| commit | 2367a17390138f68b3aa28f2f220b8d7ff8d91f4 | [log] [tgz] |
|---|---|---|
| author | Daniel Borkmann <dborkman@redhat.com> | Tue Aug 26 19:34:18 2014 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Wed Aug 27 23:17:41 2014 -0700 |
| tree | cc4b05875696b1bd863cde78f90cc74e37d8e4d6 | |
| parent | 900405d014c584c92b77e7f5d52d46cd2556602b [diff] |
ixgbe: flush when in xmit_more mode and under descriptor pressure When xmit_more mode is being used and the ring is about to become full or the stack has stopped the ring, enforce a tail pointer write to the hw. Otherwise, we could risk a TX hang. Code suggested by Alexander Duyck. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>