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authorJohannes Berg <johannes.berg@intel.com>2021-09-20 15:40:07 +0200
committerJohannes Berg <johannes.berg@intel.com>2021-09-23 16:26:33 +0200
commita5b983c6073140b624f64e79fea6d33c3e4315a0 (patch)
tree1f89fc75684fc6ecd6526f9d1ad8c1de4ff331bd /net/mac80211
parent01f84f0ed3b431b9aa40ad0af7d6849056fd3064 (diff)
mac80211: mesh: clean up rx_bcn_presp API
We currently pass the entire elements to the rx_bcn_presp() method, but only need mesh_config. Additionally, we use the length of the elements to calculate back the entire frame's length, but that's confusing - just pass the length of the frame instead. Link: https://lore.kernel.org/r/20210920154009.a18ed3d2da6c.I1824b773a0fbae4453e1433c184678ca14e8df45@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/ieee80211_i.h7
-rw-r--r--net/mac80211/mesh.c4
-rw-r--r--net/mac80211/mesh_sync.c26
3 files changed, 17 insertions, 20 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 159af6c3ffb0..d74031bb4ae6 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -631,10 +631,9 @@ struct ieee80211_if_ocb {
*/
struct ieee802_11_elems;
struct ieee80211_mesh_sync_ops {
- void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
- u16 stype,
- struct ieee80211_mgmt *mgmt,
- struct ieee802_11_elems *elems,
+ void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, u16 stype,
+ struct ieee80211_mgmt *mgmt, unsigned int len,
+ const struct ieee80211_meshconf_ie *mesh_cfg,
struct ieee80211_rx_status *rx_status);
/* should be called with beacon_data under RCU read lock */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 97095b7c9c64..65e9335b3614 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1353,8 +1353,8 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
}
if (ifmsh->sync_ops)
- ifmsh->sync_ops->rx_bcn_presp(sdata,
- stype, mgmt, &elems, rx_status);
+ ifmsh->sync_ops->rx_bcn_presp(sdata, stype, mgmt, len,
+ elems.mesh_config, rx_status);
}
int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index fde93de2b80a..9e342cc2504c 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -3,6 +3,7 @@
* Copyright 2011-2012, Pavel Zubarev <pavel.zubarev@gmail.com>
* Copyright 2011-2012, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de>
* Copyright 2011-2012, cozybit Inc.
+ * Copyright (C) 2021 Intel Corporation
*/
#include "ieee80211_i.h"
@@ -35,12 +36,12 @@ struct sync_method {
/**
* mesh_peer_tbtt_adjusting - check if an mp is currently adjusting its TBTT
*
- * @ie: information elements of a management frame from the mesh peer
+ * @cfg: mesh config element from the mesh peer (or %NULL)
*/
-static bool mesh_peer_tbtt_adjusting(struct ieee802_11_elems *ie)
+static bool mesh_peer_tbtt_adjusting(const struct ieee80211_meshconf_ie *cfg)
{
- return (ie->mesh_config->meshconf_cap &
- IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING) != 0;
+ return cfg &&
+ (cfg->meshconf_cap & IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING);
}
void mesh_sync_adjust_tsf(struct ieee80211_sub_if_data *sdata)
@@ -76,11 +77,11 @@ void mesh_sync_adjust_tsf(struct ieee80211_sub_if_data *sdata)
}
}
-static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
- u16 stype,
- struct ieee80211_mgmt *mgmt,
- struct ieee802_11_elems *elems,
- struct ieee80211_rx_status *rx_status)
+static void
+mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, u16 stype,
+ struct ieee80211_mgmt *mgmt, unsigned int len,
+ const struct ieee80211_meshconf_ie *mesh_cfg,
+ struct ieee80211_rx_status *rx_status)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_local *local = sdata->local;
@@ -101,10 +102,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
*/
if (ieee80211_have_rx_timestamp(rx_status))
t_r = ieee80211_calculate_rx_timestamp(local, rx_status,
- 24 + 12 +
- elems->total_len +
- FCS_LEN,
- 24);
+ len + FCS_LEN, 24);
else
t_r = drv_get_tsf(local, sdata);
@@ -119,7 +117,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
* dot11MeshNbrOffsetMaxNeighbor non-peer non-MBSS neighbors
*/
- if (elems->mesh_config && mesh_peer_tbtt_adjusting(elems)) {
+ if (mesh_peer_tbtt_adjusting(mesh_cfg)) {
msync_dbg(sdata, "STA %pM : is adjusting TBTT\n",
sta->sta.addr);
goto no_sync;