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tcp: move sysctl_tcp_l3mdev_accept to netns_ipv4_read_rx

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sysctl_tcp_l3mdev_accept is read from TCP receive fast path from
tcp_v6_early_demux(),
 __inet6_lookup_established,
  inet_request_bound_dev_if().

Move it to netns_ipv4_read_rx.

Remove the '#ifdef CONFIG_NET_L3_MASTER_DEV' that was guarding
its definition.

Note this adds a hole of three bytes that could be filled later.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Cc: Wei Wang <weiwan@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Link: https://patch.msgid.link/20241010034100.320832-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2024-10-10 03:41:00 +00:00
committed by Jakub Kicinski
parent 7e5b547cac
commit d677aebd66
3 changed files with 6 additions and 5 deletions
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2
Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst
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@@ -59,7 +59,7 @@ u8 sysctl_udp_early_demux
u8 sysctl_nexthop_compat_mode
u8 sysctl_fwmark_reflect
u8 sysctl_tcp_fwmark_accept
u8 sysctl_tcp_l3mdev_accept
u8 sysctl_tcp_l3mdev_accept read_mostly __inet6_lookup_established/inet_request_bound_dev_if
u8 sysctl_tcp_mtu_probing
int sysctl_tcp_mtu_probe_floor
int sysctl_tcp_base_mss