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Date: Fri, 7 Jun 2019 08:03:08 +0200
From: Sebastian Gottschall <s.gottschall@...media-net.de>
To: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
Cc: Ryder Lee <ryder.lee@...iatek.com>, Felix Fietkau <nbd@....name>,
Roy Luo <royluo@...gle.com>, YF Luo <yf.luo@...iatek.com>,
Yiwei Chung <yiwei.chung@...iatek.com>,
Sean Wang <sean.wang@...iatek.com>,
Chih-Min Chen <chih-min.Chen@...iatek.com>,
linux-wireless <linux-wireless@...r.kernel.org>,
linux-mediatek@...ts.infradead.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] mt76: mt7615: enable support for mesh
Am 06.06.2019 um 18:19 schrieb Lorenzo Bianconi:
>> i tested your patch against a qca 9984 chipset using SAE and without
>> encryption. both did not work. the devices are connecting, but no data
>> connection is possible
> Hi Sebastian,
>
> I tested Ryder's patch using mt76x2 as mesh peer and it works fine for me.
> Could you please provide some more info?
the peer was a QCA9984 chipset running ath10k. the following wpa
supplicant config was used
and encryption clearly cannot work since mt76_wcid_key_setup does
trigger a bug since ieeee_get_key_rx_seq does not accept tid as
argument != 0 for aes_cmac (which is used for sae)
consider the same setup works with ath5k, 9k and 10k perfect with no
issues. in my test setup i also connected now 3 devices. 2 9984 and 1
mt7615 to ensure that all is working. the qca 9984 devices can ping each
other, only the mt7615 does not work. the setups are all identical
(except for ips)
fast_reauth=1
eapol_version=1
sae_groups=19 20 21
network={
disable_ht40=1
ssid="mt7615-24"
mode=5
frequency=2452
htmode=HT20
scan_ssid=1
key_mgmt=SAE
ieee80211w=2
noscan=1
pairwise=CCMP
group=CCMP
proto=RSN
sae_password="12345678"
}
and the bug again
WARNING: CPU: 2 PID: 22086 at
/home/seg/DEV/mt7621/src/router/private/compat-wireless-2017-09-03/net/mac80211/key.c:1096
mt76_wcid_key_setup+0x58/0x9c [mt76]
Modules linked in: shortcut_fe gcm ghash_generic ctr gf128mul mt7615e
mt76 mac80211 compat
CPU: 2 PID: 22086 Comm: wpa_supplicant Tainted: G W 4.14.123 #106
Stack : 00000000 87c2d000 00000000 8007d8b4 80480000 80482b9c 80610000
805a4390
8057e2b4 87c4b99c 870a59dc 805e4767 80578288 00000001 87c4b940
805e9f78
00000000 00000000 80640000 00000000 81147bb8 000006ce 00000007
00000000
00000000 80650000 80650000 20202020 80000000 00000000 80610000
872b9fe0
872a2b14 00000448 00000000 87c2d000 00000010 8022d660 00000008
80640008
...
Call Trace:
[<800153e0>] show_stack+0x58/0x100
[<8042e83c>] dump_stack+0x9c/0xe0
[<800349f0>] __warn+0xe4/0x144
[<8003468c>] warn_slowpath_null+0x1c/0x30
[<872b9fe0>] mt76_wcid_key_setup+0x58/0x9c [mt76]
[<87611690>] mt7615_eeprom_init+0x7b4/0xe9c [mt7615e]
---[ end trace e24aeb4b542e0df9 ]---
>
> Regards,
> Lorenzo
>
>>
>> Sebastian
>>
>> Am 03.06.2019 um 08:08 schrieb Ryder Lee:
>>> Enable NL80211_IFTYPE_MESH_POINT and update its path.
>>>
>>> Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
>>> ---
>>> Changes since v3 - fix a wrong expression
>>> Changes since v2 - remove unused definitions
>>> ---
>>> drivers/net/wireless/mediatek/mt76/mt7615/init.c | 6 ++++++
>>> drivers/net/wireless/mediatek/mt76/mt7615/main.c | 1 +
>>> drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 4 +++-
>>> drivers/net/wireless/mediatek/mt76/mt7615/mcu.h | 6 ------
>>> 4 files changed, 10 insertions(+), 7 deletions(-)
>>>
>>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
>>> index 59f604f3161f..f860af6a42da 100644
>>> --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
>>> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
>>> @@ -133,6 +133,9 @@ static const struct ieee80211_iface_limit if_limits[] = {
>>> {
>>> .max = MT7615_MAX_INTERFACES,
>>> .types = BIT(NL80211_IFTYPE_AP) |
>>> +#ifdef CONFIG_MAC80211_MESH
>>> + BIT(NL80211_IFTYPE_MESH_POINT) |
>>> +#endif
>>> BIT(NL80211_IFTYPE_STATION)
>>> }
>>> };
>>> @@ -195,6 +198,9 @@ int mt7615_register_device(struct mt7615_dev *dev)
>>> dev->mt76.antenna_mask = 0xf;
>>>
>>> wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
>>> +#ifdef CONFIG_MAC80211_MESH
>>> + BIT(NL80211_IFTYPE_MESH_POINT) |
>>> +#endif
>>> BIT(NL80211_IFTYPE_AP);
>>>
>>> ret = mt76_register_device(&dev->mt76, true, mt7615_rates,
>>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
>>> index b0bb7cc12385..585e67fa2728 100644
>>> --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
>>> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
>>> @@ -37,6 +37,7 @@ static int get_omac_idx(enum nl80211_iftype type, u32 mask)
>>>
>>> switch (type) {
>>> case NL80211_IFTYPE_AP:
>>> + case NL80211_IFTYPE_MESH_POINT:
>>> /* ap use hw bssid 0 and ext bssid */
>>> if (~mask & BIT(HW_BSSID_0))
>>> return HW_BSSID_0;
>>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
>>> index 43f70195244c..e82297048449 100644
>>> --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
>>> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
>>> @@ -754,6 +754,7 @@ int mt7615_mcu_set_bss_info(struct mt7615_dev *dev,
>>>
>>> switch (vif->type) {
>>> case NL80211_IFTYPE_AP:
>>> + case NL80211_IFTYPE_MESH_POINT:
>>> tx_wlan_idx = mvif->sta.wcid.idx;
>>> conn_type = CONNECTION_INFRA_AP;
>>> break;
>>> @@ -968,7 +969,7 @@ int mt7615_mcu_add_wtbl(struct mt7615_dev *dev, struct ieee80211_vif *vif,
>>> .rx_wtbl = {
>>> .tag = cpu_to_le16(WTBL_RX),
>>> .len = cpu_to_le16(sizeof(struct wtbl_rx)),
>>> - .rca1 = vif->type != NL80211_IFTYPE_AP,
>>> + .rca1 = vif->type == NL80211_IFTYPE_STATION,
>>> .rca2 = 1,
>>> .rv = 1,
>>> },
>>> @@ -1042,6 +1043,7 @@ static void sta_rec_convert_vif_type(enum nl80211_iftype type, u32 *conn_type)
>>> {
>>> switch (type) {
>>> case NL80211_IFTYPE_AP:
>>> + case NL80211_IFTYPE_MESH_POINT:
>>> if (conn_type)
>>> *conn_type = CONNECTION_INFRA_STA;
>>> break;
>>> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
>>> index e96efb13fa4d..0915cb735699 100644
>>> --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
>>> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
>>> @@ -105,25 +105,19 @@ enum {
>>> #define STA_TYPE_STA BIT(0)
>>> #define STA_TYPE_AP BIT(1)
>>> #define STA_TYPE_ADHOC BIT(2)
>>> -#define STA_TYPE_TDLS BIT(3)
>>> #define STA_TYPE_WDS BIT(4)
>>> #define STA_TYPE_BC BIT(5)
>>>
>>> #define NETWORK_INFRA BIT(16)
>>> #define NETWORK_P2P BIT(17)
>>> #define NETWORK_IBSS BIT(18)
>>> -#define NETWORK_MESH BIT(19)
>>> -#define NETWORK_BOW BIT(20)
>>> #define NETWORK_WDS BIT(21)
>>>
>>> #define CONNECTION_INFRA_STA (STA_TYPE_STA | NETWORK_INFRA)
>>> #define CONNECTION_INFRA_AP (STA_TYPE_AP | NETWORK_INFRA)
>>> #define CONNECTION_P2P_GC (STA_TYPE_STA | NETWORK_P2P)
>>> #define CONNECTION_P2P_GO (STA_TYPE_AP | NETWORK_P2P)
>>> -#define CONNECTION_MESH_STA (STA_TYPE_STA | NETWORK_MESH)
>>> -#define CONNECTION_MESH_AP (STA_TYPE_AP | NETWORK_MESH)
>>> #define CONNECTION_IBSS_ADHOC (STA_TYPE_ADHOC | NETWORK_IBSS)
>>> -#define CONNECTION_TDLS (STA_TYPE_STA | NETWORK_INFRA | STA_TYPE_TDLS)
>>> #define CONNECTION_WDS (STA_TYPE_WDS | NETWORK_WDS)
>>> #define CONNECTION_INFRA_BC (STA_TYPE_BC | NETWORK_INFRA)
>>>
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