#define BNXT_MIN_RING_DESC 16
#define BNXT_MAX_TX_RING_DESC 4096
#define BNXT_MAX_RX_RING_DESC 8192
+#define BNXT_DB_SIZE 0x80
#define BNXT_INT_LAT_TMR_MIN 75
#define BNXT_INT_LAT_TMR_MAX 150
static int bnxt_init_chip(struct bnxt *bp)
{
- unsigned int i;
+ struct bnxt_rx_queue *rxq;
struct rte_eth_link new;
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(bp->eth_dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
uint32_t intr_vector = 0;
uint32_t queue_id, base = BNXT_MISC_VEC_ID;
uint32_t vec = BNXT_MISC_VEC_ID;
+ unsigned int i, j;
int rc;
/* disable uio/vfio intr/eventfd mapping */
goto err_out;
}
+ for (j = 0; j < bp->rx_nr_rings; j++) {
+ rxq = bp->eth_dev->data->rx_queues[j];
+
+ if (rxq->rx_deferred_start)
+ rxq->vnic->fw_grp_ids[j] = INVALID_HW_RING_ID;
+ }
+
rc = bnxt_vnic_rss_configure(bp, vnic);
if (rc) {
PMD_DRV_LOG(ERR,
return rc;
}
-static void bnxt_free_cp_ring(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
- unsigned int idx __rte_unused)
+static void bnxt_free_cp_ring(struct bnxt *bp, struct bnxt_cp_ring_info *cpr)
{
struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
cpr->cp_raw_cons = 0;
}
+void bnxt_free_hwrm_rx_ring(struct bnxt *bp, int queue_index)
+{
+ struct bnxt_rx_queue *rxq = bp->rx_queues[queue_index];
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ struct bnxt_ring *ring = rxr->rx_ring_struct;
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+
+ if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+ bnxt_hwrm_ring_free(bp, ring,
+ HWRM_RING_FREE_INPUT_RING_TYPE_RX);
+ ring->fw_ring_id = INVALID_HW_RING_ID;
+ bp->grp_info[queue_index].rx_fw_ring_id = INVALID_HW_RING_ID;
+ memset(rxr->rx_desc_ring, 0,
+ rxr->rx_ring_struct->ring_size *
+ sizeof(*rxr->rx_desc_ring));
+ memset(rxr->rx_buf_ring, 0,
+ rxr->rx_ring_struct->ring_size *
+ sizeof(*rxr->rx_buf_ring));
+ rxr->rx_prod = 0;
+ }
+ ring = rxr->ag_ring_struct;
+ if (ring->fw_ring_id != INVALID_HW_RING_ID) {
+ bnxt_hwrm_ring_free(bp, ring,
+ HWRM_RING_FREE_INPUT_RING_TYPE_RX);
+ ring->fw_ring_id = INVALID_HW_RING_ID;
+ memset(rxr->ag_buf_ring, 0,
+ rxr->ag_ring_struct->ring_size *
+ sizeof(*rxr->ag_buf_ring));
+ rxr->ag_prod = 0;
+ bp->grp_info[queue_index].ag_fw_ring_id = INVALID_HW_RING_ID;
+ }
+ if (cpr->cp_ring_struct->fw_ring_id != INVALID_HW_RING_ID)
+ bnxt_free_cp_ring(bp, cpr);
+
+ bp->grp_info[queue_index].cp_fw_ring_id = INVALID_HW_RING_ID;
+}
+
int bnxt_free_all_hwrm_rings(struct bnxt *bp)
{
unsigned int i;
- int rc = 0;
for (i = 0; i < bp->tx_cp_nr_rings; i++) {
struct bnxt_tx_queue *txq = bp->tx_queues[i];
struct bnxt_tx_ring_info *txr = txq->tx_ring;
struct bnxt_ring *ring = txr->tx_ring_struct;
struct bnxt_cp_ring_info *cpr = txq->cp_ring;
- unsigned int idx = bp->rx_cp_nr_rings + i;
if (ring->fw_ring_id != INVALID_HW_RING_ID) {
bnxt_hwrm_ring_free(bp, ring,
txr->tx_cons = 0;
}
if (cpr->cp_ring_struct->fw_ring_id != INVALID_HW_RING_ID) {
- bnxt_free_cp_ring(bp, cpr, idx);
+ bnxt_free_cp_ring(bp, cpr);
cpr->cp_ring_struct->fw_ring_id = INVALID_HW_RING_ID;
}
}
- for (i = 0; i < bp->rx_cp_nr_rings; i++) {
- struct bnxt_rx_queue *rxq = bp->rx_queues[i];
- struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
- struct bnxt_ring *ring = rxr->rx_ring_struct;
- struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+ for (i = 0; i < bp->rx_cp_nr_rings; i++)
+ bnxt_free_hwrm_rx_ring(bp, i);
- if (ring->fw_ring_id != INVALID_HW_RING_ID) {
- bnxt_hwrm_ring_free(bp, ring,
- HWRM_RING_FREE_INPUT_RING_TYPE_RX);
- ring->fw_ring_id = INVALID_HW_RING_ID;
- bp->grp_info[i].rx_fw_ring_id = INVALID_HW_RING_ID;
- memset(rxr->rx_desc_ring, 0,
- rxr->rx_ring_struct->ring_size *
- sizeof(*rxr->rx_desc_ring));
- memset(rxr->rx_buf_ring, 0,
- rxr->rx_ring_struct->ring_size *
- sizeof(*rxr->rx_buf_ring));
- rxr->rx_prod = 0;
- }
- ring = rxr->ag_ring_struct;
- if (ring->fw_ring_id != INVALID_HW_RING_ID) {
- bnxt_hwrm_ring_free(bp, ring,
- HWRM_RING_FREE_INPUT_RING_TYPE_RX);
- ring->fw_ring_id = INVALID_HW_RING_ID;
- memset(rxr->ag_buf_ring, 0,
- rxr->ag_ring_struct->ring_size *
- sizeof(*rxr->ag_buf_ring));
- rxr->ag_prod = 0;
- bp->grp_info[i].ag_fw_ring_id = INVALID_HW_RING_ID;
- }
- if (cpr->cp_ring_struct->fw_ring_id != INVALID_HW_RING_ID) {
- bnxt_free_cp_ring(bp, cpr, i);
- bp->grp_info[i].cp_fw_ring_id = INVALID_HW_RING_ID;
- cpr->cp_ring_struct->fw_ring_id = INVALID_HW_RING_ID;
- }
- }
-
- /* Default completion ring */
- {
- struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
-
- if (cpr->cp_ring_struct->fw_ring_id != INVALID_HW_RING_ID) {
- bnxt_free_cp_ring(bp, cpr, 0);
- cpr->cp_ring_struct->fw_ring_id = INVALID_HW_RING_ID;
- }
- }
-
- return rc;
+ return 0;
}
int bnxt_alloc_all_hwrm_ring_grps(struct bnxt *bp)
int bnxt_clear_hwrm_vnic_filters(struct bnxt *bp, struct bnxt_vnic_info *vnic);
void bnxt_free_all_hwrm_resources(struct bnxt *bp);
void bnxt_free_hwrm_resources(struct bnxt *bp);
+void bnxt_free_hwrm_rx_ring(struct bnxt *bp, int queue_index);
int bnxt_alloc_hwrm_resources(struct bnxt *bp);
int bnxt_get_hwrm_link_config(struct bnxt *bp, struct rte_eth_link *link);
int bnxt_set_hwrm_link_config(struct bnxt *bp, bool link_up);
coal->cmpl_aggr_dma_tmr_during_int = BNXT_CMPL_AGGR_DMA_TMR_DURING_INT;
}
+int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index)
+{
+ struct rte_pci_device *pci_dev = bp->pdev;
+ 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;
+ unsigned int map_idx = queue_index + bp->rx_cp_nr_rings;
+ int rc = 0;
+
+ bp->grp_info[queue_index].fw_stats_ctx = cpr->hw_stats_ctx_id;
+
+ /* Rx cmpl */
+ rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ queue_index, HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
+ if (rc)
+ goto err_out;
+
+ cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ queue_index * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].cp_fw_ring_id = cp_ring->fw_ring_id;
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+
+ if (!queue_index) {
+ /*
+ * In order to save completion resources, use the first
+ * completion ring from PF or VF as the default completion ring
+ * for async event and HWRM forward response handling.
+ */
+ bp->def_cp_ring = cpr;
+ rc = bnxt_hwrm_set_async_event_cr(bp);
+ if (rc)
+ goto err_out;
+ }
+ /* Rx ring */
+ rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ queue_index, cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ rxr->rx_prod = 0;
+ rxr->rx_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ queue_index * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].rx_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+
+ ring = rxr->ag_ring_struct;
+ /* Agg ring */
+ if (!ring)
+ PMD_DRV_LOG(ERR, "Alloc AGG Ring is NULL!\n");
+
+ rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ map_idx, HWRM_NA_SIGNATURE,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ PMD_DRV_LOG(DEBUG, "Alloc AGG Done!\n");
+ rxr->ag_prod = 0;
+ rxr->ag_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ map_idx * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].ag_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ rxq->rx_buf_use_size = BNXT_MAX_MTU + ETHER_HDR_LEN +
+ ETHER_CRC_LEN + (2 * VLAN_TAG_SIZE);
+
+ if (bp->eth_dev->data->rx_queue_state[queue_index] ==
+ RTE_ETH_QUEUE_STATE_STARTED) {
+ if (bnxt_init_one_rx_ring(rxq)) {
+ RTE_LOG(ERR, PMD,
+ "bnxt_init_one_rx_ring failed!\n");
+ bnxt_rx_queue_release_op(rxq);
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+ }
+ rxq->index = queue_index;
+ PMD_DRV_LOG(INFO,
+ "queue %d, rx_deferred_start %d, state %d!\n",
+ queue_index, rxq->rx_deferred_start,
+ bp->eth_dev->data->rx_queue_state[queue_index]);
+
+err_out:
+ return rc;
+}
/* ring_grp usage:
* [0] = default completion ring
* [1 -> +rx_cp_nr_rings] = rx_cp, rx rings
struct bnxt_rx_queue *rxq,
struct bnxt_cp_ring_info *cp_ring_info,
const char *suffix);
+int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index);
int bnxt_alloc_hwrm_rings(struct bnxt *bp);
#endif
return rc;
}
-static void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq)
+void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq)
{
struct bnxt_sw_rx_bd *sw_ring;
struct bnxt_tpa_info *tpa_info;
uint16_t i;
+ rte_spinlock_lock(&rxq->lock);
+
if (rxq) {
sw_ring = rxq->rx_ring->rx_buf_ring;
if (sw_ring) {
}
}
}
+
+ rte_spinlock_unlock(&rxq->lock);
}
void bnxt_free_rx_mbufs(struct bnxt *bp)
uint64_t rx_offloads = eth_dev->data->dev_conf.rxmode.offloads;
struct bnxt_rx_queue *rxq;
int rc = 0;
+ uint8_t queue_state;
if (queue_idx >= bp->max_rx_rings) {
PMD_DRV_LOG(ERR,
}
rte_atomic64_init(&rxq->rx_mbuf_alloc_fail);
+ rxq->rx_deferred_start = rx_conf->rx_deferred_start;
+ queue_state = rxq->rx_deferred_start ? RTE_ETH_QUEUE_STATE_STOPPED :
+ RTE_ETH_QUEUE_STATE_STARTED;
+ eth_dev->data->rx_queue_state[queue_idx] = queue_state;
+ rte_spinlock_init(&rxq->lock);
out:
return rc;
}
struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
struct bnxt_rx_queue *rxq = bp->rx_queues[rx_queue_id];
struct bnxt_vnic_info *vnic = NULL;
+ int rc = 0;
if (rxq == NULL) {
PMD_DRV_LOG(ERR, "Invalid Rx queue %d\n", rx_queue_id);
}
dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
- rxq->rx_deferred_start = false;
+
+ bnxt_free_hwrm_rx_ring(bp, rx_queue_id);
+ bnxt_alloc_hwrm_rx_ring(bp, rx_queue_id);
PMD_DRV_LOG(INFO, "Rx queue started %d\n", rx_queue_id);
+
if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
vnic = rxq->vnic;
+
if (vnic->fw_grp_ids[rx_queue_id] != INVALID_HW_RING_ID)
return 0;
- PMD_DRV_LOG(DEBUG, "vnic = %p fw_grp_id = %d\n",
- vnic, bp->grp_info[rx_queue_id + 1].fw_grp_id);
+
+ PMD_DRV_LOG(DEBUG,
+ "vnic = %p fw_grp_id = %d\n",
+ vnic, bp->grp_info[rx_queue_id].fw_grp_id);
+
vnic->fw_grp_ids[rx_queue_id] =
- bp->grp_info[rx_queue_id + 1].fw_grp_id;
- return bnxt_vnic_rss_configure(bp, vnic);
+ bp->grp_info[rx_queue_id].fw_grp_id;
+ rc = bnxt_vnic_rss_configure(bp, vnic);
}
- return 0;
+ if (rc == 0)
+ rxq->rx_deferred_start = false;
+
+ return rc;
}
int bnxt_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
- struct bnxt_rx_queue *rxq = bp->rx_queues[rx_queue_id];
struct bnxt_vnic_info *vnic = NULL;
+ struct bnxt_rx_queue *rxq = NULL;
+ int rc = 0;
+
+ /* Rx CQ 0 also works as Default CQ for async notifications */
+ if (!rx_queue_id) {
+ PMD_DRV_LOG(ERR, "Cannot stop Rx queue id %d\n", rx_queue_id);
+ return -EINVAL;
+ }
+
+ rxq = bp->rx_queues[rx_queue_id];
if (rxq == NULL) {
PMD_DRV_LOG(ERR, "Invalid Rx queue %d\n", rx_queue_id);
if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
vnic = rxq->vnic;
vnic->fw_grp_ids[rx_queue_id] = INVALID_HW_RING_ID;
- return bnxt_vnic_rss_configure(bp, vnic);
+ rc = bnxt_vnic_rss_configure(bp, vnic);
}
- return 0;
+
+ if (rc == 0)
+ bnxt_rx_queue_release_mbufs(rxq);
+
+ return rc;
}
struct bnxt_rx_ring_info;
struct bnxt_cp_ring_info;
struct bnxt_rx_queue {
+ rte_spinlock_t lock; /* Synchronize between rx_queue_stop
+ * and fast path
+ */
struct rte_mempool *mb_pool; /* mbuf pool for RX ring */
struct rte_mbuf *pkt_first_seg; /* 1st seg of pkt */
struct rte_mbuf *pkt_last_seg; /* Last seg of pkt */
uint16_t rx_queue_id);
int bnxt_rx_queue_stop(struct rte_eth_dev *dev,
uint16_t rx_queue_id);
+void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq);
#endif
bool evt = false;
/* If Rx Q was stopped return. RxQ0 cannot be stopped. */
- if (rxq->rx_deferred_start && rxq->queue_id)
+ if (unlikely(((rxq->rx_deferred_start ||
+ !rte_spinlock_trylock(&rxq->lock)) &&
+ rxq->queue_id)))
return 0;
/* Handle RX burst request */
* For PMD, there is no need to keep on pushing to REARM
* the doorbell if there are no new completions
*/
- return nb_rx_pkts;
+ goto done;
}
if (prod != rxr->rx_prod)
}
}
+done:
+ rte_spinlock_unlock(&rxq->lock);
+
return nb_rx_pkts;
}
void bnxt_free_rx_rings(struct bnxt *bp)
{
int i;
+ struct bnxt_rx_queue *rxq;
- for (i = 0; i < (int)bp->rx_nr_rings; i++) {
- struct bnxt_rx_queue *rxq = bp->rx_queues[i];
+ if (!bp->rx_queues)
+ return;
+ for (i = 0; i < (int)bp->rx_nr_rings; i++) {
+ rxq = bp->rx_queues[i];
if (!rxq)
continue;
git.droids-corp.org / dpdk.git / commitdiff