pr_debug("msk=%p", msk);
+ if (level == SOL_SOCKET)
+ return sock_setsockopt(sk->sk_socket, level, optname, optval, optlen);
+
/* @@ the meaning of setsockopt() when the socket is connected and
* there are multiple subflows is not yet defined. It is up to the
* MPTCP-level socket to configure the subflows until the subflow
return __sys_recvfrom(fd, ubuf, size, flags, NULL, NULL);
}
+static bool sock_use_custom_sol_socket(const struct socket *sock)
+{
+ const struct sock *sk = sock->sk;
+
+ /* Use sock->ops->setsockopt() for MPTCP */
+ return IS_ENABLED(CONFIG_MPTCP) &&
+ sk->sk_protocol == IPPROTO_MPTCP &&
+ sk->sk_type == SOCK_STREAM &&
+ (sk->sk_family == AF_INET || sk->sk_family == AF_INET6);
+}
+
/*
* Set a socket option. Because we don't know the option lengths we have
* to pass the user mode parameter for the protocols to sort out.
optval = (char __user __force *)kernel_optval;
}
- if (level == SOL_SOCKET)
+ if (level == SOL_SOCKET && !sock_use_custom_sol_socket(sock))
err =
sock_setsockopt(sock, level, optname, optval,
optlen);