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Date:      Fri, 15 Feb 2013 18:19:48 -0700
From:      PseudoCylon <moonlightakkiy@yahoo.ca>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: [RFC] serialising net80211 TX
Message-ID:  <CAFZ_MYLswF_3OvEg=uc5GXUAi=EipXmqj-cAWjRC9xi93V-R1Q@mail.gmail.com>
In-Reply-To: <CAJ-VmonAXBxuD51y-j5PEt4uGHO_EX15C3inj9wTmR%2BJnb21LA@mail.gmail.com>
References:  <CAFZ_MYJjV=5FtEmWkO7rRBtAuvn2R0Ec=O0ojhPxBfcBuLRUJQ@mail.gmail.com> <CAJ-VmonAXBxuD51y-j5PEt4uGHO_EX15C3inj9wTmR%2BJnb21LA@mail.gmail.com>

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On Fri, Feb 15, 2013 at 4:03 PM, Adrian Chadd <adrian@freebsd.org> wrote:
> The (many) problems include the two TX paths - one is via _start /
> _transmit, and one is the raw xmit path.
>
> So in the short term it'll be easier (!) to just wrap all TX entry
> points with a VAP TX lock.
> Once that's done and we've debugged it, we can look at breaking it
> into a queue with a taskqueue thread for deferred transmit.
>
> How's that sound?

I think that's good because
if_start/transmit == data packet &&
if_raw_xmit == mgmt packet
is no longer true.
http://svnweb.freebsd.org/base?view=revision&revision=222682

And, all-in-one Tx path works with run(4) at least.

AK



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