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(parent: b92fb77) | patch
nfp: add support for xdp_adjust_head()
authorJakub Kicinski <jakub.kicinski@netronome.com>
Fri, 10 Mar 2017 18:38:39 +0000 (10:38 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 13 Mar 2017 06:43:19 +0000 (23:43 -0700)
commit6fe0c3b43804c9803a4a31c9d2ed8c2014bc0dc3
tree2c36b92d04514722d96b99ee4c909886027313e7tree | snapshot
parentb92fb77f27af90d3ee785eedc326f80cb6190597commit | diff
nfp: add support for xdp_adjust_head()

Support prepending data from XDP.  We are already always allocating
some headroom because FW may prepend metadata to packets.
xdp_adjust_head() can be supported by making sure that headroom is
big enough for XDP.  In case FW had prepended metadata to the packet,
however, we have to move it out of the way before we call XDP.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/netronome/nfp/nfp_net.h diff | blob | history
drivers/net/ethernet/netronome/nfp/nfp_net_common.c diff | blob | history
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