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authorJiri Pirko <jpirko@redhat.com>2012-06-26 10:52:46 +0400
committerDavid S. Miller <davem@davemloft.net>2012-06-27 08:09:39 +0400
commit52a4fd77808662a16cd17ad3b0e1ad75e0162d8b (patch)
treecc0303069053fe0f15f4b0e0e6c652216895eb66
parent122bb046bcfb8f3d2d94d9f7f6b74da187a740f2 (diff)
downloadlinux-52a4fd77808662a16cd17ad3b0e1ad75e0162d8b.tar.xz
team: do not allow to map disabled ports
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/team/team.c5
-rw-r--r--drivers/net/team/team_mode_loadbalance.c3
-rw-r--r--include/linux/if_team.h2
3 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 6b4cf6eca238..5350eeaa22ce 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -614,8 +614,6 @@ static int team_change_mode(struct team *team, const char *kind)
* Rx path frame handler
************************/
-static bool team_port_enabled(struct team_port *port);
-
/* note: already called with rcu_read_lock */
static rx_handler_result_t team_handle_frame(struct sk_buff **pskb)
{
@@ -673,10 +671,11 @@ static bool team_port_find(const struct team *team,
return false;
}
-static bool team_port_enabled(struct team_port *port)
+bool team_port_enabled(struct team_port *port)
{
return port->index != -1;
}
+EXPORT_SYMBOL(team_port_enabled);
/*
* Enable/disable port by adding to enabled port hashlist and setting
diff --git a/drivers/net/team/team_mode_loadbalance.c b/drivers/net/team/team_mode_loadbalance.c
index c92fa02d6a63..51a4b199c75c 100644
--- a/drivers/net/team/team_mode_loadbalance.c
+++ b/drivers/net/team/team_mode_loadbalance.c
@@ -359,7 +359,8 @@ static int lb_tx_hash_to_port_mapping_set(struct team *team,
unsigned char hash = ctx->info->array_index;
list_for_each_entry(port, &team->port_list, list) {
- if (ctx->data.u32_val == port->dev->ifindex) {
+ if (ctx->data.u32_val == port->dev->ifindex &&
+ team_port_enabled(port)) {
rcu_assign_pointer(LB_HTPM_PORT_BY_HASH(lb_priv, hash),
port);
return 0;
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index c1938869191f..e636a54e7a71 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -64,6 +64,8 @@ struct team_port {
long mode_priv[0];
};
+extern bool team_port_enabled(struct team_port *port);
+
struct team_mode_ops {
int (*init)(struct team *team);
void (*exit)(struct team *team);