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Miller" , Jakub Kicinski Cc: netdev , Eric Dumazet , Eric Dumazet , Soheil Hassas Yeganeh , Neal Cardwell , Arjun Roy Subject: [PATCH net-next 04/20] net: use sk_is_tcp() in more places Date: Mon, 15 Nov 2021 11:02:33 -0800 Message-Id: <20211115190249.3936899-5-eric.dumazet@gmail.com> X-Mailer: git-send-email 2.34.0.rc1.387.gb447b232ab-goog In-Reply-To: <20211115190249.3936899-1-eric.dumazet@gmail.com> References: <20211115190249.3936899-1-eric.dumazet@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eric Dumazet Move sk_is_tcp() to include/net/sock.h and use it where we can. Signed-off-by: Eric Dumazet --- include/linux/skmsg.h | 6 ------ include/net/sock.h | 5 +++++ net/core/skbuff.c | 6 ++---- net/core/sock.c | 6 ++---- 4 files changed, 9 insertions(+), 14 deletions(-) diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 584d94be9c8b06e43dff0eecfcc25a63a17a652d..18a717fe62eb049758bc1502da97365cf7587ffd 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -507,12 +507,6 @@ static inline bool sk_psock_strp_enabled(struct sk_psock *psock) return !!psock->saved_data_ready; } -static inline bool sk_is_tcp(const struct sock *sk) -{ - return sk->sk_type == SOCK_STREAM && - sk->sk_protocol == IPPROTO_TCP; -} - static inline bool sk_is_udp(const struct sock *sk) { return sk->sk_type == SOCK_DGRAM && diff --git a/include/net/sock.h b/include/net/sock.h index b32906e1ab55527b5418f203d3de05853863f166..5bdeffdea5ecdb6069d13906bbf872d4479a1ce7 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2638,6 +2638,11 @@ static inline void skb_setup_tx_timestamp(struct sk_buff *skb, __u16 tsflags) &skb_shinfo(skb)->tskey); } +static inline bool sk_is_tcp(const struct sock *sk) +{ + return sk->sk_type == SOCK_STREAM && sk->sk_protocol == IPPROTO_TCP; +} + /** * sk_eat_skb - Release a skb if it is no longer needed * @sk: socket to eat this skb from diff --git a/net/core/skbuff.c b/net/core/skbuff.c index ba2f38246f07e5ba5a4f97922b4be33bdb8ad6d6..d57796f38a0b4b0b78c513e6733580f9d4b56dc8 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -4849,8 +4849,7 @@ static void __skb_complete_tx_timestamp(struct sk_buff *skb, serr->header.h4.iif = skb->dev ? skb->dev->ifindex : 0; if (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) { serr->ee.ee_data = skb_shinfo(skb)->tskey; - if (sk->sk_protocol == IPPROTO_TCP && - sk->sk_type == SOCK_STREAM) + if (sk_is_tcp(sk)) serr->ee.ee_data -= sk->sk_tskey; } @@ -4919,8 +4918,7 @@ void __skb_tstamp_tx(struct sk_buff *orig_skb, if (tsonly) { #ifdef CONFIG_INET if ((sk->sk_tsflags & SOF_TIMESTAMPING_OPT_STATS) && - sk->sk_protocol == IPPROTO_TCP && - sk->sk_type == SOCK_STREAM) { + sk_is_tcp(sk)) { skb = tcp_get_timestamping_opt_stats(sk, orig_skb, ack_skb); opt_stats = true; diff --git a/net/core/sock.c b/net/core/sock.c index 8f2b2f2c0e7b1decdb4a5c8d86327ed7caa62c99..0be8e43f44b9e68678f4e20c3a86324ba1bfe03e 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -872,8 +872,7 @@ int sock_set_timestamping(struct sock *sk, int optname, if (val & SOF_TIMESTAMPING_OPT_ID && !(sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)) { - if (sk->sk_protocol == IPPROTO_TCP && - sk->sk_type == SOCK_STREAM) { + if (sk_is_tcp(sk)) { if ((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) return -EINVAL; @@ -1370,8 +1369,7 @@ int sock_setsockopt(struct socket *sock, int level, int optname, case SO_ZEROCOPY: if (sk->sk_family == PF_INET || sk->sk_family == PF_INET6) { - if (!((sk->sk_type == SOCK_STREAM && - sk->sk_protocol == IPPROTO_TCP) || + if (!(sk_is_tcp(sk) || (sk->sk_type == SOCK_DGRAM && sk->sk_protocol == IPPROTO_UDP))) ret = -ENOTSUPP; -- 2.34.0.rc1.387.gb447b232ab-goog