team: add per port priority option

Allow userspace to set port priority.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 70752e6..a30b7c1 100644 (file)
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1092,6 +1092,24 @@ static int team_user_linkup_en_option_set(struct team *team,
        return 0;
 }
 
+static int team_priority_option_get(struct team *team,
+                                   struct team_gsetter_ctx *ctx)
+{
+       struct team_port *port = ctx->info->port;
+
+       ctx->data.s32_val = port->priority;
+       return 0;
+}
+
+static int team_priority_option_set(struct team *team,
+                                   struct team_gsetter_ctx *ctx)
+{
+       struct team_port *port = ctx->info->port;
+
+       port->priority = ctx->data.s32_val;
+       return 0;
+}
+
 static const struct team_option team_options[] = {
        {
                .name = "mode",
@@ -1120,6 +1138,13 @@ static const struct team_option team_options[] = {
                .getter = team_user_linkup_en_option_get,
                .setter = team_user_linkup_en_option_set,
        },
+       {
+               .name = "priority",
+               .type = TEAM_OPTION_TYPE_S32,
+               .per_port = true,
+               .getter = team_priority_option_get,
+               .setter = team_priority_option_set,
+       },
 };
 
 static struct lock_class_key team_netdev_xmit_lock_key;

diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index e5571c4..06495b3 100644 (file)
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -67,6 +67,7 @@ struct team_port {
        struct netpoll *np;
 #endif
 
+       s32 priority; /* lower number ~ higher priority */
        long mode_priv[0];
 };