X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_prm.h;h=29742b1350ad4523bb43a7f5716c243f318518f3;hb=6bd7fbd03c62;hp=608072f7ec61a818a312ad7b0a9bf5cce15b8ab6;hpb=c604f61978889b2d205b312d778f5c50b323a349;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_prm.h b/drivers/net/mlx5/mlx5_prm.h index 608072f7ec..29742b1350 100644 --- a/drivers/net/mlx5/mlx5_prm.h +++ b/drivers/net/mlx5/mlx5_prm.h @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright 2016 6WIND S.A. - * Copyright 2016 Mellanox. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2016 6WIND S.A. + * Copyright 2016 Mellanox Technologies, Ltd */ #ifndef RTE_PMD_MLX5_PRM_H_ @@ -41,7 +13,7 @@ #ifdef PEDANTIC #pragma GCC diagnostic ignored "-Wpedantic" #endif -#include +#include #ifdef PEDANTIC #pragma GCC diagnostic error "-Wpedantic" #endif @@ -49,6 +21,9 @@ #include #include "mlx5_autoconf.h" +/* RSS hash key size. */ +#define MLX5_RSS_HASH_KEY_LEN 40 + /* Get CQE owner bit. */ #define MLX5_CQE_OWNER(op_own) ((op_own) & MLX5_CQE_OWNER_MASK) @@ -89,9 +64,6 @@ /* Default max packet length to be inlined. */ #define MLX5_EMPW_MAX_INLINE_LEN (4U * MLX5_WQE_SIZE) -#ifndef HAVE_VERBS_MLX5_OPCODE_TSO -#define MLX5_OPCODE_TSO MLX5_OPCODE_LSO_MPW /* Compat with OFED 3.3. */ -#endif #define MLX5_OPC_MOD_ENHANCED_MPSW 0 #define MLX5_OPCODE_ENHANCED_MPSW 0x29 @@ -138,6 +110,30 @@ /* Inner L4 checksum offload (Tunneled packets only). */ #define MLX5_ETH_WQE_L4_INNER_CSUM (1u << 5) +/* Outer L4 type is TCP. */ +#define MLX5_ETH_WQE_L4_OUTER_TCP (0u << 5) + +/* Outer L4 type is UDP. */ +#define MLX5_ETH_WQE_L4_OUTER_UDP (1u << 5) + +/* Outer L3 type is IPV4. */ +#define MLX5_ETH_WQE_L3_OUTER_IPV4 (0u << 4) + +/* Outer L3 type is IPV6. */ +#define MLX5_ETH_WQE_L3_OUTER_IPV6 (1u << 4) + +/* Inner L4 type is TCP. */ +#define MLX5_ETH_WQE_L4_INNER_TCP (0u << 1) + +/* Inner L4 type is UDP. */ +#define MLX5_ETH_WQE_L4_INNER_UDP (1u << 1) + +/* Inner L3 type is IPV4. */ +#define MLX5_ETH_WQE_L3_INNER_IPV4 (0u << 0) + +/* Inner L3 type is IPV6. */ +#define MLX5_ETH_WQE_L3_INNER_IPV6 (1u << 0) + /* Is flow mark valid. */ #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN #define MLX5_FLOW_MARK_IS_VALID(val) ((val) & 0xffffff00) @@ -154,13 +150,16 @@ /* Default mark value used when none is provided. */ #define MLX5_FLOW_MARK_DEFAULT 0xffffff +/* Maximum number of DS in WQE. */ +#define MLX5_DSEG_MAX 63 + /* Subset of struct mlx5_wqe_eth_seg. */ struct mlx5_wqe_eth_seg_small { uint32_t rsvd0; uint8_t cs_flags; uint8_t rsvd1; uint16_t mss; - uint32_t rsvd2; + uint32_t flow_table_metadata; uint16_t inline_hdr_sz; uint8_t inline_hdr[2]; } __rte_aligned(MLX5_WQE_DWORD_SIZE); @@ -223,13 +222,30 @@ struct mlx5_mpw { } data; }; +/* WQE for Multi-Packet RQ. */ +struct mlx5_wqe_mprq { + struct mlx5_wqe_srq_next_seg next_seg; + struct mlx5_wqe_data_seg dseg; +}; + +#define MLX5_MPRQ_LEN_MASK 0x000ffff +#define MLX5_MPRQ_LEN_SHIFT 0 +#define MLX5_MPRQ_STRIDE_NUM_MASK 0x3fff0000 +#define MLX5_MPRQ_STRIDE_NUM_SHIFT 16 +#define MLX5_MPRQ_FILLER_MASK 0x80000000 +#define MLX5_MPRQ_FILLER_SHIFT 31 + +#define MLX5_MPRQ_STRIDE_SHIFT_BYTE 2 + /* CQ element structure - should be equal to the cache line size */ struct mlx5_cqe { #if (RTE_CACHE_LINE_SIZE == 128) uint8_t padding[64]; #endif uint8_t pkt_info; - uint8_t rsvd0[11]; + uint8_t rsvd0; + uint16_t wqe_id; + uint8_t rsvd3[8]; uint32_t rx_hash_res; uint8_t rx_hash_type; uint8_t rsvd1[11]; @@ -244,6 +260,269 @@ struct mlx5_cqe { uint8_t op_own; }; +/* Adding direct verbs to data-path. */ + +/* CQ sequence number mask. */ +#define MLX5_CQ_SQN_MASK 0x3 + +/* CQ sequence number index. */ +#define MLX5_CQ_SQN_OFFSET 28 + +/* CQ doorbell index mask. */ +#define MLX5_CI_MASK 0xffffff + +/* CQ doorbell offset. */ +#define MLX5_CQ_ARM_DB 1 + +/* CQ doorbell offset*/ +#define MLX5_CQ_DOORBELL 0x20 + +/* CQE format value. */ +#define MLX5_COMPRESSED 0x3 + +/* The field of packet to be modified. */ +enum mlx5_modificaiton_field { + MLX5_MODI_OUT_SMAC_47_16 = 1, + MLX5_MODI_OUT_SMAC_15_0, + MLX5_MODI_OUT_ETHERTYPE, + MLX5_MODI_OUT_DMAC_47_16, + MLX5_MODI_OUT_DMAC_15_0, + MLX5_MODI_OUT_IP_DSCP, + MLX5_MODI_OUT_TCP_FLAGS, + MLX5_MODI_OUT_TCP_SPORT, + MLX5_MODI_OUT_TCP_DPORT, + MLX5_MODI_OUT_IPV4_TTL, + MLX5_MODI_OUT_UDP_SPORT, + MLX5_MODI_OUT_UDP_DPORT, + MLX5_MODI_OUT_SIPV6_127_96, + MLX5_MODI_OUT_SIPV6_95_64, + MLX5_MODI_OUT_SIPV6_63_32, + MLX5_MODI_OUT_SIPV6_31_0, + MLX5_MODI_OUT_DIPV6_127_96, + MLX5_MODI_OUT_DIPV6_95_64, + MLX5_MODI_OUT_DIPV6_63_32, + MLX5_MODI_OUT_DIPV6_31_0, + MLX5_MODI_OUT_SIPV4, + MLX5_MODI_OUT_DIPV4, + MLX5_MODI_IN_SMAC_47_16 = 0x31, + MLX5_MODI_IN_SMAC_15_0, + MLX5_MODI_IN_ETHERTYPE, + MLX5_MODI_IN_DMAC_47_16, + MLX5_MODI_IN_DMAC_15_0, + MLX5_MODI_IN_IP_DSCP, + MLX5_MODI_IN_TCP_FLAGS, + MLX5_MODI_IN_TCP_SPORT, + MLX5_MODI_IN_TCP_DPORT, + MLX5_MODI_IN_IPV4_TTL, + MLX5_MODI_IN_UDP_SPORT, + MLX5_MODI_IN_UDP_DPORT, + MLX5_MODI_IN_SIPV6_127_96, + MLX5_MODI_IN_SIPV6_95_64, + MLX5_MODI_IN_SIPV6_63_32, + MLX5_MODI_IN_SIPV6_31_0, + MLX5_MODI_IN_DIPV6_127_96, + MLX5_MODI_IN_DIPV6_95_64, + MLX5_MODI_IN_DIPV6_63_32, + MLX5_MODI_IN_DIPV6_31_0, + MLX5_MODI_IN_SIPV4, + MLX5_MODI_IN_DIPV4, + MLX5_MODI_OUT_IPV6_HOPLIMIT, + MLX5_MODI_IN_IPV6_HOPLIMIT, + MLX5_MODI_META_DATA_REG_A, + MLX5_MODI_META_DATA_REG_B = 0x50, +}; + +/* Modification sub command. */ +struct mlx5_modification_cmd { + union { + uint32_t data0; + struct { + unsigned int bits:5; + unsigned int rsvd0:3; + unsigned int src_offset:5; /* Start bit offset. */ + unsigned int rsvd1:3; + unsigned int src_field:12; + unsigned int type:4; + }; + }; + union { + uint32_t data1; + uint8_t data[4]; + struct { + unsigned int rsvd2:8; + unsigned int dst_offset:8; + unsigned int dst_field:12; + unsigned int rsvd3:4; + }; + }; +}; + +typedef uint32_t u32; +typedef uint16_t u16; +typedef uint8_t u8; + +#define __mlx5_nullp(typ) ((struct mlx5_ifc_##typ##_bits *)0) +#define __mlx5_bit_sz(typ, fld) sizeof(__mlx5_nullp(typ)->fld) +#define __mlx5_bit_off(typ, fld) ((unsigned int)(unsigned long) \ + (&(__mlx5_nullp(typ)->fld))) +#define __mlx5_dw_bit_off(typ, fld) (32 - __mlx5_bit_sz(typ, fld) - \ + (__mlx5_bit_off(typ, fld) & 0x1f)) +#define __mlx5_dw_off(typ, fld) (__mlx5_bit_off(typ, fld) / 32) +#define __mlx5_dw_mask(typ, fld) (__mlx5_mask(typ, fld) << \ + __mlx5_dw_bit_off(typ, fld)) +#define __mlx5_mask(typ, fld) ((u32)((1ull << __mlx5_bit_sz(typ, fld)) - 1)) +#define __mlx5_16_off(typ, fld) (__mlx5_bit_off(typ, fld) / 16) +#define __mlx5_16_bit_off(typ, fld) (16 - __mlx5_bit_sz(typ, fld) - \ + (__mlx5_bit_off(typ, fld) & 0xf)) +#define __mlx5_mask16(typ, fld) ((u16)((1ull << __mlx5_bit_sz(typ, fld)) - 1)) +#define MLX5_ST_SZ_DW(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 32) +#define MLX5_ST_SZ_DB(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 8) +#define MLX5_BYTE_OFF(typ, fld) (__mlx5_bit_off(typ, fld) / 8) +#define MLX5_ADDR_OF(typ, p, fld) ((char *)(p) + MLX5_BYTE_OFF(typ, fld)) + +/* insert a value to a struct */ +#define MLX5_SET(typ, p, fld, v) \ + do { \ + u32 _v = v; \ + *((__be32 *)(p) + __mlx5_dw_off(typ, fld)) = \ + rte_cpu_to_be_32((rte_be_to_cpu_32(*((u32 *)(p) + \ + __mlx5_dw_off(typ, fld))) & \ + (~__mlx5_dw_mask(typ, fld))) | \ + (((_v) & __mlx5_mask(typ, fld)) << \ + __mlx5_dw_bit_off(typ, fld))); \ + } while (0) +#define MLX5_GET16(typ, p, fld) \ + ((rte_be_to_cpu_16(*((__be16 *)(p) + \ + __mlx5_16_off(typ, fld))) >> __mlx5_16_bit_off(typ, fld)) & \ + __mlx5_mask16(typ, fld)) +#define MLX5_FLD_SZ_BYTES(typ, fld) (__mlx5_bit_sz(typ, fld) / 8) + +struct mlx5_ifc_fte_match_set_misc_bits { + u8 reserved_at_0[0x8]; + u8 source_sqn[0x18]; + u8 reserved_at_20[0x10]; + u8 source_port[0x10]; + u8 outer_second_prio[0x3]; + u8 outer_second_cfi[0x1]; + u8 outer_second_vid[0xc]; + u8 inner_second_prio[0x3]; + u8 inner_second_cfi[0x1]; + u8 inner_second_vid[0xc]; + u8 outer_second_cvlan_tag[0x1]; + u8 inner_second_cvlan_tag[0x1]; + u8 outer_second_svlan_tag[0x1]; + u8 inner_second_svlan_tag[0x1]; + u8 reserved_at_64[0xc]; + u8 gre_protocol[0x10]; + u8 gre_key_h[0x18]; + u8 gre_key_l[0x8]; + u8 vxlan_vni[0x18]; + u8 reserved_at_b8[0x8]; + u8 reserved_at_c0[0x20]; + u8 reserved_at_e0[0xc]; + u8 outer_ipv6_flow_label[0x14]; + u8 reserved_at_100[0xc]; + u8 inner_ipv6_flow_label[0x14]; + u8 reserved_at_120[0xe0]; +}; + +struct mlx5_ifc_ipv4_layout_bits { + u8 reserved_at_0[0x60]; + u8 ipv4[0x20]; +}; + +struct mlx5_ifc_ipv6_layout_bits { + u8 ipv6[16][0x8]; +}; + +union mlx5_ifc_ipv6_layout_ipv4_layout_auto_bits { + struct mlx5_ifc_ipv6_layout_bits ipv6_layout; + struct mlx5_ifc_ipv4_layout_bits ipv4_layout; + u8 reserved_at_0[0x80]; +}; + +struct mlx5_ifc_fte_match_set_lyr_2_4_bits { + u8 smac_47_16[0x20]; + u8 smac_15_0[0x10]; + u8 ethertype[0x10]; + u8 dmac_47_16[0x20]; + u8 dmac_15_0[0x10]; + u8 first_prio[0x3]; + u8 first_cfi[0x1]; + u8 first_vid[0xc]; + u8 ip_protocol[0x8]; + u8 ip_dscp[0x6]; + u8 ip_ecn[0x2]; + u8 cvlan_tag[0x1]; + u8 svlan_tag[0x1]; + u8 frag[0x1]; + u8 ip_version[0x4]; + u8 tcp_flags[0x9]; + u8 tcp_sport[0x10]; + u8 tcp_dport[0x10]; + u8 reserved_at_c0[0x20]; + u8 udp_sport[0x10]; + u8 udp_dport[0x10]; + union mlx5_ifc_ipv6_layout_ipv4_layout_auto_bits src_ipv4_src_ipv6; + union mlx5_ifc_ipv6_layout_ipv4_layout_auto_bits dst_ipv4_dst_ipv6; +}; + +struct mlx5_ifc_fte_match_mpls_bits { + u8 mpls_label[0x14]; + u8 mpls_exp[0x3]; + u8 mpls_s_bos[0x1]; + u8 mpls_ttl[0x8]; +}; + +struct mlx5_ifc_fte_match_set_misc2_bits { + struct mlx5_ifc_fte_match_mpls_bits outer_first_mpls; + 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_a[0x20]; + u8 reserved_at_1a0[0x60]; +}; + +/* Flow matcher. */ +struct mlx5_ifc_fte_match_param_bits { + struct mlx5_ifc_fte_match_set_lyr_2_4_bits outer_headers; + struct mlx5_ifc_fte_match_set_misc_bits misc_parameters; + struct mlx5_ifc_fte_match_set_lyr_2_4_bits inner_headers; + struct mlx5_ifc_fte_match_set_misc2_bits misc_parameters_2; + u8 reserved_at_800[0x800]; +}; + +enum { + MLX5_MATCH_CRITERIA_ENABLE_OUTER_BIT, + MLX5_MATCH_CRITERIA_ENABLE_MISC_BIT, + MLX5_MATCH_CRITERIA_ENABLE_INNER_BIT, + MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT +}; + +/* CQE format mask. */ +#define MLX5E_CQE_FORMAT_MASK 0xc + +/* MPW opcode. */ +#define MLX5_OPC_MOD_MPW 0x01 + +/* Compressed Rx CQE structure. */ +struct mlx5_mini_cqe8 { + union { + uint32_t rx_hash_result; + struct { + uint16_t checksum; + uint16_t stride_idx; + }; + struct { + uint16_t wqe_counter; + uint8_t s_wqe_opcode; + uint8_t reserved; + } s_wqe_info; + }; + uint32_t byte_cnt; +}; + /** * Convert a user mark to flow mark. *