diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_prm.h')
| -rw-r--r-- | drivers/net/mlx5/mlx5_prm.h | 124 |
1 files changed, 120 insertions, 4 deletions
diff --git a/drivers/net/mlx5/mlx5_prm.h b/drivers/net/mlx5/mlx5_prm.h index ed088eea..608072f7 100644 --- a/drivers/net/mlx5/mlx5_prm.h +++ b/drivers/net/mlx5/mlx5_prm.h @@ -34,6 +34,8 @@ #ifndef RTE_PMD_MLX5_PRM_H_ #define RTE_PMD_MLX5_PRM_H_ +#include <assert.h> + /* Verbs header. */ /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ #ifdef PEDANTIC @@ -44,6 +46,7 @@ #pragma GCC diagnostic error "-Wpedantic" #endif +#include <rte_vect.h> #include "mlx5_autoconf.h" /* Get CQE owner bit. */ @@ -70,6 +73,9 @@ /* WQE size */ #define MLX5_WQE_SIZE (4 * MLX5_WQE_DWORD_SIZE) +/* Max size of a WQE session. */ +#define MLX5_WQE_SIZE_MAX 960U + /* Compute the number of DS. */ #define MLX5_WQE_DS(n) \ (((n) + MLX5_WQE_DWORD_SIZE - 1) / MLX5_WQE_DWORD_SIZE) @@ -77,10 +83,19 @@ /* Room for inline data in multi-packet WQE. */ #define MLX5_MWQE64_INL_DATA 28 +/* Default minimum number of Tx queues for inlining packets. */ +#define MLX5_EMPW_MIN_TXQS 8 + +/* 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 + /* CQE value to inform that VLAN is stripped. */ #define MLX5_CQE_VLAN_STRIPPED (1u << 0) @@ -117,6 +132,28 @@ /* Tunnel packet bit in the CQE. */ #define MLX5_CQE_RX_TUNNEL_PACKET (1u << 0) +/* Inner L3 checksum offload (Tunneled packets only). */ +#define MLX5_ETH_WQE_L3_INNER_CSUM (1u << 4) + +/* Inner L4 checksum offload (Tunneled packets only). */ +#define MLX5_ETH_WQE_L4_INNER_CSUM (1u << 5) + +/* Is flow mark valid. */ +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN +#define MLX5_FLOW_MARK_IS_VALID(val) ((val) & 0xffffff00) +#else +#define MLX5_FLOW_MARK_IS_VALID(val) ((val) & 0xffffff) +#endif + +/* INVALID is used by packets matching no flow rules. */ +#define MLX5_FLOW_MARK_INVALID 0 + +/* Maximum allowed value to mark a packet. */ +#define MLX5_FLOW_MARK_MAX 0xfffff0 + +/* Default mark value used when none is provided. */ +#define MLX5_FLOW_MARK_DEFAULT 0xffffff + /* Subset of struct mlx5_wqe_eth_seg. */ struct mlx5_wqe_eth_seg_small { uint32_t rsvd0; @@ -126,12 +163,19 @@ struct mlx5_wqe_eth_seg_small { uint32_t rsvd2; uint16_t inline_hdr_sz; uint8_t inline_hdr[2]; -}; +} __rte_aligned(MLX5_WQE_DWORD_SIZE); struct mlx5_wqe_inl_small { uint32_t byte_cnt; uint8_t raw; -}; +} __rte_aligned(MLX5_WQE_DWORD_SIZE); + +struct mlx5_wqe_ctrl { + uint32_t ctrl0; + uint32_t ctrl1; + uint32_t ctrl2; + uint32_t ctrl3; +} __rte_aligned(MLX5_WQE_DWORD_SIZE); /* Small common part of the WQE. */ struct mlx5_wqe { @@ -139,16 +183,30 @@ struct mlx5_wqe { struct mlx5_wqe_eth_seg_small eseg; }; +/* Vectorize WQE header. */ +struct mlx5_wqe_v { + rte_v128u32_t ctrl; + rte_v128u32_t eseg; +}; + /* WQE. */ struct mlx5_wqe64 { struct mlx5_wqe hdr; uint8_t raw[32]; -} __rte_aligned(64); +} __rte_aligned(MLX5_WQE_SIZE); + +/* MPW mode. */ +enum mlx5_mpw_mode { + MLX5_MPW_DISABLED, + MLX5_MPW, + MLX5_MPW_ENHANCED, /* Enhanced Multi-Packet Send WQE, a.k.a MPWv2. */ +}; /* MPW session status. */ enum mlx5_mpw_state { MLX5_MPW_STATE_OPENED, MLX5_MPW_INL_STATE_OPENED, + MLX5_MPW_ENHANCED_STATE_OPENED, MLX5_MPW_STATE_CLOSED, }; @@ -180,10 +238,68 @@ struct mlx5_cqe { uint8_t rsvd2[12]; uint32_t byte_cnt; uint64_t timestamp; - uint8_t rsvd3[4]; + uint32_t sop_drop_qpn; uint16_t wqe_counter; uint8_t rsvd4; uint8_t op_own; }; +/** + * Convert a user mark to flow mark. + * + * @param val + * Mark value to convert. + * + * @return + * Converted mark value. + */ +static inline uint32_t +mlx5_flow_mark_set(uint32_t val) +{ + uint32_t ret; + + /* + * Add one to the user value to differentiate un-marked flows from + * marked flows, if the ID is equal to MLX5_FLOW_MARK_DEFAULT it + * remains untouched. + */ + if (val != MLX5_FLOW_MARK_DEFAULT) + ++val; +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + /* + * Mark is 24 bits (minus reserved values) but is stored on a 32 bit + * word, byte-swapped by the kernel on little-endian systems. In this + * case, left-shifting the resulting big-endian value ensures the + * least significant 24 bits are retained when converting it back. + */ + ret = rte_cpu_to_be_32(val) >> 8; +#else + ret = val; +#endif + return ret; +} + +/** + * Convert a mark to user mark. + * + * @param val + * Mark value to convert. + * + * @return + * Converted mark value. + */ +static inline uint32_t +mlx5_flow_mark_get(uint32_t val) +{ + /* + * Subtract one from the retrieved value. It was added by + * mlx5_flow_mark_set() to distinguish unmarked flows. + */ +#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + return (val >> 8) - 1; +#else + return val - 1; +#endif +} + #endif /* RTE_PMD_MLX5_PRM_H_ */ |