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Date:      Sat, 17 Sep 2016 16:21:38 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Larry Rosenman <ler@lerctr.org>
Cc:        Andriy Voskoboinyk <avos@freebsd.org>, Freebsd wireless <freebsd-wireless@freebsd.org>
Subject:   Re: (IWM) 7260 AC Dual Band - Still No Connect
Message-ID:  <CAJ-Vmom3nuMVsaCEb0vEK-cJfdu04yn3ovk0L6Cn94F1cz8E%2BQ@mail.gmail.com>
In-Reply-To: <5589d76521483939157026cc0f3fa250@thebighonker.lerctr.org>
References:  <20160917024238.GA79497@pita.lerctr.org> <op.ynxeueok4dikkl@localhost> <20160917145943.GA6303@pita.lerctr.org> <op.ynxwvdmiiew4ia@localhost> <20160917152147.GA56866@thebighonker.lerctr.org> <op.ynxxbewh4dikkl@localhost> <20160917153808.GA1425@pita.lerctr.org> <op.ynxx93uw4dikkl@localhost> <20160917163757.GA1426@pita.lerctr.org> <op.ynx0o7ew4dikkl@localhost> <66a0de815de953b5fa99424dfd624f4f@thebighonker.lerctr.org> <op.ynx1bjiciew4ia@localhost> <091e5dc8b68ef08086eadb4c8815aeda@thebighonker.lerctr.org> <e288e4c5f7f0503b11250f3c106b5c9e@thebighonker.lerctr.org> <802576473e12f090260587f62fba0d32@thebighonker.lerctr.org> <op.ynx5n6th4dikkl@localhost> <068abc6a7c5ec56a6bdc06655510bdb7@thebighonker.lerctr.org> <op.ynydg01ziew4ia@localhost> <2d39c33aee08d69075b4ab1df0a6e574@thebighonker.lerctr.org> <op.ynye7xrqiew4ia@localhost> <op.ynyfanc04dikkl@localhost> <9460c7cf79ede79ebb474632f573901e@thebighonker.lerctr.org> <ec8496b57d8bf07086bc1f09a564e49a@thebighonker.lerctr.org> <91c391fde82e89b404428655da62a048@thebighonker.lerctr.org> <5589d76521483939157026cc0f3fa250@thebighonker.lerctr.org>

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Hi,

So those status=0x83 means it failed the long retry limit:

IWM_TX_STATUS_FAIL_LONG_LIMIT = 0x83

so it's failing to get an ACK.

The TX setup is:

iwm0: sending data: qid=0 idx=2 len=30 nsegs=1 txflags=0x00003008
rate_n_flags=0x0000420a rateidx=0


So, rate_n_flags = 0x420a, which is:

IWM_RATE_1M_PLCP  = 10, (0xa)
first antenna (0x4000) - (1 << IWM_RATE_MCS_ANT_POS)
0x200 - CCK (IWM_RATE_MCS_CCK_POS)

So it's tryignt o send the frame as a 1M CCK frame

Ok, for the tx_flags:

0x8 = IWM_TX_CMD_FLG_ACK
0x1000 = IWM_TX_CMD_FLG_BT_DIS
0x2000 = IWM_TX_CMD_FLG_SEQ_CTL

So it looks like it's a static, single rate (1MB), no multi-rate
retries, and it fails to ACK.

Can you do an 'ifconfig -v wlan0 list scan' ? I'd like to see if this
AP is (say) refusing to allow 1M CCK frames (eg a "no 11b" policy.)

Thanks!


-adrian



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