mptcp: allow creating non-backup subflows (4596a2c1) · Commits · 戴 / test

Currently the 'backup' attribute of local endpoint is ignored. Let's use it for the MP_JOIN handshake Signed-off-by:

net/mptcp/subflow.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@
		#include <net/ip6_route.h>
		#endif
		#include <net/mptcp.h>
		#include <uapi/linux/mptcp.h>
		#include "protocol.h"
		#include "mib.h"

		@@ -1090,7 +1091,7 @@ int __mptcp_subflow_connect(struct sock sk, const struct mptcp_addr_info loc,
		subflow->remote_token = remote_token;
		subflow->local_id = local_id;
		subflow->request_join = 1;
		subflow->request_bkup = 1;
		subflow->request_bkup = !!(loc->flags & MPTCP_PM_ADDR_FLAG_BACKUP);
		mptcp_info2sockaddr(remote, &addr);

		err = kernel_connect(sf, (struct sockaddr *)&addr, addrlen, O_NONBLOCK);