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(parent: 571bf02) | patch
inet: move inet_ehash_secret and udp_ehash_secret into net_hotdata
authorEric Dumazet <edumazet@google.com>
Wed, 6 Mar 2024 16:00:27 +0000 (16:00 +0000)
committerJakub Kicinski <kuba@kernel.org>
Fri, 8 Mar 2024 05:12:43 +0000 (21:12 -0800)
commit6e0735723ab437793cfab02d50b3ae3539aeb520
tree4cd1f0fc1b3a701d34aa23e9b20299f3b9bfabb3tree | snapshot
parent571bf020be9c3b135e8b6dd87421919953268c1fcommit | diff
inet: move inet_ehash_secret and udp_ehash_secret into net_hotdata

"struct net_protocol" has a 32bit hole in 32bit arches.

Use it to store the 32bit secret used by UDP and TCP,
to increase cache locality in rx path.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240306160031.874438-15-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
include/net/hotdata.h diff | blob | history
include/net/protocol.h diff | blob | history
net/ipv4/inet_hashtables.c diff | blob | history
net/ipv4/udp.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git