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Merge tag 'wireless-drivers-next-for-davem-2015-06-18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

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Kalle Valo says:

====================
Major changes:

mwifiex:

* enhancements for AP mode: support verbose information in station
  dump command and also information about AP link.
* enable power save by default

brcmfmac:

* fix module reload issue for PCIe
* improving msgbuf protocol for PCIe devices
* rework .get_station() cfg80211 callback operation
* determine interface combinations upon device feature support

ath9k:

* ath9k_htc: add support of channel switch

wil6210:

* add modparam for bcast ring size
* support hidden SSID
* add per-MCS Rx stats
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2015-06-23 01:03:18 -07:00
parent 10ea5165e4 40b503c764
commit fa433354f0
86 changed files with 1741 additions and 903 deletions
Download Patch File Download Diff File Expand all files Collapse all files

213
drivers/net/wireless/ath/ath10k/mac.c
View File

@@ -3949,83 +3949,6 @@ static int ath10k_config_ps(struct ath10k *ar)
return ret;
}
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 chan reconfigure\n");
/* First stop monitor interface. Some FW versions crash if there's a
* lone monitor interface. */
if (ar->monitor_started)
ath10k_monitor_stop(ar);
list_for_each_entry(arvif, &ar->arvifs, list) {
if (!arvif->is_started)
continue;
if (!arvif->is_up)
continue;
if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)
continue;
ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
if (ret) {
ath10k_warn(ar, "failed to down vdev %d: %d\n",
arvif->vdev_id, ret);
continue;
}
}
/* all vdevs are downed now - attempt to restart and re-up them */
list_for_each_entry(arvif, &ar->arvifs, list) {
if (!arvif->is_started)
continue;
if (arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)
continue;
ret = ath10k_mac_setup_bcn_tmpl(arvif);
if (ret)
ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
ret);
ret = ath10k_mac_setup_prb_tmpl(arvif);
if (ret)
ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
ret);
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);
continue;
}
if (!arvif->is_up)
continue;
ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
arvif->bssid);
if (ret) {
ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
arvif->vdev_id, ret);
continue;
}
}
ath10k_monitor_recalc(ar);
}
static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
{
int ret;
@@ -6144,7 +6067,10 @@ static int ath10k_ampdu_action(struct ieee80211_hw *hw,
}
static void
ath10k_mac_update_rx_channel(struct ath10k *ar)
ath10k_mac_update_rx_channel(struct ath10k *ar,
struct ieee80211_chanctx_conf *ctx,
struct ieee80211_vif_chanctx_switch *vifs,
int n_vifs)
{
struct cfg80211_chan_def *def = NULL;
@@ -6154,6 +6080,9 @@ ath10k_mac_update_rx_channel(struct ath10k *ar)
lockdep_assert_held(&ar->conf_mutex);
lockdep_assert_held(&ar->data_lock);
WARN_ON(ctx && vifs);
WARN_ON(vifs && n_vifs != 1);
/* 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
@@ -6165,36 +6094,28 @@ ath10k_mac_update_rx_channel(struct ath10k *ar)
* affected much.
*/
rcu_read_lock();
if (ath10k_mac_num_chanctxs(ar) == 1) {
if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
ieee80211_iter_chan_contexts_atomic(ar->hw,
ath10k_mac_get_any_chandef_iter,
&def);
if (vifs)
def = &vifs[0].new_ctx->def;
ar->rx_channel = def->chan;
} else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
ar->rx_channel = ctx->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",
@@ -6203,8 +6124,7 @@ ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
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);
ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
spin_unlock_bh(&ar->data_lock);
ath10k_recalc_radar_detection(ar);
@@ -6228,7 +6148,7 @@ ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
mutex_lock(&ar->conf_mutex);
spin_lock_bh(&ar->data_lock);
ath10k_mac_update_rx_channel(ar);
ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
spin_unlock_bh(&ar->data_lock);
ath10k_recalc_radar_detection(ar);
@@ -6243,16 +6163,12 @@ ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
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);
"mac chanctx change freq %hu width %d ptr %p changed %x\n",
ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
/* This shouldn't really happen because channel switching should use
* switch_vif_chanctx().
@@ -6260,10 +6176,6 @@ ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
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? */
@@ -6283,7 +6195,6 @@ ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
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;
@@ -6298,11 +6209,11 @@ ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
return -EBUSY;
}
ret = ath10k_vdev_start(arvif, &arctx->conf.def);
ret = ath10k_vdev_start(arvif, &ctx->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);
ctx->def.chan->center_freq, ret);
goto err;
}
@@ -6377,7 +6288,7 @@ ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
{
struct ath10k *ar = hw->priv;
struct ath10k_vif *arvif;
struct ath10k_chanctx *arctx_new, *arctx_old;
int ret;
int i;
mutex_lock(&ar->conf_mutex);
@@ -6386,38 +6297,81 @@ ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
"mac chanctx switch n_vifs %d mode %d\n",
n_vifs, mode);
spin_lock_bh(&ar->data_lock);
/* First stop monitor interface. Some FW versions crash if there's a
* lone monitor interface.
*/
if (ar->monitor_started)
ath10k_monitor_stop(ar);
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",
"mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\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);
vifs[i].new_ctx->def.width);
if (mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
ath10k_mac_chan_ctx_init(ar, arctx_new,
vifs[i].new_ctx);
if (WARN_ON(!arvif->is_started))
continue;
if (WARN_ON(!arvif->is_up))
continue;
ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
if (ret) {
ath10k_warn(ar, "failed to down vdev %d: %d\n",
arvif->vdev_id, ret);
continue;
}
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);
/* All relevant vdevs are downed and associated channel resources
* should be available for the channel switch now.
*/
spin_lock_bh(&ar->data_lock);
ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
spin_unlock_bh(&ar->data_lock);
/* FIXME: Reconfigure only affected vifs */
ath10k_mac_chan_reconfigure(ar);
for (i = 0; i < n_vifs; i++) {
arvif = ath10k_vif_to_arvif(vifs[i].vif);
if (WARN_ON(!arvif->is_started))
continue;
if (WARN_ON(!arvif->is_up))
continue;
ret = ath10k_mac_setup_bcn_tmpl(arvif);
if (ret)
ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
ret);
ret = ath10k_mac_setup_prb_tmpl(arvif);
if (ret)
ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
ret);
ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
if (ret) {
ath10k_warn(ar, "failed to restart vdev %d: %d\n",
arvif->vdev_id, ret);
continue;
}
ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
arvif->bssid);
if (ret) {
ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
arvif->vdev_id, ret);
continue;
}
}
ath10k_monitor_recalc(ar);
mutex_unlock(&ar->conf_mutex);
return 0;
@@ -6914,7 +6868,6 @@ int ath10k_mac_register(struct ath10k *ar)
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;