Am 15.02.2011 17:27, schrieb Michael S. Tsirkin: > e1000 supports multi-buffer packets larger than rxbuf_size. > > This fixes the following (on linux): > - in guest: ifconfig eth1 mtu 16110 > - in host: ifconfig tap0 mtu 16110 > ping -s 16082 <guest-ip> > > Red Hat bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=602205 > > Changes from v1: > fix buffer overflow reported by Kevin > added a patch to fix EOP spec violation reported by Juan > added a patch to fix spec violation noted by myself > > > Michael S. Tsirkin (3): > e1000: multi-buffer packet support > e1000: clear EOP for multi-buffer descriptors > e1000: verify we have buffers, upfront > > hw/e1000.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++------------ > 1 files changed, 48 insertions(+), 13 deletions(-)
I found patch 3 to be not that easy to understand (especially the s->check_rxov part), but after thinking a while about it, it seems to make sense. Acked-by: Kevin Wolf <kw...@redhat.com>
