[dpdk-dev] [PATCH v2 13/17] net/bnxt: fix vnic RSS configure function

Ajit Khaparde ajitkhaparde at gmail.com
Wed Dec 9 20:22:29 CET 2020


From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>

1. moved invalid VNIC id check to the beginning of the function.
2. removed a duplicate check which avoids unnecessary code indentation.

Fixes: 49d0709b257fc ("net/bnxt: delete and flush L2 filters cleanly")
Cc: stable at dpdk.org

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur at broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 42 +++++++++++++++++-------------------
 1 file changed, 20 insertions(+), 22 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 6f5402070..cee2656c1 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -4896,37 +4896,35 @@ int bnxt_vnic_rss_configure(struct bnxt *bp, struct bnxt_vnic_info *vnic)
 {
 	unsigned int rss_idx, fw_idx, i;
 
+	if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
+		return 0;
+
 	if (!(vnic->rss_table && vnic->hash_type))
 		return 0;
 
 	if (BNXT_CHIP_P5(bp))
 		return bnxt_vnic_rss_configure_p5(bp, vnic);
 
-	if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
-		return 0;
-
-	if (vnic->rss_table && vnic->hash_type) {
-		/*
-		 * Fill the RSS hash & redirection table with
-		 * ring group ids for all VNICs
-		 */
-		for (rss_idx = 0, fw_idx = 0; rss_idx < HW_HASH_INDEX_SIZE;
-			rss_idx++, fw_idx++) {
-			for (i = 0; i < bp->rx_cp_nr_rings; i++) {
-				fw_idx %= bp->rx_cp_nr_rings;
-				if (vnic->fw_grp_ids[fw_idx] !=
-				    INVALID_HW_RING_ID)
-					break;
-				fw_idx++;
-			}
-			if (i == bp->rx_cp_nr_rings)
-				return 0;
-			vnic->rss_table[rss_idx] = vnic->fw_grp_ids[fw_idx];
+	/*
+	 * Fill the RSS hash & redirection table with
+	 * ring group ids for all VNICs
+	 */
+	for (rss_idx = 0, fw_idx = 0; rss_idx < HW_HASH_INDEX_SIZE;
+	     rss_idx++, fw_idx++) {
+		for (i = 0; i < bp->rx_cp_nr_rings; i++) {
+			fw_idx %= bp->rx_cp_nr_rings;
+			if (vnic->fw_grp_ids[fw_idx] != INVALID_HW_RING_ID)
+				break;
+			fw_idx++;
 		}
-		return bnxt_hwrm_vnic_rss_cfg(bp, vnic);
+
+		if (i == bp->rx_cp_nr_rings)
+			return 0;
+
+		vnic->rss_table[rss_idx] = vnic->fw_grp_ids[fw_idx];
 	}
 
-	return 0;
+	return bnxt_hwrm_vnic_rss_cfg(bp, vnic);
 }
 
 static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal,
-- 
2.21.1 (Apple Git-122.3)



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