diff mbox series

[v8,08/15] cfg80211: make BSSID generation function inline

Message ID 20190208131539.6813-8-johannes@sipsolutions.net (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series [v8,01/15] mac80211: pass bssids to elements parsing function | expand

Commit Message

Johannes Berg Feb. 8, 2019, 1:15 p.m. UTC 
From: Sara Sharon <sara.sharon@intel.com>

This will enable reuse by mac80211.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 include/net/cfg80211.h | 23 +++++++++++++++++++++++
 net/wireless/scan.c    | 16 ----------------
 2 files changed, 23 insertions(+), 16 deletions(-)
diff mbox series

Patch

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 67aeb7199617..c33ebc41d797 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -5461,6 +5461,29 @@  cfg80211_inform_bss_frame(struct wiphy *wiphy,
 	return cfg80211_inform_bss_frame_data(wiphy, &data, mgmt, len, gfp);
 }
 
+/**
+ * cfg80211_gen_new_bssid - generate a nontransmitted BSSID for multi-BSSID
+ * @bssid: transmitter BSSID
+ * @max_bssid: max BSSID indicator, taken from Multiple BSSID element
+ * @mbssid_index: BSSID index, taken from Multiple BSSID index element
+ * @new_bssid_addr: address of the resulting BSSID
+ */
+static inline void cfg80211_gen_new_bssid(const u8 *bssid, u8 max_bssid,
+					  u8 mbssid_index, u8 *new_bssid_addr)
+{
+	u64 bssid_tmp, new_bssid;
+	u64 lsb_n;
+
+	bssid_tmp = ether_addr_to_u64(bssid);
+
+	lsb_n = bssid_tmp & ((1 << max_bssid) - 1);
+	new_bssid = bssid_tmp;
+	new_bssid &= ~((1 << max_bssid) - 1);
+	new_bssid |= (lsb_n + mbssid_index) % (1 << max_bssid);
+
+	u64_to_ether_addr(new_bssid, new_bssid_addr);
+}
+
 /**
  * enum cfg80211_bss_frame_type - frame type that the BSS data came from
  * @CFG80211_BSS_FTYPE_UNKNOWN: driver doesn't know whether the data is
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index ab0f0178ee0e..f1b06e9c1038 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -179,22 +179,6 @@  static bool __cfg80211_unlink_bss(struct cfg80211_registered_device *rdev,
 	return true;
 }
 
-static void cfg80211_gen_new_bssid(const u8 *bssid, u8 max_bssid,
-				   u8 mbssid_index, u8 *new_bssid_addr)
-{
-	u64 bssid_tmp, new_bssid = 0;
-	u64 lsb_n;
-
-	bssid_tmp = ether_addr_to_u64(bssid);
-
-	lsb_n = bssid_tmp & ((1 << max_bssid) - 1);
-	new_bssid = bssid_tmp;
-	new_bssid &= ~((1 << max_bssid) - 1);
-	new_bssid |= (lsb_n + mbssid_index) % (1 << max_bssid);
-
-	u64_to_ether_addr(new_bssid, new_bssid_addr);
-}
-
 static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
 				  const u8 *subelement, size_t subie_len,
 				  u8 *new_ie, gfp_t gfp)