diff options
Diffstat (limited to 'include/net/ieee80211_radiotap.h')
| -rw-r--r-- | include/net/ieee80211_radiotap.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h index a0c2b41a24d7..dfd8bf66ce27 100644 --- a/include/net/ieee80211_radiotap.h +++ b/include/net/ieee80211_radiotap.h @@ -40,6 +40,7 @@ #include <linux/if_ether.h> #include <linux/kernel.h> +#include <asm/unaligned.h> /* Radiotap header version (from official NetBSD feed) */ #define IEEE80211RADIOTAP_VERSION "1.5" @@ -255,4 +256,13 @@ enum ieee80211_radiotap_type { (((x) == 14) ? 2484 : ((x) * 5) + 2407) : \ ((x) + 1000) * 5) +/* helpers */ +static inline int ieee80211_get_radiotap_len(unsigned char *data) +{ + struct ieee80211_radiotap_header *hdr = + (struct ieee80211_radiotap_header *)data; + + return le16_to_cpu(get_unaligned(&hdr->it_len)); +} + #endif /* IEEE80211_RADIOTAP_H */ |