redonkable/alistair23-linux
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atl1e: limit gso segment size to prevent generation of wrong ip length fields

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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>
This commit is contained in:
Hannes Frederic Sowa 2013-04-02 14:36:46 +00:00 committed by David S. Miller
parent 4543fbefe6
commit 31d1670e73
2 changed files with 2 additions and 1 deletions
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2
drivers/net/ethernet/atheros/atl1e/atl1e.h
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@ -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

1
drivers/net/ethernet/atheros/atl1e/atl1e_main.c
View file

@ -2329,6 +2329,7 @@ static int atl1e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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");