diff options
| author |   Mintz, Yuval <Yuval.Mintz@cavium.com> | 2017-04-07 11:05:00 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-04-07 06:26:14 -0700 |
| commit | 15ed8a47ff0571dd268e37002511993b47e996bd (patch) | |
| tree | 6bf2b4788fbf4174e304f0f59bbc25fb03dee2f1 /drivers/net/ethernet/qlogic/qede/qede_main.c | |
| parent | qede: Prevent VFs from using XDP (diff) | |
| download | linux-dev-15ed8a47ff0571dd268e37002511993b47e996bd.tar.xz linux-dev-15ed8a47ff0571dd268e37002511993b47e996bd.zip | |
qede: Add support for ingress headroom
Driver currently doesn't support any headroom; The only 'available'
space it has in the head of the buffer is due to the placement
offset.
In order to allow [later] support of XDP adjustment of headroom,
modify the the ingress flow to properly handle a scenario where
the packets would have such.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index fa62c37dac7a..91c3078c1ae4 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1188,8 +1188,9 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) rxq->rx_buf_size = NET_IP_ALIGN + ETH_OVERHEAD + edev->ndev->mtu; - if (rxq->rx_buf_size > PAGE_SIZE) - rxq->rx_buf_size = PAGE_SIZE; + /* Make sure that the headroom and payload fit in a single page */ + if (rxq->rx_buf_size + rxq->rx_headroom > PAGE_SIZE) + rxq->rx_buf_size = PAGE_SIZE - rxq->rx_headroom; /* Segment size to spilt a page in multiple equal parts, * unless XDP is used in which case we'd use the entire page. |