diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-02-06 17:34:20 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-02-10 20:57:49 -0800 |
| commit | 03ff0cb1a9269a12c648e69e8b6ae6c2a723977c (patch) | |
| tree | 9829af6e540772e4da735d68be6d1f899346171e | |
| parent | 792aaea994537daa78f31a86c948ccbefa8f4706 (diff) | |
ipv6: add daddr/final storage in struct ipv6_pinfo
After commit b409a7f7176b ("ipv6: colocate inet6_cork in
inet_cork_full") we have room in ipv6_pinfo to hold daddr/final
in case they need to be populated in fl6_update_dst() calls.
This will allow stack canary removal in IPv6 tx fast paths.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260206173426.1638518-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/linux/ipv6.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index bdbd63f9a85e..443053a76dcf 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -230,6 +230,10 @@ struct ipv6_fl_socklist; struct ipv6_pinfo { /* Used in tx path (inet6_csk_route_socket(), ip6_xmit()) */ struct in6_addr saddr; + union { + struct in6_addr daddr; + struct in6_addr final; + }; __be32 flow_label; u32 dst_cookie; struct ipv6_txoptions __rcu *opt; |