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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-04-02 14:36:46 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-01 09:41:06 -0700
commit74595d06f51d68bbc25c5864d15566ea5049a33a (patch)
tree528c86b75a9564be4c9341efafb6ce14c697b6b5
parent617f13b4194b6aad612733a932bc89d883d9325e (diff)
atl1e: limit gso segment size to prevent generation of wrong ip length fields
[ Upstream commit 31d1670e73f4911fe401273a8f576edc9c2b5fea ] The limit of 0x3c00 is taken from the windows driver. Suggested-by: Huang, Xiong <xiong@qca.qualcomm.com> Cc: Huang, Xiong <xiong@qca.qualcomm.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e.h2
-rw-r--r--drivers/net/ethernet/atheros/atl1e/atl1e_main.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e.h b/drivers/net/ethernet/atheros/atl1e/atl1e.h
index edfdf6b950e..b5fd934585e 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e.h
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e.h
@@ -186,7 +186,7 @@ struct atl1e_tpd_desc {
/* how about 0x2000 */
#define MAX_TX_BUF_LEN 0x2000
#define MAX_TX_BUF_SHIFT 13
-/*#define MAX_TX_BUF_LEN 0x3000 */
+#define MAX_TSO_SEG_SIZE 0x3c00
/* rrs word 1 bit 0:31 */
#define RRS_RX_CSUM_MASK 0xFFFF
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index f9641511f62..d53509eaf6f 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -2354,6 +2354,7 @@ static int __devinit atl1e_probe(struct pci_dev *pdev,
INIT_WORK(&adapter->reset_task, atl1e_reset_task);
INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task);
+ netif_set_gso_max_size(netdev, MAX_TSO_SEG_SIZE);
err = register_netdev(netdev);
if (err) {
netdev_err(netdev, "register netdevice failed\n");