diff options
| author | Eric Dumazet <edumazet@google.com> | 2024-03-06 19:00:20 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-08 08:12:42 +0300 |
| commit | 0139806eebd6bcf6a3df98950cd0691aff216304 (patch) | |
| tree | 8257508a0ff3838975e1718b31159667d28b7acb | |
| parent | 61a0be1a5342045059ce53eabfe6500d499d2f89 (diff) | |
| download | linux-0139806eebd6bcf6a3df98950cd0691aff216304.tar.xz | |
net: move tcpv4_offload and tcpv6_offload to net_hotdata
These are used in TCP fast paths.
Move them into net_hotdata for better cache locality.
v2: tcpv6_offload definition depends on CONFIG_INET
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/20240306160031.874438-8-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/net/hotdata.h | 3 | ||||
| -rw-r--r-- | net/ipv4/tcp_offload.c | 17 | ||||
| -rw-r--r-- | net/ipv6/tcpv6_offload.c | 16 |
3 files changed, 19 insertions, 17 deletions
diff --git a/include/net/hotdata.h b/include/net/hotdata.h index d8ce20d3215d..d86d02f156fc 100644 --- a/include/net/hotdata.h +++ b/include/net/hotdata.h @@ -4,12 +4,15 @@ #include <linux/types.h> #include <linux/netdevice.h> +#include <net/protocol.h> /* Read mostly data used in network fast paths. */ struct net_hotdata { #if IS_ENABLED(CONFIG_INET) struct packet_offload ip_packet_offload; + struct net_offload tcpv4_offload; struct packet_offload ipv6_packet_offload; + struct net_offload tcpv6_offload; #endif struct list_head offload_base; struct list_head ptype_all; diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index b955ab3b236d..ebe4722bb020 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -345,15 +345,14 @@ INDIRECT_CALLABLE_SCOPE int tcp4_gro_complete(struct sk_buff *skb, int thoff) return 0; } -static const struct net_offload tcpv4_offload = { - .callbacks = { - .gso_segment = tcp4_gso_segment, - .gro_receive = tcp4_gro_receive, - .gro_complete = tcp4_gro_complete, - }, -}; - int __init tcpv4_offload_init(void) { - return inet_add_offload(&tcpv4_offload, IPPROTO_TCP); + net_hotdata.tcpv4_offload = (struct net_offload) { + .callbacks = { + .gso_segment = tcp4_gso_segment, + .gro_receive = tcp4_gro_receive, + .gro_complete = tcp4_gro_complete, + }, + }; + return inet_add_offload(&net_hotdata.tcpv4_offload, IPPROTO_TCP); } diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c index bf0c957e4b5e..4b07d1e6c952 100644 --- a/net/ipv6/tcpv6_offload.c +++ b/net/ipv6/tcpv6_offload.c @@ -66,15 +66,15 @@ static struct sk_buff *tcp6_gso_segment(struct sk_buff *skb, return tcp_gso_segment(skb, features); } -static const struct net_offload tcpv6_offload = { - .callbacks = { - .gso_segment = tcp6_gso_segment, - .gro_receive = tcp6_gro_receive, - .gro_complete = tcp6_gro_complete, - }, -}; int __init tcpv6_offload_init(void) { - return inet6_add_offload(&tcpv6_offload, IPPROTO_TCP); + net_hotdata.tcpv6_offload = (struct net_offload) { + .callbacks = { + .gso_segment = tcp6_gso_segment, + .gro_receive = tcp6_gro_receive, + .gro_complete = tcp6_gro_complete, + }, + }; + return inet6_add_offload(&net_hotdata.tcpv6_offload, IPPROTO_TCP); } |