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-rw-r--r--net/mac80211/debugfs_netdev.c9
-rw-r--r--net/mac80211/debugfs_sta.c1
-rw-r--r--net/mac80211/ieee80211_i.h32
-rw-r--r--net/mac80211/rx.c62
-rw-r--r--net/mac80211/sta_info.h4
-rw-r--r--net/mac80211/tx.c73
6 files changed, 12 insertions, 169 deletions
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 3ae5493d728..b2089b2da48 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -155,7 +155,6 @@ static const struct file_operations name##_ops = { \
__IEEE80211_IF_WFILE(name)
/* common attributes */
-IEEE80211_IF_FILE(channel_use, channel_use, DEC);
IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
/* STA/IBSS attributes */
@@ -248,7 +247,6 @@ IEEE80211_IF_WFILE(min_discovery_timeout,
static void add_sta_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_ADD(channel_use, sta);
DEBUGFS_ADD(drop_unencrypted, sta);
DEBUGFS_ADD(state, sta);
DEBUGFS_ADD(bssid, sta);
@@ -269,7 +267,6 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
static void add_ap_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_ADD(channel_use, ap);
DEBUGFS_ADD(drop_unencrypted, ap);
DEBUGFS_ADD(num_sta_ps, ap);
DEBUGFS_ADD(dtim_count, ap);
@@ -281,14 +278,12 @@ static void add_ap_files(struct ieee80211_sub_if_data *sdata)
static void add_wds_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_ADD(channel_use, wds);
DEBUGFS_ADD(drop_unencrypted, wds);
DEBUGFS_ADD(peer, wds);
}
static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_ADD(channel_use, vlan);
DEBUGFS_ADD(drop_unencrypted, vlan);
}
@@ -376,7 +371,6 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
static void del_sta_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_DEL(channel_use, sta);
DEBUGFS_DEL(drop_unencrypted, sta);
DEBUGFS_DEL(state, sta);
DEBUGFS_DEL(bssid, sta);
@@ -397,7 +391,6 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata)
static void del_ap_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_DEL(channel_use, ap);
DEBUGFS_DEL(drop_unencrypted, ap);
DEBUGFS_DEL(num_sta_ps, ap);
DEBUGFS_DEL(dtim_count, ap);
@@ -409,14 +402,12 @@ static void del_ap_files(struct ieee80211_sub_if_data *sdata)
static void del_wds_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_DEL(channel_use, wds);
DEBUGFS_DEL(drop_unencrypted, wds);
DEBUGFS_DEL(peer, wds);
}
static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_DEL(channel_use, vlan);
DEBUGFS_DEL(drop_unencrypted, vlan);
}
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index a2cc0284c9d..79a062782d5 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -66,7 +66,6 @@ STA_FILE(tx_retry_count, tx_retry_count, LU);
STA_FILE(last_signal, last_signal, D);
STA_FILE(last_qual, last_qual, D);
STA_FILE(last_noise, last_noise, D);
-STA_FILE(channel_use, channel_use, D);
STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 7d614cdcefc..3f8601cafff 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -201,7 +201,6 @@ struct ieee80211_rx_data {
unsigned int flags;
int sent_ps_buffered;
int queue;
- int load;
u32 tkip_iv32;
u16 tkip_iv16;
};
@@ -448,14 +447,11 @@ struct ieee80211_sub_if_data {
struct ieee80211_if_sta sta;
u32 mntr_flags;
} u;
- int channel_use;
- int channel_use_raw;
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *debugfsdir;
union {
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
struct dentry *state;
struct dentry *bssid;
@@ -474,7 +470,6 @@ struct ieee80211_sub_if_data {
struct dentry *num_beacons_sta;
} sta;
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
struct dentry *num_sta_ps;
struct dentry *dtim_count;
@@ -484,12 +479,10 @@ struct ieee80211_sub_if_data {
struct dentry *num_buffered_multicast;
} ap;
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
struct dentry *peer;
} wds;
struct {
- struct dentry *channel_use;
struct dentry *drop_unencrypted;
} vlan;
struct {
@@ -661,9 +654,6 @@ struct ieee80211_local {
assoc_led_name[32], radio_led_name[32];
#endif
- u32 channel_use;
- u32 channel_use_raw;
-
#ifdef CONFIG_MAC80211_DEBUGFS
struct work_struct sta_debugfs_add;
#endif
@@ -861,28 +851,6 @@ u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
/* ieee80211_ioctl.c */
extern const struct iw_handler_def ieee80211_iw_handler_def;
-
-
-/* Least common multiple of the used rates (in 100 kbps). This is used to
- * calculate rate_inv values for each rate so that only integers are needed. */
-#define CHAN_UTIL_RATE_LCM 95040
-/* 1 usec is 1/8 * (95040/10) = 1188 */
-#define CHAN_UTIL_PER_USEC 1188
-/* Amount of bits to shift the result right to scale the total utilization
- * to values that will not wrap around 32-bit integers. */
-#define CHAN_UTIL_SHIFT 9
-/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1):
- * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the
- * raw value with about 23 should give utilization in 10th of a percentage
- * (1/1000). However, utilization is only estimated and not all intervals
- * between frames etc. are calculated. 18 seems to give numbers that are closer
- * to the real maximum. */
-#define CHAN_UTIL_PER_10MS 18
-#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC)
-#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC)
-
-
-/* ieee80211_ioctl.c */
int ieee80211_set_freq(struct ieee80211_local *local, int freq);
/* ieee80211_sta.c */
void ieee80211_sta_timer(unsigned long data);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index cf0de3b0fe2..9400a9766a7 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -387,51 +387,9 @@ static void ieee80211_verify_ip_alignment(struct ieee80211_rx_data *rx)
}
-static u32 ieee80211_rx_load_stats(struct ieee80211_local *local,
- struct sk_buff *skb,
- struct ieee80211_rx_status *status,
- struct ieee80211_rate *rate)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u32 load = 0, hdrtime;
-
- /* Estimate total channel use caused by this frame */
-
- /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values,
- * 1 usec = 1/8 * (1080 / 10) = 13.5 */
-
- if (status->band == IEEE80211_BAND_5GHZ ||
- (status->band == IEEE80211_BAND_5GHZ &&
- rate->flags & IEEE80211_RATE_ERP_G))
- hdrtime = CHAN_UTIL_HDR_SHORT;
- else
- hdrtime = CHAN_UTIL_HDR_LONG;
-
- load = hdrtime;
- if (!is_multicast_ether_addr(hdr->addr1))
- load += hdrtime;
-
- /* TODO: optimise again */
- load += skb->len * CHAN_UTIL_RATE_LCM / rate->bitrate;
-
- /* Divide channel_use by 8 to avoid wrapping around the counter */
- load >>= CHAN_UTIL_SHIFT;
-
- return load;
-}
-
/* rx handlers */
static ieee80211_rx_result
-ieee80211_rx_h_if_stats(struct ieee80211_rx_data *rx)
-{
- if (rx->sta)
- rx->sta->channel_use_raw += rx->load;
- rx->sdata->channel_use_raw += rx->load;
- return RX_CONTINUE;
-}
-
-static ieee80211_rx_result
ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
{
struct ieee80211_local *local = rx->local;
@@ -1780,7 +1738,6 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx)
typedef ieee80211_rx_result (*ieee80211_rx_handler)(struct ieee80211_rx_data *);
static ieee80211_rx_handler ieee80211_rx_handlers[] =
{
- ieee80211_rx_h_if_stats,
ieee80211_rx_h_passive_scan,
ieee80211_rx_h_check,
ieee80211_rx_h_decrypt,
@@ -1939,7 +1896,6 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
struct sk_buff *skb,
struct ieee80211_rx_status *status,
- u32 load,
struct ieee80211_rate *rate)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -1958,7 +1914,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
rx.local = local;
rx.status = status;
- rx.load = load;
rx.rate = rate;
rx.fc = le16_to_cpu(hdr->frame_control);
type = rx.fc & IEEE80211_FCTL_FTYPE;
@@ -2067,7 +2022,6 @@ u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
struct ieee80211_rx_status status;
u16 head_seq_num, buf_size;
int index;
- u32 pkt_load;
struct ieee80211_supported_band *sband;
struct ieee80211_rate *rate;
@@ -2102,12 +2056,9 @@ u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
sizeof(status));
sband = local->hw.wiphy->bands[status.band];
rate = &sband->bitrates[status.rate_idx];
- pkt_load = ieee80211_rx_load_stats(local,
- tid_agg_rx->reorder_buf[index],
- &status, rate);
__ieee80211_rx_handle_packet(hw,
tid_agg_rx->reorder_buf[index],
- &status, pkt_load, rate);
+ &status, rate);
tid_agg_rx->stored_mpdu_num--;
tid_agg_rx->reorder_buf[index] = NULL;
}
@@ -2149,11 +2100,8 @@ u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
sizeof(status));
sband = local->hw.wiphy->bands[status.band];
rate = &sband->bitrates[status.rate_idx];
- pkt_load = ieee80211_rx_load_stats(local,
- tid_agg_rx->reorder_buf[index],
- &status, rate);
__ieee80211_rx_handle_packet(hw, tid_agg_rx->reorder_buf[index],
- &status, pkt_load, rate);
+ &status, rate);
tid_agg_rx->stored_mpdu_num--;
tid_agg_rx->reorder_buf[index] = NULL;
tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
@@ -2232,7 +2180,6 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_rx_status *status)
{
struct ieee80211_local *local = hw_to_local(hw);
- u32 pkt_load;
struct ieee80211_rate *rate = NULL;
struct ieee80211_supported_band *sband;
@@ -2272,11 +2219,8 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
return;
}
- pkt_load = ieee80211_rx_load_stats(local, skb, status, rate);
- local->channel_use_raw += pkt_load;
-
if (!ieee80211_rx_reorder_ampdu(local, skb))
- __ieee80211_rx_handle_packet(hw, skb, status, pkt_load, rate);
+ __ieee80211_rx_handle_packet(hw, skb, status, rate);
rcu_read_unlock();
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index f592290e42b..95753f860ac 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -245,10 +245,6 @@ struct sta_info {
unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
#endif
- /* Debug counters, no locking doesn't matter */
- int channel_use;
- int channel_use_raw;
-
/*
* Aggregation information, locked with lock.
*/
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9273651d3d7..baa1be0671e 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -761,73 +761,18 @@ ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx)
static ieee80211_tx_result
ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
{
- struct ieee80211_local *local = tx->local;
- struct sk_buff *skb = tx->skb;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u32 load = 0, hdrtime;
- struct ieee80211_rate *rate;
- struct ieee80211_supported_band *sband;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
- sband = tx->local->hw.wiphy->bands[tx->channel->band];
- rate = &sband->bitrates[tx->rate_idx];
-
- /* TODO: this could be part of tx_status handling, so that the number
- * of retries would be known; TX rate should in that case be stored
- * somewhere with the packet */
-
- /* Estimate total channel use caused by this frame */
-
- /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values,
- * 1 usec = 1/8 * (1080 / 10) = 13.5 */
-
- if (tx->channel->band == IEEE80211_BAND_5GHZ ||
- (tx->channel->band == IEEE80211_BAND_2GHZ &&
- rate->flags & IEEE80211_RATE_ERP_G))
- hdrtime = CHAN_UTIL_HDR_SHORT;
- else
- hdrtime = CHAN_UTIL_HDR_LONG;
-
- load = hdrtime;
- if (!is_multicast_ether_addr(hdr->addr1))
- load += hdrtime;
-
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
- load += 2 * hdrtime;
- else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
- load += hdrtime;
+ int i;
- /* TODO: optimise again */
- load += skb->len * CHAN_UTIL_RATE_LCM / rate->bitrate;
+ if (!tx->sta)
+ return TX_CONTINUE;
+ tx->sta->tx_packets++;
+ tx->sta->tx_fragments++;
+ tx->sta->tx_bytes += tx->skb->len;
if (tx->extra_frag) {
- int i;
- for (i = 0; i < tx->num_extra_frag; i++) {
- load += 2 * hdrtime;
- load += tx->extra_frag[i]->len *
- rate->bitrate;
- }
- }
-
- /* Divide channel_use by 8 to avoid wrapping around the counter */
- load >>= CHAN_UTIL_SHIFT;
- local->channel_use_raw += load;
- if (tx->sta)
- tx->sta->channel_use_raw += load;
- tx->sdata->channel_use_raw += load;
-
- if (tx->sta) {
- tx->sta->tx_packets++;
- tx->sta->tx_fragments++;
- tx->sta->tx_bytes += tx->skb->len;
- if (tx->extra_frag) {
- int i;
- tx->sta->tx_fragments += tx->num_extra_frag;
- for (i = 0; i < tx->num_extra_frag; i++) {
- tx->sta->tx_bytes +=
- tx->extra_frag[i]->len;
- }
- }
+ tx->sta->tx_fragments += tx->num_extra_frag;
+ for (i = 0; i < tx->num_extra_frag; i++)
+ tx->sta->tx_bytes += tx->extra_frag[i]->len;
}
return TX_CONTINUE;
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-14 18:22:53 +0000