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authorJakub Kicinski <kuba@kernel.org>2024-01-04 18:04:58 -0800
committerJakub Kicinski <kuba@kernel.org>2024-01-04 18:06:46 -0800
commite63c1822ac32a865dd02a18107fc933fd7b30f6f (patch)
tree3d3875012e8412080a5ecc5f71d8f7e849bd4a95 /include/net/tcp_ao.h
parenta180b0b1a6c484a091f2f20f9c6b9e5e726cbd31 (diff)
parent1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: drivers/net/ethernet/broadcom/bnxt/bnxt.c e009b2efb7a8 ("bnxt_en: Remove mis-applied code from bnxt_cfg_ntp_filters()") 0f2b21477988 ("bnxt_en: Fix compile error without CONFIG_RFS_ACCEL") https://lore.kernel.org/all/20240105115509.225aa8a2@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/tcp_ao.h')
-rw-r--r--include/net/tcp_ao.h26
1 files changed, 23 insertions, 3 deletions
diff --git a/include/net/tcp_ao.h b/include/net/tcp_ao.h
index 0f2dcc9e8d46..471e177362b4 100644
--- a/include/net/tcp_ao.h
+++ b/include/net/tcp_ao.h
@@ -127,12 +127,35 @@ struct tcp_ao_info {
struct rcu_head rcu;
};
+#ifdef CONFIG_TCP_MD5SIG
+#include <linux/jump_label.h>
+extern struct static_key_false_deferred tcp_md5_needed;
+#define static_branch_tcp_md5() static_branch_unlikely(&tcp_md5_needed.key)
+#else
+#define static_branch_tcp_md5() false
+#endif
+#ifdef CONFIG_TCP_AO
+/* TCP-AO structures and functions */
+#include <linux/jump_label.h>
+extern struct static_key_false_deferred tcp_ao_needed;
+#define static_branch_tcp_ao() static_branch_unlikely(&tcp_ao_needed.key)
+#else
+#define static_branch_tcp_ao() false
+#endif
+
+static inline bool tcp_hash_should_produce_warnings(void)
+{
+ return static_branch_tcp_md5() || static_branch_tcp_ao();
+}
+
#define tcp_hash_fail(msg, family, skb, fmt, ...) \
do { \
const struct tcphdr *th = tcp_hdr(skb); \
char hdr_flags[6]; \
char *f = hdr_flags; \
\
+ if (!tcp_hash_should_produce_warnings()) \
+ break; \
if (th->fin) \
*f++ = 'F'; \
if (th->syn) \
@@ -159,9 +182,6 @@ do { \
#ifdef CONFIG_TCP_AO
/* TCP-AO structures and functions */
-#include <linux/jump_label.h>
-extern struct static_key_false_deferred tcp_ao_needed;
-
struct tcp4_ao_context {
__be32 saddr;
__be32 daddr;