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authorAlexander Aring <alex.aring@gmail.com>2014-12-19 23:45:59 +0100
committerMarcel Holtmann <marcel@holtmann.org>2014-12-20 00:06:55 +0100
commitcd1c56653a65e5559cf48effe8864ff6df4b4430 (patch)
tree9b3181d3a749f3ee3b31c5d0c8ee6f32eca73a56 /net/mac802154/iface.c
parentbd37a78de91e1b67b540b43f10bbb2d552348cbd (diff)
downloadblackbird-op-linux-cd1c56653a65e5559cf48effe8864ff6df4b4430.tar.gz
blackbird-op-linux-cd1c56653a65e5559cf48effe8864ff6df4b4430.zip
ieee802154: iface: move multiple node type check
This patch moves the handling for checking on multiple node type interface to the corresponding concurrent iface check function. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/mac802154/iface.c')
-rw-r--r--net/mac802154/iface.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c
index 61f3ff00a508..6fb6bdf9868c 100644
--- a/net/mac802154/iface.c
+++ b/net/mac802154/iface.c
@@ -137,25 +137,11 @@ static int mac802154_wpan_mac_addr(struct net_device *dev, void *p)
static int mac802154_slave_open(struct net_device *dev)
{
struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
- struct ieee802154_sub_if_data *subif;
struct ieee802154_local *local = sdata->local;
int res = 0;
ASSERT_RTNL();
- if (sdata->vif.type == NL802154_IFTYPE_NODE) {
- mutex_lock(&sdata->local->iflist_mtx);
- list_for_each_entry(subif, &sdata->local->interfaces, list) {
- if (subif != sdata &&
- subif->vif.type == sdata->vif.type &&
- ieee802154_sdata_running(subif)) {
- mutex_unlock(&sdata->local->iflist_mtx);
- return -EBUSY;
- }
- }
- mutex_unlock(&sdata->local->iflist_mtx);
- }
-
set_bit(SDATA_STATE_RUNNING, &sdata->state);
if (!local->open_count) {
@@ -235,6 +221,15 @@ ieee802154_check_concurrent_iface(struct ieee802154_sub_if_data *sdata,
if (nsdata != sdata && ieee802154_sdata_running(nsdata)) {
int ret;
+ /* TODO currently we don't support multiple node types
+ * we need to run skb_clone at rx path. Check if there
+ * exist really an use case if we need to support
+ * multiple node types at the same time.
+ */
+ if (sdata->vif.type == NL802154_IFTYPE_NODE &&
+ nsdata->vif.type == NL802154_IFTYPE_NODE)
+ return -EBUSY;
+
/* check all phy mac sublayer settings are the same.
* We have only one phy, different values makes trouble.
*/
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