4ac9ad07bd
This patch separates Tx burst function implementations to different source files, thus allowing them to compile in parallel. Signed-off-by: Michael Baum <michaelba@nvidia.com> Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
432 lines
13 KiB
C
432 lines
13 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2015 6WIND S.A.
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* Copyright 2015-2019 Mellanox Technologies, Ltd
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*/
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <rte_mbuf.h>
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#include <rte_mempool.h>
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#include <rte_prefetch.h>
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#include <rte_common.h>
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#include <rte_branch_prediction.h>
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#include <rte_ether.h>
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#include <rte_cycles.h>
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#include <rte_flow.h>
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#include <mlx5_prm.h>
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#include <mlx5_common.h>
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#include "mlx5_autoconf.h"
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#include "mlx5_defs.h"
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#include "mlx5.h"
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#include "mlx5_mr.h"
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#include "mlx5_utils.h"
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#include "mlx5_rxtx.h"
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#include "mlx5_rx.h"
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#include "mlx5_tx.h"
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/* static asserts */
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static_assert(MLX5_CQE_STATUS_HW_OWN < 0, "Must be negative value");
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static_assert(MLX5_CQE_STATUS_SW_OWN < 0, "Must be negative value");
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static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
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(sizeof(uint16_t) +
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sizeof(rte_v128u32_t)),
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"invalid Ethernet Segment data size");
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static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
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(sizeof(uint16_t) +
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sizeof(struct rte_vlan_hdr) +
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2 * RTE_ETHER_ADDR_LEN),
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"invalid Ethernet Segment data size");
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static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
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(sizeof(uint16_t) +
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sizeof(rte_v128u32_t)),
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"invalid Ethernet Segment data size");
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static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
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(sizeof(uint16_t) +
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sizeof(struct rte_vlan_hdr) +
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2 * RTE_ETHER_ADDR_LEN),
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"invalid Ethernet Segment data size");
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static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
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(sizeof(uint16_t) +
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sizeof(rte_v128u32_t)),
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"invalid Ethernet Segment data size");
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static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
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(sizeof(uint16_t) +
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sizeof(struct rte_vlan_hdr) +
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2 * RTE_ETHER_ADDR_LEN),
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"invalid Ethernet Segment data size");
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static_assert(MLX5_DSEG_MIN_INLINE_SIZE ==
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(2 * RTE_ETHER_ADDR_LEN),
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"invalid Data Segment data size");
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static_assert(MLX5_EMPW_MIN_PACKETS >= 2, "invalid min size");
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static_assert(MLX5_EMPW_MIN_PACKETS >= 2, "invalid min size");
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static_assert((sizeof(struct rte_vlan_hdr) +
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sizeof(struct rte_ether_hdr)) ==
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MLX5_ESEG_MIN_INLINE_SIZE,
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"invalid min inline data size");
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static_assert(MLX5_WQE_SIZE_MAX / MLX5_WSEG_SIZE <=
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MLX5_DSEG_MAX, "invalid WQE max size");
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static_assert(MLX5_WQE_CSEG_SIZE == MLX5_WSEG_SIZE,
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"invalid WQE Control Segment size");
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static_assert(MLX5_WQE_ESEG_SIZE == MLX5_WSEG_SIZE,
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"invalid WQE Ethernet Segment size");
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static_assert(MLX5_WQE_DSEG_SIZE == MLX5_WSEG_SIZE,
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"invalid WQE Data Segment size");
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static_assert(MLX5_WQE_SIZE == 4 * MLX5_WSEG_SIZE,
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"invalid WQE size");
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uint32_t mlx5_ptype_table[] __rte_cache_aligned = {
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[0xff] = RTE_PTYPE_ALL_MASK, /* Last entry for errored packet. */
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};
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uint8_t mlx5_cksum_table[1 << 10] __rte_cache_aligned;
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uint8_t mlx5_swp_types_table[1 << 10] __rte_cache_aligned;
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uint64_t rte_net_mlx5_dynf_inline_mask;
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/**
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* Build a table to translate Rx completion flags to packet type.
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*
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* @note: fix mlx5_dev_supported_ptypes_get() if any change here.
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*/
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void
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mlx5_set_ptype_table(void)
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{
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unsigned int i;
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uint32_t (*p)[RTE_DIM(mlx5_ptype_table)] = &mlx5_ptype_table;
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/* Last entry must not be overwritten, reserved for errored packet. */
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for (i = 0; i < RTE_DIM(mlx5_ptype_table) - 1; ++i)
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(*p)[i] = RTE_PTYPE_UNKNOWN;
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/*
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* The index to the array should have:
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* bit[1:0] = l3_hdr_type
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* bit[4:2] = l4_hdr_type
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* bit[5] = ip_frag
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* bit[6] = tunneled
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* bit[7] = outer_l3_type
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*/
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/* L2 */
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(*p)[0x00] = RTE_PTYPE_L2_ETHER;
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/* L3 */
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(*p)[0x01] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_NONFRAG;
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(*p)[0x02] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_NONFRAG;
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/* Fragmented */
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(*p)[0x21] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_FRAG;
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(*p)[0x22] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_FRAG;
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/* TCP */
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(*p)[0x05] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x06] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x0d] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x0e] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x11] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x12] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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/* UDP */
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(*p)[0x09] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_UDP;
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(*p)[0x0a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_UDP;
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/* Repeat with outer_l3_type being set. Just in case. */
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(*p)[0x81] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_NONFRAG;
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(*p)[0x82] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_NONFRAG;
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(*p)[0xa1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_FRAG;
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(*p)[0xa2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_FRAG;
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(*p)[0x85] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x86] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x8d] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x8e] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x91] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x92] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_TCP;
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(*p)[0x89] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_L4_UDP;
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(*p)[0x8a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_L4_UDP;
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/* Tunneled - L3 */
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(*p)[0x40] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
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(*p)[0x41] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_NONFRAG;
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(*p)[0x42] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_NONFRAG;
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(*p)[0xc0] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
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(*p)[0xc1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_NONFRAG;
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(*p)[0xc2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_NONFRAG;
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/* Tunneled - Fragmented */
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(*p)[0x61] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_FRAG;
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(*p)[0x62] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_FRAG;
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(*p)[0xe1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_FRAG;
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(*p)[0xe2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_FRAG;
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/* Tunneled - TCP */
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(*p)[0x45] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0x46] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0x4d] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0x4e] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0x51] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0x52] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0xc5] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0xc6] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0xcd] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0xce] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0xd1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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(*p)[0xd2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_TCP;
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/* Tunneled - UDP */
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(*p)[0x49] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_UDP;
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(*p)[0x4a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_UDP;
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(*p)[0xc9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_UDP;
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(*p)[0xca] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
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RTE_PTYPE_INNER_L4_UDP;
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}
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/**
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* Build a table to translate packet to checksum type of Verbs.
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*/
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void
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mlx5_set_cksum_table(void)
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{
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unsigned int i;
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uint8_t v;
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/*
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* The index should have:
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* bit[0] = PKT_TX_TCP_SEG
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* bit[2:3] = PKT_TX_UDP_CKSUM, PKT_TX_TCP_CKSUM
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* bit[4] = PKT_TX_IP_CKSUM
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* bit[8] = PKT_TX_OUTER_IP_CKSUM
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* bit[9] = tunnel
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*/
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for (i = 0; i < RTE_DIM(mlx5_cksum_table); ++i) {
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v = 0;
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if (i & (1 << 9)) {
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/* Tunneled packet. */
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if (i & (1 << 8)) /* Outer IP. */
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v |= MLX5_ETH_WQE_L3_CSUM;
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if (i & (1 << 4)) /* Inner IP. */
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v |= MLX5_ETH_WQE_L3_INNER_CSUM;
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if (i & (3 << 2 | 1 << 0)) /* L4 or TSO. */
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v |= MLX5_ETH_WQE_L4_INNER_CSUM;
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} else {
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/* No tunnel. */
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if (i & (1 << 4)) /* IP. */
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v |= MLX5_ETH_WQE_L3_CSUM;
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if (i & (3 << 2 | 1 << 0)) /* L4 or TSO. */
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v |= MLX5_ETH_WQE_L4_CSUM;
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}
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mlx5_cksum_table[i] = v;
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}
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}
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/**
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* Build a table to translate packet type of mbuf to SWP type of Verbs.
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*/
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void
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mlx5_set_swp_types_table(void)
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{
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unsigned int i;
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uint8_t v;
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/*
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* The index should have:
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* bit[0:1] = PKT_TX_L4_MASK
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* bit[4] = PKT_TX_IPV6
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* bit[8] = PKT_TX_OUTER_IPV6
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* bit[9] = PKT_TX_OUTER_UDP
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*/
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for (i = 0; i < RTE_DIM(mlx5_swp_types_table); ++i) {
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v = 0;
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if (i & (1 << 8))
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v |= MLX5_ETH_WQE_L3_OUTER_IPV6;
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if (i & (1 << 9))
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v |= MLX5_ETH_WQE_L4_OUTER_UDP;
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if (i & (1 << 4))
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v |= MLX5_ETH_WQE_L3_INNER_IPV6;
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if ((i & 3) == (PKT_TX_UDP_CKSUM >> 52))
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v |= MLX5_ETH_WQE_L4_INNER_UDP;
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mlx5_swp_types_table[i] = v;
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}
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}
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#define MLX5_SYSTEM_LOG_DIR "/var/log"
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/**
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* Dump debug information to log file.
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*
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* @param fname
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* The file name.
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* @param hex_title
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* If not NULL this string is printed as a header to the output
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* and the output will be in hexadecimal view.
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* @param buf
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* This is the buffer address to print out.
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* @param len
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* The number of bytes to dump out.
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*/
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void
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mlx5_dump_debug_information(const char *fname, const char *hex_title,
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const void *buf, unsigned int hex_len)
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{
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FILE *fd;
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MKSTR(path, "%s/%s", MLX5_SYSTEM_LOG_DIR, fname);
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fd = fopen(path, "a+");
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if (!fd) {
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DRV_LOG(WARNING, "cannot open %s for debug dump", path);
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MKSTR(path2, "./%s", fname);
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fd = fopen(path2, "a+");
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if (!fd) {
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DRV_LOG(ERR, "cannot open %s for debug dump", path2);
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return;
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}
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DRV_LOG(INFO, "New debug dump in file %s", path2);
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} else {
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DRV_LOG(INFO, "New debug dump in file %s", path);
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}
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if (hex_title)
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rte_hexdump(fd, hex_title, buf, hex_len);
|
|
else
|
|
fprintf(fd, "%s", (const char *)buf);
|
|
fprintf(fd, "\n\n\n");
|
|
fclose(fd);
|
|
}
|
|
|
|
/**
|
|
* Modify a Verbs/DevX queue state.
|
|
* This must be called from the primary process.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param sm
|
|
* State modify request parameters.
|
|
*
|
|
* @return
|
|
* 0 in case of success else non-zero value and rte_errno is set.
|
|
*/
|
|
int
|
|
mlx5_queue_state_modify_primary(struct rte_eth_dev *dev,
|
|
const struct mlx5_mp_arg_queue_state_modify *sm)
|
|
{
|
|
int ret;
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
|
|
if (sm->is_wq) {
|
|
struct mlx5_rxq_data *rxq = (*priv->rxqs)[sm->queue_id];
|
|
struct mlx5_rxq_ctrl *rxq_ctrl =
|
|
container_of(rxq, struct mlx5_rxq_ctrl, rxq);
|
|
|
|
ret = priv->obj_ops.rxq_obj_modify(rxq_ctrl->obj, sm->state);
|
|
if (ret) {
|
|
DRV_LOG(ERR, "Cannot change Rx WQ state to %u - %s",
|
|
sm->state, strerror(errno));
|
|
rte_errno = errno;
|
|
return ret;
|
|
}
|
|
} else {
|
|
struct mlx5_txq_data *txq = (*priv->txqs)[sm->queue_id];
|
|
struct mlx5_txq_ctrl *txq_ctrl =
|
|
container_of(txq, struct mlx5_txq_ctrl, txq);
|
|
|
|
ret = priv->obj_ops.txq_obj_modify(txq_ctrl->obj,
|
|
MLX5_TXQ_MOD_ERR2RDY,
|
|
(uint8_t)priv->dev_port);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Modify a Verbs queue state.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device.
|
|
* @param sm
|
|
* State modify request parameters.
|
|
*
|
|
* @return
|
|
* 0 in case of success else non-zero value.
|
|
*/
|
|
int
|
|
mlx5_queue_state_modify(struct rte_eth_dev *dev,
|
|
struct mlx5_mp_arg_queue_state_modify *sm)
|
|
{
|
|
struct mlx5_priv *priv = dev->data->dev_private;
|
|
int ret = 0;
|
|
|
|
switch (rte_eal_process_type()) {
|
|
case RTE_PROC_PRIMARY:
|
|
ret = mlx5_queue_state_modify_primary(dev, sm);
|
|
break;
|
|
case RTE_PROC_SECONDARY:
|
|
ret = mlx5_mp_req_queue_state_modify(&priv->mp_id, sm);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|