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net/bnxt: fix queue stop operation

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When there are no active Rx queues(i.e when all queues have been
stopped), clear the RSS redirection table of the VNIC on Thor.

Fixes: 9b63c6fd70 ("net/bnxt: support Rx/Tx queue start/stop")
Cc: stable@dpdk.org

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Lance Richardson <lance.richardson@broadcom.com>
This commit is contained in:
Kalesh AP 2022-01-04 14:08:09 +05:30 committed by Ajit Khaparde
parent 04689bdb65
commit 3e6fae2b65
3 changed files with 27 additions and 0 deletions
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23
drivers/net/bnxt/bnxt_hwrm.c
View File

@ -6262,3 +6262,26 @@ int bnxt_hwrm_config_host_mtu(struct bnxt *bp)
return rc; return rc;
} }
int
bnxt_vnic_rss_clear_p5(struct bnxt *bp, struct bnxt_vnic_info *vnic)
{
struct hwrm_vnic_rss_cfg_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_vnic_rss_cfg_input req = {0};
int nr_ctxs = vnic->num_lb_ctxts;
int i, rc = 0;
for (i = 0; i < nr_ctxs; i++) {
HWRM_PREP(&req, HWRM_VNIC_RSS_CFG, BNXT_USE_CHIMP_MB);
req.rss_ctx_idx = rte_cpu_to_le_16(vnic->fw_grp_ids[i]);
req.vnic_id = rte_cpu_to_le_16(vnic->fw_vnic_id);
rc = bnxt_hwrm_send_message(bp, &req, sizeof(req), BNXT_USE_CHIMP_MB);
HWRM_CHECK_RESULT();
HWRM_UNLOCK();
}
return rc;
}

1
drivers/net/bnxt/bnxt_hwrm.h
View File

@ -310,4 +310,5 @@ int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp, struct bnxt_cp_ring_info *cpr);
void bnxt_free_hwrm_tx_ring(struct bnxt *bp, int queue_index); void bnxt_free_hwrm_tx_ring(struct bnxt *bp, int queue_index);
int bnxt_alloc_hwrm_tx_ring(struct bnxt *bp, int queue_index); int bnxt_alloc_hwrm_tx_ring(struct bnxt *bp, int queue_index);
int bnxt_hwrm_config_host_mtu(struct bnxt *bp); int bnxt_hwrm_config_host_mtu(struct bnxt *bp);
int bnxt_vnic_rss_clear_p5(struct bnxt *bp, struct bnxt_vnic_info *vnic);
#endif #endif

3
drivers/net/bnxt/bnxt_rxq.c
View File

@ -574,6 +574,9 @@ int bnxt_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
if (active_queue_cnt == 0) { if (active_queue_cnt == 0) {
uint16_t saved_mru = vnic->mru; uint16_t saved_mru = vnic->mru;
/* clear RSS setting on vnic. */
bnxt_vnic_rss_clear_p5(bp, vnic);
vnic->mru = 0; vnic->mru = 0;
/* Reconfigure default receive ring and MRU. */ /* Reconfigure default receive ring and MRU. */
bnxt_hwrm_vnic_cfg(bp, vnic); bnxt_hwrm_vnic_cfg(bp, vnic);