net: bridge: Add port attribute IFLA_BRPORT_MRP_IN_OPEN

This patch adds a new port attribute, IFLA_BRPORT_MRP_IN_OPEN, which
allows to notify the userspace when the node lost the contiuity of
MRP_InTest frames.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index cc185a0..26842ff 100644 (file)
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -344,6 +344,7 @@ enum {
        IFLA_BRPORT_ISOLATED,
        IFLA_BRPORT_BACKUP_PORT,
        IFLA_BRPORT_MRP_RING_OPEN,
+       IFLA_BRPORT_MRP_IN_OPEN,
        __IFLA_BRPORT_MAX
 };
 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)

diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index c532fa6..147d525 100644 (file)
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -152,6 +152,7 @@ static inline size_t br_port_info_size(void)
 #endif
                + nla_total_size(sizeof(u16))   /* IFLA_BRPORT_GROUP_FWD_MASK */
                + nla_total_size(sizeof(u8))    /* IFLA_BRPORT_MRP_RING_OPEN */
+               + nla_total_size(sizeof(u8))    /* IFLA_BRPORT_MRP_IN_OPEN */
                + 0;
 }
 
@@ -216,6 +217,8 @@ static int br_port_fill_attrs(struct sk_buff *skb,
                       !!(p->flags & BR_NEIGH_SUPPRESS)) ||
            nla_put_u8(skb, IFLA_BRPORT_MRP_RING_OPEN, !!(p->flags &
                                                          BR_MRP_LOST_CONT)) ||
+           nla_put_u8(skb, IFLA_BRPORT_MRP_IN_OPEN,
+                      !!(p->flags & BR_MRP_LOST_IN_CONT)) ||
            nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED)))
                return -EMSGSIZE;
 

diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h
index cafedbb..781e482 100644 (file)
--- a/tools/include/uapi/linux/if_link.h
+++ b/tools/include/uapi/linux/if_link.h
@@ -344,6 +344,7 @@ enum {
        IFLA_BRPORT_ISOLATED,
        IFLA_BRPORT_BACKUP_PORT,
        IFLA_BRPORT_MRP_RING_OPEN,
+       IFLA_BRPORT_MRP_IN_OPEN,
        __IFLA_BRPORT_MAX
 };
 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)