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mac80211: fix beacon IE power constraint handling

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SVN-Revision: 33583
This commit is contained in:
Felix Fietkau 2012-09-28 18:28:54 +00:00
parent c02bd635b2
commit d3add1f103
15 changed files with 191 additions and 23 deletions
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170
package/mac80211/patches/300-pending_work.patch
View file

@ -386,7 +386,90 @@
}
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1390,7 +1390,7 @@ static void ieee80211_set_disassoc(struc
@@ -818,23 +818,71 @@ void ieee80211_sta_process_chanswitch(st
}
static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
- u16 capab_info, u8 *pwr_constr_elem,
- u8 pwr_constr_elem_len)
+ struct ieee80211_channel *channel,
+ const u8 *country_ie, u8 country_ie_len,
+ const u8 *pwr_constr_elem)
{
- struct ieee80211_conf *conf = &sdata->local->hw.conf;
+ struct ieee80211_country_ie_triplet *triplet;
+ int chan = ieee80211_frequency_to_channel(channel->center_freq);
+ int i, chan_pwr, chan_increment, new_ap_level;
+ bool have_chan_pwr = false;
- if (!(capab_info & WLAN_CAPABILITY_SPECTRUM_MGMT))
+ /* Invalid IE */
+ if (country_ie_len % 2 || country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
return;
- /* Power constraint IE length should be 1 octet */
- if (pwr_constr_elem_len != 1)
- return;
+ triplet = (void *)(country_ie + 3);
+ country_ie_len -= 3;
- if ((*pwr_constr_elem <= conf->channel->max_reg_power) &&
- (*pwr_constr_elem != sdata->local->power_constr_level)) {
- sdata->local->power_constr_level = *pwr_constr_elem;
- ieee80211_hw_config(sdata->local, 0);
+ switch (channel->band) {
+ default:
+ WARN_ON_ONCE(1);
+ /* fall through */
+ case IEEE80211_BAND_2GHZ:
+ case IEEE80211_BAND_60GHZ:
+ chan_increment = 1;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ chan_increment = 4;
+ break;
}
+
+ /* find channel */
+ while (country_ie_len >= 3) {
+ u8 first_channel = triplet->chans.first_channel;
+
+ if (first_channel >= IEEE80211_COUNTRY_EXTENSION_ID)
+ goto next;
+
+ for (i = 0; i < triplet->chans.num_channels; i++) {
+ if (first_channel + i * chan_increment == chan) {
+ have_chan_pwr = true;
+ chan_pwr = triplet->chans.max_power;
+ break;
+ }
+ }
+ if (have_chan_pwr)
+ break;
+
+ next:
+ triplet++;
+ country_ie_len -= 3;
+ }
+
+ if (!have_chan_pwr)
+ return;
+
+ new_ap_level = max_t(int, 0, chan_pwr - *pwr_constr_elem);
+
+ if (sdata->local->ap_power_level == new_ap_level)
+ return;
+
+ sdata_info(sdata,
+ "Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
+ new_ap_level, chan_pwr, *pwr_constr_elem,
+ sdata->u.mgd.bssid);
+ sdata->local->ap_power_level = new_ap_level;
+ ieee80211_hw_config(sdata->local, 0);
}
void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
@@ -1390,7 +1438,7 @@ static void ieee80211_set_disassoc(struc
sta = sta_info_get(sdata, ifmgd->bssid);
if (sta) {
set_sta_flag(sta, WLAN_STA_BLOCK_BA);
@ -395,6 +478,38 @@
}
mutex_unlock(&local->sta_mtx);
@@ -1438,7 +1486,7 @@ static void ieee80211_set_disassoc(struc
memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
- local->power_constr_level = 0;
+ local->ap_power_level = 0;
del_timer_sync(&local->dynamic_ps_timer);
cancel_work_sync(&local->dynamic_ps_enable_work);
@@ -2530,15 +2578,13 @@ static void ieee80211_rx_mgmt_beacon(str
bssid, true);
}
- /* Note: country IE parsing is done for us by cfg80211 */
- if (elems.country_elem) {
- /* TODO: IBSS also needs this */
- if (elems.pwr_constr_elem)
- ieee80211_handle_pwr_constr(sdata,
- le16_to_cpu(mgmt->u.probe_resp.capab_info),
- elems.pwr_constr_elem,
- elems.pwr_constr_elem_len);
- }
+ if (elems.country_elem && elems.pwr_constr_elem &&
+ mgmt->u.probe_resp.capab_info &
+ cpu_to_le16(WLAN_CAPABILITY_SPECTRUM_MGMT))
+ ieee80211_handle_pwr_constr(sdata, local->oper_channel,
+ elems.country_elem,
+ elems.country_elem_len,
+ elems.pwr_constr_elem);
ieee80211_bss_info_change_notify(sdata, changed);
}
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -674,7 +674,7 @@ int __must_check __sta_info_destroy(stru
@ -422,3 +537,56 @@
default:
if (channel->band == IEEE80211_BAND_5GHZ) {
/* Both sample_freq and chip_freq are 40MHz */
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1062,7 +1062,7 @@ struct ieee80211_local {
bool disable_dynamic_ps;
int user_power_level; /* in dBm */
- int power_constr_level; /* in dBm */
+ int ap_power_level; /* in dBm */
enum ieee80211_smps_mode smps_mode;
@@ -1170,7 +1170,6 @@ struct ieee802_11_elems {
u8 prep_len;
u8 perr_len;
u8 country_elem_len;
- u8 pwr_constr_elem_len;
u8 quiet_elem_len;
u8 num_of_quiet_elem; /* can be more the one */
u8 timeout_int_len;
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -792,8 +792,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start
elems->country_elem_len = elen;
break;
case WLAN_EID_PWR_CONSTRAINT:
+ if (elen != 1) {
+ elem_parse_failed = true;
+ break;
+ }
elems->pwr_constr_elem = pos;
- elems->pwr_constr_elem_len = elen;
break;
case WLAN_EID_TIMEOUT_INTERVAL:
elems->timeout_int = pos;
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -154,13 +154,11 @@ int ieee80211_hw_config(struct ieee80211
if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
- test_bit(SCAN_HW_SCANNING, &local->scanning))
+ test_bit(SCAN_HW_SCANNING, &local->scanning) ||
+ !local->ap_power_level)
power = chan->max_power;
else
- power = local->power_constr_level ?
- min(chan->max_power,
- (chan->max_reg_power - local->power_constr_level)) :
- chan->max_power;
+ power = min(chan->max_power, local->ap_power_level);
if (local->user_power_level >= 0)
power = min(power, local->user_power_level);

2
package/mac80211/patches/402-ath9k-fix-invalid-mac-address-handling.patch
View file

@ -8,7 +8,7 @@
#include <asm/unaligned.h>
#include "hw.h"
@@ -523,8 +524,16 @@ static int ath9k_hw_init_macaddr(struct
@@ -523,8 +524,16 @@ static int ath9k_hw_init_macaddr(struct
common->macaddr[2 * i] = eeval >> 8;
common->macaddr[2 * i + 1] = eeval & 0xff;
}

2
package/mac80211/patches/411-ath5k_allow_adhoc_and_ap.patch
View file

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -89,13 +89,8 @@ ath5k_add_interface(struct ieee80211_hw
@@ -89,13 +89,8 @@ ath5k_add_interface(struct ieee80211_hw
goto end;
}

2
package/mac80211/patches/412-mac80211_allow_adhoc_and_ap.patch
View file

@ -1,6 +1,6 @@
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -794,17 +794,11 @@ int ieee80211_register_hw(struct ieee802
@@ -792,17 +792,11 @@ int ieee80211_register_hw(struct ieee802
*/
for (i = 0; i < hw->wiphy->n_iface_combinations; i++) {
const struct ieee80211_iface_combination *c;

2
package/mac80211/patches/431-add_platform_eeprom_support_to_ath5k.patch
View file

@ -17,7 +17,7 @@
*/
static bool
ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data)
@@ -82,6 +83,19 @@ ath5k_pci_eeprom_read(struct ath_common
@@ -82,6 +83,19 @@ ath5k_pci_eeprom_read(struct ath_common
struct ath5k_hw *ah = (struct ath5k_hw *) common->ah;
u32 status, timeout;

2
package/mac80211/patches/440-ath5k_channel_bw_debugfs.patch
View file

@ -101,7 +101,7 @@ drivers/net/wireless/ath/ath5k/debug.c | 86 ++++++++++++++++++++++++++++++++
/* debugfs: queues etc */
@@ -904,6 +987,9 @@ ath5k_debug_init_device(struct ath5k_hw
@@ -904,6 +987,9 @@ ath5k_debug_init_device(struct ath5k_hw
debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah,
&fops_beacon);

2
package/mac80211/patches/520-mac80211_cur_txpower.patch
View file

@ -22,7 +22,7 @@
}
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -167,6 +167,7 @@ int ieee80211_hw_config(struct ieee80211
@@ -165,6 +165,7 @@ int ieee80211_hw_config(struct ieee80211
if (local->hw.conf.power_level != power) {
changed |= IEEE80211_CONF_CHANGE_POWER;

6
package/mac80211/patches/522-ath9k_per_chain_signal_strength.patch
View file

@ -166,7 +166,7 @@
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -458,12 +458,12 @@ int ath9k_hw_process_rxdesc_edma(struct
@@ -458,12 +458,12 @@ int ath9k_hw_process_rxdesc_edma(struct
/* XXX: Keycache */
rxs->rs_rssi = MS(rxsp->status5, AR_RxRSSICombined);
@ -227,7 +227,7 @@
if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -997,12 +997,12 @@ void ath_debug_stat_rx(struct ath_softc
@@ -997,12 +997,12 @@ void ath_debug_stat_rx(struct ath_softc
#ifdef CONFIG_ATH9K_MAC_DEBUG
spin_lock(&sc->debug.samp_lock);
RX_SAMP_DBG(jiffies) = jiffies;
@ -363,7 +363,7 @@
* hardware stores this as 8 bit signed value.
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -529,14 +529,14 @@ void ath_ant_comb_scan(struct ath_softc
@@ -529,14 +529,14 @@ void ath_ant_comb_scan(struct ath_softc
struct ath_ant_comb *antcomb = &sc->ant_comb;
int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set;
int curr_main_set;

2
package/mac80211/patches/540-ath9k_extra_leds.patch
View file

@ -171,7 +171,7 @@
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -811,7 +811,7 @@ int ath9k_init_device(u16 devid, struct
@@ -811,7 +811,7 @@ int ath9k_init_device(u16 devid, struct
#ifdef CONFIG_MAC80211_LEDS
/* must be initialized before ieee80211_register_hw */

4
package/mac80211/patches/563-ath9k_rx_dma_stop_check.patch
View file

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -689,7 +689,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
@@ -689,7 +689,7 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
{
#define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
struct ath_common *common = ath9k_hw_common(ah);
@ -9,7 +9,7 @@
int i;
/* Enable access to the DMA observation bus */
@@ -719,6 +719,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
@@ -719,6 +719,16 @@ bool ath9k_hw_stopdmarecv(struct ath_hw
}
if (i == 0) {

8
package/mac80211/patches/603-rt2x00-introduce-rt2x00eeprom.patch
View file

@ -186,7 +186,7 @@
obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -89,20 +89,10 @@ static void rt2800pci_mcu_status(struct
@@ -89,20 +89,10 @@ static void rt2800pci_mcu_status(struct
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
}
@ -198,12 +198,12 @@
- memcpy_fromio(rt2x00dev->eeprom, base_addr, EEPROM_SIZE);
-
- iounmap(base_addr);
-}
+ memcpy(rt2x00dev->eeprom, rt2x00dev->eeprom_file->data, EEPROM_SIZE);
}
-#else
-static inline void rt2800pci_read_eeprom_soc(struct rt2x00_dev *rt2x00dev)
-{
+ memcpy(rt2x00dev->eeprom, rt2x00dev->eeprom_file->data, EEPROM_SIZE);
}
-}
-#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT305X */
#ifdef CONFIG_PCI

2
package/mac80211/patches/605-rt2x00-pci-eeprom.patch
View file

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -89,7 +89,7 @@ static void rt2800pci_mcu_status(struct
@@ -89,7 +89,7 @@ static void rt2800pci_mcu_status(struct
rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0);
}

2
package/mac80211/patches/620-rt2x00-support-rt3352.patch
View file

@ -127,7 +127,7 @@
}
static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
@@ -2961,11 +3038,15 @@ static int rt2800_init_registers(struct
@@ -2961,11 +3038,15 @@ static int rt2800_init_registers(struct
if (rt2x00_rt(rt2x00dev, RT3071) ||
rt2x00_rt(rt2x00dev, RT3090) ||
rt2x00_rt(rt2x00dev, RT3290) ||

4
package/mac80211/patches/849-brcmsmac-add-device-found-on-some-SoCs-like-the-bcm4.patch
View file

@ -10,7 +10,7 @@
BCMA_CORETABLE_END
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -734,7 +734,7 @@ static void brcms_c_ucode_bsinit(struct
@@ -734,7 +734,7 @@ static void brcms_c_ucode_bsinit(struct
brcms_c_write_mhf(wlc_hw, wlc_hw->band->mhfs);
/* do band-specific ucode IHR, SHM, and SCR inits */
@ -19,7 +19,7 @@
if (BRCMS_ISNPHY(wlc_hw->band))
brcms_c_write_inits(wlc_hw, ucode->d11n0bsinitvals16);
else
@@ -2259,7 +2259,7 @@ static void brcms_ucode_download(struct
@@ -2259,7 +2259,7 @@ static void brcms_ucode_download(struct
if (wlc_hw->ucode_loaded)
return;

4
package/mac80211/patches/851-brcmsmac-start-adding-support-for-core-rev-28.patch
View file

@ -10,7 +10,7 @@
MODULE_DEVICE_TABLE(bcma, brcms_coreid_table);
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -734,7 +734,7 @@ static void brcms_c_ucode_bsinit(struct
@@ -734,7 +734,7 @@ static void brcms_c_ucode_bsinit(struct
brcms_c_write_mhf(wlc_hw, wlc_hw->band->mhfs);
/* do band-specific ucode IHR, SHM, and SCR inits */
@ -19,7 +19,7 @@
if (BRCMS_ISNPHY(wlc_hw->band))
brcms_c_write_inits(wlc_hw, ucode->d11n0bsinitvals16);
else
@@ -2259,7 +2259,7 @@ static void brcms_ucode_download(struct
@@ -2259,7 +2259,7 @@ static void brcms_ucode_download(struct
if (wlc_hw->ucode_loaded)
return;