summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--net/mac80211/ieee80211_i.h2
-rw-r--r--net/mac80211/rx.c45
-rw-r--r--net/mac80211/util.c49
3 files changed, 45 insertions, 51 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index eb91102..361bb3c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1762,8 +1762,6 @@ static inline int __ieee80211_resume(struct ieee80211_hw *hw)
/* utility functions/constants */
extern const void *const mac80211_wiphy_privid; /* for wiphy privid */
-u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
- enum nl80211_iftype type);
int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
int rate, int erp, int short_preamble,
int shift);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index aa57a2a..dd6bb2a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -42,6 +42,51 @@ static inline void ieee80211_rx_stats(struct net_device *dev, u32 len)
u64_stats_update_end(&tstats->syncp);
}
+static u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
+ enum nl80211_iftype type)
+{
+ __le16 fc = hdr->frame_control;
+
+ if (ieee80211_is_data(fc)) {
+ if (len < 24) /* drop incorrect hdr len (data) */
+ return NULL;
+
+ if (ieee80211_has_a4(fc))
+ return NULL;
+ if (ieee80211_has_tods(fc))
+ return hdr->addr1;
+ if (ieee80211_has_fromds(fc))
+ return hdr->addr2;
+
+ return hdr->addr3;
+ }
+
+ if (ieee80211_is_mgmt(fc)) {
+ if (len < 24) /* drop incorrect hdr len (mgmt) */
+ return NULL;
+ return hdr->addr3;
+ }
+
+ if (ieee80211_is_ctl(fc)) {
+ if (ieee80211_is_pspoll(fc))
+ return hdr->addr1;
+
+ if (ieee80211_is_back_req(fc)) {
+ switch (type) {
+ case NL80211_IFTYPE_STATION:
+ return hdr->addr2;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ return hdr->addr1;
+ default:
+ break; /* fall through to the return */
+ }
+ }
+ }
+
+ return NULL;
+}
+
/*
* monitor mode reception
*
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 43e5aad..7fb2c7b 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -47,55 +47,6 @@ struct ieee80211_hw *wiphy_to_ieee80211_hw(struct wiphy *wiphy)
}
EXPORT_SYMBOL(wiphy_to_ieee80211_hw);
-u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
- enum nl80211_iftype type)
-{
- __le16 fc = hdr->frame_control;
-
- /* drop ACK/CTS frames and incorrect hdr len (ctrl) */
- if (len < 16)
- return NULL;
-
- if (ieee80211_is_data(fc)) {
- if (len < 24) /* drop incorrect hdr len (data) */
- return NULL;
-
- if (ieee80211_has_a4(fc))
- return NULL;
- if (ieee80211_has_tods(fc))
- return hdr->addr1;
- if (ieee80211_has_fromds(fc))
- return hdr->addr2;
-
- return hdr->addr3;
- }
-
- if (ieee80211_is_mgmt(fc)) {
- if (len < 24) /* drop incorrect hdr len (mgmt) */
- return NULL;
- return hdr->addr3;
- }
-
- if (ieee80211_is_ctl(fc)) {
- if (ieee80211_is_pspoll(fc))
- return hdr->addr1;
-
- if (ieee80211_is_back_req(fc)) {
- switch (type) {
- case NL80211_IFTYPE_STATION:
- return hdr->addr2;
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_AP_VLAN:
- return hdr->addr1;
- default:
- break; /* fall through to the return */
- }
- }
- }
-
- return NULL;
-}
-
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx)
{
struct sk_buff *skb;