v4.19.13 snapshot.
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h
new file mode 100644
index 0000000..735f481
--- /dev/null
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -0,0 +1,1083 @@
+/**************************************************************************/
+/* */
+/* 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 "1.0.1"
+#define IBMVNIC_INVALID_MAP -1
+#define IBMVNIC_STATS_TIMEOUT 1
+#define IBMVNIC_INIT_FAILED 2
+
+/* 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_QUEUES 10
+
+#define IBMVNIC_TSO_BUF_SZ 65536
+#define IBMVNIC_TSO_BUFS 64
+#define IBMVNIC_TSO_POOL_MASK 0x80000000
+
+#define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
+#define IBMVNIC_BUFFER_HLEN 500
+
+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;
+ __be32 client_data_offset;
+ __be32 client_data_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);
+
+#define NUM_TX_STATS 3
+struct ibmvnic_tx_queue_stats {
+ u64 packets;
+ u64 bytes;
+ u64 dropped_packets;
+};
+
+#define NUM_RX_STATS 3
+struct ibmvnic_rx_queue_stats {
+ u64 packets;
+ u64 bytes;
+ u64 interrupts;
+};
+
+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_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];
+ u8 reserved[4];
+ struct ibmvnic_rc rc;
+} __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 {
+ u8 first;
+ u8 cmd;
+ u8 reserved[14];
+} __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_get_vpd_rsp {
+ u8 first;
+ u8 cmd;
+ u8 reserved[10];
+ struct ibmvnic_rc rc;
+} __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[8];
+ 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_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_get_vpd_size get_vpd_size;
+ struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
+ struct ibmvnic_get_vpd get_vpd;
+ struct ibmvnic_get_vpd_rsp 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,
+ RX_VLAN_HEADER_INSERTION = 24,
+ 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,
+ LOGICAL_LINK_STATE = 0x0C,
+ LOGICAL_LINK_STATE_RSP = 0x8C,
+ REQUEST_STATISTICS = 0x0D,
+ REQUEST_STATISTICS_RSP = 0x8D,
+ 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,
+ 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,
+ IBMVNIC_DEVICE_FAILOVER = 0x08,
+};
+
+struct ibmvnic_crq_queue {
+ union ibmvnic_crq *msgs;
+ int size, cur;
+ dma_addr_t msg_token;
+ spinlock_t lock;
+ bool active;
+};
+
+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;
+ atomic_t used;
+};
+
+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;
+ union sub_crq indir_arr[6];
+ u8 hdr_data[140];
+ dma_addr_t indir_dma;
+ int num_entries;
+};
+
+struct ibmvnic_tx_pool {
+ struct ibmvnic_tx_buff *tx_buff;
+ int *free_map;
+ int consumer_index;
+ int producer_index;
+ struct ibmvnic_long_term_buff long_term_buff;
+ int num_buffers;
+ int buf_size;
+};
+
+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_vpd {
+ unsigned char *buff;
+ dma_addr_t dma_addr;
+ u64 len;
+};
+
+enum vnic_state {VNIC_PROBING = 1,
+ VNIC_PROBED,
+ VNIC_OPENING,
+ VNIC_OPEN,
+ VNIC_CLOSING,
+ VNIC_CLOSED,
+ VNIC_REMOVING,
+ VNIC_REMOVED};
+
+enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
+ VNIC_RESET_MOBILITY,
+ VNIC_RESET_FATAL,
+ VNIC_RESET_NON_FATAL,
+ VNIC_RESET_TIMEOUT,
+ VNIC_RESET_CHANGE_PARAM};
+
+struct ibmvnic_rwi {
+ enum ibmvnic_reset_reason reset_reason;
+ struct list_head list;
+};
+
+struct ibmvnic_tunables {
+ u64 rx_queues;
+ u64 tx_queues;
+ u64 rx_entries;
+ u64 tx_entries;
+ u64 mtu;
+ struct sockaddr mac;
+};
+
+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;
+ u32 msg_enable;
+
+ /* Vital Product Data (VPD) */
+ struct ibmvnic_vpd *vpd;
+ char fw_version[32];
+
+ /* Statistics */
+ 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;
+
+ struct ibmvnic_tx_queue_stats *tx_stats_buffers;
+ struct ibmvnic_rx_queue_stats *rx_stats_buffers;
+
+ 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_crqs;
+ bool wait_capability;
+
+ struct ibmvnic_sub_crq_queue **tx_scrq;
+ struct ibmvnic_sub_crq_queue **rx_scrq;
+
+ /* rx structs */
+ struct napi_struct *napi;
+ struct ibmvnic_rx_pool *rx_pool;
+ u64 promisc;
+
+ struct ibmvnic_tx_pool *tx_pool;
+ struct ibmvnic_tx_pool *tso_pool;
+ struct completion init_done;
+ int init_done_rc;
+
+ struct completion fw_done;
+ int fw_done_rc;
+
+ struct completion reset_done;
+ int reset_done_rc;
+ bool wait_for_reset;
+
+ /* 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 rx_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;
+ u32 num_active_rx_scrqs;
+ u32 num_active_rx_pools;
+ u32 num_active_rx_napi;
+ u32 num_active_tx_scrqs;
+ u32 num_active_tx_pools;
+
+ struct tasklet_struct tasklet;
+ enum vnic_state state;
+ enum ibmvnic_reset_reason reset_reason;
+ struct mutex rwi_lock;
+ struct list_head rwi_list;
+ struct work_struct ibmvnic_reset;
+ bool resetting;
+ bool napi_enabled, from_passive_init;
+
+ bool mac_change_pending;
+ bool failover_pending;
+ bool force_reset_recovery;
+
+ struct ibmvnic_tunables desired;
+ struct ibmvnic_tunables fallback;
+};