numam-dpdk/drivers/net/mlx5/mlx5_rxtx.c
Michael Baum 4ac9ad07bd net/mlx5: separate Tx burst functions to different files
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>
2021-04-15 08:24:59 +02:00

432 lines
13 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2015 6WIND S.A.
* Copyright 2015-2019 Mellanox Technologies, Ltd
*/
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <rte_mbuf.h>
#include <rte_mempool.h>
#include <rte_prefetch.h>
#include <rte_common.h>
#include <rte_branch_prediction.h>
#include <rte_ether.h>
#include <rte_cycles.h>
#include <rte_flow.h>
#include <mlx5_prm.h>
#include <mlx5_common.h>
#include "mlx5_autoconf.h"
#include "mlx5_defs.h"
#include "mlx5.h"
#include "mlx5_mr.h"
#include "mlx5_utils.h"
#include "mlx5_rxtx.h"
#include "mlx5_rx.h"
#include "mlx5_tx.h"
/* static asserts */
static_assert(MLX5_CQE_STATUS_HW_OWN < 0, "Must be negative value");
static_assert(MLX5_CQE_STATUS_SW_OWN < 0, "Must be negative value");
static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
(sizeof(uint16_t) +
sizeof(rte_v128u32_t)),
"invalid Ethernet Segment data size");
static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
(sizeof(uint16_t) +
sizeof(struct rte_vlan_hdr) +
2 * RTE_ETHER_ADDR_LEN),
"invalid Ethernet Segment data size");
static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
(sizeof(uint16_t) +
sizeof(rte_v128u32_t)),
"invalid Ethernet Segment data size");
static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
(sizeof(uint16_t) +
sizeof(struct rte_vlan_hdr) +
2 * RTE_ETHER_ADDR_LEN),
"invalid Ethernet Segment data size");
static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
(sizeof(uint16_t) +
sizeof(rte_v128u32_t)),
"invalid Ethernet Segment data size");
static_assert(MLX5_ESEG_MIN_INLINE_SIZE ==
(sizeof(uint16_t) +
sizeof(struct rte_vlan_hdr) +
2 * RTE_ETHER_ADDR_LEN),
"invalid Ethernet Segment data size");
static_assert(MLX5_DSEG_MIN_INLINE_SIZE ==
(2 * RTE_ETHER_ADDR_LEN),
"invalid Data Segment data size");
static_assert(MLX5_EMPW_MIN_PACKETS >= 2, "invalid min size");
static_assert(MLX5_EMPW_MIN_PACKETS >= 2, "invalid min size");
static_assert((sizeof(struct rte_vlan_hdr) +
sizeof(struct rte_ether_hdr)) ==
MLX5_ESEG_MIN_INLINE_SIZE,
"invalid min inline data size");
static_assert(MLX5_WQE_SIZE_MAX / MLX5_WSEG_SIZE <=
MLX5_DSEG_MAX, "invalid WQE max size");
static_assert(MLX5_WQE_CSEG_SIZE == MLX5_WSEG_SIZE,
"invalid WQE Control Segment size");
static_assert(MLX5_WQE_ESEG_SIZE == MLX5_WSEG_SIZE,
"invalid WQE Ethernet Segment size");
static_assert(MLX5_WQE_DSEG_SIZE == MLX5_WSEG_SIZE,
"invalid WQE Data Segment size");
static_assert(MLX5_WQE_SIZE == 4 * MLX5_WSEG_SIZE,
"invalid WQE size");
uint32_t mlx5_ptype_table[] __rte_cache_aligned = {
[0xff] = RTE_PTYPE_ALL_MASK, /* Last entry for errored packet. */
};
uint8_t mlx5_cksum_table[1 << 10] __rte_cache_aligned;
uint8_t mlx5_swp_types_table[1 << 10] __rte_cache_aligned;
uint64_t rte_net_mlx5_dynf_inline_mask;
/**
* Build a table to translate Rx completion flags to packet type.
*
* @note: fix mlx5_dev_supported_ptypes_get() if any change here.
*/
void
mlx5_set_ptype_table(void)
{
unsigned int i;
uint32_t (*p)[RTE_DIM(mlx5_ptype_table)] = &mlx5_ptype_table;
/* Last entry must not be overwritten, reserved for errored packet. */
for (i = 0; i < RTE_DIM(mlx5_ptype_table) - 1; ++i)
(*p)[i] = RTE_PTYPE_UNKNOWN;
/*
* The index to the array should have:
* bit[1:0] = l3_hdr_type
* bit[4:2] = l4_hdr_type
* bit[5] = ip_frag
* bit[6] = tunneled
* bit[7] = outer_l3_type
*/
/* L2 */
(*p)[0x00] = RTE_PTYPE_L2_ETHER;
/* L3 */
(*p)[0x01] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_NONFRAG;
(*p)[0x02] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_NONFRAG;
/* Fragmented */
(*p)[0x21] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_FRAG;
(*p)[0x22] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_FRAG;
/* TCP */
(*p)[0x05] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x06] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x0d] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x0e] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x11] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x12] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
/* UDP */
(*p)[0x09] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_UDP;
(*p)[0x0a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_UDP;
/* Repeat with outer_l3_type being set. Just in case. */
(*p)[0x81] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_NONFRAG;
(*p)[0x82] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_NONFRAG;
(*p)[0xa1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_FRAG;
(*p)[0xa2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_FRAG;
(*p)[0x85] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x86] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x8d] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x8e] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x91] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x92] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_TCP;
(*p)[0x89] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_L4_UDP;
(*p)[0x8a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_L4_UDP;
/* Tunneled - L3 */
(*p)[0x40] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
(*p)[0x41] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_NONFRAG;
(*p)[0x42] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_NONFRAG;
(*p)[0xc0] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
(*p)[0xc1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_NONFRAG;
(*p)[0xc2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_NONFRAG;
/* Tunneled - Fragmented */
(*p)[0x61] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_FRAG;
(*p)[0x62] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_FRAG;
(*p)[0xe1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_FRAG;
(*p)[0xe2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_FRAG;
/* Tunneled - TCP */
(*p)[0x45] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0x46] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0x4d] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0x4e] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0x51] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0x52] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0xc5] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0xc6] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0xcd] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0xce] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0xd1] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
(*p)[0xd2] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_TCP;
/* Tunneled - UDP */
(*p)[0x49] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_UDP;
(*p)[0x4a] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_UDP;
(*p)[0xc9] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_UDP;
(*p)[0xca] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
RTE_PTYPE_INNER_L4_UDP;
}
/**
* Build a table to translate packet to checksum type of Verbs.
*/
void
mlx5_set_cksum_table(void)
{
unsigned int i;
uint8_t v;
/*
* The index should have:
* bit[0] = PKT_TX_TCP_SEG
* bit[2:3] = PKT_TX_UDP_CKSUM, PKT_TX_TCP_CKSUM
* bit[4] = PKT_TX_IP_CKSUM
* bit[8] = PKT_TX_OUTER_IP_CKSUM
* bit[9] = tunnel
*/
for (i = 0; i < RTE_DIM(mlx5_cksum_table); ++i) {
v = 0;
if (i & (1 << 9)) {
/* Tunneled packet. */
if (i & (1 << 8)) /* Outer IP. */
v |= MLX5_ETH_WQE_L3_CSUM;
if (i & (1 << 4)) /* Inner IP. */
v |= MLX5_ETH_WQE_L3_INNER_CSUM;
if (i & (3 << 2 | 1 << 0)) /* L4 or TSO. */
v |= MLX5_ETH_WQE_L4_INNER_CSUM;
} else {
/* No tunnel. */
if (i & (1 << 4)) /* IP. */
v |= MLX5_ETH_WQE_L3_CSUM;
if (i & (3 << 2 | 1 << 0)) /* L4 or TSO. */
v |= MLX5_ETH_WQE_L4_CSUM;
}
mlx5_cksum_table[i] = v;
}
}
/**
* Build a table to translate packet type of mbuf to SWP type of Verbs.
*/
void
mlx5_set_swp_types_table(void)
{
unsigned int i;
uint8_t v;
/*
* The index should have:
* bit[0:1] = PKT_TX_L4_MASK
* bit[4] = PKT_TX_IPV6
* bit[8] = PKT_TX_OUTER_IPV6
* bit[9] = PKT_TX_OUTER_UDP
*/
for (i = 0; i < RTE_DIM(mlx5_swp_types_table); ++i) {
v = 0;
if (i & (1 << 8))
v |= MLX5_ETH_WQE_L3_OUTER_IPV6;
if (i & (1 << 9))
v |= MLX5_ETH_WQE_L4_OUTER_UDP;
if (i & (1 << 4))
v |= MLX5_ETH_WQE_L3_INNER_IPV6;
if ((i & 3) == (PKT_TX_UDP_CKSUM >> 52))
v |= MLX5_ETH_WQE_L4_INNER_UDP;
mlx5_swp_types_table[i] = v;
}
}
#define MLX5_SYSTEM_LOG_DIR "/var/log"
/**
* Dump debug information to log file.
*
* @param fname
* The file name.
* @param hex_title
* If not NULL this string is printed as a header to the output
* and the output will be in hexadecimal view.
* @param buf
* This is the buffer address to print out.
* @param len
* The number of bytes to dump out.
*/
void
mlx5_dump_debug_information(const char *fname, const char *hex_title,
const void *buf, unsigned int hex_len)
{
FILE *fd;
MKSTR(path, "%s/%s", MLX5_SYSTEM_LOG_DIR, fname);
fd = fopen(path, "a+");
if (!fd) {
DRV_LOG(WARNING, "cannot open %s for debug dump", path);
MKSTR(path2, "./%s", fname);
fd = fopen(path2, "a+");
if (!fd) {
DRV_LOG(ERR, "cannot open %s for debug dump", path2);
return;
}
DRV_LOG(INFO, "New debug dump in file %s", path2);
} else {
DRV_LOG(INFO, "New debug dump in file %s", path);
}
if (hex_title)
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;
}