ath10k: implement chanctx API
The chanctx API will allow ath10k to support
multi-channel operation.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 8df20e9..2007527 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -518,6 +518,54 @@
}
}
+int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *def)
+{
+ struct ieee80211_chanctx_conf *conf;
+
+ rcu_read_lock();
+ conf = rcu_dereference(vif->chanctx_conf);
+ if (!conf) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ *def = conf->def;
+ rcu_read_unlock();
+
+ return 0;
+}
+
+static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ void *data)
+{
+ int *num = data;
+
+ (*num)++;
+}
+
+static int ath10k_mac_num_chanctxs(struct ath10k *ar)
+{
+ int num = 0;
+
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_num_chanctxs_iter,
+ &num);
+
+ return num;
+}
+
+static void
+ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ void *data)
+{
+ struct cfg80211_chan_def **def = data;
+
+ *def = &conf->def;
+}
+
static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr,
enum wmi_peer_type peer_type)
{
@@ -765,13 +813,21 @@
static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
{
- struct cfg80211_chan_def *chandef = &ar->chandef;
+ struct cfg80211_chan_def *chandef = NULL;
struct ieee80211_channel *channel = chandef->chan;
struct wmi_vdev_start_request_arg arg = {};
int ret = 0;
lockdep_assert_held(&ar->conf_mutex);
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_get_any_chandef_iter,
+ &chandef);
+ if (WARN_ON_ONCE(!chandef))
+ return -ENOENT;
+
+ channel = chandef->chan;
+
arg.vdev_id = vdev_id;
arg.channel.freq = channel->center_freq;
arg.channel.band_center_freq1 = chandef->center_freq1;
@@ -972,27 +1028,79 @@
return true;
}
+static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
+{
+ int num_ctx;
+
+ /* At least one chanctx is required to derive a channel to start
+ * monitor vdev on.
+ */
+ num_ctx = ath10k_mac_num_chanctxs(ar);
+ if (num_ctx == 0)
+ return false;
+
+ /* If there's already an existing special monitor interface then don't
+ * bother creating another monitor vdev.
+ */
+ if (ar->monitor_arvif)
+ return false;
+
+ return ar->monitor ||
+ !ath10k_mac_should_disable_promisc(ar) ||
+ test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+}
+
+static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
+{
+ int num_ctx;
+
+ num_ctx = ath10k_mac_num_chanctxs(ar);
+
+ /* FIXME: Current interface combinations and cfg80211/mac80211 code
+ * shouldn't allow this but make sure to prevent handling the following
+ * case anyway since multi-channel DFS hasn't been tested at all.
+ */
+ if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
+ return false;
+
+ return true;
+}
+
static int ath10k_monitor_recalc(struct ath10k *ar)
{
- bool should_start;
+ bool needed;
+ bool allowed;
+ int ret;
lockdep_assert_held(&ar->conf_mutex);
- should_start = ar->monitor ||
- !ath10k_mac_should_disable_promisc(ar) ||
- test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+ needed = ath10k_mac_monitor_vdev_is_needed(ar);
+ allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
ath10k_dbg(ar, ATH10K_DBG_MAC,
- "mac monitor recalc started? %d should? %d\n",
- ar->monitor_started, should_start);
+ "mac monitor recalc started? %d needed? %d allowed? %d\n",
+ ar->monitor_started, needed, allowed);
- if (should_start == ar->monitor_started)
+ if (WARN_ON(needed && !allowed)) {
+ if (ar->monitor_started) {
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
+
+ ret = ath10k_monitor_stop(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to stop disallowed monitor: %d\n", ret);
+ /* not serious */
+ }
+
+ return -EPERM;
+ }
+
+ if (needed == ar->monitor_started)
return 0;
- if (should_start)
+ if (needed)
return ath10k_monitor_start(ar);
-
- return ath10k_monitor_stop(ar);
+ else
+ return ath10k_monitor_stop(ar);
}
static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
@@ -1054,6 +1162,27 @@
return 0;
}
+static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ void *data)
+{
+ bool *ret = data;
+
+ if (!*ret && conf->radar_enabled)
+ *ret = true;
+}
+
+static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
+{
+ bool has_radar = false;
+
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_has_radar_iter,
+ &has_radar);
+
+ return has_radar;
+}
+
static void ath10k_recalc_radar_detection(struct ath10k *ar)
{
int ret;
@@ -1062,7 +1191,7 @@
ath10k_stop_cac(ar);
- if (!ar->radar_enabled)
+ if (!ath10k_mac_has_radar_enabled(ar))
return;
if (ar->num_started_vdevs > 0)
@@ -1113,10 +1242,11 @@
return ret;
}
-static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, bool restart)
+static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
+ const struct cfg80211_chan_def *chandef,
+ bool restart)
{
struct ath10k *ar = arvif->ar;
- struct cfg80211_chan_def *chandef = &ar->chandef;
struct wmi_vdev_start_request_arg arg = {};
int ret = 0, ret2;
@@ -1190,14 +1320,16 @@
return ret;
}
-static int ath10k_vdev_start(struct ath10k_vif *arvif)
+static int ath10k_vdev_start(struct ath10k_vif *arvif,
+ const struct cfg80211_chan_def *def)
{
- return ath10k_vdev_start_restart(arvif, false);
+ return ath10k_vdev_start_restart(arvif, def, false);
}
-static int ath10k_vdev_restart(struct ath10k_vif *arvif)
+static int ath10k_vdev_restart(struct ath10k_vif *arvif,
+ const struct cfg80211_chan_def *def)
{
- return ath10k_vdev_start_restart(arvif, true);
+ return ath10k_vdev_start_restart(arvif, def, true);
}
static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
@@ -1344,6 +1476,80 @@
return 0;
}
+static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
+{
+ struct ath10k *ar = arvif->ar;
+ struct cfg80211_chan_def def;
+ int ret;
+
+ /* When originally vdev is started during assign_vif_chanctx() some
+ * information is missing, notably SSID. Firmware revisions with beacon
+ * offloading require the SSID to be provided during vdev (re)start to
+ * handle hidden SSID properly.
+ *
+ * Vdev restart must be done after vdev has been both started and
+ * upped. Otherwise some firmware revisions (at least 10.2) fail to
+ * deliver vdev restart response event causing timeouts during vdev
+ * syncing in ath10k.
+ *
+ * Note: The vdev down/up and template reinstallation could be skipped
+ * since only wmi-tlv firmware are known to have beacon offload and
+ * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
+ * response delivery. It's probably more robust to keep it as is.
+ */
+ if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+ return 0;
+
+ if (WARN_ON(!arvif->is_started))
+ return -EINVAL;
+
+ if (WARN_ON(!arvif->is_up))
+ return -EINVAL;
+
+ if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
+ return -EINVAL;
+
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret) {
+ ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
+ * firmware will crash upon vdev up.
+ */
+
+ ret = ath10k_mac_setup_bcn_tmpl(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_mac_setup_prb_tmpl(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to update presp template: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_vdev_restart(arvif, &def);
+ if (ret) {
+ ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
+ arvif->bssid);
+ if (ret) {
+ ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static void ath10k_control_beaconing(struct ath10k_vif *arvif,
struct ieee80211_bss_conf *info)
{
@@ -1353,9 +1559,11 @@
lockdep_assert_held(&arvif->ar->conf_mutex);
if (!info->enable_beacon) {
- ath10k_vdev_stop(arvif);
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
+ arvif->vdev_id, ret);
- arvif->is_started = false;
arvif->is_up = false;
spin_lock_bh(&arvif->ar->data_lock);
@@ -1367,10 +1575,6 @@
arvif->tx_seq_no = 0x1000;
- ret = ath10k_vdev_start(arvif);
- if (ret)
- return;
-
arvif->aid = 0;
ether_addr_copy(arvif->bssid, info->bssid);
@@ -1379,13 +1583,18 @@
if (ret) {
ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
arvif->vdev_id, ret);
- ath10k_vdev_stop(arvif);
return;
}
- arvif->is_started = true;
arvif->is_up = true;
+ ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
+ if (ret) {
+ ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
+ arvif->vdev_id, ret);
+ return;
+ }
+
ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
}
@@ -1754,15 +1963,18 @@
struct wmi_peer_assoc_complete_arg *arg)
{
struct ieee80211_bss_conf *info = &vif->bss_conf;
+ struct cfg80211_chan_def def;
struct cfg80211_bss *bss;
const u8 *rsnie = NULL;
const u8 *wpaie = NULL;
lockdep_assert_held(&ar->conf_mutex);
- bss = cfg80211_get_bss(ar->hw->wiphy, ar->hw->conf.chandef.chan,
- info->bssid, NULL, 0, IEEE80211_BSS_TYPE_ANY,
- IEEE80211_PRIVACY_ANY);
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
+ IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
if (bss) {
const struct cfg80211_bss_ies *ies;
@@ -1792,10 +2004,12 @@
}
static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct wmi_peer_assoc_complete_arg *arg)
{
struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
+ struct cfg80211_chan_def def;
const struct ieee80211_supported_band *sband;
const struct ieee80211_rate *rates;
u32 ratemask;
@@ -1804,8 +2018,11 @@
lockdep_assert_held(&ar->conf_mutex);
- sband = ar->hw->wiphy->bands[ar->hw->conf.chandef.chan->band];
- ratemask = sta->supp_rates[ar->hw->conf.chandef.chan->band];
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ sband = ar->hw->wiphy->bands[def.chan->band];
+ ratemask = sta->supp_rates[def.chan->band];
rates = sband->bitrates;
rateset->num_rates = 0;
@@ -1971,18 +2188,23 @@
}
static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
+ struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct wmi_peer_assoc_complete_arg *arg)
{
const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
+ struct cfg80211_chan_def def;
u8 ampdu_factor;
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
if (!vht_cap->vht_supported)
return;
arg->peer_flags |= WMI_PEER_VHT;
- if (ar->hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ)
+ if (def.chan->band == IEEE80211_BAND_2GHZ)
arg->peer_flags |= WMI_PEER_VHT_2G;
arg->peer_vht_caps = vht_cap->cap;
@@ -2059,9 +2281,13 @@
struct ieee80211_sta *sta,
struct wmi_peer_assoc_complete_arg *arg)
{
+ struct cfg80211_chan_def def;
enum wmi_phy_mode phymode = MODE_UNKNOWN;
- switch (ar->hw->conf.chandef.chan->band) {
+ if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
+ return;
+
+ switch (def.chan->band) {
case IEEE80211_BAND_2GHZ:
if (sta->vht_cap.vht_supported) {
if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
@@ -2123,9 +2349,9 @@
ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
ath10k_peer_assoc_h_crypto(ar, vif, arg);
- ath10k_peer_assoc_h_rates(ar, sta, arg);
+ ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
ath10k_peer_assoc_h_ht(ar, sta, arg);
- ath10k_peer_assoc_h_vht(ar, sta, arg);
+ ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
@@ -3211,6 +3437,7 @@
clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
ar->filter_flags = 0;
ar->monitor = false;
+ ar->monitor_arvif = NULL;
if (ar->monitor_started)
ath10k_monitor_stop(ar);
@@ -3452,42 +3679,15 @@
return ret;
}
-static const char *chandef_get_width(enum nl80211_chan_width width)
-{
- switch (width) {
- case NL80211_CHAN_WIDTH_20_NOHT:
- return "20 (noht)";
- case NL80211_CHAN_WIDTH_20:
- return "20";
- case NL80211_CHAN_WIDTH_40:
- return "40";
- case NL80211_CHAN_WIDTH_80:
- return "80";
- case NL80211_CHAN_WIDTH_80P80:
- return "80+80";
- case NL80211_CHAN_WIDTH_160:
- return "160";
- case NL80211_CHAN_WIDTH_5:
- return "5";
- case NL80211_CHAN_WIDTH_10:
- return "10";
- }
- return "?";
-}
-
-static void ath10k_config_chan(struct ath10k *ar)
+static void ath10k_mac_chan_reconfigure(struct ath10k *ar)
{
struct ath10k_vif *arvif;
+ struct cfg80211_chan_def def;
int ret;
lockdep_assert_held(&ar->conf_mutex);
- ath10k_dbg(ar, ATH10K_DBG_MAC,
- "mac config channel to %dMHz (cf1 %dMHz cf2 %dMHz width %s)\n",
- ar->chandef.chan->center_freq,
- ar->chandef.center_freq1,
- ar->chandef.center_freq2,
- chandef_get_width(ar->chandef.width));
+ ath10k_dbg(ar, ATH10K_DBG_MAC, "mac chan reconfigure\n");
/* First stop monitor interface. Some FW versions crash if there's a
* lone monitor interface. */
@@ -3531,7 +3731,10 @@
ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
ret);
- ret = ath10k_vdev_restart(arvif);
+ if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
+ continue;
+
+ ret = ath10k_vdev_restart(arvif, &def);
if (ret) {
ath10k_warn(ar, "failed to restart vdev %d: %d\n",
arvif->vdev_id, ret);
@@ -3618,26 +3821,6 @@
mutex_lock(&ar->conf_mutex);
- if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- ath10k_dbg(ar, ATH10K_DBG_MAC,
- "mac config channel %dMHz flags 0x%x radar %d\n",
- conf->chandef.chan->center_freq,
- conf->chandef.chan->flags,
- conf->radar_enabled);
-
- spin_lock_bh(&ar->data_lock);
- ar->rx_channel = conf->chandef.chan;
- spin_unlock_bh(&ar->data_lock);
-
- ar->radar_enabled = conf->radar_enabled;
- ath10k_recalc_radar_detection(ar);
-
- if (!cfg80211_chandef_identical(&ar->chandef, &conf->chandef)) {
- ar->chandef = conf->chandef;
- ath10k_config_chan(ar);
- }
- }
-
if (changed & IEEE80211_CONF_CHANGE_PS)
ath10k_config_ps(ar);
@@ -3881,6 +4064,15 @@
goto err_peer_delete;
}
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ ar->monitor_arvif = arvif;
+ ret = ath10k_monitor_recalc(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
+ goto err_peer_delete;
+ }
+ }
+
mutex_unlock(&ar->conf_mutex);
return 0;
@@ -3964,6 +4156,13 @@
ath10k_peer_cleanup(ar, arvif->vdev_id);
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ ar->monitor_arvif = NULL;
+ ret = ath10k_monitor_recalc(ar);
+ if (ret)
+ ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
+ }
+
mutex_unlock(&ar->conf_mutex);
}
@@ -4684,23 +4883,6 @@
goto exit;
}
- if (vif->type == NL80211_IFTYPE_STATION &&
- !sta->tdls) {
- WARN_ON(arvif->is_started);
-
- ret = ath10k_vdev_start(arvif);
- if (ret) {
- ath10k_warn(ar, "failed to start vdev %i: %d\n",
- arvif->vdev_id, ret);
- WARN_ON(ath10k_peer_delete(ar, arvif->vdev_id,
- sta->addr));
- ath10k_mac_dec_num_stations(arvif, sta);
- goto exit;
- }
-
- arvif->is_started = true;
- }
-
if (!sta->tdls)
goto exit;
@@ -4756,18 +4938,6 @@
"mac vdev %d peer delete %pM (sta gone)\n",
arvif->vdev_id, sta->addr);
- if (vif->type == NL80211_IFTYPE_STATION &&
- !sta->tdls) {
- WARN_ON(!arvif->is_started);
-
- ret = ath10k_vdev_stop(arvif);
- if (ret)
- ath10k_warn(ar, "failed to stop vdev %i: %d\n",
- arvif->vdev_id, ret);
-
- arvif->is_started = false;
- }
-
ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
if (ret)
ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
@@ -5534,15 +5704,21 @@
const struct cfg80211_bitrate_mask *mask)
{
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+ struct cfg80211_chan_def def;
struct ath10k *ar = arvif->ar;
- enum ieee80211_band band = ar->hw->conf.chandef.chan->band;
+ enum ieee80211_band band;
u8 fixed_rate = WMI_FIXED_RATE_NONE;
u8 fixed_nss = ar->num_rf_chains;
u8 force_sgi;
+ if (ath10k_mac_vif_chan(vif, &def))
+ return -EPERM;
+
if (ar->cfg_tx_chainmask)
fixed_nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
+ band = def.chan->band;
+
force_sgi = mask->control[band].gi;
if (force_sgi == NL80211_TXRATE_FORCE_LGI)
return -EINVAL;
@@ -5679,6 +5855,286 @@
return -EINVAL;
}
+static void
+ath10k_mac_update_rx_channel(struct ath10k *ar)
+{
+ struct cfg80211_chan_def *def = NULL;
+
+ /* Both locks are required because ar->rx_channel is modified. This
+ * allows readers to hold either lock.
+ */
+ lockdep_assert_held(&ar->conf_mutex);
+ lockdep_assert_held(&ar->data_lock);
+
+ /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
+ * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
+ * ppdu on Rx may reduce performance on low-end systems. It should be
+ * possible to make tables/hashmaps to speed the lookup up (be vary of
+ * cpu data cache lines though regarding sizes) but to keep the initial
+ * implementation simple and less intrusive fallback to the slow lookup
+ * only for multi-channel cases. Single-channel cases will remain to
+ * use the old channel derival and thus performance should not be
+ * affected much.
+ */
+ rcu_read_lock();
+ if (ath10k_mac_num_chanctxs(ar) == 1) {
+ ieee80211_iter_chan_contexts_atomic(ar->hw,
+ ath10k_mac_get_any_chandef_iter,
+ &def);
+ ar->rx_channel = def->chan;
+ } else {
+ ar->rx_channel = NULL;
+ }
+ rcu_read_unlock();
+}
+
+static void
+ath10k_mac_chan_ctx_init(struct ath10k *ar,
+ struct ath10k_chanctx *arctx,
+ struct ieee80211_chanctx_conf *conf)
+{
+ lockdep_assert_held(&ar->conf_mutex);
+ lockdep_assert_held(&ar->data_lock);
+
+ memset(arctx, 0, sizeof(*arctx));
+
+ arctx->conf = *conf;
+}
+
+static int
+ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_chanctx *arctx = (void *)ctx->drv_priv;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx add freq %hu width %d ptr %p\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx);
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ ath10k_mac_chan_ctx_init(ar, arctx, ctx);
+ ath10k_mac_update_rx_channel(ar);
+ spin_unlock_bh(&ar->data_lock);
+
+ ath10k_recalc_radar_detection(ar);
+ ath10k_monitor_recalc(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+
+ return 0;
+}
+
+static void
+ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx remove freq %hu width %d ptr %p\n",
+ ctx->def.chan->center_freq, ctx->def.width, ctx);
+
+ mutex_lock(&ar->conf_mutex);
+
+ spin_lock_bh(&ar->data_lock);
+ ath10k_mac_update_rx_channel(ar);
+ spin_unlock_bh(&ar->data_lock);
+
+ ath10k_recalc_radar_detection(ar);
+ ath10k_monitor_recalc(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static void
+ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *ctx,
+ u32 changed)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_chanctx *arctx = (void *)ctx->drv_priv;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx change freq %hu->%hu width %d->%d ptr %p changed %x\n",
+ arctx->conf.def.chan->center_freq,
+ ctx->def.chan->center_freq,
+ arctx->conf.def.width, ctx->def.width,
+ ctx, changed);
+
+ /* This shouldn't really happen because channel switching should use
+ * switch_vif_chanctx().
+ */
+ if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
+ goto unlock;
+
+ spin_lock_bh(&ar->data_lock);
+ arctx->conf = *ctx;
+ spin_unlock_bh(&ar->data_lock);
+
+ ath10k_recalc_radar_detection(ar);
+
+ /* FIXME: How to configure Rx chains properly? */
+
+ /* No other actions are actually necessary. Firmware maintains channel
+ * definitions per vdev internally and there's no host-side channel
+ * context abstraction to configure, e.g. channel width.
+ */
+
+unlock:
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int
+ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_chanctx *arctx = (void *)ctx->drv_priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx assign ptr %p vdev_id %i\n",
+ ctx, arvif->vdev_id);
+
+ if (WARN_ON(arvif->is_started)) {
+ mutex_unlock(&ar->conf_mutex);
+ return -EBUSY;
+ }
+
+ ret = ath10k_vdev_start(arvif, &arctx->conf.def);
+ if (ret) {
+ ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
+ arvif->vdev_id, vif->addr,
+ arctx->conf.def.chan->center_freq, ret);
+ goto err;
+ }
+
+ arvif->is_started = true;
+
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
+ if (ret) {
+ ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
+ arvif->vdev_id, ret);
+ goto err_stop;
+ }
+
+ arvif->is_up = true;
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+ return 0;
+
+err_stop:
+ ath10k_vdev_stop(arvif);
+ arvif->is_started = false;
+
+err:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static void
+ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ int ret;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx unassign ptr %p vdev_id %i\n",
+ ctx, arvif->vdev_id);
+
+ WARN_ON(!arvif->is_started);
+
+ if (vif->type == NL80211_IFTYPE_MONITOR) {
+ WARN_ON(!arvif->is_up);
+
+ ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
+ if (ret)
+ ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_up = false;
+ }
+
+ ret = ath10k_vdev_stop(arvif);
+ if (ret)
+ ath10k_warn(ar, "failed to stop vdev %i: %d\n",
+ arvif->vdev_id, ret);
+
+ arvif->is_started = false;
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int
+ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode)
+{
+ struct ath10k *ar = hw->priv;
+ struct ath10k_vif *arvif;
+ struct ath10k_chanctx *arctx_new, *arctx_old;
+ int i;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx switch n_vifs %d mode %d\n",
+ n_vifs, mode);
+
+ spin_lock_bh(&ar->data_lock);
+ for (i = 0; i < n_vifs; i++) {
+ arvif = ath10k_vif_to_arvif(vifs[i].vif);
+ arctx_new = (void *)vifs[i].new_ctx->drv_priv;
+ arctx_old = (void *)vifs[i].old_ctx->drv_priv;
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d ptr %p->%p\n",
+ arvif->vdev_id,
+ vifs[i].old_ctx->def.chan->center_freq,
+ vifs[i].new_ctx->def.chan->center_freq,
+ vifs[i].old_ctx->def.width,
+ vifs[i].new_ctx->def.width,
+ arctx_old, arctx_new);
+
+ if (mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
+ ath10k_mac_chan_ctx_init(ar, arctx_new,
+ vifs[i].new_ctx);
+ }
+
+ arctx_new->conf = *vifs[i].new_ctx;
+
+ /* FIXME: ath10k_mac_chan_reconfigure() uses current, i.e. not
+ * yet updated chanctx_conf pointer.
+ */
+ arctx_old->conf = *vifs[i].new_ctx;
+ }
+ ath10k_mac_update_rx_channel(ar);
+ spin_unlock_bh(&ar->data_lock);
+
+ /* FIXME: Reconfigure only affected vifs */
+ ath10k_mac_chan_reconfigure(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+ return 0;
+}
+
static const struct ieee80211_ops ath10k_ops = {
.tx = ath10k_tx,
.start = ath10k_start,
@@ -5710,6 +6166,12 @@
.get_et_sset_count = ath10k_debug_get_et_sset_count,
.get_et_stats = ath10k_debug_get_et_stats,
.get_et_strings = ath10k_debug_get_et_strings,
+ .add_chanctx = ath10k_mac_op_add_chanctx,
+ .remove_chanctx = ath10k_mac_op_remove_chanctx,
+ .change_chanctx = ath10k_mac_op_change_chanctx,
+ .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
+ .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
+ .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
@@ -6083,7 +6545,9 @@
IEEE80211_HW_AP_LINK_PS |
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_SW_CRYPTO_CONTROL |
- IEEE80211_HW_CONNECTION_MONITOR;
+ IEEE80211_HW_CONNECTION_MONITOR |
+ IEEE80211_HW_WANT_MONITOR_VIF |
+ IEEE80211_HW_CHANCTX_STA_CSA;
ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
@@ -6100,6 +6564,7 @@
ar->hw->vif_data_size = sizeof(struct ath10k_vif);
ar->hw->sta_data_size = sizeof(struct ath10k_sta);
+ ar->hw->chanctx_data_size = sizeof(struct ath10k_chanctx);
ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;