diff options
Diffstat (limited to 'include/linux/ieee80211.h')
| -rw-r--r-- | include/linux/ieee80211.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 66cedf6eb5c2..17f2a768e2ad 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1695,6 +1695,23 @@ static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) } /** + * ieee80211_is_public_action - check if frame is a public action frame + * @hdr: the frame + * @len: length of the frame + */ +static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, + size_t len) +{ + struct ieee80211_mgmt *mgmt = (void *)hdr; + + if (len < IEEE80211_MIN_ACTION_SIZE) + return false; + if (!ieee80211_is_action(hdr->frame_control)) + return false; + return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; +} + +/** * ieee80211_fhss_chan_to_freq - get channel frequency * @channel: the FHSS channel * |