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| author | Sriram Yagnaraman <sriram.yagnaraman@est.tech> | 2023-08-31 10:03:30 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-09-01 09:11:51 +0200 |
| commit | 6ac66cb03ae306c2e288a9be18226310529f5b25 (patch) | |
| tree | 94c8e872d5c3db3244773688c23fc9b0686e4496 /include/net | |
| parent | skbuff: skb_segment, Call zero copy functions before using skbuff frags (diff) | |
| download | linux-6ac66cb03ae306c2e288a9be18226310529f5b25.tar.xz linux-6ac66cb03ae306c2e288a9be18226310529f5b25.zip | |
ipv4: ignore dst hint for multipath routes
Route hints when the nexthop is part of a multipath group causes packets
in the same receive batch to be sent to the same nexthop irrespective of
the multipath hash of the packet. So, do not extract route hint for
packets whose destination is part of a multipath group.
A new SKB flag IPSKB_MULTIPATH is introduced for this purpose, set the
flag when route is looked up in ip_mkroute_input() and use it in
ip_extract_route_hint() to check for the existence of the flag.
Fixes: 02b24941619f ("ipv4: use dst hint for ipv4 list receive")
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/ip.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 9276cea775cc..3489a1cca5e7 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -57,6 +57,7 @@ struct inet_skb_parm { #define IPSKB_FRAG_PMTU BIT(6) #define IPSKB_L3SLAVE BIT(7) #define IPSKB_NOPOLICY BIT(8) +#define IPSKB_MULTIPATH BIT(9) u16 frag_max_size; }; |