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authorJavier Cardona <javier@cozybit.com>2010-12-03 09:20:40 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-12-06 16:01:28 -0500
commit45904f21655cf4f0ae7d0fab5906fe51bf56ecf4 (patch)
treefd023d65b881b6cfcf1529eed7c1ad2523c166e1 /net/mac80211/mesh_hwmp.c
parentb9e61f11f47035e3b4545b51fb547fef48eb3096 (diff)
downloadlinux-45904f21655cf4f0ae7d0fab5906fe51bf56ecf4.tar.bz2
nl80211/mac80211: define and allow configuring mesh element TTL
The TTL in path selection information elements is different from the mesh ttl used in mesh data frames. Version 7.03 of the 11s draft calls this ttl 'Element TTL'. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh_hwmp.c')
-rw-r--r--net/mac80211/mesh_hwmp.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 829e08a657d0..5bf64d7112b3 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -232,7 +232,7 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
*pos++ = WLAN_EID_PERR;
*pos++ = ie_len;
/* ttl */
- *pos++ = MESH_TTL;
+ *pos++ = ttl;
/* number of destinations */
*pos++ = 1;
/*
@@ -522,7 +522,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
if (reply) {
lifetime = PREQ_IE_LIFETIME(preq_elem);
- ttl = ifmsh->mshcfg.dot11MeshTTL;
+ ttl = ifmsh->mshcfg.element_ttl;
if (ttl != 0) {
mhwmp_dbg("replying to the PREQ\n");
mesh_path_sel_frame_tx(MPATH_PREP, 0, target_addr,
@@ -877,7 +877,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
sdata->u.mesh.last_sn_update = jiffies;
}
lifetime = default_lifetime(sdata);
- ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
+ ttl = sdata->u.mesh.mshcfg.element_ttl;
if (ttl == 0) {
sdata->u.mesh.mshstats.dropped_frames_ttl++;
spin_unlock_bh(&mpath->state_lock);
@@ -1013,5 +1013,6 @@ mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata)
mesh_path_sel_frame_tx(MPATH_RANN, 0, sdata->vif.addr,
cpu_to_le32(++ifmsh->sn),
0, NULL, 0, broadcast_addr,
- 0, MESH_TTL, 0, 0, 0, sdata);
+ 0, sdata->u.mesh.mshcfg.element_ttl,
+ 0, 0, 0, sdata);
}