diff mbox series

[v2,net-next,07/18] net: move tcpv4_offload and tcpv6_offload to net_hotdata

Message ID 20240306160031.874438-8-edumazet@google.com (mailing list archive)
State Accepted
Commit 0139806eebd6bcf6a3df98950cd0691aff216304
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: 971 this patch: 971
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: 989 this patch: 989
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 61 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 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>
---
 include/net/hotdata.h    |  3 +++
 net/ipv4/tcp_offload.c   | 17 ++++++++---------
 net/ipv6/tcpv6_offload.c | 16 ++++++++--------
 3 files changed, 19 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/include/net/hotdata.h b/include/net/hotdata.h
index d8ce20d3215d3cf13a23fa81619a1c52627f2913..d86d02f156fc350d508531d23b4fe06b2a27aca2 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 b955ab3b236d965a38054efa004fe12f03074c70..ebe4722bb0204433936e69724879779141288789 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 bf0c957e4b5eaaabc0ac3a7e55c7de6608cec156..4b07d1e6c952957419924c83c5d3ac0e9d0b2565 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);
 }