ieee80211_vif_change_channel() has no uses
anymore. sdata->csa_radar_required is also removed
because it is no longer used. Instead reservations
take care of tracking whether an interface
requires radar detection or not.
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
net/mac80211/cfg.c | 1 -
net/mac80211/chan.c | 64 ----------------------------------------------
net/mac80211/ieee80211_i.h | 5 ----
3 files changed, 70 deletions(-)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 3979f2f..de48653 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3350,7 +3350,6 @@ int __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
return err;
}
- sdata->csa_radar_required = params->radar_required;
sdata->csa_chandef = params->chandef;
sdata->csa_block_tx = params->block_tx;
sdata->vif.csa_active = true;
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 6f621ba..2a54dc4 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -800,70 +800,6 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
return ret;
}
-static int __ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_chanctx *ctx,
- u32 *changed)
-{
- struct ieee80211_local *local = sdata->local;
- const struct cfg80211_chan_def *chandef = &sdata->csa_chandef;
- u32 chanctx_changed = 0;
-
- if (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef,
- IEEE80211_CHAN_DISABLED))
- return -EINVAL;
-
- if (ieee80211_chanctx_refcount(local, ctx) != 1)
- return -EINVAL;
-
- if (sdata->vif.bss_conf.chandef.width != chandef->width) {
- chanctx_changed = IEEE80211_CHANCTX_CHANGE_WIDTH;
- *changed |= BSS_CHANGED_BANDWIDTH;
- }
-
- sdata->vif.bss_conf.chandef = *chandef;
- ctx->conf.def = *chandef;
-
- chanctx_changed |= IEEE80211_CHANCTX_CHANGE_CHANNEL;
- drv_change_chanctx(local, ctx, chanctx_changed);
-
- ieee80211_recalc_chanctx_chantype(local, ctx);
- ieee80211_recalc_smps_chanctx(local, ctx);
- ieee80211_recalc_radar_chanctx(local, ctx);
- ieee80211_recalc_chanctx_min_def(local, ctx);
-
- return 0;
-}
-
-int ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata,
- u32 *changed)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_chanctx_conf *conf;
- struct ieee80211_chanctx *ctx;
- int ret;
-
- lockdep_assert_held(&local->mtx);
-
- /* should never be called if not performing a channel switch. */
- if (WARN_ON(!sdata->vif.csa_active))
- return -EINVAL;
-
- mutex_lock(&local->chanctx_mtx);
- conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (!conf) {
- ret = -EINVAL;
- goto out;
- }
-
- ctx = container_of(conf, struct ieee80211_chanctx, conf);
-
- ret = __ieee80211_vif_change_channel(sdata, ctx, changed);
- out:
- mutex_unlock(&local->chanctx_mtx);
- return ret;
-}
-
static void
__ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
bool clear)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 82fedd9..3f46c6c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -755,7 +755,6 @@ struct ieee80211_sub_if_data {
struct work_struct csa_finalize_work;
int csa_counter_offset_beacon;
int csa_counter_offset_presp;
- bool csa_radar_required;
bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */
struct cfg80211_chan_def csa_chandef;
@@ -1795,10 +1794,6 @@ int __must_check
ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
const struct cfg80211_chan_def *chandef,
u32 *changed);
-/* NOTE: only use ieee80211_vif_change_channel() for channel switch */
-int __must_check
-ieee80211_vif_change_channel(struct ieee80211_sub_if_data *sdata,
- u32 *changed);
void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
--
1.8.5.3
--
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