[lwip-devel] [bug #54546] RAW API ethernet_input does not support pbuf chains

[Yonatan Shkolnik]

URL:
  <http://savannah.nongnu.org/bugs/?54546>

                 Summary: RAW API ethernet_input does not support pbuf chains
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: yonatans
            Submitted on: Tue 21 Aug 2018 02:36:54 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.0.3

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Details:

Passing a pbuf chain to ethernet_input (src/netif/ethernet.c) will not work as
the function assumes the packet is stored in one pbuf (for example, checks
(p->len <= SIZEOF_ETH_HDR) instead of comparing p->tot_len, and assuming that
the next header offsets are on the same pbuf.




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