-/*-
- * 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_
#ifdef PEDANTIC
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
-#include <infiniband/mlx5_hw.h>
+#include <infiniband/mlx5dv.h>
#ifdef PEDANTIC
#pragma GCC diagnostic error "-Wpedantic"
#endif
/* 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)
/* Room for inline data in multi-packet WQE. */
#define MLX5_MWQE64_INL_DATA 28
-#ifndef HAVE_VERBS_MLX5_OPCODE_TSO
-#define MLX5_OPCODE_TSO MLX5_OPCODE_LSO_MPW /* Compat with OFED 3.3. */
-#endif
+/* 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)
+
+
+#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)
/* 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)
+
+/* 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)
+#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
/* 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 raw[32];
} __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,
};
} 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 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
+
+/* 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;
+ uint32_t checksum;
+ 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.
*