[dpdk-stable] [PATCH v4 12/15] net/bnxt: increase the size of Rx CQ

Ajit Khaparde ajit.khaparde at broadcom.com
Mon Oct 26 04:56:13 CET 2020


LRO aka TPA and jumbo frame support uses aggregation ring for placing
Rx buffers. These features can generate multiple Rx completions for a
single Rx packet. Increase size of Rx Completion Queue to handle TPA
and aggregation ring events.

Fixes: daef48efe5e5 ("net/bnxt: support set MTU")
Cc: stable at dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
Reviewed-by: Qingmin Liu <qingmin.liu at broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher at broadcom.com>
---
 drivers/net/bnxt/bnxt_ring.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h
index daf9804956..3d81f610c1 100644
--- a/drivers/net/bnxt/bnxt_ring.h
+++ b/drivers/net/bnxt/bnxt_ring.h
@@ -27,7 +27,7 @@
 #define DEFAULT_RX_RING_SIZE	256
 #define DEFAULT_TX_RING_SIZE	256
 
-#define AGG_RING_SIZE_FACTOR	2
+#define AGG_RING_SIZE_FACTOR	4
 #define AGG_RING_MULTIPLIER	2
 
 /* These assume 4k pages */
-- 
2.21.1 (Apple Git-122.3)



More information about the stable mailing list