[PATCH 3/6] mac80211: mesh: clean up rx_bcn_presp API
From: Johannes Berg <johannes@sipsolutions.net>
Date: 2021-09-20 13:31:39
Subsystem:
mac80211, the rest · Maintainers:
Johannes Berg, Linus Torvalds
From: Johannes Berg <redacted> 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. Signed-off-by: Johannes Berg <redacted> --- net/mac80211/ieee80211_i.h | 7 +++---- net/mac80211/mesh.c | 4 ++-- net/mac80211/mesh_sync.c | 25 +++++++++++-------------- 3 files changed, 16 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..8a0f481e5af6 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c@@ -35,12 +35,12 @@ 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 +76,11 @@ 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 +101,7 @@ 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 +116,7 @@ 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;
--
2.31.1