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-rw-r--r--net/mac80211/main.c231
1 files changed, 194 insertions, 37 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index f2ece77935..4eaea0a997 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -93,16 +93,32 @@ static void ieee80211_reconfig_filter(struct wiphy *wiphy,
ieee80211_configure_filter(local);
}
-static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
+static u32 ieee80211_calc_hw_conf_chan(struct ieee80211_local *local,
+ struct ieee80211_chanctx_conf *ctx)
{
struct ieee80211_sub_if_data *sdata;
struct cfg80211_chan_def chandef = {};
+ struct cfg80211_chan_def *oper = NULL;
+ enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_STATIC;
u32 changed = 0;
int power;
u32 offchannel_flag;
+ if (!local->emulate_chanctx)
+ return 0;
+
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
+ if (ctx && !WARN_ON(!ctx->def.chan)) {
+ oper = &ctx->def;
+ if (ctx->rx_chains_static > 1)
+ smps_mode = IEEE80211_SMPS_OFF;
+ else if (ctx->rx_chains_dynamic > 1)
+ smps_mode = IEEE80211_SMPS_DYNAMIC;
+ else
+ smps_mode = IEEE80211_SMPS_STATIC;
+ }
+
if (local->scan_chandef.chan) {
chandef = local->scan_chandef;
} else if (local->tmp_channel) {
@@ -110,25 +126,30 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
chandef.center_freq1 = chandef.chan->center_freq;
chandef.freq1_offset = chandef.chan->freq_offset;
- } else
- chandef = local->_oper_chandef;
+ } else if (oper) {
+ chandef = *oper;
+ } else {
+ chandef = local->dflt_chandef;
+ }
- WARN(!cfg80211_chandef_valid(&chandef),
- "control:%d.%03d MHz width:%d center: %d.%03d/%d MHz",
- chandef.chan->center_freq, chandef.chan->freq_offset,
- chandef.width, chandef.center_freq1, chandef.freq1_offset,
- chandef.center_freq2);
+ if (WARN(!cfg80211_chandef_valid(&chandef),
+ "control:%d.%03d MHz width:%d center: %d.%03d/%d MHz",
+ chandef.chan ? chandef.chan->center_freq : -1,
+ chandef.chan ? chandef.chan->freq_offset : 0,
+ chandef.width, chandef.center_freq1, chandef.freq1_offset,
+ chandef.center_freq2))
+ return 0;
- if (!cfg80211_chandef_identical(&chandef, &local->_oper_chandef))
+ if (!oper || !cfg80211_chandef_identical(&chandef, oper))
local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;
else
local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
offchannel_flag ^= local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
- if (offchannel_flag ||
- !cfg80211_chandef_identical(&local->hw.conf.chandef,
- &local->_oper_chandef)) {
+ /* force it also for scanning, since drivers might config differently */
+ if (offchannel_flag || local->scanning ||
+ !cfg80211_chandef_identical(&local->hw.conf.chandef, &chandef)) {
local->hw.conf.chandef = chandef;
changed |= IEEE80211_CONF_CHANGE_CHANNEL;
}
@@ -140,8 +161,8 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
* that otherwise STATIC is used.
*/
local->hw.conf.smps_mode = IEEE80211_SMPS_STATIC;
- } else if (local->hw.conf.smps_mode != local->smps_mode) {
- local->hw.conf.smps_mode = local->smps_mode;
+ } else if (local->hw.conf.smps_mode != smps_mode) {
+ local->hw.conf.smps_mode = smps_mode;
changed |= IEEE80211_CONF_CHANGE_SMPS;
}
@@ -173,12 +194,9 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
might_sleep();
- if (!local->use_chanctx)
- changed |= ieee80211_hw_conf_chan(local);
- else
- changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL |
- IEEE80211_CONF_CHANGE_POWER |
- IEEE80211_CONF_CHANGE_SMPS);
+ WARN_ON(changed & (IEEE80211_CONF_CHANGE_CHANNEL |
+ IEEE80211_CONF_CHANGE_POWER |
+ IEEE80211_CONF_CHANGE_SMPS));
if (changed && local->open_count) {
ret = drv_config(local, changed);
@@ -202,13 +220,115 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
return ret;
}
+/* for scanning, offchannel and chanctx emulation only */
+static int _ieee80211_hw_conf_chan(struct ieee80211_local *local,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ u32 changed;
+
+ if (!local->open_count)
+ return 0;
+
+ changed = ieee80211_calc_hw_conf_chan(local, ctx);
+ if (!changed)
+ return 0;
+
+ return drv_config(local, changed);
+}
+
+int ieee80211_hw_conf_chan(struct ieee80211_local *local)
+{
+ struct ieee80211_chanctx *ctx;
+
+ ctx = list_first_entry_or_null(&local->chanctx_list,
+ struct ieee80211_chanctx,
+ list);
+
+ return _ieee80211_hw_conf_chan(local, ctx ? &ctx->conf : NULL);
+}
+
+void ieee80211_hw_conf_init(struct ieee80211_local *local)
+{
+ u32 changed = ~(IEEE80211_CONF_CHANGE_CHANNEL |
+ IEEE80211_CONF_CHANGE_POWER |
+ IEEE80211_CONF_CHANGE_SMPS);
+
+ if (WARN_ON(!local->open_count))
+ return;
+
+ if (local->emulate_chanctx) {
+ struct ieee80211_chanctx *ctx;
+
+ ctx = list_first_entry_or_null(&local->chanctx_list,
+ struct ieee80211_chanctx,
+ list);
+
+ changed |= ieee80211_calc_hw_conf_chan(local,
+ ctx ? &ctx->conf : NULL);
+ }
+
+ WARN_ON(drv_config(local, changed));
+}
+
+int ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ local->hw.conf.radar_enabled = ctx->radar_enabled;
+
+ return _ieee80211_hw_conf_chan(local, ctx);
+}
+EXPORT_SYMBOL(ieee80211_emulate_add_chanctx);
+
+void ieee80211_emulate_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ local->hw.conf.radar_enabled = false;
+
+ _ieee80211_hw_conf_chan(local, NULL);
+}
+EXPORT_SYMBOL(ieee80211_emulate_remove_chanctx);
+
+void ieee80211_emulate_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
+ u32 changed)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ local->hw.conf.radar_enabled = ctx->radar_enabled;
+
+ _ieee80211_hw_conf_chan(local, ctx);
+}
+EXPORT_SYMBOL(ieee80211_emulate_change_chanctx);
+
+int ieee80211_emulate_switch_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (n_vifs <= 0)
+ return -EINVAL;
+
+ local->hw.conf.radar_enabled = vifs[0].new_ctx->radar_enabled;
+ _ieee80211_hw_conf_chan(local, vifs[0].new_ctx);
+
+ return 0;
+}
+EXPORT_SYMBOL(ieee80211_emulate_switch_vif_chanctx);
+
#define BSS_CHANGED_VIF_CFG_FLAGS (BSS_CHANGED_ASSOC |\
BSS_CHANGED_IDLE |\
BSS_CHANGED_PS |\
BSS_CHANGED_IBSS |\
BSS_CHANGED_ARP_FILTER |\
BSS_CHANGED_SSID |\
- BSS_CHANGED_MLD_VALID_LINKS)
+ BSS_CHANGED_MLD_VALID_LINKS |\
+ BSS_CHANGED_MLD_TTLM)
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u64 changed)
@@ -644,7 +764,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
struct ieee80211_local *local;
int priv_size, i;
struct wiphy *wiphy;
- bool use_chanctx;
+ bool emulate_chanctx;
if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config ||
!ops->add_interface || !ops->remove_interface ||
@@ -659,12 +779,26 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
return NULL;
/* check all or no channel context operations exist */
- i = !!ops->add_chanctx + !!ops->remove_chanctx +
- !!ops->change_chanctx + !!ops->assign_vif_chanctx +
- !!ops->unassign_vif_chanctx;
- if (WARN_ON(i != 0 && i != 5))
- return NULL;
- use_chanctx = i == 5;
+ if (ops->add_chanctx == ieee80211_emulate_add_chanctx &&
+ ops->remove_chanctx == ieee80211_emulate_remove_chanctx &&
+ ops->change_chanctx == ieee80211_emulate_change_chanctx) {
+ if (WARN_ON(ops->assign_vif_chanctx ||
+ ops->unassign_vif_chanctx))
+ return NULL;
+ emulate_chanctx = true;
+ } else {
+ if (WARN_ON(ops->add_chanctx == ieee80211_emulate_add_chanctx ||
+ ops->remove_chanctx == ieee80211_emulate_remove_chanctx ||
+ ops->change_chanctx == ieee80211_emulate_change_chanctx))
+ return NULL;
+ if (WARN_ON(!ops->add_chanctx ||
+ !ops->remove_chanctx ||
+ !ops->change_chanctx ||
+ !ops->assign_vif_chanctx ||
+ !ops->unassign_vif_chanctx))
+ return NULL;
+ emulate_chanctx = false;
+ }
/* Ensure 32-byte alignment of our private data and hw private data.
* We use the wiphy priv data for both our ieee80211_local and for
@@ -698,7 +832,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
WIPHY_FLAG_REPORTS_OBSS |
WIPHY_FLAG_OFFCHAN_TX;
- if (!use_chanctx || ops->remain_on_channel)
+ if (emulate_chanctx || ops->remain_on_channel)
wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy->features |= NL80211_FEATURE_SK_TX_STATUS |
@@ -734,8 +868,11 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT);
}
- if (!ops->set_key)
+ if (!ops->set_key) {
wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT);
+ }
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_TXQS);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_RRM);
@@ -752,7 +889,10 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
local->ops = ops;
- local->use_chanctx = use_chanctx;
+ local->emulate_chanctx = emulate_chanctx;
+
+ if (emulate_chanctx)
+ ieee80211_hw_set(&local->hw, CHANCTX_STA_CSA);
/*
* We need a bit of data queued to build aggregates properly, so
@@ -829,7 +969,6 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
ieee80211_dfs_radar_detected_work);
wiphy_work_init(&local->reconfig_filter, ieee80211_reconfig_filter);
- local->smps_mode = IEEE80211_SMPS_OFF;
wiphy_work_init(&local->dynamic_ps_enable_work,
ieee80211_dynamic_ps_enable_work);
@@ -980,7 +1119,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
* as much, e.g. monitoring beacons would be hard if we
* might not even know which link is active at which time.
*/
- if (WARN_ON(!local->use_chanctx))
+ if (WARN_ON(local->emulate_chanctx))
return -EINVAL;
if (WARN_ON(!local->ops->link_info_changed))
@@ -1024,7 +1163,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
return -EINVAL;
#endif
- if (!local->use_chanctx) {
+ if (local->emulate_chanctx) {
for (i = 0; i < local->hw.wiphy->n_iface_combinations; i++) {
const struct ieee80211_iface_combination *comb;
@@ -1090,11 +1229,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
&sband->channels[i],
NL80211_CHAN_NO_HT);
/* init channel we're on */
- if (!local->use_chanctx && !local->_oper_chandef.chan) {
+ local->monitor_chanreq.oper = dflt_chandef;
+ if (local->emulate_chanctx) {
+ local->dflt_chandef = dflt_chandef;
local->hw.conf.chandef = dflt_chandef;
- local->_oper_chandef = dflt_chandef;
}
- local->monitor_chandef = dflt_chandef;
}
channels += sband->n_channels;
@@ -1115,8 +1254,26 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
supp_vht = supp_vht || sband->vht_cap.vht_supported;
for_each_sband_iftype_data(sband, i, iftd) {
+ u8 he_40_mhz_cap;
+
supp_he = supp_he || iftd->he_cap.has_he;
supp_eht = supp_eht || iftd->eht_cap.has_eht;
+
+ if (band == NL80211_BAND_2GHZ)
+ he_40_mhz_cap =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
+ else
+ he_40_mhz_cap =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
+
+ /* currently no support for HE client where HT has 40 MHz but not HT */
+ if (iftd->he_cap.has_he &&
+ iftd->types_mask & (BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT)) &&
+ sband->ht_cap.ht_supported &&
+ sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
+ !(iftd->he_cap.he_cap_elem.phy_cap_info[0] & he_40_mhz_cap))
+ return -EINVAL;
}
/* HT, VHT, HE require QoS, thus >= 4 queues */