jsauer/torvalds-linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-01-11 17:10:13 +00:00
Code

netdev: preserve NETIF_F_ALL_FOR_ALL across TSO updates

Browse Source 
Directly increment the TSO features incurs a side effect: it will also
directly clear the flags in NETIF_F_ALL_FOR_ALL on the master device,
which can cause issues such as the inability to enable the nocache copy
feature on the bonding driver.

The fix is to include NETIF_F_ALL_FOR_ALL in the update mask, thereby
preventing it from being cleared.

Fixes: b0ce3508b25e ("bonding: allow TSO being set on bonding master")
Signed-off-by: Di Zhu <zhud@hygon.cn>
Link: https://patch.msgid.link/20251224012224.56185-1-zhud@hygon.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Di Zhu 2025-12-24 09:22:24 +08:00 committed by Jakub Kicinski
parent 2a71a1a8d0
commit 02d1e1a3f9
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/linux/netdevice.h
View File

@ -5323,7 +5323,8 @@ netdev_features_t netdev_increment_features(netdev_features_t all,
static inline netdev_features_t netdev_add_tso_features(netdev_features_t features,
netdev_features_t mask)
{
return netdev_increment_features(features, NETIF_F_ALL_TSO, mask);
return netdev_increment_features(features, NETIF_F_ALL_TSO |
NETIF_F_ALL_FOR_ALL, mask);
}
int __netdev_update_features(struct net_device *dev);