From abd70dfd7e1df706a70fb9fa7d7777cf4428fe2c Mon Sep 17 00:00:00 2001 From: Hannes Frederic Sowa Date: Tue, 2 Apr 2013 14:36:46 +0000 Subject: 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 Cc: Huang, Xiong Cc: Eric Dumazet Signed-off-by: Hannes Frederic Sowa Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/atl1e/atl1e.h | 2 +- drivers/net/atl1e/atl1e_main.c | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/atl1e/atl1e.h b/drivers/net/atl1e/atl1e.h index 409309770293..2cec0dfbbd3f 100644 --- a/drivers/net/atl1e/atl1e.h +++ b/drivers/net/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/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c index b0132bbc4212..8fe1cd3da3a6 100644 --- a/drivers/net/atl1e/atl1e_main.c +++ b/drivers/net/atl1e/atl1e_main.c @@ -2333,6 +2333,7 @@ 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"); -- cgit v1.2.3