netdev - [PATCH net-next] bnx2x: Added GRO support

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Message-ID: <1270122573.22693.6.camel@lb-tlvb-dmitry>
Date:	Thu, 1 Apr 2010 14:49:33 +0300
From:	"Dmitry Kravkov" <dmitry@...adcom.com>
To:	davem@...emloft.net
cc:	netdev@...r.kernel.org, eilong@...adcom.com, vladz@...adcom.com
Subject: [PATCH net-next] bnx2x: Added GRO support

Resend, since original mail has typo in Dave's address

---
Adding GRO support on top of the HW LRO (TPA) support –
there is no measurable performance drawback of adding GRO
on top of it, and it allows better performance when LRO (TPA)
is turned off for virtualization or bridging.


Signed-off-by: Dmitry Kravkov <dmitry@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
 drivers/net/bnx2x_main.c |   20 +++++++++++---------
 1 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 6c042a7..f4ea99d 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -57,8 +57,8 @@
 #include "bnx2x_init_ops.h"
 #include "bnx2x_dump.h"
 
-#define DRV_MODULE_VERSION	"1.52.1-7"
-#define DRV_MODULE_RELDATE	"2010/02/28"
+#define DRV_MODULE_VERSION	"1.52.1-8"
+#define DRV_MODULE_RELDATE	"2010/04/01"
 #define BNX2X_BC_VER		0x040200
 
 #include <linux/firmware.h>
@@ -1441,12 +1441,12 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 #ifdef BCM_VLAN
 			if ((bp->vlgrp != NULL) && is_vlan_cqe &&
 			    (!is_not_hwaccel_vlan_cqe))
-				vlan_hwaccel_receive_skb(skb, bp->vlgrp,
-						le16_to_cpu(cqe->fast_path_cqe.
-							    vlan_tag));
+				vlan_gro_receive(&fp->napi, bp->vlgrp,
+						 le16_to_cpu(cqe->fast_path_cqe.
+							     vlan_tag), skb);
 			else
 #endif
-				netif_receive_skb(skb);
+				napi_gro_receive(&fp->napi, skb);
 		} else {
 			DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
 			   " - dropping packet!\n");
@@ -1699,11 +1699,11 @@ reuse_rx:
 		if ((bp->vlgrp != NULL) && (bp->flags & HW_VLAN_RX_FLAG) &&
 		    (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
 		     PARSING_FLAGS_VLAN))
-			vlan_hwaccel_receive_skb(skb, bp->vlgrp,
-				le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
+			vlan_gro_receive(&fp->napi, bp->vlgrp,
+				le16_to_cpu(cqe->fast_path_cqe.vlan_tag), skb);
 		else
 #endif
-			netif_receive_skb(skb);
+			napi_gro_receive(&fp->napi, skb);
 
 
 next_rx:
@@ -8935,6 +8935,8 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
 	bp->multi_mode = multi_mode;
 
 
+	bp->dev->features |= NETIF_F_GRO;
+
 	/* Set TPA flags */
 	if (disable_tpa) {
 		bp->flags &= ~TPA_ENABLE_FLAG;
-- 
1.6.3.3




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