diff options
| author | Mintz, Yuval <Yuval.Mintz@cavium.com> | 2017-04-07 11:05:01 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-07 06:26:14 -0700 |
| commit | 059eeb07e175086db1f84c1d8d29bb9aa8057797 (patch) | |
| tree | fd69702322ca50528093e42bd87167809e3f3c5e /drivers/net/ethernet/qlogic/qede/qede_main.c | |
| parent | 15ed8a47ff0571dd268e37002511993b47e996bd (diff) | |
| download | linux-059eeb07e175086db1f84c1d8d29bb9aa8057797.tar.bz2 | |
qede: Support XDP adjustment of headers
In case an XDP program is attached, reserve XDP_PACKET_HEADROOM
bytes at the beginning of the packet for the program to play
with.
Modify the XDP logic in the driver to fill-in the missing bits
and re-calculate offsets and length after the program has finished
running to properly reflect the current status of the packet.
We can then go and remove the limitation of not supporting XDP programs
where xdp_adjust_head is set.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede_main.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 91c3078c1ae4..8c2baf8b2a08 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1187,6 +1187,7 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) rxq->num_rx_buffers = edev->q_num_rx_buffers; rxq->rx_buf_size = NET_IP_ALIGN + ETH_OVERHEAD + edev->ndev->mtu; + rxq->rx_headroom = edev->xdp_prog ? XDP_PACKET_HEADROOM : 0; /* Make sure that the headroom and payload fit in a single page */ if (rxq->rx_buf_size + rxq->rx_headroom > PAGE_SIZE) |