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Commit 31d1670e authored by Hannes Frederic Sowa's avatar Hannes Frederic Sowa Committed by David S. Miller
Browse files

atl1e: limit gso segment size to prevent generation of wrong ip length fields 



The limit of 0x3c00 is taken from the windows driver.

Suggested-by: default avatarHuang, Xiong <xiong@qca.qualcomm.com>
Cc: Huang, Xiong <xiong@qca.qualcomm.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarHannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4543fbef

drivers/net/ethernet/atheros/atl1e/atl1e.h

+1 −1
Original line number Diff line number Diff line
@@ -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

drivers/net/ethernet/atheros/atl1e/atl1e_main.c

+1 −0
Original line number Diff line number Diff line
@@ -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");