K 10
svn:author
V 3
zbb
K 8
svn:date
V 27
2016-03-31T13:10:29.717744Z
K 7
svn:log
V 543
Improve TX path of the VNIC driver

- Avoid memory leak when nicvf_tx_mbuf_locked() fails
- Introduce nicvf_xmit_locked() routine that uses drbr_peek(),
  drbr_advance() or drbr_putback() for a specific ifnet.
  This gives more clear and efficient design as well as
  prevents from dropping mbufs that where not sent due to temporary
  lack of descriptors.
- Add missing ETHER_BPF_MTAP() hook

Pointed out by: yongari
Reviewed by:    wma
Obtained from:  Semihalf
Sponsored by:   Cavium
Differential Revision: https://reviews.freebsd.org/D5534

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