lwIP - A Lightweight TCP/IP stack - Bugs: bug #26012, ACKs by SWS avoidance
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bug #26012: ACKs by SWS avoidance
Submitter: | Oleg Tyshev <olegreen> | ||
Submitted: | Thu 26 Mar 2009 03:43:57 PM UTC | ||
Category: | TCP | Severity: | 3 - Normal |
Item Group: | Faulty Behaviour | Status: | Fixed |
Privacy: | Public | Assigned to: | None |
Open/Closed: | Closed | Planned Release: | None |
lwIP version: | 1.3.0 |
Jump to the original submission
Wed 01 Apr 2009 04:10:24 PM UTC, comment #6: |
Oleg Tyshev <olegreen> |
Mon 30 Mar 2009 05:38:52 PM UTC, comment #5: That's right it would be no retransmition.
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Oleg Tyshev <olegreen> |
Mon 30 Mar 2009 12:04:41 PM UTC, comment #4: Thanks for taking a look.
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Kieran Mansley <kieranm> |
Fri 27 Mar 2009 05:44:37 PM UTC, comment #3: I have seen this patch.
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Oleg Tyshev <olegreen> |
Fri 27 Mar 2009 12:38:36 PM UTC, comment #2: I've added a patch here:
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Kieran Mansley <kieranm> |
Thu 26 Mar 2009 04:09:36 PM UTC, comment #1: That patch certainly helps, but there are some other issues outstanding in this area that I'd like to resolve at the same time. e.g. BUG 20515.
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Kieran Mansley <kieranm> |
Thu 26 Mar 2009 03:43:57 PM UTC, original submission:
In tcp_recved we increase pcb->rcv_ann_wnd only if receive window >= MSS. That's right.
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Oleg Tyshev <olegreen> |
Depends on the following items: None found
Items that depend on this one: None found
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Follow 3 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2009-04-02 | kieranm | Status | None | Fixed | |
Open/Closed | Open | Closed | |||
2009-03-26 | olegreen | Attached File | - | Added sws_acks.patch, #17808 |
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Corresponding source code
I have tried to insert time stamp for right announced edge.
(after applying patch for delayed ack)
It doesn't give significant reduction in number of transferred packets.
You can close this bug.