Paul Davey a4b7606732 xfrm: Preserve vlan tags for transport mode software GRO ... [ Upstream commit 58fbfecab9 ] The software GRO path for esp transport mode uses skb_mac_header_rebuild prior to re-injecting the packet via the xfrm_napi_dev. This only copies skb->mac_len bytes of header which may not be sufficient if the packet contains 802.1Q tags or other VLAN tags. Worse copying only the initial header will leave a packet marked as being VLAN tagged but without the corresponding tag leading to mangling when it is later untagged. The VLAN tags are important when receiving the decrypted esp transport mode packet after GRO processing to ensure it is received on the correct interface. Therefore record the full mac header length in xfrm*_transport_input for later use in corresponding xfrm*_transport_finish to copy the entire mac header when rebuilding the mac header for GRO. The skb->data pointer is left pointing skb->mac_header bytes after the start of the mac header as is expected by the network stack and network and transport header offsets reset to this location. Fixes: 7785bba299 ("esp: Add a software GRO codepath") Signed-off-by: Paul Davey <paul.davey@alliedtelesis.co.nz> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-05-17 11:48:06 +02:00
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espintcp.c	net: Fix data-races around netdev_max_backlog.	2022-08-31 17:15:19 +02:00
Kconfig
Makefile	xfrm: interface: rename xfrm_interface.c to xfrm_interface_core.c	2023-06-28 10:28:10 +02:00
xfrm_algo.c
xfrm_compat.c	net: xfrm: Amend XFRMA_SEC_CTX nla_policy structure	2023-08-26 15:26:51 +02:00
xfrm_device.c	xfrm: replay: Fix ESN wrap around for GSO	2022-12-02 17:39:58 +01:00
xfrm_hash.c
xfrm_hash.h
xfrm_inout.h
xfrm_input.c	xfrm: Preserve vlan tags for transport mode software GRO	2024-05-17 11:48:06 +02:00
xfrm_interface_core.c	xfrm: interface: use DEV_STATS_INC()	2023-10-25 11:54:19 +02:00
xfrm_ipcomp.c	xfrm: Update ipcomp_scratches with NULL when freed	2022-10-26 13:25:46 +02:00
xfrm_output.c	xfrm: remove the fragment check for ipv6 beet mode	2021-07-14 16:56:19 +02:00
xfrm_policy.c	xfrm: fix a data-race in xfrm_gen_index()	2023-10-25 11:54:19 +02:00
xfrm_proc.c
xfrm_replay.c	xfrm: replay: Fix ESN wrap around for GSO	2022-12-02 17:39:58 +01:00
xfrm_state.c	xfrm: Allow transport-mode states with AF_UNSPEC selector	2023-03-22 13:29:55 +01:00
xfrm_sysctl.c
xfrm_user.c	xfrm: Avoid clang fortify warning in copy_to_user_tmpl()	2024-04-13 12:58:49 +02:00