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-rw-r--r--net/mac80211/chan.c67
-rw-r--r--net/mac80211/ieee80211_i.h3
-rw-r--r--net/mac80211/util.c2
3 files changed, 55 insertions, 17 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index a42ab3179d99..942c882f1a1d 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -295,17 +295,24 @@ ieee80211_get_max_required_bw(struct ieee80211_link_data *link)
static enum nl80211_chan_width
ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,
struct ieee80211_chanctx *ctx,
- struct ieee80211_link_data *rsvd_for)
+ struct ieee80211_link_data *rsvd_for,
+ bool check_reserved)
{
struct ieee80211_sub_if_data *sdata;
struct ieee80211_link_data *link;
enum nl80211_chan_width max_bw = NL80211_CHAN_WIDTH_20_NOHT;
+ if (WARN_ON(check_reserved && rsvd_for))
+ return ctx->conf.def.width;
+
for_each_sdata_link(local, link) {
enum nl80211_chan_width width = NL80211_CHAN_WIDTH_20_NOHT;
- if (link != rsvd_for &&
- rcu_access_pointer(link->conf->chanctx_conf) != &ctx->conf)
+ if (check_reserved) {
+ if (link->reserved_chanctx != ctx)
+ continue;
+ } else if (link != rsvd_for &&
+ rcu_access_pointer(link->conf->chanctx_conf) != &ctx->conf)
continue;
switch (link->sdata->vif.type) {
@@ -359,7 +366,8 @@ ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,
static u32
_ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
struct ieee80211_chanctx *ctx,
- struct ieee80211_link_data *rsvd_for)
+ struct ieee80211_link_data *rsvd_for,
+ bool check_reserved)
{
enum nl80211_chan_width max_bw;
struct cfg80211_chan_def min_def;
@@ -379,7 +387,8 @@ _ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
return 0;
}
- max_bw = ieee80211_get_chanctx_max_required_bw(local, ctx, rsvd_for);
+ max_bw = ieee80211_get_chanctx_max_required_bw(local, ctx, rsvd_for,
+ check_reserved);
/* downgrade chandef up to max_bw */
min_def = ctx->conf.def;
@@ -465,9 +474,11 @@ static void ieee80211_chan_bw_change(struct ieee80211_local *local,
*/
void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
struct ieee80211_chanctx *ctx,
- struct ieee80211_link_data *rsvd_for)
+ struct ieee80211_link_data *rsvd_for,
+ bool check_reserved)
{
- u32 changed = _ieee80211_recalc_chanctx_min_def(local, ctx, rsvd_for);
+ u32 changed = _ieee80211_recalc_chanctx_min_def(local, ctx, rsvd_for,
+ check_reserved);
if (!changed)
return;
@@ -515,7 +526,7 @@ static void _ieee80211_change_chanctx(struct ieee80211_local *local,
ieee80211_chan_bw_change(local, old_ctx, false, true);
if (ieee80211_chanreq_identical(&ctx_req, chanreq)) {
- ieee80211_recalc_chanctx_min_def(local, ctx, rsvd_for);
+ ieee80211_recalc_chanctx_min_def(local, ctx, rsvd_for, false);
return;
}
@@ -536,7 +547,7 @@ static void _ieee80211_change_chanctx(struct ieee80211_local *local,
ctx->conf.ap = chanreq->ap;
/* check if min chanctx also changed */
- changed |= _ieee80211_recalc_chanctx_min_def(local, ctx, rsvd_for);
+ changed |= _ieee80211_recalc_chanctx_min_def(local, ctx, rsvd_for, false);
ieee80211_add_wbrf(local, &ctx->conf.def);
@@ -663,7 +674,7 @@ ieee80211_alloc_chanctx(struct ieee80211_local *local,
ctx->conf.rx_chains_dynamic = 1;
ctx->mode = mode;
ctx->conf.radar_enabled = false;
- _ieee80211_recalc_chanctx_min_def(local, ctx, NULL);
+ _ieee80211_recalc_chanctx_min_def(local, ctx, NULL, false);
return ctx;
}
@@ -845,7 +856,7 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,
if (new_ctx) {
/* recalc considering the link we'll use it for now */
- ieee80211_recalc_chanctx_min_def(local, new_ctx, link);
+ ieee80211_recalc_chanctx_min_def(local, new_ctx, link, false);
ret = drv_assign_vif_chanctx(local, sdata, link->conf, new_ctx);
if (assign_on_failure || !ret) {
@@ -868,12 +879,12 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link,
ieee80211_recalc_chanctx_chantype(local, curr_ctx);
ieee80211_recalc_smps_chanctx(local, curr_ctx);
ieee80211_recalc_radar_chanctx(local, curr_ctx);
- ieee80211_recalc_chanctx_min_def(local, curr_ctx, NULL);
+ ieee80211_recalc_chanctx_min_def(local, curr_ctx, NULL, false);
}
if (new_ctx && ieee80211_chanctx_num_assigned(local, new_ctx) > 0) {
ieee80211_recalc_txpower(sdata, false);
- ieee80211_recalc_chanctx_min_def(local, new_ctx, NULL);
+ ieee80211_recalc_chanctx_min_def(local, new_ctx, NULL, false);
}
if (conf) {
@@ -1286,7 +1297,7 @@ ieee80211_link_use_reserved_reassign(struct ieee80211_link_data *link)
if (ieee80211_chanctx_refcount(local, old_ctx) == 0)
ieee80211_free_chanctx(local, old_ctx, false);
- ieee80211_recalc_chanctx_min_def(local, new_ctx, NULL);
+ ieee80211_recalc_chanctx_min_def(local, new_ctx, NULL, false);
ieee80211_recalc_smps_chanctx(local, new_ctx);
ieee80211_recalc_radar_chanctx(local, new_ctx);
@@ -1552,6 +1563,31 @@ static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
goto err;
}
+ /* update station rate control and min width before switch */
+ list_for_each_entry(ctx, &local->chanctx_list, list) {
+ struct ieee80211_link_data *link;
+
+ if (ctx->replace_state != IEEE80211_CHANCTX_REPLACES_OTHER)
+ continue;
+
+ if (WARN_ON(!ctx->replace_ctx)) {
+ err = -EINVAL;
+ goto err;
+ }
+
+ list_for_each_entry(link, &ctx->reserved_links,
+ reserved_chanctx_list) {
+ if (!ieee80211_link_has_in_place_reservation(link))
+ continue;
+
+ ieee80211_chan_bw_change(local,
+ ieee80211_link_get_chanctx(link),
+ true, true);
+ }
+
+ ieee80211_recalc_chanctx_min_def(local, ctx, NULL, true);
+ }
+
/*
* All necessary vifs are ready. Perform the switch now depending on
* reservations and driver capabilities.
@@ -1619,7 +1655,7 @@ static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
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, NULL);
+ ieee80211_recalc_chanctx_min_def(local, ctx, NULL, false);
list_for_each_entry_safe(link, link_tmp, &ctx->reserved_links,
reserved_chanctx_list) {
@@ -1632,6 +1668,7 @@ static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
link->reserved_chanctx = NULL;
ieee80211_link_chanctx_reservation_complete(link);
+ ieee80211_chan_bw_change(local, ctx, false, false);
}
/*
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 33b8efff92c1..501f02809135 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2624,7 +2624,8 @@ void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
struct ieee80211_chanctx *chanctx);
void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
struct ieee80211_chanctx *ctx,
- struct ieee80211_link_data *rsvd_for);
+ struct ieee80211_link_data *rsvd_for,
+ bool check_reserved);
bool ieee80211_is_radar_required(struct ieee80211_local *local);
void ieee80211_dfs_cac_timer_work(struct wiphy *wiphy, struct wiphy_work *work);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index c73ff7dfbdba..b3b8873a107b 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2334,7 +2334,7 @@ void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata,
chanctx = container_of(chanctx_conf, struct ieee80211_chanctx,
conf);
- ieee80211_recalc_chanctx_min_def(local, chanctx, NULL);
+ ieee80211_recalc_chanctx_min_def(local, chanctx, NULL, false);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 06:00:22 +0100