Re: ath10k: MESH points are associated ,but not pinging each other

From: "Valo, Kalle" <kvalo@qca.qualcomm.com>
To: kavitam <kavitam@cdot.in>
Cc: "ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: ath10k: MESH points are associated ,but not pinging each other
Date: Fri, 17 Feb 2017 13:45:56 +0000	[thread overview]
Message-ID: <87shndgcbw.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <23bb1977-84b5-23f7-2637-2016a1d4c864@cdot.in> (kavitam@cdot.in's message of "Fri, 17 Feb 2017 08:20:23 +0530")

kavitam <kavitam@cdot.in> writes:

> Hi All,
>
> I have created two mesh points on two different IEEE802.11
> system(t1024 based WiFi AP) using following steps:
>
> $sudo iw phy phy0 interface add mesh0 type mp
> $sudo ifconfig mesh0 0.0.0.0 up
> $sudo wpa_supplicant -Dnl80211 -B -i mesh0 -c 
> /mnt/jffs2/conf/mesh0_encp.conf
> $sleep 5
> $sudo brctl addif br0 mesh0
>
> Both Mesh points are associated.But  these points are not pinging from
> each other.Follwoing error message has been seen on the serial prompt
> while executing station dump on either of the system :
>
> $sudo iw mesh0 station dump
>
> WARNING: at faaf9548 [verbose debug info unavailable]
> Modules linked in: ath10k_pci(O) ath10k_core(O) ath(O) mac80211(O) cfg80211(O) compat(O)
> uio_pdrv_genirq
> CPU: 0 PID: 2712 Comm: wpa_supplicant Tainted: G           O 3.12.37-rt51+ #23
> task: e29764c0 ti: e38d4000 task.ti: e38d4000
> NIP: faaf9548 LR: faafddc8 CTR: c06663a0
> REGS: e38d5880 TRAP: 0700   Tainted: G           O  (3.12.37-rt51+)
> MSR: 00029002 <CE,EE,ME>  CR: 22044444  XER: 20000000
>
> GPR00: faafddc8 e38d5930 e29764c0 ef1e6d20 efa06624 0000000f 0005803c 00200000
> GPR08: 00000000 00000005 00000000 05be4900 82044448 10107770 00000000 00000001
> GPR16: 00000004 000000f0 0000000b 00000021 101199ee 00000001 e38d5e68 00000008
> GPR24: e2cf5c00 ef1e6d20 c5a59600 ef1e6c20 efa06618 efa06624 c5a59600 00000000
> NIP [faaf9548] ath10k_install_peer_wep_keys+0x28/0x250 [ath10k_core]
> LR [faafddc8] ath10k_station_assoc+0x258/0x430 [ath10k_core]
> Call Trace:
> [e38d5930] [fab0f658] ath10k_wmi_op_gen_peer_set_param+0x28/0x90 [ath10k_core] (unreliable)
> [e38d5960] [faafddc8] ath10k_station_assoc+0x258/0x430 [ath10k_core]
> [e38d5ae0] [faafe184] ath10k_sta_state+0x1e4/0x7b0 [ath10k_core]
> [e38d5b30] [fa4f87b4] sta_info_move_state+0x274/0x340 [mac80211]
> [e38d5b40] [fa5114b8] sta_apply_auth_flags.isra.42+0x88/0x1e0 [mac80211]
> [e38d5b60] [fa511c6c] ieee80211_change_station+0x11c/0x320 [mac80211]
> [e38d5b90] [f999dcf0] nl80211_set_station+0x290/0x2e0 [cfg80211]
> [e38d5c00] [c052148c] genl_rcv_msg+0x23c/0x3f0
> [e38d5c50] [c05207f0] netlink_rcv_skb+0x130/0x150
> [e38d5c70] [c0521238] genl_rcv+0x38/0x50
> [e38d5c80] [c051ffc0] netlink_unicast+0x170/0x1f0
> [e38d5cb0] [c0520400] netlink_sendmsg+0x290/0x3b0
> [e38d5d00] [c04b8910] sock_sendmsg+0x70/0xb0
> [e38d5da0] [c04ba2d0] ___sys_sendmsg.part.29+0x2c0/0x2d0
> [e38d5ec0] [c04bb644] __sys_sendmsg+0x54/0xa0
> [e38d5f10] [c04bbe78] SyS_socketcall+0x178/0x2b0
> [e38d5f40] [c000fb04] ret_from_syscall+0x0/0x3c
> --- Exception: c01 at 0xfbf4f6c
>     LR = 0xffac1a0
> Instruction dump:
> 91210028 4bfffee4 9421ffd0 7c0802a6 90010034 bf210014 81230038 83430034
> 81290000 552907fa 2b890001 41de002c <0fe00000> 3bc0ffea 80010034 7fc3f378
> ---[ end trace 56617f0f443657ab ]---
> 0 ath10k_pci 0000:01:00.0: failed to install peer wep keys for vdev 0: -22
> ath10k_pci 0000:01:00.0: failed to associate station 04:f0:21:1d:77:68 for vdev 0: -22
> station dump
> Station 04:f0:21:1d:77:68 (on mesh0)
>         inactive time:  351 ms
>         rx bytes:       2122
>         rx packets:     24
>         tx bytes:       1196
>         tx packets:     8
>         tx retries:     0
>         tx failed:      0
>         signal:         -54 dBm
>         signal avg:     -52 dBm
>         Toffset:        642048384 us
>         tx bitrate:     1.0 MBit/s
>         rx bitrate:     1.0 MBit/s
>         mesh llid:      0
>         mesh plid:      0
>         mesh plink:     ESTAB
>         mesh local PS mode:     ACTIVE
>         mesh peer PS mode:      UNKNOWN
>         mesh non-peer PS mode:  ACTIVE
>
> System Details:
>
> Kernel : 3.12 rt 51+ (SDK 1.9)
>
> ath10K driver: backport-4.4.2-1

Your backports release is old, which means that the version of ath10k is
also old. I would try to build the latest backports release from git and
see how that works:

https://wireless.wiki.kernel.org/en/users/drivers/ath10k/backports

But do note that the backports project has become active again only
recently so there might be some build issues.

-- 
Kalle Valo
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