| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ido Schimmel | 7629 | 31.07% | 137 | 32.93% |
| Jiri Pirko | 7108 | 28.95% | 92 | 22.12% |
| Petr Machata | 2958 | 12.05% | 63 | 15.14% |
| Amit Cohen | 1927 | 7.85% | 27 | 6.49% |
| Nogah Frankel | 1092 | 4.45% | 18 | 4.33% |
| Yotam Gigi | 1053 | 4.29% | 12 | 2.88% |
| Danielle Ratson | 923 | 3.76% | 13 | 3.12% |
| Arkadi Sharshevsky | 862 | 3.51% | 13 | 3.12% |
| Shalom Toledo | 489 | 1.99% | 11 | 2.64% |
| David Ahern | 166 | 0.68% | 4 | 0.96% |
| Nir Dotan | 135 | 0.55% | 3 | 0.72% |
| Yuval Mintz | 82 | 0.33% | 2 | 0.48% |
| Taehee Yoo | 44 | 0.18% | 1 | 0.24% |
| Vadim Pasternak | 23 | 0.09% | 3 | 0.72% |
| Jarod Wilson | 12 | 0.05% | 1 | 0.24% |
| Jakub Kiciński | 11 | 0.04% | 3 | 0.72% |
| Wei Yongjun | 8 | 0.03% | 2 | 0.48% |
| Elad Raz | 8 | 0.03% | 2 | 0.48% |
| Tal Bar | 6 | 0.02% | 1 | 0.24% |
| Joe Perches | 6 | 0.02% | 2 | 0.48% |
| Or Gerlitz | 3 | 0.01% | 1 | 0.24% |
| Florian Fainelli | 2 | 0.01% | 1 | 0.24% |
| Thomas Gleixner | 2 | 0.01% | 1 | 0.24% |
| Bhumika Goyal | 1 | 0.00% | 1 | 0.24% |
| Arnd Bergmann | 1 | 0.00% | 1 | 0.24% |
| Stephen Hemminger | 1 | 0.00% | 1 | 0.24% |
| Total | 24552 | 416 |
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/slab.h> #include <linux/device.h> #include <linux/skbuff.h> #include <linux/if_vlan.h> #include <linux/if_bridge.h> #include <linux/workqueue.h> #include <linux/jiffies.h> #include <linux/bitops.h> #include <linux/list.h> #include <linux/notifier.h> #include <linux/dcbnl.h> #include <linux/inetdevice.h> #include <linux/netlink.h> #include <linux/jhash.h> #include <linux/log2.h> #include <linux/refcount.h> #include <linux/rhashtable.h> #include <net/switchdev.h> #include <net/pkt_cls.h> #include <net/netevent.h> #include <net/addrconf.h> #include <linux/ptp_classify.h> #include "spectrum.h" #include "pci.h" #include "core.h" #include "core_env.h" #include "reg.h" #include "port.h" #include "trap.h" #include "txheader.h" #include "spectrum_cnt.h" #include "spectrum_dpipe.h" #include "spectrum_acl_flex_actions.h" #include "spectrum_span.h" #include "spectrum_ptp.h" #include "spectrum_trap.h" #define MLXSW_SP_FWREV_MINOR 2010 #define MLXSW_SP_FWREV_SUBMINOR 1006 #define MLXSW_SP1_FWREV_MAJOR 13 #define MLXSW_SP1_FWREV_CAN_RESET_MINOR 1702 static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = { .major = MLXSW_SP1_FWREV_MAJOR, .minor = MLXSW_SP_FWREV_MINOR, .subminor = MLXSW_SP_FWREV_SUBMINOR, .can_reset_minor = MLXSW_SP1_FWREV_CAN_RESET_MINOR, }; #define MLXSW_SP1_FW_FILENAME \ "mellanox/mlxsw_spectrum-" __stringify(MLXSW_SP1_FWREV_MAJOR) \ "." __stringify(MLXSW_SP_FWREV_MINOR) \ "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" #define MLXSW_SP2_FWREV_MAJOR 29 static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = { .major = MLXSW_SP2_FWREV_MAJOR, .minor = MLXSW_SP_FWREV_MINOR, .subminor = MLXSW_SP_FWREV_SUBMINOR, }; #define MLXSW_SP2_FW_FILENAME \ "mellanox/mlxsw_spectrum2-" __stringify(MLXSW_SP2_FWREV_MAJOR) \ "." __stringify(MLXSW_SP_FWREV_MINOR) \ "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" #define MLXSW_SP3_FWREV_MAJOR 30 static const struct mlxsw_fw_rev mlxsw_sp3_fw_rev = { .major = MLXSW_SP3_FWREV_MAJOR, .minor = MLXSW_SP_FWREV_MINOR, .subminor = MLXSW_SP_FWREV_SUBMINOR, }; #define MLXSW_SP3_FW_FILENAME \ "mellanox/mlxsw_spectrum3-" __stringify(MLXSW_SP3_FWREV_MAJOR) \ "." __stringify(MLXSW_SP_FWREV_MINOR) \ "." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2" #define MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME \ "mellanox/lc_ini_bundle_" \ __stringify(MLXSW_SP_FWREV_MINOR) "_" \ __stringify(MLXSW_SP_FWREV_SUBMINOR) ".bin" static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum"; static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2"; static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3"; static const char mlxsw_sp4_driver_name[] = "mlxsw_spectrum4"; static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00 }; static const unsigned char mlxsw_sp2_mac_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00 }; /* tx_hdr_version * Tx header version. * Must be set to 1. */ MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4); /* tx_hdr_ctl * Packet control type. * 0 - Ethernet control (e.g. EMADs, LACP) * 1 - Ethernet data */ MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2); /* tx_hdr_proto * Packet protocol type. Must be set to 1 (Ethernet). */ MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3); /* tx_hdr_rx_is_router * Packet is sent from the router. Valid for data packets only. */ MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1); /* tx_hdr_fid_valid * Indicates if the 'fid' field is valid and should be used for * forwarding lookup. Valid for data packets only. */ MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1); /* tx_hdr_swid * Switch partition ID. Must be set to 0. */ MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3); /* tx_hdr_control_tclass * Indicates if the packet should use the control TClass and not one * of the data TClasses. */ MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1); /* tx_hdr_etclass * Egress TClass to be used on the egress device on the egress port. */ MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4); /* tx_hdr_port_mid * Destination local port for unicast packets. * Destination multicast ID for multicast packets. * * Control packets are directed to a specific egress port, while data * packets are transmitted through the CPU port (0) into the switch partition, * where forwarding rules are applied. */ MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16); /* tx_hdr_fid * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is * set, otherwise calculated based on the packet's VID using VID to FID mapping. * Valid for data packets only. */ MLXSW_ITEM32(tx, hdr, fid, 0x08, 16, 16); /* tx_hdr_type * 0 - Data packets * 6 - Control packets */ MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4); int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index, u64 *packets, u64 *bytes) { char mgpc_pl[MLXSW_REG_MGPC_LEN]; int err; mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_NOP, MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); if (err) return err; if (packets) *packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl); if (bytes) *bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl); return 0; } static int mlxsw_sp_flow_counter_clear(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index) { char mgpc_pl[MLXSW_REG_MGPC_LEN]; mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_CLEAR, MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); } int mlxsw_sp_flow_counter_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int *p_counter_index) { int err; err = mlxsw_sp_counter_alloc(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, p_counter_index); if (err) return err; err = mlxsw_sp_flow_counter_clear(mlxsw_sp, *p_counter_index); if (err) goto err_counter_clear; return 0; err_counter_clear: mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, *p_counter_index); return err; } void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index) { mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, counter_index); } void mlxsw_sp_txhdr_construct(struct sk_buff *skb, const struct mlxsw_tx_info *tx_info) { char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN); memset(txhdr, 0, MLXSW_TXHDR_LEN); mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL); mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); mlxsw_tx_hdr_swid_set(txhdr, 0); mlxsw_tx_hdr_control_tclass_set(txhdr, 1); mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port); mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL); } int mlxsw_sp_txhdr_ptp_data_construct(struct mlxsw_core *mlxsw_core, struct mlxsw_sp_port *mlxsw_sp_port, struct sk_buff *skb, const struct mlxsw_tx_info *tx_info) { char *txhdr; u16 max_fid; int err; if (skb_cow_head(skb, MLXSW_TXHDR_LEN)) { err = -ENOMEM; goto err_skb_cow_head; } if (!MLXSW_CORE_RES_VALID(mlxsw_core, FID)) { err = -EIO; goto err_res_valid; } max_fid = MLXSW_CORE_RES_GET(mlxsw_core, FID); txhdr = skb_push(skb, MLXSW_TXHDR_LEN); memset(txhdr, 0, MLXSW_TXHDR_LEN); mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); mlxsw_tx_hdr_rx_is_router_set(txhdr, true); mlxsw_tx_hdr_fid_valid_set(txhdr, true); mlxsw_tx_hdr_fid_set(txhdr, max_fid + tx_info->local_port - 1); mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_DATA); return 0; err_res_valid: err_skb_cow_head: this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); dev_kfree_skb_any(skb); return err; } static bool mlxsw_sp_skb_requires_ts(struct sk_buff *skb) { unsigned int type; if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) return false; type = ptp_classify_raw(skb); return !!ptp_parse_header(skb, type); } static int mlxsw_sp_txhdr_handle(struct mlxsw_core *mlxsw_core, struct mlxsw_sp_port *mlxsw_sp_port, struct sk_buff *skb, const struct mlxsw_tx_info *tx_info) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); /* In Spectrum-2 and Spectrum-3, PTP events that require a time stamp * need special handling and cannot be transmitted as regular control * packets. */ if (unlikely(mlxsw_sp_skb_requires_ts(skb))) return mlxsw_sp->ptp_ops->txhdr_construct(mlxsw_core, mlxsw_sp_port, skb, tx_info); if (skb_cow_head(skb, MLXSW_TXHDR_LEN)) { this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); dev_kfree_skb_any(skb); return -ENOMEM; } mlxsw_sp_txhdr_construct(skb, tx_info); return 0; } enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state) { switch (state) { case BR_STATE_FORWARDING: return MLXSW_REG_SPMS_STATE_FORWARDING; case BR_STATE_LEARNING: return MLXSW_REG_SPMS_STATE_LEARNING; case BR_STATE_LISTENING: case BR_STATE_DISABLED: case BR_STATE_BLOCKING: return MLXSW_REG_SPMS_STATE_DISCARDING; default: BUG(); } } int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, u8 state) { enum mlxsw_reg_spms_state spms_state = mlxsw_sp_stp_spms_state(state); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char *spms_pl; int err; spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); if (!spms_pl) return -ENOMEM; mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); kfree(spms_pl); return err; } static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp) { char spad_pl[MLXSW_REG_SPAD_LEN] = {0}; int err; err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl); if (err) return err; mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac); return 0; } int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, bool is_up) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char paos_pl[MLXSW_REG_PAOS_LEN]; mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port, is_up ? MLXSW_PORT_ADMIN_STATUS_UP : MLXSW_PORT_ADMIN_STATUS_DOWN); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl); } static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port, const unsigned char *addr) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char ppad_pl[MLXSW_REG_PPAD_LEN]; mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port); mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl); } static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; eth_hw_addr_gen(mlxsw_sp_port->dev, mlxsw_sp->base_mac, mlxsw_sp_port->local_port); return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, mlxsw_sp_port->dev->dev_addr); } static int mlxsw_sp_port_max_mtu_get(struct mlxsw_sp_port *mlxsw_sp_port, int *p_max_mtu) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmtu_pl[MLXSW_REG_PMTU_LEN]; int err; mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); if (err) return err; *p_max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl); return 0; } static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmtu_pl[MLXSW_REG_PMTU_LEN]; mtu += MLXSW_TXHDR_LEN + ETH_HLEN; if (mtu > mlxsw_sp_port->max_mtu) return -EINVAL; mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); } static int mlxsw_sp_port_swid_set(struct mlxsw_sp *mlxsw_sp, u16 local_port, u8 swid) { char pspa_pl[MLXSW_REG_PSPA_LEN]; mlxsw_reg_pspa_pack(pspa_pl, swid, local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl); } int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char svpe_pl[MLXSW_REG_SVPE_LEN]; mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl); } int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, bool learn_enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char *spvmlr_pl; int err; spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL); if (!spvmlr_pl) return -ENOMEM; mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid, learn_enable); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl); kfree(spvmlr_pl); return err; } int mlxsw_sp_port_security_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spfsr_pl[MLXSW_REG_SPFSR_LEN]; int err; if (mlxsw_sp_port->security == enable) return 0; mlxsw_reg_spfsr_pack(spfsr_pl, mlxsw_sp_port->local_port, enable); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spfsr), spfsr_pl); if (err) return err; mlxsw_sp_port->security = enable; return 0; } int mlxsw_sp_ethtype_to_sver_type(u16 ethtype, u8 *p_sver_type) { switch (ethtype) { case ETH_P_8021Q: *p_sver_type = 0; break; case ETH_P_8021AD: *p_sver_type = 1; break; default: return -EINVAL; } return 0; } int mlxsw_sp_port_egress_ethtype_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 ethtype) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spevet_pl[MLXSW_REG_SPEVET_LEN]; u8 sver_type; int err; err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type); if (err) return err; mlxsw_reg_spevet_pack(spevet_pl, mlxsw_sp_port->local_port, sver_type); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spevet), spevet_pl); } static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, u16 ethtype) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spvid_pl[MLXSW_REG_SPVID_LEN]; u8 sver_type; int err; err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type); if (err) return err; mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid, sver_type); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); } static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port, bool allow) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spaft_pl[MLXSW_REG_SPAFT_LEN]; mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl); } int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, u16 ethtype) { int err; if (!vid) { err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false); if (err) return err; } else { err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid, ethtype); if (err) return err; err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, true); if (err) goto err_port_allow_untagged_set; } mlxsw_sp_port->pvid = vid; return 0; err_port_allow_untagged_set: __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid, ethtype); return err; } static int mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char sspr_pl[MLXSW_REG_SSPR_LEN]; mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl); } static int mlxsw_sp_port_module_info_parse(struct mlxsw_sp *mlxsw_sp, u16 local_port, char *pmlp_pl, struct mlxsw_sp_port_mapping *port_mapping) { bool separate_rxtx; u8 first_lane; u8 slot_index; u8 module; u8 width; int i; module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); slot_index = mlxsw_reg_pmlp_slot_index_get(pmlp_pl, 0); width = mlxsw_reg_pmlp_width_get(pmlp_pl); separate_rxtx = mlxsw_reg_pmlp_rxtx_get(pmlp_pl); first_lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); if (width && !is_power_of_2(width)) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: width value is not power of 2\n", local_port); return -EINVAL; } for (i = 0; i < width; i++) { if (mlxsw_reg_pmlp_module_get(pmlp_pl, i) != module) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple modules\n", local_port); return -EINVAL; } if (mlxsw_reg_pmlp_slot_index_get(pmlp_pl, i) != slot_index) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple slot indexes\n", local_port); return -EINVAL; } if (separate_rxtx && mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != mlxsw_reg_pmlp_rx_lane_get(pmlp_pl, i)) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are different\n", local_port); return -EINVAL; } if (mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != i + first_lane) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are not sequential\n", local_port); return -EINVAL; } } port_mapping->module = module; port_mapping->slot_index = slot_index; port_mapping->width = width; port_mapping->module_width = width; port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); return 0; } static int mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u16 local_port, struct mlxsw_sp_port_mapping *port_mapping) { char pmlp_pl[MLXSW_REG_PMLP_LEN]; int err; mlxsw_reg_pmlp_pack(pmlp_pl, local_port); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); if (err) return err; return mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port, pmlp_pl, port_mapping); } static int mlxsw_sp_port_module_map(struct mlxsw_sp *mlxsw_sp, u16 local_port, const struct mlxsw_sp_port_mapping *port_mapping) { char pmlp_pl[MLXSW_REG_PMLP_LEN]; int i, err; mlxsw_env_module_port_map(mlxsw_sp->core, port_mapping->slot_index, port_mapping->module); mlxsw_reg_pmlp_pack(pmlp_pl, local_port); mlxsw_reg_pmlp_width_set(pmlp_pl, port_mapping->width); for (i = 0; i < port_mapping->width; i++) { mlxsw_reg_pmlp_slot_index_set(pmlp_pl, i, port_mapping->slot_index); mlxsw_reg_pmlp_module_set(pmlp_pl, i, port_mapping->module); mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, port_mapping->lane + i); /* Rx & Tx */ } err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); if (err) goto err_pmlp_write; return 0; err_pmlp_write: mlxsw_env_module_port_unmap(mlxsw_sp->core, port_mapping->slot_index, port_mapping->module); return err; } static void mlxsw_sp_port_module_unmap(struct mlxsw_sp *mlxsw_sp, u16 local_port, u8 slot_index, u8 module) { char pmlp_pl[MLXSW_REG_PMLP_LEN]; mlxsw_reg_pmlp_pack(pmlp_pl, local_port); mlxsw_reg_pmlp_width_set(pmlp_pl, 0); mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); mlxsw_env_module_port_unmap(mlxsw_sp->core, slot_index, module); } static int mlxsw_sp_port_open(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; int err; err = mlxsw_env_module_port_up(mlxsw_sp->core, mlxsw_sp_port->mapping.slot_index, mlxsw_sp_port->mapping.module); if (err) return err; err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); if (err) goto err_port_admin_status_set; netif_start_queue(dev); return 0; err_port_admin_status_set: mlxsw_env_module_port_down(mlxsw_sp->core, mlxsw_sp_port->mapping.slot_index, mlxsw_sp_port->mapping.module); return err; } static int mlxsw_sp_port_stop(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; netif_stop_queue(dev); mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); mlxsw_env_module_port_down(mlxsw_sp->core, mlxsw_sp_port->mapping.slot_index, mlxsw_sp_port->mapping.module); return 0; } static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_port_pcpu_stats *pcpu_stats; const struct mlxsw_tx_info tx_info = { .local_port = mlxsw_sp_port->local_port, .is_emad = false, }; u64 len; int err; memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb)); if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info)) return NETDEV_TX_BUSY; if (eth_skb_pad(skb)) { this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); return NETDEV_TX_OK; } err = mlxsw_sp_txhdr_handle(mlxsw_sp->core, mlxsw_sp_port, skb, &tx_info); if (err) return NETDEV_TX_OK; /* TX header is consumed by HW on the way so we shouldn't count its * bytes as being sent. */ len = skb->len - MLXSW_TXHDR_LEN; /* Due to a race we might fail here because of a full queue. In that * unlikely case we simply drop the packet. */ err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info); if (!err) { pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); u64_stats_update_begin(&pcpu_stats->syncp); pcpu_stats->tx_packets++; pcpu_stats->tx_bytes += len; u64_stats_update_end(&pcpu_stats->syncp); } else { this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); dev_kfree_skb_any(skb); } return NETDEV_TX_OK; } static void mlxsw_sp_set_rx_mode(struct net_device *dev) { } static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct sockaddr *addr = p; int err; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data); if (err) return err; eth_hw_addr_set(dev, addr->sa_data); return 0; } static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_hdroom orig_hdroom; struct mlxsw_sp_hdroom hdroom; int err; orig_hdroom = *mlxsw_sp_port->hdroom; hdroom = orig_hdroom; hdroom.mtu = mtu; mlxsw_sp_hdroom_bufs_reset_sizes(mlxsw_sp_port, &hdroom); err = mlxsw_sp_hdroom_configure(mlxsw_sp_port, &hdroom); if (err) { netdev_err(dev, "Failed to configure port's headroom\n"); return err; } err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu); if (err) goto err_port_mtu_set; dev->mtu = mtu; return 0; err_port_mtu_set: mlxsw_sp_hdroom_configure(mlxsw_sp_port, &orig_hdroom); return err; } static int mlxsw_sp_port_get_sw_stats64(const struct net_device *dev, struct rtnl_link_stats64 *stats) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_port_pcpu_stats *p; u64 rx_packets, rx_bytes, tx_packets, tx_bytes; u32 tx_dropped = 0; unsigned int start; int i; for_each_possible_cpu(i) { p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i); do { start = u64_stats_fetch_begin(&p->syncp); rx_packets = p->rx_packets; rx_bytes = p->rx_bytes; tx_packets = p->tx_packets; tx_bytes = p->tx_bytes; } while (u64_stats_fetch_retry(&p->syncp, start)); stats->rx_packets += rx_packets; stats->rx_bytes += rx_bytes; stats->tx_packets += tx_packets; stats->tx_bytes += tx_bytes; /* tx_dropped is u32, updated without syncp protection. */ tx_dropped += p->tx_dropped; } stats->tx_dropped = tx_dropped; return 0; } static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id) { switch (attr_id) { case IFLA_OFFLOAD_XSTATS_CPU_HIT: return true; } return false; } static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev, void *sp) { switch (attr_id) { case IFLA_OFFLOAD_XSTATS_CPU_HIT: return mlxsw_sp_port_get_sw_stats64(dev, sp); } return -EINVAL; } int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, int prio, char *ppcnt_pl) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port, grp, prio); return mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl); } static int mlxsw_sp_port_get_hw_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) { char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; int err; err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0, ppcnt_pl); if (err) goto out; stats->tx_packets = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl); stats->rx_packets = mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl); stats->tx_bytes = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl); stats->rx_bytes = mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl); stats->multicast = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl); stats->rx_crc_errors = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl); stats->rx_frame_errors = mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl); stats->rx_length_errors = ( mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl) + mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl) + mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl)); stats->rx_errors = (stats->rx_crc_errors + stats->rx_frame_errors + stats->rx_length_errors); out: return err; } static void mlxsw_sp_port_get_hw_xstats(struct net_device *dev, struct mlxsw_sp_port_xstats *xstats) { char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; int err, i; err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_EXT_CNT, 0, ppcnt_pl); if (!err) xstats->ecn = mlxsw_reg_ppcnt_ecn_marked_get(ppcnt_pl); for (i = 0; i < TC_MAX_QUEUE; i++) { err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CONG_CNT, i, ppcnt_pl); if (err) goto tc_cnt; xstats->wred_drop[i] = mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl); xstats->tc_ecn[i] = mlxsw_reg_ppcnt_ecn_marked_tc_get(ppcnt_pl); tc_cnt: err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CNT, i, ppcnt_pl); if (err) continue; xstats->backlog[i] = mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl); xstats->tail_drop[i] = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl); } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT, i, ppcnt_pl); if (err) continue; xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl); xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl); } } static void update_stats_cache(struct work_struct *work) { struct mlxsw_sp_port *mlxsw_sp_port = container_of(work, struct mlxsw_sp_port, periodic_hw_stats.update_dw.work); if (!netif_carrier_ok(mlxsw_sp_port->dev)) /* Note: mlxsw_sp_port_down_wipe_counters() clears the cache as * necessary when port goes down. */ goto out; mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev, &mlxsw_sp_port->periodic_hw_stats.stats); mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev, &mlxsw_sp_port->periodic_hw_stats.xstats); out: mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, MLXSW_HW_STATS_UPDATE_TIME); } /* Return the stats from a cache that is updated periodically, * as this function might get called in an atomic context. */ static void mlxsw_sp_port_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats)); } static int __mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, u16 vid_end, bool is_member, bool untagged) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char *spvm_pl; int err; spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL); if (!spvm_pl) return -ENOMEM; mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port, vid_begin, vid_end, is_member, untagged); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl); kfree(spvm_pl); return err; } int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, u16 vid_end, bool is_member, bool untagged) { u16 vid, vid_e; int err; for (vid = vid_begin; vid <= vid_end; vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), vid_end); err = __mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, is_member, untagged); if (err) return err; } return 0; } static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port, bool flush_default) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp; list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp, &mlxsw_sp_port->vlans_list, list) { if (!flush_default && mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID) continue; mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); } } static void mlxsw_sp_port_vlan_cleanup(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) { if (mlxsw_sp_port_vlan->bridge_port) mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); else if (mlxsw_sp_port_vlan->fid) mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); } struct mlxsw_sp_port_vlan * mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; bool untagged = vid == MLXSW_SP_DEFAULT_VID; int err; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); if (mlxsw_sp_port_vlan) return ERR_PTR(-EEXIST); err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged); if (err) return ERR_PTR(err); mlxsw_sp_port_vlan = kzalloc(sizeof(*mlxsw_sp_port_vlan), GFP_KERNEL); if (!mlxsw_sp_port_vlan) { err = -ENOMEM; goto err_port_vlan_alloc; } mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port; mlxsw_sp_port_vlan->vid = vid; list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list); return mlxsw_sp_port_vlan; err_port_vlan_alloc: mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); return ERR_PTR(err); } void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) { struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; u16 vid = mlxsw_sp_port_vlan->vid; mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan); list_del(&mlxsw_sp_port_vlan->list); kfree(mlxsw_sp_port_vlan); mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); } static int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, u16 vid) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); /* VLAN 0 is added to HW filter when device goes up, but it is * reserved in our case, so simply return. */ if (!vid) return 0; return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid)); } int mlxsw_sp_port_kill_vid(struct net_device *dev, __be16 __always_unused proto, u16 vid) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; /* VLAN 0 is removed from HW filter when device goes down, but * it is reserved in our case, so simply return. */ if (!vid) return 0; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); if (!mlxsw_sp_port_vlan) return 0; mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); return 0; } static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port, struct flow_block_offload *f) { switch (f->binder_type) { case FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS: return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, true); case FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS: return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, false); case FLOW_BLOCK_BINDER_TYPE_RED_EARLY_DROP: return mlxsw_sp_setup_tc_block_qevent_early_drop(mlxsw_sp_port, f); case FLOW_BLOCK_BINDER_TYPE_RED_MARK: return mlxsw_sp_setup_tc_block_qevent_mark(mlxsw_sp_port, f); default: return -EOPNOTSUPP; } } static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); switch (type) { case TC_SETUP_BLOCK: return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data); case TC_SETUP_QDISC_RED: return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data); case TC_SETUP_QDISC_PRIO: return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data); case TC_SETUP_QDISC_ETS: return mlxsw_sp_setup_tc_ets(mlxsw_sp_port, type_data); case TC_SETUP_QDISC_TBF: return mlxsw_sp_setup_tc_tbf(mlxsw_sp_port, type_data); case TC_SETUP_QDISC_FIFO: return mlxsw_sp_setup_tc_fifo(mlxsw_sp_port, type_data); default: return -EOPNOTSUPP; } } static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); if (!enable) { if (mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) || mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block)) { netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n"); return -EINVAL; } mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->ing_flow_block); mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->eg_flow_block); } else { mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->ing_flow_block); mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->eg_flow_block); } return 0; } static int mlxsw_sp_feature_loopback(struct net_device *dev, bool enable) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); char pplr_pl[MLXSW_REG_PPLR_LEN]; int err; if (netif_running(dev)) mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); mlxsw_reg_pplr_pack(pplr_pl, mlxsw_sp_port->local_port, enable); err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pplr), pplr_pl); if (netif_running(dev)) mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); return err; } typedef int (*mlxsw_sp_feature_handler)(struct net_device *dev, bool enable); static int mlxsw_sp_handle_feature(struct net_device *dev, netdev_features_t wanted_features, netdev_features_t feature, mlxsw_sp_feature_handler feature_handler) { netdev_features_t changes = wanted_features ^ dev->features; bool enable = !!(wanted_features & feature); int err; if (!(changes & feature)) return 0; err = feature_handler(dev, enable); if (err) { netdev_err(dev, "%s feature %pNF failed, err %d\n", enable ? "Enable" : "Disable", &feature, err); return err; } if (enable) dev->features |= feature; else dev->features &= ~feature; return 0; } static int mlxsw_sp_set_features(struct net_device *dev, netdev_features_t features) { netdev_features_t oper_features = dev->features; int err = 0; err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC, mlxsw_sp_feature_hw_tc); err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK, mlxsw_sp_feature_loopback); if (err) { dev->features = oper_features; return -EINVAL; } return 0; } static int mlxsw_sp_port_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port, struct ifreq *ifr) { struct hwtstamp_config config; int err; if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) return -EFAULT; err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config); if (err) return err; if (copy_to_user(ifr->ifr_data, &config, sizeof(config))) return -EFAULT; return 0; } static int mlxsw_sp_port_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port, struct ifreq *ifr) { struct hwtstamp_config config; int err; err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_get(mlxsw_sp_port, &config); if (err) return err; if (copy_to_user(ifr->ifr_data, &config, sizeof(config))) return -EFAULT; return 0; } static inline void mlxsw_sp_port_ptp_clear(struct mlxsw_sp_port *mlxsw_sp_port) { struct hwtstamp_config config = {0}; mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config); } static int mlxsw_sp_port_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); switch (cmd) { case SIOCSHWTSTAMP: return mlxsw_sp_port_hwtstamp_set(mlxsw_sp_port, ifr); case SIOCGHWTSTAMP: return mlxsw_sp_port_hwtstamp_get(mlxsw_sp_port, ifr); default: return -EOPNOTSUPP; } } static const struct net_device_ops mlxsw_sp_port_netdev_ops = { .ndo_open = mlxsw_sp_port_open, .ndo_stop = mlxsw_sp_port_stop, .ndo_start_xmit = mlxsw_sp_port_xmit, .ndo_setup_tc = mlxsw_sp_setup_tc, .ndo_set_rx_mode = mlxsw_sp_set_rx_mode, .ndo_set_mac_address = mlxsw_sp_port_set_mac_address, .ndo_change_mtu = mlxsw_sp_port_change_mtu, .ndo_get_stats64 = mlxsw_sp_port_get_stats64, .ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats, .ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats, .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid, .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid, .ndo_set_features = mlxsw_sp_set_features, .ndo_eth_ioctl = mlxsw_sp_port_ioctl, }; static int mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u32 eth_proto_cap, eth_proto_admin, eth_proto_oper; const struct mlxsw_sp_port_type_speed_ops *ops; char ptys_pl[MLXSW_REG_PTYS_LEN]; u32 eth_proto_cap_masked; int err; ops = mlxsw_sp->port_type_speed_ops; /* Set advertised speeds to speeds supported by both the driver * and the device. */ ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, 0, false); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); if (err) return err; ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, ð_proto_admin, ð_proto_oper); eth_proto_cap_masked = ops->ptys_proto_cap_masked_get(eth_proto_cap); ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, eth_proto_cap_masked, mlxsw_sp_port->link.autoneg); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); } int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed) { const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops; struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char ptys_pl[MLXSW_REG_PTYS_LEN]; u32 eth_proto_oper; int err; port_type_speed_ops = mlxsw_sp->port_type_speed_ops; port_type_speed_ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port, 0, false); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); if (err) return err; port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL, ð_proto_oper); *speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper); return 0; } int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, bool dwrr, u8 dwrr_weight) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qeec_pl[MLXSW_REG_QEEC_LEN]; mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, next_index); mlxsw_reg_qeec_de_set(qeec_pl, true); mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr); mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); } int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, u32 maxrate, u8 burst_size) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qeec_pl[MLXSW_REG_QEEC_LEN]; mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, next_index); mlxsw_reg_qeec_mase_set(qeec_pl, true); mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate); mlxsw_reg_qeec_max_shaper_bs_set(qeec_pl, burst_size); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); } static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, u32 minrate) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qeec_pl[MLXSW_REG_QEEC_LEN]; mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, next_index); mlxsw_reg_qeec_mise_set(qeec_pl, true); mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); } int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 switch_prio, u8 tclass) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qtct_pl[MLXSW_REG_QTCT_LEN]; mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio, tclass); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl); } static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) { int err, i; /* Setup the elements hierarcy, so that each TC is linked to * one subgroup, which are all member in the same group. */ err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_GROUP, 0, 0, false, 0); if (err) return err; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_SUBGROUP, i, 0, false, 0); if (err) return err; } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_TC, i, i, false, 0); if (err) return err; err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_TC, i + 8, i, true, 100); if (err) return err; } /* Make sure the max shaper is disabled in all hierarchies that support * it. Note that this disables ptps (PTP shaper), but that is intended * for the initial configuration. */ err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_PORT, 0, 0, MLXSW_REG_QEEC_MAS_DIS, 0); if (err) return err; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_SUBGROUP, i, 0, MLXSW_REG_QEEC_MAS_DIS, 0); if (err) return err; } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_TC, i, i, MLXSW_REG_QEEC_MAS_DIS, 0); if (err) return err; err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_TC, i + 8, i, MLXSW_REG_QEEC_MAS_DIS, 0); if (err) return err; } /* Configure the min shaper for multicast TCs. */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port, MLXSW_REG_QEEC_HR_TC, i + 8, i, MLXSW_REG_QEEC_MIS_MIN); if (err) return err; } /* Map all priorities to traffic class 0. */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0); if (err) return err; } return 0; } static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qtctm_pl[MLXSW_REG_QTCTM_LEN]; mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl); } static int mlxsw_sp_port_overheat_init_val_set(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u8 slot_index = mlxsw_sp_port->mapping.slot_index; u8 module = mlxsw_sp_port->mapping.module; u64 overheat_counter; int err; err = mlxsw_env_module_overheat_counter_get(mlxsw_sp->core, slot_index, module, &overheat_counter); if (err) return err; mlxsw_sp_port->module_overheat_initial_val = overheat_counter; return 0; } int mlxsw_sp_port_vlan_classification_set(struct mlxsw_sp_port *mlxsw_sp_port, bool is_8021ad_tagged, bool is_8021q_tagged) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spvc_pl[MLXSW_REG_SPVC_LEN]; mlxsw_reg_spvc_pack(spvc_pl, mlxsw_sp_port->local_port, is_8021ad_tagged, is_8021q_tagged); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvc), spvc_pl); } static int mlxsw_sp_port_label_info_get(struct mlxsw_sp *mlxsw_sp, u16 local_port, u8 *port_number, u8 *split_port_subnumber, u8 *slot_index) { char pllp_pl[MLXSW_REG_PLLP_LEN]; int err; mlxsw_reg_pllp_pack(pllp_pl, local_port); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pllp), pllp_pl); if (err) return err; mlxsw_reg_pllp_unpack(pllp_pl, port_number, split_port_subnumber, slot_index); return 0; } static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u16 local_port, bool split, struct mlxsw_sp_port_mapping *port_mapping) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; struct mlxsw_sp_port *mlxsw_sp_port; u32 lanes = port_mapping->width; u8 split_port_subnumber; struct net_device *dev; u8 port_number; u8 slot_index; bool splittable; int err; err = mlxsw_sp_port_module_map(mlxsw_sp, local_port, port_mapping); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n", local_port); return err; } err = mlxsw_sp_port_swid_set(mlxsw_sp, local_port, 0); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", local_port); goto err_port_swid_set; } err = mlxsw_sp_port_label_info_get(mlxsw_sp, local_port, &port_number, &split_port_subnumber, &slot_index); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get port label information\n", local_port); goto err_port_label_info_get; } splittable = lanes > 1 && !split; err = mlxsw_core_port_init(mlxsw_sp->core, local_port, slot_index, port_number, split, split_port_subnumber, splittable, lanes, mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac)); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n", local_port); goto err_core_port_init; } dev = alloc_etherdev(sizeof(struct mlxsw_sp_port)); if (!dev) { err = -ENOMEM; goto err_alloc_etherdev; } SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev); dev_net_set(dev, mlxsw_sp_net(mlxsw_sp)); mlxsw_sp_port = netdev_priv(dev); mlxsw_core_port_netdev_link(mlxsw_sp->core, local_port, mlxsw_sp_port, dev); mlxsw_sp_port->dev = dev; mlxsw_sp_port->mlxsw_sp = mlxsw_sp; mlxsw_sp_port->local_port = local_port; mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID; mlxsw_sp_port->split = split; mlxsw_sp_port->mapping = *port_mapping; mlxsw_sp_port->link.autoneg = 1; INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list); mlxsw_sp_port->pcpu_stats = netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats); if (!mlxsw_sp_port->pcpu_stats) { err = -ENOMEM; goto err_alloc_stats; } INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw, &update_stats_cache); dev->netdev_ops = &mlxsw_sp_port_netdev_ops; dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", mlxsw_sp_port->local_port); goto err_dev_addr_init; } netif_carrier_off(dev); dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC; dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK; dev->min_mtu = 0; dev->max_mtu = ETH_MAX_MTU; /* Each packet needs to have a Tx header (metadata) on top all other * headers. */ dev->needed_headroom = MLXSW_TXHDR_LEN; err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n", mlxsw_sp_port->local_port); goto err_port_system_port_mapping_set; } err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", mlxsw_sp_port->local_port); goto err_port_speed_by_width_set; } err = mlxsw_sp->port_type_speed_ops->ptys_max_speed(mlxsw_sp_port, &mlxsw_sp_port->max_speed); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get maximum speed\n", mlxsw_sp_port->local_port); goto err_max_speed_get; } err = mlxsw_sp_port_max_mtu_get(mlxsw_sp_port, &mlxsw_sp_port->max_mtu); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get maximum MTU\n", mlxsw_sp_port->local_port); goto err_port_max_mtu_get; } err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n", mlxsw_sp_port->local_port); goto err_port_mtu_set; } err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); if (err) goto err_port_admin_status_set; err = mlxsw_sp_port_buffers_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n", mlxsw_sp_port->local_port); goto err_port_buffers_init; } err = mlxsw_sp_port_ets_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n", mlxsw_sp_port->local_port); goto err_port_ets_init; } err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n", mlxsw_sp_port->local_port); goto err_port_tc_mc_mode; } /* ETS and buffers must be initialized before DCB. */ err = mlxsw_sp_port_dcb_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n", mlxsw_sp_port->local_port); goto err_port_dcb_init; } err = mlxsw_sp_port_fids_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n", mlxsw_sp_port->local_port); goto err_port_fids_init; } err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n", mlxsw_sp_port->local_port); goto err_port_qdiscs_init; } err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 0, VLAN_N_VID - 1, false, false); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to clear VLAN filter\n", mlxsw_sp_port->local_port); goto err_port_vlan_clear; } err = mlxsw_sp_port_nve_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n", mlxsw_sp_port->local_port); goto err_port_nve_init; } err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID, ETH_P_8021Q); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n", mlxsw_sp_port->local_port); goto err_port_pvid_set; } mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID); if (IS_ERR(mlxsw_sp_port_vlan)) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n", mlxsw_sp_port->local_port); err = PTR_ERR(mlxsw_sp_port_vlan); goto err_port_vlan_create; } mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan; /* Set SPVC.et0=true and SPVC.et1=false to make the local port to treat * only packets with 802.1q header as tagged packets. */ err = mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, false, true); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set default VLAN classification\n", local_port); goto err_port_vlan_classification_set; } INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw, mlxsw_sp->ptp_ops->shaper_work); mlxsw_sp->ports[local_port] = mlxsw_sp_port; err = mlxsw_sp_port_overheat_init_val_set(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set overheat initial value\n", mlxsw_sp_port->local_port); goto err_port_overheat_init_val_set; } err = register_netdev(dev); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n", mlxsw_sp_port->local_port); goto err_register_netdev; } mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0); return 0; err_register_netdev: err_port_overheat_init_val_set: mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true); err_port_vlan_classification_set: mlxsw_sp->ports[local_port] = NULL; mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); err_port_vlan_create: err_port_pvid_set: mlxsw_sp_port_nve_fini(mlxsw_sp_port); err_port_nve_init: err_port_vlan_clear: mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); err_port_qdiscs_init: mlxsw_sp_port_fids_fini(mlxsw_sp_port); err_port_fids_init: mlxsw_sp_port_dcb_fini(mlxsw_sp_port); err_port_dcb_init: mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); err_port_tc_mc_mode: err_port_ets_init: mlxsw_sp_port_buffers_fini(mlxsw_sp_port); err_port_buffers_init: err_port_admin_status_set: err_port_mtu_set: err_port_max_mtu_get: err_max_speed_get: err_port_speed_by_width_set: err_port_system_port_mapping_set: err_dev_addr_init: free_percpu(mlxsw_sp_port->pcpu_stats); err_alloc_stats: free_netdev(dev); err_alloc_etherdev: mlxsw_core_port_fini(mlxsw_sp->core, local_port); err_core_port_init: err_port_label_info_get: mlxsw_sp_port_swid_set(mlxsw_sp, local_port, MLXSW_PORT_SWID_DISABLED_PORT); err_port_swid_set: mlxsw_sp_port_module_unmap(mlxsw_sp, local_port, port_mapping->slot_index, port_mapping->module); return err; } static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u16 local_port) { struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; u8 slot_index = mlxsw_sp_port->mapping.slot_index; u8 module = mlxsw_sp_port->mapping.module; cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw); cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw); unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */ mlxsw_sp_port_ptp_clear(mlxsw_sp_port); mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true); mlxsw_sp->ports[local_port] = NULL; mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true); mlxsw_sp_port_nve_fini(mlxsw_sp_port); mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); mlxsw_sp_port_fids_fini(mlxsw_sp_port); mlxsw_sp_port_dcb_fini(mlxsw_sp_port); mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); mlxsw_sp_port_buffers_fini(mlxsw_sp_port); free_percpu(mlxsw_sp_port->pcpu_stats); WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list)); free_netdev(mlxsw_sp_port->dev); mlxsw_core_port_fini(mlxsw_sp->core, local_port); mlxsw_sp_port_swid_set(mlxsw_sp, local_port, MLXSW_PORT_SWID_DISABLED_PORT); mlxsw_sp_port_module_unmap(mlxsw_sp, local_port, slot_index, module); } static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp) { struct mlxsw_sp_port *mlxsw_sp_port; int err; mlxsw_sp_port = kzalloc(sizeof(*mlxsw_sp_port), GFP_KERNEL); if (!mlxsw_sp_port) return -ENOMEM; mlxsw_sp_port->mlxsw_sp = mlxsw_sp; mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT; err = mlxsw_core_cpu_port_init(mlxsw_sp->core, mlxsw_sp_port, mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac)); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n"); goto err_core_cpu_port_init; } mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port; return 0; err_core_cpu_port_init: kfree(mlxsw_sp_port); return err; } static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp) { struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[MLXSW_PORT_CPU_PORT]; mlxsw_core_cpu_port_fini(mlxsw_sp->core); mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL; kfree(mlxsw_sp_port); } static bool mlxsw_sp_local_port_valid(u16 local_port) { return local_port != MLXSW_PORT_CPU_PORT; } static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u16 local_port) { if (!mlxsw_sp_local_port_valid(local_port)) return false; return mlxsw_sp->ports[local_port] != NULL; } static int mlxsw_sp_port_mapping_event_set(struct mlxsw_sp *mlxsw_sp, u16 local_port, bool enable) { char pmecr_pl[MLXSW_REG_PMECR_LEN]; mlxsw_reg_pmecr_pack(pmecr_pl, local_port, enable ? MLXSW_REG_PMECR_E_GENERATE_EVENT : MLXSW_REG_PMECR_E_DO_NOT_GENERATE_EVENT); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmecr), pmecr_pl); } struct mlxsw_sp_port_mapping_event { struct list_head list; char pmlp_pl[MLXSW_REG_PMLP_LEN]; }; static void mlxsw_sp_port_mapping_events_work(struct work_struct *work) { struct mlxsw_sp_port_mapping_event *event, *next_event; struct mlxsw_sp_port_mapping_events *events; struct mlxsw_sp_port_mapping port_mapping; struct mlxsw_sp *mlxsw_sp; struct devlink *devlink; LIST_HEAD(event_queue); u16 local_port; int err; events = container_of(work, struct mlxsw_sp_port_mapping_events, work); mlxsw_sp = container_of(events, struct mlxsw_sp, port_mapping_events); devlink = priv_to_devlink(mlxsw_sp->core); spin_lock_bh(&events->queue_lock); list_splice_init(&events->queue, &event_queue); spin_unlock_bh(&events->queue_lock); list_for_each_entry_safe(event, next_event, &event_queue, list) { local_port = mlxsw_reg_pmlp_local_port_get(event->pmlp_pl); err = mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port, event->pmlp_pl, &port_mapping); if (err) goto out; if (WARN_ON_ONCE(!port_mapping.width)) goto out; devl_lock(devlink); if (!mlxsw_sp_port_created(mlxsw_sp, local_port)) mlxsw_sp_port_create(mlxsw_sp, local_port, false, &port_mapping); else WARN_ON_ONCE(1); devl_unlock(devlink); mlxsw_sp->port_mapping[local_port] = port_mapping; out: kfree(event); } } static void mlxsw_sp_port_mapping_listener_func(const struct mlxsw_reg_info *reg, char *pmlp_pl, void *priv) { struct mlxsw_sp_port_mapping_events *events; struct mlxsw_sp_port_mapping_event *event; struct mlxsw_sp *mlxsw_sp = priv; u16 local_port; local_port = mlxsw_reg_pmlp_local_port_get(pmlp_pl); if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port))) return; events = &mlxsw_sp->port_mapping_events; event = kmalloc(sizeof(*event), GFP_ATOMIC); if (!event) return; memcpy(event->pmlp_pl, pmlp_pl, sizeof(event->pmlp_pl)); spin_lock(&events->queue_lock); list_add_tail(&event->list, &events->queue); spin_unlock(&events->queue_lock); mlxsw_core_schedule_work(&events->work); } static void __mlxsw_sp_port_mapping_events_cancel(struct mlxsw_sp *mlxsw_sp) { struct mlxsw_sp_port_mapping_event *event, *next_event; struct mlxsw_sp_port_mapping_events *events; events = &mlxsw_sp->port_mapping_events; /* Caller needs to make sure that no new event is going to appear. */ cancel_work_sync(&events->work); list_for_each_entry_safe(event, next_event, &events->queue, list) { list_del(&event->list); kfree(event); } } static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp) { unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); int i; for (i = 1; i < max_ports; i++) mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false); /* Make sure all scheduled events are processed */ __mlxsw_sp_port_mapping_events_cancel(mlxsw_sp); for (i = 1; i < max_ports; i++) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); mlxsw_sp_cpu_port_remove(mlxsw_sp); kfree(mlxsw_sp->ports); mlxsw_sp->ports = NULL; } static void mlxsw_sp_ports_remove_selected(struct mlxsw_core *mlxsw_core, bool (*selector)(void *priv, u16 local_port), void *priv) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); unsigned int max_ports = mlxsw_core_max_ports(mlxsw_core); int i; for (i = 1; i < max_ports; i++) if (mlxsw_sp_port_created(mlxsw_sp, i) && selector(priv, i)) mlxsw_sp_port_remove(mlxsw_sp, i); } static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) { unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); struct mlxsw_sp_port_mapping_events *events; struct mlxsw_sp_port_mapping *port_mapping; size_t alloc_size; int i; int err; alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports; mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL); if (!mlxsw_sp->ports) return -ENOMEM; events = &mlxsw_sp->port_mapping_events; INIT_LIST_HEAD(&events->queue); spin_lock_init(&events->queue_lock); INIT_WORK(&events->work, mlxsw_sp_port_mapping_events_work); for (i = 1; i < max_ports; i++) { err = mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, true); if (err) goto err_event_enable; } err = mlxsw_sp_cpu_port_create(mlxsw_sp); if (err) goto err_cpu_port_create; for (i = 1; i < max_ports; i++) { port_mapping = &mlxsw_sp->port_mapping[i]; if (!port_mapping->width) continue; err = mlxsw_sp_port_create(mlxsw_sp, i, false, port_mapping); if (err) goto err_port_create; } return 0; err_port_create: for (i--; i >= 1; i--) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); i = max_ports; mlxsw_sp_cpu_port_remove(mlxsw_sp); err_cpu_port_create: err_event_enable: for (i--; i >= 1; i--) mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false); /* Make sure all scheduled events are processed */ __mlxsw_sp_port_mapping_events_cancel(mlxsw_sp); kfree(mlxsw_sp->ports); mlxsw_sp->ports = NULL; return err; } static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp) { unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); struct mlxsw_sp_port_mapping *port_mapping; int i; int err; mlxsw_sp->port_mapping = kcalloc(max_ports, sizeof(struct mlxsw_sp_port_mapping), GFP_KERNEL); if (!mlxsw_sp->port_mapping) return -ENOMEM; for (i = 1; i < max_ports; i++) { port_mapping = &mlxsw_sp->port_mapping[i]; err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, port_mapping); if (err) goto err_port_module_info_get; } return 0; err_port_module_info_get: kfree(mlxsw_sp->port_mapping); return err; } static void mlxsw_sp_port_module_info_fini(struct mlxsw_sp *mlxsw_sp) { kfree(mlxsw_sp->port_mapping); } static int mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_port_mapping *port_mapping, unsigned int count, const char *pmtdb_pl) { struct mlxsw_sp_port_mapping split_port_mapping; int err, i; split_port_mapping = *port_mapping; split_port_mapping.width /= count; for (i = 0; i < count; i++) { u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); if (!mlxsw_sp_local_port_valid(s_local_port)) continue; err = mlxsw_sp_port_create(mlxsw_sp, s_local_port, true, &split_port_mapping); if (err) goto err_port_create; split_port_mapping.lane += split_port_mapping.width; } return 0; err_port_create: for (i--; i >= 0; i--) { u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) mlxsw_sp_port_remove(mlxsw_sp, s_local_port); } return err; } static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp, unsigned int count, const char *pmtdb_pl) { struct mlxsw_sp_port_mapping *port_mapping; int i; /* Go over original unsplit ports in the gap and recreate them. */ for (i = 0; i < count; i++) { u16 local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); port_mapping = &mlxsw_sp->port_mapping[local_port]; if (!port_mapping->width || !mlxsw_sp_local_port_valid(local_port)) continue; mlxsw_sp_port_create(mlxsw_sp, local_port, false, port_mapping); } } static struct mlxsw_sp_port * mlxsw_sp_port_get_by_local_port(struct mlxsw_sp *mlxsw_sp, u16 local_port) { if (mlxsw_sp->ports && mlxsw_sp->ports[local_port]) return mlxsw_sp->ports[local_port]; return NULL; } static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u16 local_port, unsigned int count, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); struct mlxsw_sp_port_mapping port_mapping; struct mlxsw_sp_port *mlxsw_sp_port; enum mlxsw_reg_pmtdb_status status; char pmtdb_pl[MLXSW_REG_PMTDB_LEN]; int i; int err; mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port); if (!mlxsw_sp_port) { dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", local_port); NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); return -EINVAL; } if (mlxsw_sp_port->split) { NL_SET_ERR_MSG_MOD(extack, "Port is already split"); return -EINVAL; } mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index, mlxsw_sp_port->mapping.module, mlxsw_sp_port->mapping.module_width / count, count); err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl); if (err) { NL_SET_ERR_MSG_MOD(extack, "Failed to query split info"); return err; } status = mlxsw_reg_pmtdb_status_get(pmtdb_pl); if (status != MLXSW_REG_PMTDB_STATUS_SUCCESS) { NL_SET_ERR_MSG_MOD(extack, "Unsupported split configuration"); return -EINVAL; } port_mapping = mlxsw_sp_port->mapping; for (i = 0; i < count; i++) { u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) mlxsw_sp_port_remove(mlxsw_sp, s_local_port); } err = mlxsw_sp_port_split_create(mlxsw_sp, &port_mapping, count, pmtdb_pl); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n"); goto err_port_split_create; } return 0; err_port_split_create: mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl); return err; } static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u16 local_port, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); struct mlxsw_sp_port *mlxsw_sp_port; char pmtdb_pl[MLXSW_REG_PMTDB_LEN]; unsigned int count; int i; int err; mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port); if (!mlxsw_sp_port) { dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", local_port); NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); return -EINVAL; } if (!mlxsw_sp_port->split) { NL_SET_ERR_MSG_MOD(extack, "Port was not split"); return -EINVAL; } count = mlxsw_sp_port->mapping.module_width / mlxsw_sp_port->mapping.width; mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index, mlxsw_sp_port->mapping.module, mlxsw_sp_port->mapping.module_width / count, count); err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl); if (err) { NL_SET_ERR_MSG_MOD(extack, "Failed to query split info"); return err; } for (i = 0; i < count; i++) { u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i); if (mlxsw_sp_port_created(mlxsw_sp, s_local_port)) mlxsw_sp_port_remove(mlxsw_sp, s_local_port); } mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl); return 0; } static void mlxsw_sp_port_down_wipe_counters(struct mlxsw_sp_port *mlxsw_sp_port) { int i; for (i = 0; i < TC_MAX_QUEUE; i++) mlxsw_sp_port->periodic_hw_stats.xstats.backlog[i] = 0; } static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, char *pude_pl, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; struct mlxsw_sp_port *mlxsw_sp_port; enum mlxsw_reg_pude_oper_status status; u16 local_port; local_port = mlxsw_reg_pude_local_port_get(pude_pl); if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port))) return; mlxsw_sp_port = mlxsw_sp->ports[local_port]; if (!mlxsw_sp_port) return; status = mlxsw_reg_pude_oper_status_get(pude_pl); if (status == MLXSW_PORT_OPER_STATUS_UP) { netdev_info(mlxsw_sp_port->dev, "link up\n"); netif_carrier_on(mlxsw_sp_port->dev); mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0); } else { netdev_info(mlxsw_sp_port->dev, "link down\n"); netif_carrier_off(mlxsw_sp_port->dev); mlxsw_sp_port_down_wipe_counters(mlxsw_sp_port); } } static void mlxsw_sp1_ptp_fifo_event_func(struct mlxsw_sp *mlxsw_sp, char *mtpptr_pl, bool ingress) { u16 local_port; u8 num_rec; int i; local_port = mlxsw_reg_mtpptr_local_port_get(mtpptr_pl); num_rec = mlxsw_reg_mtpptr_num_rec_get(mtpptr_pl); for (i = 0; i < num_rec; i++) { u8 domain_number; u8 message_type; u16 sequence_id; u64 timestamp; mlxsw_reg_mtpptr_unpack(mtpptr_pl, i, &message_type, &domain_number, &sequence_id, ×tamp); mlxsw_sp1_ptp_got_timestamp(mlxsw_sp, ingress, local_port, message_type, domain_number, sequence_id, timestamp); } } static void mlxsw_sp1_ptp_ing_fifo_event_func(const struct mlxsw_reg_info *reg, char *mtpptr_pl, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, true); } static void mlxsw_sp1_ptp_egr_fifo_event_func(const struct mlxsw_reg_info *reg, char *mtpptr_pl, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, false); } void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb, u16 local_port, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; struct mlxsw_sp_port_pcpu_stats *pcpu_stats; if (unlikely(!mlxsw_sp_port)) { dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n", local_port); return; } skb->dev = mlxsw_sp_port->dev; pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); u64_stats_update_begin(&pcpu_stats->syncp); pcpu_stats->rx_packets++; pcpu_stats->rx_bytes += skb->len; u64_stats_update_end(&pcpu_stats->syncp); skb->protocol = eth_type_trans(skb, skb->dev); netif_receive_skb(skb); } static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u16 local_port, void *priv) { skb->offload_fwd_mark = 1; return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); } static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb, u16 local_port, void *priv) { skb->offload_l3_fwd_mark = 1; skb->offload_fwd_mark = 1; return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); } void mlxsw_sp_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, u16 local_port) { mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port); } #define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \ _is_ctrl, SP_##_trap_group, DISCARD) #define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \ _is_ctrl, SP_##_trap_group, DISCARD) #define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action, \ _is_ctrl, SP_##_trap_group, DISCARD) #define MLXSW_SP_EVENTL(_func, _trap_id) \ MLXSW_EVENTL(_func, _trap_id, SP_EVENT) static const struct mlxsw_listener mlxsw_sp_listener[] = { /* Events */ MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE), /* L2 traps */ MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, FID_MISS, false), /* L3 traps */ MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD, ROUTER_EXP, false), MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD, ROUTER_EXP, false), MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD, ROUTER_EXP, false), MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD, ROUTER_EXP, false), /* Multicast Router Traps */ MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false), MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false), /* NVE traps */ MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, NEIGH_DISCOVERY, false), }; static const struct mlxsw_listener mlxsw_sp1_listener[] = { /* Events */ MLXSW_EVENTL(mlxsw_sp1_ptp_egr_fifo_event_func, PTP_EGR_FIFO, SP_PTP0), MLXSW_EVENTL(mlxsw_sp1_ptp_ing_fifo_event_func, PTP_ING_FIFO, SP_PTP0), }; static const struct mlxsw_listener mlxsw_sp2_listener[] = { /* Events */ MLXSW_SP_EVENTL(mlxsw_sp_port_mapping_listener_func, PMLPE), }; static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); char qpcr_pl[MLXSW_REG_QPCR_LEN]; enum mlxsw_reg_qpcr_ir_units ir_units; int max_cpu_policers; bool is_bytes; u8 burst_size; u32 rate; int i, err; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS)) return -EIO; max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); ir_units = MLXSW_REG_QPCR_IR_UNITS_M; for (i = 0; i < max_cpu_policers; i++) { is_bytes = false; switch (i) { case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS: rate = 1024; burst_size = 7; break; default: continue; } __set_bit(i, mlxsw_sp->trap->policers_usage); mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate, burst_size); err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl); if (err) return err; } return 0; } static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core) { char htgt_pl[MLXSW_REG_HTGT_LEN]; enum mlxsw_reg_htgt_trap_group i; int max_cpu_policers; int max_trap_groups; u8 priority, tc; u16 policer_id; int err; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS)) return -EIO; max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS); max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); for (i = 0; i < max_trap_groups; i++) { policer_id = i; switch (i) { case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS: priority = 1; tc = 1; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT: priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY; tc = MLXSW_REG_HTGT_DEFAULT_TC; policer_id = MLXSW_REG_HTGT_INVALID_POLICER; break; default: continue; } if (max_cpu_policers <= policer_id && policer_id != MLXSW_REG_HTGT_INVALID_POLICER) return -EIO; mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc); err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl); if (err) return err; } return 0; } static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) { struct mlxsw_sp_trap *trap; u64 max_policers; int err; if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_CPU_POLICERS)) return -EIO; max_policers = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_CPU_POLICERS); trap = kzalloc(struct_size(trap, policers_usage, BITS_TO_LONGS(max_policers)), GFP_KERNEL); if (!trap) return -ENOMEM; trap->max_policers = max_policers; mlxsw_sp->trap = trap; err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core); if (err) goto err_cpu_policers_set; err = mlxsw_sp_trap_groups_set(mlxsw_sp->core); if (err) goto err_trap_groups_set; err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp_listener, ARRAY_SIZE(mlxsw_sp_listener), mlxsw_sp); if (err) goto err_traps_register; err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp->listeners, mlxsw_sp->listeners_count, mlxsw_sp); if (err) goto err_extra_traps_init; return 0; err_extra_traps_init: mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener, ARRAY_SIZE(mlxsw_sp_listener), mlxsw_sp); err_traps_register: err_trap_groups_set: err_cpu_policers_set: kfree(trap); return err; } static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) { mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp->listeners, mlxsw_sp->listeners_count, mlxsw_sp); mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener, ARRAY_SIZE(mlxsw_sp_listener), mlxsw_sp); kfree(mlxsw_sp->trap); } static int mlxsw_sp_lag_pgt_init(struct mlxsw_sp *mlxsw_sp) { char sgcr_pl[MLXSW_REG_SGCR_LEN]; u16 max_lag; int err; if (mlxsw_core_lag_mode(mlxsw_sp->core) != MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_SW) return 0; err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); if (err) return err; /* In DDD mode, which we by default use, each LAG entry is 8 PGT * entries. The LAG table address needs to be 8-aligned, but that ought * to be the case, since the LAG table is allocated first. */ err = mlxsw_sp_pgt_mid_alloc_range(mlxsw_sp, &mlxsw_sp->lag_pgt_base, max_lag * 8); if (err) return err; if (WARN_ON_ONCE(mlxsw_sp->lag_pgt_base % 8)) { err = -EINVAL; goto err_mid_alloc_range; } mlxsw_reg_sgcr_pack(sgcr_pl, mlxsw_sp->lag_pgt_base); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sgcr), sgcr_pl); if (err) goto err_mid_alloc_range; return 0; err_mid_alloc_range: mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mlxsw_sp->lag_pgt_base, max_lag * 8); return err; } static void mlxsw_sp_lag_pgt_fini(struct mlxsw_sp *mlxsw_sp) { u16 max_lag; int err; if (mlxsw_core_lag_mode(mlxsw_sp->core) != MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_SW) return; err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); if (err) return; mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mlxsw_sp->lag_pgt_base, max_lag * 8); } #define MLXSW_SP_LAG_SEED_INIT 0xcafecafe static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) { char slcr_pl[MLXSW_REG_SLCR_LEN]; u16 max_lag; u32 seed; int err; seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac), MLXSW_SP_LAG_SEED_INIT); mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC | MLXSW_REG_SLCR_LAG_HASH_DMAC | MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE | MLXSW_REG_SLCR_LAG_HASH_VLANID | MLXSW_REG_SLCR_LAG_HASH_SIP | MLXSW_REG_SLCR_LAG_HASH_DIP | MLXSW_REG_SLCR_LAG_HASH_SPORT | MLXSW_REG_SLCR_LAG_HASH_DPORT | MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl); if (err) return err; err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); if (err) return err; if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) return -EIO; err = mlxsw_sp_lag_pgt_init(mlxsw_sp); if (err) return err; mlxsw_sp->lags = kcalloc(max_lag, sizeof(struct mlxsw_sp_upper), GFP_KERNEL); if (!mlxsw_sp->lags) { err = -ENOMEM; goto err_kcalloc; } return 0; err_kcalloc: mlxsw_sp_lag_pgt_fini(mlxsw_sp); return err; } static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp) { mlxsw_sp_lag_pgt_fini(mlxsw_sp); kfree(mlxsw_sp->lags); } static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = { .clock_init = mlxsw_sp1_ptp_clock_init, .clock_fini = mlxsw_sp1_ptp_clock_fini, .init = mlxsw_sp1_ptp_init, .fini = mlxsw_sp1_ptp_fini, .receive = mlxsw_sp1_ptp_receive, .transmitted = mlxsw_sp1_ptp_transmitted, .hwtstamp_get = mlxsw_sp1_ptp_hwtstamp_get, .hwtstamp_set = mlxsw_sp1_ptp_hwtstamp_set, .shaper_work = mlxsw_sp1_ptp_shaper_work, .get_ts_info = mlxsw_sp1_ptp_get_ts_info, .get_stats_count = mlxsw_sp1_get_stats_count, .get_stats_strings = mlxsw_sp1_get_stats_strings, .get_stats = mlxsw_sp1_get_stats, .txhdr_construct = mlxsw_sp_ptp_txhdr_construct, }; static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = { .clock_init = mlxsw_sp2_ptp_clock_init, .clock_fini = mlxsw_sp2_ptp_clock_fini, .init = mlxsw_sp2_ptp_init, .fini = mlxsw_sp2_ptp_fini, .receive = mlxsw_sp2_ptp_receive, .transmitted = mlxsw_sp2_ptp_transmitted, .hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get, .hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set, .shaper_work = mlxsw_sp2_ptp_shaper_work, .get_ts_info = mlxsw_sp2_ptp_get_ts_info, .get_stats_count = mlxsw_sp2_get_stats_count, .get_stats_strings = mlxsw_sp2_get_stats_strings, .get_stats = mlxsw_sp2_get_stats, .txhdr_construct = mlxsw_sp2_ptp_txhdr_construct, }; static const struct mlxsw_sp_ptp_ops mlxsw_sp4_ptp_ops = { .clock_init = mlxsw_sp2_ptp_clock_init, .clock_fini = mlxsw_sp2_ptp_clock_fini, .init = mlxsw_sp2_ptp_init, .fini = mlxsw_sp2_ptp_fini, .receive = mlxsw_sp2_ptp_receive, .transmitted = mlxsw_sp2_ptp_transmitted, .hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get, .hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set, .shaper_work = mlxsw_sp2_ptp_shaper_work, .get_ts_info = mlxsw_sp2_ptp_get_ts_info, .get_stats_count = mlxsw_sp2_get_stats_count, .get_stats_strings = mlxsw_sp2_get_stats_strings, .get_stats = mlxsw_sp2_get_stats, .txhdr_construct = mlxsw_sp_ptp_txhdr_construct, }; struct mlxsw_sp_sample_trigger_node { struct mlxsw_sp_sample_trigger trigger; struct mlxsw_sp_sample_params params; struct rhash_head ht_node; struct rcu_head rcu; refcount_t refcount; }; static const struct rhashtable_params mlxsw_sp_sample_trigger_ht_params = { .key_offset = offsetof(struct mlxsw_sp_sample_trigger_node, trigger), .head_offset = offsetof(struct mlxsw_sp_sample_trigger_node, ht_node), .key_len = sizeof(struct mlxsw_sp_sample_trigger), .automatic_shrinking = true, }; static void mlxsw_sp_sample_trigger_key_init(struct mlxsw_sp_sample_trigger *key, const struct mlxsw_sp_sample_trigger *trigger) { memset(key, 0, sizeof(*key)); key->type = trigger->type; key->local_port = trigger->local_port; } /* RCU read lock must be held */ struct mlxsw_sp_sample_params * mlxsw_sp_sample_trigger_params_lookup(struct mlxsw_sp *mlxsw_sp, const struct mlxsw_sp_sample_trigger *trigger) { struct mlxsw_sp_sample_trigger_node *trigger_node; struct mlxsw_sp_sample_trigger key; mlxsw_sp_sample_trigger_key_init(&key, trigger); trigger_node = rhashtable_lookup(&mlxsw_sp->sample_trigger_ht, &key, mlxsw_sp_sample_trigger_ht_params); if (!trigger_node) return NULL; return &trigger_node->params; } static int mlxsw_sp_sample_trigger_node_init(struct mlxsw_sp *mlxsw_sp, const struct mlxsw_sp_sample_trigger *trigger, const struct mlxsw_sp_sample_params *params) { struct mlxsw_sp_sample_trigger_node *trigger_node; int err; trigger_node = kzalloc(sizeof(*trigger_node), GFP_KERNEL); if (!trigger_node) return -ENOMEM; trigger_node->trigger = *trigger; trigger_node->params = *params; refcount_set(&trigger_node->refcount, 1); err = rhashtable_insert_fast(&mlxsw_sp->sample_trigger_ht, &trigger_node->ht_node, mlxsw_sp_sample_trigger_ht_params); if (err) goto err_rhashtable_insert; return 0; err_rhashtable_insert: kfree(trigger_node); return err; } static void mlxsw_sp_sample_trigger_node_fini(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_sample_trigger_node *trigger_node) { rhashtable_remove_fast(&mlxsw_sp->sample_trigger_ht, &trigger_node->ht_node, mlxsw_sp_sample_trigger_ht_params); kfree_rcu(trigger_node, rcu); } int mlxsw_sp_sample_trigger_params_set(struct mlxsw_sp *mlxsw_sp, const struct mlxsw_sp_sample_trigger *trigger, const struct mlxsw_sp_sample_params *params, struct netlink_ext_ack *extack) { struct mlxsw_sp_sample_trigger_node *trigger_node; struct mlxsw_sp_sample_trigger key; ASSERT_RTNL(); mlxsw_sp_sample_trigger_key_init(&key, trigger); trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht, &key, mlxsw_sp_sample_trigger_ht_params); if (!trigger_node) return mlxsw_sp_sample_trigger_node_init(mlxsw_sp, &key, params); if (trigger_node->trigger.local_port) { NL_SET_ERR_MSG_MOD(extack, "Sampling already enabled on port"); return -EINVAL; } if (trigger_node->params.psample_group != params->psample_group || trigger_node->params.truncate != params->truncate || trigger_node->params.rate != params->rate || trigger_node->params.trunc_size != params->trunc_size) { NL_SET_ERR_MSG_MOD(extack, "Sampling parameters do not match for an existing sampling trigger"); return -EINVAL; } refcount_inc(&trigger_node->refcount); return 0; } void mlxsw_sp_sample_trigger_params_unset(struct mlxsw_sp *mlxsw_sp, const struct mlxsw_sp_sample_trigger *trigger) { struct mlxsw_sp_sample_trigger_node *trigger_node; struct mlxsw_sp_sample_trigger key; ASSERT_RTNL(); mlxsw_sp_sample_trigger_key_init(&key, trigger); trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht, &key, mlxsw_sp_sample_trigger_ht_params); if (!trigger_node) return; if (!refcount_dec_and_test(&trigger_node->refcount)) return; mlxsw_sp_sample_trigger_node_fini(mlxsw_sp, trigger_node); } static int mlxsw_sp_netdevice_event(struct notifier_block *unused, unsigned long event, void *ptr); #define MLXSW_SP_DEFAULT_PARSING_DEPTH 96 #define MLXSW_SP_INCREASED_PARSING_DEPTH 128 #define MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT 4789 static void mlxsw_sp_parsing_init(struct mlxsw_sp *mlxsw_sp) { refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 0); mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; mlxsw_sp->parsing.vxlan_udp_dport = MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT; mutex_init(&mlxsw_sp->parsing.lock); } static void mlxsw_sp_parsing_fini(struct mlxsw_sp *mlxsw_sp) { mutex_destroy(&mlxsw_sp->parsing.lock); WARN_ON_ONCE(refcount_read(&mlxsw_sp->parsing.parsing_depth_ref)); } struct mlxsw_sp_ipv6_addr_node { struct in6_addr key; struct rhash_head ht_node; u32 kvdl_index; refcount_t refcount; }; static const struct rhashtable_params mlxsw_sp_ipv6_addr_ht_params = { .key_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, key), .head_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, ht_node), .key_len = sizeof(struct in6_addr), .automatic_shrinking = true, }; static int mlxsw_sp_ipv6_addr_init(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6, u32 *p_kvdl_index) { struct mlxsw_sp_ipv6_addr_node *node; char rips_pl[MLXSW_REG_RIPS_LEN]; int err; err = mlxsw_sp_kvdl_alloc(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, p_kvdl_index); if (err) return err; mlxsw_reg_rips_pack(rips_pl, *p_kvdl_index, addr6); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rips), rips_pl); if (err) goto err_rips_write; node = kzalloc(sizeof(*node), GFP_KERNEL); if (!node) { err = -ENOMEM; goto err_node_alloc; } node->key = *addr6; node->kvdl_index = *p_kvdl_index; refcount_set(&node->refcount, 1); err = rhashtable_insert_fast(&mlxsw_sp->ipv6_addr_ht, &node->ht_node, mlxsw_sp_ipv6_addr_ht_params); if (err) goto err_rhashtable_insert; return 0; err_rhashtable_insert: kfree(node); err_node_alloc: err_rips_write: mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, *p_kvdl_index); return err; } static void mlxsw_sp_ipv6_addr_fini(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_ipv6_addr_node *node) { u32 kvdl_index = node->kvdl_index; rhashtable_remove_fast(&mlxsw_sp->ipv6_addr_ht, &node->ht_node, mlxsw_sp_ipv6_addr_ht_params); kfree(node); mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1, kvdl_index); } int mlxsw_sp_ipv6_addr_kvdl_index_get(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6, u32 *p_kvdl_index) { struct mlxsw_sp_ipv6_addr_node *node; int err = 0; mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock); node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6, mlxsw_sp_ipv6_addr_ht_params); if (node) { refcount_inc(&node->refcount); *p_kvdl_index = node->kvdl_index; goto out_unlock; } err = mlxsw_sp_ipv6_addr_init(mlxsw_sp, addr6, p_kvdl_index); out_unlock: mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock); return err; } void mlxsw_sp_ipv6_addr_put(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6) { struct mlxsw_sp_ipv6_addr_node *node; mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock); node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6, mlxsw_sp_ipv6_addr_ht_params); if (WARN_ON(!node)) goto out_unlock; if (!refcount_dec_and_test(&node->refcount)) goto out_unlock; mlxsw_sp_ipv6_addr_fini(mlxsw_sp, node); out_unlock: mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock); } static int mlxsw_sp_ipv6_addr_ht_init(struct mlxsw_sp *mlxsw_sp) { int err; err = rhashtable_init(&mlxsw_sp->ipv6_addr_ht, &mlxsw_sp_ipv6_addr_ht_params); if (err) return err; mutex_init(&mlxsw_sp->ipv6_addr_ht_lock); return 0; } static void mlxsw_sp_ipv6_addr_ht_fini(struct mlxsw_sp *mlxsw_sp) { mutex_destroy(&mlxsw_sp->ipv6_addr_ht_lock); rhashtable_destroy(&mlxsw_sp->ipv6_addr_ht); } static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); int err; mlxsw_sp->core = mlxsw_core; mlxsw_sp->bus_info = mlxsw_bus_info; mlxsw_sp_parsing_init(mlxsw_sp); err = mlxsw_sp_base_mac_get(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n"); return err; } err = mlxsw_sp_kvdl_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n"); return err; } err = mlxsw_sp_pgt_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PGT\n"); goto err_pgt_init; } /* Initialize before FIDs so that the LAG table is at the start of PGT * and 8-aligned without overallocation. */ err = mlxsw_sp_lag_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n"); goto err_lag_init; } err = mlxsw_sp_fids_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n"); goto err_fids_init; } err = mlxsw_sp_policers_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize policers\n"); goto err_policers_init; } err = mlxsw_sp_traps_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n"); goto err_traps_init; } err = mlxsw_sp_devlink_traps_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize devlink traps\n"); goto err_devlink_traps_init; } err = mlxsw_sp_buffers_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n"); goto err_buffers_init; } /* Initialize SPAN before router and switchdev, so that those components * can call mlxsw_sp_span_respin(). */ err = mlxsw_sp_span_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n"); goto err_span_init; } err = mlxsw_sp_switchdev_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n"); goto err_switchdev_init; } err = mlxsw_sp_counter_pool_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n"); goto err_counter_pool_init; } err = mlxsw_sp_afa_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n"); goto err_afa_init; } err = mlxsw_sp_ipv6_addr_ht_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize hash table for IPv6 addresses\n"); goto err_ipv6_addr_ht_init; } err = mlxsw_sp_nve_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n"); goto err_nve_init; } err = mlxsw_sp_port_range_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize port ranges\n"); goto err_port_range_init; } err = mlxsw_sp_acl_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL\n"); goto err_acl_init; } err = mlxsw_sp_router_init(mlxsw_sp, extack); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n"); goto err_router_init; } if (mlxsw_sp->bus_info->read_clock_capable) { /* NULL is a valid return value from clock_init */ mlxsw_sp->clock = mlxsw_sp->ptp_ops->clock_init(mlxsw_sp, mlxsw_sp->bus_info->dev); if (IS_ERR(mlxsw_sp->clock)) { err = PTR_ERR(mlxsw_sp->clock); dev_err(mlxsw_sp->bus_info->dev, "Failed to init ptp clock\n"); goto err_ptp_clock_init; } } if (mlxsw_sp->clock) { /* NULL is a valid return value from ptp_ops->init */ mlxsw_sp->ptp_state = mlxsw_sp->ptp_ops->init(mlxsw_sp); if (IS_ERR(mlxsw_sp->ptp_state)) { err = PTR_ERR(mlxsw_sp->ptp_state); dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PTP\n"); goto err_ptp_init; } } /* Initialize netdevice notifier after SPAN is initialized, so that the * event handler can call SPAN respin. */ mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event; err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), &mlxsw_sp->netdevice_nb); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n"); goto err_netdev_notifier; } err = mlxsw_sp_dpipe_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init pipeline debug\n"); goto err_dpipe_init; } err = mlxsw_sp_port_module_info_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init port module info\n"); goto err_port_module_info_init; } err = rhashtable_init(&mlxsw_sp->sample_trigger_ht, &mlxsw_sp_sample_trigger_ht_params); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init sampling trigger hashtable\n"); goto err_sample_trigger_init; } err = mlxsw_sp_ports_create(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n"); goto err_ports_create; } return 0; err_ports_create: rhashtable_destroy(&mlxsw_sp->sample_trigger_ht); err_sample_trigger_init: mlxsw_sp_port_module_info_fini(mlxsw_sp); err_port_module_info_init: mlxsw_sp_dpipe_fini(mlxsw_sp); err_dpipe_init: unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), &mlxsw_sp->netdevice_nb); err_netdev_notifier: if (mlxsw_sp->clock) mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state); err_ptp_init: if (mlxsw_sp->clock) mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock); err_ptp_clock_init: mlxsw_sp_router_fini(mlxsw_sp); err_router_init: mlxsw_sp_acl_fini(mlxsw_sp); err_acl_init: mlxsw_sp_port_range_fini(mlxsw_sp); err_port_range_init: mlxsw_sp_nve_fini(mlxsw_sp); err_nve_init: mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp); err_ipv6_addr_ht_init: mlxsw_sp_afa_fini(mlxsw_sp); err_afa_init: mlxsw_sp_counter_pool_fini(mlxsw_sp); err_counter_pool_init: mlxsw_sp_switchdev_fini(mlxsw_sp); err_switchdev_init: mlxsw_sp_span_fini(mlxsw_sp); err_span_init: mlxsw_sp_buffers_fini(mlxsw_sp); err_buffers_init: mlxsw_sp_devlink_traps_fini(mlxsw_sp); err_devlink_traps_init: mlxsw_sp_traps_fini(mlxsw_sp); err_traps_init: mlxsw_sp_policers_fini(mlxsw_sp); err_policers_init: mlxsw_sp_fids_fini(mlxsw_sp); err_fids_init: mlxsw_sp_lag_fini(mlxsw_sp); err_lag_init: mlxsw_sp_pgt_fini(mlxsw_sp); err_pgt_init: mlxsw_sp_kvdl_fini(mlxsw_sp); mlxsw_sp_parsing_fini(mlxsw_sp); return err; } static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp->switchdev_ops = &mlxsw_sp1_switchdev_ops; mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops; mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops; mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops; mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops; mlxsw_sp->acl_rulei_ops = &mlxsw_sp1_acl_rulei_ops; mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops; mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr; mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask; mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals; mlxsw_sp->sb_ops = &mlxsw_sp1_sb_ops; mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops; mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops; mlxsw_sp->span_ops = &mlxsw_sp1_span_ops; mlxsw_sp->policer_core_ops = &mlxsw_sp1_policer_core_ops; mlxsw_sp->trap_ops = &mlxsw_sp1_trap_ops; mlxsw_sp->mall_ops = &mlxsw_sp1_mall_ops; mlxsw_sp->router_ops = &mlxsw_sp1_router_ops; mlxsw_sp->listeners = mlxsw_sp1_listener; mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener); mlxsw_sp->fid_family_arr = mlxsw_sp1_fid_family_arr; mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1; mlxsw_sp->pgt_smpe_index_valid = true; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); } static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops; mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops; mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; mlxsw_sp->sb_ops = &mlxsw_sp2_sb_ops; mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops; mlxsw_sp->span_ops = &mlxsw_sp2_span_ops; mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; mlxsw_sp->listeners = mlxsw_sp2_listener; mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); mlxsw_sp->fid_family_arr = mlxsw_sp2_fid_family_arr; mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2; mlxsw_sp->pgt_smpe_index_valid = false; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); } static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops; mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops; mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops; mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops; mlxsw_sp->span_ops = &mlxsw_sp3_span_ops; mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; mlxsw_sp->listeners = mlxsw_sp2_listener; mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); mlxsw_sp->fid_family_arr = mlxsw_sp2_fid_family_arr; mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3; mlxsw_sp->pgt_smpe_index_valid = false; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); } static int mlxsw_sp4_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops; mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; mlxsw_sp->afk_ops = &mlxsw_sp4_afk_ops; mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops; mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; mlxsw_sp->acl_bf_ops = &mlxsw_sp4_acl_bf_ops; mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals; mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops; mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops; mlxsw_sp->ptp_ops = &mlxsw_sp4_ptp_ops; mlxsw_sp->span_ops = &mlxsw_sp3_span_ops; mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops; mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops; mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops; mlxsw_sp->router_ops = &mlxsw_sp2_router_ops; mlxsw_sp->listeners = mlxsw_sp2_listener; mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener); mlxsw_sp->fid_family_arr = mlxsw_sp2_fid_family_arr; mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP4; mlxsw_sp->pgt_smpe_index_valid = false; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack); } static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp_ports_remove(mlxsw_sp); rhashtable_destroy(&mlxsw_sp->sample_trigger_ht); mlxsw_sp_port_module_info_fini(mlxsw_sp); mlxsw_sp_dpipe_fini(mlxsw_sp); unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp), &mlxsw_sp->netdevice_nb); if (mlxsw_sp->clock) { mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state); mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock); } mlxsw_sp_router_fini(mlxsw_sp); mlxsw_sp_acl_fini(mlxsw_sp); mlxsw_sp_port_range_fini(mlxsw_sp); mlxsw_sp_nve_fini(mlxsw_sp); mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp); mlxsw_sp_afa_fini(mlxsw_sp); mlxsw_sp_counter_pool_fini(mlxsw_sp); mlxsw_sp_switchdev_fini(mlxsw_sp); mlxsw_sp_span_fini(mlxsw_sp); mlxsw_sp_buffers_fini(mlxsw_sp); mlxsw_sp_devlink_traps_fini(mlxsw_sp); mlxsw_sp_traps_fini(mlxsw_sp); mlxsw_sp_policers_fini(mlxsw_sp); mlxsw_sp_fids_fini(mlxsw_sp); mlxsw_sp_lag_fini(mlxsw_sp); mlxsw_sp_pgt_fini(mlxsw_sp); mlxsw_sp_kvdl_fini(mlxsw_sp); mlxsw_sp_parsing_fini(mlxsw_sp); } static const struct mlxsw_config_profile mlxsw_sp1_config_profile = { .used_flood_mode = 1, .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, .used_max_ib_mc = 1, .max_ib_mc = 0, .used_max_pkey = 1, .max_pkey = 0, .used_ubridge = 1, .ubridge = 1, .used_kvd_sizes = 1, .kvd_hash_single_parts = 59, .kvd_hash_double_parts = 41, .kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE, .swid_config = { { .used_type = 1, .type = MLXSW_PORT_SWID_TYPE_ETH, } }, }; static const struct mlxsw_config_profile mlxsw_sp2_config_profile = { .used_flood_mode = 1, .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, .used_max_ib_mc = 1, .max_ib_mc = 0, .used_max_pkey = 1, .max_pkey = 0, .used_ubridge = 1, .ubridge = 1, .swid_config = { { .used_type = 1, .type = MLXSW_PORT_SWID_TYPE_ETH, } }, .used_cqe_time_stamp_type = 1, .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, .lag_mode_prefer_sw = true, }; /* Reduce number of LAGs from full capacity (256) to the maximum supported LAGs * in Spectrum-2/3, to avoid regression in number of free entries in the PGT * table. */ #define MLXSW_SP4_CONFIG_PROFILE_MAX_LAG 128 static const struct mlxsw_config_profile mlxsw_sp4_config_profile = { .used_max_lag = 1, .max_lag = MLXSW_SP4_CONFIG_PROFILE_MAX_LAG, .used_flood_mode = 1, .flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED, .used_max_ib_mc = 1, .max_ib_mc = 0, .used_max_pkey = 1, .max_pkey = 0, .used_ubridge = 1, .ubridge = 1, .swid_config = { { .used_type = 1, .type = MLXSW_PORT_SWID_TYPE_ETH, } }, .used_cqe_time_stamp_type = 1, .cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC, .lag_mode_prefer_sw = true, }; static void mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core, struct devlink_resource_size_params *kvd_size_params, struct devlink_resource_size_params *linear_size_params, struct devlink_resource_size_params *hash_double_size_params, struct devlink_resource_size_params *hash_single_size_params) { u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE); u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE); u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); u32 linear_size_min = 0; devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); devlink_resource_size_params_init(linear_size_params, linear_size_min, kvd_size - single_size_min - double_size_min, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); devlink_resource_size_params_init(hash_double_size_params, double_size_min, kvd_size - single_size_min - linear_size_min, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); devlink_resource_size_params_init(hash_single_size_params, single_size_min, kvd_size - double_size_min - linear_size_min, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); } static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); struct devlink_resource_size_params hash_single_size_params; struct devlink_resource_size_params hash_double_size_params; struct devlink_resource_size_params linear_size_params; struct devlink_resource_size_params kvd_size_params; u32 kvd_size, single_size, double_size, linear_size; const struct mlxsw_config_profile *profile; int err; profile = &mlxsw_sp1_config_profile; if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) return -EIO; mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params, &linear_size_params, &hash_double_size_params, &hash_single_size_params); kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, kvd_size, MLXSW_SP_RESOURCE_KVD, DEVLINK_RESOURCE_ID_PARENT_TOP, &kvd_size_params); if (err) return err; linear_size = profile->kvd_linear_size; err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR, linear_size, MLXSW_SP_RESOURCE_KVD_LINEAR, MLXSW_SP_RESOURCE_KVD, &linear_size_params); if (err) return err; err = mlxsw_sp1_kvdl_resources_register(mlxsw_core); if (err) return err; double_size = kvd_size - linear_size; double_size *= profile->kvd_hash_double_parts; double_size /= profile->kvd_hash_double_parts + profile->kvd_hash_single_parts; double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY); err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE, double_size, MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, MLXSW_SP_RESOURCE_KVD, &hash_double_size_params); if (err) return err; single_size = kvd_size - double_size - linear_size; err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE, single_size, MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, MLXSW_SP_RESOURCE_KVD, &hash_single_size_params); if (err) return err; return 0; } static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); struct devlink_resource_size_params kvd_size_params; u32 kvd_size; if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) return -EIO; kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, kvd_size, MLXSW_SP_RESOURCE_KVD, DEVLINK_RESOURCE_ID_PARENT_TOP, &kvd_size_params); } static int mlxsw_sp_resources_span_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); struct devlink_resource_size_params span_size_params; u32 max_span; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_SPAN)) return -EIO; max_span = MLXSW_CORE_RES_GET(mlxsw_core, MAX_SPAN); devlink_resource_size_params_init(&span_size_params, max_span, max_span, 1, DEVLINK_RESOURCE_UNIT_ENTRY); return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_SPAN, max_span, MLXSW_SP_RESOURCE_SPAN, DEVLINK_RESOURCE_ID_PARENT_TOP, &span_size_params); } static int mlxsw_sp_resources_rif_mac_profile_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); struct devlink_resource_size_params size_params; u8 max_rif_mac_profiles; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIF_MAC_PROFILES)) max_rif_mac_profiles = 1; else max_rif_mac_profiles = MLXSW_CORE_RES_GET(mlxsw_core, MAX_RIF_MAC_PROFILES); devlink_resource_size_params_init(&size_params, max_rif_mac_profiles, max_rif_mac_profiles, 1, DEVLINK_RESOURCE_UNIT_ENTRY); return devl_resource_register(devlink, "rif_mac_profiles", max_rif_mac_profiles, MLXSW_SP_RESOURCE_RIF_MAC_PROFILES, DEVLINK_RESOURCE_ID_PARENT_TOP, &size_params); } static int mlxsw_sp_resources_rifs_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); struct devlink_resource_size_params size_params; u64 max_rifs; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIFS)) return -EIO; max_rifs = MLXSW_CORE_RES_GET(mlxsw_core, MAX_RIFS); devlink_resource_size_params_init(&size_params, max_rifs, max_rifs, 1, DEVLINK_RESOURCE_UNIT_ENTRY); return devl_resource_register(devlink, "rifs", max_rifs, MLXSW_SP_RESOURCE_RIFS, DEVLINK_RESOURCE_ID_PARENT_TOP, &size_params); } static int mlxsw_sp_resources_port_range_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); struct devlink_resource_size_params size_params; u64 max; if (!MLXSW_CORE_RES_VALID(mlxsw_core, ACL_MAX_L4_PORT_RANGE)) return -EIO; max = MLXSW_CORE_RES_GET(mlxsw_core, ACL_MAX_L4_PORT_RANGE); devlink_resource_size_params_init(&size_params, max, max, 1, DEVLINK_RESOURCE_UNIT_ENTRY); return devl_resource_register(devlink, "port_range_registers", max, MLXSW_SP_RESOURCE_PORT_RANGE_REGISTERS, DEVLINK_RESOURCE_ID_PARENT_TOP, &size_params); } static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core) { int err; err = mlxsw_sp1_resources_kvd_register(mlxsw_core); if (err) return err; err = mlxsw_sp_resources_span_register(mlxsw_core); if (err) goto err_resources_span_register; err = mlxsw_sp_counter_resources_register(mlxsw_core); if (err) goto err_resources_counter_register; err = mlxsw_sp_policer_resources_register(mlxsw_core); if (err) goto err_policer_resources_register; err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core); if (err) goto err_resources_rif_mac_profile_register; err = mlxsw_sp_resources_rifs_register(mlxsw_core); if (err) goto err_resources_rifs_register; err = mlxsw_sp_resources_port_range_register(mlxsw_core); if (err) goto err_resources_port_range_register; return 0; err_resources_port_range_register: err_resources_rifs_register: err_resources_rif_mac_profile_register: err_policer_resources_register: err_resources_counter_register: err_resources_span_register: devl_resources_unregister(priv_to_devlink(mlxsw_core)); return err; } static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core) { int err; err = mlxsw_sp2_resources_kvd_register(mlxsw_core); if (err) return err; err = mlxsw_sp_resources_span_register(mlxsw_core); if (err) goto err_resources_span_register; err = mlxsw_sp_counter_resources_register(mlxsw_core); if (err) goto err_resources_counter_register; err = mlxsw_sp_policer_resources_register(mlxsw_core); if (err) goto err_policer_resources_register; err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core); if (err) goto err_resources_rif_mac_profile_register; err = mlxsw_sp_resources_rifs_register(mlxsw_core); if (err) goto err_resources_rifs_register; err = mlxsw_sp_resources_port_range_register(mlxsw_core); if (err) goto err_resources_port_range_register; return 0; err_resources_port_range_register: err_resources_rifs_register: err_resources_rif_mac_profile_register: err_policer_resources_register: err_resources_counter_register: err_resources_span_register: devl_resources_unregister(priv_to_devlink(mlxsw_core)); return err; } static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core, const struct mlxsw_config_profile *profile, u64 *p_single_size, u64 *p_double_size, u64 *p_linear_size) { struct devlink *devlink = priv_to_devlink(mlxsw_core); u32 double_size; int err; if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) || !MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE)) return -EIO; /* The hash part is what left of the kvd without the * linear part. It is split to the single size and * double size by the parts ratio from the profile. * Both sizes must be a multiplications of the * granularity from the profile. In case the user * provided the sizes they are obtained via devlink. */ err = devl_resource_size_get(devlink, MLXSW_SP_RESOURCE_KVD_LINEAR, p_linear_size); if (err) *p_linear_size = profile->kvd_linear_size; err = devl_resource_size_get(devlink, MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, p_double_size); if (err) { double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - *p_linear_size; double_size *= profile->kvd_hash_double_parts; double_size /= profile->kvd_hash_double_parts + profile->kvd_hash_single_parts; *p_double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY); } err = devl_resource_size_get(devlink, MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, p_single_size); if (err) *p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - *p_double_size - *p_linear_size; /* Check results are legal. */ if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) || *p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) || MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size) return -EIO; return 0; } static void mlxsw_sp_ptp_transmitted(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, u16 local_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); skb_pull(skb, MLXSW_TXHDR_LEN); mlxsw_sp->ptp_ops->transmitted(mlxsw_sp, skb, local_port); } static struct mlxsw_driver mlxsw_sp1_driver = { .kind = mlxsw_sp1_driver_name, .priv_size = sizeof(struct mlxsw_sp), .fw_req_rev = &mlxsw_sp1_fw_rev, .fw_filename = MLXSW_SP1_FW_FILENAME, .init = mlxsw_sp1_init, .fini = mlxsw_sp_fini, .port_split = mlxsw_sp_port_split, .port_unsplit = mlxsw_sp_port_unsplit, .sb_pool_get = mlxsw_sp_sb_pool_get, .sb_pool_set = mlxsw_sp_sb_pool_set, .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, .trap_init = mlxsw_sp_trap_init, .trap_fini = mlxsw_sp_trap_fini, .trap_action_set = mlxsw_sp_trap_action_set, .trap_group_init = mlxsw_sp_trap_group_init, .trap_group_set = mlxsw_sp_trap_group_set, .trap_policer_init = mlxsw_sp_trap_policer_init, .trap_policer_fini = mlxsw_sp_trap_policer_fini, .trap_policer_set = mlxsw_sp_trap_policer_set, .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, .txhdr_construct = mlxsw_sp_txhdr_construct, .resources_register = mlxsw_sp1_resources_register, .kvd_sizes_get = mlxsw_sp_kvd_sizes_get, .ptp_transmitted = mlxsw_sp_ptp_transmitted, .txhdr_len = MLXSW_TXHDR_LEN, .profile = &mlxsw_sp1_config_profile, .sdq_supports_cqe_v2 = false, }; static struct mlxsw_driver mlxsw_sp2_driver = { .kind = mlxsw_sp2_driver_name, .priv_size = sizeof(struct mlxsw_sp), .fw_req_rev = &mlxsw_sp2_fw_rev, .fw_filename = MLXSW_SP2_FW_FILENAME, .init = mlxsw_sp2_init, .fini = mlxsw_sp_fini, .port_split = mlxsw_sp_port_split, .port_unsplit = mlxsw_sp_port_unsplit, .ports_remove_selected = mlxsw_sp_ports_remove_selected, .sb_pool_get = mlxsw_sp_sb_pool_get, .sb_pool_set = mlxsw_sp_sb_pool_set, .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, .trap_init = mlxsw_sp_trap_init, .trap_fini = mlxsw_sp_trap_fini, .trap_action_set = mlxsw_sp_trap_action_set, .trap_group_init = mlxsw_sp_trap_group_init, .trap_group_set = mlxsw_sp_trap_group_set, .trap_policer_init = mlxsw_sp_trap_policer_init, .trap_policer_fini = mlxsw_sp_trap_policer_fini, .trap_policer_set = mlxsw_sp_trap_policer_set, .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, .txhdr_construct = mlxsw_sp_txhdr_construct, .resources_register = mlxsw_sp2_resources_register, .ptp_transmitted = mlxsw_sp_ptp_transmitted, .txhdr_len = MLXSW_TXHDR_LEN, .profile = &mlxsw_sp2_config_profile, .sdq_supports_cqe_v2 = true, }; static struct mlxsw_driver mlxsw_sp3_driver = { .kind = mlxsw_sp3_driver_name, .priv_size = sizeof(struct mlxsw_sp), .fw_req_rev = &mlxsw_sp3_fw_rev, .fw_filename = MLXSW_SP3_FW_FILENAME, .init = mlxsw_sp3_init, .fini = mlxsw_sp_fini, .port_split = mlxsw_sp_port_split, .port_unsplit = mlxsw_sp_port_unsplit, .ports_remove_selected = mlxsw_sp_ports_remove_selected, .sb_pool_get = mlxsw_sp_sb_pool_get, .sb_pool_set = mlxsw_sp_sb_pool_set, .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, .trap_init = mlxsw_sp_trap_init, .trap_fini = mlxsw_sp_trap_fini, .trap_action_set = mlxsw_sp_trap_action_set, .trap_group_init = mlxsw_sp_trap_group_init, .trap_group_set = mlxsw_sp_trap_group_set, .trap_policer_init = mlxsw_sp_trap_policer_init, .trap_policer_fini = mlxsw_sp_trap_policer_fini, .trap_policer_set = mlxsw_sp_trap_policer_set, .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, .txhdr_construct = mlxsw_sp_txhdr_construct, .resources_register = mlxsw_sp2_resources_register, .ptp_transmitted = mlxsw_sp_ptp_transmitted, .txhdr_len = MLXSW_TXHDR_LEN, .profile = &mlxsw_sp2_config_profile, .sdq_supports_cqe_v2 = true, }; static struct mlxsw_driver mlxsw_sp4_driver = { .kind = mlxsw_sp4_driver_name, .priv_size = sizeof(struct mlxsw_sp), .init = mlxsw_sp4_init, .fini = mlxsw_sp_fini, .port_split = mlxsw_sp_port_split, .port_unsplit = mlxsw_sp_port_unsplit, .ports_remove_selected = mlxsw_sp_ports_remove_selected, .sb_pool_get = mlxsw_sp_sb_pool_get, .sb_pool_set = mlxsw_sp_sb_pool_set, .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, .trap_init = mlxsw_sp_trap_init, .trap_fini = mlxsw_sp_trap_fini, .trap_action_set = mlxsw_sp_trap_action_set, .trap_group_init = mlxsw_sp_trap_group_init, .trap_group_set = mlxsw_sp_trap_group_set, .trap_policer_init = mlxsw_sp_trap_policer_init, .trap_policer_fini = mlxsw_sp_trap_policer_fini, .trap_policer_set = mlxsw_sp_trap_policer_set, .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get, .txhdr_construct = mlxsw_sp_txhdr_construct, .resources_register = mlxsw_sp2_resources_register, .ptp_transmitted = mlxsw_sp_ptp_transmitted, .txhdr_len = MLXSW_TXHDR_LEN, .profile = &mlxsw_sp4_config_profile, .sdq_supports_cqe_v2 = true, }; bool mlxsw_sp_port_dev_check(const struct net_device *dev) { return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; } static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, struct netdev_nested_priv *priv) { int ret = 0; if (mlxsw_sp_port_dev_check(lower_dev)) { priv->data = (void *)netdev_priv(lower_dev); ret = 1; } return ret; } struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev) { struct netdev_nested_priv priv = { .data = NULL, }; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &priv); return (struct mlxsw_sp_port *)priv.data; } struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port; mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev); return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL; } struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev) { struct netdev_nested_priv priv = { .data = NULL, }; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk, &priv); return (struct mlxsw_sp_port *)priv.data; } int mlxsw_sp_parsing_depth_inc(struct mlxsw_sp *mlxsw_sp) { char mprs_pl[MLXSW_REG_MPRS_LEN]; int err = 0; mutex_lock(&mlxsw_sp->parsing.lock); if (refcount_inc_not_zero(&mlxsw_sp->parsing.parsing_depth_ref)) goto out_unlock; mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_INCREASED_PARSING_DEPTH, mlxsw_sp->parsing.vxlan_udp_dport); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); if (err) goto out_unlock; mlxsw_sp->parsing.parsing_depth = MLXSW_SP_INCREASED_PARSING_DEPTH; refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 1); out_unlock: mutex_unlock(&mlxsw_sp->parsing.lock); return err; } void mlxsw_sp_parsing_depth_dec(struct mlxsw_sp *mlxsw_sp) { char mprs_pl[MLXSW_REG_MPRS_LEN]; mutex_lock(&mlxsw_sp->parsing.lock); if (!refcount_dec_and_test(&mlxsw_sp->parsing.parsing_depth_ref)) goto out_unlock; mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_DEFAULT_PARSING_DEPTH, mlxsw_sp->parsing.vxlan_udp_dport); mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH; out_unlock: mutex_unlock(&mlxsw_sp->parsing.lock); } int mlxsw_sp_parsing_vxlan_udp_dport_set(struct mlxsw_sp *mlxsw_sp, __be16 udp_dport) { char mprs_pl[MLXSW_REG_MPRS_LEN]; int err; mutex_lock(&mlxsw_sp->parsing.lock); mlxsw_reg_mprs_pack(mprs_pl, mlxsw_sp->parsing.parsing_depth, be16_to_cpu(udp_dport)); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); if (err) goto out_unlock; mlxsw_sp->parsing.vxlan_udp_dport = be16_to_cpu(udp_dport); out_unlock: mutex_unlock(&mlxsw_sp->parsing.lock); return err; } static void mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) { struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev); struct net_device *upper_dev; struct list_head *iter; if (netif_is_bridge_port(lag_dev)) mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev); netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { if (!netif_is_bridge_port(upper_dev)) continue; br_dev = netdev_master_upper_dev_get(upper_dev); mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev); } } static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id) { char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id) { char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id, u8 port_index) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id, port_index); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, u16 *p_lag_id) { struct mlxsw_sp_upper *lag; int free_lag_id = -1; u16 max_lag; int err, i; err = mlxsw_core_max_lag(mlxsw_sp->core, &max_lag); if (err) return err; for (i = 0; i < max_lag; i++) { lag = mlxsw_sp_lag_get(mlxsw_sp, i); if (lag->ref_count) { if (lag->dev == lag_dev) { *p_lag_id = i; return 0; } } else if (free_lag_id < 0) { free_lag_id = i; } } if (free_lag_id < 0) return -EBUSY; *p_lag_id = free_lag_id; return 0; } static bool mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, struct netdev_lag_upper_info *lag_upper_info, struct netlink_ext_ack *extack) { u16 lag_id; if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) { NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported LAG devices"); return false; } if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type"); return false; } return true; } static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 *p_port_index) { u64 max_lag_members; int i; max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG_MEMBERS); for (i = 0; i < max_lag_members; i++) { if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) { *p_port_index = i; return 0; } } return -EBUSY; } static int mlxsw_sp_lag_uppers_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev, struct netlink_ext_ack *extack) { struct net_device *upper_dev; struct net_device *master; struct list_head *iter; int done = 0; int err; master = netdev_master_upper_dev_get(lag_dev); if (master && netif_is_bridge_master(master)) { err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, lag_dev, master, extack); if (err) return err; } netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { if (!is_vlan_dev(upper_dev)) continue; master = netdev_master_upper_dev_get(upper_dev); if (master && netif_is_bridge_master(master)) { err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, upper_dev, master, extack); if (err) goto err_port_bridge_join; } ++done; } return 0; err_port_bridge_join: netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { if (!is_vlan_dev(upper_dev)) continue; master = netdev_master_upper_dev_get(upper_dev); if (!master || !netif_is_bridge_master(master)) continue; if (!done--) break; mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, master); } master = netdev_master_upper_dev_get(lag_dev); if (master && netif_is_bridge_master(master)) mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, master); return err; } static void mlxsw_sp_lag_uppers_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) { struct net_device *upper_dev; struct net_device *master; struct list_head *iter; netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { if (!is_vlan_dev(upper_dev)) continue; master = netdev_master_upper_dev_get(upper_dev); if (!master) continue; mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, master); } master = netdev_master_upper_dev_get(lag_dev); if (master) mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, master); } static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_upper *lag; u16 lag_id; u8 port_index; int err; err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id); if (err) return err; lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); if (!lag->ref_count) { err = mlxsw_sp_lag_create(mlxsw_sp, lag_id); if (err) return err; lag->dev = lag_dev; } err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index); if (err) return err; err = mlxsw_sp_lag_uppers_bridge_join(mlxsw_sp_port, lag_dev, extack); if (err) goto err_lag_uppers_bridge_join; err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index); if (err) goto err_col_port_add; mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index, mlxsw_sp_port->local_port); mlxsw_sp_port->lag_id = lag_id; mlxsw_sp_port->lagged = 1; lag->ref_count++; /* Port is no longer usable as a router interface */ if (mlxsw_sp_port->default_vlan->fid) mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan); /* Join a router interface configured on the LAG, if exists */ err = mlxsw_sp_router_port_join_lag(mlxsw_sp_port, lag_dev, extack); if (err) goto err_router_join; err = mlxsw_sp_netdevice_enslavement_replay(mlxsw_sp, lag_dev, extack); if (err) goto err_replay; return 0; err_replay: mlxsw_sp_router_port_leave_lag(mlxsw_sp_port, lag_dev); err_router_join: lag->ref_count--; mlxsw_sp_port->lagged = 0; mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, mlxsw_sp_port->local_port); mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); err_col_port_add: mlxsw_sp_lag_uppers_bridge_leave(mlxsw_sp_port, lag_dev); err_lag_uppers_bridge_join: if (!lag->ref_count) mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); return err; } static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u16 lag_id = mlxsw_sp_port->lag_id; struct mlxsw_sp_upper *lag; if (!mlxsw_sp_port->lagged) return; lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); WARN_ON(lag->ref_count == 0); mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); /* Any VLANs configured on the port are no longer valid */ mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false); mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan); /* Make the LAG and its directly linked uppers leave bridges they * are memeber in */ mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev); if (lag->ref_count == 1) mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, mlxsw_sp_port->local_port); mlxsw_sp_port->lagged = 0; lag->ref_count--; /* Make sure untagged frames are allowed to ingress */ mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID, ETH_P_8021Q); } static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id, mlxsw_sp_port->local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id, mlxsw_sp_port->local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port) { int err; err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, mlxsw_sp_port->lag_id); if (err) return err; err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id); if (err) goto err_dist_port_add; return 0; err_dist_port_add: mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id); return err; } static int mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port) { int err; err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port, mlxsw_sp_port->lag_id); if (err) return err; err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id); if (err) goto err_col_port_disable; return 0; err_col_port_disable: mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id); return err; } static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port, struct netdev_lag_lower_state_info *info) { if (info->tx_enabled) return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port); else return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port); } static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; enum mlxsw_reg_spms_state spms_state; char *spms_pl; u16 vid; int err; spms_state = enable ? MLXSW_REG_SPMS_STATE_FORWARDING : MLXSW_REG_SPMS_STATE_DISCARDING; spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); if (!spms_pl) return -ENOMEM; mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); for (vid = 0; vid < VLAN_N_VID; vid++) mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); kfree(spms_pl); return err; } static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port) { u16 vid = 1; int err; err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true); if (err) return err; err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true); if (err) goto err_port_stp_set; err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, true, false); if (err) goto err_port_vlan_set; for (; vid <= VLAN_N_VID - 1; vid++) { err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); if (err) goto err_vid_learning_set; } return 0; err_vid_learning_set: for (vid--; vid >= 1; vid--) mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true); err_port_vlan_set: mlxsw_sp_port_stp_set(mlxsw_sp_port, false); err_port_stp_set: mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); return err; } static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port) { u16 vid; for (vid = VLAN_N_VID - 1; vid >= 1; vid--) mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true); mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, false, false); mlxsw_sp_port_stp_set(mlxsw_sp_port, false); mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); } static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev) { unsigned int num_vxlans = 0; struct net_device *dev; struct list_head *iter; netdev_for_each_lower_dev(br_dev, dev, iter) { if (netif_is_vxlan(dev)) num_vxlans++; } return num_vxlans > 1; } static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev) { DECLARE_BITMAP(vlans, VLAN_N_VID) = {0}; struct net_device *dev; struct list_head *iter; netdev_for_each_lower_dev(br_dev, dev, iter) { u16 pvid; int err; if (!netif_is_vxlan(dev)) continue; err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid); if (err || !pvid) continue; if (test_and_set_bit(pvid, vlans)) return false; } return true; } static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev, struct netlink_ext_ack *extack) { if (br_multicast_enabled(br_dev)) { NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device"); return false; } if (!br_vlan_enabled(br_dev) && mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) { NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge"); return false; } if (br_vlan_enabled(br_dev) && !mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) { NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged"); return false; } return true; } static bool mlxsw_sp_netdev_is_master(struct net_device *upper_dev, struct net_device *dev) { return upper_dev == netdev_master_upper_dev_get(dev); } static int __mlxsw_sp_netdevice_event(struct mlxsw_sp *mlxsw_sp, unsigned long event, void *ptr, bool process_foreign); static int mlxsw_sp_netdevice_validate_uppers(struct mlxsw_sp *mlxsw_sp, struct net_device *dev, struct netlink_ext_ack *extack) { struct net_device *upper_dev; struct list_head *iter; int err; netdev_for_each_upper_dev_rcu(dev, upper_dev, iter) { struct netdev_notifier_changeupper_info info = { .info = { .dev = dev, .extack = extack, }, .master = mlxsw_sp_netdev_is_master(upper_dev, dev), .upper_dev = upper_dev, .linking = true, /* upper_info is relevant for LAG devices. But we would * only need this if LAG were a valid upper above * another upper (e.g. a bridge that is a member of a * LAG), and that is never a valid configuration. So we * can keep this as NULL. */ .upper_info = NULL, }; err = __mlxsw_sp_netdevice_event(mlxsw_sp, NETDEV_PRECHANGEUPPER, &info, true); if (err) return err; err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp, upper_dev, extack); if (err) return err; } return 0; } static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, struct net_device *dev, unsigned long event, void *ptr, bool replay_deslavement) { struct netdev_notifier_changeupper_info *info; struct mlxsw_sp_port *mlxsw_sp_port; struct netlink_ext_ack *extack; struct net_device *upper_dev; struct mlxsw_sp *mlxsw_sp; int err = 0; u16 proto; mlxsw_sp_port = netdev_priv(dev); mlxsw_sp = mlxsw_sp_port->mlxsw_sp; info = ptr; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!is_vlan_dev(upper_dev) && !netif_is_lag_master(upper_dev) && !netif_is_bridge_master(upper_dev) && !netif_is_ovs_master(upper_dev) && !netif_is_macvlan(upper_dev) && !netif_is_l3_master(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EINVAL; } if (!info->linking) break; if (netif_is_bridge_master(upper_dev) && !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && mlxsw_sp_bridge_has_vxlan(upper_dev) && !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) return -EOPNOTSUPP; if (netdev_has_any_upper_dev(upper_dev) && (!netif_is_bridge_master(upper_dev) || !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev))) { err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp, upper_dev, extack); if (err) return err; } if (netif_is_lag_master(upper_dev) && !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev, info->upper_info, extack)) return -EINVAL; if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) { NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN"); return -EINVAL; } if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) && !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) { NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port"); return -EINVAL; } if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) { NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN"); return -EINVAL; } if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port"); return -EINVAL; } if (netif_is_bridge_master(upper_dev)) { br_vlan_get_proto(upper_dev, &proto); if (br_vlan_enabled(upper_dev) && proto != ETH_P_8021Q && proto != ETH_P_8021AD) { NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a bridge with unknown VLAN protocol is not supported"); return -EOPNOTSUPP; } if (vlan_uses_dev(lower_dev) && br_vlan_enabled(upper_dev) && proto == ETH_P_8021AD) { NL_SET_ERR_MSG_MOD(extack, "Enslaving a port that already has a VLAN upper to an 802.1ad bridge is not supported"); return -EOPNOTSUPP; } } if (netif_is_bridge_port(lower_dev) && is_vlan_dev(upper_dev)) { struct net_device *br_dev = netdev_master_upper_dev_get(lower_dev); if (br_vlan_enabled(br_dev)) { br_vlan_get_proto(br_dev, &proto); if (proto == ETH_P_8021AD) { NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a port enslaved to an 802.1ad bridge"); return -EOPNOTSUPP; } } } if (is_vlan_dev(upper_dev) && ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); return -EOPNOTSUPP; } if (is_vlan_dev(upper_dev) && mlxsw_sp_port->security) { NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a locked port"); return -EOPNOTSUPP; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (netif_is_bridge_master(upper_dev)) { if (info->linking) { err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, lower_dev, upper_dev, extack); } else { mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lower_dev, upper_dev); if (!replay_deslavement) break; mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, lower_dev); } } else if (netif_is_lag_master(upper_dev)) { if (info->linking) { err = mlxsw_sp_port_lag_join(mlxsw_sp_port, upper_dev, extack); } else { mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port); mlxsw_sp_port_lag_leave(mlxsw_sp_port, upper_dev); mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, dev); } } else if (netif_is_ovs_master(upper_dev)) { if (info->linking) err = mlxsw_sp_port_ovs_join(mlxsw_sp_port); else mlxsw_sp_port_ovs_leave(mlxsw_sp_port); } else if (netif_is_macvlan(upper_dev)) { if (!info->linking) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); } else if (is_vlan_dev(upper_dev)) { struct net_device *br_dev; if (!netif_is_bridge_port(upper_dev)) break; if (info->linking) break; br_dev = netdev_master_upper_dev_get(upper_dev); mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev); } break; } return err; } static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev, unsigned long event, void *ptr) { struct netdev_notifier_changelowerstate_info *info; struct mlxsw_sp_port *mlxsw_sp_port; int err; mlxsw_sp_port = netdev_priv(dev); info = ptr; switch (event) { case NETDEV_CHANGELOWERSTATE: if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) { err = mlxsw_sp_port_lag_changed(mlxsw_sp_port, info->lower_state_info); if (err) netdev_err(dev, "Failed to reflect link aggregation lower state change\n"); } break; } return 0; } static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev, struct net_device *port_dev, unsigned long event, void *ptr, bool replay_deslavement) { switch (event) { case NETDEV_PRECHANGEUPPER: case NETDEV_CHANGEUPPER: return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev, event, ptr, replay_deslavement); case NETDEV_CHANGELOWERSTATE: return mlxsw_sp_netdevice_port_lower_event(port_dev, event, ptr); } return 0; } /* Called for LAG or its upper VLAN after the per-LAG-lower processing was done, * to do any per-LAG / per-LAG-upper processing. */ static int mlxsw_sp_netdevice_post_lag_event(struct net_device *dev, unsigned long event, void *ptr) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(dev); struct netdev_notifier_changeupper_info *info = ptr; if (!mlxsw_sp) return 0; switch (event) { case NETDEV_CHANGEUPPER: if (info->linking) break; if (netif_is_bridge_master(info->upper_dev)) mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, dev); break; } return 0; } static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev, unsigned long event, void *ptr) { struct net_device *dev; struct list_head *iter; int ret; netdev_for_each_lower_dev(lag_dev, dev, iter) { if (mlxsw_sp_port_dev_check(dev)) { ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event, ptr, false); if (ret) return ret; } } return mlxsw_sp_netdevice_post_lag_event(lag_dev, event, ptr); } static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev, struct net_device *dev, unsigned long event, void *ptr, u16 vid, bool replay_deslavement) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; int err = 0; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!netif_is_bridge_master(upper_dev) && !netif_is_macvlan(upper_dev) && !netif_is_l3_master(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EINVAL; } if (!info->linking) break; if (netif_is_bridge_master(upper_dev) && !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && mlxsw_sp_bridge_has_vxlan(upper_dev) && !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) return -EOPNOTSUPP; if (netdev_has_any_upper_dev(upper_dev) && (!netif_is_bridge_master(upper_dev) || !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev))) { err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp, upper_dev, extack); if (err) return err; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (netif_is_bridge_master(upper_dev)) { if (info->linking) { err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, vlan_dev, upper_dev, extack); } else { mlxsw_sp_port_bridge_leave(mlxsw_sp_port, vlan_dev, upper_dev); if (!replay_deslavement) break; mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, vlan_dev); } } else if (netif_is_macvlan(upper_dev)) { if (!info->linking) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); } break; } return err; } static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev, struct net_device *lag_dev, unsigned long event, void *ptr, u16 vid) { struct net_device *dev; struct list_head *iter; int ret; netdev_for_each_lower_dev(lag_dev, dev, iter) { if (mlxsw_sp_port_dev_check(dev)) { ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev, event, ptr, vid, false); if (ret) return ret; } } return mlxsw_sp_netdevice_post_lag_event(vlan_dev, event, ptr); } static int mlxsw_sp_netdevice_bridge_vlan_event(struct mlxsw_sp *mlxsw_sp, struct net_device *vlan_dev, struct net_device *br_dev, unsigned long event, void *ptr, u16 vid, bool process_foreign) { struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; if (!process_foreign && !mlxsw_sp_lower_get(vlan_dev)) return 0; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!netif_is_macvlan(upper_dev) && !netif_is_l3_master(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EOPNOTSUPP; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (info->linking) break; if (netif_is_macvlan(upper_dev)) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); break; } return 0; } static int mlxsw_sp_netdevice_vlan_event(struct mlxsw_sp *mlxsw_sp, struct net_device *vlan_dev, unsigned long event, void *ptr, bool process_foreign) { struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); u16 vid = vlan_dev_vlan_id(vlan_dev); if (mlxsw_sp_port_dev_check(real_dev)) return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev, event, ptr, vid, true); else if (netif_is_lag_master(real_dev)) return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev, real_dev, event, ptr, vid); else if (netif_is_bridge_master(real_dev)) return mlxsw_sp_netdevice_bridge_vlan_event(mlxsw_sp, vlan_dev, real_dev, event, ptr, vid, process_foreign); return 0; } static int mlxsw_sp_netdevice_bridge_event(struct mlxsw_sp *mlxsw_sp, struct net_device *br_dev, unsigned long event, void *ptr, bool process_foreign) { struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; u16 proto; if (!process_foreign && !mlxsw_sp_lower_get(br_dev)) return 0; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!is_vlan_dev(upper_dev) && !netif_is_macvlan(upper_dev) && !netif_is_l3_master(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EOPNOTSUPP; } if (!info->linking) break; if (br_vlan_enabled(br_dev)) { br_vlan_get_proto(br_dev, &proto); if (proto == ETH_P_8021AD) { NL_SET_ERR_MSG_MOD(extack, "Upper devices are not supported on top of an 802.1ad bridge"); return -EOPNOTSUPP; } } if (is_vlan_dev(upper_dev) && ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); return -EOPNOTSUPP; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (info->linking) break; if (is_vlan_dev(upper_dev)) mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev); if (netif_is_macvlan(upper_dev)) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); break; } return 0; } static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev, unsigned long event, void *ptr) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev); struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER) return 0; extack = netdev_notifier_info_to_extack(&info->info); upper_dev = info->upper_dev; if (!netif_is_l3_master(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EOPNOTSUPP; } return 0; } static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp, struct net_device *dev, unsigned long event, void *ptr) { struct netdev_notifier_changeupper_info *cu_info; struct netdev_notifier_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; extack = netdev_notifier_info_to_extack(info); switch (event) { case NETDEV_CHANGEUPPER: cu_info = container_of(info, struct netdev_notifier_changeupper_info, info); upper_dev = cu_info->upper_dev; if (!netif_is_bridge_master(upper_dev)) return 0; if (!mlxsw_sp_lower_get(upper_dev)) return 0; if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) return -EOPNOTSUPP; if (cu_info->linking) { if (!netif_running(dev)) return 0; /* When the bridge is VLAN-aware, the VNI of the VxLAN * device needs to be mapped to a VLAN, but at this * point no VLANs are configured on the VxLAN device */ if (br_vlan_enabled(upper_dev)) return 0; return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0, extack); } else { /* VLANs were already flushed, which triggered the * necessary cleanup */ if (br_vlan_enabled(upper_dev)) return 0; mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); } break; case NETDEV_PRE_UP: upper_dev = netdev_master_upper_dev_get(dev); if (!upper_dev) return 0; if (!netif_is_bridge_master(upper_dev)) return 0; if (!mlxsw_sp_lower_get(upper_dev)) return 0; return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0, extack); case NETDEV_DOWN: upper_dev = netdev_master_upper_dev_get(dev); if (!upper_dev) return 0; if (!netif_is_bridge_master(upper_dev)) return 0; if (!mlxsw_sp_lower_get(upper_dev)) return 0; mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); break; } return 0; } static int __mlxsw_sp_netdevice_event(struct mlxsw_sp *mlxsw_sp, unsigned long event, void *ptr, bool process_foreign) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct mlxsw_sp_span_entry *span_entry; int err = 0; if (event == NETDEV_UNREGISTER) { span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev); if (span_entry) mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry); } if (netif_is_vxlan(dev)) err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr); else if (mlxsw_sp_port_dev_check(dev)) err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr, true); else if (netif_is_lag_master(dev)) err = mlxsw_sp_netdevice_lag_event(dev, event, ptr); else if (is_vlan_dev(dev)) err = mlxsw_sp_netdevice_vlan_event(mlxsw_sp, dev, event, ptr, process_foreign); else if (netif_is_bridge_master(dev)) err = mlxsw_sp_netdevice_bridge_event(mlxsw_sp, dev, event, ptr, process_foreign); else if (netif_is_macvlan(dev)) err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr); return err; } static int mlxsw_sp_netdevice_event(struct notifier_block *nb, unsigned long event, void *ptr) { struct mlxsw_sp *mlxsw_sp; int err; mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb); mlxsw_sp_span_respin(mlxsw_sp); err = __mlxsw_sp_netdevice_event(mlxsw_sp, event, ptr, false); return notifier_from_errno(err); } static const struct pci_device_id mlxsw_sp1_pci_id_table[] = { {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0}, {0, }, }; static struct pci_driver mlxsw_sp1_pci_driver = { .name = mlxsw_sp1_driver_name, .id_table = mlxsw_sp1_pci_id_table, }; static const struct pci_device_id mlxsw_sp2_pci_id_table[] = { {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0}, {0, }, }; static struct pci_driver mlxsw_sp2_pci_driver = { .name = mlxsw_sp2_driver_name, .id_table = mlxsw_sp2_pci_id_table, }; static const struct pci_device_id mlxsw_sp3_pci_id_table[] = { {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0}, {0, }, }; static struct pci_driver mlxsw_sp3_pci_driver = { .name = mlxsw_sp3_driver_name, .id_table = mlxsw_sp3_pci_id_table, }; static const struct pci_device_id mlxsw_sp4_pci_id_table[] = { {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM4), 0}, {0, }, }; static struct pci_driver mlxsw_sp4_pci_driver = { .name = mlxsw_sp4_driver_name, .id_table = mlxsw_sp4_pci_id_table, }; static int __init mlxsw_sp_module_init(void) { int err; err = mlxsw_core_driver_register(&mlxsw_sp1_driver); if (err) return err; err = mlxsw_core_driver_register(&mlxsw_sp2_driver); if (err) goto err_sp2_core_driver_register; err = mlxsw_core_driver_register(&mlxsw_sp3_driver); if (err) goto err_sp3_core_driver_register; err = mlxsw_core_driver_register(&mlxsw_sp4_driver); if (err) goto err_sp4_core_driver_register; err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver); if (err) goto err_sp1_pci_driver_register; err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver); if (err) goto err_sp2_pci_driver_register; err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver); if (err) goto err_sp3_pci_driver_register; err = mlxsw_pci_driver_register(&mlxsw_sp4_pci_driver); if (err) goto err_sp4_pci_driver_register; return 0; err_sp4_pci_driver_register: mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver); err_sp3_pci_driver_register: mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); err_sp2_pci_driver_register: mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); err_sp1_pci_driver_register: mlxsw_core_driver_unregister(&mlxsw_sp4_driver); err_sp4_core_driver_register: mlxsw_core_driver_unregister(&mlxsw_sp3_driver); err_sp3_core_driver_register: mlxsw_core_driver_unregister(&mlxsw_sp2_driver); err_sp2_core_driver_register: mlxsw_core_driver_unregister(&mlxsw_sp1_driver); return err; } static void __exit mlxsw_sp_module_exit(void) { mlxsw_pci_driver_unregister(&mlxsw_sp4_pci_driver); mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver); mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); mlxsw_core_driver_unregister(&mlxsw_sp4_driver); mlxsw_core_driver_unregister(&mlxsw_sp3_driver); mlxsw_core_driver_unregister(&mlxsw_sp2_driver); mlxsw_core_driver_unregister(&mlxsw_sp1_driver); } module_init(mlxsw_sp_module_init); module_exit(mlxsw_sp_module_exit); MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>"); MODULE_DESCRIPTION("Mellanox Spectrum driver"); MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table); MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table); MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table); MODULE_DEVICE_TABLE(pci, mlxsw_sp4_pci_id_table); MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME); MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME); MODULE_FIRMWARE(MLXSW_SP3_FW_FILENAME); MODULE_FIRMWARE(MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME);
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