Hi Don, Could you please elaborate a little on the dev_forward_skb() ? Where can I find that function?
I was about to conclude that ixgbe always report "0" for RX drop, but I would like to know the correct answer. Thanks, Ching --- On Mon, 5/23/11, Skidmore, Donald C <[email protected]> wrote: > From: Skidmore, Donald C <[email protected]> > Subject: RE: [E1000-devel] Question on net_stats->rx_dropped setting to "0" > To: "Filo FeFi" <[email protected]>, "[email protected]" > <[email protected]> > Date: Monday, May 23, 2011, 5:55 PM > Hi Ching, > > As you noted we (ixgbe) doesn't modify this value, other > than initialing it to zero. However elsewhere in the > stack it is modified. One example being dev_forward_skb(). > So ixgbe devices may report rx_dropped as something other > than "0". > > Thanks, > -Don > > >-----Original Message----- > >From: Filo FeFi [mailto:[email protected]] > >Sent: Thursday, May 19, 2011 7:19 PM > >To: [email protected] > >Subject: [E1000-devel] Question on > net_stats->rx_dropped setting to "0" > > > >Dear ixgbe developers: > > > >I'm debugging a problem where some frames get dropped > by the ixgbe > >driver (version 2.0.44-k2), i.e. /proc/net/dev "drop" > is not 0. > > > >Reading the ixgbe-3.3.9/2.0.44.13/2.0.44.14 source, I > see the line > >(in ixgbe_main.c ixgbe_update_stats()): > "net_stats->rx_dropped = 0;" > > > >So, does this mean that ixgbe always reports "0" for RX > dropped? > > > >Under what circumstances would /proc/net/dev's drop > count for ixgbe > >be incremented/changed from "0"? > > > >Thank you, > >Ching Tai > >(650) 506-1454 > > > > > >------------------------------------------------------------------------ > >------ > >What Every C/C++ and Fortran developer Should Know! > >Read this article and learn how Intel has extended the > reach of its > >next-generation tools to help Windows* and Linux* C/C++ > and Fortran > >developers boost performance applications - including > clusters. > >http://p.sf.net/sfu/intel-dev2devmay > >_______________________________________________ > >E1000-devel mailing list > >[email protected] > >https://lists.sourceforge.net/lists/listinfo/e1000-devel > >To learn more about Intel® Ethernet, visit > >http://communities.intel.com/community/wired > ------------------------------------------------------------------------------ vRanger cuts backup time in half-while increasing security. With the market-leading solution for virtual backup and recovery, you get blazing-fast, flexible, and affordable data protection. Download your free trial now. http://p.sf.net/sfu/quest-d2dcopy1 _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
