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authorJohannes Berg <johannes@sipsolutions.net>2007-09-18 17:29:20 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:52:59 -0700
commitf97df02e23269c7650869f6192e809f8ac1a4b39 (patch)
treeec94bcf660ff34c51562ac285d2b6fac38cc9059 /include
parent[PATCH] mac80211: document a lot more (diff)
downloadlinux-dev-f97df02e23269c7650869f6192e809f8ac1a4b39.tar.xz
linux-dev-f97df02e23269c7650869f6192e809f8ac1a4b39.zip
[PATCH] wireless networking: move frame inline functions to generic header
These inlines are generally useful, not just with mac80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ieee80211.h61
-rw-r--r--include/net/mac80211.h60
2 files changed, 61 insertions, 60 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 272f8c8c90da..30621c27159f 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -16,6 +16,7 @@
#define IEEE80211_H
#include <linux/types.h>
+#include <asm/byteorder.h>
#define FCS_LEN 4
@@ -350,4 +351,64 @@ enum ieee80211_eid {
#define WLAN_MAX_KEY_LEN 32
+/**
+ * ieee80211_get_SA - get pointer to SA
+ *
+ * Given an 802.11 frame, this function returns the offset
+ * to the source address (SA). It does not verify that the
+ * header is long enough to contain the address, and the
+ * header must be long enough to contain the frame control
+ * field.
+ *
+ * @hdr: the frame
+ */
+static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
+{
+ u8 *raw = (u8 *) hdr;
+ u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */
+
+ switch (tofrom) {
+ case 2:
+ return hdr->addr3;
+ case 3:
+ return hdr->addr4;
+ }
+ return hdr->addr2;
+}
+
+/**
+ * ieee80211_get_DA - get pointer to DA
+ *
+ * Given an 802.11 frame, this function returns the offset
+ * to the destination address (DA). It does not verify that
+ * the header is long enough to contain the address, and the
+ * header must be long enough to contain the frame control
+ * field.
+ *
+ * @hdr: the frame
+ */
+static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
+{
+ u8 *raw = (u8 *) hdr;
+ u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */
+
+ if (to_ds)
+ return hdr->addr3;
+ return hdr->addr1;
+}
+
+/**
+ * ieee80211_get_morefrag - determine whether the MOREFRAGS bit is set
+ *
+ * This function determines whether the "more fragments" bit is set
+ * in the frame.
+ *
+ * @hdr: the frame
+ */
+static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr)
+{
+ return (le16_to_cpu(hdr->frame_control) &
+ IEEE80211_FCTL_MOREFRAGS) != 0;
+}
+
#endif /* IEEE80211_H */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index d2cf734402e3..fcca9c39b9e7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1399,64 +1399,4 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw);
*/
void ieee80211_scan_completed(struct ieee80211_hw *hw);
-/**
- * ieee80211_get_SA - get pointer to SA
- *
- * Given an 802.11 frame, this function returns the offset
- * to the source address (SA). It does not verify that the
- * header is long enough to contain the address, and the
- * header must be long enough to contain the frame control
- * field.
- *
- * @hdr: the frame
- */
-static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
-{
- u8 *raw = (u8 *) hdr;
- u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */
-
- switch (tofrom) {
- case 2:
- return hdr->addr3;
- case 3:
- return hdr->addr4;
- }
- return hdr->addr2;
-}
-
-/**
- * ieee80211_get_DA - get pointer to DA
- *
- * Given an 802.11 frame, this function returns the offset
- * to the destination address (DA). It does not verify that
- * the header is long enough to contain the address, and the
- * header must be long enough to contain the frame control
- * field.
- *
- * @hdr: the frame
- */
-static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
-{
- u8 *raw = (u8 *) hdr;
- u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */
-
- if (to_ds)
- return hdr->addr3;
- return hdr->addr1;
-}
-
-/**
- * ieee80211_get_morefrag - determine whether the MOREFRAGS bit is set
- *
- * This function determines whether the "more fragments" bit is set
- * in the frame.
- *
- * @hdr: the frame
- */
-static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr)
-{
- return (le16_to_cpu(hdr->frame_control) &
- IEEE80211_FCTL_MOREFRAGS) != 0;
-}
-
#endif /* MAC80211_H */