diff mbox series

[v2,net-next,13/18] inet: move tcp_protocol and udp_protocol to net_hotdata

Message ID 20240306160031.874438-14-edumazet@google.com (mailing list archive)
State Accepted
Commit 571bf020be9c3b135e8b6dd87421919953268c1f
Delegated to: Netdev Maintainers
Headers show
Series net: group together hot data | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches (and no cover letter)
netdev/tree_selection success Clearly marked for net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 999 this patch: 999
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 957 this patch: 957
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1017 this patch: 1017
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 52 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Eric Dumazet March 6, 2024, 4 p.m. UTC 
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>
---
 include/net/hotdata.h |  2 ++
 net/ipv4/af_inet.c    | 30 +++++++++++++++---------------
 2 files changed, 17 insertions(+), 15 deletions(-)
diff mbox series

Patch

diff --git a/include/net/hotdata.h b/include/net/hotdata.h
index 03d758d25c02864b00e0a557603b64dc9d749b9c..87215f7ac200f2ba34de9b52841bc0c9e4849857 100644
--- a/include/net/hotdata.h
+++ b/include/net/hotdata.h
@@ -11,7 +11,9 @@  struct net_hotdata {
 #if IS_ENABLED(CONFIG_INET)
 	struct packet_offload	ip_packet_offload;
 	struct net_offload	tcpv4_offload;
+	struct net_protocol	tcp_protocol;
 	struct net_offload 	udpv4_offload;
+	struct net_protocol	udp_protocol;
 	struct packet_offload	ipv6_packet_offload;
 	struct net_offload	tcpv6_offload;
 #if IS_ENABLED(CONFIG_IPV6)
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 08dda6955562ea6b89e02b8299b03ab52b342f27..6f1cfd176e7b84f23d8a5e505bf8e13b2b755f06 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1751,19 +1751,6 @@  static const struct net_protocol igmp_protocol = {
 };
 #endif
 
-static const struct net_protocol tcp_protocol = {
-	.handler	=	tcp_v4_rcv,
-	.err_handler	=	tcp_v4_err,
-	.no_policy	=	1,
-	.icmp_strict_tag_validation = 1,
-};
-
-static const struct net_protocol udp_protocol = {
-	.handler =	udp_rcv,
-	.err_handler =	udp_err,
-	.no_policy =	1,
-};
-
 static const struct net_protocol icmp_protocol = {
 	.handler =	icmp_rcv,
 	.err_handler =	icmp_err,
@@ -1992,9 +1979,22 @@  static int __init inet_init(void)
 
 	if (inet_add_protocol(&icmp_protocol, IPPROTO_ICMP) < 0)
 		pr_crit("%s: Cannot add ICMP protocol\n", __func__);
-	if (inet_add_protocol(&udp_protocol, IPPROTO_UDP) < 0)
+
+	net_hotdata.udp_protocol = (struct net_protocol) {
+		.handler =	udp_rcv,
+		.err_handler =	udp_err,
+		.no_policy =	1,
+	};
+	if (inet_add_protocol(&net_hotdata.udp_protocol, IPPROTO_UDP) < 0)
 		pr_crit("%s: Cannot add UDP protocol\n", __func__);
-	if (inet_add_protocol(&tcp_protocol, IPPROTO_TCP) < 0)
+
+	net_hotdata.tcp_protocol = (struct net_protocol) {
+		.handler	=	tcp_v4_rcv,
+		.err_handler	=	tcp_v4_err,
+		.no_policy	=	1,
+		.icmp_strict_tag_validation = 1,
+	};
+	if (inet_add_protocol(&net_hotdata.tcp_protocol, IPPROTO_TCP) < 0)
 		pr_crit("%s: Cannot add TCP protocol\n", __func__);
 #ifdef CONFIG_IP_MULTICAST
 	if (inet_add_protocol(&igmp_protocol, IPPROTO_IGMP) < 0)