[dpdk-dev] [PATCH 1/3] net/bnxt: handle Rx multi queue creation properly
Ajit Khaparde
ajit.khaparde at broadcom.com
Thu Oct 12 19:35:19 CEST 2017
This patch simplifies logic for RSS queue creation.
1) Do not hardcode number of VNIC pools in case of RSS
2) Log a message if Number of queues is > RTE_ETHDEV_QUEUE_STAT_CNTRS
3) Move the check for allocation of l2_filter inside the for loop.
Fixes: 6133f207970c ("net/bnxt: add Rx queue create/destroy")
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
drivers/net/bnxt/bnxt_ethdev.c | 5 +++++
drivers/net/bnxt/bnxt_rxq.c | 18 ++++++------------
2 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index d3da30189..af7a126bc 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -569,6 +569,11 @@ static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev)
int vlan_mask = 0;
int rc;
+ if (bp->rx_cp_nr_rings > RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+ RTE_LOG(ERR, PMD,
+ "RxQ cnt %d > CONFIG_RTE_ETHDEV_QUEUE_STAT_CNTRS %d\n",
+ bp->rx_cp_nr_rings, RTE_ETHDEV_QUEUE_STAT_CNTRS);
+ }
bp->dev_stopped = 0;
rc = bnxt_init_nic(bp);
diff --git a/drivers/net/bnxt/bnxt_rxq.c b/drivers/net/bnxt/bnxt_rxq.c
index f2389515d..a2fa7e40f 100644
--- a/drivers/net/bnxt/bnxt_rxq.c
+++ b/drivers/net/bnxt/bnxt_rxq.c
@@ -68,7 +68,6 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
struct bnxt_filter_info *filter;
enum rte_eth_nb_pools pools = bp->rx_cp_nr_rings, max_pools = 0;
struct bnxt_rx_queue *rxq;
- bool rss_dflt_cr = false;
bp->nr_vnics = 0;
@@ -119,7 +118,7 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
pools = max_pools;
break;
case ETH_MQ_RX_RSS:
- pools = 1;
+ pools = bp->rx_cp_nr_rings;
break;
default:
RTE_LOG(ERR, PMD, "Unsupported mq_mod %d\n",
@@ -128,13 +127,6 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
goto err_out;
}
}
- /*
- * If MQ RX w/o RSS no need for per VNIC filter.
- */
- if ((dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB) ||
- (bp->rx_cp_nr_rings &&
- !(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS)))
- rss_dflt_cr = true;
nb_q_per_grp = bp->rx_cp_nr_rings / pools;
start_grp_id = 0;
@@ -151,7 +143,7 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
STAILQ_INSERT_TAIL(&bp->ff_pool[i], vnic, next);
bp->nr_vnics++;
- for (j = 0, ring_idx = 0; j < nb_q_per_grp; j++, ring_idx++) {
+ for (j = 0; j < nb_q_per_grp; j++, ring_idx++) {
rxq = bp->eth_dev->data->rx_queues[ring_idx];
rxq->vnic = vnic;
}
@@ -166,8 +158,10 @@ int bnxt_mq_rx_configure(struct bnxt *bp)
vnic->start_grp_id = start_grp_id;
vnic->end_grp_id = end_grp_id;
- if (rss_dflt_cr && i) {
- vnic->rss_dflt_cr = true;
+ if (i) {
+ if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB ||
+ !(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS))
+ vnic->rss_dflt_cr = true;
goto skip_filter_allocation;
}
filter = bnxt_alloc_filter(bp);
--
2.13.5 (Apple Git-94)
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