rte_free(rxq->sw_rx_ring);
rxq->sw_rx_ring = NULL;
rte_free(rxq);
- rx_queue = NULL;
+ rxq = NULL;
+ }
+}
+
+static void qede_tx_queue_release_mbufs(struct qede_tx_queue *txq)
+{
+ unsigned int i;
+
+ PMD_TX_LOG(DEBUG, txq, "releasing %u mbufs\n", txq->nb_tx_desc);
+
+ if (txq->sw_tx_ring) {
+ for (i = 0; i < txq->nb_tx_desc; i++) {
+ if (txq->sw_tx_ring[i].mbuf) {
+ rte_pktmbuf_free(txq->sw_tx_ring[i].mbuf);
+ txq->sw_tx_ring[i].mbuf = NULL;
+ }
+ }
}
}
data_size = (uint16_t)rte_pktmbuf_data_room_size(mp) -
RTE_PKTMBUF_HEADROOM;
- if (pkt_len > data_size) {
+ if (pkt_len > data_size && !dev->data->scattered_rx) {
DP_ERR(edev, "MTU %u should not exceed dataroom %u\n",
pkt_len, data_size);
rte_free(rxq);
return -EINVAL;
}
+ if (dev->data->scattered_rx)
+ rxq->rx_buf_size = data_size;
+ else
+ rxq->rx_buf_size = pkt_len + QEDE_ETH_OVERHEAD;
+
qdev->mtu = pkt_len;
- rxq->rx_buf_size = pkt_len + QEDE_ETH_OVERHEAD;
DP_INFO(edev, "MTU = %u ; RX buffer = %u\n",
qdev->mtu, rxq->rx_buf_size);
rxq->sw_rx_ring = NULL;
rte_free(rxq);
rxq = NULL;
+ return -ENOMEM;
}
/* Allocate FW completion ring */
rte_free(rxq->sw_rx_ring);
rxq->sw_rx_ring = NULL;
rte_free(rxq);
+ return -ENOMEM;
}
/* Allocate buffers for the Rx ring */
}
dev->data->rx_queues[queue_idx] = rxq;
- if (!qdev->rx_queues)
- qdev->rx_queues = (struct qede_rx_queue **)dev->data->rx_queues;
DP_INFO(edev, "rxq %d num_desc %u rx_buf_size=%u socket %u\n",
queue_idx, nb_desc, qdev->mtu, socket_id);
return -ENOMEM;
}
-static void qede_tx_queue_release_mbufs(struct qede_tx_queue *txq)
-{
- unsigned int i;
-
- PMD_TX_LOG(DEBUG, txq, "releasing %u mbufs\n", txq->nb_tx_desc);
-
- if (txq->sw_tx_ring != NULL) {
- for (i = 0; i < txq->nb_tx_desc; i++) {
- if (txq->sw_tx_ring[i].mbuf != NULL) {
- rte_pktmbuf_free(txq->sw_tx_ring[i].mbuf);
- txq->sw_tx_ring[i].mbuf = NULL;
- }
- }
- }
-}
-
void qede_tx_queue_release(void *tx_queue)
{
struct qede_tx_queue *txq = tx_queue;
}
rte_free(txq);
}
- tx_queue = NULL;
+ txq = NULL;
}
int
(txq->nb_tx_desc - QEDE_DEFAULT_TX_FREE_THRESH);
dev->data->tx_queues[queue_idx] = txq;
- if (!qdev->tx_queues)
- qdev->tx_queues = (struct qede_tx_queue **)dev->data->tx_queues;
-
- txq->txq_counter = 0;
DP_INFO(edev,
"txq %u num_desc %u tx_free_thresh %u socket %u\n",
static void qede_init_fp(struct qede_dev *qdev)
{
struct qede_fastpath *fp;
- int rss_id, txq_index, tc;
+ uint8_t i, rss_id, tc;
+ int fp_rx = qdev->fp_num_rx, rxq = 0, txq = 0;
- memset((void *)qdev->fp_array, 0, (QEDE_RSS_CNT(qdev) *
+ memset((void *)qdev->fp_array, 0, (QEDE_QUEUE_CNT(qdev) *
sizeof(*qdev->fp_array)));
- memset((void *)qdev->sb_array, 0, (QEDE_RSS_CNT(qdev) *
+ memset((void *)qdev->sb_array, 0, (QEDE_QUEUE_CNT(qdev) *
sizeof(*qdev->sb_array)));
- for_each_rss(rss_id) {
- fp = &qdev->fp_array[rss_id];
-
- fp->qdev = qdev;
- fp->rss_id = rss_id;
-
- /* Point rxq to generic rte queues that was created
- * as part of queue creation.
- */
- fp->rxq = qdev->rx_queues[rss_id];
- fp->sb_info = &qdev->sb_array[rss_id];
-
- for (tc = 0; tc < qdev->num_tc; tc++) {
- txq_index = tc * QEDE_RSS_CNT(qdev) + rss_id;
- fp->txqs[tc] = qdev->tx_queues[txq_index];
- fp->txqs[tc]->queue_id = txq_index;
- /* Updating it to main structure */
- snprintf(fp->name, sizeof(fp->name), "%s-fp-%d",
- "qdev", rss_id);
+ for_each_queue(i) {
+ fp = &qdev->fp_array[i];
+ if (fp_rx) {
+ fp->type = QEDE_FASTPATH_RX;
+ fp_rx--;
+ } else{
+ fp->type = QEDE_FASTPATH_TX;
}
+ fp->qdev = qdev;
+ fp->id = i;
+ fp->sb_info = &qdev->sb_array[i];
+ snprintf(fp->name, sizeof(fp->name), "%s-fp-%d", "qdev", i);
}
qdev->gro_disable = gro_disable;
struct ecore_dev *edev = &qdev->edev;
int i;
- qdev->fp_array = rte_calloc("fp", QEDE_RSS_CNT(qdev),
+ qdev->fp_array = rte_calloc("fp", QEDE_QUEUE_CNT(qdev),
sizeof(*qdev->fp_array),
RTE_CACHE_LINE_SIZE);
return -ENOMEM;
}
- qdev->sb_array = rte_calloc("sb", QEDE_RSS_CNT(qdev),
+ qdev->sb_array = rte_calloc("sb", QEDE_QUEUE_CNT(qdev),
sizeof(*qdev->sb_array),
RTE_CACHE_LINE_SIZE);
return 0;
}
-static int qede_alloc_mem_fp(struct qede_dev *qdev, struct qede_fastpath *fp)
-{
- return qede_alloc_mem_sb(qdev, fp->sb_info, fp->rss_id);
-}
-
-static void qede_shrink_txq(struct qede_dev *qdev, uint16_t num_rss)
-{
- /* @@@TBD - this should also re-set the qed interrupts */
-}
-
-/* This function allocates all qede memory at NIC load. */
-static int qede_alloc_mem_load(struct qede_dev *qdev)
+int qede_alloc_fp_resc(struct qede_dev *qdev)
{
- int rc = 0, rss_id;
struct ecore_dev *edev = &qdev->edev;
+ struct qede_fastpath *fp;
+ uint32_t num_sbs;
+ int rc, i;
- for (rss_id = 0; rss_id < QEDE_RSS_CNT(qdev); rss_id++) {
- struct qede_fastpath *fp = &qdev->fp_array[rss_id];
+ if (IS_VF(edev))
+ ecore_vf_get_num_sbs(ECORE_LEADING_HWFN(edev), &num_sbs);
+ else
+ num_sbs = (ecore_cxt_get_proto_cid_count
+ (ECORE_LEADING_HWFN(edev), PROTOCOLID_ETH, NULL)) / 2;
- rc = qede_alloc_mem_fp(qdev, fp);
- if (rc)
- break;
+ if (num_sbs == 0) {
+ DP_ERR(edev, "No status blocks available\n");
+ return -EINVAL;
}
- if (rss_id != QEDE_RSS_CNT(qdev)) {
- /* Failed allocating memory for all the queues */
- if (!rss_id) {
- DP_ERR(edev,
- "Failed to alloc memory for leading queue\n");
- rc = -ENOMEM;
- } else {
- DP_NOTICE(edev, false,
- "Failed to allocate memory for all of "
- "RSS queues\n"
- "Desired: %d queues, allocated: %d queues\n",
- QEDE_RSS_CNT(qdev), rss_id);
- qede_shrink_txq(qdev, rss_id);
+ if (qdev->fp_array)
+ qede_free_fp_arrays(qdev);
+
+ rc = qede_alloc_fp_array(qdev);
+ if (rc != 0)
+ return rc;
+
+ qede_init_fp(qdev);
+
+ for (i = 0; i < QEDE_QUEUE_CNT(qdev); i++) {
+ fp = &qdev->fp_array[i];
+ if (qede_alloc_mem_sb(qdev, fp->sb_info, i % num_sbs)) {
+ qede_free_fp_arrays(qdev);
+ return -ENOMEM;
}
- qdev->num_rss = rss_id;
}
return 0;
}
+void qede_dealloc_fp_resc(struct rte_eth_dev *eth_dev)
+{
+ struct qede_dev *qdev = QEDE_INIT_QDEV(eth_dev);
+
+ qede_free_mem_load(eth_dev);
+ qede_free_fp_arrays(qdev);
+}
+
static inline void
qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq)
{
buff[i] = rand();
}
-static int
-qede_config_rss(struct rte_eth_dev *eth_dev,
- struct qed_update_vport_rss_params *rss_params)
+static bool
+qede_check_vport_rss_enable(struct rte_eth_dev *eth_dev,
+ struct qed_update_vport_rss_params *rss_params)
{
struct rte_eth_rss_conf rss_conf;
enum rte_eth_rx_mq_mode mode = eth_dev->data->dev_conf.rxmode.mq_mode;
uint64_t hf;
uint32_t *key;
+ PMD_INIT_FUNC_TRACE(edev);
+
rss_conf = eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
key = (uint32_t *)rss_conf.rss_key;
hf = rss_conf.rss_hf;
- PMD_INIT_FUNC_TRACE(edev);
/* Check if RSS conditions are met.
* Note: Even though its meaningless to enable RSS with one queue, it
* could be used to produce RSS Hash, so skipping that check.
*/
-
if (!(mode & ETH_MQ_RX_RSS)) {
DP_INFO(edev, "RSS flag is not set\n");
- return -EINVAL;
+ return false;
}
- DP_INFO(edev, "RSS flag is set\n");
-
- if (rss_conf.rss_hf == 0)
- DP_NOTICE(edev, false, "RSS hash function = 0, disables RSS\n");
-
- if (rss_conf.rss_key != NULL)
- memcpy(qdev->rss_params.rss_key, rss_conf.rss_key,
- rss_conf.rss_key_len);
+ if (hf == 0) {
+ DP_INFO(edev, "Request to disable RSS\n");
+ return false;
+ }
memset(rss_params, 0, sizeof(*rss_params));
for (i = 0; i < ECORE_RSS_IND_TABLE_SIZE; i++)
rss_params->rss_ind_table[i] = qede_rxfh_indir_default(i,
- QEDE_RSS_CNT(qdev));
+ QEDE_RSS_COUNT(qdev));
- /* key and protocols */
- if (rss_conf.rss_key == NULL)
+ if (!key)
qede_prandom_bytes(rss_params->rss_key,
sizeof(rss_params->rss_key));
else
memcpy(rss_params->rss_key, rss_conf.rss_key,
rss_conf.rss_key_len);
- rss_caps = 0;
- rss_caps |= (hf & ETH_RSS_IPV4) ? ECORE_RSS_IPV4 : 0;
- rss_caps |= (hf & ETH_RSS_IPV6) ? ECORE_RSS_IPV6 : 0;
- rss_caps |= (hf & ETH_RSS_IPV6_EX) ? ECORE_RSS_IPV6 : 0;
- rss_caps |= (hf & ETH_RSS_NONFRAG_IPV4_TCP) ? ECORE_RSS_IPV4_TCP : 0;
- rss_caps |= (hf & ETH_RSS_NONFRAG_IPV6_TCP) ? ECORE_RSS_IPV6_TCP : 0;
- rss_caps |= (hf & ETH_RSS_IPV6_TCP_EX) ? ECORE_RSS_IPV6_TCP : 0;
+ qede_init_rss_caps(&rss_caps, hf);
rss_params->rss_caps = rss_caps;
- DP_INFO(edev, "RSS check passes\n");
+ DP_INFO(edev, "RSS conditions are met\n");
- return 0;
+ return true;
}
static int qede_start_queues(struct rte_eth_dev *eth_dev, bool clear_stats)
{
struct qede_dev *qdev = eth_dev->data->dev_private;
struct ecore_dev *edev = &qdev->edev;
+ struct ecore_queue_start_common_params q_params;
struct qed_update_vport_rss_params *rss_params = &qdev->rss_params;
struct qed_dev_info *qed_info = &qdev->dev_info.common;
struct qed_update_vport_params vport_update_params;
- struct qed_start_vport_params start = { 0 };
+ struct qede_tx_queue *txq;
+ struct qede_fastpath *fp;
+ dma_addr_t p_phys_table;
+ int txq_index;
+ uint16_t page_cnt;
int vlan_removal_en = 1;
int rc, tc, i;
- if (!qdev->num_rss) {
- DP_ERR(edev,
- "Cannot update V-VPORT as active as "
- "there are no Rx queues\n");
- return -EINVAL;
- }
+ for_each_queue(i) {
+ fp = &qdev->fp_array[i];
+ if (fp->type & QEDE_FASTPATH_RX) {
+ p_phys_table = ecore_chain_get_pbl_phys(&fp->rxq->
+ rx_comp_ring);
+ page_cnt = ecore_chain_get_page_cnt(&fp->rxq->
+ rx_comp_ring);
- start.remove_inner_vlan = vlan_removal_en;
- start.gro_enable = !qdev->gro_disable;
- start.mtu = qdev->mtu;
- start.vport_id = 0;
- start.drop_ttl0 = true;
- start.clear_stats = clear_stats;
+ memset(&q_params, 0, sizeof(q_params));
+ q_params.queue_id = i;
+ q_params.vport_id = 0;
+ q_params.sb = fp->sb_info->igu_sb_id;
+ q_params.sb_idx = RX_PI;
- rc = qdev->ops->vport_start(edev, &start);
- if (rc) {
- DP_ERR(edev, "Start V-PORT failed %d\n", rc);
- return rc;
- }
-
- DP_INFO(edev,
- "Start vport ramrod passed, vport_id = %d,"
- " MTU = %d, vlan_removal_en = %d\n",
- start.vport_id, qdev->mtu, vlan_removal_en);
-
- for_each_rss(i) {
- struct qede_fastpath *fp = &qdev->fp_array[i];
- dma_addr_t p_phys_table;
- uint16_t page_cnt;
-
- p_phys_table = ecore_chain_get_pbl_phys(&fp->rxq->rx_comp_ring);
- page_cnt = ecore_chain_get_page_cnt(&fp->rxq->rx_comp_ring);
+ ecore_sb_ack(fp->sb_info, IGU_INT_DISABLE, 0);
- ecore_sb_ack(fp->sb_info, IGU_INT_DISABLE, 0); /* @DPDK */
-
- rc = qdev->ops->q_rx_start(edev, i, i, 0,
- fp->sb_info->igu_sb_id,
- RX_PI,
+ rc = qdev->ops->q_rx_start(edev, i, &q_params,
fp->rxq->rx_buf_size,
fp->rxq->rx_bd_ring.p_phys_addr,
p_phys_table,
page_cnt,
&fp->rxq->hw_rxq_prod_addr);
- if (rc) {
- DP_ERR(edev, "Start RXQ #%d failed %d\n", i, rc);
- return rc;
- }
+ if (rc) {
+ DP_ERR(edev, "Start rxq #%d failed %d\n",
+ fp->rxq->queue_id, rc);
+ return rc;
+ }
- fp->rxq->hw_cons_ptr = &fp->sb_info->sb_virt->pi_array[RX_PI];
+ fp->rxq->hw_cons_ptr =
+ &fp->sb_info->sb_virt->pi_array[RX_PI];
- qede_update_rx_prod(qdev, fp->rxq);
+ qede_update_rx_prod(qdev, fp->rxq);
+ }
+ if (!(fp->type & QEDE_FASTPATH_TX))
+ continue;
for (tc = 0; tc < qdev->num_tc; tc++) {
- struct qede_tx_queue *txq = fp->txqs[tc];
- int txq_index = tc * QEDE_RSS_CNT(qdev) + i;
+ txq = fp->txqs[tc];
+ txq_index = tc * QEDE_RSS_COUNT(qdev) + i;
p_phys_table = ecore_chain_get_pbl_phys(&txq->tx_pbl);
page_cnt = ecore_chain_get_page_cnt(&txq->tx_pbl);
- rc = qdev->ops->q_tx_start(edev, i, txq_index,
- 0,
- fp->sb_info->igu_sb_id,
- TX_PI(tc),
- p_phys_table, page_cnt,
+
+ memset(&q_params, 0, sizeof(q_params));
+ q_params.queue_id = txq->queue_id;
+ q_params.vport_id = 0;
+ q_params.sb = fp->sb_info->igu_sb_id;
+ q_params.sb_idx = TX_PI(tc);
+
+ rc = qdev->ops->q_tx_start(edev, i, &q_params,
+ p_phys_table,
+ page_cnt, /* **pp_doorbell */
&txq->doorbell_addr);
if (rc) {
DP_ERR(edev, "Start txq %u failed %d\n",
/* Prepare and send the vport enable */
memset(&vport_update_params, 0, sizeof(vport_update_params));
- vport_update_params.vport_id = start.vport_id;
+ /* Update MTU via vport update */
+ vport_update_params.mtu = qdev->mtu;
+ vport_update_params.vport_id = 0;
vport_update_params.update_vport_active_flg = 1;
vport_update_params.vport_active_flg = 1;
vport_update_params.tx_switching_flg = 1;
}
- if (!qede_config_rss(eth_dev, rss_params)) {
+ if (qede_check_vport_rss_enable(eth_dev, rss_params)) {
vport_update_params.update_rss_flg = 1;
-
qdev->rss_enabled = 1;
- DP_INFO(edev, "Updating RSS flag\n");
} else {
qdev->rss_enabled = 0;
- DP_INFO(edev, "Not Updating RSS flag\n");
}
rte_memcpy(&vport_update_params.rss_params, rss_params,
return RTE_PTYPE_L2_ETHER | p_type;
}
+int qede_process_sg_pkts(void *p_rxq, struct rte_mbuf *rx_mb,
+ int num_segs, uint16_t pkt_len)
+{
+ struct qede_rx_queue *rxq = p_rxq;
+ struct qede_dev *qdev = rxq->qdev;
+ struct ecore_dev *edev = &qdev->edev;
+ uint16_t sw_rx_index, cur_size;
+
+ register struct rte_mbuf *seg1 = NULL;
+ register struct rte_mbuf *seg2 = NULL;
+
+ seg1 = rx_mb;
+ while (num_segs) {
+ cur_size = pkt_len > rxq->rx_buf_size ?
+ rxq->rx_buf_size : pkt_len;
+ if (!cur_size) {
+ PMD_RX_LOG(DEBUG, rxq,
+ "SG packet, len and num BD mismatch\n");
+ qede_recycle_rx_bd_ring(rxq, qdev, num_segs);
+ return -EINVAL;
+ }
+
+ if (qede_alloc_rx_buffer(rxq)) {
+ uint8_t index;
+
+ PMD_RX_LOG(DEBUG, rxq, "Buffer allocation failed\n");
+ index = rxq->port_id;
+ rte_eth_devices[index].data->rx_mbuf_alloc_failed++;
+ rxq->rx_alloc_errors++;
+ return -ENOMEM;
+ }
+
+ sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS(rxq);
+ seg2 = rxq->sw_rx_ring[sw_rx_index].mbuf;
+ qede_rx_bd_ring_consume(rxq);
+ pkt_len -= cur_size;
+ seg2->data_len = cur_size;
+ seg1->next = seg2;
+ seg1 = seg1->next;
+ num_segs--;
+ rxq->rx_segs++;
+ continue;
+ }
+ seg1 = NULL;
+
+ if (pkt_len)
+ PMD_RX_LOG(DEBUG, rxq,
+ "Mapped all BDs of jumbo, but still have %d bytes\n",
+ pkt_len);
+
+ return ECORE_SUCCESS;
+}
+
uint16_t
qede_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
{
union eth_rx_cqe *cqe;
struct eth_fast_path_rx_reg_cqe *fp_cqe;
register struct rte_mbuf *rx_mb = NULL;
+ register struct rte_mbuf *seg1 = NULL;
enum eth_rx_cqe_type cqe_type;
- uint16_t len, pad;
- uint16_t preload_idx;
- uint8_t csum_flag;
- uint16_t parse_flag;
+ uint16_t len, pad, preload_idx, pkt_len, parse_flag;
+ uint8_t csum_flag, num_segs;
enum rss_hash_type htype;
+ int ret;
hw_comp_cons = rte_le_to_cpu_16(*rxq->hw_cons_ptr);
sw_comp_cons = ecore_chain_get_cons_idx(&rxq->rx_comp_ring);
if (unlikely(cqe_type == ETH_RX_CQE_TYPE_SLOW_PATH)) {
PMD_RX_LOG(DEBUG, rxq, "Got a slowath CQE\n");
- qdev->ops->eth_cqe_completion(edev, fp->rss_id,
+ qdev->ops->eth_cqe_completion(edev, fp->id,
(struct eth_slow_path_rx_cqe *)cqe);
goto next_cqe;
}
qede_rx_bd_ring_consume(rxq);
+ if (fp_cqe->bd_num > 1) {
+ pkt_len = rte_le_to_cpu_16(fp_cqe->pkt_len);
+ num_segs = fp_cqe->bd_num - 1;
+
+ rxq->rx_segs++;
+
+ pkt_len -= len;
+ seg1 = rx_mb;
+ ret = qede_process_sg_pkts(p_rxq, seg1, num_segs,
+ pkt_len);
+ if (ret != ECORE_SUCCESS) {
+ qede_recycle_rx_bd_ring(rxq, qdev,
+ fp_cqe->bd_num);
+ goto next_cqe;
+ }
+ }
+
/* Prefetch next mbuf while processing current one. */
preload_idx = rxq->sw_rx_cons & NUM_RX_BDS(rxq);
rte_prefetch0(rxq->sw_rx_ring[preload_idx].mbuf);
- if (fp_cqe->bd_num != 1)
- PMD_RX_LOG(DEBUG, rxq,
- "Jumbo-over-BD packet not supported\n");
-
/* Update MBUF fields */
rx_mb->ol_flags = 0;
rx_mb->data_off = pad + RTE_PKTMBUF_HEADROOM;
- rx_mb->nb_segs = 1;
+ rx_mb->nb_segs = fp_cqe->bd_num;
rx_mb->data_len = len;
- rx_mb->pkt_len = len;
+ rx_mb->pkt_len = fp_cqe->pkt_len;
rx_mb->port = rxq->port_id;
rx_mb->packet_type = qede_rx_cqe_to_pkt_type(parse_flag);
*/
rx_mb->vlan_tci = rte_le_to_cpu_16(fp_cqe->vlan_tag);
rx_mb->ol_flags |= PKT_RX_QINQ_PKT;
+ rx_mb->vlan_tci_outer = 0;
}
rx_pkts[rx_pkt] = rx_mb;
qede_update_rx_prod(qdev, rxq);
+ rxq->rcv_pkts += rx_pkt;
+
PMD_RX_LOG(DEBUG, rxq, "rx_pkts=%u core=%d\n", rx_pkt, rte_lcore_id());
return rx_pkt;
static inline int
qede_free_tx_pkt(struct ecore_dev *edev, struct qede_tx_queue *txq)
{
- uint16_t idx = TX_CONS(txq);
+ uint16_t nb_segs, idx = TX_CONS(txq);
struct eth_tx_bd *tx_data_bd;
struct rte_mbuf *mbuf = txq->sw_tx_ring[idx].mbuf;
if (unlikely(!mbuf)) {
+ PMD_TX_LOG(ERR, txq, "null mbuf\n");
PMD_TX_LOG(ERR, txq,
- "null mbuf nb_tx_desc %u nb_tx_avail %u "
- "sw_tx_cons %u sw_tx_prod %u\n",
+ "tx_desc %u tx_avail %u tx_cons %u tx_prod %u\n",
txq->nb_tx_desc, txq->nb_tx_avail, idx,
TX_PROD(txq));
return -1;
}
- /* Free now */
- rte_pktmbuf_free_seg(mbuf);
+ nb_segs = mbuf->nb_segs;
+ while (nb_segs) {
+ /* It's like consuming rxbuf in recv() */
+ ecore_chain_consume(&txq->tx_pbl);
+ txq->nb_tx_avail++;
+ nb_segs--;
+ }
+ rte_pktmbuf_free(mbuf);
txq->sw_tx_ring[idx].mbuf = NULL;
- ecore_chain_consume(&txq->tx_pbl);
- txq->nb_tx_avail++;
return 0;
}
{
uint16_t tx_compl = 0;
uint16_t hw_bd_cons;
- int rc;
hw_bd_cons = rte_le_to_cpu_16(*txq->hw_cons_ptr);
rte_compiler_barrier();
while (hw_bd_cons != ecore_chain_get_cons_idx(&txq->tx_pbl)) {
- rc = qede_free_tx_pkt(edev, txq);
- if (rc) {
- DP_NOTICE(edev, false,
- "hw_bd_cons = %d, chain_cons=%d\n",
- hw_bd_cons,
- ecore_chain_get_cons_idx(&txq->tx_pbl));
+ if (qede_free_tx_pkt(edev, txq)) {
+ PMD_TX_LOG(ERR, txq,
+ "hw_bd_cons = %u, chain_cons = %u\n",
+ hw_bd_cons,
+ ecore_chain_get_cons_idx(&txq->tx_pbl));
break;
}
txq->sw_tx_cons++; /* Making TXD available */
return tx_compl;
}
+/* Populate scatter gather buffer descriptor fields */
+static inline uint16_t qede_encode_sg_bd(struct qede_tx_queue *p_txq,
+ struct rte_mbuf *m_seg,
+ uint16_t count,
+ struct eth_tx_1st_bd *bd1)
+{
+ struct qede_tx_queue *txq = p_txq;
+ struct eth_tx_2nd_bd *bd2 = NULL;
+ struct eth_tx_3rd_bd *bd3 = NULL;
+ struct eth_tx_bd *tx_bd = NULL;
+ uint16_t nb_segs = count;
+ dma_addr_t mapping;
+
+ /* Check for scattered buffers */
+ while (m_seg) {
+ if (nb_segs == 1) {
+ bd2 = (struct eth_tx_2nd_bd *)
+ ecore_chain_produce(&txq->tx_pbl);
+ memset(bd2, 0, sizeof(*bd2));
+ mapping = rte_mbuf_data_dma_addr(m_seg);
+ bd2->addr.hi = rte_cpu_to_le_32(U64_HI(mapping));
+ bd2->addr.lo = rte_cpu_to_le_32(U64_LO(mapping));
+ bd2->nbytes = rte_cpu_to_le_16(m_seg->data_len);
+ } else if (nb_segs == 2) {
+ bd3 = (struct eth_tx_3rd_bd *)
+ ecore_chain_produce(&txq->tx_pbl);
+ memset(bd3, 0, sizeof(*bd3));
+ mapping = rte_mbuf_data_dma_addr(m_seg);
+ bd3->addr.hi = rte_cpu_to_le_32(U64_HI(mapping));
+ bd3->addr.lo = rte_cpu_to_le_32(U64_LO(mapping));
+ bd3->nbytes = rte_cpu_to_le_16(m_seg->data_len);
+ } else {
+ tx_bd = (struct eth_tx_bd *)
+ ecore_chain_produce(&txq->tx_pbl);
+ memset(tx_bd, 0, sizeof(*tx_bd));
+ mapping = rte_mbuf_data_dma_addr(m_seg);
+ tx_bd->addr.hi = rte_cpu_to_le_32(U64_HI(mapping));
+ tx_bd->addr.lo = rte_cpu_to_le_32(U64_LO(mapping));
+ tx_bd->nbytes = rte_cpu_to_le_16(m_seg->data_len);
+ }
+ nb_segs++;
+ bd1->data.nbds = nb_segs;
+ m_seg = m_seg->next;
+ }
+
+ /* Return total scattered buffers */
+ return nb_segs;
+}
+
uint16_t
qede_xmit_pkts(void *p_txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
{
struct qede_tx_queue *txq = p_txq;
struct qede_dev *qdev = txq->qdev;
struct ecore_dev *edev = &qdev->edev;
- struct qede_fastpath *fp = &qdev->fp_array[txq->queue_id];
- struct eth_tx_1st_bd *first_bd;
+ struct qede_fastpath *fp;
+ struct eth_tx_1st_bd *bd1;
+ struct rte_mbuf *m_seg = NULL;
uint16_t nb_tx_pkts;
uint16_t nb_pkt_sent = 0;
uint16_t bd_prod;
uint16_t idx;
uint16_t tx_count;
+ uint16_t nb_segs = 0;
+
+ fp = &qdev->fp_array[QEDE_RSS_COUNT(qdev) + txq->queue_id];
if (unlikely(txq->nb_tx_avail < txq->tx_free_thresh)) {
PMD_TX_LOG(DEBUG, txq, "send=%u avail=%u free_thresh=%u\n",
(void)qede_process_tx_compl(edev, txq);
}
- nb_tx_pkts = RTE_MIN(nb_pkts, (txq->nb_tx_avail / MAX_NUM_TX_BDS));
+ nb_tx_pkts = RTE_MIN(nb_pkts, (txq->nb_tx_avail /
+ ETH_TX_MAX_BDS_PER_NON_LSO_PACKET));
if (unlikely(nb_tx_pkts == 0)) {
PMD_TX_LOG(DEBUG, txq, "Out of BDs nb_pkts=%u avail=%u\n",
nb_pkts, txq->nb_tx_avail);
/* Fill the entry in the SW ring and the BDs in the FW ring */
idx = TX_PROD(txq);
struct rte_mbuf *mbuf = *tx_pkts++;
+
txq->sw_tx_ring[idx].mbuf = mbuf;
- first_bd = (struct eth_tx_1st_bd *)
- ecore_chain_produce(&txq->tx_pbl);
- first_bd->data.bd_flags.bitfields =
- 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT;
+ bd1 = (struct eth_tx_1st_bd *)ecore_chain_produce(&txq->tx_pbl);
+ /* Zero init struct fields */
+ bd1->data.bd_flags.bitfields = 0;
+ bd1->data.bitfields = 0;
+
+ bd1->data.bd_flags.bitfields =
+ 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT;
/* Map MBUF linear data for DMA and set in the first BD */
- QEDE_BD_SET_ADDR_LEN(first_bd, rte_mbuf_data_dma_addr(mbuf),
- mbuf->data_len);
+ QEDE_BD_SET_ADDR_LEN(bd1, rte_mbuf_data_dma_addr(mbuf),
+ mbuf->pkt_len);
/* Descriptor based VLAN insertion */
if (mbuf->ol_flags & (PKT_TX_VLAN_PKT | PKT_TX_QINQ_PKT)) {
- first_bd->data.vlan = rte_cpu_to_le_16(mbuf->vlan_tci);
- first_bd->data.bd_flags.bitfields |=
+ bd1->data.vlan = rte_cpu_to_le_16(mbuf->vlan_tci);
+ bd1->data.bd_flags.bitfields |=
1 << ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT;
}
/* Offload the IP checksum in the hardware */
if (mbuf->ol_flags & PKT_TX_IP_CKSUM) {
- first_bd->data.bd_flags.bitfields |=
+ bd1->data.bd_flags.bitfields |=
1 << ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT;
}
/* L4 checksum offload (tcp or udp) */
if (mbuf->ol_flags & (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)) {
- first_bd->data.bd_flags.bitfields |=
+ bd1->data.bd_flags.bitfields |=
1 << ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT;
/* IPv6 + extn. -> later */
}
- first_bd->data.nbds = MAX_NUM_TX_BDS;
+
+ /* Handle fragmented MBUF */
+ m_seg = mbuf->next;
+ nb_segs++;
+ bd1->data.nbds = nb_segs;
+ /* Encode scatter gather buffer descriptors if required */
+ nb_segs = qede_encode_sg_bd(txq, m_seg, nb_segs, bd1);
+ txq->nb_tx_avail = txq->nb_tx_avail - nb_segs;
+ nb_segs = 0;
txq->sw_tx_prod++;
rte_prefetch0(txq->sw_tx_ring[TX_PROD(txq)].mbuf);
- txq->nb_tx_avail--;
bd_prod =
rte_cpu_to_le_16(ecore_chain_get_prod_idx(&txq->tx_pbl));
nb_pkt_sent++;
+ txq->xmit_pkts++;
}
/* Write value of prod idx into bd_prod */
return nb_pkt_sent;
}
+static void qede_init_fp_queue(struct rte_eth_dev *eth_dev)
+{
+ struct qede_dev *qdev = eth_dev->data->dev_private;
+ struct qede_fastpath *fp;
+ uint8_t i, rss_id, txq_index, tc;
+ int rxq = 0, txq = 0;
+
+ for_each_queue(i) {
+ fp = &qdev->fp_array[i];
+ if (fp->type & QEDE_FASTPATH_RX) {
+ fp->rxq = eth_dev->data->rx_queues[i];
+ fp->rxq->queue_id = rxq++;
+ }
+
+ if (fp->type & QEDE_FASTPATH_TX) {
+ for (tc = 0; tc < qdev->num_tc; tc++) {
+ txq_index = tc * QEDE_TSS_COUNT(qdev) + txq;
+ fp->txqs[tc] =
+ eth_dev->data->tx_queues[txq_index];
+ fp->txqs[tc]->queue_id = txq_index;
+ }
+ txq++;
+ }
+ }
+}
+
int qede_dev_start(struct rte_eth_dev *eth_dev)
{
struct qede_dev *qdev = eth_dev->data->dev_private;
struct ecore_dev *edev = &qdev->edev;
struct qed_link_output link_output;
- int rc;
+ struct qede_fastpath *fp;
+ int rc, i;
- DP_INFO(edev, "port %u\n", eth_dev->data->port_id);
+ DP_INFO(edev, "Device state is %d\n", qdev->state);
- if (qdev->state == QEDE_START) {
- DP_INFO(edev, "device already started\n");
+ if (qdev->state == QEDE_DEV_START) {
+ DP_INFO(edev, "Port is already started\n");
return 0;
}
- if (qdev->state == QEDE_CLOSE) {
- rc = qede_alloc_fp_array(qdev);
- qede_init_fp(qdev);
- rc = qede_alloc_mem_load(qdev);
- DP_INFO(edev, "Allocated %d RSS queues on %d TC/s\n",
- QEDE_RSS_CNT(qdev), qdev->num_tc);
- } else if (qdev->state == QEDE_STOP) {
- DP_INFO(edev, "restarting port %u\n", eth_dev->data->port_id);
- } else {
- DP_INFO(edev, "unknown state port %u\n",
- eth_dev->data->port_id);
- return -EINVAL;
- }
+ if (qdev->state == QEDE_DEV_CONFIG)
+ qede_init_fp_queue(eth_dev);
rc = qede_start_queues(eth_dev, true);
-
if (rc) {
DP_ERR(edev, "Failed to start queues\n");
/* TBD: free */
return rc;
}
- DP_INFO(edev, "Start VPORT, RXQ and TXQ succeeded\n");
-
+ /* Bring-up the link */
qede_dev_set_link_state(eth_dev, true);
- /* Query whether link is already-up */
- memset(&link_output, 0, sizeof(link_output));
- qdev->ops->common->get_link(edev, &link_output);
- DP_NOTICE(edev, false, "link status: %s\n",
- link_output.link_up ? "up" : "down");
+ /* Reset ring */
+ if (qede_reset_fp_rings(qdev))
+ return -ENOMEM;
- qdev->state = QEDE_START;
+ /* Start/resume traffic */
+ qdev->ops->fastpath_start(edev);
- qede_config_rx_mode(eth_dev);
+ qdev->state = QEDE_DEV_START;
- DP_INFO(edev, "dev_state is QEDE_START\n");
+ DP_INFO(edev, "dev_state is QEDE_DEV_START\n");
return 0;
}
vport_update_params.vport_active_flg = 0;
vport_update_params.update_rss_flg = 0;
- DP_INFO(edev, "vport_update\n");
+ DP_INFO(edev, "Deactivate vport\n");
rc = qdev->ops->vport_update(edev, &vport_update_params);
if (rc) {
DP_INFO(edev, "Flushing tx queues\n");
/* Flush Tx queues. If needed, request drain from MCP */
- for_each_rss(i) {
+ for_each_queue(i) {
struct qede_fastpath *fp = &qdev->fp_array[i];
- for (tc = 0; tc < qdev->num_tc; tc++) {
- struct qede_tx_queue *txq = fp->txqs[tc];
- rc = qede_drain_txq(qdev, txq, true);
- if (rc)
- return rc;
+
+ if (fp->type & QEDE_FASTPATH_TX) {
+ for (tc = 0; tc < qdev->num_tc; tc++) {
+ struct qede_tx_queue *txq = fp->txqs[tc];
+
+ rc = qede_drain_txq(qdev, txq, true);
+ if (rc)
+ return rc;
+ }
}
}
/* Stop all Queues in reverse order */
- for (i = QEDE_RSS_CNT(qdev) - 1; i >= 0; i--) {
+ for (i = QEDE_QUEUE_CNT(qdev) - 1; i >= 0; i--) {
struct qed_stop_rxq_params rx_params;
/* Stop the Tx Queue(s) */
- for (tc = 0; tc < qdev->num_tc; tc++) {
- struct qed_stop_txq_params tx_params;
-
- tx_params.rss_id = i;
- tx_params.tx_queue_id = tc * QEDE_RSS_CNT(qdev) + i;
-
- DP_INFO(edev, "Stopping tx queues\n");
- rc = qdev->ops->q_tx_stop(edev, &tx_params);
- if (rc) {
- DP_ERR(edev, "Failed to stop TXQ #%d\n",
- tx_params.tx_queue_id);
- return rc;
+ if (qdev->fp_array[i].type & QEDE_FASTPATH_TX) {
+ for (tc = 0; tc < qdev->num_tc; tc++) {
+ struct qed_stop_txq_params tx_params;
+ u8 val;
+
+ tx_params.rss_id = i;
+ val = qdev->fp_array[i].txqs[tc]->queue_id;
+ tx_params.tx_queue_id = val;
+
+ DP_INFO(edev, "Stopping tx queues\n");
+ rc = qdev->ops->q_tx_stop(edev, &tx_params);
+ if (rc) {
+ DP_ERR(edev, "Failed to stop TXQ #%d\n",
+ tx_params.tx_queue_id);
+ return rc;
+ }
}
}
/* Stop the Rx Queue */
- memset(&rx_params, 0, sizeof(rx_params));
- rx_params.rss_id = i;
- rx_params.rx_queue_id = i;
- rx_params.eq_completion_only = 1;
+ if (qdev->fp_array[i].type & QEDE_FASTPATH_RX) {
+ memset(&rx_params, 0, sizeof(rx_params));
+ rx_params.rss_id = i;
+ rx_params.rx_queue_id = qdev->fp_array[i].rxq->queue_id;
+ rx_params.eq_completion_only = 1;
- DP_INFO(edev, "Stopping rx queues\n");
+ DP_INFO(edev, "Stopping rx queues\n");
- rc = qdev->ops->q_rx_stop(edev, &rx_params);
- if (rc) {
- DP_ERR(edev, "Failed to stop RXQ #%d\n", i);
- return rc;
+ rc = qdev->ops->q_rx_stop(edev, &rx_params);
+ if (rc) {
+ DP_ERR(edev, "Failed to stop RXQ #%d\n", i);
+ return rc;
+ }
}
}
- DP_INFO(edev, "Stopping vports\n");
-
- /* Stop the vport */
- rc = qdev->ops->vport_stop(edev, 0);
- if (rc)
- DP_ERR(edev, "Failed to stop VPORT\n");
-
- return rc;
+ return 0;
}
-void qede_reset_fp_rings(struct qede_dev *qdev)
+int qede_reset_fp_rings(struct qede_dev *qdev)
{
- uint16_t rss_id;
+ struct qede_fastpath *fp;
+ struct qede_tx_queue *txq;
uint8_t tc;
-
- for_each_rss(rss_id) {
- DP_INFO(&qdev->edev, "reset fp chain for rss %u\n", rss_id);
- struct qede_fastpath *fp = &qdev->fp_array[rss_id];
- ecore_chain_reset(&fp->rxq->rx_bd_ring);
- ecore_chain_reset(&fp->rxq->rx_comp_ring);
- for (tc = 0; tc < qdev->num_tc; tc++) {
- struct qede_tx_queue *txq = fp->txqs[tc];
- ecore_chain_reset(&txq->tx_pbl);
+ uint16_t id, i;
+
+ for_each_queue(id) {
+ fp = &qdev->fp_array[id];
+
+ if (fp->type & QEDE_FASTPATH_RX) {
+ DP_INFO(&qdev->edev,
+ "Reset FP chain for RSS %u\n", id);
+ qede_rx_queue_release_mbufs(fp->rxq);
+ ecore_chain_reset(&fp->rxq->rx_bd_ring);
+ ecore_chain_reset(&fp->rxq->rx_comp_ring);
+ fp->rxq->sw_rx_prod = 0;
+ fp->rxq->sw_rx_cons = 0;
+ *fp->rxq->hw_cons_ptr = 0;
+ for (i = 0; i < fp->rxq->nb_rx_desc; i++) {
+ if (qede_alloc_rx_buffer(fp->rxq)) {
+ DP_ERR(&qdev->edev,
+ "RX buffer allocation failed\n");
+ return -ENOMEM;
+ }
+ }
+ }
+ if (fp->type & QEDE_FASTPATH_TX) {
+ for (tc = 0; tc < qdev->num_tc; tc++) {
+ txq = fp->txqs[tc];
+ qede_tx_queue_release_mbufs(txq);
+ ecore_chain_reset(&txq->tx_pbl);
+ txq->sw_tx_cons = 0;
+ txq->sw_tx_prod = 0;
+ *txq->hw_cons_ptr = 0;
+ }
}
}
+
+ return 0;
}
/* This function frees all memory of a single fp */
-static void qede_free_mem_fp(struct qede_dev *qdev, struct qede_fastpath *fp)
+void qede_free_mem_load(struct rte_eth_dev *eth_dev)
{
+ struct qede_dev *qdev = QEDE_INIT_QDEV(eth_dev);
+ struct qede_fastpath *fp;
+ uint16_t txq_idx;
+ uint8_t id;
uint8_t tc;
- qede_rx_queue_release(fp->rxq);
- for (tc = 0; tc < qdev->num_tc; tc++)
- qede_tx_queue_release(fp->txqs[tc]);
-}
-
-void qede_free_mem_load(struct qede_dev *qdev)
-{
- uint8_t rss_id;
-
- for_each_rss(rss_id) {
- struct qede_fastpath *fp = &qdev->fp_array[rss_id];
- qede_free_mem_fp(qdev, fp);
+ for_each_queue(id) {
+ fp = &qdev->fp_array[id];
+ if (fp->type & QEDE_FASTPATH_RX) {
+ qede_rx_queue_release(fp->rxq);
+ eth_dev->data->rx_queues[id] = NULL;
+ } else {
+ for (tc = 0; tc < qdev->num_tc; tc++) {
+ txq_idx = fp->txqs[tc]->queue_id;
+ qede_tx_queue_release(fp->txqs[tc]);
+ eth_dev->data->tx_queues[txq_idx] = NULL;
+ }
+ }
}
- /* qdev->num_rss = 0; */
}
-/*
- * Stop an Ethernet device. The device can be restarted with a call to
- * rte_eth_dev_start().
- * Do not change link state and do not release sw structures.
- */
void qede_dev_stop(struct rte_eth_dev *eth_dev)
{
struct qede_dev *qdev = eth_dev->data->dev_private;
struct ecore_dev *edev = &qdev->edev;
- int rc;
DP_INFO(edev, "port %u\n", eth_dev->data->port_id);
- if (qdev->state != QEDE_START) {
- DP_INFO(edev, "device not yet started\n");
+ if (qdev->state != QEDE_DEV_START) {
+ DP_INFO(edev, "Device not yet started\n");
return;
}
- rc = qede_stop_queues(qdev);
-
- if (rc)
+ if (qede_stop_queues(qdev))
DP_ERR(edev, "Didn't succeed to close queues\n");
DP_INFO(edev, "Stopped queues\n");
qdev->ops->fastpath_stop(edev);
- qede_reset_fp_rings(qdev);
+ /* Bring the link down */
+ qede_dev_set_link_state(eth_dev, false);
- qdev->state = QEDE_STOP;
+ qdev->state = QEDE_DEV_STOP;
- DP_INFO(edev, "dev_state is QEDE_STOP\n");
+ DP_INFO(edev, "dev_state is QEDE_DEV_STOP\n");
}
Code Review / deb_dpdk.git / blobdiff