Di Zhu b71d08b968 netdev: preserve NETIF_F_ALL_FOR_ALL across TSO updates ...

[ Upstream commit 02d1e1a3f9 ]

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: b0ce3508b2 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2026-01-17 16:31:23 +01:00

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