diff options
Diffstat (limited to 'include/linux/ieee80211.h')
| -rw-r--r-- | include/linux/ieee80211.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 62b4469c6866..d31876236c0f 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -4420,6 +4420,35 @@ static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, } /** + * ieee80211_is_protected_dual_of_public_action - check if skb contains a + * protected dual of public action management frame + * @skb: the skb containing the frame, length will be checked + * + * Return: true if the skb contains a protected dual of public action + * management frame, false otherwise. + */ +static inline bool +ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb) +{ + u8 action; + + if (!ieee80211_is_public_action((void *)skb->data, skb->len) || + skb->len < IEEE80211_MIN_ACTION_SIZE + 1) + return false; + + action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE); + + return action != WLAN_PUB_ACTION_20_40_BSS_COEX && + action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN && + action != WLAN_PUB_ACTION_MSMT_PILOT && + action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES && + action != WLAN_PUB_ACTION_LOC_TRACK_NOTI && + action != WLAN_PUB_ACTION_FTM_REQUEST && + action != WLAN_PUB_ACTION_FTM_RESPONSE && + action != WLAN_PUB_ACTION_FILS_DISCOVERY; +} + +/** * _ieee80211_is_group_privacy_action - check if frame is a group addressed * privacy action frame * @hdr: the frame |