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path: root/drivers/net/qede/qede_ethdev.c
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Diffstat (limited to 'drivers/net/qede/qede_ethdev.c')
-rw-r--r--drivers/net/qede/qede_ethdev.c160
1 files changed, 141 insertions, 19 deletions
diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 9d782ac7..5275ef9d 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -282,6 +282,67 @@ qede_ucast_filter(struct rte_eth_dev *eth_dev, struct ecore_filter_ucast *ucast,
return 0;
}
+static void qede_reset_queue_stats(struct qede_dev *qdev, bool xstats)
+{
+#ifdef RTE_LIBRTE_QEDE_DEBUG_DRIVER
+ struct ecore_dev *edev = QEDE_INIT_EDEV(qdev);
+#endif
+ unsigned int i = 0, j = 0, qid;
+ unsigned int rxq_stat_cntrs, txq_stat_cntrs;
+ struct qede_tx_queue *txq;
+
+ DP_VERBOSE(edev, ECORE_MSG_DEBUG, "Clearing queue stats\n");
+
+ rxq_stat_cntrs = RTE_MIN(QEDE_RSS_COUNT(qdev),
+ RTE_ETHDEV_QUEUE_STAT_CNTRS);
+ txq_stat_cntrs = RTE_MIN(QEDE_TSS_COUNT(qdev),
+ RTE_ETHDEV_QUEUE_STAT_CNTRS);
+
+ for (qid = 0; qid < QEDE_QUEUE_CNT(qdev); qid++) {
+ if (qdev->fp_array[qid].type & QEDE_FASTPATH_RX) {
+ OSAL_MEMSET(((char *)(qdev->fp_array[qid].rxq)) +
+ offsetof(struct qede_rx_queue, rcv_pkts), 0,
+ sizeof(uint64_t));
+ OSAL_MEMSET(((char *)(qdev->fp_array[qid].rxq)) +
+ offsetof(struct qede_rx_queue, rx_hw_errors), 0,
+ sizeof(uint64_t));
+ OSAL_MEMSET(((char *)(qdev->fp_array[qid].rxq)) +
+ offsetof(struct qede_rx_queue, rx_alloc_errors), 0,
+ sizeof(uint64_t));
+
+ if (xstats)
+ for (j = 0;
+ j < RTE_DIM(qede_rxq_xstats_strings); j++)
+ OSAL_MEMSET((((char *)
+ (qdev->fp_array[qid].rxq)) +
+ qede_rxq_xstats_strings[j].offset),
+ 0,
+ sizeof(uint64_t));
+
+ i++;
+ if (i == rxq_stat_cntrs)
+ break;
+ }
+ }
+
+ i = 0;
+
+ for (qid = 0; qid < QEDE_QUEUE_CNT(qdev); qid++) {
+ if (qdev->fp_array[qid].type & QEDE_FASTPATH_TX) {
+ txq = qdev->fp_array[(qid)].txqs[0];
+
+ OSAL_MEMSET((uint64_t *)(uintptr_t)
+ (((uint64_t)(uintptr_t)(txq)) +
+ offsetof(struct qede_tx_queue, xmit_pkts)), 0,
+ sizeof(uint64_t));
+
+ i++;
+ if (i == txq_stat_cntrs)
+ break;
+ }
+ }
+}
+
static int
qede_mcast_filter(struct rte_eth_dev *eth_dev, struct ecore_filter_ucast *mcast,
bool add)
@@ -629,7 +690,7 @@ static int qede_init_vport(struct qede_dev *qdev)
start.remove_inner_vlan = 1;
start.gro_enable = 0;
- start.mtu = ETHER_MTU + QEDE_ETH_OVERHEAD;
+ start.mtu = qdev->mtu;
start.vport_id = 0;
start.drop_ttl0 = false;
start.clear_stats = 1;
@@ -674,6 +735,14 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev)
}
}
+ /* We need to have min 1 RX queue.There is no min check in
+ * rte_eth_dev_configure(), so we are checking it here.
+ */
+ if (eth_dev->data->nb_rx_queues == 0) {
+ DP_ERR(edev, "Minimum one RX queue is required\n");
+ return -EINVAL;
+ }
+
/* Sanity checks and throw warnings */
if (rxmode->enable_scatter == 1)
eth_dev->data->scattered_rx = 1;
@@ -709,6 +778,14 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev)
if (rc != 0)
return rc;
+ /* If jumbo enabled adjust MTU */
+ if (eth_dev->data->dev_conf.rxmode.jumbo_frame)
+ eth_dev->data->mtu =
+ eth_dev->data->dev_conf.rxmode.max_rx_pkt_len -
+ ETHER_HDR_LEN - ETHER_CRC_LEN;
+
+ qdev->mtu = eth_dev->data->mtu;
+
/* Issue VPORT-START with default config values to allow
* other port configurations early on.
*/
@@ -756,8 +833,7 @@ qede_dev_info_get(struct rte_eth_dev *eth_dev,
PMD_INIT_FUNC_TRACE(edev);
- dev_info->min_rx_bufsize = (uint32_t)(ETHER_MIN_MTU +
- QEDE_ETH_OVERHEAD);
+ dev_info->min_rx_bufsize = (uint32_t)QEDE_MIN_RX_BUFF_SIZE;
dev_info->max_rx_pktlen = (uint32_t)ETH_TX_MAX_NON_LSO_PKT_LEN;
dev_info->rx_desc_lim = qede_rx_desc_lim;
dev_info->tx_desc_lim = qede_tx_desc_lim;
@@ -1115,6 +1191,7 @@ qede_reset_xstats(struct rte_eth_dev *dev)
struct ecore_dev *edev = &qdev->edev;
ecore_reset_vport_stats(edev);
+ qede_reset_queue_stats(qdev, true);
}
int qede_dev_set_link_state(struct rte_eth_dev *eth_dev, bool link_up)
@@ -1150,6 +1227,7 @@ static void qede_reset_stats(struct rte_eth_dev *eth_dev)
struct ecore_dev *edev = &qdev->edev;
ecore_reset_vport_stats(edev);
+ qede_reset_queue_stats(qdev, false);
}
static void qede_allmulticast_enable(struct rte_eth_dev *eth_dev)
@@ -1395,32 +1473,76 @@ int qede_rss_reta_query(struct rte_eth_dev *eth_dev,
int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
{
- uint32_t frame_size;
- struct qede_dev *qdev = dev->data->dev_private;
+ struct qede_dev *qdev = QEDE_INIT_QDEV(dev);
+ struct ecore_dev *edev = QEDE_INIT_EDEV(qdev);
struct rte_eth_dev_info dev_info = {0};
+ struct qede_fastpath *fp;
+ uint32_t max_rx_pkt_len;
+ uint32_t frame_size;
+ uint16_t rx_buf_size;
+ uint16_t bufsz;
+ bool restart = false;
+ int i;
+ PMD_INIT_FUNC_TRACE(edev);
+ if (IS_VF(edev))
+ return -ENOTSUP;
qede_dev_info_get(dev, &dev_info);
-
- /* VLAN_TAG = 4 */
- frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN + 4;
-
- if ((mtu < ETHER_MIN_MTU) || (frame_size > dev_info.max_rx_pktlen))
+ max_rx_pkt_len = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+ frame_size = max_rx_pkt_len + QEDE_ETH_OVERHEAD;
+ if ((mtu < ETHER_MIN_MTU) || (frame_size > dev_info.max_rx_pktlen)) {
+ DP_ERR(edev, "MTU %u out of range, %u is maximum allowable\n",
+ mtu, dev_info.max_rx_pktlen - ETHER_HDR_LEN -
+ ETHER_CRC_LEN - QEDE_ETH_OVERHEAD);
return -EINVAL;
-
+ }
if (!dev->data->scattered_rx &&
- frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
+ frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM) {
+ DP_INFO(edev, "MTU greater than minimum RX buffer size of %u\n",
+ dev->data->min_rx_buf_size);
return -EINVAL;
-
- if (frame_size > ETHER_MAX_LEN)
+ }
+ /* Temporarily replace I/O functions with dummy ones. It cannot
+ * be set to NULL because rte_eth_rx_burst() doesn't check for NULL.
+ */
+ dev->rx_pkt_burst = qede_rxtx_pkts_dummy;
+ dev->tx_pkt_burst = qede_rxtx_pkts_dummy;
+ if (dev->data->dev_started) {
+ dev->data->dev_started = 0;
+ qede_dev_stop(dev);
+ restart = true;
+ }
+ rte_delay_ms(1000);
+ qdev->mtu = mtu;
+ /* Fix up RX buf size for all queues of the port */
+ for_each_queue(i) {
+ fp = &qdev->fp_array[i];
+ if ((fp->type & QEDE_FASTPATH_RX) && (fp->rxq != NULL)) {
+ bufsz = (uint16_t)rte_pktmbuf_data_room_size(
+ fp->rxq->mb_pool) - RTE_PKTMBUF_HEADROOM;
+ if (dev->data->scattered_rx)
+ rx_buf_size = bufsz + ETHER_HDR_LEN +
+ ETHER_CRC_LEN + QEDE_ETH_OVERHEAD;
+ else
+ rx_buf_size = frame_size;
+ rx_buf_size = QEDE_CEIL_TO_CACHE_LINE_SIZE(rx_buf_size);
+ fp->rxq->rx_buf_size = rx_buf_size;
+ DP_INFO(edev, "buf_size adjusted to %u\n", rx_buf_size);
+ }
+ }
+ if (max_rx_pkt_len > ETHER_MAX_LEN)
dev->data->dev_conf.rxmode.jumbo_frame = 1;
else
dev->data->dev_conf.rxmode.jumbo_frame = 0;
-
+ if (!dev->data->dev_started && restart) {
+ qede_dev_start(dev);
+ dev->data->dev_started = 1;
+ }
/* update max frame size */
- dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
- qdev->mtu = mtu;
- qede_dev_stop(dev);
- qede_dev_start(dev);
+ dev->data->dev_conf.rxmode.max_rx_pkt_len = max_rx_pkt_len;
+ /* Reassign back */
+ dev->rx_pkt_burst = qede_recv_pkts;
+ dev->tx_pkt_burst = qede_xmit_pkts;
return 0;
}