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Diffstat (limited to 'net/mac80211/mesh.c')
-rw-r--r--net/mac80211/mesh.c162
1 files changed, 73 insertions, 89 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index fccbcde3359a..32475da98d73 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
- * Copyright (C) 2018 - 2023 Intel Corporation
+ * Copyright (C) 2018 - 2024 Intel Corporation
* Authors: Luis Carlos Cobo <luisca@cozybit.com>
* Javier Cardona <javier@cozybit.com>
*/
@@ -97,7 +97,7 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.bss_conf.basic_rates != basic_rates)
return false;
- cfg80211_chandef_create(&sta_chan_def, sdata->vif.bss_conf.chandef.chan,
+ cfg80211_chandef_create(&sta_chan_def, sdata->vif.bss_conf.chanreq.oper.chan,
NL80211_CHAN_NO_HT);
ieee80211_chandef_ht_oper(ie->ht_operation, &sta_chan_def);
@@ -107,10 +107,11 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
ieee80211_chandef_vht_oper(&sdata->local->hw, vht_cap_info,
ie->vht_operation, ie->ht_operation,
&sta_chan_def);
- ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, ie->eht_operation,
+ ieee80211_chandef_he_6ghz_oper(sdata->local, ie->he_operation,
+ ie->eht_operation,
&sta_chan_def);
- if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
+ if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chanreq.oper,
&sta_chan_def))
return false;
@@ -435,9 +436,9 @@ int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata,
return 0;
if (!sband->ht_cap.ht_supported ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap))
@@ -476,16 +477,16 @@ int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata,
return 0;
if (!ht_cap->ht_supported ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_operation))
return -ENOMEM;
pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_operation));
- ieee80211_ie_build_ht_oper(pos, ht_cap, &sdata->vif.bss_conf.chandef,
+ ieee80211_ie_build_ht_oper(pos, ht_cap, &sdata->vif.bss_conf.chanreq.oper,
sdata->vif.bss_conf.ht_operation_mode,
false);
@@ -507,9 +508,9 @@ int mesh_add_vht_cap_ie(struct ieee80211_sub_if_data *sdata,
return 0;
if (!sband->vht_cap.vht_supported ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_vht_cap))
@@ -548,9 +549,9 @@ int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
return 0;
if (!vht_cap->vht_supported ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_vht_operation))
@@ -558,7 +559,7 @@ int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
pos = skb_put(skb, 2 + sizeof(struct ieee80211_vht_operation));
ieee80211_ie_build_vht_oper(pos, vht_cap,
- &sdata->vif.bss_conf.chandef);
+ &sdata->vif.bss_conf.chanreq.oper);
return 0;
}
@@ -566,29 +567,18 @@ int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u8 ie_len)
{
- const struct ieee80211_sta_he_cap *he_cap;
struct ieee80211_supported_band *sband;
- u8 *pos;
sband = ieee80211_get_sband(sdata);
if (!sband)
return -EINVAL;
- he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
-
- if (!he_cap ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ if (sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
- if (skb_tailroom(skb) < ie_len)
- return -ENOMEM;
-
- pos = skb_put(skb, ie_len);
- ieee80211_ie_build_he_cap(0, pos, he_cap, pos + ie_len);
-
- return 0;
+ return ieee80211_put_he_cap(skb, sdata, sband, NULL);
}
int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
@@ -605,20 +595,20 @@ int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
if (!he_cap ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
len = 2 + 1 + sizeof(struct ieee80211_he_operation);
- if (sdata->vif.bss_conf.chandef.chan->band == NL80211_BAND_6GHZ)
+ if (sdata->vif.bss_conf.chanreq.oper.chan->band == NL80211_BAND_6GHZ)
len += sizeof(struct ieee80211_he_6ghz_oper);
if (skb_tailroom(skb) < len)
return -ENOMEM;
pos = skb_put(skb, len);
- ieee80211_ie_build_he_oper(pos, &sdata->vif.bss_conf.chandef);
+ ieee80211_ie_build_he_oper(pos, &sdata->vif.bss_conf.chanreq.oper);
return 0;
}
@@ -639,37 +629,25 @@ int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata,
if (!iftd)
return 0;
- ieee80211_ie_build_he_6ghz_cap(sdata, sdata->deflink.smps_mode, skb);
+ ieee80211_put_he_6ghz_cap(skb, sdata, sdata->deflink.smps_mode);
return 0;
}
int mesh_add_eht_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u8 ie_len)
{
- const struct ieee80211_sta_he_cap *he_cap;
- const struct ieee80211_sta_eht_cap *eht_cap;
struct ieee80211_supported_band *sband;
- u8 *pos;
sband = ieee80211_get_sband(sdata);
if (!sband)
return -EINVAL;
- he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
- eht_cap = ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
- if (!he_cap || !eht_cap ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ if (sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
- if (skb_tailroom(skb) < ie_len)
- return -ENOMEM;
-
- pos = skb_put(skb, ie_len);
- ieee80211_ie_build_eht_cap(pos, he_cap, eht_cap, pos + ie_len, false);
-
- return 0;
+ return ieee80211_put_eht_cap(skb, sdata, sband, NULL);
}
int mesh_add_eht_oper_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
@@ -685,9 +663,9 @@ int mesh_add_eht_oper_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *sk
eht_cap = ieee80211_get_eht_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
if (!eht_cap ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return 0;
len = 2 + 1 + offsetof(struct ieee80211_eht_operation, optional) +
@@ -697,7 +675,7 @@ int mesh_add_eht_oper_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *sk
return -ENOMEM;
pos = skb_put(skb, len);
- ieee80211_ie_build_eht_oper(pos, &sdata->vif.bss_conf.chandef, eht_cap);
+ ieee80211_ie_build_eht_oper(pos, &sdata->vif.bss_conf.chanreq.oper, eht_cap);
return 0;
}
@@ -745,9 +723,9 @@ ieee80211_mesh_update_bss_params(struct ieee80211_sub_if_data *sdata,
return;
if (!ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT) ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
- sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_5 ||
+ sdata->vif.bss_conf.chanreq.oper.width == NL80211_CHAN_WIDTH_10)
return;
sdata->vif.bss_conf.he_support = true;
@@ -966,24 +944,22 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
int head_len, tail_len;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- struct ieee80211_chanctx_conf *chanctx_conf;
struct mesh_csa_settings *csa;
- enum nl80211_band band;
+ const struct ieee80211_supported_band *sband;
u8 ie_len_he_cap, ie_len_eht_cap;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon);
+ u32 rate_flags;
sdata = container_of(ifmsh, struct ieee80211_sub_if_data, u.mesh);
- rcu_read_lock();
- chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
- band = chanctx_conf->def.chan->band;
- rcu_read_unlock();
- ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
- NL80211_IFTYPE_MESH_POINT);
- ie_len_eht_cap = ieee80211_ie_len_eht_cap(sdata,
- NL80211_IFTYPE_MESH_POINT);
+ sband = ieee80211_get_sband(sdata);
+ rate_flags =
+ ieee80211_chandef_rate_flags(&sdata->vif.bss_conf.chanreq.oper);
+
+ ie_len_he_cap = ieee80211_ie_len_he_cap(sdata);
+ ie_len_eht_cap = ieee80211_ie_len_eht_cap(sdata);
head_len = hdr_len +
2 + /* NULL SSID */
/* Channel Switch Announcement */
@@ -1107,7 +1083,9 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
}
rcu_read_unlock();
- if (ieee80211_add_srates_ie(sdata, skb, true, band) ||
+ if (ieee80211_put_srates_elem(skb, sband,
+ sdata->vif.bss_conf.basic_rates,
+ rate_flags, 0, WLAN_EID_SUPP_RATES) ||
mesh_add_ds_params_ie(sdata, skb))
goto out_free;
@@ -1118,7 +1096,9 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
skb_trim(skb, 0);
bcn->tail = bcn->head + bcn->head_len;
- if (ieee80211_add_ext_srates_ie(sdata, skb, true, band) ||
+ if (ieee80211_put_srates_elem(skb, sband,
+ sdata->vif.bss_conf.basic_rates,
+ rate_flags, 0, WLAN_EID_EXT_SUPP_RATES) ||
mesh_add_rsn_ie(sdata, skb) ||
mesh_add_ht_cap_ie(sdata, skb) ||
mesh_add_ht_oper_ie(sdata, skb) ||
@@ -1234,7 +1214,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
netif_carrier_off(sdata->dev);
/* flush STAs and mpaths on this iface */
- sta_info_flush(sdata);
+ sta_info_flush(sdata, -1);
ieee80211_free_keys(sdata, true);
mesh_path_flush_by_iface(sdata);
@@ -1276,11 +1256,12 @@ static void ieee80211_mesh_csa_mark_radar(struct ieee80211_sub_if_data *sdata)
* unavailable.
*/
err = cfg80211_chandef_dfs_required(sdata->local->hw.wiphy,
- &sdata->vif.bss_conf.chandef,
+ &sdata->vif.bss_conf.chanreq.oper,
NL80211_IFTYPE_MESH_POINT);
if (err > 0)
cfg80211_radar_event(sdata->local->hw.wiphy,
- &sdata->vif.bss_conf.chandef, GFP_ATOMIC);
+ &sdata->vif.bss_conf.chanreq.oper,
+ GFP_ATOMIC);
}
static bool
@@ -1292,7 +1273,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_supported_band *sband;
int err;
- ieee80211_conn_flags_t conn_flags = 0;
+ struct ieee80211_conn_settings conn = ieee80211_conn_settings_unlimited;
u32 vht_cap_info = 0;
lockdep_assert_wiphy(sdata->local->hw.wiphy);
@@ -1301,15 +1282,18 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
if (!sband)
return false;
- switch (sdata->vif.bss_conf.chandef.width) {
+ switch (sdata->vif.bss_conf.chanreq.oper.width) {
case NL80211_CHAN_WIDTH_20_NOHT:
- conn_flags |= IEEE80211_CONN_DISABLE_HT;
- fallthrough;
+ conn.mode = IEEE80211_CONN_MODE_LEGACY;
+ conn.bw_limit = IEEE80211_CONN_BW_LIMIT_20;
+ break;
case NL80211_CHAN_WIDTH_20:
- conn_flags |= IEEE80211_CONN_DISABLE_40MHZ;
- fallthrough;
+ conn.mode = IEEE80211_CONN_MODE_HT;
+ conn.bw_limit = IEEE80211_CONN_BW_LIMIT_20;
+ break;
case NL80211_CHAN_WIDTH_40:
- conn_flags |= IEEE80211_CONN_DISABLE_VHT;
+ conn.mode = IEEE80211_CONN_MODE_HT;
+ conn.bw_limit = IEEE80211_CONN_BW_LIMIT_40;
break;
default:
break;
@@ -1321,8 +1305,8 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
memset(&params, 0, sizeof(params));
err = ieee80211_parse_ch_switch_ie(sdata, elems, sband->band,
- vht_cap_info,
- conn_flags, sdata->vif.addr,
+ vht_cap_info, &conn,
+ sdata->vif.addr,
&csa_ie);
if (err < 0)
return false;
@@ -1335,7 +1319,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
if (csa_ie.reason_code == WLAN_REASON_MESH_CHAN_REGULATORY)
ieee80211_mesh_csa_mark_radar(sdata);
- params.chandef = csa_ie.chandef;
+ params.chandef = csa_ie.chanreq.oper;
params.count = csa_ie.count;
if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, &params.chandef,
@@ -1371,7 +1355,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
params.radar_required = err;
if (cfg80211_chandef_identical(&params.chandef,
- &sdata->vif.bss_conf.chandef)) {
+ &sdata->vif.bss_conf.chanreq.oper)) {
mcsa_dbg(sdata,
"received csa with an identical chandef, ignoring\n");
return true;
@@ -1551,7 +1535,7 @@ int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata, u64 *changed)
*changed |= BSS_CHANGED_BEACON;
mcsa_dbg(sdata, "complete switching to center freq %d MHz",
- sdata->vif.bss_conf.chandef.chan->center_freq);
+ sdata->vif.bss_conf.chanreq.oper.chan->center_freq);
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.