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authorJohannes Berg <johannes.berg@intel.com>2014-07-25 15:01:59 +0200
committerJohannes Berg <johannes.berg@intel.com>2014-08-26 11:15:35 +0200
commit649b2a4da5d8a39c4d7be2fd228cf797819656f9 (patch)
tree5c051ac462a2ae57f0fc2cae06e6b480a6818adb /net/mac80211/chan.c
parentf8134fed8346c05007ca23e22e1504097afcd7c9 (diff)
downloadlinux-sh-649b2a4da5d8a39c4d7be2fd228cf797819656f9.tar.gz
mac80211: make ieee80211_vif_use_reserved_switch static
Reorder some code to make ieee80211_vif_use_reserved_switch() static, no other changes. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/chan.c')
-rw-r--r--net/mac80211/chan.c187
1 files changed, 93 insertions, 94 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 6d537f03c0ba..792eac6cc7b3 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -637,41 +637,6 @@ out:
return ret;
}
-static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_chanctx_conf *conf;
- struct ieee80211_chanctx *ctx;
- bool use_reserved_switch = false;
-
- lockdep_assert_held(&local->chanctx_mtx);
-
- conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (!conf)
- return;
-
- ctx = container_of(conf, struct ieee80211_chanctx, conf);
-
- if (sdata->reserved_chanctx) {
- if (sdata->reserved_chanctx->replace_state ==
- IEEE80211_CHANCTX_REPLACES_OTHER &&
- ieee80211_chanctx_num_reserved(local,
- sdata->reserved_chanctx) > 1)
- use_reserved_switch = true;
-
- ieee80211_vif_unreserve_chanctx(sdata);
- }
-
- ieee80211_assign_vif_chanctx(sdata, NULL);
- if (ieee80211_chanctx_refcount(local, ctx) == 0)
- ieee80211_free_chanctx(local, ctx);
-
- /* Unreserving may ready an in-place reservation. */
- if (use_reserved_switch)
- ieee80211_vif_use_reserved_switch(local);
-}
-
void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *chanctx)
{
@@ -762,63 +727,6 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
drv_change_chanctx(local, chanctx, IEEE80211_CHANCTX_CHANGE_RX_CHAINS);
}
-int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
- const struct cfg80211_chan_def *chandef,
- enum ieee80211_chanctx_mode mode)
-{
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_chanctx *ctx;
- u8 radar_detect_width = 0;
- int ret;
-
- lockdep_assert_held(&local->mtx);
-
- WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev));
-
- mutex_lock(&local->chanctx_mtx);
-
- ret = cfg80211_chandef_dfs_required(local->hw.wiphy,
- chandef,
- sdata->wdev.iftype);
- if (ret < 0)
- goto out;
- if (ret > 0)
- radar_detect_width = BIT(chandef->width);
-
- sdata->radar_required = ret;
-
- ret = ieee80211_check_combinations(sdata, chandef, mode,
- radar_detect_width);
- if (ret < 0)
- goto out;
-
- __ieee80211_vif_release_channel(sdata);
-
- ctx = ieee80211_find_chanctx(local, chandef, mode);
- if (!ctx)
- ctx = ieee80211_new_chanctx(local, chandef, mode);
- if (IS_ERR(ctx)) {
- ret = PTR_ERR(ctx);
- goto out;
- }
-
- sdata->vif.bss_conf.chandef = *chandef;
-
- ret = ieee80211_assign_vif_chanctx(sdata, ctx);
- if (ret) {
- /* if assign fails refcount stays the same */
- if (ieee80211_chanctx_refcount(local, ctx) == 0)
- ieee80211_free_chanctx(local, ctx);
- goto out;
- }
-
- ieee80211_recalc_smps_chanctx(local, ctx);
- ieee80211_recalc_radar_chanctx(local, ctx);
- out:
- mutex_unlock(&local->chanctx_mtx);
- return ret;
-}
-
static void
__ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
bool clear)
@@ -1267,8 +1175,7 @@ err:
return err;
}
-int
-ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
+static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata, *sdata_tmp;
struct ieee80211_chanctx *ctx, *ctx_tmp, *old_ctx;
@@ -1520,6 +1427,98 @@ err:
return err;
}
+static void __ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx_conf *conf;
+ struct ieee80211_chanctx *ctx;
+ bool use_reserved_switch = false;
+
+ lockdep_assert_held(&local->chanctx_mtx);
+
+ conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (!conf)
+ return;
+
+ ctx = container_of(conf, struct ieee80211_chanctx, conf);
+
+ if (sdata->reserved_chanctx) {
+ if (sdata->reserved_chanctx->replace_state ==
+ IEEE80211_CHANCTX_REPLACES_OTHER &&
+ ieee80211_chanctx_num_reserved(local,
+ sdata->reserved_chanctx) > 1)
+ use_reserved_switch = true;
+
+ ieee80211_vif_unreserve_chanctx(sdata);
+ }
+
+ ieee80211_assign_vif_chanctx(sdata, NULL);
+ if (ieee80211_chanctx_refcount(local, ctx) == 0)
+ ieee80211_free_chanctx(local, ctx);
+
+ /* Unreserving may ready an in-place reservation. */
+ if (use_reserved_switch)
+ ieee80211_vif_use_reserved_switch(local);
+}
+
+int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
+ const struct cfg80211_chan_def *chandef,
+ enum ieee80211_chanctx_mode mode)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_chanctx *ctx;
+ u8 radar_detect_width = 0;
+ int ret;
+
+ lockdep_assert_held(&local->mtx);
+
+ WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev));
+
+ mutex_lock(&local->chanctx_mtx);
+
+ ret = cfg80211_chandef_dfs_required(local->hw.wiphy,
+ chandef,
+ sdata->wdev.iftype);
+ if (ret < 0)
+ goto out;
+ if (ret > 0)
+ radar_detect_width = BIT(chandef->width);
+
+ sdata->radar_required = ret;
+
+ ret = ieee80211_check_combinations(sdata, chandef, mode,
+ radar_detect_width);
+ if (ret < 0)
+ goto out;
+
+ __ieee80211_vif_release_channel(sdata);
+
+ ctx = ieee80211_find_chanctx(local, chandef, mode);
+ if (!ctx)
+ ctx = ieee80211_new_chanctx(local, chandef, mode);
+ if (IS_ERR(ctx)) {
+ ret = PTR_ERR(ctx);
+ goto out;
+ }
+
+ sdata->vif.bss_conf.chandef = *chandef;
+
+ ret = ieee80211_assign_vif_chanctx(sdata, ctx);
+ if (ret) {
+ /* if assign fails refcount stays the same */
+ if (ieee80211_chanctx_refcount(local, ctx) == 0)
+ ieee80211_free_chanctx(local, ctx);
+ goto out;
+ }
+
+ ieee80211_recalc_smps_chanctx(local, ctx);
+ ieee80211_recalc_radar_chanctx(local, ctx);
+ out:
+ mutex_unlock(&local->chanctx_mtx);
+ return ret;
+}
+
int ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;