netdev - [PATCH v2] ibm_newemac: Fixes entry of short packets

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Message-Id: <1214902699-10534-1-git-send-email-sr@denx.de>
Date:	Tue,  1 Jul 2008 10:58:19 +0200
From:	Stefan Roese <sr@...x.de>
To:	linuxppc-dev@...abs.org, netdev@...r.kernel.org
Cc:	benh@...nel.crashing.org, Sathya Narayanan <sathyan@...mf1.com>
Subject: [PATCH v2] ibm_newemac: Fixes entry of short packets

From: Sathya Narayanan <sathyan@...mf1.com>

Short packets has to be discarded by the driver. So this patch addresses the
issue of discarding the short packets of size lesser then ethernet header
size.

Signed-off-by: Sathya Narayanan <sathyan@...mf1.com>
Signed-off-by: Stefan Roese <sr@...x.de>
---
 drivers/net/ibm_newemac/core.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index ca63fa0..babc79a 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1636,6 +1636,12 @@ static int emac_poll_rx(void *param, int budget)
 			goto next;
 		}
 
+		if (len < ETH_HLEN) {
+			++dev->estats.rx_dropped_stack;
+			emac_recycle_rx_skb(dev, slot, len);
+			goto next;
+		}
+
 		if (len && len < EMAC_RX_COPY_THRESH) {
 			struct sk_buff *copy_skb =
 			    alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC);
-- 
1.5.6.1

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