[PATCH 13/14] net/bnxt: cap ring resources for P7 devices

Ajit Khaparde ajit.khaparde at broadcom.com
Mon Dec 4 19:37:09 CET 2023


Cap the NQ count for P7 devices.
Driver does not need a high NQ ring count anyway since we operate in
poll mode.

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Reviewed-by: Damodharam Ammepalli <damodharam.ammepalli at broadcom.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index ccc5417af1..a747f6b6b8 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -1222,7 +1222,10 @@ int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp)
 	else
 		bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
 	bp->max_stat_ctx = rte_le_to_cpu_16(resp->max_stat_ctx);
-	bp->max_nq_rings = rte_le_to_cpu_16(resp->max_msix);
+	if (BNXT_CHIP_P7(bp))
+		bp->max_nq_rings = BNXT_P7_MAX_NQ_RING_CNT;
+	else
+		bp->max_nq_rings = rte_le_to_cpu_16(resp->max_msix);
 	bp->vf_resv_strategy = rte_le_to_cpu_16(resp->vf_reservation_strategy);
 	if (bp->vf_resv_strategy >
 	    HWRM_FUNC_RESOURCE_QCAPS_OUTPUT_VF_RESV_STRATEGY_MINIMAL_STATIC)
-- 
2.39.2 (Apple Git-143)

-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4218 bytes
Desc: S/MIME Cryptographic Signature
URL: <http://mails.dpdk.org/archives/dev/attachments/20231204/a26e4d10/attachment.bin>


More information about the dev mailing list