[PATCH net-next v3 12/12] net: bridge: Add port attribute IFLA_BRPORT_MRP_IN_OPEN

[Horatiu Vultur]

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.vul...@microchip.com>
---
 include/uapi/linux/if_link.h       | 1 +
 net/bridge/br_netlink.c            | 3 +++
 tools/include/uapi/linux/if_link.h | 1 +
 3 files changed, 5 insertions(+)

diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index cc185a007ade8..26842ffd0501d 100644
--- 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 c532fa65c9834..147d52596e174 100644
--- 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 cafedbbfefbe9..781e482dc499f 100644
--- 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)
-- 
2.27.0