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path: root/net/mptcp/sockopt.c
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Diffstat (limited to 'net/mptcp/sockopt.c')
-rw-r--r--net/mptcp/sockopt.c79
1 files changed, 39 insertions, 40 deletions
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c
index 63f7a09335c5..8260202c0066 100644
--- a/net/mptcp/sockopt.c
+++ b/net/mptcp/sockopt.c
@@ -103,7 +103,7 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in
break;
case SO_MARK:
if (READ_ONCE(ssk->sk_mark) != sk->sk_mark) {
- ssk->sk_mark = sk->sk_mark;
+ WRITE_ONCE(ssk->sk_mark, sk->sk_mark);
sk_dst_reset(ssk);
}
break;
@@ -292,7 +292,7 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname,
sockptr_t optval, unsigned int optlen)
{
struct sock *sk = (struct sock *)msk;
- struct socket *ssock;
+ struct sock *ssk;
int ret;
switch (optname) {
@@ -301,22 +301,22 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname,
case SO_BINDTODEVICE:
case SO_BINDTOIFINDEX:
lock_sock(sk);
- ssock = __mptcp_nmpc_socket(msk);
- if (IS_ERR(ssock)) {
+ ssk = __mptcp_nmpc_sk(msk);
+ if (IS_ERR(ssk)) {
release_sock(sk);
- return PTR_ERR(ssock);
+ return PTR_ERR(ssk);
}
- ret = sock_setsockopt(ssock, SOL_SOCKET, optname, optval, optlen);
+ ret = sk_setsockopt(ssk, SOL_SOCKET, optname, optval, optlen);
if (ret == 0) {
if (optname == SO_REUSEPORT)
- sk->sk_reuseport = ssock->sk->sk_reuseport;
+ sk->sk_reuseport = ssk->sk_reuseport;
else if (optname == SO_REUSEADDR)
- sk->sk_reuse = ssock->sk->sk_reuse;
+ sk->sk_reuse = ssk->sk_reuse;
else if (optname == SO_BINDTODEVICE)
- sk->sk_bound_dev_if = ssock->sk->sk_bound_dev_if;
+ sk->sk_bound_dev_if = ssk->sk_bound_dev_if;
else if (optname == SO_BINDTOIFINDEX)
- sk->sk_bound_dev_if = ssock->sk->sk_bound_dev_if;
+ sk->sk_bound_dev_if = ssk->sk_bound_dev_if;
}
release_sock(sk);
return ret;
@@ -390,20 +390,20 @@ static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname,
{
struct sock *sk = (struct sock *)msk;
int ret = -EOPNOTSUPP;
- struct socket *ssock;
+ struct sock *ssk;
switch (optname) {
case IPV6_V6ONLY:
case IPV6_TRANSPARENT:
case IPV6_FREEBIND:
lock_sock(sk);
- ssock = __mptcp_nmpc_socket(msk);
- if (IS_ERR(ssock)) {
+ ssk = __mptcp_nmpc_sk(msk);
+ if (IS_ERR(ssk)) {
release_sock(sk);
- return PTR_ERR(ssock);
+ return PTR_ERR(ssk);
}
- ret = tcp_setsockopt(ssock->sk, SOL_IPV6, optname, optval, optlen);
+ ret = tcp_setsockopt(ssk, SOL_IPV6, optname, optval, optlen);
if (ret != 0) {
release_sock(sk);
return ret;
@@ -413,13 +413,15 @@ static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname,
switch (optname) {
case IPV6_V6ONLY:
- sk->sk_ipv6only = ssock->sk->sk_ipv6only;
+ sk->sk_ipv6only = ssk->sk_ipv6only;
break;
case IPV6_TRANSPARENT:
- inet_sk(sk)->transparent = inet_sk(ssock->sk)->transparent;
+ inet_assign_bit(TRANSPARENT, sk,
+ inet_test_bit(TRANSPARENT, ssk));
break;
case IPV6_FREEBIND:
- inet_sk(sk)->freebind = inet_sk(ssock->sk)->freebind;
+ inet_assign_bit(FREEBIND, sk,
+ inet_test_bit(FREEBIND, ssk));
break;
}
@@ -684,8 +686,7 @@ static int mptcp_setsockopt_sol_ip_set_transparent(struct mptcp_sock *msk, int o
sockptr_t optval, unsigned int optlen)
{
struct sock *sk = (struct sock *)msk;
- struct inet_sock *issk;
- struct socket *ssock;
+ struct sock *ssk;
int err;
err = ip_setsockopt(sk, SOL_IP, optname, optval, optlen);
@@ -694,20 +695,19 @@ static int mptcp_setsockopt_sol_ip_set_transparent(struct mptcp_sock *msk, int o
lock_sock(sk);
- ssock = __mptcp_nmpc_socket(msk);
- if (IS_ERR(ssock)) {
+ ssk = __mptcp_nmpc_sk(msk);
+ if (IS_ERR(ssk)) {
release_sock(sk);
- return PTR_ERR(ssock);
+ return PTR_ERR(ssk);
}
- issk = inet_sk(ssock->sk);
-
switch (optname) {
case IP_FREEBIND:
- issk->freebind = inet_sk(sk)->freebind;
+ inet_assign_bit(FREEBIND, ssk, inet_test_bit(FREEBIND, sk));
break;
case IP_TRANSPARENT:
- issk->transparent = inet_sk(sk)->transparent;
+ inet_assign_bit(TRANSPARENT, ssk,
+ inet_test_bit(TRANSPARENT, sk));
break;
default:
release_sock(sk);
@@ -763,18 +763,18 @@ static int mptcp_setsockopt_first_sf_only(struct mptcp_sock *msk, int level, int
sockptr_t optval, unsigned int optlen)
{
struct sock *sk = (struct sock *)msk;
- struct socket *sock;
+ struct sock *ssk;
int ret;
/* Limit to first subflow, before the connection establishment */
lock_sock(sk);
- sock = __mptcp_nmpc_socket(msk);
- if (IS_ERR(sock)) {
- ret = PTR_ERR(sock);
+ ssk = __mptcp_nmpc_sk(msk);
+ if (IS_ERR(ssk)) {
+ ret = PTR_ERR(ssk);
goto unlock;
}
- ret = tcp_setsockopt(sock->sk, level, optname, optval, optlen);
+ ret = tcp_setsockopt(ssk, level, optname, optval, optlen);
unlock:
release_sock(sk);
@@ -864,9 +864,8 @@ static int mptcp_getsockopt_first_sf_only(struct mptcp_sock *msk, int level, int
char __user *optval, int __user *optlen)
{
struct sock *sk = (struct sock *)msk;
- struct socket *ssock;
- int ret;
struct sock *ssk;
+ int ret;
lock_sock(sk);
ssk = msk->first;
@@ -875,13 +874,13 @@ static int mptcp_getsockopt_first_sf_only(struct mptcp_sock *msk, int level, int
goto out;
}
- ssock = __mptcp_nmpc_socket(msk);
- if (IS_ERR(ssock)) {
- ret = PTR_ERR(ssock);
+ ssk = __mptcp_nmpc_sk(msk);
+ if (IS_ERR(ssk)) {
+ ret = PTR_ERR(ssk);
goto out;
}
- ret = tcp_getsockopt(ssock->sk, level, optname, optval, optlen);
+ ret = tcp_getsockopt(ssk, level, optname, optval, optlen);
out:
release_sock(sk);
@@ -1441,8 +1440,8 @@ static void sync_socket_options(struct mptcp_sock *msk, struct sock *ssk)
__tcp_sock_set_cork(ssk, !!msk->cork);
__tcp_sock_set_nodelay(ssk, !!msk->nodelay);
- inet_sk(ssk)->transparent = inet_sk(sk)->transparent;
- inet_sk(ssk)->freebind = inet_sk(sk)->freebind;
+ inet_assign_bit(TRANSPARENT, ssk, inet_test_bit(TRANSPARENT, sk));
+ inet_assign_bit(FREEBIND, ssk, inet_test_bit(FREEBIND, sk));
}
static void __mptcp_sockopt_sync(struct mptcp_sock *msk, struct sock *ssk)
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-29 14:13:33 +0300