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Kirill Smelkov
linux
Commits
334300f2
Commit
334300f2
authored
Oct 18, 2013
by
John W. Linville
Browse files
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Plain Diff
Merge branch 'for-john' of
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
parents
8245d023
095d81ce
Changes
3
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Inline
Side-by-side
Showing
3 changed files
with
99 additions
and
12 deletions
+99
-12
net/mac80211/ieee80211_i.h
net/mac80211/ieee80211_i.h
+1
-0
net/mac80211/mlme.c
net/mac80211/mlme.c
+86
-9
net/mac80211/rate.c
net/mac80211/rate.c
+12
-3
No files found.
net/mac80211/ieee80211_i.h
View file @
334300f2
...
...
@@ -335,6 +335,7 @@ enum ieee80211_sta_flags {
IEEE80211_STA_DISABLE_VHT
=
BIT
(
11
),
IEEE80211_STA_DISABLE_80P80MHZ
=
BIT
(
12
),
IEEE80211_STA_DISABLE_160MHZ
=
BIT
(
13
),
IEEE80211_STA_DISABLE_WMM
=
BIT
(
14
),
};
struct
ieee80211_mgd_auth_data
{
...
...
net/mac80211/mlme.c
View file @
334300f2
...
...
@@ -2717,7 +2717,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
*/
ifmgd
->
wmm_last_param_set
=
-
1
;
if
(
elems
.
wmm_param
)
if
(
!
(
ifmgd
->
flags
&
IEEE80211_STA_DISABLE_WMM
)
&&
elems
.
wmm_param
)
ieee80211_sta_wmm_params
(
local
,
sdata
,
elems
.
wmm_param
,
elems
.
wmm_param_len
);
else
...
...
@@ -3152,7 +3152,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_process_chanswitch
(
sdata
,
rx_status
->
mactime
,
&
elems
,
true
);
if
(
ieee80211_sta_wmm_params
(
local
,
sdata
,
elems
.
wmm_param
,
if
(
!
(
ifmgd
->
flags
&
IEEE80211_STA_DISABLE_WMM
)
&&
ieee80211_sta_wmm_params
(
local
,
sdata
,
elems
.
wmm_param
,
elems
.
wmm_param_len
))
changed
|=
BSS_CHANGED_QOS
;
...
...
@@ -4135,6 +4136,44 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
return
err
;
}
static
bool
ieee80211_usable_wmm_params
(
struct
ieee80211_sub_if_data
*
sdata
,
const
u8
*
wmm_param
,
int
len
)
{
const
u8
*
pos
;
size_t
left
;
if
(
len
<
8
)
return
false
;
if
(
wmm_param
[
5
]
!=
1
/* version */
)
return
false
;
pos
=
wmm_param
+
8
;
left
=
len
-
8
;
for
(;
left
>=
4
;
left
-=
4
,
pos
+=
4
)
{
u8
aifsn
=
pos
[
0
]
&
0x0f
;
u8
ecwmin
=
pos
[
1
]
&
0x0f
;
u8
ecwmax
=
(
pos
[
1
]
&
0xf0
)
>>
4
;
int
aci
=
(
pos
[
0
]
>>
5
)
&
0x03
;
if
(
aifsn
<
2
)
{
sdata_info
(
sdata
,
"AP has invalid WMM params (AIFSN=%d for ACI %d), disabling WMM
\n
"
,
aifsn
,
aci
);
return
false
;
}
if
(
ecwmin
>
ecwmax
)
{
sdata_info
(
sdata
,
"AP has invalid WMM params (ECWmin/max=%d/%d for ACI %d), disabling WMM
\n
"
,
ecwmin
,
ecwmax
,
aci
);
return
false
;
}
}
return
true
;
}
int
ieee80211_mgd_assoc
(
struct
ieee80211_sub_if_data
*
sdata
,
struct
cfg80211_assoc_request
*
req
)
{
...
...
@@ -4192,9 +4231,45 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
/* prepare assoc data */
ifmgd
->
beacon_crc_valid
=
false
;
assoc_data
->
wmm
=
bss
->
wmm_used
&&
(
local
->
hw
.
queues
>=
IEEE80211_NUM_ACS
);
if
(
assoc_data
->
wmm
)
{
/* try to check validity of WMM params IE */
const
struct
cfg80211_bss_ies
*
ies
;
const
u8
*
wp
,
*
start
,
*
end
;
rcu_read_lock
();
ies
=
rcu_dereference
(
req
->
bss
->
ies
);
start
=
ies
->
data
;
end
=
start
+
ies
->
len
;
while
(
true
)
{
wp
=
cfg80211_find_vendor_ie
(
WLAN_OUI_MICROSOFT
,
WLAN_OUI_TYPE_MICROSOFT_WMM
,
start
,
end
-
start
);
if
(
!
wp
)
break
;
start
=
wp
+
wp
[
1
]
+
2
;
/* if this IE is too short, try the next */
if
(
wp
[
1
]
<=
4
)
continue
;
/* if this IE is WMM params, we found what we wanted */
if
(
wp
[
6
]
==
1
)
break
;
}
if
(
!
wp
||
!
ieee80211_usable_wmm_params
(
sdata
,
wp
+
2
,
wp
[
1
]
-
2
))
{
assoc_data
->
wmm
=
false
;
ifmgd
->
flags
|=
IEEE80211_STA_DISABLE_WMM
;
}
rcu_read_unlock
();
}
/*
* IEEE802.11n does not allow TKIP/WEP as pairwise ciphers in HT mode.
* We still associate in non-HT mode (11a/b/g) if any one of these
...
...
@@ -4224,18 +4299,22 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband
=
local
->
hw
.
wiphy
->
bands
[
req
->
bss
->
channel
->
band
];
if
(
!
sband
->
ht_cap
.
ht_supported
||
local
->
hw
.
queues
<
IEEE80211_NUM_ACS
||
!
bss
->
wmm_used
)
{
local
->
hw
.
queues
<
IEEE80211_NUM_ACS
||
!
bss
->
wmm_used
||
ifmgd
->
flags
&
IEEE80211_STA_DISABLE_WMM
)
{
ifmgd
->
flags
|=
IEEE80211_STA_DISABLE_HT
;
if
(
!
bss
->
wmm_used
)
if
(
!
bss
->
wmm_used
&&
!
(
ifmgd
->
flags
&
IEEE80211_STA_DISABLE_WMM
))
netdev_info
(
sdata
->
dev
,
"disabling HT as WMM/QoS is not supported by the AP
\n
"
);
}
/* disable VHT if we don't support it or the AP doesn't use WMM */
if
(
!
sband
->
vht_cap
.
vht_supported
||
local
->
hw
.
queues
<
IEEE80211_NUM_ACS
||
!
bss
->
wmm_used
)
{
local
->
hw
.
queues
<
IEEE80211_NUM_ACS
||
!
bss
->
wmm_used
||
ifmgd
->
flags
&
IEEE80211_STA_DISABLE_WMM
)
{
ifmgd
->
flags
|=
IEEE80211_STA_DISABLE_VHT
;
if
(
!
bss
->
wmm_used
)
if
(
!
bss
->
wmm_used
&&
!
(
ifmgd
->
flags
&
IEEE80211_STA_DISABLE_WMM
))
netdev_info
(
sdata
->
dev
,
"disabling VHT as WMM/QoS is not supported by the AP
\n
"
);
}
...
...
@@ -4264,8 +4343,6 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
sdata
->
smps_mode
=
ifmgd
->
req_smps
;
assoc_data
->
capability
=
req
->
bss
->
capability
;
assoc_data
->
wmm
=
bss
->
wmm_used
&&
(
local
->
hw
.
queues
>=
IEEE80211_NUM_ACS
);
assoc_data
->
supp_rates
=
bss
->
supp_rates
;
assoc_data
->
supp_rates_len
=
bss
->
supp_rates_len
;
...
...
net/mac80211/rate.c
View file @
334300f2
...
...
@@ -235,7 +235,8 @@ static void rc_send_low_basicrate(s8 *idx, u32 basic_rates,
static
void
__rate_control_send_low
(
struct
ieee80211_hw
*
hw
,
struct
ieee80211_supported_band
*
sband
,
struct
ieee80211_sta
*
sta
,
struct
ieee80211_tx_info
*
info
)
struct
ieee80211_tx_info
*
info
,
u32
rate_mask
)
{
int
i
;
u32
rate_flags
=
...
...
@@ -247,6 +248,12 @@ static void __rate_control_send_low(struct ieee80211_hw *hw,
info
->
control
.
rates
[
0
].
idx
=
0
;
for
(
i
=
0
;
i
<
sband
->
n_bitrates
;
i
++
)
{
if
(
!
(
rate_mask
&
BIT
(
i
)))
continue
;
if
((
rate_flags
&
sband
->
bitrates
[
i
].
flags
)
!=
rate_flags
)
continue
;
if
(
!
rate_supported
(
sta
,
sband
->
band
,
i
))
continue
;
...
...
@@ -274,7 +281,8 @@ bool rate_control_send_low(struct ieee80211_sta *pubsta,
bool
use_basicrate
=
false
;
if
(
!
pubsta
||
!
priv_sta
||
rc_no_data_or_no_ack_use_min
(
txrc
))
{
__rate_control_send_low
(
txrc
->
hw
,
sband
,
pubsta
,
info
);
__rate_control_send_low
(
txrc
->
hw
,
sband
,
pubsta
,
info
,
txrc
->
rate_idx_mask
);
if
(
!
pubsta
&&
txrc
->
bss
)
{
mcast_rate
=
txrc
->
bss_conf
->
mcast_rate
[
sband
->
band
];
...
...
@@ -656,7 +664,8 @@ void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
rate_control_apply_mask
(
sdata
,
sta
,
sband
,
info
,
dest
,
max_rates
);
if
(
dest
[
0
].
idx
<
0
)
__rate_control_send_low
(
&
sdata
->
local
->
hw
,
sband
,
sta
,
info
);
__rate_control_send_low
(
&
sdata
->
local
->
hw
,
sband
,
sta
,
info
,
sdata
->
rc_rateidx_mask
[
info
->
band
]);
if
(
sta
)
rate_fixup_ratelist
(
vif
,
sband
,
info
,
dest
,
max_rates
);
...
...
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