tree c90fa3c1f00577454c6abed18e1a931b6832f1a6
parent 4eab421bc339e719af1b4b9560dd0cb97ce29b73
author Ilias Apalodimas <ilias.apalodimas@linaro.org> 1571226032 +0300
committer David S. Miller <davem@davemloft.net> 1571340956 -0400

net: netsec: Correct dma sync for XDP_TX frames

bpf_xdp_adjust_head() can change the frame boundaries. Account for the
potential shift properly by calculating the new offset before
syncing the buffer to the device for XDP_TX

Fixes: ba2b232108d3 ("net: netsec: add XDP support")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>