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cxgb4: Increased the value of MAX_IMM_TX_PKT_LEN from 128 to 256 bytes
authorHariprasad Shenai <hariprasad@chelsio.com>
Tue, 14 Apr 2015 20:32:30 +0000 (02:02 +0530)
committerDavid S. Miller <davem@davemloft.net>
Tue, 14 Apr 2015 19:08:51 +0000 (15:08 -0400)
This allows a significant latency drop for packets of sizes between 128 and 192
bytes

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/chelsio/cxgb4/sge.c patch | blob | history

diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index e622214..900c642 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -144,7 +144,7 @@
  * Max Tx descriptor space we allow for an Ethernet packet to be inlined
  * into a WR.
  */
-#define MAX_IMM_TX_PKT_LEN 128
+#define MAX_IMM_TX_PKT_LEN 256
 
 /*
  * Max size of a WR sent through a control Tx queue.
Domain: System / Kernel;