Re: [PATCH] mac80211: rewrite fragmentation code

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To: Rusty Russell <rusty@...>

Cc: David Miller <davem@...>, <herbert@...>, <mb@...>, <linux-wireless@...>, <netdev@...>, <ron.rindjunsky@...>, <tomasw@...>, <ivdoorn@...>, <peter.p.waskiewicz.jr@...>

Subject: Re: [PATCH] mac80211: rewrite fragmentation code

Date: Friday, May 16, 2008 - 6:38 am

> I put a patch in to do exactly that at Herbert's prompting, for 2.6.26, b=
ut=20
quoted text> it's buggy in (at least) two ways.  I have a fix for this, which adds a n=
ew=20
quoted text> tasklet to xmit the packet.  There's still some subtle race, however, sin=
ce=20
quoted text> I'm still seeing a stuck packet.  I'll have to revert to TX_BUSY for 2.6.=
26=20
quoted text> if I can't find it (unlikely).

Incidentally, mac80211 has a tasklet for this as well, and I'm pretty
sure it's also buggy in the corner cases (rather than inefficient or
something)

johannes

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Messages in current thread:

[RFC/RFT 3/4] mac80211: use GSO for fragmentation, Johannes Berg, (Wed Apr 30, 8:40 am)

Re: [RFC/RFT 3/4] mac80211: use GSO for fragmentation, Herbert Xu, (Wed May 7, 3:10 am)

Re: [RFC/RFT 3/4] mac80211: use GSO for fragmentation, Johannes Berg, (Wed May 7, 4:50 am)

Re: [RFC/RFT 3/4] mac80211: use GSO for fragmentation, Herbert Xu, (Wed May 7, 5:00 am)

[PATCH] mac80211: rewrite fragmentation code, Johannes Berg, (Wed May 7, 7:22 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Herbert Xu, (Wed May 7, 7:41 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Johannes Berg, (Wed May 7, 7:52 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Herbert Xu, (Wed May 7, 9:05 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Johannes Berg, (Wed May 7, 3:19 pm)

Re: [PATCH] mac80211: rewrite fragmentation code, Michael Buesch, (Wed May 7, 9:48 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Herbert Xu, (Wed May 7, 11:22 pm)

Re: [PATCH] mac80211: rewrite fragmentation code, Michael Buesch, (Thu May 8, 9:00 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Herbert Xu, (Thu May 8, 9:08 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Michael Buesch, (Thu May 8, 9:13 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Herbert Xu, (Thu May 8, 9:32 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Michael Buesch, (Thu May 8, 9:15 am)

Re: [PATCH] mac80211: rewrite fragmentation code, David Miller, (Wed May 7, 11:26 pm)

Re: [PATCH] mac80211: rewrite fragmentation code, Rusty Russell, (Thu May 15, 10:01 pm)

Re: [PATCH] mac80211: rewrite fragmentation code, David Miller, (Fri May 16, 12:58 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Rusty Russell, (Fri May 16, 6:32 am)

Re: [PATCH] mac80211: rewrite fragmentation code, David Miller, (Fri May 16, 3:40 pm)

Re: [PATCH] mac80211: rewrite fragmentation code, Rusty Russell, (Sun May 18, 11:08 pm)

Re: [PATCH] mac80211: rewrite fragmentation code, David Miller, (Mon May 19, 3:03 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Herbert Xu, (Fri May 16, 8:15 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Johannes Berg, (Fri May 16, 6:38 am)

Re: [PATCH] mac80211: rewrite fragmentation code, Herbert Xu, (Thu May 15, 11:28 pm)

Re: [PATCH] mac80211: rewrite fragmentation code, Johannes Berg, (Thu May 8, 5:00 am)

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