bartoszek/zephyr
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net/ieee802154: Verify in L2 the Sub-Ghz channel value

Browse Source 
Depending on device's band, the upper channel limit can vary a lot in
Sub-Ghz. Thus verifying it directly in L2 before requesting it to the
device.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2017-09-11 10:14:48 +02:00 committed by Jukka Rissanen
parent 9aa2f45d23
commit 6fa3d0fa3e
2 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
subsys/net/ip/l2/ieee802154/ieee802154_mgmt.c
View File

@ -389,6 +389,10 @@ static int ieee802154_set_parameters(u32_t mgmt_request,
if (mgmt_request == NET_REQUEST_IEEE802154_SET_CHANNEL) {
if (ctx->channel != value) {
if (!ieee802154_verify_channel(iface->dev, value)) {
return -EINVAL;
}
ret = radio->set_channel(iface->dev, value);
if (!ret) {
ctx->channel = value;

15
subsys/net/ip/l2/ieee802154/ieee802154_utils.h
View File

@ -68,4 +68,19 @@ static inline void ieee802154_filter_pan_id(struct net_if *iface,
}
}
static inline bool ieee802154_verify_channel(struct device *dev, u16_t channel)
{
#ifdef CONFIG_NET_L2_IEEE802154_SUB_GHZ
const struct ieee802154_radio_api *radio = dev->driver_api;
if (radio->get_capabilities(dev) & IEEE802154_HW_SUB_GHZ) {
if (channel > radio->get_subg_channel_count(dev)) {
return false;
}
}
#endif /* CONFIG_NET_L2_IEEE802154_SUB_GHZ */
return true;
}
#endif /* __IEEE802154_UTILS_H__ */