* boundary with accounting the title Control and Ethernet
* segments.
*/
-#define MLX5_EMPW_DEF_INLINE_LEN (3U * MLX5_WQE_SIZE + \
- MLX5_DSEG_MIN_INLINE_SIZE - \
- MLX5_WQE_DSEG_SIZE)
+#define MLX5_EMPW_DEF_INLINE_LEN (4u * MLX5_WQE_SIZE + \
+ MLX5_DSEG_MIN_INLINE_SIZE)
/*
* Maximal inline data length sent with enhanced MPW.
* Is based on maximal WQE size.
* If there are no enough resources to built minimal
* EMPW the sending loop exits.
*/
-#define MLX5_EMPW_MIN_PACKETS (2 + 3 * 4)
-#define MLX5_EMPW_MAX_PACKETS ((MLX5_WQE_SIZE_MAX - \
- MLX5_WQE_CSEG_SIZE - \
- MLX5_WQE_ESEG_SIZE) / \
- MLX5_WSEG_SIZE)
+#define MLX5_EMPW_MIN_PACKETS (2u + 3u * 4u)
+/*
+ * Maximal amount of packets to be sent with EMPW.
+ * This value is not recommended to exceed MLX5_TX_COMP_THRESH,
+ * otherwise there might be up to MLX5_EMPW_MAX_PACKETS mbufs
+ * without CQE generation request, being multiplied by
+ * MLX5_TX_COMP_MAX_CQE it may cause significant latency
+ * in tx burst routine at the moment of freeing multiple mbufs.
+ */
+#define MLX5_EMPW_MAX_PACKETS MLX5_TX_COMP_THRESH
/*
* Default packet length threshold to be inlined with
* ordinary SEND. Inlining saves the MR key search
/* Tunnel packet bit in the CQE. */
#define MLX5_CQE_RX_TUNNEL_PACKET (1u << 0)
+/* Mask for LRO push flag in the CQE lro_tcppsh_abort_dupack field. */
+#define MLX5_CQE_LRO_PUSH_MASK 0x40
+
+/* Mask for L4 type in the CQE hdr_type_etc field. */
+#define MLX5_CQE_L4_TYPE_MASK 0x70
+
+/* The bit index of L4 type in CQE hdr_type_etc field. */
+#define MLX5_CQE_L4_TYPE_SHIFT 0x4
+
+/* L4 type to indicate TCP packet without acknowledgment. */
+#define MLX5_L4_HDR_TYPE_TCP_EMPTY_ACK 0x3
+
+/* L4 type to indicate TCP packet with acknowledgment. */
+#define MLX5_L4_HDR_TYPE_TCP_WITH_ACL 0x4
+
/* Inner L3 checksum offload (Tunneled packets only). */
#define MLX5_ETH_WQE_L3_INNER_CSUM (1u << 4)
/* Amount of data bytes after eth data segment. */
#define MLX5_ESEG_EXTRA_DATA_SIZE 32u
+/* The maximum log value of segments per RQ WQE. */
+#define MLX5_MAX_LOG_RQ_SEGS 5u
+
+/* The alignment needed for WQ buffer. */
+#define MLX5_WQE_BUF_ALIGNMENT 512
+
/* Completion mode. */
enum mlx5_completion_mode {
MLX5_COMP_ONLY_ERR = 0x0,
uint8_t pkt_info;
uint8_t rsvd0;
uint16_t wqe_id;
- uint8_t rsvd3[8];
+ uint8_t lro_tcppsh_abort_dupack;
+ uint8_t lro_min_ttl;
+ uint16_t lro_tcp_win;
+ uint32_t lro_ack_seq_num;
uint32_t rx_hash_res;
uint8_t rx_hash_type;
- uint8_t rsvd1[11];
+ uint8_t rsvd1[3];
+ uint16_t csum;
+ uint8_t rsvd2[6];
uint16_t hdr_type_etc;
uint16_t vlan_info;
- uint8_t rsvd2[12];
+ uint8_t lro_num_seg;
+ uint8_t rsvd3[11];
uint32_t byte_cnt;
uint64_t timestamp;
uint32_t sop_drop_qpn;
MLX5_MODI_OUT_DIPV6_31_0,
MLX5_MODI_OUT_SIPV4,
MLX5_MODI_OUT_DIPV4,
+ MLX5_MODI_OUT_FIRST_VID,
MLX5_MODI_IN_SMAC_47_16 = 0x31,
MLX5_MODI_IN_SMAC_15_0,
MLX5_MODI_IN_ETHERTYPE,
struct mlx5_ifc_fte_match_mpls_bits inner_first_mpls;
struct mlx5_ifc_fte_match_mpls_bits outer_first_mpls_over_gre;
struct mlx5_ifc_fte_match_mpls_bits outer_first_mpls_over_udp;
- u8 reserved_at_80[0x100];
+ u8 metadata_reg_c_7[0x20];
+ u8 metadata_reg_c_6[0x20];
+ u8 metadata_reg_c_5[0x20];
+ u8 metadata_reg_c_4[0x20];
+ u8 metadata_reg_c_3[0x20];
+ u8 metadata_reg_c_2[0x20];
+ u8 metadata_reg_c_1[0x20];
+ u8 metadata_reg_c_0[0x20];
u8 metadata_reg_a[0x20];
u8 reserved_at_1a0[0x60];
};
MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
MLX5_CMD_OP_CREATE_MKEY = 0x200,
MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT = 0x754,
+ MLX5_CMD_OP_CREATE_TIR = 0x900,
+ MLX5_CMD_OP_CREATE_RQ = 0x908,
+ MLX5_CMD_OP_MODIFY_RQ = 0x909,
+ MLX5_CMD_OP_QUERY_TIS = 0x915,
+ MLX5_CMD_OP_CREATE_RQT = 0x916,
MLX5_CMD_OP_ALLOC_FLOW_COUNTER = 0x939,
MLX5_CMD_OP_QUERY_FLOW_COUNTER = 0x93b,
};
MLX5_INLINE_MODE_INNER_TCP_UDP,
};
+/* HCA bit masks indicating which Flex parser protocols are already enabled. */
+#define MLX5_HCA_FLEX_IPV4_OVER_VXLAN_ENABLED (1UL << 0)
+#define MLX5_HCA_FLEX_IPV6_OVER_VXLAN_ENABLED (1UL << 1)
+#define MLX5_HCA_FLEX_IPV6_OVER_IP_ENABLED (1UL << 2)
+#define MLX5_HCA_FLEX_GENEVE_ENABLED (1UL << 3)
+#define MLX5_HCA_FLEX_CW_MPLS_OVER_GRE_ENABLED (1UL << 4)
+#define MLX5_HCA_FLEX_CW_MPLS_OVER_UDP_ENABLED (1UL << 5)
+#define MLX5_HCA_FLEX_P_BIT_VXLAN_GPE_ENABLED (1UL << 6)
+#define MLX5_HCA_FLEX_VXLAN_GPE_ENABLED (1UL << 7)
+#define MLX5_HCA_FLEX_ICMP_ENABLED (1UL << 8)
+#define MLX5_HCA_FLEX_ICMPV6_ENABLED (1UL << 9)
+
struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_0[0x30];
u8 vhca_id[0x10];
u8 reserved_at_68[0x18];
};
+struct mlx5_ifc_tisc_bits {
+ u8 strict_lag_tx_port_affinity[0x1];
+ u8 reserved_at_1[0x3];
+ u8 lag_tx_port_affinity[0x04];
+ u8 reserved_at_8[0x4];
+ u8 prio[0x4];
+ u8 reserved_at_10[0x10];
+ u8 reserved_at_20[0x100];
+ u8 reserved_at_120[0x8];
+ u8 transport_domain[0x18];
+ u8 reserved_at_140[0x8];
+ u8 underlay_qpn[0x18];
+ u8 reserved_at_160[0x3a0];
+};
+
+struct mlx5_ifc_query_tis_out_bits {
+ u8 status[0x8];
+ u8 reserved_at_8[0x18];
+ u8 syndrome[0x20];
+ u8 reserved_at_40[0x40];
+ struct mlx5_ifc_tisc_bits tis_context;
+};
+
+struct mlx5_ifc_query_tis_in_bits {
+ u8 opcode[0x10];
+ u8 reserved_at_10[0x10];
+ u8 reserved_at_20[0x10];
+ u8 op_mod[0x10];
+ u8 reserved_at_40[0x8];
+ u8 tisn[0x18];
+ u8 reserved_at_60[0x20];
+};
+
+enum {
+ MLX5_WQ_TYPE_LINKED_LIST = 0x0,
+ MLX5_WQ_TYPE_CYCLIC = 0x1,
+ MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ = 0x2,
+ MLX5_WQ_TYPE_CYCLIC_STRIDING_RQ = 0x3,
+};
+
+enum {
+ MLX5_WQ_END_PAD_MODE_NONE = 0x0,
+ MLX5_WQ_END_PAD_MODE_ALIGN = 0x1,
+};
+
+struct mlx5_ifc_wq_bits {
+ u8 wq_type[0x4];
+ u8 wq_signature[0x1];
+ u8 end_padding_mode[0x2];
+ u8 cd_slave[0x1];
+ u8 reserved_at_8[0x18];
+ u8 hds_skip_first_sge[0x1];
+ u8 log2_hds_buf_size[0x3];
+ u8 reserved_at_24[0x7];
+ u8 page_offset[0x5];
+ u8 lwm[0x10];
+ u8 reserved_at_40[0x8];
+ u8 pd[0x18];
+ u8 reserved_at_60[0x8];
+ u8 uar_page[0x18];
+ u8 dbr_addr[0x40];
+ u8 hw_counter[0x20];
+ u8 sw_counter[0x20];
+ u8 reserved_at_100[0xc];
+ u8 log_wq_stride[0x4];
+ u8 reserved_at_110[0x3];
+ u8 log_wq_pg_sz[0x5];
+ u8 reserved_at_118[0x3];
+ u8 log_wq_sz[0x5];
+ u8 dbr_umem_valid[0x1];
+ u8 wq_umem_valid[0x1];
+ u8 reserved_at_122[0x1];
+ u8 log_hairpin_num_packets[0x5];
+ u8 reserved_at_128[0x3];
+ u8 log_hairpin_data_sz[0x5];
+ u8 reserved_at_130[0x4];
+ u8 single_wqe_log_num_of_strides[0x4];
+ u8 two_byte_shift_en[0x1];
+ u8 reserved_at_139[0x4];
+ u8 single_stride_log_num_of_bytes[0x3];
+ u8 dbr_umem_id[0x20];
+ u8 wq_umem_id[0x20];
+ u8 wq_umem_offset[0x40];
+ u8 reserved_at_1c0[0x440];
+};
+
+enum {
+ MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE = 0x0,
+ MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_RMP = 0x1,
+};
+
+enum {
+ MLX5_RQC_STATE_RST = 0x0,
+ MLX5_RQC_STATE_RDY = 0x1,
+ MLX5_RQC_STATE_ERR = 0x3,
+};
+
+struct mlx5_ifc_rqc_bits {
+ u8 rlky[0x1];
+ u8 delay_drop_en[0x1];
+ u8 scatter_fcs[0x1];
+ u8 vsd[0x1];
+ u8 mem_rq_type[0x4];
+ u8 state[0x4];
+ u8 reserved_at_c[0x1];
+ u8 flush_in_error_en[0x1];
+ u8 hairpin[0x1];
+ u8 reserved_at_f[0x11];
+ u8 reserved_at_20[0x8];
+ u8 user_index[0x18];
+ u8 reserved_at_40[0x8];
+ u8 cqn[0x18];
+ u8 counter_set_id[0x8];
+ u8 reserved_at_68[0x18];
+ u8 reserved_at_80[0x8];
+ u8 rmpn[0x18];
+ u8 reserved_at_a0[0x8];
+ u8 hairpin_peer_sq[0x18];
+ u8 reserved_at_c0[0x10];
+ u8 hairpin_peer_vhca[0x10];
+ u8 reserved_at_e0[0xa0];
+ struct mlx5_ifc_wq_bits wq; /* Not used in LRO RQ. */
+};
+
+struct mlx5_ifc_create_rq_out_bits {
+ u8 status[0x8];
+ u8 reserved_at_8[0x18];
+ u8 syndrome[0x20];
+ u8 reserved_at_40[0x8];
+ u8 rqn[0x18];
+ u8 reserved_at_60[0x20];
+};
+
+struct mlx5_ifc_create_rq_in_bits {
+ u8 opcode[0x10];
+ u8 uid[0x10];
+ u8 reserved_at_20[0x10];
+ u8 op_mod[0x10];
+ u8 reserved_at_40[0xc0];
+ struct mlx5_ifc_rqc_bits ctx;
+};
+
+struct mlx5_ifc_modify_rq_out_bits {
+ u8 status[0x8];
+ u8 reserved_at_8[0x18];
+ u8 syndrome[0x20];
+ u8 reserved_at_40[0x40];
+};
+
+enum {
+ MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_WQ_LWM = 1ULL << 0,
+ MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD = 1ULL << 1,
+ MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS = 1ULL << 2,
+ MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID = 1ULL << 3,
+};
+
+struct mlx5_ifc_modify_rq_in_bits {
+ u8 opcode[0x10];
+ u8 uid[0x10];
+ u8 reserved_at_20[0x10];
+ u8 op_mod[0x10];
+ u8 rq_state[0x4];
+ u8 reserved_at_44[0x4];
+ u8 rqn[0x18];
+ u8 reserved_at_60[0x20];
+ u8 modify_bitmask[0x40];
+ u8 reserved_at_c0[0x40];
+ struct mlx5_ifc_rqc_bits ctx;
+};
+
+enum {
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_SRC_IP = 0x0,
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_DST_IP = 0x1,
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_SPORT = 0x2,
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_L4_DPORT = 0x3,
+ MLX5_RX_HASH_FIELD_SELECT_SELECTED_FIELDS_IPSEC_SPI = 0x4,
+};
+
+struct mlx5_ifc_rx_hash_field_select_bits {
+ u8 l3_prot_type[0x1];
+ u8 l4_prot_type[0x1];
+ u8 selected_fields[0x1e];
+};
+
+enum {
+ MLX5_TIRC_DISP_TYPE_DIRECT = 0x0,
+ MLX5_TIRC_DISP_TYPE_INDIRECT = 0x1,
+};
+
+enum {
+ MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO = 0x1,
+ MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO = 0x2,
+};
+
+enum {
+ MLX5_RX_HASH_FN_NONE = 0x0,
+ MLX5_RX_HASH_FN_INVERTED_XOR8 = 0x1,
+ MLX5_RX_HASH_FN_TOEPLITZ = 0x2,
+};
+
+enum {
+ MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST = 0x1,
+ MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST = 0x2,
+};
+
+enum {
+ MLX5_LRO_MAX_MSG_SIZE_START_FROM_L4 = 0x0,
+ MLX5_LRO_MAX_MSG_SIZE_START_FROM_L2 = 0x1,
+};
+
+struct mlx5_ifc_tirc_bits {
+ u8 reserved_at_0[0x20];
+ u8 disp_type[0x4];
+ u8 reserved_at_24[0x1c];
+ u8 reserved_at_40[0x40];
+ u8 reserved_at_80[0x4];
+ u8 lro_timeout_period_usecs[0x10];
+ u8 lro_enable_mask[0x4];
+ u8 lro_max_msg_sz[0x8];
+ u8 reserved_at_a0[0x40];
+ u8 reserved_at_e0[0x8];
+ u8 inline_rqn[0x18];
+ u8 rx_hash_symmetric[0x1];
+ u8 reserved_at_101[0x1];
+ u8 tunneled_offload_en[0x1];
+ u8 reserved_at_103[0x5];
+ u8 indirect_table[0x18];
+ u8 rx_hash_fn[0x4];
+ u8 reserved_at_124[0x2];
+ u8 self_lb_block[0x2];
+ u8 transport_domain[0x18];
+ u8 rx_hash_toeplitz_key[10][0x20];
+ struct mlx5_ifc_rx_hash_field_select_bits rx_hash_field_selector_outer;
+ struct mlx5_ifc_rx_hash_field_select_bits rx_hash_field_selector_inner;
+ u8 reserved_at_2c0[0x4c0];
+};
+
+struct mlx5_ifc_create_tir_out_bits {
+ u8 status[0x8];
+ u8 reserved_at_8[0x18];
+ u8 syndrome[0x20];
+ u8 reserved_at_40[0x8];
+ u8 tirn[0x18];
+ u8 reserved_at_60[0x20];
+};
+
+struct mlx5_ifc_create_tir_in_bits {
+ u8 opcode[0x10];
+ u8 uid[0x10];
+ u8 reserved_at_20[0x10];
+ u8 op_mod[0x10];
+ u8 reserved_at_40[0xc0];
+ struct mlx5_ifc_tirc_bits ctx;
+};
+
+struct mlx5_ifc_rq_num_bits {
+ u8 reserved_at_0[0x8];
+ u8 rq_num[0x18];
+};
+
+struct mlx5_ifc_rqtc_bits {
+ u8 reserved_at_0[0xa0];
+ u8 reserved_at_a0[0x10];
+ u8 rqt_max_size[0x10];
+ u8 reserved_at_c0[0x10];
+ u8 rqt_actual_size[0x10];
+ u8 reserved_at_e0[0x6a0];
+ struct mlx5_ifc_rq_num_bits rq_num[];
+};
+
+struct mlx5_ifc_create_rqt_out_bits {
+ u8 status[0x8];
+ u8 reserved_at_8[0x18];
+ u8 syndrome[0x20];
+ u8 reserved_at_40[0x8];
+ u8 rqtn[0x18];
+ u8 reserved_at_60[0x20];
+};
+
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+struct mlx5_ifc_create_rqt_in_bits {
+ u8 opcode[0x10];
+ u8 uid[0x10];
+ u8 reserved_at_20[0x10];
+ u8 op_mod[0x10];
+ u8 reserved_at_40[0xc0];
+ struct mlx5_ifc_rqtc_bits rqt_context;
+};
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
+
/* CQE format mask. */
#define MLX5E_CQE_FORMAT_MASK 0xc