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linux/net/xfrm
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Ayush Sawal dd72fadf21 xfrm: Fix xfrm offload fallback fail case 
In case of xfrm offload, if xdo_dev_state_add() of driver returns
-EOPNOTSUPP, xfrm offload fallback is failed.
In xfrm state_add() both xso->dev and xso->real_dev are initialized to
dev and when err(-EOPNOTSUPP) is returned only xso->dev is set to null.

So in this scenario the condition in func validate_xmit_xfrm(),
if ((x->xso.dev != dev) && (x->xso.real_dev == dev))
                return skb;
returns true, due to which skb is returned without calling esp_xmit()
below which has fallback code. Hence the CRYPTO_FALLBACK is failing.

So fixing this with by keeping x->xso.real_dev as NULL when err is
returned in func xfrm_dev_state_add().

Fixes: bdfd2d1fa7 ("bonding/xfrm: use real_dev instead of slave_dev")
Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2021-06-22 09:08:15 +02:00
..
espintcp.c espintcp: restore IP CB before handing the packet to xfrm 2020-08-17 15:58:04 +02:00
Kconfig xfrm/compat: Add 32=>64-bit messages translator 2020-09-24 08:53:03 +02:00
Makefile xfrm: Provide API to register translator module 2020-09-24 08:53:03 +02:00
xfrm_algo.c crypto: skcipher - remove the "blkcipher" algorithm type 2019-11-01 13:38:32 +08:00
xfrm_compat.c xfrm/compat: Cleanup WARN()s that can be user-triggered 2021-03-30 07:29:09 +02:00
xfrm_device.c xfrm: Fix xfrm offload fallback fail case 2021-06-22 09:08:15 +02:00
xfrm_hash.c
xfrm_hash.h
xfrm_inout.h xfrm: move xfrm4_extract_header to common helper 2020-05-06 09:40:08 +02:00
xfrm_input.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2021-01-21 11:05:10 -08:00
xfrm_interface.c xfrm: interface: fix ipv4 pmtu check to honor ip header df 2021-02-23 18:23:58 +01:00
xfrm_ipcomp.c net: Use skb_frag_off accessors 2019-07-30 14:21:32 -07:00
xfrm_output.c xfrm: remove the fragment check for ipv6 beet mode 2021-06-01 08:22:17 +02:00
xfrm_policy.c xfrm: policy: Read seqcount outside of rcu-read side in xfrm_policy_lookup_bytype 2021-06-01 07:48:46 +02:00
xfrm_proc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
xfrm_replay.c xfrm: introduce oseq-may-wrap flag 2020-06-24 07:51:01 +02:00
xfrm_state.c xfrm: xfrm_state_mtu should return at least 1280 for ipv6 2021-04-19 12:43:50 +02:00
xfrm_sysctl.c
xfrm_user.c xfrm: Fix error reporting in xfrm_state_construct. 2021-06-14 11:58:43 +02:00