diff options
Diffstat (limited to 'net/ieee802154/nl802154.c')
| -rw-r--r-- | net/ieee802154/nl802154.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 46df7dca92d9..d8ef2c8a182f 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -23,6 +23,7 @@ #include <net/sock.h> #include "nl802154.h" +#include "rdev-ops.h" #include "core.h" static int nl802154_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, @@ -550,6 +551,25 @@ static int nl802154_get_interface(struct sk_buff *skb, struct genl_info *info) return genlmsg_reply(msg, info); } +static int nl802154_set_channel(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + u8 channel, page; + + if (!info->attrs[NL802154_ATTR_PAGE] || + !info->attrs[NL802154_ATTR_CHANNEL]) + return -EINVAL; + + page = nla_get_u8(info->attrs[NL802154_ATTR_PAGE]); + channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]); + + /* check 802.15.4 constraints */ + if (page >= WPAN_NUM_PAGES || channel >= WPAN_NUM_CHANNELS) + return -EINVAL; + + return rdev_set_channel(rdev, page, channel); +} + #define NL802154_FLAG_NEED_WPAN_PHY 0x01 #define NL802154_FLAG_NEED_NETDEV 0x02 #define NL802154_FLAG_NEED_RTNL 0x04 @@ -660,6 +680,14 @@ static const struct genl_ops nl802154_ops[] = { .internal_flags = NL802154_FLAG_NEED_WPAN_DEV | NL802154_FLAG_NEED_RTNL, }, + { + .cmd = NL802154_CMD_SET_CHANNEL, + .doit = nl802154_set_channel, + .policy = nl802154_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | + NL802154_FLAG_NEED_RTNL, + }, }; /* initialisation/exit functions */ |