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authorJavier Cardona <javier@cozybit.com>2009-08-10 12:15:48 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-08-14 09:14:00 -0400
commit3c5772a5279de9eadfff7adb5ddea08106495fff (patch)
tree297772521c18283ccfa19aacb090f396fa2b399e /net/mac80211/mesh.h
parenta9e3091bf08ddea35f172549a8a21d5bd6ee6129 (diff)
downloadop-kernel-dev-3c5772a5279de9eadfff7adb5ddea08106495fff.zip
op-kernel-dev-3c5772a5279de9eadfff7adb5ddea08106495fff.tar.gz
mac80211: Use 3-address format for mesh broadcast frames.
The 11s task group recently changed the frame mesh multicast/broadcast frame format to use 3-address. This was done to avoid interactions with widely deployed lazy-WDS access points. This patch changes the format of group addressed frames, both mesh-originated and proxied, to use the data format defined in draft D2.08 and forward. The address fields used for group addressed frames is: In 802.11 header ToDS:0 FromDS:1 addr1: DA (broadcast/multicast address) addr2: TA addr3: Mesh SA In address extension header: addr4: SA (only present if frame was proxied) Note that this change breaks backward compatibility with earlier mesh stack versions. Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh.h')
-rw-r--r--net/mac80211/mesh.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 6aaf1ec..2ebd74c 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -193,8 +193,11 @@ struct mesh_rmc {
/* Public interfaces */
/* Various */
+int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
+ char *da, char *sa);
int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
- struct ieee80211_sub_if_data *sdata);
+ struct ieee80211_sub_if_data *sdata, char *addr4,
+ char *addr5, char *addr6);
int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
struct ieee80211_sub_if_data *sdata);
bool mesh_matches_local(struct ieee802_11_elems *ie,
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