From: Christoph Hellwig <hch@lst.de>
To: "David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
Jakub Kicinski <kuba-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Eric Dumazet <edumazet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Alexey Kuznetsov <kuznet-v/Mj1YrvjDBInbfyfbPRSQ@public.gmane.org>,
Hideaki YOSHIFUJI
<yoshfuji-VfPWfsRibaP+Ru+s062T9g@public.gmane.org>,
Vlad Yasevich <vyasevich-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Neil Horman <nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
Marcelo Ricardo Leitner
<marcelo.leitner-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Jon Maloy <jmaloy-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Ying Xue <ying.xue-CWA4WttNNZF54TAoqtyWWQ@public.gmane.org>,
drbd-dev-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
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netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sctp-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ceph-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
rds-devel-N0ozoZBvEnrZJqsBc5GL+g@public.gmane.org,
linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 09/33] net: add sock_set_keepalive
Date: Wed, 20 May 2020 19:54:45 +0000 [thread overview]
Message-ID: <20200520195509.2215098-10-hch@lst.de> (raw)
In-Reply-To: <20200520195509.2215098-1-hch-jcswGhMUV9g@public.gmane.org>
Add a helper to directly set the SO_KEEPALIVE sockopt from kernel space
without going through a fake uaccess.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/dlm/lowcomms.c | 6 +-----
include/net/sock.h | 1 +
net/core/sock.c | 10 ++++++++++
net/rds/tcp_listen.c | 6 +-----
net/sunrpc/xprtsock.c | 4 +---
5 files changed, 14 insertions(+), 13 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index b79711d0aac72..b6e6dba281547 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1142,11 +1142,7 @@ static struct socket *tcp_create_listen_sock(struct connection *con,
con->sock = NULL;
goto create_out;
}
- result = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
- (char *)&one, sizeof(one));
- if (result < 0) {
- log_print("Set keepalive failed: %d", result);
- }
+ sock_set_keepalive(sock->sk);
result = sock->ops->listen(sock, 5);
if (result < 0) {
diff --git a/include/net/sock.h b/include/net/sock.h
index 99ef43508d2b5..dc08c176238fd 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2691,6 +2691,7 @@ void sock_def_readable(struct sock *sk);
int sock_bindtoindex(struct sock *sk, int ifindex);
void sock_enable_timestamps(struct sock *sk);
void sock_no_linger(struct sock *sk);
+void sock_set_keepalive(struct sock *sk);
void sock_set_priority(struct sock *sk, u32 priority);
void sock_set_reuseaddr(struct sock *sk);
void sock_set_sndtimeo(struct sock *sk, s64 secs);
diff --git a/net/core/sock.c b/net/core/sock.c
index e4a4dd2b3d8b3..728f5fb156a0c 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -779,6 +779,16 @@ void sock_enable_timestamps(struct sock *sk)
}
EXPORT_SYMBOL(sock_enable_timestamps);
+void sock_set_keepalive(struct sock *sk)
+{
+ lock_sock(sk);
+ if (sk->sk_prot->keepalive)
+ sk->sk_prot->keepalive(sk, true);
+ sock_valbool_flag(sk, SOCK_KEEPOPEN, true);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_keepalive);
+
/*
* This is meant for all protocols to use and covers goings on
* at the socket level. Everything here is generic.
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index bbb31b9c0b391..d8bd132769594 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -43,13 +43,9 @@ int rds_tcp_keepalive(struct socket *sock)
/* values below based on xs_udp_default_timeout */
int keepidle = 5; /* send a probe 'keepidle' secs after last data */
int keepcnt = 5; /* number of unack'ed probes before declaring dead */
- int keepalive = 1;
int ret = 0;
- ret = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
- (char *)&keepalive, sizeof(keepalive));
- if (ret < 0)
- goto bail;
+ sock_set_keepalive(sock->sk);
ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_KEEPCNT,
(char *)&keepcnt, sizeof(keepcnt));
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 845d0be805ece..30082cd039960 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2110,7 +2110,6 @@ static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
unsigned int keepidle;
unsigned int keepcnt;
- unsigned int opt_on = 1;
unsigned int timeo;
spin_lock(&xprt->transport_lock);
@@ -2122,8 +2121,7 @@ static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
spin_unlock(&xprt->transport_lock);
/* TCP Keepalive options */
- kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
- (char *)&opt_on, sizeof(opt_on));
+ sock_set_keepalive(sock->sk);
kernel_setsockopt(sock, SOL_TCP, TCP_KEEPIDLE,
(char *)&keepidle, sizeof(keepidle));
kernel_setsockopt(sock, SOL_TCP, TCP_KEEPINTVL,
--
2.26.2
next prev parent reply other threads:[~2020-05-20 19:54 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-13 6:26 remove kernel_setsockopt and kernel_getsockopt Christoph Hellwig
2020-05-13 6:26 ` [PATCH 01/33] net: add sock_set_reuseaddr Christoph Hellwig
2020-05-13 6:26 ` [PATCH 03/33] net: add sock_set_priority Christoph Hellwig
2020-05-13 6:26 ` [PATCH 04/33] net: add sock_set_sndtimeo Christoph Hellwig
2020-05-13 6:26 ` [PATCH 05/33] net: add sock_bindtoindex Christoph Hellwig
2020-05-13 6:26 ` [PATCH 06/33] net: add sock_set_timestamps Christoph Hellwig
2020-05-13 6:26 ` [PATCH 07/33] net: add sock_set_keepalive Christoph Hellwig
2020-05-13 6:26 ` [PATCH 08/33] net: add sock_set_rcvbuf Christoph Hellwig
2020-05-13 6:26 ` [PATCH 09/33] net: add sock_set_reuseport Christoph Hellwig
2020-05-13 6:26 ` [PATCH 10/33] tcp: add tcp_sock_set_cork Christoph Hellwig
2020-05-13 6:26 ` [PATCH 11/33] tcp: tcp_sock_set_nodelay Christoph Hellwig
2020-05-13 12:51 ` Jason Gunthorpe
2020-05-13 6:26 ` [PATCH 12/33] tcp: add tcp_sock_set_quickack Christoph Hellwig
2020-05-13 6:26 ` [PATCH 13/33] tcp: add tcp_sock_set_syncnt Christoph Hellwig
[not found] ` <20200513062649.2100053-1-hch-jcswGhMUV9g@public.gmane.org>
2020-05-13 6:26 ` [PATCH 02/33] net: add sock_set_linger Christoph Hellwig
2020-05-13 6:26 ` [PATCH 14/33] tcp: add tcp_sock_set_user_timeout Christoph Hellwig
2020-05-13 6:26 ` [PATCH 15/33] tcp: add tcp_sock_set_keepidle Christoph Hellwig
2020-05-13 6:26 ` [PATCH 16/33] tcp: add tcp_sock_set_keepintvl Christoph Hellwig
2020-05-13 6:26 ` [PATCH 17/33] tcp: add tcp_sock_set_keepcnt Christoph Hellwig
2020-05-13 6:26 ` [PATCH 18/33] ipv4: add ip_sock_set_tos Christoph Hellwig
2020-05-13 6:26 ` [PATCH 19/33] ipv4: add ip_sock_set_freebind Christoph Hellwig
2020-05-13 6:26 ` [PATCH 20/33] ipv4: add ip_sock_set_recverr Christoph Hellwig
2020-05-13 21:00 ` Joe Perches
2020-05-14 10:30 ` Christoph Hellwig
2020-05-14 11:51 ` Joe Perches
[not found] ` <9992a1fe768a0b1e9bb9470d2728ba25dbe042db.camel-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
2020-05-20 14:18 ` Christoph Hellwig
2020-05-13 6:26 ` [PATCH 21/33] ipv4: add ip_sock_set_mtu_discover Christoph Hellwig
2020-05-13 6:26 ` [PATCH 22/33] ipv6: add ip6_sock_set_v6only Christoph Hellwig
2020-05-13 6:26 ` [PATCH 23/33] ipv6: add ip6_sock_set_recverr Christoph Hellwig
2020-05-13 6:26 ` [PATCH 24/33] ipv6: add ip6_sock_set_addr_preferences Christoph Hellwig
2020-05-13 6:26 ` [PATCH 25/33] ipv6: add ip6_sock_set_recvpktinfo Christoph Hellwig
2020-05-13 6:26 ` [PATCH 26/33] sctp: lift copying in addrs into sctp_setsockopt Christoph Hellwig
2020-05-13 6:26 ` [PATCH 27/33] sctp: export sctp_setsockopt_bindx Christoph Hellwig
2020-05-13 18:00 ` Marcelo Ricardo Leitner
2020-05-14 6:28 ` Christoph Hellwig
2020-05-14 8:23 ` David Laight
2020-05-14 10:40 ` is it ok to always pull in sctp for dlm, was: " Christoph Hellwig
2020-05-14 14:24 ` is it ok to always pull in sctp for dlm, was: Re: [PATCH 27/33] sctp: export sctp_setsockopt_bin David Teigland
2020-05-15 15:20 ` [PATCH 27/33] sctp: export sctp_setsockopt_bindx David Howells
2020-05-15 15:24 ` Christoph Hellwig
2020-05-16 15:21 ` David Laight
[not found] ` <129070.1589556002-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2020-05-16 15:11 ` David Laight
2020-05-16 15:36 ` [Ocfs2-devel] " Matthew Wilcox
2020-05-17 8:48 ` David Laight
2020-05-13 6:26 ` [PATCH 28/33] sctp: add sctp_sock_set_nodelay Christoph Hellwig
2020-05-13 6:26 ` [PATCH 29/33] rxrpc_sock_set_min_security_level Christoph Hellwig
2020-05-13 6:26 ` [PATCH 30/33] tipc: call tsk_set_importance from tipc_topsrv_create_listener Christoph Hellwig
2020-05-13 6:26 ` [PATCH 31/33] net: remove kernel_setsockopt Christoph Hellwig
2020-05-13 6:26 ` [PATCH 32/33] sctp: add sctp_sock_get_primary_addr Christoph Hellwig
2020-05-13 18:03 ` Marcelo Ricardo Leitner
2020-05-14 9:51 ` David Laight
2020-05-14 12:30 ` David Laight
2020-05-14 13:27 ` David Laight
2020-05-13 6:26 ` [PATCH 33/33] net: remove kernel_getsockopt Christoph Hellwig
[not found] ` <20200513062649.2100053-30-hch-jcswGhMUV9g@public.gmane.org>
2020-05-13 13:13 ` [PATCH 29/33] rxrpc_sock_set_min_security_level David Howells
2020-05-14 10:29 ` Christoph Hellwig
[not found] ` <20200514102919.GA12680-jcswGhMUV9g@public.gmane.org>
2020-05-15 15:13 ` David Howells
2020-05-13 13:17 ` [PATCH 21/33] ipv4: add ip_sock_set_mtu_discover David Howells
[not found] ` <3123898.1589375861-S6HVgzuS8uM4Awkfq6JHfwNdhmdF6hFW@public.gmane.org>
2020-05-14 6:26 ` Christoph Hellwig
2020-05-15 15:15 ` David Howells
2020-05-13 13:24 ` [PATCH 20/33] ipv4: add ip_sock_set_recverr David Howells
[not found] ` <20200513062649.2100053-24-hch-jcswGhMUV9g@public.gmane.org>
2020-05-13 13:25 ` [PATCH 23/33] ipv6: add ip6_sock_set_recverr David Howells
2020-05-13 13:27 ` [PATCH 06/33] net: add sock_set_timestamps David Howells
2020-05-13 17:38 ` remove kernel_setsockopt and kernel_getsockopt Joe Perches
[not found] ` <ecc165c33962d964d518c80de605af632eee0474.camel-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
2020-05-14 6:27 ` Christoph Hellwig
2020-05-14 8:29 ` David Laight
2020-05-14 10:18 ` Christoph Hellwig
[not found] ` <20200514101838.GA12548-jcswGhMUV9g@public.gmane.org>
2020-05-14 10:26 ` David Laight
2020-05-14 10:34 ` 'Christoph Hellwig'
2020-05-14 11:11 ` David Laight
2020-05-14 19:35 ` [Ocfs2-devel] " Matthew Wilcox
[not found] ` <a76440f7305c4653877ff2abff499f4e-1XygrNkDbNvwg4NCKwmqgw@public.gmane.org>
2020-05-14 20:03 ` David Miller
[not found] ` <20200514.130357.1683454520750761365.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2020-05-15 8:14 ` David Laight
[not found] ` <756758e8f0e34e2e97db470609f5fbba-1XygrNkDbNvwg4NCKwmqgw@public.gmane.org>
2020-05-14 19:57 ` David Miller
2020-05-13 18:45 ` Sagi Grimberg
2020-05-13 19:12 ` David Miller
2020-05-20 19:54 ` remove kernel_setsockopt and kernel_getsockopt v2 Christoph Hellwig
2020-05-20 19:54 ` [PATCH 03/33] net: add sock_set_reuseaddr Christoph Hellwig
2020-05-20 19:54 ` [PATCH 10/33] net: add sock_set_rcvbuf Christoph Hellwig
2020-05-20 19:54 ` [PATCH 11/33] net: add sock_set_reuseport Christoph Hellwig
2020-05-20 19:54 ` [PATCH 12/33] tcp: add tcp_sock_set_cork Christoph Hellwig
2020-05-20 19:54 ` [PATCH 13/33] tcp: add tcp_sock_set_nodelay Christoph Hellwig
2020-05-20 19:54 ` [PATCH 14/33] tcp: add tcp_sock_set_quickack Christoph Hellwig
2020-05-20 19:54 ` [PATCH 15/33] tcp: add tcp_sock_set_syncnt Christoph Hellwig
[not found] ` <20200520195509.2215098-1-hch-jcswGhMUV9g@public.gmane.org>
2020-05-20 19:54 ` [PATCH 01/33] dlm: use the tcp version of accept_from_sock for sctp as well Christoph Hellwig
2020-05-20 19:54 ` [PATCH 02/33] net: remove kernel_getsockopt Christoph Hellwig
2020-05-20 19:54 ` [PATCH 04/33] net: add sock_no_linger Christoph Hellwig
2020-05-20 19:54 ` [PATCH 05/33] net: add sock_set_priority Christoph Hellwig
2020-05-20 19:54 ` [PATCH 06/33] net: add sock_set_sndtimeo Christoph Hellwig
2020-05-20 19:54 ` [PATCH 07/33] net: add sock_bindtoindex Christoph Hellwig
2020-05-20 19:54 ` [PATCH 08/33] net: add sock_enable_timestamps Christoph Hellwig
2020-05-20 19:54 ` Christoph Hellwig [this message]
2020-05-20 19:54 ` [PATCH 16/33] tcp: add tcp_sock_set_user_timeout Christoph Hellwig
2020-05-20 19:54 ` [PATCH 18/33] tcp: add tcp_sock_set_keepintvl Christoph Hellwig
2020-05-20 19:55 ` [PATCH 25/33] ipv6: add ip6_sock_set_v6only Christoph Hellwig
2020-05-20 19:55 ` [PATCH 31/33] sctp: add sctp_sock_set_nodelay Christoph Hellwig
[not found] ` <20200520195509.2215098-32-hch-jcswGhMUV9g@public.gmane.org>
2020-05-20 23:10 ` Marcelo Ricardo Leitner
2020-05-20 23:23 ` David Miller
[not found] ` <20200520.162355.2212209708127373208.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2020-05-20 23:39 ` Marcelo Ricardo Leitner
[not found] ` <20200520233913.GV2491-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2020-05-21 8:34 ` Christoph Hellwig
[not found] ` <20200521083442.GA7771-jcswGhMUV9g@public.gmane.org>
2020-05-21 9:06 ` David Laight
[not found] ` <0a6839ab0ba04fcf9b9c92784c9564aa-1XygrNkDbNvwg4NCKwmqgw@public.gmane.org>
2020-05-21 9:08 ` 'Christoph Hellwig'
2020-05-21 13:33 ` Marcelo Ricardo Leitner
[not found] ` <20200521133348.GX2491-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2020-05-21 13:57 ` Christoph Hellwig
2020-05-20 19:54 ` [PATCH 17/33] tcp: add tcp_sock_set_keepidle Christoph Hellwig
2020-05-20 19:54 ` [PATCH 19/33] tcp: add tcp_sock_set_keepcnt Christoph Hellwig
2020-05-20 19:54 ` [PATCH 20/33] ipv4: add ip_sock_set_tos Christoph Hellwig
2020-05-20 19:54 ` [PATCH 21/33] ipv4: add ip_sock_set_freebind Christoph Hellwig
2020-05-20 19:54 ` [PATCH 22/33] ipv4: add ip_sock_set_recverr Christoph Hellwig
2020-05-20 19:54 ` [PATCH 23/33] ipv4: add ip_sock_set_mtu_discover Christoph Hellwig
2020-05-20 19:55 ` [PATCH 24/33] ipv4: add ip_sock_set_pktinfo Christoph Hellwig
2020-05-20 19:55 ` [PATCH 26/33] ipv6: add ip6_sock_set_recverr Christoph Hellwig
2020-05-20 19:55 ` [PATCH 27/33] ipv6: add ip6_sock_set_addr_preferences Christoph Hellwig
2020-05-20 19:55 ` [PATCH 28/33] ipv6: add ip6_sock_set_recvpktinfo Christoph Hellwig
2020-05-20 19:55 ` [PATCH 29/33] rxrpc: add rxrpc_sock_set_min_security_level Christoph Hellwig
2020-05-20 19:55 ` [PATCH 30/33] tipc: call tsk_set_importance from tipc_topsrv_create_listener Christoph Hellwig
2020-05-20 19:55 ` [PATCH 32/33] net: add a new bind_add method Christoph Hellwig
2020-05-20 23:00 ` Marcelo Ricardo Leitner
[not found] ` <20200520230025.GT2491-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2020-05-21 8:42 ` Christoph Hellwig
2020-05-21 13:54 ` Marcelo Ricardo Leitner
2020-05-20 19:55 ` [PATCH 33/33] net: remove kernel_setsockopt Christoph Hellwig
[not found] ` <20200520195509.2215098-30-hch-jcswGhMUV9g@public.gmane.org>
2020-05-21 7:44 ` [PATCH 29/33] rxrpc: add rxrpc_sock_set_min_security_level David Howells
2020-05-21 8:01 ` remove kernel_setsockopt and kernel_getsockopt v2 David Laight
[not found] ` <138a17dfff244c089b95f129e4ea2f66-1XygrNkDbNvwg4NCKwmqgw@public.gmane.org>
2020-05-21 9:11 ` 'Christoph Hellwig'
2020-05-21 10:46 ` David Laight
2020-05-23 7:23 ` Christoph Hellwig
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