Release 4.7 drivers/net/ethernet/ibm/ibmvnic.h

/**************************************************************************/
/*                                                                        */
/*  IBM System i and System p Virtual NIC Device Driver                   */
/*  Copyright (C) 2014 IBM Corp.                                          */
/*  Santiago Leon (santi_leon@yahoo.com)                                  */
/*  Thomas Falcon (tlfalcon@linux.vnet.ibm.com)                           */
/*  John Allen (jallen@linux.vnet.ibm.com)                                */
/*                                                                        */
/*  This program is free software; you can redistribute it and/or modify  */
/*  it under the terms of the GNU General Public License as published by  */
/*  the Free Software Foundation; either version 2 of the License, or     */
/*  (at your option) any later version.                                   */
/*                                                                        */
/*  This program is distributed in the hope that it will be useful,       */
/*  but WITHOUT ANY WARRANTY; without even the implied warranty of        */
/*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         */
/*  GNU General Public License for more details.                          */
/*                                                                        */
/*  You should have received a copy of the GNU General Public License     */
/*  along with this program.                                              */
/*                                                                        */
/* This module contains the implementation of a virtual ethernet device   */
/* for use with IBM i/pSeries LPAR Linux.  It utilizes the logical LAN    */
/* option of the RS/6000 Platform Architecture to interface with virtual */
/* ethernet NICs that are presented to the partition by the hypervisor.   */
/*                                                                        */
/**************************************************************************/


#define IBMVNIC_NAME		"ibmvnic"

#define IBMVNIC_DRIVER_VERSION	"1.0"

#define IBMVNIC_INVALID_MAP	-1

#define IBMVNIC_STATS_TIMEOUT	1
/* basic structures plus 100 2k buffers */

#define IBMVNIC_IO_ENTITLEMENT_DEFAULT	610305

/* Initial module_parameters */

#define IBMVNIC_RX_WEIGHT		16
/* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */

#define IBMVNIC_BUFFS_PER_POOL	100

#define IBMVNIC_MAX_TX_QUEUES	5


struct ibmvnic_login_buffer {
	
__be32 len;
	
__be32 version;

#define INITIAL_VERSION_LB 1
	
__be32 num_txcomp_subcrqs;
	
__be32 off_txcomp_subcrqs;
	
__be32 num_rxcomp_subcrqs;
	
__be32 off_rxcomp_subcrqs;
	
__be32 login_rsp_ioba;
	
__be32 login_rsp_len;
} __packed __aligned(8);


struct ibmvnic_login_rsp_buffer {
	
__be32 len;
	
__be32 version;

#define INITIAL_VERSION_LRB 1
	
__be32 num_txsubm_subcrqs;
	
__be32 off_txsubm_subcrqs;
	
__be32 num_rxadd_subcrqs;
	
__be32 off_rxadd_subcrqs;
	
__be32 off_rxadd_buff_size;
	
__be32 num_supp_tx_desc;
	
__be32 off_supp_tx_desc;
} __packed __aligned(8);


struct ibmvnic_query_ip_offload_buffer {
	
__be32 len;
	
__be32 version;

#define INITIAL_VERSION_IOB 1
	
u8 ipv4_chksum;
	
u8 ipv6_chksum;
	
u8 tcp_ipv4_chksum;
	
u8 tcp_ipv6_chksum;
	
u8 udp_ipv4_chksum;
	
u8 udp_ipv6_chksum;
	
u8 large_tx_ipv4;
	
u8 large_tx_ipv6;
	
u8 large_rx_ipv4;
	
u8 large_rx_ipv6;
	
u8 reserved1[14];
	
__be16 max_ipv4_header_size;
	
__be16 max_ipv6_header_size;
	
__be16 max_tcp_header_size;
	
__be16 max_udp_header_size;
	
__be32 max_large_tx_size;
	
__be32 max_large_rx_size;
	
u8 reserved2[16];
	
u8 ipv6_extension_header;

#define IPV6_EH_NOT_SUPPORTED	0x00

#define IPV6_EH_SUPPORTED_LIM	0x01

#define IPV6_EH_SUPPORTED	0xFF
	
u8 tcp_pseudosum_req;

#define TCP_PS_NOT_REQUIRED	0x00

#define TCP_PS_REQUIRED		0x01
	
u8 reserved3[30];
	
__be16 num_ipv6_ext_headers;
	
__be32 off_ipv6_ext_headers;
	
u8 reserved4[154];
} __packed __aligned(8);


struct ibmvnic_control_ip_offload_buffer {
	
__be32 len;
	
__be32 version;

#define INITIAL_VERSION_IOB 1
	
u8 ipv4_chksum;
	
u8 ipv6_chksum;
	
u8 tcp_ipv4_chksum;
	
u8 tcp_ipv6_chksum;
	
u8 udp_ipv4_chksum;
	
u8 udp_ipv6_chksum;
	
u8 large_tx_ipv4;
	
u8 large_tx_ipv6;
	
u8 bad_packet_rx;
	
u8 large_rx_ipv4;
	
u8 large_rx_ipv6;
	
u8 reserved4[111];
} __packed __aligned(8);


struct ibmvnic_fw_component {
	
u8 name[48];
	
__be32 trace_buff_size;
	
u8 correlator;
	
u8 trace_level;
	
u8 parent_correlator;
	
u8 error_check_level;
	
u8 trace_on;
	
u8 reserved[7];
	
u8 description[192];
} __packed __aligned(8);


struct ibmvnic_fw_trace_entry {
	
__be32 trace_id;
	
u8 num_valid_data;
	
u8 reserved[3];
	
__be64 pmc_registers;
	
__be64 timebase;
	
__be64 trace_data[5];
} __packed __aligned(8);


struct ibmvnic_statistics {
	
__be32 version;
	
__be32 promiscuous;
	
__be64 rx_packets;
	
__be64 rx_bytes;
	
__be64 tx_packets;
	
__be64 tx_bytes;
	
__be64 ucast_tx_packets;
	
__be64 ucast_rx_packets;
	
__be64 mcast_tx_packets;
	
__be64 mcast_rx_packets;
	
__be64 bcast_tx_packets;
	
__be64 bcast_rx_packets;
	
__be64 align_errors;
	
__be64 fcs_errors;
	
__be64 single_collision_frames;
	
__be64 multi_collision_frames;
	
__be64 sqe_test_errors;
	
__be64 deferred_tx;
	
__be64 late_collisions;
	
__be64 excess_collisions;
	
__be64 internal_mac_tx_errors;
	
__be64 carrier_sense;
	
__be64 too_long_frames;
	
__be64 internal_mac_rx_errors;
	
u8 reserved[72];
} __packed __aligned(8);


struct ibmvnic_acl_buffer {
	
__be32 len;
	
__be32 version;

#define INITIAL_VERSION_IOB 1
	
u8 mac_acls_restrict;
	
u8 vlan_acls_restrict;
	
u8 reserved1[22];
	
__be32 num_mac_addrs;
	
__be32 offset_mac_addrs;
	
__be32 num_vlan_ids;
	
__be32 offset_vlan_ids;
	
u8 reserved2[80];
} __packed __aligned(8);

/* descriptors have been changed, how should this be defined?  1? 4? */


#define IBMVNIC_TX_DESC_VERSIONS 3

/* is this still needed? */

struct ibmvnic_tx_comp_desc {
	
u8 first;
	
u8 num_comps;
	
__be16 rcs[5];
	
__be32 correlators[5];
} __packed __aligned(8);

/* some flags that included in v0 descriptor, which is gone
 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
 * and only in some offload_flags variable that doesn't seem
 * to be used anywhere, can probably be removed?
 */


#define IBMVNIC_TCP_CHKSUM		0x20

#define IBMVNIC_UDP_CHKSUM		0x08


#define IBMVNIC_MAX_FRAGS_PER_CRQ 3


struct ibmvnic_tx_desc {
	
u8 first;
	
u8 type;


#define IBMVNIC_TX_DESC 0x10
	
u8 n_crq_elem;
	
u8 n_sge;
	
u8 flags1;

#define IBMVNIC_TX_COMP_NEEDED		0x80

#define IBMVNIC_TX_CHKSUM_OFFLOAD	0x40

#define IBMVNIC_TX_LSO			0x20

#define IBMVNIC_TX_PROT_TCP		0x10

#define IBMVNIC_TX_PROT_UDP		0x08

#define IBMVNIC_TX_PROT_IPV4		0x04

#define IBMVNIC_TX_PROT_IPV6		0x02

#define IBMVNIC_TX_VLAN_PRESENT		0x01
	
u8 flags2;

#define IBMVNIC_TX_VLAN_INSERT		0x80
	
__be16 mss;
	
u8 reserved[4];
	
__be32 correlator;
	
__be16 vlan_id;
	
__be16 dma_reg;
	
__be32 sge_len;
	
__be64 ioba;
} __packed __aligned(8);


struct ibmvnic_hdr_desc {
	
u8 first;
	
u8 type;

#define IBMVNIC_HDR_DESC		0x11
	
u8 len;
	
u8 l2_len;
	
__be16 l3_len;
	
u8 l4_len;
	
u8 flag;
	
u8 data[24];
} __packed __aligned(8);


struct ibmvnic_hdr_ext_desc {
	
u8 first;
	
u8 type;

#define IBMVNIC_HDR_EXT_DESC		0x12
	
u8 len;
	
u8 data[29];
} __packed __aligned(8);


struct ibmvnic_sge_desc {
	
u8 first;
	
u8 type;

#define IBMVNIC_SGE_DESC		0x30
	
__be16 sge1_dma_reg;
	
__be32 sge1_len;
	
__be64 sge1_ioba;
	
__be16 reserved;
	
__be16 sge2_dma_reg;
	
__be32 sge2_len;
	
__be64 sge2_ioba;
} __packed __aligned(8);


struct ibmvnic_rx_comp_desc {
	
u8 first;
	
u8 flags;

#define IBMVNIC_IP_CHKSUM_GOOD		0x80

#define IBMVNIC_TCP_UDP_CHKSUM_GOOD	0x40

#define IBMVNIC_END_FRAME			0x20

#define IBMVNIC_EXACT_MC			0x10

#define IBMVNIC_VLAN_STRIPPED			0x08
	
__be16 off_frame_data;
	
__be32 len;
	
__be64 correlator;
	
__be16 vlan_tci;
	
__be16 rc;
	
u8 reserved[12];
} __packed __aligned(8);


struct ibmvnic_generic_scrq {
	
u8 first;
	
u8 reserved[31];
} __packed __aligned(8);


struct ibmvnic_rx_buff_add_desc {
	
u8 first;
	
u8 reserved[7];
	
__be64 correlator;
	
__be32 ioba;
	
u8 map_id;
	
__be32 len:24;
	
u8 reserved2[8];
} __packed __aligned(8);


struct ibmvnic_rc {
	
u8 code; /* one of enum ibmvnic_rc_codes */
	
u8 detailed_data[3];
} __packed __aligned(4);


struct ibmvnic_generic_crq {
	
u8 first;
	
u8 cmd;
	
u8 params[10];
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_version_exchange {
	
u8 first;
	
u8 cmd;
	
__be16 version;

#define IBMVNIC_INITIAL_VERSION 1
	
u8 reserved[8];
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_capability {
	
u8 first;
	
u8 cmd;
	
__be16 capability; /* one of ibmvnic_capabilities */
	
__be64 number;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_login {
	
u8 first;
	
u8 cmd;
	
u8 reserved[6];
	
__be32 ioba;
	
__be32 len;
} __packed __aligned(8);


struct ibmvnic_phys_parms {
	
u8 first;
	
u8 cmd;
	
u8 flags1;

#define IBMVNIC_EXTERNAL_LOOPBACK	0x80

#define IBMVNIC_INTERNAL_LOOPBACK	0x40

#define IBMVNIC_PROMISC		0x20

#define IBMVNIC_PHYS_LINK_ACTIVE	0x10

#define IBMVNIC_AUTONEG_DUPLEX	0x08

#define IBMVNIC_FULL_DUPLEX	0x04

#define IBMVNIC_HALF_DUPLEX	0x02

#define IBMVNIC_CAN_CHG_PHYS_PARMS	0x01
	
u8 flags2;

#define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
	
__be32 speed;

#define IBMVNIC_AUTONEG		0x80

#define IBMVNIC_10MBPS		0x40

#define IBMVNIC_100MBPS		0x20

#define IBMVNIC_1GBPS		0x10

#define IBMVNIC_10GBPS		0x08
	
__be32 mtu;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_logical_link_state {
	
u8 first;
	
u8 cmd;
	
u8 link_state;

#define IBMVNIC_LOGICAL_LNK_DN 0x00

#define IBMVNIC_LOGICAL_LNK_UP 0x01

#define IBMVNIC_LOGICAL_LNK_QUERY 0xff
	
u8 reserved[9];
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_query_ip_offload {
	
u8 first;
	
u8 cmd;
	
u8 reserved[2];
	
__be32 len;
	
__be32 ioba;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_control_ip_offload {
	
u8 first;
	
u8 cmd;
	
u8 reserved[2];
	
__be32 ioba;
	
__be32 len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_request_dump_size {
	
u8 first;
	
u8 cmd;
	
u8 reserved[6];
	
__be32 len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_request_dump {
	
u8 first;
	
u8 cmd;
	
u8 reserved1[2];
	
__be32 ioba;
	
__be32 len;
	
u8 reserved2[4];
} __packed __aligned(8);


struct ibmvnic_request_dump_rsp {
	
u8 first;
	
u8 cmd;
	
u8 reserved[6];
	
__be32 dumped_len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_request_ras_comp_num {
	
u8 first;
	
u8 cmd;
	
u8 reserved1[2];
	
__be32 num_components;
	
u8 reserved2[4];
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_request_ras_comps {
	
u8 first;
	
u8 cmd;
	
u8 reserved[2];
	
__be32 ioba;
	
__be32 len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_control_ras {
	
u8 first;
	
u8 cmd;
	
u8 correlator;
	
u8 level;
	
u8 op;

#define IBMVNIC_TRACE_LEVEL	1

#define IBMVNIC_ERROR_LEVEL	2

#define IBMVNIC_TRACE_PAUSE	3

#define IBMVNIC_TRACE_RESUME	4

#define IBMVNIC_TRACE_ON		5

#define IBMVNIC_TRACE_OFF		6

#define IBMVNIC_CHG_TRACE_BUFF_SZ	7
	
u8 trace_buff_sz[3];
	
u8 reserved[4];
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_collect_fw_trace {
	
u8 first;
	
u8 cmd;
	
u8 correlator;
	
u8 reserved;
	
__be32 ioba;
	
__be32 len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_request_statistics {
	
u8 first;
	
u8 cmd;
	
u8 flags;

#define IBMVNIC_PHYSICAL_PORT	0x80
	
u8 reserved1;
	
__be32 ioba;
	
__be32 len;
	
u8 reserved[4];
} __packed __aligned(8);


struct ibmvnic_request_debug_stats {
	
u8 first;
	
u8 cmd;
	
u8 reserved[2];
	
__be32 ioba;
	
__be32 len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_error_indication {
	
u8 first;
	
u8 cmd;
	
u8 flags;

#define IBMVNIC_FATAL_ERROR	0x80
	
u8 reserved1;
	
__be32 error_id;
	
__be32 detail_error_sz;
	
__be16 error_cause;
	
u8 reserved2[2];
} __packed __aligned(8);


struct ibmvnic_request_error_info {
	
u8 first;
	
u8 cmd;
	
u8 reserved[2];
	
__be32 ioba;
	
__be32 len;
	
__be32 error_id;
} __packed __aligned(8);


struct ibmvnic_request_error_rsp {
	
u8 first;
	
u8 cmd;
	
u8 reserved[2];
	
__be32 error_id;
	
__be32 len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_link_state_indication {
	
u8 first;
	
u8 cmd;
	
u8 reserved1[2];
	
u8 phys_link_state;
	
u8 logical_link_state;
	
u8 reserved2[10];
} __packed __aligned(8);


struct ibmvnic_change_mac_addr {
	
u8 first;
	
u8 cmd;
	
u8 mac_addr[6];
	
struct ibmvnic_rc rc;
	
u8 reserved[4];
} __packed __aligned(8);


struct ibmvnic_multicast_ctrl {
	
u8 first;
	
u8 cmd;
	
u8 mac_addr[6];
	
u8 flags;

#define IBMVNIC_ENABLE_MC		0x80

#define IBMVNIC_DISABLE_MC		0x40

#define IBMVNIC_ENABLE_ALL		0x20

#define IBMVNIC_DISABLE_ALL	0x10
	
u8 reserved1;
	
__be16 reserved2; /* was num_enabled_mc_addr; */
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_get_vpd_size_rsp {
	
u8 first;
	
u8 cmd;
	
u8 reserved[2];
	
__be64 len;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_get_vpd {
	
u8 first;
	
u8 cmd;
	
u8 reserved1[2];
	
__be32 ioba;
	
__be32 len;
	
u8 reserved[4];
} __packed __aligned(8);


struct ibmvnic_acl_change_indication {
	
u8 first;
	
u8 cmd;
	
__be16 change_type;

#define IBMVNIC_MAC_ACL 0

#define IBMVNIC_VLAN_ACL 1
	
u8 reserved[12];
} __packed __aligned(8);


struct ibmvnic_acl_query {
	
u8 first;
	
u8 cmd;
	
u8 reserved1[2];
	
__be32 ioba;
	
__be32 len;
	
u8 reserved2[4];
} __packed __aligned(8);


struct ibmvnic_tune {
	
u8 first;
	
u8 cmd;
	
u8 reserved1[2];
	
__be32 ioba;
	
__be32 len;
	
u8 reserved2[4];
} __packed __aligned(8);


struct ibmvnic_request_map {
	
u8 first;
	
u8 cmd;
	
u8 reserved1;
	
u8 map_id;
	
__be32 ioba;
	
__be32 len;
	
u8 reserved2[4];
} __packed __aligned(8);


struct ibmvnic_request_map_rsp {
	
u8 first;
	
u8 cmd;
	
u8 reserved1;
	
u8 map_id;
	
u8 reserved2[4];
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_request_unmap {
	
u8 first;
	
u8 cmd;
	
u8 reserved1;
	
u8 map_id;
	
u8 reserved2[12];
} __packed __aligned(8);


struct ibmvnic_request_unmap_rsp {
	
u8 first;
	
u8 cmd;
	
u8 reserved1;
	
u8 map_id;
	
u8 reserved2[8];
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


struct ibmvnic_query_map {
	
u8 first;
	
u8 cmd;
	
u8 reserved[14];
} __packed __aligned(8);


struct ibmvnic_query_map_rsp {
	
u8 first;
	
u8 cmd;
	
u8 reserved;
	
u8 page_size;
	
__be32 tot_pages;
	
__be32 free_pages;
	
struct ibmvnic_rc rc;
} __packed __aligned(8);


union ibmvnic_crq {
	
struct ibmvnic_generic_crq generic;
	
struct ibmvnic_version_exchange version_exchange;
	
struct ibmvnic_version_exchange version_exchange_rsp;
	
struct ibmvnic_capability query_capability;
	
struct ibmvnic_capability query_capability_rsp;
	
struct ibmvnic_capability request_capability;
	
struct ibmvnic_capability request_capability_rsp;
	
struct ibmvnic_login login;
	
struct ibmvnic_generic_crq login_rsp;
	
struct ibmvnic_phys_parms query_phys_parms;
	
struct ibmvnic_phys_parms query_phys_parms_rsp;
	
struct ibmvnic_phys_parms query_phys_capabilities;
	
struct ibmvnic_phys_parms query_phys_capabilities_rsp;
	
struct ibmvnic_phys_parms set_phys_parms;
	
struct ibmvnic_phys_parms set_phys_parms_rsp;
	
struct ibmvnic_logical_link_state logical_link_state;
	
struct ibmvnic_logical_link_state logical_link_state_rsp;
	
struct ibmvnic_query_ip_offload query_ip_offload;
	
struct ibmvnic_query_ip_offload query_ip_offload_rsp;
	
struct ibmvnic_control_ip_offload control_ip_offload;
	
struct ibmvnic_control_ip_offload control_ip_offload_rsp;
	
struct ibmvnic_request_dump_size request_dump_size;
	
struct ibmvnic_request_dump_size request_dump_size_rsp;
	
struct ibmvnic_request_dump request_dump;
	
struct ibmvnic_request_dump_rsp request_dump_rsp;
	
struct ibmvnic_request_ras_comp_num request_ras_comp_num;
	
struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
	
struct ibmvnic_request_ras_comps request_ras_comps;
	
struct ibmvnic_request_ras_comps request_ras_comps_rsp;
	
struct ibmvnic_control_ras control_ras;
	
struct ibmvnic_control_ras control_ras_rsp;
	
struct ibmvnic_collect_fw_trace collect_fw_trace;
	
struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
	
struct ibmvnic_request_statistics request_statistics;
	
struct ibmvnic_generic_crq request_statistics_rsp;
	
struct ibmvnic_request_debug_stats request_debug_stats;
	
struct ibmvnic_request_debug_stats request_debug_stats_rsp;
	
struct ibmvnic_error_indication error_indication;
	
struct ibmvnic_request_error_info request_error_info;
	
struct ibmvnic_request_error_rsp request_error_rsp;
	
struct ibmvnic_link_state_indication link_state_indication;
	
struct ibmvnic_change_mac_addr change_mac_addr;
	
struct ibmvnic_change_mac_addr change_mac_addr_rsp;
	
struct ibmvnic_multicast_ctrl multicast_ctrl;
	
struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
	
struct ibmvnic_generic_crq get_vpd_size;
	
struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
	
struct ibmvnic_get_vpd get_vpd;
	
struct ibmvnic_generic_crq get_vpd_rsp;
	
struct ibmvnic_acl_change_indication acl_change_indication;
	
struct ibmvnic_acl_query acl_query;
	
struct ibmvnic_generic_crq acl_query_rsp;
	
struct ibmvnic_tune tune;
	
struct ibmvnic_generic_crq tune_rsp;
	
struct ibmvnic_request_map request_map;
	
struct ibmvnic_request_map_rsp request_map_rsp;
	
struct ibmvnic_request_unmap request_unmap;
	
struct ibmvnic_request_unmap_rsp request_unmap_rsp;
	
struct ibmvnic_query_map query_map;
	
struct ibmvnic_query_map_rsp query_map_rsp;
};


enum ibmvnic_rc_codes {
	
SUCCESS = 0,
	
PARTIALSUCCESS = 1,
	
PERMISSION = 2,
	
NOMEMORY = 3,
	
PARAMETER = 4,
	
UNKNOWNCOMMAND = 5,
	
ABORTED = 6,
	
INVALIDSTATE = 7,
	
INVALIDIOBA = 8,
	
INVALIDLENGTH = 9,
	
UNSUPPORTEDOPTION = 10,
};


enum ibmvnic_capabilities {
	
MIN_TX_QUEUES = 1,
	
MIN_RX_QUEUES = 2,
	
MIN_RX_ADD_QUEUES = 3,
	
MAX_TX_QUEUES = 4,
	
MAX_RX_QUEUES = 5,
	
MAX_RX_ADD_QUEUES = 6,
	
REQ_TX_QUEUES = 7,
	
REQ_RX_QUEUES = 8,
	
REQ_RX_ADD_QUEUES = 9,
	
MIN_TX_ENTRIES_PER_SUBCRQ = 10,
	
MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
	
MAX_TX_ENTRIES_PER_SUBCRQ = 12,
	
MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
	
REQ_TX_ENTRIES_PER_SUBCRQ = 14,
	
REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
	
TCP_IP_OFFLOAD = 16,
	
PROMISC_REQUESTED = 17,
	
PROMISC_SUPPORTED = 18,
	
MIN_MTU = 19,
	
MAX_MTU = 20,
	
REQ_MTU = 21,
	
MAX_MULTICAST_FILTERS = 22,
	
VLAN_HEADER_INSERTION = 23,
	
MAX_TX_SG_ENTRIES = 25,
	
RX_SG_SUPPORTED = 26,
	
RX_SG_REQUESTED = 27,
	
OPT_TX_COMP_SUB_QUEUES = 28,
	
OPT_RX_COMP_QUEUES = 29,
	
OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
	
OPT_TX_ENTRIES_PER_SUBCRQ = 31,
	
OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
	
TX_RX_DESC_REQ = 33,
};


enum ibmvnic_error_cause {
	
ADAPTER_PROBLEM = 0,
	
BUS_PROBLEM = 1,
	
FW_PROBLEM = 2,
	
DD_PROBLEM = 3,
	
EEH_RECOVERY = 4,
	
FW_UPDATED = 5,
	
LOW_MEMORY = 6,
};


enum ibmvnic_commands {
	
VERSION_EXCHANGE = 0x01,
	
VERSION_EXCHANGE_RSP = 0x81,
	
QUERY_CAPABILITY = 0x02,
	
QUERY_CAPABILITY_RSP = 0x82,
	
REQUEST_CAPABILITY = 0x03,
	
REQUEST_CAPABILITY_RSP = 0x83,
	
LOGIN = 0x04,
	
LOGIN_RSP = 0x84,
	
QUERY_PHYS_PARMS = 0x05,
	
QUERY_PHYS_PARMS_RSP = 0x85,
	
QUERY_PHYS_CAPABILITIES = 0x06,
	
QUERY_PHYS_CAPABILITIES_RSP = 0x86,
	
SET_PHYS_PARMS = 0x07,
	
SET_PHYS_PARMS_RSP = 0x87,
	
ERROR_INDICATION = 0x08,
	
REQUEST_ERROR_INFO = 0x09,
	
REQUEST_ERROR_RSP = 0x89,
	
REQUEST_DUMP_SIZE = 0x0A,
	
REQUEST_DUMP_SIZE_RSP = 0x8A,
	
REQUEST_DUMP = 0x0B,
	
REQUEST_DUMP_RSP = 0x8B,
	
LOGICAL_LINK_STATE = 0x0C,
	
LOGICAL_LINK_STATE_RSP = 0x8C,
	
REQUEST_STATISTICS = 0x0D,
	
REQUEST_STATISTICS_RSP = 0x8D,
	
REQUEST_RAS_COMP_NUM = 0x0E,
	
REQUEST_RAS_COMP_NUM_RSP = 0x8E,
	
REQUEST_RAS_COMPS = 0x0F,
	
REQUEST_RAS_COMPS_RSP = 0x8F,
	
CONTROL_RAS = 0x10,
	
CONTROL_RAS_RSP = 0x90,
	
COLLECT_FW_TRACE = 0x11,
	
COLLECT_FW_TRACE_RSP = 0x91,
	
LINK_STATE_INDICATION = 0x12,
	
CHANGE_MAC_ADDR = 0x13,
	
CHANGE_MAC_ADDR_RSP = 0x93,
	
MULTICAST_CTRL = 0x14,
	
MULTICAST_CTRL_RSP = 0x94,
	
GET_VPD_SIZE = 0x15,
	
GET_VPD_SIZE_RSP = 0x95,
	
GET_VPD = 0x16,
	
GET_VPD_RSP = 0x96,
	
TUNE = 0x17,
	
TUNE_RSP = 0x97,
	
QUERY_IP_OFFLOAD = 0x18,
	
QUERY_IP_OFFLOAD_RSP = 0x98,
	
CONTROL_IP_OFFLOAD = 0x19,
	
CONTROL_IP_OFFLOAD_RSP = 0x99,
	
ACL_CHANGE_INDICATION = 0x1A,
	
ACL_QUERY = 0x1B,
	
ACL_QUERY_RSP = 0x9B,
	
REQUEST_DEBUG_STATS = 0x1C,
	
REQUEST_DEBUG_STATS_RSP = 0x9C,
	
QUERY_MAP = 0x1D,
	
QUERY_MAP_RSP = 0x9D,
	
REQUEST_MAP = 0x1E,
	
REQUEST_MAP_RSP = 0x9E,
	
REQUEST_UNMAP = 0x1F,
	
REQUEST_UNMAP_RSP = 0x9F,
	
VLAN_CTRL = 0x20,
	
VLAN_CTRL_RSP = 0xA0,
};


enum ibmvnic_crq_type {
	
IBMVNIC_CRQ_CMD			= 0x80,
	
IBMVNIC_CRQ_CMD_RSP		= 0x80,
	
IBMVNIC_CRQ_INIT_CMD		= 0xC0,
	
IBMVNIC_CRQ_INIT_RSP		= 0xC0,
	
IBMVNIC_CRQ_XPORT_EVENT		= 0xFF,
};


enum ibmvfc_crq_format {
	
IBMVNIC_CRQ_INIT                 = 0x01,
	
IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
	
IBMVNIC_PARTITION_MIGRATED       = 0x06,
};


struct ibmvnic_crq_queue {
	
union ibmvnic_crq *msgs;
	

int size, cur;
	
dma_addr_t msg_token;
	
spinlock_t lock;
};


union sub_crq {
	
struct ibmvnic_generic_scrq generic;
	
struct ibmvnic_tx_comp_desc tx_comp;
	
struct ibmvnic_tx_desc v1;
	
struct ibmvnic_hdr_desc hdr;
	
struct ibmvnic_hdr_ext_desc hdr_ext;
	
struct ibmvnic_sge_desc sge;
	
struct ibmvnic_rx_comp_desc rx_comp;
	
struct ibmvnic_rx_buff_add_desc rx_add;
};


struct ibmvnic_sub_crq_queue {
	
union sub_crq *msgs;
	

int size, cur;
	
dma_addr_t msg_token;
	
unsigned long crq_num;
	
unsigned long hw_irq;
	
unsigned int irq;
	
unsigned int pool_index;
	
int scrq_num;
	
spinlock_t lock;
	
struct sk_buff *rx_skb_top;
	
struct ibmvnic_adapter *adapter;
};


struct ibmvnic_long_term_buff {
	
unsigned char *buff;
	
dma_addr_t addr;
	
u64 size;
	
u8 map_id;
};


struct ibmvnic_tx_buff {
	
struct sk_buff *skb;
	
dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
	
unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
	
int index;
	
int pool_index;
	
bool last_frag;
	
bool used_bounce;
	
union sub_crq indir_arr[6];
	
u8 hdr_data[140];
	
dma_addr_t indir_dma;
};


struct ibmvnic_tx_pool {
	
struct ibmvnic_tx_buff *tx_buff;
	
int *free_map;
	
int consumer_index;
	
int producer_index;
	
wait_queue_head_t ibmvnic_tx_comp_q;
	
struct task_struct *work_thread;
	
struct ibmvnic_long_term_buff long_term_buff;
};


struct ibmvnic_rx_buff {
	
struct sk_buff *skb;
	
dma_addr_t dma;
	
unsigned char *data;
	
int size;
	
int pool_index;
};


struct ibmvnic_rx_pool {
	
struct ibmvnic_rx_buff *rx_buff;
	
int size;
	
int index;
	
int buff_size;
	
atomic_t available;
	
int *free_map;
	
int next_free;
	
int next_alloc;
	
int active;
	
struct ibmvnic_long_term_buff long_term_buff;
};


struct ibmvnic_error_buff {
	
char *buff;
	
dma_addr_t dma;
	
int len;
	
struct list_head list;
	
__be32 error_id;
};


struct ibmvnic_fw_comp_internal {
	
struct ibmvnic_adapter *adapter;
	
int num;
	
struct debugfs_blob_wrapper desc_blob;
	
int paused;
};


struct ibmvnic_inflight_cmd {
	
union ibmvnic_crq crq;
	
struct list_head list;
};


struct ibmvnic_adapter {
	
struct vio_dev *vdev;
	
struct net_device *netdev;
	
struct ibmvnic_crq_queue crq;
	
u8 mac_addr[ETH_ALEN];
	
struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
	
dma_addr_t ip_offload_tok;
	
struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
	
dma_addr_t ip_offload_ctrl_tok;
	
bool migrated;
	
u32 msg_enable;
	
void *bounce_buffer;
	
int bounce_buffer_size;
	
dma_addr_t bounce_buffer_dma;

	/* Statistics */
	
struct net_device_stats net_stats;
	
struct ibmvnic_statistics stats;
	
dma_addr_t stats_token;
	
struct completion stats_done;
	
spinlock_t stats_lock;
	
int replenish_no_mem;
	
int replenish_add_buff_success;
	
int replenish_add_buff_failure;
	
int replenish_task_cycles;
	
int tx_send_failed;
	
int tx_map_failed;

	
int phys_link_state;
	
int logical_link_state;

	/* login data */
	
struct ibmvnic_login_buffer *login_buf;
	
dma_addr_t login_buf_token;
	
int login_buf_sz;

	
struct ibmvnic_login_rsp_buffer *login_rsp_buf;
	
dma_addr_t login_rsp_buf_token;
	
int login_rsp_buf_sz;

	
atomic_t running_cap_queries;

	
struct ibmvnic_sub_crq_queue **tx_scrq;
	
struct ibmvnic_sub_crq_queue **rx_scrq;
	
int requested_caps;
	
bool renegotiate;

	/* rx structs */
	
struct napi_struct *napi;
	
struct ibmvnic_rx_pool *rx_pool;
	
u64 promisc;

	
struct ibmvnic_tx_pool *tx_pool;
	
bool closing;
	
struct completion init_done;

	
struct list_head errors;
	
spinlock_t error_list_lock;

	/* debugfs */
	
struct dentry *debugfs_dir;
	
struct dentry *debugfs_dump;
	
struct completion fw_done;
	
char *dump_data;
	
dma_addr_t dump_data_token;
	
int dump_data_size;
	
int ras_comp_num;
	
struct ibmvnic_fw_component *ras_comps;
	
struct ibmvnic_fw_comp_internal *ras_comp_int;
	
dma_addr_t ras_comps_tok;
	
struct dentry *ras_comps_ent;

	/* in-flight commands that allocate and/or map memory*/
	
struct list_head inflight;
	
spinlock_t inflight_lock;

	/* partner capabilities */
	
u64 min_tx_queues;
	
u64 min_rx_queues;
	
u64 min_rx_add_queues;
	
u64 max_tx_queues;
	
u64 max_rx_queues;
	
u64 max_rx_add_queues;
	
u64 req_tx_queues;
	
u64 req_rx_queues;
	
u64 req_rx_add_queues;
	
u64 min_tx_entries_per_subcrq;
	
u64 min_rx_add_entries_per_subcrq;
	
u64 max_tx_entries_per_subcrq;
	
u64 max_rx_add_entries_per_subcrq;
	
u64 req_tx_entries_per_subcrq;
	
u64 req_rx_add_entries_per_subcrq;
	
u64 tcp_ip_offload;
	
u64 promisc_requested;
	
u64 promisc_supported;
	
u64 min_mtu;
	
u64 max_mtu;
	
u64 req_mtu;
	
u64 max_multicast_filters;
	
u64 vlan_header_insertion;
	
u64 max_tx_sg_entries;
	
u64 rx_sg_supported;
	
u64 rx_sg_requested;
	
u64 opt_tx_comp_sub_queues;
	
u64 opt_rx_comp_queues;
	
u64 opt_rx_bufadd_q_per_rx_comp_q;
	
u64 opt_tx_entries_per_subcrq;
	
u64 opt_rxba_entries_per_subcrq;
	
__be64 tx_rx_desc_req;
	
u8 map_id;

	
struct work_struct vnic_crq_init;
};
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Directory: drivers/net/ethernet/ibm

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