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authorEric Dumazet <edumazet@google.com>2024-03-06 16:00:25 +0000
committerJakub Kicinski <kuba@kernel.org>2024-03-07 21:12:43 -0800
commit4ea0875b9d897e3c64cdb486788509f1f062285b (patch)
treecbbc98c5381f58c927b6e43cd8a70eb15024d91b /net/ipv6
parent6a55ca6b0122d4678e3ab54a8553361aae5082f1 (diff)
downloadlinux-4ea0875b9d897e3c64cdb486788509f1f062285b.tar.gz
ipv6: move tcpv6_protocol and udpv6_protocol to net_hotdata
These structures are read in rx path, move them to net_hotdata for better cache locality. 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/20240306160031.874438-13-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/tcp_ipv6.c17
-rw-r--r--net/ipv6/udp.c16
2 files changed, 17 insertions, 16 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f677f0fa51968..3f4cba49e9ee6 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -58,6 +58,7 @@
#include <net/timewait_sock.h>
#include <net/inet_common.h>
#include <net/secure_seq.h>
+#include <net/hotdata.h>
#include <net/busy_poll.h>
#include <linux/proc_fs.h>
@@ -2367,11 +2368,6 @@ struct proto tcpv6_prot = {
};
EXPORT_SYMBOL_GPL(tcpv6_prot);
-static const struct inet6_protocol tcpv6_protocol = {
- .handler = tcp_v6_rcv,
- .err_handler = tcp_v6_err,
- .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
-};
static struct inet_protosw tcpv6_protosw = {
.type = SOCK_STREAM,
@@ -2408,7 +2404,12 @@ int __init tcpv6_init(void)
{
int ret;
- ret = inet6_add_protocol(&tcpv6_protocol, IPPROTO_TCP);
+ net_hotdata.tcpv6_protocol = (struct inet6_protocol) {
+ .handler = tcp_v6_rcv,
+ .err_handler = tcp_v6_err,
+ .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL,
+ };
+ ret = inet6_add_protocol(&net_hotdata.tcpv6_protocol, IPPROTO_TCP);
if (ret)
goto out;
@@ -2433,7 +2434,7 @@ out_tcpv6_pernet_subsys:
out_tcpv6_protosw:
inet6_unregister_protosw(&tcpv6_protosw);
out_tcpv6_protocol:
- inet6_del_protocol(&tcpv6_protocol, IPPROTO_TCP);
+ inet6_del_protocol(&net_hotdata.tcpv6_protocol, IPPROTO_TCP);
goto out;
}
@@ -2441,5 +2442,5 @@ void tcpv6_exit(void)
{
unregister_pernet_subsys(&tcpv6_net_ops);
inet6_unregister_protosw(&tcpv6_protosw);
- inet6_del_protocol(&tcpv6_protocol, IPPROTO_TCP);
+ inet6_del_protocol(&net_hotdata.tcpv6_protocol, IPPROTO_TCP);
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3f2249b4cd5f6..97d86909aabb6 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1702,11 +1702,6 @@ int udpv6_getsockopt(struct sock *sk, int level, int optname,
return ipv6_getsockopt(sk, level, optname, optval, optlen);
}
-static const struct inet6_protocol udpv6_protocol = {
- .handler = udpv6_rcv,
- .err_handler = udpv6_err,
- .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
-};
/* ------------------------------------------------------------------------ */
#ifdef CONFIG_PROC_FS
@@ -1803,7 +1798,12 @@ int __init udpv6_init(void)
{
int ret;
- ret = inet6_add_protocol(&udpv6_protocol, IPPROTO_UDP);
+ net_hotdata.udpv6_protocol = (struct inet6_protocol) {
+ .handler = udpv6_rcv,
+ .err_handler = udpv6_err,
+ .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL,
+ };
+ ret = inet6_add_protocol(&net_hotdata.udpv6_protocol, IPPROTO_UDP);
if (ret)
goto out;
@@ -1814,12 +1814,12 @@ out:
return ret;
out_udpv6_protocol:
- inet6_del_protocol(&udpv6_protocol, IPPROTO_UDP);
+ inet6_del_protocol(&net_hotdata.udpv6_protocol, IPPROTO_UDP);
goto out;
}
void udpv6_exit(void)
{
inet6_unregister_protosw(&udpv6_protosw);
- inet6_del_protocol(&udpv6_protocol, IPPROTO_UDP);
+ inet6_del_protocol(&net_hotdata.udpv6_protocol, IPPROTO_UDP);
}