct ice_sw_rule_lkup_rx_tx *s_rule, enum ice_adminq_opc opc) { u16 vlan_id = ICE_MAX_VLAN_ID + 1; u16 vlan_tpid = ETH_P_8021Q; void *daddr = NULL; u16 eth_hdr_sz; u8 *eth_hdr; u32 act = 0; __be16 *off; u8 q_rgn; if (opc == ice_aqc_opc_remove_sw_rules) { s_rule->act = 0; s_rule->index = cpu_to_le16(f_info->fltr_rule_id); s_rule->hdr_len = 0; return; } eth_hdr_sz = sizeof(dummy_eth_header); eth_hdr = s_rule->hdr_data; /* initialize the ether header with a dummy header */ memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz); ice_fill_sw_info(hw, f_info); switch (f_info->fltr_act) { case ICE_FWD_TO_VSI: act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) & ICE_SINGLE_ACT_VSI_ID_M; if (f_info->lkup_type != ICE_SW_LKUP_VLAN) act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT; break; case ICE_FWD_TO_VSI_LIST: act |= ICE_SINGLE_ACT_VSI_LIST; act |= (f_info->fwd_id.vsi_list_id << ICE_SINGLE_ACT_VSI_LIST_ID_S) & ICE_SINGLE_ACT_VSI_LIST_ID_M; if (f_info->lkup_type != ICE_SW_LKUP_VLAN) act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT; break; case ICE_FWD_TO_Q: act |= ICE_SINGLE_ACT_TO_Q; act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & ICE_SINGLE_ACT_Q_INDEX_M; break; case ICE_DROP_PACKET: act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP | ICE_SINGLE_ACT_VALID_BIT; break; case ICE_FWD_TO_QGRP: q_rgn = f_info->qgrp_size > 0 ? (u8)ilog2(f_info->qgrp_size) : 0; act |= ICE_SINGLE_ACT_TO_Q; act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & ICE_SINGLE_ACT_Q_INDEX_M; act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) & ICE_SINGLE_ACT_Q_REGION_M; break; default: return; } if (f_info->lb_en) act |= ICE_SINGLE_ACT_LB_ENABLE; if (f_info->lan_en) act |= ICE_SINGLE_ACT_LAN_ENABLE; switch (f_info->lkup_type) { case ICE_SW_LKUP_MAC: daddr = f_info->l_data.mac.mac_addr; break; case ICE_SW_LKUP_VLAN: vlan_id = f_info->l_data.vlan.vlan_id; if (f_info->l_data.vlan.tpid_valid) vlan_tpid = f_info->l_data.vlan.tpid; if (f_info->fltr_act == ICE_FWD_TO_VSI || f_info->fltr_act == ICE_FWD_TO_VSI_LIST) { act |= ICE_SINGLE_ACT_PRUNE; act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS; } break; case ICE_SW_LKUP_ETHERTYPE_MAC: daddr = f_info->l_data.ethertype_mac.mac_addr; fallthrough; case ICE_SW_LKUP_ETHERTYPE: off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET); *off = cpu_to_be16(f_info->l_data.ethertype_mac.ethertype); break; case ICE_SW_LKUP_MAC_VLAN: daddr = f_info->l_data.mac_vlan.mac_addr; vlan_id = f_info->l_data.mac_vlan.vlan_id; break; case ICE_SW_LKUP_PROMISC_VLAN: vlan_id = f_info->l_data.mac_vlan.vlan_id; fallthrough; case ICE_SW_LKUP_PROMISC: daddr = f_info->l_data.mac_vlan.mac_addr; break; default: break; } s_rule->hdr.type = (f_info->flag & ICE_FLTR_RX) ? cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX) : cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX); /* Recipe set depending on lookup type */ s_rule->recipe_id = cpu_to_le16(f_info->lkup_type); s_rule->src = cpu_to_le16(f_info->src); s_rule->act = cpu_to_le32(act); if (daddr) ether_addr_copy(eth_hdr + ICE_ETH_DA_OFFSET, daddr); if (!(vlan_id > ICE_MAX_VLAN_ID)) { off = (__force __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET); *off = cpu_to_be16(vlan_id); off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET); *off = cpu_to_be16(vlan_tpid); } /* Create the switch rule with the final dummy Ethernet header */ if (opc != ice_aqc_opc_update_sw_rules) s_rule->hdr_len = cpu_to_le16(eth_hdr_sz); } /** * ice_add_marker_act * @hw: pointer to the hardware structure * @m_ent: the management entry for which sw marker needs to be added * @sw_marker: sw marker to tag the Rx descriptor with * @l_id: large action resource ID * * Create a large action to hold software marker and update the switch rule * entry pointed by m_ent with newly created large action */ static int ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent, u16 sw_marker, u16 l_id) { struct ice_sw_rule_lkup_rx_tx *rx_tx; struct ice_sw_rule_lg_act *lg_act; /* For software marker we need 3 large actions * 1. FWD action: FWD TO VSI or VSI LIST * 2. GENERIC VALUE action to hold the profile ID * 3. GENERIC VALUE action to hold the software marker ID */ const u16 num_lg_acts = 3; u16 lg_act_size; u16 rules_size; int status; u32 act; u16 id; if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC) return -EINVAL; /* Create two back-to-back switch rules and submit them to the HW using * one memory buffer: * 1. Large Action * 2. Look up Tx Rx */ lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(lg_act, num_lg_acts); rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(rx_tx); lg_act = devm_kzalloc(ice_hw_to_dev(hw), rules_size, GFP_KERNEL); if (!lg_act) return -ENOMEM; rx_tx = (typeof(rx_tx))((u8 *)lg_act + lg_act_size); /* Fill in the first switch rule i.e. large action */ lg_act->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LG_ACT); lg_act->index = cpu_to_le16(l_id); lg_act->size = cpu_to_le16(num_lg_acts); /* First action VSI forwarding or VSI list forwarding depending on how * many VSIs */ id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id : m_ent->fltr_info.fwd_id.hw_vsi_id; act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT; act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & ICE_LG_ACT_VSI_LIST_ID_M; if (m_ent->vsi_count > 1) act |= ICE_LG_ACT_VSI_LIST; lg_act->act[0] = cpu_to_le32(act); /* Second action descriptor type */ act = ICE_LG_ACT_GENERIC; act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M; lg_act->act[1] = cpu_to_le32(act); act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX << ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M; /* Third action Marker value */ act |= ICE_LG_ACT_GENERIC; act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M; lg_act->act[2] = cpu_to_le32(act); /* call the fill switch rule to fill the lookup Tx Rx structure */ ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx, ice_aqc_opc_update_sw_rules); /* Update the action to point to the large action ID */ rx_tx->act = cpu_to_le32(ICE_SINGLE_ACT_PTR | ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M)); /* Use the filter rule ID of the previously created rule with single * act. Once the update happens, hardware will treat this as large * action */ rx_tx->index = cpu_to_le16(m_ent->fltr_info.fltr_rule_id); status = ice_aq_sw_rules(hw, lg_act, rules_size, 2, ice_aqc_opc_update_sw_rules, NULL); if (!status) { m_ent->lg_act_idx = l_id; m_ent->sw_marker_id = sw_marker; } devm_kfree(ice_hw_to_dev(hw), lg_act); return status; } /** * ice_create_vsi_list_map * @hw: pointer to the hardware structure * @vsi_handle_arr: array of VSI handles to set in the VSI mapping * @num_vsi: number of VSI handles in the array * @vsi_list_id: VSI list ID generated as part of allocate resource * * Helper function to create a new entry of VSI list ID to VSI mapping * using the given VSI list ID */ static struct ice_vsi_list_map_info * ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, u16 vsi_list_id) { struct ice_switch_info *sw = hw->switch_info; struct ice_vsi_list_map_info *v_map; int i; v_map = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*v_map), GFP_KERNEL); if (!v_map) return NULL; v_map->vsi_list_id = vsi_list_id; v_map->ref_cnt = 1; for (i = 0; i < num_vsi; i++) set_bit(vsi_handle_arr[i], v_map->vsi_map); list_add(&v_map->list_entry, &sw->vsi_list_map_head); return v_map; } /** * ice_update_vsi_list_rule * @hw: pointer to the hardware structure * @vsi_handle_arr: array of VSI handles to form a VSI list * @num_vsi: number of VSI handles in the array * @vsi_list_id: VSI list ID generated as part of allocate resource * @remove: Boolean value to indicate if this is a remove action * @opc: switch rules population command type - pass in the command opcode * @lkup_type: lookup type of the filter * * Call AQ command to add a new switch rule or update existing switch rule * using the given VSI list ID */ static int ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, u16 vsi_list_id, bool remove, enum ice_adminq_opc opc, enum ice_sw_lkup_type lkup_type) { struct ice_sw_rule_vsi_list *s_rule; u16 s_rule_size; u16 rule_type; int status; int i; if (!num_vsi) return -EINVAL; if (lkup_type == ICE_SW_LKUP_MAC || lkup_type == ICE_SW_LKUP_MAC_VLAN || lkup_type == ICE_SW_LKUP_ETHERTYPE || lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || lkup_type == ICE_SW_LKUP_PROMISC || lkup_type == ICE_SW_LKUP_PROMISC_VLAN || lkup_type == ICE_SW_LKUP_DFLT) rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR : ICE_AQC_SW_RULES_T_VSI_LIST_SET; else if (lkup_type == ICE_SW_LKUP_VLAN) rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR : ICE_AQC_SW_RULES_T_PRUNE_LIST_SET; else return -EINVAL; s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, num_vsi); s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL); if (!s_rule) return -ENOMEM; for (i = 0; i < num_vsi; i++) { if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) { status = -EINVAL; goto exit; } /* AQ call requires hw_vsi_id(s) */ s_rule->vsi[i] = cpu_to_le16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i])); } s_rule->hdr.type = cpu_to_le16(rule_type); s_rule->number_vsi = cpu_to_le16(num_vsi); s_rule->index = cpu_to_le16(vsi_list_id); status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL); exit: devm_kfree(ice_hw_to_dev(hw), s_rule); return status; } /** * ice_create_vsi_list_rule - Creates and populates a VSI list rule * @hw: pointer to the HW struct * @vsi_handle_arr: array of VSI handles to form a VSI list * @num_vsi: number of VSI handles in the array * @vsi_list_id: stores the ID of the VSI list to be created * @lkup_type: switch rule filter's lookup type */ static int ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type) { int status; status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type, ice_aqc_opc_alloc_res); if (status) return status; /* Update the newly created VSI list to include the specified VSIs */ return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi, *vsi_list_id, false, ice_aqc_opc_add_sw_rules, lkup_type); } /** * ice_create_pkt_fwd_rule * @hw: pointer to the hardware structure * @f_entry: entry containing packet forwarding information * * Create switch rule with given filter information and add an entry * to the corresponding filter management list to track this switch rule * and VSI mapping */ static int ice_create_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry) { struct ice_fltr_mgmt_list_entry *fm_entry; struct ice_sw_rule_lkup_rx_tx *s_rule; enum ice_sw_lkup_type l_type; struct ice_sw_recipe *recp; int status; s_rule = devm_kzalloc(ice_hw_to_dev(hw), ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), GFP_KERNEL); if (!s_rule) return -ENOMEM; fm_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*fm_entry), GFP_KERNEL); if (!fm_entry) { status = -ENOMEM; goto ice_create_pkt_fwd_rule_exit; } fm_entry->fltr_info = f_entry->fltr_info; /* Initialize all the fields for the management entry */ fm_entry->vsi_count = 1; fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX; fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID; fm_entry->counter_index = ICE_INVAL_COUNTER_ID; ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule, ice_aqc_opc_add_sw_rules); status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1, ice_aqc_opc_add_sw_rules, NULL); if (status) { devm_kfree(ice_hw_to_dev(hw), fm_entry); goto ice_create_pkt_fwd_rule_exit; } f_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index); fm_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index); /* The book keeping entries will get removed when base driver * calls remove filter AQ command */ l_type = fm_entry->fltr_info.lkup_type; recp = &hw->switch_info->recp_list[l_type]; list_add(&fm_entry->list_entry, &recp->filt_rules); ice_create_pkt_fwd_rule_exit: devm_kfree(ice_hw_to_dev(hw), s_rule); return status; } /** * ice_update_pkt_fwd_rule * @hw: pointer to the hardware structure * @f_info: filter information for switch rule * * Call AQ command to update a previously created switch rule with a * VSI list ID */ static int ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info) { struct ice_sw_rule_lkup_rx_tx *s_rule; int status; s_rule = devm_kzalloc(ice_hw_to_dev(hw), ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), GFP_KERNEL); if (!s_rule) return -ENOMEM; ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules); s_rule->index = cpu_to_le16(f_info->fltr_rule_id); /* Update switch rule with new rule set to forward VSI list */ status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1, ice_aqc_opc_update_sw_rules, NULL); devm_kfree(ice_hw_to_dev(hw), s_rule); return status; } /** * ice_update_sw_rule_bridge_mode * @hw: pointer to the HW struct * * Updates unicast switch filter rules based on VEB/VEPA mode */ int ice_update_sw_rule_bridge_mode(struct ice_hw *hw) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_mgmt_list_entry *fm_entry; struct list_head *rule_head; struct mutex *rule_lock; /* Lock to protect filter rule list */ int status = 0; rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; mutex_lock(rule_lock); list_for_each_entry(fm_entry, rule_head, list_entry) { struct ice_fltr_info *fi = &fm_entry->fltr_info; u8 *addr = fi->l_data.mac.mac_addr; /* Update unicast Tx rules to reflect the selected * VEB/VEPA mode */ if ((fi->flag & ICE_FLTR_TX) && is_unicast_ether_addr(addr) && (fi->fltr_act == ICE_FWD_TO_VSI || fi->fltr_act == ICE_FWD_TO_VSI_LIST || fi->fltr_act == ICE_FWD_TO_Q || fi->fltr_act == ICE_FWD_TO_QGRP)) { status = ice_update_pkt_fwd_rule(hw, fi); if (status) break; } } mutex_unlock(rule_lock); return status; } /** * ice_add_update_vsi_list * @hw: pointer to the hardware structure * @m_entry: pointer to current filter management list entry * @cur_fltr: filter information from the book keeping entry * @new_fltr: filter information with the new VSI to be added * * Call AQ command to add or update previously created VSI list with new VSI. * * Helper function to do book keeping associated with adding filter information * The algorithm to do the book keeping is described below : * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.) * if only one VSI has been added till now * Allocate a new VSI list and add two VSIs * to this list using switch rule command * Update the previously created switch rule with the * newly created VSI list ID * if a VSI list was previously created * Add the new VSI to the previously created VSI list set * using the update switch rule command */ static int ice_add_update_vsi_list(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_entry, struct ice_fltr_info *cur_fltr, struct ice_fltr_info *new_fltr) { u16 vsi_list_id = 0; int status = 0; if ((cur_fltr->fltr_act == ICE_FWD_TO_Q || cur_fltr->fltr_act == ICE_FWD_TO_QGRP)) return -EOPNOTSUPP; if ((new_fltr->fltr_act == ICE_FWD_TO_Q || new_fltr->fltr_act == ICE_FWD_TO_QGRP) && (cur_fltr->fltr_act == ICE_FWD_TO_VSI || cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST)) return -EOPNOTSUPP; if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) { /* Only one entry existed in the mapping and it was not already * a part of a VSI list. So, create a VSI list with the old and * new VSIs. */ struct ice_fltr_info tmp_fltr; u16 vsi_handle_arr[2]; /* A rule already exists with the new VSI being added */ if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id) return -EEXIST; vsi_handle_arr[0] = cur_fltr->vsi_handle; vsi_handle_arr[1] = new_fltr->vsi_handle; status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, &vsi_list_id, new_fltr->lkup_type); if (status) return status; tmp_fltr = *new_fltr; tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id; tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; /* Update the previous switch rule of "MAC forward to VSI" to * "MAC fwd to VSI list" */ status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); if (status) return status; cur_fltr->fwd_id.vsi_list_id = vsi_list_id; cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; m_entry->vsi_list_info = ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, vsi_list_id); if (!m_entry->vsi_list_info) return -ENOMEM; /* If this entry was large action then the large action needs * to be updated to point to FWD to VSI list */ if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) status = ice_add_marker_act(hw, m_entry, m_entry->sw_marker_id, m_entry->lg_act_idx); } else { u16 vsi_handle = new_fltr->vsi_handle; enum ice_adminq_opc opcode; if (!m_entry->vsi_list_info) return -EIO; /* A rule already exists with the new VSI being added */ if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map)) return 0; /* Update the previously created VSI list set with * the new VSI ID passed in */ vsi_list_id = cur_fltr->fwd_id.vsi_list_id; opcode = ice_aqc_opc_update_sw_rules; status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, false, opcode, new_fltr->lkup_type); /* update VSI list mapping info with new VSI ID */ if (!status) set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map); } if (!status) m_entry->vsi_count++; return status; } /** * ice_find_rule_entry - Search a rule entry * @hw: pointer to the hardware structure * @recp_id: lookup type for which the specified rule needs to be searched * @f_info: rule information * * Helper function to search for a given rule entry * Returns pointer to entry storing the rule if found */ static struct ice_fltr_mgmt_list_entry * ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info) { struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL; struct ice_switch_info *sw = hw->switch_info; struct list_head *list_head; list_head = &sw->recp_list[recp_id].filt_rules; list_for_each_entry(list_itr, list_head, list_entry) { if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data, sizeof(f_info->l_data)) && f_info->flag == list_itr->fltr_info.flag) { ret = list_itr; break; } } return ret; } /** * ice_find_vsi_list_entry - Search VSI list map with VSI count 1 * @hw: pointer to the hardware structure * @recp_id: lookup type for which VSI lists needs to be searched * @vsi_handle: VSI handle to be found in VSI list * @vsi_list_id: VSI list ID found containing vsi_handle * * Helper function to search a VSI list with single entry containing given VSI * handle element. This can be extended further to search VSI list with more * than 1 vsi_count. Returns pointer to VSI list entry if found. */ static struct ice_vsi_list_map_info * ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, u16 *vsi_list_id) { struct ice_vsi_list_map_info *map_info = NULL; struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_mgmt_list_entry *list_itr; struct list_head *list_head; list_head = &sw->recp_list[recp_id].filt_rules; list_for_each_entry(list_itr, list_head, list_entry) { if (list_itr->vsi_count == 1 && list_itr->vsi_list_info) { map_info = list_itr->vsi_list_info; if (test_bit(vsi_handle, map_info->vsi_map)) { *vsi_list_id = map_info->vsi_list_id; return map_info; } } } return NULL; } /** * ice_add_rule_internal - add rule for a given lookup type * @hw: pointer to the hardware structure * @recp_id: lookup type (recipe ID) for which rule has to be added * @f_entry: structure containing MAC forwarding information * * Adds or updates the rule lists for a given recipe */ static int ice_add_rule_internal(struct ice_hw *hw, u8 recp_id, struct ice_fltr_list_entry *f_entry) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_info *new_fltr, *cur_fltr; struct ice_fltr_mgmt_list_entry *m_entry; struct mutex *rule_lock; /* Lock to protect filter rule list */ int status = 0; if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) return -EINVAL; f_entry->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); rule_lock = &sw->recp_list[recp_id].filt_rule_lock; mutex_lock(rule_lock); new_fltr = &f_entry->fltr_info; if (new_fltr->flag & ICE_FLTR_RX) new_fltr->src = hw->port_info->lport; else if (new_fltr->flag & ICE_FLTR_TX) new_fltr->src = f_entry->fltr_info.fwd_id.hw_vsi_id; m_entry = ice_find_rule_entry(hw, recp_id, new_fltr); if (!m_entry) { mutex_unlock(rule_lock); return ice_create_pkt_fwd_rule(hw, f_entry); } cur_fltr = &m_entry->fltr_info; status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr); mutex_unlock(rule_lock); return status; } /** * ice_remove_vsi_list_rule * @hw: pointer to the hardware structure * @vsi_list_id: VSI list ID generated as part of allocate resource * @lkup_type: switch rule filter lookup type * * The VSI list should be emptied before this function is called to remove the * VSI list. */ static int ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id, enum ice_sw_lkup_type lkup_type) { struct ice_sw_rule_vsi_list *s_rule; u16 s_rule_size; int status; s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, 0); s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL); if (!s_rule) return -ENOMEM; s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR); s_rule->index = cpu_to_le16(vsi_list_id); /* Free the vsi_list resource that we allocated. It is assumed that the * list is empty at this point. */ status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type, ice_aqc_opc_free_res); devm_kfree(ice_hw_to_dev(hw), s_rule); return status; } /** * ice_rem_update_vsi_list * @hw: pointer to the hardware structure * @vsi_handle: VSI handle of the VSI to remove * @fm_list: filter management entry for which the VSI list management needs to * be done */ static int ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle, struct ice_fltr_mgmt_list_entry *fm_list) { enum ice_sw_lkup_type lkup_type; u16 vsi_list_id; int status = 0; if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST || fm_list->vsi_count == 0) return -EINVAL; /* A rule with the VSI being removed does not exist */ if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map)) return -ENOENT; lkup_type = fm_list->fltr_info.lkup_type; vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id; status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true, ice_aqc_opc_update_sw_rules, lkup_type); if (status) return status; fm_list->vsi_count--; clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map); if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) { struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info; struct ice_vsi_list_map_info *vsi_list_info = fm_list->vsi_list_info; u16 rem_vsi_handle; rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map, ICE_MAX_VSI); if (!ice_is_vsi_valid(hw, rem_vsi_handle)) return -EIO; /* Make sure VSI list is empty before removing it below */ status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1, vsi_list_id, true, ice_aqc_opc_update_sw_rules, lkup_type); if (status) return status; tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI; tmp_fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, rem_vsi_handle); tmp_fltr_info.vsi_handle = rem_vsi_handle; status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info); if (status) { ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n", tmp_fltr_info.fwd_id.hw_vsi_id, status); return status; } fm_list->fltr_info = tmp_fltr_info; } if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) || (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) { struct ice_vsi_list_map_info *vsi_list_info = fm_list->vsi_list_info; /* Remove the VSI list since it is no longer used */ status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type); if (status) { ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n", vsi_list_id, status); return status; } list_del(&vsi_list_info->list_entry); devm_kfree(ice_hw_to_dev(hw), vsi_list_info); fm_list->vsi_list_info = NULL; } return status; } /** * ice_remove_rule_internal - Remove a filter rule of a given type * @hw: pointer to the hardware structure * @recp_id: recipe ID for which the rule needs to removed * @f_entry: rule entry containing filter information */ static int ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id, struct ice_fltr_list_entry *f_entry) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_mgmt_list_entry *list_elem; struct mutex *rule_lock; /* Lock to protect filter rule list */ bool remove_rule = false; u16 vsi_handle; int status = 0; if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) return -EINVAL; f_entry->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); rule_lock = &sw->recp_list[recp_id].filt_rule_lock; mutex_lock(rule_lock); list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info); if (!list_elem) { status = -ENOENT; goto exit; } if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) { remove_rule = true; } else if (!list_elem->vsi_list_info) { status = -ENOENT; goto exit; } else if (list_elem->vsi_list_info->ref_cnt > 1) { /* a ref_cnt > 1 indicates that the vsi_list is being * shared by multiple rules. Decrement the ref_cnt and * remove this rule, but do not modify the list, as it * is in-use by other rules. */ list_elem->vsi_list_info->ref_cnt--; remove_rule = true; } else { /* a ref_cnt of 1 indicates the vsi_list is only used * by one rule. However, the original removal request is only * for a single VSI. Update the vsi_list first, and only * remove the rule if there are no further VSIs in this list. */ vsi_handle = f_entry->fltr_info.vsi_handle; status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem); if (status) goto exit; /* if VSI count goes to zero after updating the VSI list */ if (list_elem->vsi_count == 0) remove_rule = true; } if (remove_rule) { /* Remove the lookup rule */ struct ice_sw_rule_lkup_rx_tx *s_rule; s_rule = devm_kzalloc(ice_hw_to_dev(hw), ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule), GFP_KERNEL); if (!s_rule) { status = -ENOMEM; goto exit; } ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule, ice_aqc_opc_remove_sw_rules); status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule), 1, ice_aqc_opc_remove_sw_rules, NULL); /* Remove a book keeping from the list */ devm_kfree(ice_hw_to_dev(hw), s_rule); if (status) goto exit; list_del(&list_elem->list_entry); devm_kfree(ice_hw_to_dev(hw), list_elem); } exit: mutex_unlock(rule_lock); return status; } /** * ice_mac_fltr_exist - does this MAC filter exist for given VSI * @hw: pointer to the hardware structure * @mac: MAC address to be checked (for MAC filter) * @vsi_handle: check MAC filter for this VSI */ bool ice_mac_fltr_exist(struct ice_hw *hw, u8 *mac, u16 vsi_handle) { struct ice_fltr_mgmt_list_entry *entry; struct list_head *rule_head; struct ice_switch_info *sw; struct mutex *rule_lock; /* Lock to protect filter rule list */ u16 hw_vsi_id; if (!ice_is_vsi_valid(hw, vsi_handle)) return false; hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); sw = hw->switch_info; rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; if (!rule_head) return false; rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; mutex_lock(rule_lock); list_for_each_entry(entry, rule_head, list_entry) { struct ice_fltr_info *f_info = &entry->fltr_info; u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; if (is_zero_ether_addr(mac_addr)) continue; if (f_info->flag != ICE_FLTR_TX || f_info->src_id != ICE_SRC_ID_VSI || f_info->lkup_type != ICE_SW_LKUP_MAC || f_info->fltr_act != ICE_FWD_TO_VSI || hw_vsi_id != f_info->fwd_id.hw_vsi_id) continue; if (ether_addr_equal(mac, mac_addr)) { mutex_unlock(rule_lock); return true; } } mutex_unlock(rule_lock); return false; } /** * ice_vlan_fltr_exist - does this VLAN filter exist for given VSI * @hw: pointer to the hardware structure * @vlan_id: VLAN ID * @vsi_handle: check MAC filter for this VSI */ bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle) { struct ice_fltr_mgmt_list_entry *entry; struct list_head *rule_head; struct ice_switch_info *sw; struct mutex *rule_lock; /* Lock to protect filter rule list */ u16 hw_vsi_id; if (vlan_id > ICE_MAX_VLAN_ID) return false; if (!ice_is_vsi_valid(hw, vsi_handle)) return false; hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); sw = hw->switch_info; rule_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules; if (!rule_head) return false; rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; mutex_lock(rule_lock); list_for_each_entry(entry, rule_head, list_entry) { struct ice_fltr_info *f_info = &entry->fltr_info; u16 entry_vlan_id = f_info->l_data.vlan.vlan_id; struct ice_vsi_list_map_info *map_info; if (entry_vlan_id > ICE_MAX_VLAN_ID) continue; if (f_info->flag != ICE_FLTR_TX || f_info->src_id != ICE_SRC_ID_VSI || f_info->lkup_type != ICE_SW_LKUP_VLAN) continue; /* Only allowed filter action are FWD_TO_VSI/_VSI_LIST */ if (f_info->fltr_act != ICE_FWD_TO_VSI && f_info->fltr_act != ICE_FWD_TO_VSI_LIST) continue; if (f_info->fltr_act == ICE_FWD_TO_VSI) { if (hw_vsi_id != f_info->fwd_id.hw_vsi_id) continue; } else if (f_info->fltr_act == ICE_FWD_TO_VSI_LIST) { /* If filter_action is FWD_TO_VSI_LIST, make sure * that VSI being checked is part of VSI list */ if (entry->vsi_count == 1 && entry->vsi_list_info) { map_info = entry->vsi_list_info; if (!test_bit(vsi_handle, map_info->vsi_map)) continue; } } if (vlan_id == entry_vlan_id) { mutex_unlock(rule_lock); return true; } } mutex_unlock(rule_lock); return false; } /** * ice_add_mac - Add a MAC address based filter rule * @hw: pointer to the hardware structure * @m_list: list of MAC addresses and forwarding information * * IMPORTANT: When the ucast_shared flag is set to false and m_list has * multiple unicast addresses, the function assumes that all the * addresses are unique in a given add_mac call. It doesn't * check for duplicates in this case, removing duplicates from a given * list should be taken care of in the caller of this function. */ int ice_add_mac(struct ice_hw *hw, struct list_head *m_list) { struct ice_sw_rule_lkup_rx_tx *s_rule, *r_iter; struct ice_fltr_list_entry *m_list_itr; struct list_head *rule_head; u16 total_elem_left, s_rule_size; struct ice_switch_info *sw; struct mutex *rule_lock; /* Lock to protect filter rule list */ u16 num_unicast = 0; int status = 0; u8 elem_sent; if (!m_list || !hw) return -EINVAL; s_rule = NULL; sw = hw->switch_info; rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; list_for_each_entry(m_list_itr, m_list, list_entry) { u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0]; u16 vsi_handle; u16 hw_vsi_id; m_list_itr->fltr_info.flag = ICE_FLTR_TX; vsi_handle = m_list_itr->fltr_info.vsi_handle; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id; /* update the src in case it is VSI num */ if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI) return -EINVAL; m_list_itr->fltr_info.src = hw_vsi_id; if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC || is_zero_ether_addr(add)) return -EINVAL; if (is_unicast_ether_addr(add) && !hw->ucast_shared) { /* Don't overwrite the unicast address */ mutex_lock(rule_lock); if (ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, &m_list_itr->fltr_info)) { mutex_unlock(rule_lock); return -EEXIST; } mutex_unlock(rule_lock); num_unicast++; } else if (is_multicast_ether_addr(add) || (is_unicast_ether_addr(add) && hw->ucast_shared)) { m_list_itr->status = ice_add_rule_internal(hw, ICE_SW_LKUP_MAC, m_list_itr); if (m_list_itr->status) return m_list_itr->status; } } mutex_lock(rule_lock); /* Exit if no suitable entries were found for adding bulk switch rule */ if (!num_unicast) { status = 0; goto ice_add_mac_exit; } rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; /* Allocate switch rule buffer for the bulk update for unicast */ s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule); s_rule = devm_kcalloc(ice_hw_to_dev(hw), num_unicast, s_rule_size, GFP_KERNEL); if (!s_rule) { status = -ENOMEM; goto ice_add_mac_exit; } r_iter = s_rule; list_for_each_entry(m_list_itr, m_list, list_entry) { struct ice_fltr_info *f_info = &m_list_itr->fltr_info; u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; if (is_unicast_ether_addr(mac_addr)) { ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter, ice_aqc_opc_add_sw_rules); r_iter = (typeof(s_rule))((u8 *)r_iter + s_rule_size); } } /* Call AQ bulk switch rule update for all unicast addresses */ r_iter = s_rule; /* Call AQ switch rule in AQ_MAX chunk */ for (total_elem_left = num_unicast; total_elem_left > 0; total_elem_left -= elem_sent) { struct ice_sw_rule_lkup_rx_tx *entry = r_iter; elem_sent = min_t(u8, total_elem_left, (ICE_AQ_MAX_BUF_LEN / s_rule_size)); status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size, elem_sent, ice_aqc_opc_add_sw_rules, NULL); if (status) goto ice_add_mac_exit; r_iter = (typeof(s_rule)) ((u8 *)r_iter + (elem_sent * s_rule_size)); } /* Fill up rule ID based on the value returned from FW */ r_iter = s_rule; list_for_each_entry(m_list_itr, m_list, list_entry) { struct ice_fltr_info *f_info = &m_list_itr->fltr_info; u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; struct ice_fltr_mgmt_list_entry *fm_entry; if (is_unicast_ether_addr(mac_addr)) { f_info->fltr_rule_id = le16_to_cpu(r_iter->index); f_info->fltr_act = ICE_FWD_TO_VSI; /* Create an entry to track this MAC address */ fm_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*fm_entry), GFP_KERNEL); if (!fm_entry) { status = -ENOMEM; goto ice_add_mac_exit; } fm_entry->fltr_info = *f_info; fm_entry->vsi_count = 1; /* The book keeping entries will get removed when * base driver calls remove filter AQ command */ list_add(&fm_entry->list_entry, rule_head); r_iter = (typeof(s_rule))((u8 *)r_iter + s_rule_size); } } ice_add_mac_exit: mutex_unlock(rule_lock); if (s_rule) devm_kfree(ice_hw_to_dev(hw), s_rule); return status; } /** * ice_add_vlan_internal - Add one VLAN based filter rule * @hw: pointer to the hardware structure * @f_entry: filter entry containing one VLAN information */ static int ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_mgmt_list_entry *v_list_itr; struct ice_fltr_info *new_fltr, *cur_fltr; enum ice_sw_lkup_type lkup_type; u16 vsi_list_id = 0, vsi_handle; struct mutex *rule_lock; /* Lock to protect filter rule list */ int status = 0; if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) return -EINVAL; f_entry->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); new_fltr = &f_entry->fltr_info; /* VLAN ID should only be 12 bits */ if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID) return -EINVAL; if (new_fltr->src_id != ICE_SRC_ID_VSI) return -EINVAL; new_fltr->src = new_fltr->fwd_id.hw_vsi_id; lkup_type = new_fltr->lkup_type; vsi_handle = new_fltr->vsi_handle; rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; mutex_lock(rule_lock); v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr); if (!v_list_itr) { struct ice_vsi_list_map_info *map_info = NULL; if (new_fltr->fltr_act == ICE_FWD_TO_VSI) { /* All VLAN pruning rules use a VSI list. Check if * there is already a VSI list containing VSI that we * want to add. If found, use the same vsi_list_id for * this new VLAN rule or else create a new list. */ map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN, vsi_handle, &vsi_list_id); if (!map_info) { status = ice_create_vsi_list_rule(hw, &vsi_handle, 1, &vsi_list_id, lkup_type); if (status) goto exit; } /* Convert the action to forwarding to a VSI list. */ new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; new_fltr->fwd_id.vsi_list_id = vsi_list_id; } status = ice_create_pkt_fwd_rule(hw, f_entry); if (!status) { v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr); if (!v_list_itr) { status = -ENOENT; goto exit; } /* reuse VSI list for new rule and increment ref_cnt */ if (map_info) { v_list_itr->vsi_list_info = map_info; map_info->ref_cnt++; } else { v_list_itr->vsi_list_info = ice_create_vsi_list_map(hw, &vsi_handle, 1, vsi_list_id); } } } else if (v_list_itr->vsi_list_info->ref_cnt == 1) { /* Update existing VSI list to add new VSI ID only if it used * by one VLAN rule. */ cur_fltr = &v_list_itr->fltr_info; status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr, new_fltr); } else { /* If VLAN rule exists and VSI list being used by this rule is * referenced by more than 1 VLAN rule. Then create a new VSI * list appending previous VSI with new VSI and update existing * VLAN rule to point to new VSI list ID */ struct ice_fltr_info tmp_fltr; u16 vsi_handle_arr[2]; u16 cur_handle; /* Current implementation only supports reusing VSI list with * one VSI count. We should never hit below condition */ if (v_list_itr->vsi_count > 1 && v_list_itr->vsi_list_info->ref_cnt > 1) { ice_debug(hw, ICE_DBG_SW, "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n"); status = -EIO; goto exit; } cur_handle = find_first_bit(v_list_itr->vsi_list_info->vsi_map, ICE_MAX_VSI); /* A rule already exists with the new VSI being added */ if (cur_handle == vsi_handle) { status = -EEXIST; goto exit; } vsi_handle_arr[0] = cur_handle; vsi_handle_arr[1] = vsi_handle; status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, &vsi_list_id, lkup_type); if (status) goto exit; tmp_fltr = v_list_itr->fltr_info; tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id; tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; /* Update the previous switch rule to a new VSI list which * includes current VSI that is requested */ status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); if (status) goto exit; /* before overriding VSI list map info. decrement ref_cnt of * previous VSI list */ v_list_itr->vsi_list_info->ref_cnt--; /* now update to newly created list */ v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id; v_list_itr->vsi_list_info = ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, vsi_list_id); v_list_itr->vsi_count++; } exit: mutex_unlock(rule_lock); return status; } /** * ice_add_vlan - Add VLAN based filter rule * @hw: pointer to the hardware structure * @v_list: list of VLAN entries and forwarding information */ int ice_add_vlan(struct ice_hw *hw, struct list_head *v_list) { struct ice_fltr_list_entry *v_list_itr; if (!v_list || !hw) return -EINVAL; list_for_each_entry(v_list_itr, v_list, list_entry) { if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN) return -EINVAL; v_list_itr->fltr_info.flag = ICE_FLTR_TX; v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr); if (v_list_itr->status) return v_list_itr->status; } return 0; } /** * ice_add_eth_mac - Add ethertype and MAC based filter rule * @hw: pointer to the hardware structure * @em_list: list of ether type MAC filter, MAC is optional * * This function requires the caller to populate the entries in * the filter list with the necessary fields (including flags to * indicate Tx or Rx rules). */ int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list) { struct ice_fltr_list_entry *em_list_itr; if (!em_list || !hw) return -EINVAL; list_for_each_entry(em_list_itr, em_list, list_entry) { enum ice_sw_lkup_type l_type = em_list_itr->fltr_info.lkup_type; if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && l_type != ICE_SW_LKUP_ETHERTYPE) return -EINVAL; em_list_itr->status = ice_add_rule_internal(hw, l_type, em_list_itr); if (em_list_itr->status) return em_list_itr->status; } return 0; } /** * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule * @hw: pointer to the hardware structure * @em_list: list of ethertype or ethertype MAC entries */ int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list) { struct ice_fltr_list_entry *em_list_itr, *tmp; if (!em_list || !hw) return -EINVAL; list_for_each_entry_safe(em_list_itr, tmp, em_list, list_entry) { enum ice_sw_lkup_type l_type = em_list_itr->fltr_info.lkup_type; if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && l_type != ICE_SW_LKUP_ETHERTYPE) return -EINVAL; em_list_itr->status = ice_remove_rule_internal(hw, l_type, em_list_itr); if (em_list_itr->status) return em_list_itr->status; } return 0; } /** * ice_rem_sw_rule_info * @hw: pointer to the hardware structure * @rule_head: pointer to the switch list structure that we want to delete */ static void ice_rem_sw_rule_info(struct ice_hw *hw, struct list_head *rule_head) { if (!list_empty(rule_head)) { struct ice_fltr_mgmt_list_entry *entry; struct ice_fltr_mgmt_list_entry *tmp; list_for_each_entry_safe(entry, tmp, rule_head, list_entry) { list_del(&entry->list_entry); devm_kfree(ice_hw_to_dev(hw), entry); } } } /** * ice_rem_adv_rule_info * @hw: pointer to the hardware structure * @rule_head: pointer to the switch list structure that we want to delete */ static void ice_rem_adv_rule_info(struct ice_hw *hw, struct list_head *rule_head) { struct ice_adv_fltr_mgmt_list_entry *tmp_entry; struct ice_adv_fltr_mgmt_list_entry *lst_itr; if (list_empty(rule_head)) return; list_for_each_entry_safe(lst_itr, tmp_entry, rule_head, list_entry) { list_del(&lst_itr->list_entry); devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups); devm_kfree(ice_hw_to_dev(hw), lst_itr); } } /** * ice_cfg_dflt_vsi - change state of VSI to set/clear default * @pi: pointer to the port_info structure * @vsi_handle: VSI handle to set as default * @set: true to add the above mentioned switch rule, false to remove it * @direction: ICE_FLTR_RX or ICE_FLTR_TX * * add filter rule to set/unset given VSI as default VSI for the switch * (represented by swid) */ int ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, u8 direction) { struct ice_fltr_list_entry f_list_entry; struct ice_fltr_info f_info; struct ice_hw *hw = pi->hw; u16 hw_vsi_id; int status; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); memset(&f_info, 0, sizeof(f_info)); f_info.lkup_type = ICE_SW_LKUP_DFLT; f_info.flag = direction; f_info.fltr_act = ICE_FWD_TO_VSI; f_info.fwd_id.hw_vsi_id = hw_vsi_id; f_info.vsi_handle = vsi_handle; if (f_info.flag & ICE_FLTR_RX) { f_info.src = hw->port_info->lport; f_info.src_id = ICE_SRC_ID_LPORT; } else if (f_info.flag & ICE_FLTR_TX) { f_info.src_id = ICE_SRC_ID_VSI; f_info.src = hw_vsi_id; } f_list_entry.fltr_info = f_info; if (set) status = ice_add_rule_internal(hw, ICE_SW_LKUP_DFLT, &f_list_entry); else status = ice_remove_rule_internal(hw, ICE_SW_LKUP_DFLT, &f_list_entry); return status; } /** * ice_vsi_uses_fltr - Determine if given VSI uses specified filter * @fm_entry: filter entry to inspect * @vsi_handle: VSI handle to compare with filter info */ static bool ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle) { return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI && fm_entry->fltr_info.vsi_handle == vsi_handle) || (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST && fm_entry->vsi_list_info && (test_bit(vsi_handle, fm_entry->vsi_list_info->vsi_map)))); } /** * ice_check_if_dflt_vsi - check if VSI is default VSI * @pi: pointer to the port_info structure * @vsi_handle: vsi handle to check for in filter list * @rule_exists: indicates if there are any VSI's in the rule list * * checks if the VSI is in a default VSI list, and also indicates * if the default VSI list is empty */ bool ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool *rule_exists) { struct ice_fltr_mgmt_list_entry *fm_entry; struct ice_sw_recipe *recp_list; struct list_head *rule_head; struct mutex *rule_lock; /* Lock to protect filter rule list */ bool ret = false; recp_list = &pi->hw->switch_info->recp_list[ICE_SW_LKUP_DFLT]; rule_lock = &recp_list->filt_rule_lock; rule_head = &recp_list->filt_rules; mutex_lock(rule_lock); if (rule_exists && !list_empty(rule_head)) *rule_exists = true; list_for_each_entry(fm_entry, rule_head, list_entry) { if (ice_vsi_uses_fltr(fm_entry, vsi_handle)) { ret = true; break; } } mutex_unlock(rule_lock); return ret; } /** * ice_find_ucast_rule_entry - Search for a unicast MAC filter rule entry * @hw: pointer to the hardware structure * @recp_id: lookup type for which the specified rule needs to be searched * @f_info: rule information * * Helper function to search for a unicast rule entry - this is to be used * to remove unicast MAC filter that is not shared with other VSIs on the * PF switch. * * Returns pointer to entry storing the rule if found */ static struct ice_fltr_mgmt_list_entry * ice_find_ucast_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_mgmt_list_entry *list_itr; struct list_head *list_head; list_head = &sw->recp_list[recp_id].filt_rules; list_for_each_entry(list_itr, list_head, list_entry) { if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data, sizeof(f_info->l_data)) && f_info->fwd_id.hw_vsi_id == list_itr->fltr_info.fwd_id.hw_vsi_id && f_info->flag == list_itr->fltr_info.flag) return list_itr; } return NULL; } /** * ice_remove_mac - remove a MAC address based filter rule * @hw: pointer to the hardware structure * @m_list: list of MAC addresses and forwarding information * * This function removes either a MAC filter rule or a specific VSI from a * VSI list for a multicast MAC address. * * Returns -ENOENT if a given entry was not added by ice_add_mac. Caller should * be aware that this call will only work if all the entries passed into m_list * were added previously. It will not attempt to do a partial remove of entries * that were found. */ int ice_remove_mac(struct ice_hw *hw, struct list_head *m_list) { struct ice_fltr_list_entry *list_itr, *tmp; struct mutex *rule_lock; /* Lock to protect filter rule list */ if (!m_list) return -EINVAL; rule_lock = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; list_for_each_entry_safe(list_itr, tmp, m_list, list_entry) { enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type; u8 *add = &list_itr->fltr_info.l_data.mac.mac_addr[0]; u16 vsi_handle; if (l_type != ICE_SW_LKUP_MAC) return -EINVAL; vsi_handle = list_itr->fltr_info.vsi_handle; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; list_itr->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); if (is_unicast_ether_addr(add) && !hw->ucast_shared) { /* Don't remove the unicast address that belongs to * another VSI on the switch, since it is not being * shared... */ mutex_lock(rule_lock); if (!ice_find_ucast_rule_entry(hw, ICE_SW_LKUP_MAC, &list_itr->fltr_info)) { mutex_unlock(rule_lock); return -ENOENT; } mutex_unlock(rule_lock); } list_itr->status = ice_remove_rule_internal(hw, ICE_SW_LKUP_MAC, list_itr); if (list_itr->status) return list_itr->status; } return 0; } /** * ice_remove_vlan - Remove VLAN based filter rule * @hw: pointer to the hardware structure * @v_list: list of VLAN entries and forwarding information */ int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list) { struct ice_fltr_list_entry *v_list_itr, *tmp; if (!v_list || !hw) return -EINVAL; list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) { enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type; if (l_type != ICE_SW_LKUP_VLAN) return -EINVAL; v_list_itr->status = ice_remove_rule_internal(hw, ICE_SW_LKUP_VLAN, v_list_itr); if (v_list_itr->status) return v_list_itr->status; } return 0; } /** * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list * @hw: pointer to the hardware structure * @vsi_handle: VSI handle to remove filters from * @vsi_list_head: pointer to the list to add entry to * @fi: pointer to fltr_info of filter entry to copy & add * * Helper function, used when creating a list of filters to remove from * a specific VSI. The entry added to vsi_list_head is a COPY of the * original filter entry, with the exception of fltr_info.fltr_act and * fltr_info.fwd_id fields. These are set such that later logic can * extract which VSI to remove the fltr from, and pass on that information. */ static int ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, struct list_head *vsi_list_head, struct ice_fltr_info *fi) { struct ice_fltr_list_entry *tmp; /* this memory is freed up in the caller function * once filters for this VSI are removed */ tmp = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*tmp), GFP_KERNEL); if (!tmp) return -ENOMEM; tmp->fltr_info = *fi; /* Overwrite these fields to indicate which VSI to remove filter from, * so find and remove logic can extract the information from the * list entries. Note that original entries will still have proper * values. */ tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; tmp->fltr_info.vsi_handle = vsi_handle; tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); list_add(&tmp->list_entry, vsi_list_head); return 0; } /** * ice_add_to_vsi_fltr_list - Add VSI filters to the list * @hw: pointer to the hardware structure * @vsi_handle: VSI handle to remove filters from * @lkup_list_head: pointer to the list that has certain lookup type filters * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle * * Locates all filters in lkup_list_head that are used by the given VSI, * and adds COPIES of those entries to vsi_list_head (intended to be used * to remove the listed filters). * Note that this means all entries in vsi_list_head must be explicitly * deallocated by the caller when done with list. */ static int ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, struct list_head *lkup_list_head, struct list_head *vsi_list_head) { struct ice_fltr_mgmt_list_entry *fm_entry; int status = 0; /* check to make sure VSI ID is valid and within boundary */ if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; list_for_each_entry(fm_entry, lkup_list_head, list_entry) { if (!ice_vsi_uses_fltr(fm_entry, vsi_handle)) continue; status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, vsi_list_head, &fm_entry->fltr_info); if (status) return status; } return status; } /** * ice_determine_promisc_mask * @fi: filter info to parse * * Helper function to determine which ICE_PROMISC_ mask corresponds * to given filter into. */ static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi) { u16 vid = fi->l_data.mac_vlan.vlan_id; u8 *macaddr = fi->l_data.mac.mac_addr; bool is_tx_fltr = false; u8 promisc_mask = 0; if (fi->flag == ICE_FLTR_TX) is_tx_fltr = true; if (is_broadcast_ether_addr(macaddr)) promisc_mask |= is_tx_fltr ? ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX; else if (is_multicast_ether_addr(macaddr)) promisc_mask |= is_tx_fltr ? ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX; else if (is_unicast_ether_addr(macaddr)) promisc_mask |= is_tx_fltr ? ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX; if (vid) promisc_mask |= is_tx_fltr ? ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX; return promisc_mask; } /** * ice_remove_promisc - Remove promisc based filter rules * @hw: pointer to the hardware structure * @recp_id: recipe ID for which the rule needs to removed * @v_list: list of promisc entries */ static int ice_remove_promisc(struct ice_hw *hw, u8 recp_id, struct list_head *v_list) { struct ice_fltr_list_entry *v_list_itr, *tmp; list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) { v_list_itr->status = ice_remove_rule_internal(hw, recp_id, v_list_itr); if (v_list_itr->status) return v_list_itr->status; } return 0; } /** * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI * @hw: pointer to the hardware structure * @vsi_handle: VSI handle to clear mode * @promisc_mask: mask of promiscuous config bits to clear * @vid: VLAN ID to clear VLAN promiscuous */ int ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_list_entry *fm_entry, *tmp; struct list_head remove_list_head; struct ice_fltr_mgmt_list_entry *itr; struct list_head *rule_head; struct mutex *rule_lock; /* Lock to protect filter rule list */ int status = 0; u8 recipe_id; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) recipe_id = ICE_SW_LKUP_PROMISC_VLAN; else recipe_id = ICE_SW_LKUP_PROMISC; rule_head = &sw->recp_list[recipe_id].filt_rules; rule_lock = &sw->recp_list[recipe_id].filt_rule_lock; INIT_LIST_HEAD(&remove_list_head); mutex_lock(rule_lock); list_for_each_entry(itr, rule_head, list_entry) { struct ice_fltr_info *fltr_info; u8 fltr_promisc_mask = 0; if (!ice_vsi_uses_fltr(itr, vsi_handle)) continue; fltr_info = &itr->fltr_info; if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN && vid != fltr_info->l_data.mac_vlan.vlan_id) continue; fltr_promisc_mask |= ice_determine_promisc_mask(fltr_info); /* Skip if filter is not completely specified by given mask */ if (fltr_promisc_mask & ~promisc_mask) continue; status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, &remove_list_head, fltr_info); if (status) { mutex_unlock(rule_lock); goto free_fltr_list; } } mutex_unlock(rule_lock); status = ice_remove_promisc(hw, recipe_id, &remove_list_head); free_fltr_list: list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) { list_del(&fm_entry->list_entry); devm_kfree(ice_hw_to_dev(hw), fm_entry); } return status; } /** * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s) * @hw: pointer to the hardware structure * @vsi_handle: VSI handle to configure * @promisc_mask: mask of promiscuous config bits * @vid: VLAN ID to set VLAN promiscuous */ int ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid) { enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR }; struct ice_fltr_list_entry f_list_entry; struct ice_fltr_info new_fltr; bool is_tx_fltr; int status = 0; u16 hw_vsi_id; int pkt_type; u8 recipe_id; if (!ice_is_vsi_valid(hw, vsi_handle)) return -EINVAL; hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); memset(&new_fltr, 0, sizeof(new_fltr)); if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) { new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN; new_fltr.l_data.mac_vlan.vlan_id = vid; recipe_id = ICE_SW_LKUP_PROMISC_VLAN; } else { new_fltr.lkup_type = ICE_SW_LKUP_PROMISC; recipe_id = ICE_SW_LKUP_PROMISC; } /* Separate filters must be set for each direction/packet type * combination, so we will loop over the mask value, store the * individual type, and clear it out in the input mask as it * is found. */ while (promisc_mask) { u8 *mac_addr; pkt_type = 0; is_tx_fltr = false; if (promisc_mask & ICE_PROMISC_UCAST_RX) { promisc_mask &= ~ICE_PROMISC_UCAST_RX; pkt_type = UCAST_FLTR; } else if (promisc_mask & ICE_PROMISC_UCAST_TX) { promisc_mask &= ~ICE_PROMISC_UCAST_TX; pkt_type = UCAST_FLTR; is_tx_fltr = true; } else if (promisc_mask & ICE_PROMISC_MCAST_RX) { promisc_mask &= ~ICE_PROMISC_MCAST_RX; pkt_type = MCAST_FLTR; } else if (promisc_mask & ICE_PROMISC_MCAST_TX) { promisc_mask &= ~ICE_PROMISC_MCAST_TX; pkt_type = MCAST_FLTR; is_tx_fltr = true; } else if (promisc_mask & ICE_PROMISC_BCAST_RX) { promisc_mask &= ~ICE_PROMISC_BCAST_RX; pkt_type = BCAST_FLTR; } else if (promisc_mask & ICE_PROMISC_BCAST_TX) { promisc_mask &= ~ICE_PROMISC_BCAST_TX; pkt_type = BCAST_FLTR; is_tx_fltr = true; } /* Check for VLAN promiscuous flag */ if (promisc_mask & ICE_PROMISC_VLAN_RX) { promisc_mask &= ~ICE_PROMISC_VLAN_RX; } else if (promisc_mask & ICE_PROMISC_VLAN_TX) { promisc_mask &= ~ICE_PROMISC_VLAN_TX; is_tx_fltr = true; } /* Set filter DA based on packet type */ mac_addr = new_fltr.l_data.mac.mac_addr; if (pkt_type == BCAST_FLTR) { eth_broadcast_addr(mac_addr); } else if (pkt_type == MCAST_FLTR || pkt_type == UCAST_FLTR) { /* Use the dummy ether header DA */ ether_addr_copy(mac_addr, dummy_eth_header); if (pkt_type == MCAST_FLTR) mac_addr[0] |= 0x1; /* Set multicast bit */ } /* Need to reset this to zero for all iterations */ new_fltr.flag = 0; if (is_tx_fltr) { new_fltr.flag |= ICE_FLTR_TX; new_fltr.src = hw_vsi_id; } else { new_fltr.flag |= ICE_FLTR_RX; new_fltr.src = hw->port_info->lport; } new_fltr.fltr_act = ICE_FWD_TO_VSI; new_fltr.vsi_handle = vsi_handle; new_fltr.fwd_id.hw_vsi_id = hw_vsi_id; f_list_entry.fltr_info = new_fltr; status = ice_add_rule_internal(hw, recipe_id, &f_list_entry); if (status) goto set_promisc_exit; } set_promisc_exit: return status; } /** * ice_set_vlan_vsi_promisc * @hw: pointer to the hardware structure * @vsi_handle: VSI handle to configure * @promisc_mask: mask of promiscuous config bits * @rm_vlan_promisc: Clear VLANs VSI promisc mode * * Configure VSI with all associated VLANs to given promiscuous mode(s) */ int ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, bool rm_vlan_promisc) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_list_entry *list_itr, *tmp; struct list_head vsi_list_head; struct list_head *vlan_head; struct mutex *vlan_lock; /* Lock to protect filter rule list */ u16 vlan_id; int status; INIT_LIST_HEAD(&vsi_list_head); vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules; mutex_lock(vlan_lock); status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head, &vsi_list_head); mutex_unlock(vlan_lock); if (status) goto free_fltr_list; list_for_each_entry(list_itr, &vsi_list_head, list_entry) { /* Avoid enabling or disabling VLAN zero twice when in double * VLAN mode */ if (ice_is_dvm_ena(hw) && list_itr->fltr_info.l_data.vlan.tpid == 0) continue; vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id; if (rm_vlan_promisc) status = ice_clear_vsi_promisc(hw, vsi_handle, promisc_mask, vlan_id); else status = ice_set_vsi_promisc(hw, vsi_handle, promisc_mask, vlan_id); if (status && status != -EEXIST) break; } free_fltr_list: list_for_each_entry_safe(list_itr, tmp, &vsi_list_head, list_entry) { list_del(&list_itr->list_entry); devm_kfree(ice_hw_to_dev(hw), list_itr); } return status; } /** * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI * @hw: pointer to the hardware structure * @vsi_handle: VSI handle to remove filters from * @lkup: switch rule filter lookup type */ static void ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle, enum ice_sw_lkup_type lkup) { struct ice_switch_info *sw = hw->switch_info; struct ice_fltr_list_entry *fm_entry; struct list_head remove_list_head; struct list_head *rule_head; struct ice_fltr_list_entry *tmp; struct mutex *rule_lock; /* Lock to protect filter rule list */ int status; INIT_LIST_HEAD(&remove_list_head); rule_lock = &sw->recp_list[lkup].filt_rule_lock; rule_head = &sw->recp_list[lkup].filt_rules; mutex_lock(rule_lock); status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head, &remove_list_head); mutex_unlock(rule_lock); if (status) goto free_fltr_list; switch (lkup) { case ICE_SW_LKUP_MAC: ice_remove_mac(hw, &remove_list_head); break; case ICE_SW_LKUP_VLAN: ice_remove_vlan(hw, &remove_list_head); break; case ICE_SW_LKUP_PROMISC: case ICE_SW_LKUP_PROMISC_VLAN: ice_remove_promisc(hw, lkup, &remove_list_head); break; case ICE_SW_LKUP_MAC_VLAN: case ICE_SW_LKUP_ETHERTYPE: case ICE_SW_LKUP_ETHERTYPE_MAC: case ICE_SW_LKUP_DFLT: case ICE_SW_LKUP_LAST: default: ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type %d\n", lkup); break; } free_fltr_list: list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) { list_del(&fm_entry->list_entry); devm_kfree(ice_hw_to_dev(hw), fm_entry); } } /** * ice_remove_vsi_fltr - Remove all filters for a VSI * @hw: pointer to the hardware structure * @vsi_handle: VSI handle to remove filters from */ void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle) { ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC); ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN); ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC); ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN); ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT); ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE); ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC); ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN); } /** * ice_alloc_res_cntr - allocating resource counter * @hw: pointer to the hardware structure * @type: type of resource * @alloc_shared: if set it is shared else dedicated * @num_items: number of entries requested for FD resource type * @counter_id: counter index returned by AQ call */ int ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, u16 *counter_id) { struct ice_aqc_alloc_free_res_elem *buf; u16 buf_len; int status; /* Allocate resource */ buf_len = struct_size(buf, elem, 1); buf = kzalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; buf->num_elems = cpu_to_le16(num_items); buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) & ICE_AQC_RES_TYPE_M) | alloc_shared); status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, ice_aqc_opc_alloc_res, NULL); if (status) goto exit; *counter_id = le16_to_cpu(buf->elem[0].e.sw_resp); exit: kfree(buf); return status; } /** * ice_free_res_cntr - free resource counter * @hw: pointer to the hardware structure * @type: type of resource * @alloc_shared: if set it is shared else dedicated * @num_items: number of entries to be freed for FD resource type * @counter_id: counter ID resource which needs to be freed */ int ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, u16 counter_id) { struct ice_aqc_alloc_free_res_elem *buf; u16 buf_len; int status; /* Free resource */ buf_len = struct_size(buf, elem, 1); buf = kzalloc(buf_len, GFP_KERNEL); if (!buf) return -ENOMEM; buf->num_elems = cpu_to_le16(num_items); buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) & ICE_AQC_RES_TYPE_M) | alloc_shared); buf->elem[0].e.sw_resp = cpu_to_le16(counter_id); status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, ice_aqc_opc_free_res, NULL); if (status) ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n"); kfree(buf); return status; } /* This is mapping table entry that maps every word within a given protocol * structure to the real byte offset as per the specification of that * protocol header. * for example dst address is 3 words in ethertype header and corresponding * bytes are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8 * IMPORTANT: Every structure part of "ice_prot_hdr" union should have a * matching entry describing its field. This needs to be updated if new * structure is added to that union. */ static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = { { ICE_MAC_OFOS, { 0, 2, 4, 6, 8, 10, 12 } }, { ICE_MAC_IL, { 0, 2, 4, 6, 8, 10, 12 } }, { ICE_ETYPE_OL, { 0 } }, { ICE_ETYPE_IL, { 0 } }, { ICE_VLAN_OFOS, { 2, 0 } }, { ICE_IPV4_OFOS, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } }, { ICE_IPV4_IL, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } }, { ICE_IPV6_OFOS, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38 } }, { ICE_IPV6_IL, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38 } }, { ICE_TCP_IL, { 0, 2 } }, { ICE_UDP_OF, { 0, 2 } }, { ICE_UDP_ILOS, { 0, 2 } }, { ICE_VXLAN, { 8, 10, 12, 14 } }, { ICE_GENEVE, { 8, 10, 12, 14 } }, { ICE_NVGRE, { 0, 2, 4, 6 } }, { ICE_GTP, { 8, 10, 12, 14, 16, 18, 20, 22 } }, { ICE_GTP_NO_PAY, { 8, 10, 12, 14 } }, { ICE_PPPOE, { 0, 2, 4, 6 } }, { ICE_VLAN_EX, { 2, 0 } }, { ICE_VLAN_IN, { 2, 0 } }, }; static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = { { ICE_MAC_OFOS, ICE_MAC_OFOS_HW }, { ICE_MAC_IL, ICE_MAC_IL_HW }, { ICE_ETYPE_OL, ICE_ETYPE_OL_HW }, { ICE_ETYPE_IL, ICE_ETYPE_IL_HW }, { ICE_VLAN_OFOS, ICE_VLAN_OL_HW }, { ICE_IPV4_OFOS, ICE_IPV4_OFOS_HW }, { ICE_IPV4_IL, ICE_IPV4_IL_HW }, { ICE_IPV6_OFOS, ICE_IPV6_OFOS_HW }, { ICE_IPV6_IL, ICE_IPV6_IL_HW }, { ICE_TCP_IL, ICE_TCP_IL_HW }, { ICE_UDP_OF, ICE_UDP_OF_HW }, { ICE_UDP_ILOS, ICE_UDP_ILOS_HW }, { ICE_VXLAN, ICE_UDP_OF_HW }, { ICE_GENEVE, ICE_UDP_OF_HW }, { ICE_NVGRE, ICE_GRE_OF_HW }, { ICE_GTP, ICE_UDP_OF_HW }, { ICE_GTP_NO_PAY, ICE_UDP_ILOS_HW }, { ICE_PPPOE, ICE_PPPOE_HW }, { ICE_VLAN_EX, ICE_VLAN_OF_HW }, { ICE_VLAN_IN, ICE_VLAN_OL_HW }, }; /** * ice_find_recp - find a recipe * @hw: pointer to the hardware structure * @lkup_exts: extension sequence to match * @tun_type: type of recipe tunnel * * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found. */ static u16 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts, enum ice_sw_tunnel_type tun_type) { bool refresh_required = true; struct ice_sw_recipe *recp; u8 i; /* Walk through existing recipes to find a match */ recp = hw->switch_info->recp_list; for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { /* If recipe was not created for this ID, in SW bookkeeping, * check if FW has an entry for this recipe. If the FW has an * entry update it in our SW bookkeeping and continue with the * matching. */ if (!recp[i].recp_created) if (ice_get_recp_frm_fw(hw, hw->switch_info->recp_list, i, &refresh_required)) continue; /* Skip inverse action recipes */ if (recp[i].root_buf && recp[i].root_buf->content.act_ctrl & ICE_AQ_RECIPE_ACT_INV_ACT) continue; /* if number of words we are looking for match */ if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) { struct ice_fv_word *ar = recp[i].lkup_exts.fv_words; struct ice_fv_word *be = lkup_exts->fv_words; u16 *cr = recp[i].lkup_exts.field_mask; u16 *de = lkup_exts->field_mask; bool found = true; u8 pe, qr; /* ar, cr, and qr are related to the recipe words, while * be, de, and pe are related to the lookup words */ for (pe = 0; pe < lkup_exts->n_val_words; pe++) { for (qr = 0; qr < recp[i].lkup_exts.n_val_words; qr++) { if (ar[qr].off == be[pe].off && ar[qr].prot_id == be[pe].prot_id && cr[qr] == de[pe]) /* Found the "pe"th word in the * given recipe */ break; } /* After walking through all the words in the * "i"th recipe if "p"th word was not found then * this recipe is not what we are looking for. * So break out from this loop and try the next * recipe */ if (qr >= recp[i].lkup_exts.n_val_words) { found = false; break; } } /* If for "i"th recipe the found was never set to false * then it means we found our match * Also tun type of recipe needs to be checked */ if (found && recp[i].tun_type == tun_type) return i; /* Return the recipe ID */ } } return ICE_MAX_NUM_RECIPES; } /** * ice_change_proto_id_to_dvm - change proto id in prot_id_tbl * * As protocol id for outer vlan is different in dvm and svm, if dvm is * supported protocol array record for outer vlan has to be modified to * reflect the value proper for DVM. */ void ice_change_proto_id_to_dvm(void) { u8 i; for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++) if (ice_prot_id_tbl[i].type == ICE_VLAN_OFOS && ice_prot_id_tbl[i].protocol_id != ICE_VLAN_OF_HW) ice_prot_id_tbl[i].protocol_id = ICE_VLAN_OF_HW; } /** * ice_prot_type_to_id - get protocol ID from protocol type * @type: protocol type * @id: pointer to variable that will receive the ID * * Returns true if found, false otherwise */ static bool ice_prot_type_to_id(enum ice_protocol_type type, u8 *id) { u8 i; for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++) if (ice_prot_id_tbl[i].type == type) { *id = ice_prot_id_tbl[i].protocol_id; return true; } return false; } /** * ice_fill_valid_words - count valid words * @rule: advanced rule with lookup information * @lkup_exts: byte offset extractions of the words that are valid * * calculate valid words in a lookup rule using mask value */ static u8 ice_fill_valid_words(struct ice_adv_lkup_elem *rule, struct ice_prot_lkup_ext *lkup_exts) { u8 j, word, prot_id, ret_val; if (!ice_prot_type_to_id(rule->type, &prot_id)) return 0; word = lkup_exts->n_val_words; for (j = 0; j < sizeof(rule->m_u) / sizeof(u16); j++) if (((u16 *)&rule->m_u)[j] && rule->type < ARRAY_SIZE(ice_prot_ext)) { /* No more space to accommodate */ if (word >= ICE_MAX_CHAIN_WORDS) return 0; lkup_exts->fv_words[word].off = ice_prot_ext[rule->type].offs[j]; lkup_exts->fv_words[word].prot_id = ice_prot_id_tbl[rule->type].protocol_id; lkup_exts->field_mask[word] = be16_to_cpu(((__force __be16 *)&rule->m_u)[j]); word++; } ret_val = word - lkup_exts->n_val_words; lkup_exts->n_val_words = word; return ret_val; } /** * ice_create_first_fit_recp_def - Create a recipe grouping * @hw: pointer to the hardware structure * @lkup_exts: an array of protocol header extractions * @rg_list: pointer to a list that stores new recipe groups * @recp_cnt: pointer to a variable that stores returned number of recipe groups * * Using first fit algorithm, take all the words that are still not done * and start grouping them in 4-word groups. Each group makes up one * recipe. */ static int ice_create_first_fit_recp_def(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts, struct list_head *rg_list, u8 *recp_cnt) { struct ice_pref_recipe_group *grp = NULL; u8 j; *recp_cnt = 0; /* Walk through every word in the rule to check if it is not done. If so * then this word needs to be part of a new recipe. */ for (j = 0; j < lkup_exts->n_val_words; j++) if (!test_bit(j, lkup_exts->done)) { if (!grp || grp->n_val_pairs == ICE_NUM_WORDS_RECIPE) { struct ice_recp_grp_entry *entry; entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*entry), GFP_KERNEL); if (!entry) return -ENOMEM; list_add(&entry->l_entry, rg_list); grp = &entry->r_group; (*recp_cnt)++; } grp->pairs[grp->n_val_pairs].prot_id = lkup_exts->fv_words[j].prot_id; grp->pairs[grp->n_val_pairs].off = lkup_exts->fv_words[j].off; grp->mask[grp->n_val_pairs] = lkup_exts->field_mask[j]; grp->n_val_pairs++; } return 0; } /** * ice_fill_fv_word_index - fill in the field vector indices for a recipe group * @hw: pointer to the hardware structure * @fv_list: field vector with the extraction sequence information * @rg_list: recipe groupings with protocol-offset pairs * * Helper function to fill in the field vector indices for protocol-offset * pairs. These indexes are then ultimately programmed into a recipe. */ static int ice_fill_fv_word_index(struct ice_hw *hw, struct list_head *fv_list, struct list_head *rg_list) { struct ice_sw_fv_list_entry *fv; struct ice_recp_grp_entry *rg; struct ice_fv_word *fv_ext; if (list_empty(fv_list)) return 0; fv = list_first_entry(fv_list, struct ice_sw_fv_list_entry, list_entry); fv_ext = fv->fv_ptr->ew; list_for_each_entry(rg, rg_list, l_entry) { u8 i; for (i = 0; i < rg->r_group.n_val_pairs; i++) { struct ice_fv_word *pr; bool found = false; u16 mask; u8 j; pr = &rg->r_group.pairs[i]; mask = rg->r_group.mask[i]; for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) if (fv_ext[j].prot_id == pr->prot_id && fv_ext[j].off == pr->off) { found = true; /* Store index of field vector */ rg->fv_idx[i] = j; rg->fv_mask[i] = mask; break; } /* Protocol/offset could not be found, caller gave an * invalid pair */ if (!found) return -EINVAL; } } return 0; } /** * ice_find_free_recp_res_idx - find free result indexes for recipe * @hw: pointer to hardware structure * @profiles: bitmap of profiles that will be associated with the new recipe * @free_idx: pointer to variable to receive the free index bitmap * * The algorithm used here is: * 1. When creating a new recipe, create a set P which contains all * Profiles that will be associated with our new recipe * * 2. For each Profile p in set P: * a. Add all recipes associated with Profile p into set R * b. Optional : PossibleIndexes &= profile[p].possibleIndexes * [initially PossibleIndexes should be 0xFFFFFFFFFFFFFFFF] * i. Or just assume they all have the same possible indexes: * 44, 45, 46, 47 * i.e., PossibleIndexes = 0x0000F00000000000 * * 3. For each Recipe r in set R: * a. UsedIndexes |= (bitwise or ) recipe[r].res_indexes * b. FreeIndexes = UsedIndexes ^ PossibleIndexes * * FreeIndexes will contain the bits indicating the indexes free for use, * then the code needs to update the recipe[r].used_result_idx_bits to * indicate which indexes were selected for use by this recipe. */ static u16 ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles, unsigned long *free_idx) { DECLARE_BITMAP(possible_idx, ICE_MAX_FV_WORDS); DECLARE_BITMAP(recipes, ICE_MAX_NUM_RECIPES); DECLARE_BITMAP(used_idx, ICE_MAX_FV_WORDS); u16 bit; bitmap_zero(recipes, ICE_MAX_NUM_RECIPES); bitmap_zero(used_idx, ICE_MAX_FV_WORDS); bitmap_fill(possible_idx, ICE_MAX_FV_WORDS); /* For each profile we are going to associate the recipe with, add the * recipes that are associated with that profile. This will give us * the set of recipes that our recipe may collide with. Also, determine * what possible result indexes are usable given this set of profiles. */ for_each_set_bit(bit, profiles, ICE_MAX_NUM_PROFILES) { bitmap_or(recipes, recipes, profile_to_recipe[bit], ICE_MAX_NUM_RECIPES); bitmap_and(possible_idx, possible_idx, hw->switch_info->prof_res_bm[bit], ICE_MAX_FV_WORDS); } /* For each recipe that our new recipe may collide with, determine * which indexes have been used. */ for_each_set_bit(bit, recipes, ICE_MAX_NUM_RECIPES) bitmap_or(used_idx, used_idx, hw->switch_info->recp_list[bit].res_idxs, ICE_MAX_FV_WORDS); bitmap_xor(free_idx, used_idx, possible_idx, ICE_MAX_FV_WORDS); /* return number of free indexes */ return (u16)bitmap_weight(free_idx, ICE_MAX_FV_WORDS); } /** * ice_add_sw_recipe - function to call AQ calls to create switch recipe * @hw: pointer to hardware structure * @rm: recipe management list entry * @profiles: bitmap of profiles that will be associated. */ static int ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm, unsigned long *profiles) { DECLARE_BITMAP(result_idx_bm, ICE_MAX_FV_WORDS); struct ice_aqc_recipe_data_elem *tmp; struct ice_aqc_recipe_data_elem *buf; struct ice_recp_grp_entry *entry; u16 free_res_idx; u16 recipe_count; u8 chain_idx; u8 recps = 0; int status; /* When more than one recipe are required, another recipe is needed to * chain them together. Matching a tunnel metadata ID takes up one of * the match fields in the chaining recipe reducing the number of * chained recipes by one. */ /* check number of free result indices */ bitmap_zero(result_idx_bm, ICE_MAX_FV_WORDS); free_res_idx = ice_find_free_recp_res_idx(hw, profiles, result_idx_bm); ice_debug(hw, ICE_DBG_SW, "Result idx slots: %d, need %d\n", free_res_idx, rm->n_grp_count); if (rm->n_grp_count > 1) { if (rm->n_grp_count > free_res_idx) return -ENOSPC; rm->n_grp_count++; } if (rm->n_grp_count > ICE_MAX_CHAIN_RECIPE) return -ENOSPC; tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL); if (!tmp) return -ENOMEM; buf = devm_kcalloc(ice_hw_to_dev(hw), rm->n_grp_count, sizeof(*buf), GFP_KERNEL); if (!buf) { status = -ENOMEM; goto err_mem; } bitmap_zero(rm->r_bitmap, ICE_MAX_NUM_RECIPES); recipe_count = ICE_MAX_NUM_RECIPES; status = ice_aq_get_recipe(hw, tmp, &recipe_count, ICE_SW_LKUP_MAC, NULL); if (status || recipe_count == 0) goto err_unroll; /* Allocate the recipe resources, and configure them according to the * match fields from protocol headers and extracted field vectors. */ chain_idx = find_first_bit(result_idx_bm, ICE_MAX_FV_WORDS); list_for_each_entry(entry, &rm->rg_list, l_entry) { u8 i; status = ice_alloc_recipe(hw, &entry->rid); if (status) goto err_unroll; /* Clear the result index of the located recipe, as this will be * updated, if needed, later in the recipe creation process. */ tmp[0].content.result_indx = 0; buf[recps] = tmp[0]; buf[recps].recipe_indx = (u8)entry->rid; /* if the recipe is a non-root recipe RID should be programmed * as 0 for the rules to be applied correctly. */ buf[recps].content.rid = 0; memset(&buf[recps].content.lkup_indx, 0, sizeof(buf[recps].content.lkup_indx)); /* All recipes use look-up index 0 to match switch ID. */ buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX; buf[recps].content.mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK); /* Setup lkup_indx 1..4 to INVALID/ignore and set the mask * to be 0 */ for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) { buf[recps].content.lkup_indx[i] = 0x80; buf[recps].content.mask[i] = 0; } for (i = 0; i < entry->r_group.n_val_pairs; i++) { buf[recps].content.lkup_indx[i + 1] = entry->fv_idx[i]; buf[recps].content.mask[i + 1] = cpu_to_le16(entry->fv_mask[i]); } if (rm->n_grp_count > 1) { /* Checks to see if there really is a valid result index * that can be used. */ if (chain_idx >= ICE_MAX_FV_WORDS) { ice_debug(hw, ICE_DBG_SW, "No chain index available\n"); status = -ENOSPC; goto err_unroll; } entry->chain_idx = chain_idx; buf[recps].content.result_indx = ICE_AQ_RECIPE_RESULT_EN | ((chain_idx << ICE_AQ_RECIPE_RESULT_DATA_S) & ICE_AQ_RECIPE_RESULT_DATA_M); clear_bit(chain_idx, result_idx_bm); chain_idx = find_first_bit(result_idx_bm, ICE_MAX_FV_WORDS); } /* fill recipe dependencies */ bitmap_zero((unsigned long *)buf[recps].recipe_bitmap, ICE_MAX_NUM_RECIPES); set_bit(buf[recps].recipe_indx, (unsigned long *)buf[recps].recipe_bitmap); buf[recps].content.act_ctrl_fwd_priority = rm->priority; recps++; } if (rm->n_grp_count == 1) { rm->root_rid = buf[0].recipe_indx; set_bit(buf[0].recipe_indx, rm->r_bitmap); buf[0].content.rid = rm->root_rid | ICE_AQ_RECIPE_ID_IS_ROOT; if (sizeof(buf[0].recipe_bitmap) >= sizeof(rm->r_bitmap)) { memcpy(buf[0].recipe_bitmap, rm->r_bitmap, sizeof(buf[0].recipe_bitmap)); } else { status = -EINVAL; goto err_unroll; } /* Applicable only for ROOT_RECIPE, set the fwd_priority for * the recipe which is getting created if specified * by user. Usually any advanced switch filter, which results * into new extraction sequence, ended up creating a new recipe * of type ROOT and usually recipes are associated with profiles * Switch rule referreing newly created recipe, needs to have * either/or 'fwd' or 'join' priority, otherwise switch rule * evaluation will not happen correctly. In other words, if * switch rule to be evaluated on priority basis, then recipe * needs to have priority, otherwise it will be evaluated last. */ buf[0].content.act_ctrl_fwd_priority = rm->priority; } else { struct ice_recp_grp_entry *last_chain_entry; u16 rid, i; /* Allocate the last recipe that will chain the outcomes of the * other recipes together */ status = ice_alloc_recipe(hw, &rid); if (status) goto err_unroll; buf[recps].recipe_indx = (u8)rid; buf[recps].content.rid = (u8)rid; buf[recps].content.rid |= ICE_AQ_RECIPE_ID_IS_ROOT; /* the new entry created should also be part of rg_list to * make sure we have complete recipe */ last_chain_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*last_chain_entry), GFP_KERNEL); if (!last_chain_entry) { status = -ENOMEM; goto err_unroll; } last_chain_entry->rid = rid; memset(&buf[recps].content.lkup_indx, 0, sizeof(buf[recps].content.lkup_indx)); /* All recipes use look-up index 0 to match switch ID. */ buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX; buf[recps].content.mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK); for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) { buf[recps].content.lkup_indx[i] = ICE_AQ_RECIPE_LKUP_IGNORE; buf[recps].content.mask[i] = 0; } i = 1; /* update r_bitmap with the recp that is used for chaining */ set_bit(rid, rm->r_bitmap); /* this is the recipe that chains all the other recipes so it * should not have a chaining ID to indicate the same */ last_chain_entry->chain_idx = ICE_INVAL_CHAIN_IND; list_for_each_entry(entry, &rm->rg_list, l_entry) { last_chain_entry->fv_idx[i] = entry->chain_idx; buf[recps].content.lkup_indx[i] = entry->chain_idx; buf[recps].content.mask[i++] = cpu_to_le16(0xFFFF); set_bit(entry->rid, rm->r_bitmap); } list_add(&last_chain_entry->l_entry, &rm->rg_list); if (sizeof(buf[recps].recipe_bitmap) >= sizeof(rm->r_bitmap)) { memcpy(buf[recps].recipe_bitmap, rm->r_bitmap, sizeof(buf[recps].recipe_bitmap)); } else { status = -EINVAL; goto err_unroll; } buf[recps].content.act_ctrl_fwd_priority = rm->priority; recps++; rm->root_rid = (u8)rid; } status = ice_acquire_change_lock(hw, ICE_RES_WRITE); if (status) goto err_unroll; status = ice_aq_add_recipe(hw, buf, rm->n_grp_count, NULL); ice_release_change_lock(hw); if (status) goto err_unroll; /* Every recipe that just got created add it to the recipe * book keeping list */ list_for_each_entry(entry, &rm->rg_list, l_entry) { struct ice_switch_info *sw = hw->switch_info; bool is_root, idx_found = false; struct ice_sw_recipe *recp; u16 idx, buf_idx = 0; /* find buffer index for copying some data */ for (idx = 0; idx < rm->n_grp_count; idx++) if (buf[idx].recipe_indx == entry->rid) { buf_idx = idx; idx_found = true; } if (!idx_found) { status = -EIO; goto err_unroll; } recp = &sw->recp_list[entry->rid]; is_root = (rm->root_rid == entry->rid); recp->is_root = is_root; recp->root_rid = entry->rid; recp->big_recp = (is_root && rm->n_grp_count > 1); memcpy(&recp->ext_words, entry->r_group.pairs, entry->r_group.n_val_pairs * sizeof(struct ice_fv_word)); memcpy(recp->r_bitmap, buf[buf_idx].recipe_bitmap, sizeof(recp->r_bitmap)); /* Copy non-result fv index values and masks to recipe. This * call will also update the result recipe bitmask. */ ice_collect_result_idx(&buf[buf_idx], recp); /* for non-root recipes, also copy to the root, this allows * easier matching of a complete chained recipe */ if (!is_root) ice_collect_result_idx(&buf[buf_idx], &sw->recp_list[rm->root_rid]); recp->n_ext_words = entry->r_group.n_val_pairs; recp->chain_idx = entry->chain_idx; recp->priority = buf[buf_idx].content.act_ctrl_fwd_priority; recp->n_grp_count = rm->n_grp_count; recp->tun_type = rm->tun_type; recp->recp_created = true; } rm->root_buf = buf; kfree(tmp); return status; err_unroll: err_mem: kfree(tmp); devm_kfree(ice_hw_to_dev(hw), buf); return status; } /** * ice_create_recipe_group - creates recipe group * @hw: pointer to hardware structure * @rm: recipe management list entry * @lkup_exts: lookup elements */ static int ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm, struct ice_prot_lkup_ext *lkup_exts) { u8 recp_count = 0; int status; rm->n_grp_count = 0; /* Create recipes for words that are marked not done by packing them * as best fit. */ status = ice_create_first_fit_recp_def(hw, lkup_exts, &rm->rg_list, &recp_count); if (!status) { rm->n_grp_count += recp_count; rm->n_ext_words = lkup_exts->n_val_words; memcpy(&rm->ext_words, lkup_exts->fv_words, sizeof(rm->ext_words)); memcpy(rm->word_masks, lkup_exts->field_mask, sizeof(rm->word_masks)); } return status; } /** * ice_tun_type_match_word - determine if tun type needs a match mask * @tun_type: tunnel type * @mask: mask to be used for the tunnel */ static bool ice_tun_type_match_word(enum ice_sw_tunnel_type tun_type, u16 *mask) { switch (tun_type) { case ICE_SW_TUN_GENEVE: case ICE_SW_TUN_VXLAN: case ICE_SW_TUN_NVGRE: case ICE_SW_TUN_GTPU: case ICE_SW_TUN_GTPC: *mask = ICE_TUN_FLAG_MASK; return true; default: *mask = 0; return false; } } /** * ice_add_special_words - Add words that are not protocols, such as metadata * @rinfo: other information regarding the rule e.g. priority and action info * @lkup_exts: lookup word structure * @dvm_ena: is double VLAN mode enabled */ static int ice_add_special_words(struct ice_adv_rule_info *rinfo, struct ice_prot_lkup_ext *lkup_exts, bool dvm_ena) { u16 mask; /* If this is a tunneled packet, then add recipe index to match the * tunnel bit in the packet metadata flags. */ if (ice_tun_type_match_word(rinfo->tun_type, &mask)) { if (lkup_exts->n_val_words < ICE_MAX_CHAIN_WORDS) { u8 word = lkup_exts->n_val_words++; lkup_exts->fv_words[word].prot_id = ICE_META_DATA_ID_HW; lkup_exts->fv_words[word].off = ICE_TUN_FLAG_MDID_OFF; lkup_exts->field_mask[word] = mask; } else { return -ENOSPC; } } if (rinfo->vlan_type != 0 && dvm_ena) { if (lkup_exts->n_val_words < ICE_MAX_CHAIN_WORDS) { u8 word = lkup_exts->n_val_words++; lkup_exts->fv_words[word].prot_id = ICE_META_DATA_ID_HW; lkup_exts->fv_words[word].off = ICE_VLAN_FLAG_MDID_OFF; lkup_exts->field_mask[word] = ICE_PKT_FLAGS_0_TO_15_VLAN_FLAGS_MASK; } else { return -ENOSPC; } } return 0; } /* ice_get_compat_fv_bitmap - Get compatible field vector bitmap for rule * @hw: pointer to hardware structure * @rinfo: other information regarding the rule e.g. priority and action info * @bm: pointer to memory for returning the bitmap of field vectors */ static void ice_get_compat_fv_bitmap(struct ice_hw *hw, struct ice_adv_rule_info *rinfo, unsigned long *bm) { enum ice_prof_type prof_type; bitmap_zero(bm, ICE_MAX_NUM_PROFILES); switch (rinfo->tun_type) { case ICE_NON_TUN: prof_type = ICE_PROF_NON_TUN; break; case ICE_ALL_TUNNELS: prof_type = ICE_PROF_TUN_ALL; break; case ICE_SW_TUN_GENEVE: case ICE_SW_TUN_VXLAN: prof_type = ICE_PROF_TUN_UDP; break; case ICE_SW_TUN_NVGRE: prof_type = ICE_PROF_TUN_GRE; break; case ICE_SW_TUN_GTPU: prof_type = ICE_PROF_TUN_GTPU; break; case ICE_SW_TUN_GTPC: prof_type = ICE_PROF_TUN_GTPC; break; case ICE_SW_TUN_AND_NON_TUN: default: prof_type = ICE_PROF_ALL; break; } ice_get_sw_fv_bitmap(hw, prof_type, bm); } /** * ice_add_adv_recipe - Add an advanced recipe that is not part of the default * @hw: pointer to hardware structure * @lkups: lookup elements or match criteria for the advanced recipe, one * structure per protocol header * @lkups_cnt: number of protocols * @rinfo: other information regarding the rule e.g. priority and action info * @rid: return the recipe ID of the recipe created */ static int ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, struct ice_adv_rule_info *rinfo, u16 *rid) { DECLARE_BITMAP(fv_bitmap, ICE_MAX_NUM_PROFILES); DECLARE_BITMAP(profiles, ICE_MAX_NUM_PROFILES); struct ice_prot_lkup_ext *lkup_exts; struct ice_recp_grp_entry *r_entry; struct ice_sw_fv_list_entry *fvit; struct ice_recp_grp_entry *r_tmp; struct ice_sw_fv_list_entry *tmp; struct ice_sw_recipe *rm; int status = 0; u8 i; if (!lkups_cnt) return -EINVAL; lkup_exts = kzalloc(sizeof(*lkup_exts), GFP_KERNEL); if (!lkup_exts) return -ENOMEM; /* Determine the number of words to be matched and if it exceeds a * recipe's restrictions */ for (i = 0; i < lkups_cnt; i++) { u16 count; if (lkups[i].type >= ICE_PROTOCOL_LAST) { status = -EIO; goto err_free_lkup_exts; } count = ice_fill_valid_words(&lkups[i], lkup_exts); if (!count) { status = -EIO; goto err_free_lkup_exts; } } rm = kzalloc(sizeof(*rm), GFP_KERNEL); if (!rm) { status = -ENOMEM; goto err_free_lkup_exts; } /* Get field vectors that contain fields extracted from all the protocol * headers being programmed. */ INIT_LIST_HEAD(&rm->fv_list); INIT_LIST_HEAD(&rm->rg_list); /* Get bitmap of field vectors (profiles) that are compatible with the * rule request; only these will be searched in the subsequent call to * ice_get_sw_fv_list. */ ice_get_compat_fv_bitmap(hw, rinfo, fv_bitmap); status = ice_get_sw_fv_list(hw, lkup_exts, fv_bitmap, &rm->fv_list); if (status) goto err_unroll; /* Create any special protocol/offset pairs, such as looking at tunnel * bits by extracting metadata */ status = ice_add_special_words(rinfo, lkup_exts, ice_is_dvm_ena(hw)); if (status) goto err_free_lkup_exts; /* Group match words into recipes using preferred recipe grouping * criteria. */ status = ice_create_recipe_group(hw, rm, lkup_exts); if (status) goto err_unroll; /* set the recipe priority if specified */ rm->priority = (u8)rinfo->priority; /* Find offsets from the field vector. Pick the first one for all the * recipes. */ status = ice_fill_fv_word_index(hw, &rm->fv_list, &rm->rg_list); if (status) goto err_unroll; /* get bitmap of all profiles the recipe will be associated with */ bitmap_zero(profiles, ICE_MAX_NUM_PROFILES); list_for_each_entry(fvit, &rm->fv_list, list_entry) { ice_debug(hw, ICE_DBG_SW, "profile: %d\n", fvit->profile_id); set_bit((u16)fvit->profile_id, profiles); } /* Look for a recipe which matches our requested fv / mask list */ *rid = ice_find_recp(hw, lkup_exts, rinfo->tun_type); if (*rid < ICE_MAX_NUM_RECIPES) /* Success if found a recipe that match the existing criteria */ goto err_unroll; rm->tun_type = rinfo->tun_type; /* Recipe we need does not exist, add a recipe */ status = ice_add_sw_recipe(hw, rm, profiles); if (status) goto err_unroll; /* Associate all the recipes created with all the profiles in the * common field vector. */ list_for_each_entry(fvit, &rm->fv_list, list_entry) { DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES); u16 j; status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id, (u8 *)r_bitmap, NULL); if (status) goto err_unroll; bitmap_or(r_bitmap, r_bitmap, rm->r_bitmap, ICE_MAX_NUM_RECIPES); status = ice_acquire_change_lock(hw, ICE_RES_WRITE); if (status) goto err_unroll; status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id, (u8 *)r_bitmap, NULL); ice_release_change_lock(hw); if (status) goto err_unroll; /* Update profile to recipe bitmap array */ bitmap_copy(profile_to_recipe[fvit->profile_id], r_bitmap, ICE_MAX_NUM_RECIPES); /* Update recipe to profile bitmap array */ for_each_set_bit(j, rm->r_bitmap, ICE_MAX_NUM_RECIPES) set_bit((u16)fvit->profile_id, recipe_to_profile[j]); } *rid = rm->root_rid; memcpy(&hw->switch_info->recp_list[*rid].lkup_exts, lkup_exts, sizeof(*lkup_exts)); err_unroll: list_for_each_entry_safe(r_entry, r_tmp, &rm->rg_list, l_entry) { list_del(&r_entry->l_entry); devm_kfree(ice_hw_to_dev(hw), r_entry); } list_for_each_entry_safe(fvit, tmp, &rm->fv_list, list_entry) { list_del(&fvit->list_entry); devm_kfree(ice_hw_to_dev(hw), fvit); } if (rm->root_buf) devm_kfree(ice_hw_to_dev(hw), rm->root_buf); kfree(rm); err_free_lkup_exts: kfree(lkup_exts); return status; } /** * ice_dummy_packet_add_vlan - insert VLAN header to dummy pkt * * @dummy_pkt: dummy packet profile pattern to which VLAN tag(s) will be added * @num_vlan: number of VLAN tags */ static struct ice_dummy_pkt_profile * ice_dummy_packet_add_vlan(const struct ice_dummy_pkt_profile *dummy_pkt, u32 num_vlan) { struct ice_dummy_pkt_profile *profile; struct ice_dummy_pkt_offsets *offsets; u32 buf_len, off, etype_off, i; u8 *pkt; if (num_vlan < 1 || num_vlan > 2) return ERR_PTR(-EINVAL); off = num_vlan * VLAN_HLEN; buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet_offsets)) + dummy_pkt->offsets_len; offsets = kzalloc(buf_len, GFP_KERNEL); if (!offsets) return ERR_PTR(-ENOMEM); offsets[0] = dummy_pkt->offsets[0]; if (num_vlan == 2) { offsets[1] = ice_dummy_qinq_packet_offsets[0]; offsets[2] = ice_dummy_qinq_packet_offsets[1]; } else if (num_vlan == 1) { offsets[1] = ice_dummy_vlan_packet_offsets[0]; } for (i = 1; dummy_pkt->offsets[i].type != ICE_PROTOCOL_LAST; i++) { offsets[i + num_vlan].type = dummy_pkt->offsets[i].type; offsets[i + num_vlan].offset = dummy_pkt->offsets[i].offset + off; } offsets[i + num_vlan] = dummy_pkt->offsets[i]; etype_off = dummy_pkt->offsets[1].offset; buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet)) + dummy_pkt->pkt_len; pkt = kzalloc(buf_len, GFP_KERNEL); if (!pkt) { kfree(offsets); return ERR_PTR(-ENOMEM); } memcpy(pkt, dummy_pkt->pkt, etype_off); memcpy(pkt + etype_off, num_vlan == 2 ? ice_dummy_qinq_packet : ice_dummy_vlan_packet, off); memcpy(pkt + etype_off + off, dummy_pkt->pkt + etype_off, dummy_pkt->pkt_len - etype_off); profile = kzalloc(sizeof(*profile), GFP_KERNEL); if (!profile) { kfree(offsets); kfree(pkt); return ERR_PTR(-ENOMEM); } profile->offsets = offsets; profile->pkt = pkt; profile->pkt_len = buf_len; profile->match |= ICE_PKT_KMALLOC; return profile; } /** * ice_find_dummy_packet - find dummy packet * * @lkups: lookup elements or match criteria for the advanced recipe, one * structure per protocol header * @lkups_cnt: number of protocols * @tun_type: tunnel type * * Returns the &ice_dummy_pkt_profile corresponding to these lookup params. */ static const struct ice_dummy_pkt_profile * ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, enum ice_sw_tunnel_type tun_type) { const struct ice_dummy_pkt_profile *ret = ice_dummy_pkt_profiles; u32 match = 0, vlan_count = 0; u16 i; switch (tun_type) { case ICE_SW_TUN_GTPC: match |= ICE_PKT_TUN_GTPC; break; case ICE_SW_TUN_GTPU: match |= ICE_PKT_TUN_GTPU; break; case ICE_SW_TUN_NVGRE: match |= ICE_PKT_TUN_NVGRE; break; case ICE_SW_TUN_GENEVE: case ICE_SW_TUN_VXLAN: match |= ICE_PKT_TUN_UDP; break; default: break; } for (i = 0; i < lkups_cnt; i++) { if (lkups[i].type == ICE_UDP_ILOS) match |= ICE_PKT_INNER_UDP; else if (lkups[i].type == ICE_TCP_IL) match |= ICE_PKT_INNER_TCP; else if (lkups[i].type == ICE_IPV6_OFOS) match |= ICE_PKT_OUTER_IPV6; else if (lkups[i].type == ICE_VLAN_OFOS || lkups[i].type == ICE_VLAN_EX) vlan_count++; else if (lkups[i].type == ICE_VLAN_IN) vlan_count++; else if (lkups[i].type == ICE_ETYPE_OL && lkups[i].h_u.ethertype.ethtype_id == cpu_to_be16(ICE_IPV6_ETHER_ID) && lkups[i].m_u.ethertype.ethtype_id == cpu_to_be16(0xFFFF)) match |= ICE_PKT_OUTER_IPV6; else if (lkups[i].type == ICE_ETYPE_IL && lkups[i].h_u.ethertype.ethtype_id == cpu_to_be16(ICE_IPV6_ETHER_ID) && lkups[i].m_u.ethertype.ethtype_id == cpu_to_be16(0xFFFF)) match |= ICE_PKT_INNER_IPV6; else if (lkups[i].type == ICE_IPV6_IL) match |= ICE_PKT_INNER_IPV6; else if (lkups[i].type == ICE_GTP_NO_PAY) match |= ICE_PKT_GTP_NOPAY; else if (lkups[i].type == ICE_PPPOE) { match |= ICE_PKT_PPPOE; if (lkups[i].h_u.pppoe_hdr.ppp_prot_id == htons(PPP_IPV6)) match |= ICE_PKT_OUTER_IPV6; } } while (ret->match && (match & ret->match) != ret->match) ret++; if (vlan_count != 0) ret = ice_dummy_packet_add_vlan(ret, vlan_count); return ret; } /** * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria * * @lkups: lookup elements or match criteria for the advanced recipe, one * structure per protocol header * @lkups_cnt: number of protocols * @s_rule: stores rule information from the match criteria * @profile: dummy packet profile (the template, its size and header offsets) */ static int ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, struct ice_sw_rule_lkup_rx_tx *s_rule, const struct ice_dummy_pkt_profile *profile) { u8 *pkt; u16 i; /* Start with a packet with a pre-defined/dummy content. Then, fill * in the header values to be looked up or matched. */ pkt = s_rule->hdr_data; memcpy(pkt, profile->pkt, profile->pkt_len); for (i = 0; i < lkups_cnt; i++) { const struct ice_dummy_pkt_offsets *offsets = profile->offsets; enum ice_protocol_type type; u16 offset = 0, len = 0, j; bool found = false; /* find the start of this layer; it should be found since this * was already checked when search for the dummy packet */ type = lkups[i].type; for (j = 0; offsets[j].type != ICE_PROTOCOL_LAST; j++) { if (type == offsets[j].type) { offset = offsets[j].offset; found = true; break; } } /* this should never happen in a correct calling sequence */ if (!found) return -EINVAL; switch (lkups[i].type) { case ICE_MAC_OFOS: case ICE_MAC_IL: len = sizeof(struct ice_ether_hdr); break; case ICE_ETYPE_OL: case ICE_ETYPE_IL: len = sizeof(struct ice_ethtype_hdr); break; case ICE_VLAN_OFOS: case ICE_VLAN_EX: case ICE_VLAN_IN: len = sizeof(struct ice_vlan_hdr); break; case ICE_IPV4_OFOS: case ICE_IPV4_IL: len = sizeof(struct ice_ipv4_hdr); break; case ICE_IPV6_OFOS: case ICE_IPV6_IL: len = sizeof(struct ice_ipv6_hdr); break; case ICE_TCP_IL: case ICE_UDP_OF: case ICE_UDP_ILOS: len = sizeof(struct ice_l4_hdr); break; case ICE_SCTP_IL: len = sizeof(struct ice_sctp_hdr); break; case ICE_NVGRE: len = sizeof(struct ice_nvgre_hdr); break; case ICE_VXLAN: case ICE_GENEVE: len = sizeof(struct ice_udp_tnl_hdr); break; case ICE_GTP_NO_PAY: case ICE_GTP: len = sizeof(struct ice_udp_gtp_hdr); break; case ICE_PPPOE: len = sizeof(struct ice_pppoe_hdr); break; default: return -EINVAL; } /* the length should be a word multiple */ if (len % ICE_BYTES_PER_WORD) return -EIO; /* We have the offset to the header start, the length, the * caller's header values and mask. Use this information to * copy the data into the dummy packet appropriately based on * the mask. Note that we need to only write the bits as * indicated by the mask to make sure we don't improperly write * over any significant packet data. */ for (j = 0; j < len / sizeof(u16); j++) { u16 *ptr = (u16 *)(pkt + offset); u16 mask = lkups[i].m_raw[j]; if (!mask) continue; ptr[j] = (ptr[j] & ~mask) | (lkups[i].h_raw[j] & mask); } } s_rule->hdr_len = cpu_to_le16(profile->pkt_len); return 0; } /** * ice_fill_adv_packet_tun - fill dummy packet with udp tunnel port * @hw: pointer to the hardware structure * @tun_type: tunnel type * @pkt: dummy packet to fill in * @offsets: offset info for the dummy packet */ static int ice_fill_adv_packet_tun(struct ice_hw *hw, enum ice_sw_tunnel_type tun_type, u8 *pkt, const struct ice_dummy_pkt_offsets *offsets) { u16 open_port, i; switch (tun_type) { case ICE_SW_TUN_VXLAN: if (!ice_get_open_tunnel_port(hw, &open_port, TNL_VXLAN)) return -EIO; break; case ICE_SW_TUN_GENEVE: if (!ice_get_open_tunnel_port(hw, &open_port, TNL_GENEVE)) return -EIO; break; default: /* Nothing needs to be done for this tunnel type */ return 0; } /* Find the outer UDP protocol header and insert the port number */ for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) { if (offsets[i].type == ICE_UDP_OF) { struct ice_l4_hdr *hdr; u16 offset; offset = offsets[i].offset; hdr = (struct ice_l4_hdr *)&pkt[offset]; hdr->dst_port = cpu_to_be16(open_port); return 0; } } return -EIO; } /** * ice_fill_adv_packet_vlan - fill dummy packet with VLAN tag type * @vlan_type: VLAN tag type * @pkt: dummy packet to fill in * @offsets: offset info for the dummy packet */ static int ice_fill_adv_packet_vlan(u16 vlan_type, u8 *pkt, const struct ice_dummy_pkt_offsets *offsets) { u16 i; /* Find VLAN header and insert VLAN TPID */ for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) { if (offsets[i].type == ICE_VLAN_OFOS || offsets[i].type == ICE_VLAN_EX) { struct ice_vlan_hdr *hdr; u16 offset; offset = offsets[i].offset; hdr = (struct ice_vlan_hdr *)&pkt[offset]; hdr->type = cpu_to_be16(vlan_type); return 0; } } return -EIO; } /** * ice_find_adv_rule_entry - Search a rule entry * @hw: pointer to the hardware structure * @lkups: lookup elements or match criteria for the advanced recipe, one * structure per protocol header * @lkups_cnt: number of protocols * @recp_id: recipe ID for which we are finding the rule * @rinfo: other information regarding the rule e.g. priority and action info * * Helper function to search for a given advance rule entry * Returns pointer to entry storing the rule if found */ static struct ice_adv_fltr_mgmt_list_entry * ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, u16 recp_id, struct ice_adv_rule_info *rinfo) { struct ice_adv_fltr_mgmt_list_entry *list_itr; struct ice_switch_info *sw = hw->switch_info; int i; list_for_each_entry(list_itr, &sw->recp_list[recp_id].filt_rules, list_entry) { bool lkups_matched = true; if (lkups_cnt != list_itr->lkups_cnt) continue; for (i = 0; i < list_itr->lkups_cnt; i++) if (memcmp(&list_itr->lkups[i], &lkups[i], sizeof(*lkups))) { lkups_matched = false; break; } if (rinfo->sw_act.flag == list_itr->rule_info.sw_act.flag && rinfo->tun_type == list_itr->rule_info.tun_type && rinfo->vlan_type == list_itr->rule_info.vlan_type && lkups_matched) return list_itr; } return NULL; } /** * ice_adv_add_update_vsi_list * @hw: pointer to the hardware structure * @m_entry: pointer to current adv filter management list entry * @cur_fltr: filter information from the book keeping entry * @new_fltr: filter information with the new VSI to be added * * Call AQ command to add or update previously created VSI list with new VSI. * * Helper function to do book keeping associated with adding filter information * The algorithm to do the booking keeping is described below : * When a VSI needs to subscribe to a given advanced filter * if only one VSI has been added till now * Allocate a new VSI list and add two VSIs * to this list using switch rule command * Update the previously created switch rule with the * newly created VSI list ID * if a VSI list was previously created * Add the new VSI to the previously created VSI list set * using the update switch rule command */ static int ice_adv_add_update_vsi_list(struct ice_hw *hw, struct ice_adv_fltr_mgmt_list_entry *m_entry, struct ice_adv_rule_info *cur_fltr, struct ice_adv_rule_info *new_fltr) { u16 vsi_list_id = 0; int status; if (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_Q || cur_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP || cur_fltr->sw_act.fltr_act == ICE_DROP_PACKET) return -EOPNOTSUPP; if ((new_fltr->sw_act.fltr_act == ICE_FWD_TO_Q || new_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP) && (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI || cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI_LIST)) return -EOPNOTSUPP; if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) { /* Only one entry existed in the mapping and it was not already * a part of a VSI list. So, create a VSI list with the old and * new VSIs. */ struct ice_fltr_info tmp_fltr; u16 vsi_handle_arr[2]; /* A rule already exists with the new VSI being added */ if (cur_fltr->sw_act.fwd_id.hw_vsi_id == new_fltr->sw_act.fwd_id.hw_vsi_id) return -EEXIST; vsi_handle_arr[0] = cur_fltr->sw_act.vsi_handle; vsi_handle_arr[1] = new_fltr->sw_act.vsi_handle; status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, &vsi_list_id, ICE_SW_LKUP_LAST); if (status) return status; memset(&tmp_fltr, 0, sizeof(tmp_fltr)); tmp_fltr.flag = m_entry->rule_info.sw_act.flag; tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id; tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; tmp_fltr.lkup_type = ICE_SW_LKUP_LAST; /* Update the previous switch rule of "forward to VSI" to * "fwd to VSI list" */ status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); if (status) return status; cur_fltr->sw_act.fwd_id.vsi_list_id = vsi_list_id; cur_fltr->sw_act.fltr_act = ICE_FWD_TO_VSI_LIST; m_entry->vsi_list_info = ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, vsi_list_id); } else { u16 vsi_handle = new_fltr->sw_act.vsi_handle; if (!m_entry->vsi_list_info) return -EIO; /* A rule already exists with the new VSI being added */ if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map)) return 0; /* Update the previously created VSI list set with * the new VSI ID passed in */ vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id; status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, false, ice_aqc_opc_update_sw_rules, ICE_SW_LKUP_LAST); /* update VSI list mapping info with new VSI ID */ if (!status) set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map); } if (!status) m_entry->vsi_count++; return status; } /** * ice_add_adv_rule - helper function to create an advanced switch rule * @hw: pointer to the hardware structure * @lkups: information on the words that needs to be looked up. All words * together makes one recipe * @lkups_cnt: num of entries in the lkups array * @rinfo: other information related to the rule that needs to be programmed * @added_entry: this will return recipe_id, rule_id and vsi_handle. should be * ignored is case of error. * * This function can program only 1 rule at a time. The lkups is used to * describe the all the words that forms the "lookup" portion of the recipe. * These words can span multiple protocols. Callers to this function need to * pass in a list of protocol headers with lookup information along and mask * that determines which words are valid from the given protocol header. * rinfo describes other information related to this rule such as forwarding * IDs, priority of this rule, etc. */ int ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, struct ice_adv_rule_info *rinfo, struct ice_rule_query_data *added_entry) { struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL; struct ice_sw_rule_lkup_rx_tx *s_rule = NULL; const struct ice_dummy_pkt_profile *profile; u16 rid = 0, i, rule_buf_sz, vsi_handle; struct list_head *rule_head; struct ice_switch_info *sw; u16 word_cnt; u32 act = 0; int status; u8 q_rgn; /* Initialize profile to result index bitmap */ if (!hw->switch_info->prof_res_bm_init) { hw->switch_info->prof_res_bm_init = 1; ice_init_prof_result_bm(hw); } if (!lkups_cnt) return -EINVAL; /* get # of words we need to match */ word_cnt = 0; for (i = 0; i < lkups_cnt; i++) { u16 j; for (j = 0; j < ARRAY_SIZE(lkups->m_raw); j++) if (lkups[i].m_raw[j]) word_cnt++; } if (!word_cnt) return -EINVAL; if (word_cnt > ICE_MAX_CHAIN_WORDS) return -ENOSPC; /* locate a dummy packet */ profile = ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type); if (IS_ERR(profile)) return PTR_ERR(profile); if (!(rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI || rinfo->sw_act.fltr_act == ICE_FWD_TO_Q || rinfo->sw_act.fltr_act == ICE_FWD_TO_QGRP || rinfo->sw_act.fltr_act == ICE_DROP_PACKET)) { status = -EIO; goto free_pkt_profile; } vsi_handle = rinfo->sw_act.vsi_handle; if (!ice_is_vsi_valid(hw, vsi_handle)) { status = -EINVAL; goto free_pkt_profile; } if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI) rinfo->sw_act.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); if (rinfo->sw_act.flag & ICE_FLTR_TX) rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle); status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid); if (status) goto free_pkt_profile; m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo); if (m_entry) { /* we have to add VSI to VSI_LIST and increment vsi_count. * Also Update VSI list so that we can change forwarding rule * if the rule already exists, we will check if it exists with * same vsi_id, if not then add it to the VSI list if it already * exists if not then create a VSI list and add the existing VSI * ID and the new VSI ID to the list * We will add that VSI to the list */ status = ice_adv_add_update_vsi_list(hw, m_entry, &m_entry->rule_info, rinfo); if (added_entry) { added_entry->rid = rid; added_entry->rule_id = m_entry->rule_info.fltr_rule_id; added_entry->vsi_handle = rinfo->sw_act.vsi_handle; } goto free_pkt_profile; } rule_buf_sz = ICE_SW_RULE_RX_TX_HDR_SIZE(s_rule, profile->pkt_len); s_rule = kzalloc(rule_buf_sz, GFP_KERNEL); if (!s_rule) { status = -ENOMEM; goto free_pkt_profile; } if (!rinfo->flags_info.act_valid) { act |= ICE_SINGLE_ACT_LAN_ENABLE; act |= ICE_SINGLE_ACT_LB_ENABLE; } else { act |= rinfo->flags_info.act & (ICE_SINGLE_ACT_LAN_ENABLE | ICE_SINGLE_ACT_LB_ENABLE); } switch (rinfo->sw_act.fltr_act) { case ICE_FWD_TO_VSI: act |= (rinfo->sw_act.fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) & ICE_SINGLE_ACT_VSI_ID_M; act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT; break; case ICE_FWD_TO_Q: act |= ICE_SINGLE_ACT_TO_Q; act |= (rinfo->sw_act.fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & ICE_SINGLE_ACT_Q_INDEX_M; break; case ICE_FWD_TO_QGRP: q_rgn = rinfo->sw_act.qgrp_size > 0 ? (u8)ilog2(rinfo->sw_act.qgrp_size) : 0; act |= ICE_SINGLE_ACT_TO_Q; act |= (rinfo->sw_act.fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & ICE_SINGLE_ACT_Q_INDEX_M; act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) & ICE_SINGLE_ACT_Q_REGION_M; break; case ICE_DROP_PACKET: act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP | ICE_SINGLE_ACT_VALID_BIT; break; default: status = -EIO; goto err_ice_add_adv_rule; } /* set the rule LOOKUP type based on caller specified 'Rx' * instead of hardcoding it to be either LOOKUP_TX/RX * * for 'Rx' set the source to be the port number * for 'Tx' set the source to be the source HW VSI number (determined * by caller) */ if (rinfo->rx) { s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX); s_rule->src = cpu_to_le16(hw->port_info->lport); } else { s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX); s_rule->src = cpu_to_le16(rinfo->sw_act.src); } s_rule->recipe_id = cpu_to_le16(rid); s_rule->act = cpu_to_le32(act); status = ice_fill_adv_dummy_packet(lkups, lkups_cnt, s_rule, profile); if (status) goto err_ice_add_adv_rule; if (rinfo->tun_type != ICE_NON_TUN && rinfo->tun_type != ICE_SW_TUN_AND_NON_TUN) { status = ice_fill_adv_packet_tun(hw, rinfo->tun_type, s_rule->hdr_data, profile->offsets); if (status) goto err_ice_add_adv_rule; } if (rinfo->vlan_type != 0 && ice_is_dvm_ena(hw)) { status = ice_fill_adv_packet_vlan(rinfo->vlan_type, s_rule->hdr_data, profile->offsets); if (status) goto err_ice_add_adv_rule; } status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule, rule_buf_sz, 1, ice_aqc_opc_add_sw_rules, NULL); if (status) goto err_ice_add_adv_rule; adv_fltr = devm_kzalloc(ice_hw_to_dev(hw), sizeof(struct ice_adv_fltr_mgmt_list_entry), GFP_KERNEL); if (!adv_fltr) { status = -ENOMEM; goto err_ice_add_adv_rule; } adv_fltr->lkups = devm_kmemdup(ice_hw_to_dev(hw), lkups, lkups_cnt * sizeof(*lkups), GFP_KERNEL); if (!adv_fltr->lkups) { status = -ENOMEM; goto err_ice_add_adv_rule; } adv_fltr->lkups_cnt = lkups_cnt; adv_fltr->rule_info = *rinfo; adv_fltr->rule_info.fltr_rule_id = le16_to_cpu(s_rule->index); sw = hw->switch_info; sw->recp_list[rid].adv_rule = true; rule_head = &sw->recp_list[rid].filt_rules; if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI) adv_fltr->vsi_count = 1; /* Add rule entry to book keeping list */ list_add(&adv_fltr->list_entry, rule_head); if (added_entry) { added_entry->rid = rid; added_entry->rule_id = adv_fltr->rule_info.fltr_rule_id; added_entry->vsi_handle = rinfo->sw_act.vsi_handle; } err_ice_add_adv_rule: if (status && adv_fltr) { devm_kfree(ice_hw_to_dev(hw), adv_fltr->lkups); devm_kfree(ice_hw_to_dev(hw), adv_fltr); } kfree(s_rule); free_pkt_profile: if (profile->match & ICE_PKT_KMALLOC) { kfree(profile->offsets); kfree(profile->pkt); kfree(profile); } return status; } /** * ice_replay_vsi_fltr - Replay filters for requested VSI * @hw: pointer to the hardware structure * @vsi_handle: driver VSI handle * @recp_id: Recipe ID for which rules need to be replayed * @list_head: list for which filters need to be replayed * * Replays the filter of recipe recp_id for a VSI represented via vsi_handle. * It is required to pass valid VSI handle. */ static int ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id, struct list_head *list_head) { struct ice_fltr_mgmt_list_entry *itr; int status = 0; u16 hw_vsi_id; if (list_empty(list_head)) return status; hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); list_for_each_entry(itr, list_head, list_entry) { struct ice_fltr_list_entry f_entry; f_entry.fltr_info = itr->fltr_info; if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN && itr->fltr_info.vsi_handle == vsi_handle) { /* update the src in case it is VSI num */ if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) f_entry.fltr_info.src = hw_vsi_id; status = ice_add_rule_internal(hw, recp_id, &f_entry); if (status) goto end; continue; } if (!itr->vsi_list_info || !test_bit(vsi_handle, itr->vsi_list_info->vsi_map)) continue; /* Clearing it so that the logic can add it back */ clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); f_entry.fltr_info.vsi_handle = vsi_handle; f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; /* update the src in case it is VSI num */ if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) f_entry.fltr_info.src = hw_vsi_id; if (recp_id == ICE_SW_LKUP_VLAN) status = ice_add_vlan_internal(hw, &f_entry); else status = ice_add_rule_internal(hw, recp_id, &f_entry); if (status) goto end; } end: return status; } /** * ice_adv_rem_update_vsi_list * @hw: pointer to the hardware structure * @vsi_handle: VSI handle of the VSI to remove * @fm_list: filter management entry for which the VSI list management needs to * be done */ static int ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle, struct ice_adv_fltr_mgmt_list_entry *fm_list) { struct ice_vsi_list_map_info *vsi_list_info; enum ice_sw_lkup_type lkup_type; u16 vsi_list_id; int status; if (fm_list->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST || fm_list->vsi_count == 0) return -EINVAL; /* A rule with the VSI being removed does not exist */ if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map)) return -ENOENT; lkup_type = ICE_SW_LKUP_LAST; vsi_list_id = fm_list->rule_info.sw_act.fwd_id.vsi_list_id; status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true, ice_aqc_opc_update_sw_rules, lkup_type); if (status) return status; fm_list->vsi_count--; clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map); vsi_list_info = fm_list->vsi_list_info; if (fm_list->vsi_count == 1) { struct ice_fltr_info tmp_fltr; u16 rem_vsi_handle; rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map, ICE_MAX_VSI); if (!ice_is_vsi_valid(hw, rem_vsi_handle)) return -EIO; /* Make sure VSI list is empty before removing it below */ status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1, vsi_list_id, true, ice_aqc_opc_update_sw_rules, lkup_type); if (status) return status; memset(&tmp_fltr, 0, sizeof(tmp_fltr)); tmp_fltr.flag = fm_list->rule_info.sw_act.flag; tmp_fltr.fltr_rule_id = fm_list->rule_info.fltr_rule_id; fm_list->rule_info.sw_act.fltr_act = ICE_FWD_TO_VSI; tmp_fltr.fltr_act = ICE_FWD_TO_VSI; tmp_fltr.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, rem_vsi_handle); fm_list->rule_info.sw_act.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, rem_vsi_handle); fm_list->rule_info.sw_act.vsi_handle = rem_vsi_handle; /* Update the previous switch rule of "MAC forward to VSI" to * "MAC fwd to VSI list" */ status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); if (status) { ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n", tmp_fltr.fwd_id.hw_vsi_id, status); return status; } fm_list->vsi_list_info->ref_cnt--; /* Remove the VSI list since it is no longer used */ status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type); if (status) { ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n", vsi_list_id, status); return status; } list_del(&vsi_list_info->list_entry); devm_kfree(ice_hw_to_dev(hw), vsi_list_info); fm_list->vsi_list_info = NULL; } return status; } /** * ice_rem_adv_rule - removes existing advanced switch rule * @hw: pointer to the hardware structure * @lkups: information on the words that needs to be looked up. All words * together makes one recipe * @lkups_cnt: num of entries in the lkups array * @rinfo: Its the pointer to the rule information for the rule * * This function can be used to remove 1 rule at a time. The lkups is * used to describe all the words that forms the "lookup" portion of the * rule. These words can span multiple protocols. Callers to this function * need to pass in a list of protocol headers with lookup information along * and mask that determines which words are valid from the given protocol * header. rinfo describes other information related to this rule such as * forwarding IDs, priority of this rule, etc. */ static int ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt, struct ice_adv_rule_info *rinfo) { struct ice_adv_fltr_mgmt_list_entry *list_elem; struct ice_prot_lkup_ext lkup_exts; bool remove_rule = false; struct mutex *rule_lock; /* Lock to protect filter rule list */ u16 i, rid, vsi_handle; int status = 0; memset(&lkup_exts, 0, sizeof(lkup_exts)); for (i = 0; i < lkups_cnt; i++) { u16 count; if (lkups[i].type >= ICE_PROTOCOL_LAST) return -EIO; count = ice_fill_valid_words(&lkups[i], &lkup_exts); if (!count) return -EIO; } /* Create any special protocol/offset pairs, such as looking at tunnel * bits by extracting metadata */ status = ice_add_special_words(rinfo, &lkup_exts, ice_is_dvm_ena(hw)); if (status) return status; rid = ice_find_recp(hw, &lkup_exts, rinfo->tun_type); /* If did not find a recipe that match the existing criteria */ if (rid == ICE_MAX_NUM_RECIPES) return -EINVAL; rule_lock = &hw->switch_info->recp_list[rid].filt_rule_lock; list_elem = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo); /* the rule is already removed */ if (!list_elem) return 0; mutex_lock(rule_lock); if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) { remove_rule = true; } else if (list_elem->vsi_count > 1) { remove_rule = false; vsi_handle = rinfo->sw_act.vsi_handle; status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem); } else { vsi_handle = rinfo->sw_act.vsi_handle; status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem); if (status) { mutex_unlock(rule_lock); return status; } if (list_elem->vsi_count == 0) remove_rule = true; } mutex_unlock(rule_lock); if (remove_rule) { struct ice_sw_rule_lkup_rx_tx *s_rule; u16 rule_buf_sz; rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule); s_rule = kzalloc(rule_buf_sz, GFP_KERNEL); if (!s_rule) return -ENOMEM; s_rule->act = 0; s_rule->index = cpu_to_le16(list_elem->rule_info.fltr_rule_id); s_rule->hdr_len = 0; status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule, rule_buf_sz, 1, ice_aqc_opc_remove_sw_rules, NULL); if (!status || status == -ENOENT) { struct ice_switch_info *sw = hw->switch_info; mutex_lock(rule_lock); list_del(&list_elem->list_entry); devm_kfree(ice_hw_to_dev(hw), list_elem->lkups); devm_kfree(ice_hw_to_dev(hw), list_elem); mutex_unlock(rule_lock); if (list_empty(&sw->recp_list[rid].filt_rules)) sw->recp_list[rid].adv_rule = false; } kfree(s_rule); } return status; } /** * ice_rem_adv_rule_by_id - removes existing advanced switch rule by ID * @hw: pointer to the hardware structure * @remove_entry: data struct which holds rule_id, VSI handle and recipe ID * * This function is used to remove 1 rule at a time. The removal is based on * the remove_entry parameter. This function will remove rule for a given * vsi_handle with a given rule_id which is passed as parameter in remove_entry */ int ice_rem_adv_rule_by_id(struct ice_hw *hw, struct ice_rule_query_data *remove_entry) { struct ice_adv_fltr_mgmt_list_entry *list_itr; struct list_head *list_head; struct ice_adv_rule_info rinfo; struct ice_switch_info *sw; sw = hw->switch_info; if (!sw->recp_list[remove_entry->rid].recp_created) return -EINVAL; list_head = &sw->recp_list[remove_entry->rid].filt_rules; list_for_each_entry(list_itr, list_head, list_entry) { if (list_itr->rule_info.fltr_rule_id == remove_entry->rule_id) { rinfo = list_itr->rule_info; rinfo.sw_act.vsi_handle = remove_entry->vsi_handle; return ice_rem_adv_rule(hw, list_itr->lkups, list_itr->lkups_cnt, &rinfo); } } /* either list is empty or unable to find rule */ return -ENOENT; } /** * ice_rem_adv_rule_for_vsi - removes existing advanced switch rules for a * given VSI handle * @hw: pointer to the hardware structure * @vsi_handle: VSI handle for which we are supposed to remove all the rules. * * This function is used to remove all the rules for a given VSI and as soon * as removing a rule fails, it will return immediately with the error code, * else it will return success. */ int ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle) { struct ice_adv_fltr_mgmt_list_entry *list_itr, *tmp_entry; struct ice_vsi_list_map_info *map_info; struct ice_adv_rule_info rinfo; struct list_head *list_head; struct ice_switch_info *sw; int status; u8 rid; sw = hw->switch_info; for (rid = 0; rid < ICE_MAX_NUM_RECIPES; rid++) { if (!sw->recp_list[rid].recp_created) continue; if (!sw->recp_list[rid].adv_rule) continue; list_head = &sw->recp_list[rid].filt_rules; list_for_each_entry_safe(list_itr, tmp_entry, list_head, list_entry) { rinfo = list_itr->rule_info; if (rinfo.sw_act.fltr_act == ICE_FWD_TO_VSI_LIST) { map_info = list_itr->vsi_list_info; if (!map_info) continue; if (!test_bit(vsi_handle, map_info->vsi_map)) continue; } else if (rinfo.sw_act.vsi_handle != vsi_handle) { continue; } rinfo.sw_act.vsi_handle = vsi_handle; status = ice_rem_adv_rule(hw, list_itr->lkups, list_itr->lkups_cnt, &rinfo); if (status) return status; } } return 0; } /** * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI * @hw: pointer to the hardware structure * @vsi_handle: driver VSI handle * @list_head: list for which filters need to be replayed * * Replay the advanced rule for the given VSI. */ static int ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle, struct list_head *list_head) { struct ice_rule_query_data added_entry = { 0 }; struct ice_adv_fltr_mgmt_list_entry *adv_fltr; int status = 0; if (list_empty(list_head)) return status; list_for_each_entry(adv_fltr, list_head, list_entry) { struct ice_adv_rule_info *rinfo = &adv_fltr->rule_info; u16 lk_cnt = adv_fltr->lkups_cnt; if (vsi_handle != rinfo->sw_act.vsi_handle) continue; status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo, &added_entry); if (status) break; } return status; } /** * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists * @hw: pointer to the hardware structure * @vsi_handle: driver VSI handle * * Replays filters for requested VSI via vsi_handle. */ int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle) { struct ice_switch_info *sw = hw->switch_info; int status; u8 i; for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { struct list_head *head; head = &sw->recp_list[i].filt_replay_rules; if (!sw->recp_list[i].adv_rule) status = ice_replay_vsi_fltr(hw, vsi_handle, i, head); else status = ice_replay_vsi_adv_rule(hw, vsi_handle, head); if (status) return status; } return status; } /** * ice_rm_all_sw_replay_rule_info - deletes filter replay rules * @hw: pointer to the HW struct * * Deletes the filter replay rules. */ void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw) { struct ice_switch_info *sw = hw->switch_info; u8 i; if (!sw) return; for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { if (!list_empty(&sw->recp_list[i].filt_replay_rules)) { struct list_head *l_head; l_head = &sw->recp_list[i].filt_replay_rules; if (!sw->recp_list[i].adv_rule) ice_rem_sw_rule_info(hw, l_head); else ice_rem_adv_rule_info(hw, l_head); } } }
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