[lwip-devel] [task #6827] etharp could need some tuning

[Simon Goldschmidt]

URL:
  <http://savannah.nongnu.org/task/?6827>

                 Summary: etharp could need some tuning
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: goldsimon
            Submitted on: Freitag 27.04.2007 um 11:50
                Category: ARP
         Should Start On: Freitag 27.04.2007 um 00:00
   Should be Finished on: Freitag 27.04.2007 um 00:00
                Priority: 1 - Later
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                  Effort: 0.00

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Details:

- Implement faster method than array search to prevent going through the
whole ARP table on sending a packet
- Introduce function like etharp_send(netif, pbuf) that fills in the header
(used at least twice) to reduce code size.
- Don't know if that's needed: make ARP independent of IP protocol (in
current implementation, ethhdr->type is hardcoded to ETHTYP_IP) but that
should be OK like it is, I think.
- ARP_QUEUEING: don't queue pbuf if etharp_request() fails with ERR_MEM?




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