team: send only changed options/ports via netlink

This patch changes event message behaviour to send only updated records
instead of whole list. This fixes bug on which userspace receives non-actual
data in case multiple events occur in row.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index 828181fbad5d..58404b0c5010 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -46,6 +46,10 @@ struct team_port {
         u32 speed;
         u8 duplex;
 
+        /* Custom gennetlink interface related flags */
+        bool changed;
+        bool removed;
+
         struct rcu_head rcu;
 };
 
@@ -72,6 +76,10 @@ struct team_option {
         enum team_option_type type;
         int (*getter)(struct team *team, void *arg);
         int (*setter)(struct team *team, void *arg);
+
+        /* Custom gennetlink interface related flags */
+        bool changed;
+        bool removed;
 };
 
 struct team_mode {
@@ -207,6 +215,7 @@ enum {
         TEAM_ATTR_OPTION_CHANGED,       /* flag */
         TEAM_ATTR_OPTION_TYPE,          /* u8 */
         TEAM_ATTR_OPTION_DATA,          /* dynamic */
+        TEAM_ATTR_OPTION_REMOVED,       /* flag */
 
         __TEAM_ATTR_OPTION_MAX,
         TEAM_ATTR_OPTION_MAX = __TEAM_ATTR_OPTION_MAX - 1,
@@ -227,6 +236,7 @@ enum {
         TEAM_ATTR_PORT_LINKUP,          /* flag */
         TEAM_ATTR_PORT_SPEED,           /* u32 */
         TEAM_ATTR_PORT_DUPLEX,          /* u8 */
+        TEAM_ATTR_PORT_REMOVED,         /* flag */
 
         __TEAM_ATTR_PORT_MAX,
         TEAM_ATTR_PORT_MAX = __TEAM_ATTR_PORT_MAX - 1,