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path: root/net/mac80211/rc80211_pid_algo.c
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Diffstat (limited to 'net/mac80211/rc80211_pid_algo.c')
-rw-r--r--net/mac80211/rc80211_pid_algo.c76
1 files changed, 41 insertions, 35 deletions
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index c339571632b..c5a607ca844 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -102,23 +102,23 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
struct rc_pid_rateinfo *rinfo)
{
struct ieee80211_sub_if_data *sdata;
- struct ieee80211_hw_mode *mode;
+ struct ieee80211_supported_band *sband;
int newidx;
int maxrate;
int back = (adj > 0) ? 1 : -1;
sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
- mode = local->oper_hw_mode;
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
maxrate = sdata->bss ? sdata->bss->max_ratectrl_rateidx : -1;
- newidx = rate_control_pid_shift_adjust(rinfo, adj, sta->txrate,
- mode->num_rates);
+ newidx = rate_control_pid_shift_adjust(rinfo, adj, sta->txrate_idx,
+ sband->n_bitrates);
- while (newidx != sta->txrate) {
- if (rate_supported(sta, mode, newidx) &&
+ while (newidx != sta->txrate_idx) {
+ if (rate_supported(sta, sband->band, newidx) &&
(maxrate < 0 || newidx <= maxrate)) {
- sta->txrate = newidx;
+ sta->txrate_idx = newidx;
break;
}
@@ -128,7 +128,7 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
#ifdef CONFIG_MAC80211_DEBUGFS
rate_control_pid_event_rate_change(
&((struct rc_pid_sta_info *)sta->rate_ctrl_priv)->events,
- newidx, mode->rates[newidx].rate);
+ newidx, sband->bitrates[newidx].bitrate);
#endif
}
@@ -155,7 +155,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
{
struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv;
struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
- struct ieee80211_hw_mode *mode;
+ struct ieee80211_supported_band *sband;
u32 pf;
s32 err_avg;
u32 err_prop;
@@ -164,7 +164,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
int adj, i, j, tmp;
unsigned long period;
- mode = local->oper_hw_mode;
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
spinfo = sta->rate_ctrl_priv;
/* In case nothing happened during the previous control interval, turn
@@ -190,18 +190,18 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
spinfo->tx_num_failed = 0;
/* If we just switched rate, update the rate behaviour info. */
- if (pinfo->oldrate != sta->txrate) {
+ if (pinfo->oldrate != sta->txrate_idx) {
i = rinfo[pinfo->oldrate].rev_index;
- j = rinfo[sta->txrate].rev_index;
+ j = rinfo[sta->txrate_idx].rev_index;
tmp = (pf - spinfo->last_pf);
tmp = RC_PID_DO_ARITH_RIGHT_SHIFT(tmp, RC_PID_ARITH_SHIFT);
rinfo[j].diff = rinfo[i].diff + tmp;
- pinfo->oldrate = sta->txrate;
+ pinfo->oldrate = sta->txrate_idx;
}
- rate_control_pid_normalize(pinfo, mode->num_rates);
+ rate_control_pid_normalize(pinfo, sband->n_bitrates);
/* Compute the proportional, integral and derivative errors. */
err_prop = (pinfo->target << RC_PID_ARITH_SHIFT) - pf;
@@ -242,8 +242,10 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
struct sta_info *sta;
struct rc_pid_sta_info *spinfo;
unsigned long period;
+ struct ieee80211_supported_band *sband;
sta = sta_info_get(local, hdr->addr1);
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
if (!sta)
return;
@@ -251,13 +253,13 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
/* Don't update the state if we're not controlling the rate. */
sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
- sta->txrate = sdata->bss->max_ratectrl_rateidx;
+ sta->txrate_idx = sdata->bss->max_ratectrl_rateidx;
return;
}
/* Ignore all frames that were sent with a different rate than the rate
* we currently advise mac80211 to use. */
- if (status->control.rate != &local->oper_hw_mode->rates[sta->txrate])
+ if (status->control.tx_rate != &sband->bitrates[sta->txrate_idx])
goto ignore;
spinfo = sta->rate_ctrl_priv;
@@ -304,7 +306,7 @@ ignore:
}
static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
- struct ieee80211_hw_mode *mode,
+ struct ieee80211_supported_band *sband,
struct sk_buff *skb,
struct rate_selection *sel)
{
@@ -322,7 +324,7 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
fc = le16_to_cpu(hdr->frame_control);
if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
is_multicast_ether_addr(hdr->addr1) || !sta) {
- sel->rate = rate_lowest(local, mode, sta);
+ sel->rate = rate_lowest(local, sband, sta);
if (sta)
sta_info_put(sta);
return;
@@ -331,23 +333,23 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
/* If a forced rate is in effect, select it. */
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
- sta->txrate = sdata->bss->force_unicast_rateidx;
+ sta->txrate_idx = sdata->bss->force_unicast_rateidx;
- rateidx = sta->txrate;
+ rateidx = sta->txrate_idx;
- if (rateidx >= mode->num_rates)
- rateidx = mode->num_rates - 1;
+ if (rateidx >= sband->n_bitrates)
+ rateidx = sband->n_bitrates - 1;
- sta->last_txrate = rateidx;
+ sta->last_txrate_idx = rateidx;
sta_info_put(sta);
- sel->rate = &mode->rates[rateidx];
+ sel->rate = &sband->bitrates[rateidx];
#ifdef CONFIG_MAC80211_DEBUGFS
rate_control_pid_event_tx_rate(
&((struct rc_pid_sta_info *) sta->rate_ctrl_priv)->events,
- rateidx, mode->rates[rateidx].rate);
+ rateidx, sband->bitrates[rateidx].bitrate);
#endif
}
@@ -359,28 +361,32 @@ static void rate_control_pid_rate_init(void *priv, void *priv_sta,
* as we need to have IEEE 802.1X auth succeed immediately after assoc..
* Until that method is implemented, we will use the lowest supported
* rate as a workaround. */
- sta->txrate = rate_lowest_index(local, local->oper_hw_mode, sta);
+ struct ieee80211_supported_band *sband;
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sta->txrate_idx = rate_lowest_index(local, sband, sta);
}
static void *rate_control_pid_alloc(struct ieee80211_local *local)
{
struct rc_pid_info *pinfo;
struct rc_pid_rateinfo *rinfo;
- struct ieee80211_hw_mode *mode;
+ struct ieee80211_supported_band *sband;
int i, j, tmp;
bool s;
#ifdef CONFIG_MAC80211_DEBUGFS
struct rc_pid_debugfs_entries *de;
#endif
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC);
if (!pinfo)
return NULL;
- /* We can safely assume that oper_hw_mode won't change unless we get
+ /* We can safely assume that sband won't change unless we get
* reinitialized. */
- mode = local->oper_hw_mode;
- rinfo = kmalloc(sizeof(*rinfo) * mode->num_rates, GFP_ATOMIC);
+ rinfo = kmalloc(sizeof(*rinfo) * sband->n_bitrates, GFP_ATOMIC);
if (!rinfo) {
kfree(pinfo);
return NULL;
@@ -389,7 +395,7 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
/* Sort the rates. This is optimized for the most common case (i.e.
* almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
* mapping too. */
- for (i = 0; i < mode->num_rates; i++) {
+ for (i = 0; i < sband->n_bitrates; i++) {
rinfo[i].index = i;
rinfo[i].rev_index = i;
if (pinfo->fast_start)
@@ -397,11 +403,11 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
else
rinfo[i].diff = i * pinfo->norm_offset;
}
- for (i = 1; i < mode->num_rates; i++) {
+ for (i = 1; i < sband->n_bitrates; i++) {
s = 0;
- for (j = 0; j < mode->num_rates - i; j++)
- if (unlikely(mode->rates[rinfo[j].index].rate >
- mode->rates[rinfo[j + 1].index].rate)) {
+ for (j = 0; j < sband->n_bitrates - i; j++)
+ if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
+ sband->bitrates[rinfo[j + 1].index].bitrate)) {
tmp = rinfo[j].index;
rinfo[j].index = rinfo[j + 1].index;
rinfo[j + 1].index = tmp;
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 12:20:32 +0000