On Sat, Oct 09, 2004 at 12:34:34AM +0400, Gleb Smirnoff wrote: > On Fri, Oct 08, 2004 at 06:15:15PM +0300, Giorgos Keramidas wrote: > G> In ether_input() we unconditionaly discard the mbufs whose m_len is less than > G> ETHER_HDR_LEN. A bit higher M_PKTHDR has been checked but the check made > G> before discarding the frame doesn't pay attention to the m->m_pkthdr.len (the > G> total packet length). > > In my humble opinion, all Ethernet device drivers are intentionally written > in such a way that they always pass an mbuf with contigous Ethernet header > to ether_input().
actually, historically it wasn't always like this, the API for ether_input()used to have the MAC header in a different place, so the code giorgios refers to might be a leftover from older times (still in 4.x) cheers luigi _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
