/
bnxt_ring.c
879 lines (742 loc) · 23.4 KB
/
bnxt_ring.c
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2014-2018 Broadcom
* All rights reserved.
*/
#include <rte_bitmap.h>
#include <rte_memzone.h>
#include <rte_malloc.h>
#include <unistd.h>
#include "bnxt.h"
#include "bnxt_hwrm.h"
#include "bnxt_ring.h"
#include "bnxt_rxq.h"
#include "bnxt_rxr.h"
#include "bnxt_txq.h"
#include "bnxt_txr.h"
#include "hsi_struct_def_dpdk.h"
/*
* Generic ring handling
*/
void bnxt_free_ring(struct bnxt_ring *ring)
{
if (!ring)
return;
if (ring->vmem_size && *ring->vmem) {
memset((char *)*ring->vmem, 0, ring->vmem_size);
*ring->vmem = NULL;
}
ring->mem_zone = NULL;
}
/*
* Ring groups
*/
static void bnxt_init_ring_grps(struct bnxt *bp)
{
unsigned int i;
for (i = 0; i < bp->max_ring_grps; i++)
memset(&bp->grp_info[i], (uint8_t)HWRM_NA_SIGNATURE,
sizeof(struct bnxt_ring_grp_info));
}
int bnxt_alloc_ring_grps(struct bnxt *bp)
{
if (bp->max_tx_rings == 0) {
PMD_DRV_LOG(ERR, "No TX rings available!\n");
return -EBUSY;
}
/* THOR does not support ring groups.
* But we will use the array to save RSS context IDs.
*/
if (BNXT_CHIP_THOR(bp)) {
bp->max_ring_grps = BNXT_MAX_RSS_CTXTS_THOR;
} else if (bp->max_ring_grps < bp->rx_cp_nr_rings) {
/* 1 ring is for default completion ring */
PMD_DRV_LOG(ERR, "Insufficient resource: Ring Group\n");
return -ENOSPC;
}
if (BNXT_HAS_RING_GRPS(bp)) {
bp->grp_info = rte_zmalloc("bnxt_grp_info",
sizeof(*bp->grp_info) *
bp->max_ring_grps, 0);
if (!bp->grp_info) {
PMD_DRV_LOG(ERR,
"Failed to alloc grp info tbl.\n");
return -ENOMEM;
}
bnxt_init_ring_grps(bp);
}
return 0;
}
/*
* Allocates a completion ring with vmem and stats optionally also allocating
* a TX and/or RX ring. Passing NULL as tx_ring_info and/or rx_ring_info
* to not allocate them.
*
* Order in the allocation is:
* stats - Always non-zero length
* cp vmem - Always zero-length, supported for the bnxt_ring abstraction
* tx vmem - Only non-zero length if tx_ring_info is not NULL
* rx vmem - Only non-zero length if rx_ring_info is not NULL
* cp bd ring - Always non-zero length
* tx bd ring - Only non-zero length if tx_ring_info is not NULL
* rx bd ring - Only non-zero length if rx_ring_info is not NULL
*/
int bnxt_alloc_rings(struct bnxt *bp, unsigned int socket_id, uint16_t qidx,
struct bnxt_tx_queue *txq,
struct bnxt_rx_queue *rxq,
struct bnxt_cp_ring_info *cp_ring_info,
struct bnxt_cp_ring_info *nq_ring_info,
const char *suffix)
{
struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct;
struct bnxt_rx_ring_info *rx_ring_info = rxq ? rxq->rx_ring : NULL;
struct bnxt_tx_ring_info *tx_ring_info = txq ? txq->tx_ring : NULL;
struct bnxt_ring *tx_ring;
struct bnxt_ring *rx_ring;
struct rte_pci_device *pdev = bp->pdev;
uint64_t rx_offloads = bp->eth_dev->data->dev_conf.rxmode.offloads;
const struct rte_memzone *mz = NULL;
char mz_name[RTE_MEMZONE_NAMESIZE];
rte_iova_t mz_phys_addr;
int stats_len = (tx_ring_info || rx_ring_info) ?
RTE_CACHE_LINE_ROUNDUP(sizeof(struct hwrm_stat_ctx_query_output) -
sizeof (struct hwrm_resp_hdr)) : 0;
stats_len = RTE_ALIGN(stats_len, 128);
int cp_vmem_start = stats_len;
int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size);
cp_vmem_len = RTE_ALIGN(cp_vmem_len, 128);
int nq_vmem_len = nq_ring_info ?
RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size) : 0;
nq_vmem_len = RTE_ALIGN(nq_vmem_len, 128);
int nq_vmem_start = cp_vmem_start + cp_vmem_len;
int tx_vmem_start = nq_vmem_start + nq_vmem_len;
int tx_vmem_len =
tx_ring_info ? RTE_CACHE_LINE_ROUNDUP(tx_ring_info->
tx_ring_struct->vmem_size) : 0;
tx_vmem_len = RTE_ALIGN(tx_vmem_len, 128);
int rx_vmem_start = tx_vmem_start + tx_vmem_len;
int rx_vmem_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->
rx_ring_struct->vmem_size) : 0;
rx_vmem_len = RTE_ALIGN(rx_vmem_len, 128);
int ag_vmem_start = 0;
int ag_vmem_len = 0;
int cp_ring_start = 0;
int nq_ring_start = 0;
ag_vmem_start = rx_vmem_start + rx_vmem_len;
ag_vmem_len = rx_ring_info ? RTE_CACHE_LINE_ROUNDUP(
rx_ring_info->ag_ring_struct->vmem_size) : 0;
cp_ring_start = ag_vmem_start + ag_vmem_len;
cp_ring_start = RTE_ALIGN(cp_ring_start, 4096);
int cp_ring_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->ring_size *
sizeof(struct cmpl_base));
cp_ring_len = RTE_ALIGN(cp_ring_len, 128);
nq_ring_start = cp_ring_start + cp_ring_len;
nq_ring_start = RTE_ALIGN(nq_ring_start, 4096);
int nq_ring_len = nq_ring_info ? cp_ring_len : 0;
int tx_ring_start = nq_ring_start + nq_ring_len;
tx_ring_start = RTE_ALIGN(tx_ring_start, 4096);
int tx_ring_len = tx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(tx_ring_info->tx_ring_struct->ring_size *
sizeof(struct tx_bd_long)) : 0;
tx_ring_len = RTE_ALIGN(tx_ring_len, 4096);
int rx_ring_start = tx_ring_start + tx_ring_len;
rx_ring_start = RTE_ALIGN(rx_ring_start, 4096);
int rx_ring_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->rx_ring_struct->ring_size *
sizeof(struct rx_prod_pkt_bd)) : 0;
rx_ring_len = RTE_ALIGN(rx_ring_len, 4096);
int ag_ring_start = rx_ring_start + rx_ring_len;
ag_ring_start = RTE_ALIGN(ag_ring_start, 4096);
int ag_ring_len = rx_ring_len * AGG_RING_SIZE_FACTOR;
ag_ring_len = RTE_ALIGN(ag_ring_len, 4096);
int ag_bitmap_start = ag_ring_start + ag_ring_len;
int ag_bitmap_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rte_bitmap_get_memory_footprint(
rx_ring_info->rx_ring_struct->ring_size *
AGG_RING_SIZE_FACTOR)) : 0;
int tpa_info_start = ag_bitmap_start + ag_bitmap_len;
int tpa_info_len = 0;
if (rx_ring_info && (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)) {
int tpa_max = BNXT_TPA_MAX_AGGS(bp);
tpa_info_len = tpa_max * sizeof(struct bnxt_tpa_info);
tpa_info_len = RTE_CACHE_LINE_ROUNDUP(tpa_info_len);
}
int total_alloc_len = tpa_info_start;
total_alloc_len += tpa_info_len;
snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
"bnxt_" PCI_PRI_FMT "-%04x_%s", pdev->addr.domain,
pdev->addr.bus, pdev->addr.devid, pdev->addr.function, qidx,
suffix);
mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
mz = rte_memzone_lookup(mz_name);
if (!mz) {
mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len,
socket_id,
RTE_MEMZONE_2MB |
RTE_MEMZONE_SIZE_HINT_ONLY |
RTE_MEMZONE_IOVA_CONTIG,
getpagesize());
if (mz == NULL)
return -ENOMEM;
}
memset(mz->addr, 0, mz->len);
mz_phys_addr = mz->iova;
if (tx_ring_info) {
txq->mz = mz;
tx_ring = tx_ring_info->tx_ring_struct;
tx_ring->bd = ((char *)mz->addr + tx_ring_start);
tx_ring_info->tx_desc_ring = (struct tx_bd_long *)tx_ring->bd;
tx_ring->bd_dma = mz_phys_addr + tx_ring_start;
tx_ring_info->tx_desc_mapping = tx_ring->bd_dma;
tx_ring->mem_zone = (const void *)mz;
if (!tx_ring->bd)
return -ENOMEM;
if (tx_ring->vmem_size) {
tx_ring->vmem =
(void **)((char *)mz->addr + tx_vmem_start);
tx_ring_info->tx_buf_ring =
(struct bnxt_sw_tx_bd *)tx_ring->vmem;
}
}
if (rx_ring_info) {
rxq->mz = mz;
rx_ring = rx_ring_info->rx_ring_struct;
rx_ring->bd = ((char *)mz->addr + rx_ring_start);
rx_ring_info->rx_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
rx_ring->bd_dma = mz_phys_addr + rx_ring_start;
rx_ring_info->rx_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
if (!rx_ring->bd)
return -ENOMEM;
if (rx_ring->vmem_size) {
rx_ring->vmem =
(void **)((char *)mz->addr + rx_vmem_start);
rx_ring_info->rx_buf_ring =
(struct rte_mbuf **)rx_ring->vmem;
}
rx_ring = rx_ring_info->ag_ring_struct;
rx_ring->bd = ((char *)mz->addr + ag_ring_start);
rx_ring_info->ag_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
rx_ring->bd_dma = mz->iova + ag_ring_start;
rx_ring_info->ag_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
if (!rx_ring->bd)
return -ENOMEM;
if (rx_ring->vmem_size) {
rx_ring->vmem =
(void **)((char *)mz->addr + ag_vmem_start);
rx_ring_info->ag_buf_ring =
(struct rte_mbuf **)rx_ring->vmem;
}
rx_ring_info->ag_bitmap =
rte_bitmap_init(rx_ring_info->rx_ring_struct->ring_size *
AGG_RING_SIZE_FACTOR, (uint8_t *)mz->addr +
ag_bitmap_start, ag_bitmap_len);
/* TPA info */
if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
rx_ring_info->tpa_info =
((struct bnxt_tpa_info *)((char *)mz->addr +
tpa_info_start));
}
cp_ring->bd = ((char *)mz->addr + cp_ring_start);
cp_ring->bd_dma = mz_phys_addr + cp_ring_start;
cp_ring_info->cp_desc_ring = cp_ring->bd;
cp_ring_info->cp_desc_mapping = cp_ring->bd_dma;
cp_ring->mem_zone = (const void *)mz;
if (!cp_ring->bd)
return -ENOMEM;
if (cp_ring->vmem_size)
*cp_ring->vmem = ((char *)mz->addr + stats_len);
if (stats_len) {
cp_ring_info->hw_stats = mz->addr;
cp_ring_info->hw_stats_map = mz_phys_addr;
}
cp_ring_info->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
if (nq_ring_info) {
struct bnxt_ring *nq_ring = nq_ring_info->cp_ring_struct;
nq_ring->bd = (char *)mz->addr + nq_ring_start;
nq_ring->bd_dma = mz_phys_addr + nq_ring_start;
nq_ring_info->cp_desc_ring = nq_ring->bd;
nq_ring_info->cp_desc_mapping = nq_ring->bd_dma;
nq_ring->mem_zone = (const void *)mz;
if (!nq_ring->bd)
return -ENOMEM;
if (nq_ring->vmem_size)
*nq_ring->vmem = (char *)mz->addr + nq_vmem_start;
nq_ring_info->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
}
return 0;
}
static void bnxt_init_dflt_coal(struct bnxt_coal *coal)
{
/* Tick values in micro seconds.
* 1 coal_buf x bufs_per_record = 1 completion record.
*/
coal->num_cmpl_aggr_int = BNXT_NUM_CMPL_AGGR_INT;
/* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
coal->num_cmpl_dma_aggr = BNXT_NUM_CMPL_DMA_AGGR;
/* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
coal->num_cmpl_dma_aggr_during_int = BNXT_NUM_CMPL_DMA_AGGR_DURING_INT;
coal->int_lat_tmr_max = BNXT_INT_LAT_TMR_MAX;
/* min timer set to 1/2 of interrupt timer */
coal->int_lat_tmr_min = BNXT_INT_LAT_TMR_MIN;
/* buf timer set to 1/4 of interrupt timer */
coal->cmpl_aggr_dma_tmr = BNXT_CMPL_AGGR_DMA_TMR;
coal->cmpl_aggr_dma_tmr_during_int = BNXT_CMPL_AGGR_DMA_TMR_DURING_INT;
}
static void bnxt_set_db(struct bnxt *bp,
struct bnxt_db_info *db,
uint32_t ring_type,
uint32_t map_idx,
uint32_t fid)
{
if (BNXT_CHIP_THOR(bp)) {
if (BNXT_PF(bp))
db->doorbell = (char *)bp->doorbell_base + 0x10000;
else
db->doorbell = (char *)bp->doorbell_base + 0x4000;
switch (ring_type) {
case HWRM_RING_ALLOC_INPUT_RING_TYPE_TX:
db->db_key64 = DBR_PATH_L2 | DBR_TYPE_SQ;
break;
case HWRM_RING_ALLOC_INPUT_RING_TYPE_RX:
case HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG:
db->db_key64 = DBR_PATH_L2 | DBR_TYPE_SRQ;
break;
case HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL:
db->db_key64 = DBR_PATH_L2 | DBR_TYPE_CQ;
break;
case HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ:
db->db_key64 = DBR_PATH_L2;
break;
}
db->db_key64 |= (uint64_t)fid << DBR_XID_SFT;
db->db_64 = true;
} else {
db->doorbell = (char *)bp->doorbell_base + map_idx * 0x80;
switch (ring_type) {
case HWRM_RING_ALLOC_INPUT_RING_TYPE_TX:
db->db_key32 = DB_KEY_TX;
break;
case HWRM_RING_ALLOC_INPUT_RING_TYPE_RX:
db->db_key32 = DB_KEY_RX;
break;
case HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL:
db->db_key32 = DB_KEY_CP;
break;
}
db->db_64 = false;
}
}
static int bnxt_alloc_cmpl_ring(struct bnxt *bp, int queue_index,
struct bnxt_cp_ring_info *cpr)
{
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
uint32_t nq_ring_id = HWRM_NA_SIGNATURE;
int cp_ring_index = queue_index + BNXT_RX_VEC_START;
struct bnxt_cp_ring_info *nqr = bp->rxtx_nq_ring;
uint8_t ring_type;
int rc = 0;
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL;
if (BNXT_HAS_NQ(bp)) {
if (nqr) {
nq_ring_id = nqr->cp_ring_struct->fw_ring_id;
} else {
PMD_DRV_LOG(ERR, "NQ ring is NULL\n");
return -EINVAL;
}
}
rc = bnxt_hwrm_ring_alloc(bp, cp_ring, ring_type, cp_ring_index,
HWRM_NA_SIGNATURE, nq_ring_id, 0);
if (rc)
return rc;
cpr->cp_cons = 0;
bnxt_set_db(bp, &cpr->cp_db, ring_type, cp_ring_index,
cp_ring->fw_ring_id);
bnxt_db_cq(cpr);
return 0;
}
int bnxt_alloc_rxtx_nq_ring(struct bnxt *bp)
{
struct bnxt_cp_ring_info *nqr;
struct bnxt_ring *ring;
int ring_index = BNXT_NUM_ASYNC_CPR(bp);
uint8_t ring_type;
int rc = 0;
if (!BNXT_HAS_NQ(bp) || bp->rxtx_nq_ring)
return 0;
nqr = rte_zmalloc_socket("nqr",
sizeof(struct bnxt_cp_ring_info),
RTE_CACHE_LINE_SIZE,
bp->eth_dev->device->numa_node);
if (nqr == NULL)
return -ENOMEM;
ring = rte_zmalloc_socket("bnxt_cp_ring_struct",
sizeof(struct bnxt_ring),
RTE_CACHE_LINE_SIZE,
bp->eth_dev->device->numa_node);
if (ring == NULL) {
rte_free(nqr);
return -ENOMEM;
}
ring->bd = (void *)nqr->cp_desc_ring;
ring->bd_dma = nqr->cp_desc_mapping;
ring->ring_size = rte_align32pow2(DEFAULT_CP_RING_SIZE);
ring->ring_mask = ring->ring_size - 1;
ring->vmem_size = 0;
ring->vmem = NULL;
ring->fw_ring_id = INVALID_HW_RING_ID;
nqr->cp_ring_struct = ring;
rc = bnxt_alloc_rings(bp, bp->eth_dev->device->numa_node, 0, NULL,
NULL, nqr, NULL, "l2_nqr");
if (rc) {
rte_free(ring);
rte_free(nqr);
return -ENOMEM;
}
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ;
rc = bnxt_hwrm_ring_alloc(bp, ring, ring_type, ring_index,
HWRM_NA_SIGNATURE, HWRM_NA_SIGNATURE, 0);
if (rc) {
rte_free(ring);
rte_free(nqr);
return rc;
}
bnxt_set_db(bp, &nqr->cp_db, ring_type, ring_index,
ring->fw_ring_id);
bnxt_db_nq(nqr);
bp->rxtx_nq_ring = nqr;
return 0;
}
/* Free RX/TX NQ ring. */
void bnxt_free_rxtx_nq_ring(struct bnxt *bp)
{
struct bnxt_cp_ring_info *nqr = bp->rxtx_nq_ring;
if (!nqr)
return;
bnxt_free_nq_ring(bp, nqr);
bnxt_free_ring(nqr->cp_ring_struct);
rte_free(nqr->cp_ring_struct);
nqr->cp_ring_struct = NULL;
rte_free(nqr);
bp->rxtx_nq_ring = NULL;
}
static int bnxt_alloc_rx_ring(struct bnxt *bp, int queue_index)
{
struct bnxt_rx_queue *rxq = bp->rx_queues[queue_index];
struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
struct bnxt_ring *ring = rxr->rx_ring_struct;
uint8_t ring_type;
int rc = 0;
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_RX;
rc = bnxt_hwrm_ring_alloc(bp, ring, ring_type,
queue_index, cpr->hw_stats_ctx_id,
cp_ring->fw_ring_id, 0);
if (rc)
return rc;
rxr->rx_prod = 0;
if (BNXT_HAS_RING_GRPS(bp))
bp->grp_info[queue_index].rx_fw_ring_id = ring->fw_ring_id;
bnxt_set_db(bp, &rxr->rx_db, ring_type, queue_index, ring->fw_ring_id);
bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
return 0;
}
static int bnxt_alloc_rx_agg_ring(struct bnxt *bp, int queue_index)
{
unsigned int map_idx = queue_index + bp->rx_cp_nr_rings;
struct bnxt_rx_queue *rxq = bp->rx_queues[queue_index];
struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
struct bnxt_ring *ring = rxr->ag_ring_struct;
uint32_t hw_stats_ctx_id = HWRM_NA_SIGNATURE;
uint8_t ring_type;
int rc = 0;
ring->fw_rx_ring_id = rxr->rx_ring_struct->fw_ring_id;
if (BNXT_CHIP_THOR(bp)) {
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_RX_AGG;
hw_stats_ctx_id = cpr->hw_stats_ctx_id;
} else {
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_RX;
}
rc = bnxt_hwrm_ring_alloc(bp, ring, ring_type, map_idx,
hw_stats_ctx_id, cp_ring->fw_ring_id, 0);
if (rc)
return rc;
rxr->ag_prod = 0;
if (BNXT_HAS_RING_GRPS(bp))
bp->grp_info[queue_index].ag_fw_ring_id = ring->fw_ring_id;
bnxt_set_db(bp, &rxr->ag_db, ring_type, map_idx, ring->fw_ring_id);
bnxt_db_write(&rxr->ag_db, rxr->ag_prod);
return 0;
}
int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index)
{
struct bnxt_rx_queue *rxq = bp->rx_queues[queue_index];
struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
int rc;
/*
* Storage for the cp ring is allocated based on worst-case
* usage, the actual size to be used by hw is computed here.
*/
cp_ring->ring_size = rxr->rx_ring_struct->ring_size * 2;
if (bp->eth_dev->data->scattered_rx)
cp_ring->ring_size *= AGG_RING_SIZE_FACTOR;
cp_ring->ring_mask = cp_ring->ring_size - 1;
rc = bnxt_alloc_cmpl_ring(bp, queue_index, cpr);
if (rc)
goto err_out;
if (BNXT_HAS_RING_GRPS(bp)) {
bp->grp_info[queue_index].fw_stats_ctx = cpr->hw_stats_ctx_id;
bp->grp_info[queue_index].cp_fw_ring_id = cp_ring->fw_ring_id;
}
if (!BNXT_NUM_ASYNC_CPR(bp) && !queue_index) {
/*
* If a dedicated async event completion ring is not enabled,
* use the first completion ring from PF or VF as the default
* completion ring for async event handling.
*/
bp->async_cp_ring = cpr;
rc = bnxt_hwrm_set_async_event_cr(bp);
if (rc)
goto err_out;
}
rc = bnxt_alloc_rx_ring(bp, queue_index);
if (rc)
goto err_out;
rc = bnxt_alloc_rx_agg_ring(bp, queue_index);
if (rc)
goto err_out;
if (BNXT_HAS_RING_GRPS(bp)) {
rc = bnxt_hwrm_ring_grp_alloc(bp, queue_index);
if (rc)
goto err_out;
}
if (rxq->rx_started) {
if (bnxt_init_one_rx_ring(rxq)) {
PMD_DRV_LOG(ERR,
"bnxt_init_one_rx_ring failed!\n");
bnxt_rx_queue_release_op(rxq);
rc = -ENOMEM;
goto err_out;
}
bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
bnxt_db_write(&rxr->ag_db, rxr->ag_prod);
}
rxq->index = queue_index;
#if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
bnxt_rxq_vec_setup(rxq);
#endif
return 0;
err_out:
PMD_DRV_LOG(ERR,
"Failed to allocate receive queue %d, rc %d.\n",
queue_index, rc);
return rc;
}
/* Initialise all rings to -1, its used to free rings later if allocation
* of few rings fails.
*/
static void bnxt_init_all_rings(struct bnxt *bp)
{
unsigned int i = 0;
struct bnxt_rx_queue *rxq;
struct bnxt_ring *cp_ring;
struct bnxt_ring *ring;
struct bnxt_rx_ring_info *rxr;
struct bnxt_tx_queue *txq;
for (i = 0; i < bp->rx_cp_nr_rings; i++) {
rxq = bp->rx_queues[i];
/* Rx-compl */
cp_ring = rxq->cp_ring->cp_ring_struct;
cp_ring->fw_ring_id = INVALID_HW_RING_ID;
/* Rx-Reg */
rxr = rxq->rx_ring;
ring = rxr->rx_ring_struct;
ring->fw_ring_id = INVALID_HW_RING_ID;
/* Rx-AGG */
ring = rxr->ag_ring_struct;
ring->fw_ring_id = INVALID_HW_RING_ID;
}
for (i = 0; i < bp->tx_cp_nr_rings; i++) {
txq = bp->tx_queues[i];
/* Tx cmpl */
cp_ring = txq->cp_ring->cp_ring_struct;
cp_ring->fw_ring_id = INVALID_HW_RING_ID;
/*Tx Ring */
ring = txq->tx_ring->tx_ring_struct;
ring->fw_ring_id = INVALID_HW_RING_ID;
}
}
/* ring_grp usage:
* [0] = default completion ring
* [1 -> +rx_cp_nr_rings] = rx_cp, rx rings
* [1+rx_cp_nr_rings + 1 -> +tx_cp_nr_rings] = tx_cp, tx rings
*/
int bnxt_alloc_hwrm_rings(struct bnxt *bp)
{
struct bnxt_coal coal;
unsigned int i;
uint8_t ring_type;
int rc = 0;
bnxt_init_dflt_coal(&coal);
bnxt_init_all_rings(bp);
for (i = 0; i < bp->rx_cp_nr_rings; i++) {
struct bnxt_rx_queue *rxq = bp->rx_queues[i];
struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
/*
* Storage for the cp ring is allocated based on worst-case
* usage, the actual size to be used by hw is computed here.
*/
cp_ring->ring_size = rxr->rx_ring_struct->ring_size * 2;
if (bp->eth_dev->data->scattered_rx)
cp_ring->ring_size *= AGG_RING_SIZE_FACTOR;
cp_ring->ring_mask = cp_ring->ring_size - 1;
if (bnxt_alloc_cmpl_ring(bp, i, cpr))
goto err_out;
if (BNXT_HAS_RING_GRPS(bp)) {
bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
bp->grp_info[i].cp_fw_ring_id = cp_ring->fw_ring_id;
}
bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id);
if (!BNXT_NUM_ASYNC_CPR(bp) && !i) {
/*
* If a dedicated async event completion ring is not
* enabled, use the first completion ring as the default
* completion ring for async event handling.
*/
bp->async_cp_ring = cpr;
rc = bnxt_hwrm_set_async_event_cr(bp);
if (rc)
goto err_out;
}
if (bnxt_alloc_rx_ring(bp, i))
goto err_out;
if (bnxt_alloc_rx_agg_ring(bp, i))
goto err_out;
if (bnxt_init_one_rx_ring(rxq)) {
PMD_DRV_LOG(ERR, "bnxt_init_one_rx_ring failed!\n");
bnxt_rx_queue_release_op(rxq);
return -ENOMEM;
}
bnxt_db_write(&rxr->rx_db, rxr->rx_prod);
bnxt_db_write(&rxr->ag_db, rxr->ag_prod);
rxq->index = i;
#if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
bnxt_rxq_vec_setup(rxq);
#endif
}
for (i = 0; i < bp->tx_cp_nr_rings; i++) {
struct bnxt_tx_queue *txq = bp->tx_queues[i];
struct bnxt_cp_ring_info *cpr = txq->cp_ring;
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
struct bnxt_tx_ring_info *txr = txq->tx_ring;
struct bnxt_ring *ring = txr->tx_ring_struct;
unsigned int idx = i + bp->rx_cp_nr_rings;
uint16_t tx_cosq_id = 0;
if (bnxt_alloc_cmpl_ring(bp, idx, cpr))
goto err_out;
if (bp->vnic_cap_flags & BNXT_VNIC_CAP_COS_CLASSIFY)
tx_cosq_id = bp->tx_cosq_id[i < bp->max_lltc ? i : 0];
else
tx_cosq_id = bp->tx_cosq_id[0];
/* Tx ring */
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_TX;
rc = bnxt_hwrm_ring_alloc(bp, ring,
ring_type,
i, cpr->hw_stats_ctx_id,
cp_ring->fw_ring_id,
tx_cosq_id);
if (rc)
goto err_out;
bnxt_set_db(bp, &txr->tx_db, ring_type, i, ring->fw_ring_id);
txq->index = idx;
bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id);
}
err_out:
return rc;
}
/* Allocate dedicated async completion ring. */
int bnxt_alloc_async_cp_ring(struct bnxt *bp)
{
struct bnxt_cp_ring_info *cpr = bp->async_cp_ring;
struct bnxt_ring *cp_ring;
uint8_t ring_type;
int rc;
if (BNXT_NUM_ASYNC_CPR(bp) == 0 || cpr == NULL)
return 0;
cp_ring = cpr->cp_ring_struct;
if (BNXT_HAS_NQ(bp))
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_NQ;
else
ring_type = HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL;
rc = bnxt_hwrm_ring_alloc(bp, cp_ring, ring_type, 0,
HWRM_NA_SIGNATURE, HWRM_NA_SIGNATURE, 0);
if (rc)
return rc;
cpr->cp_cons = 0;
cpr->valid = 0;
bnxt_set_db(bp, &cpr->cp_db, ring_type, 0,
cp_ring->fw_ring_id);
if (BNXT_HAS_NQ(bp))
bnxt_db_nq(cpr);
else
bnxt_db_cq(cpr);
return bnxt_hwrm_set_async_event_cr(bp);
}
/* Free dedicated async completion ring. */
void bnxt_free_async_cp_ring(struct bnxt *bp)
{
struct bnxt_cp_ring_info *cpr = bp->async_cp_ring;
if (BNXT_NUM_ASYNC_CPR(bp) == 0 || cpr == NULL)
return;
if (BNXT_HAS_NQ(bp))
bnxt_free_nq_ring(bp, cpr);
else
bnxt_free_cp_ring(bp, cpr);
bnxt_free_ring(cpr->cp_ring_struct);
rte_free(cpr->cp_ring_struct);
cpr->cp_ring_struct = NULL;
rte_free(cpr);
bp->async_cp_ring = NULL;
}
int bnxt_alloc_async_ring_struct(struct bnxt *bp)
{
struct bnxt_cp_ring_info *cpr = NULL;
struct bnxt_ring *ring = NULL;
if (BNXT_NUM_ASYNC_CPR(bp) == 0)
return 0;
cpr = rte_zmalloc_socket("cpr",
sizeof(struct bnxt_cp_ring_info),
RTE_CACHE_LINE_SIZE,
bp->eth_dev->device->numa_node);
if (cpr == NULL)
return -ENOMEM;
ring = rte_zmalloc_socket("bnxt_cp_ring_struct",
sizeof(struct bnxt_ring),
RTE_CACHE_LINE_SIZE,
bp->eth_dev->device->numa_node);
if (ring == NULL) {
rte_free(cpr);
return -ENOMEM;
}
ring->bd = (void *)cpr->cp_desc_ring;
ring->bd_dma = cpr->cp_desc_mapping;
ring->ring_size = rte_align32pow2(DEFAULT_CP_RING_SIZE);
ring->ring_mask = ring->ring_size - 1;
ring->vmem_size = 0;
ring->vmem = NULL;
ring->fw_ring_id = INVALID_HW_RING_ID;
bp->async_cp_ring = cpr;
cpr->cp_ring_struct = ring;
return bnxt_alloc_rings(bp, bp->eth_dev->device->numa_node, 0, NULL,
NULL, bp->async_cp_ring, NULL, "def_cp");
}