From: Geliang Tang <[email protected]>

This patch adds the address flag MPTCP_PM_ADDR_FLAG_SUBFLOW in csf() in
pm_nl_ctl.c when subflow is created by a userspace PM.

Signed-off-by: Geliang Tang <[email protected]>
Reviewed-by: Matthieu Baerts (NGI0) <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Signed-off-by: Matthieu Baerts (NGI0) <[email protected]>
---
 tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c 
b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
index 49369c4a5f26..e97856323ec3 100644
--- a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
+++ b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
@@ -453,6 +453,7 @@ int csf(int fd, int pm_family, int argc, char *argv[])
        char data[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
                  NLMSG_ALIGN(sizeof(struct genlmsghdr)) +
                  1024];
+       u_int32_t flags = MPTCP_PM_ADDR_FLAG_SUBFLOW;
        const char *params[5];
        struct nlmsghdr *nh;
        struct rtattr *addr;
@@ -558,6 +559,13 @@ int csf(int fd, int pm_family, int argc, char *argv[])
                        off += NLMSG_ALIGN(rta->rta_len);
                }
 
+               /* addr flags */
+               rta = (void *)(data + off);
+               rta->rta_type = MPTCP_PM_ADDR_ATTR_FLAGS;
+               rta->rta_len = RTA_LENGTH(4);
+               memcpy(RTA_DATA(rta), &flags, 4);
+               off += NLMSG_ALIGN(rta->rta_len);
+
                addr->rta_len = off - addr_start;
        }
 

-- 
2.43.0


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