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[lwip-devel] [task #7013] Create option to have all packets delivered to
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From: |
Jakob Stoklund Olesen |
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Subject: |
[lwip-devel] [task #7013] Create option to have all packets delivered to netif->output in one piece |
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Date: |
Wed, 04 Feb 2009 17:54:53 +0000 |
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User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_6; en-us) AppleWebKit/525.27.1 (KHTML, like Gecko) Version/3.2.1 Safari/525.27.1 |
Follow-up Comment #2, task #7013 (project lwip):
The tcp-oversize patch attached to task #7040 tries very hard to make this
happen when TCP_OVERSIZE is defined to TCP_MSS.
There are no guarantees, so the driver will still have to check if outgoing
packets are fragmented. Fragmentation occurs when:
- User passes a pbuf to udp_send that is already fragmented or without
sufficient header space.
- User calls tcp_write multiple times without calling tcp_output_nagle in
between, and without passing TCP_WRITE_FLAG_MORE to tcp_write.
- User calls tcp_write without TCP_WRITE_FLAG_COPY.
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- [lwip-devel] [task #7013] Create option to have all packets delivered to netif->output in one piece,
Jakob Stoklund Olesen <=