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Date: Tue, 3 Aug 2021 16:25:53 +0800
From: Yajun Deng <yajun.deng@...ux.dev>
To: davem@...emloft.net, kuba@...nel.org,
mathew.j.martineau@...ux.intel.com, matthieu.baerts@...sares.net,
trond.myklebust@...merspace.com, anna.schumaker@...app.com
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
bpf@...r.kernel.org, mptcp@...ts.linux.dev,
linux-rdma@...r.kernel.org, rds-devel@....oracle.com,
linux-s390@...r.kernel.org, linux-nfs@...r.kernel.org,
Yajun Deng <yajun.deng@...ux.dev>
Subject: [PATCH net-next] net: Modify sock_set_keepalive() for more scenarios
Add 2nd parameter in sock_set_keepalive(), let the caller decide
whether to set. This can be applied to more scenarios.
Signed-off-by: Yajun Deng <yajun.deng@...ux.dev>
---
include/net/sock.h | 2 +-
net/core/filter.c | 4 +---
net/core/sock.c | 10 ++++------
net/mptcp/sockopt.c | 4 +---
net/rds/tcp_listen.c | 2 +-
net/smc/af_smc.c | 2 +-
net/sunrpc/xprtsock.c | 2 +-
7 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/include/net/sock.h b/include/net/sock.h
index ff1be7e7e90b..0aae26159549 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2772,7 +2772,7 @@ int sock_set_timestamping(struct sock *sk, int optname,
void sock_enable_timestamps(struct sock *sk);
void sock_no_linger(struct sock *sk);
-void sock_set_keepalive(struct sock *sk);
+void sock_set_keepalive(struct sock *sk, bool valbool);
void sock_set_priority(struct sock *sk, u32 priority);
void sock_set_rcvbuf(struct sock *sk, int val);
void sock_set_mark(struct sock *sk, u32 val);
diff --git a/net/core/filter.c b/net/core/filter.c
index faf29fd82276..41b2bf140b89 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -4769,9 +4769,7 @@ static int _bpf_setsockopt(struct sock *sk, int level, int optname,
ret = sock_bindtoindex(sk, ifindex, false);
break;
case SO_KEEPALIVE:
- if (sk->sk_prot->keepalive)
- sk->sk_prot->keepalive(sk, valbool);
- sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);
+ sock_set_keepalive(sk, !!valbool);
break;
case SO_REUSEPORT:
sk->sk_reuseport = valbool;
diff --git a/net/core/sock.c b/net/core/sock.c
index 9671c32e6ef5..7041e6355ae1 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -892,12 +892,12 @@ int sock_set_timestamping(struct sock *sk, int optname,
return 0;
}
-void sock_set_keepalive(struct sock *sk)
+void sock_set_keepalive(struct sock *sk, bool valbool)
{
lock_sock(sk);
if (sk->sk_prot->keepalive)
- sk->sk_prot->keepalive(sk, true);
- sock_valbool_flag(sk, SOCK_KEEPOPEN, true);
+ sk->sk_prot->keepalive(sk, valbool);
+ sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);
release_sock(sk);
}
EXPORT_SYMBOL(sock_set_keepalive);
@@ -1060,9 +1060,7 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
break;
case SO_KEEPALIVE:
- if (sk->sk_prot->keepalive)
- sk->sk_prot->keepalive(sk, valbool);
- sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);
+ sock_set_keepalive(sk, !!valbool);
break;
case SO_OOBINLINE:
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c
index 8c03afac5ca0..879b8381055c 100644
--- a/net/mptcp/sockopt.c
+++ b/net/mptcp/sockopt.c
@@ -81,9 +81,7 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in
sock_valbool_flag(ssk, SOCK_DBG, !!val);
break;
case SO_KEEPALIVE:
- if (ssk->sk_prot->keepalive)
- ssk->sk_prot->keepalive(ssk, !!val);
- sock_valbool_flag(ssk, SOCK_KEEPOPEN, !!val);
+ sock_set_keepalive(ssk, !!val);
break;
case SO_PRIORITY:
ssk->sk_priority = val;
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 09cadd556d1e..b69ebb3f424a 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -44,7 +44,7 @@ void rds_tcp_keepalive(struct socket *sock)
int keepidle = 5; /* send a probe 'keepidle' secs after last data */
int keepcnt = 5; /* number of unack'ed probes before declaring dead */
- sock_set_keepalive(sock->sk);
+ sock_set_keepalive(sock->sk, true);
tcp_sock_set_keepcnt(sock->sk, keepcnt);
tcp_sock_set_keepidle(sock->sk, keepidle);
/* KEEPINTVL is the interval between successive probes. We follow
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 898389611ae8..ad8f4302037f 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -68,7 +68,7 @@ static void smc_set_keepalive(struct sock *sk, int val)
{
struct smc_sock *smc = smc_sk(sk);
- smc->clcsock->sk->sk_prot->keepalive(smc->clcsock->sk, val);
+ sock_set_keepalive(smc->clcsock->sk, !!val);
}
static struct smc_hashinfo smc_v4_hashinfo = {
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index e573dcecdd66..306a332f8d28 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2127,7 +2127,7 @@ static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
spin_unlock(&xprt->transport_lock);
/* TCP Keepalive options */
- sock_set_keepalive(sock->sk);
+ sock_set_keepalive(sock->sk, true);
tcp_sock_set_keepidle(sock->sk, keepidle);
tcp_sock_set_keepintvl(sock->sk, keepidle);
tcp_sock_set_keepcnt(sock->sk, keepcnt);
--
2.32.0
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