diff options
| author | Eric Dumazet <edumazet@google.com> | 2020-06-19 22:12:35 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-06-21 03:47:53 +0300 |
| commit | dd2e0b86fc4ee146ac8f3275833d0187efeb950a (patch) | |
| tree | 6c91f581ec5db35d4d77554be9d293b2ae57a776 /include | |
| parent | 05e22e8395058745bd0312bc488b522197852aff (diff) | |
| download | linux-dd2e0b86fc4ee146ac8f3275833d0187efeb950a.tar.xz | |
tcp: remove indirect calls for icsk->icsk_af_ops->send_check
Mitigate RETPOLINE costs in __tcp_transmit_skb()
by using INDIRECT_CALL_INET() wrapper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/ip6_checksum.h | 9 | ||||
| -rw-r--r-- | include/net/tcp.h | 3 |
2 files changed, 3 insertions, 9 deletions
diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h index 27ec612cd4a4..b3f4eaa88672 100644 --- a/include/net/ip6_checksum.h +++ b/include/net/ip6_checksum.h @@ -85,15 +85,6 @@ static inline void tcp_v6_gso_csum_prep(struct sk_buff *skb) th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); } -#if IS_ENABLED(CONFIG_IPV6) -static inline void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb) -{ - struct ipv6_pinfo *np = inet6_sk(sk); - - __tcp_v6_send_check(skb, &np->saddr, &sk->sk_v6_daddr); -} -#endif - static inline __sum16 udp_v6_check(int len, const struct in6_addr *saddr, const struct in6_addr *daddr, diff --git a/include/net/tcp.h b/include/net/tcp.h index e5d7e0b09924..cd9cc348dbf9 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -932,6 +932,9 @@ static inline int tcp_v6_sdif(const struct sk_buff *skb) #endif return 0; } + +INDIRECT_CALLABLE_DECLARE(void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb)); + #endif static inline bool inet_exact_dif_match(struct net *net, struct sk_buff *skb) |