diff mbox series

[net] xfrm: Pass flowi_oif or l3mdev as oif to xfrm_dst_lookup

Message ID 20220401185837.40626-1-dsahern@kernel.org (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series [net] xfrm: Pass flowi_oif or l3mdev as oif to xfrm_dst_lookup | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net
netdev/fixes_present success Fixes tag present in non-next series
netdev/subject_prefix success Link
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 12 this patch: 12
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 9 this patch: 9
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 12 this patch: 12
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 15 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

David Ahern April 1, 2022, 6:58 p.m. UTC
The commit referenced in the Fixes tag no longer changes the
flow oif to the l3mdev ifindex. A xfrm use case was expecting
the flowi_oif to be the VRF if relevant and the change broke
that test. Update xfrm_bundle_create to pass oif if set and any
potential flowi_l3mdev if oif is not set.

Fixes: 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
---
 net/xfrm/xfrm_policy.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Steffen Klassert April 5, 2022, 9:29 a.m. UTC | #1
On Fri, Apr 01, 2022 at 12:58:37PM -0600, David Ahern wrote:
> The commit referenced in the Fixes tag no longer changes the
> flow oif to the l3mdev ifindex. A xfrm use case was expecting
> the flowi_oif to be the VRF if relevant and the change broke
> that test. Update xfrm_bundle_create to pass oif if set and any
> potential flowi_l3mdev if oif is not set.
> 
> Fixes: 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices")
> Reported-by: kernel test robot <oliver.sang@intel.com>
> Signed-off-by: David Ahern <dsahern@kernel.org>

Applied to the ipsec tree, thanks David!
diff mbox series

Patch

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 19aa994f5d2c..00bd0ecff5a1 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2593,12 +2593,14 @@  static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
 
 		if (xfrm[i]->props.mode != XFRM_MODE_TRANSPORT) {
 			__u32 mark = 0;
+			int oif;
 
 			if (xfrm[i]->props.smark.v || xfrm[i]->props.smark.m)
 				mark = xfrm_smark_get(fl->flowi_mark, xfrm[i]);
 
 			family = xfrm[i]->props.family;
-			dst = xfrm_dst_lookup(xfrm[i], tos, fl->flowi_oif,
+			oif = fl->flowi_oif ? : fl->flowi_l3mdev;
+			dst = xfrm_dst_lookup(xfrm[i], tos, oif,
 					      &saddr, &daddr, family, mark);
 			err = PTR_ERR(dst);
 			if (IS_ERR(dst))