diff options
Diffstat (limited to 'net/ieee802154')
| -rw-r--r-- | net/ieee802154/netlink.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 3fe02b394ad6..cd0567f06716 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -31,6 +31,7 @@ #include <linux/nl802154.h> #include <net/af_ieee802154.h> #include <net/nl802154.h> +#include <net/ieee802154.h> #include <net/ieee802154_netdev.h> static unsigned int ieee802154_seq_num; @@ -262,6 +263,31 @@ nla_put_failure: } EXPORT_SYMBOL(ieee802154_nl_scan_confirm); +int ieee802154_nl_start_confirm(struct net_device *dev, u8 status) +{ + struct sk_buff *msg; + + pr_debug("%s\n", __func__); + + msg = ieee802154_nl_create(0, IEEE802154_START_CONF); + if (!msg) + return -ENOBUFS; + + NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name); + NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex); + NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN, + dev->dev_addr); + + NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status); + + return ieee802154_nl_finish(msg); + +nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} +EXPORT_SYMBOL(ieee802154_nl_start_confirm); + static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct net_device *dev) { @@ -462,6 +488,12 @@ static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info) blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]); coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]); + if (addr.short_addr == IEEE802154_ADDR_BROADCAST) { + ieee802154_nl_start_confirm(dev, IEEE802154_NO_SHORT_ADDRESS); + dev_put(dev); + return -EINVAL; + } + ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel, bcn_ord, sf_ord, pan_coord, blx, coord_realign); |