Commit 5cc0f1c0 authored by Emil Tantilov's avatar Emil Tantilov Committed by Jeff Kirsher

ixgbevf: make sure all frames fit minimum size requirements

Similar to commit a50c29dd
("ixgbe: Make certain that all frames fit minimum size requirements")

Make sure that any packet we attempt to transmit will meet minimum
size requirements.
Signed-off-by: default avatarEmil Tantilov <emil.s.tantilov@intel.com>
Tested-by: default avatarKrishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 1ab37e12
......@@ -3779,11 +3779,10 @@ static int ixgbevf_maybe_stop_tx(struct ixgbevf_ring *tx_ring, int size)
return __ixgbevf_maybe_stop_tx(tx_ring, size);
}
static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
static int ixgbevf_xmit_frame_ring(struct sk_buff *skb,
struct ixgbevf_ring *tx_ring)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
struct ixgbevf_tx_buffer *first;
struct ixgbevf_ring *tx_ring;
int tso;
u32 tx_flags = 0;
u16 count = TXD_USE_COUNT(skb_headlen(skb));
......@@ -3798,8 +3797,6 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
return NETDEV_TX_OK;
}
tx_ring = adapter->tx_ring[skb->queue_mapping];
/* need: 1 descriptor per page * PAGE_SIZE/IXGBE_MAX_DATA_PER_TXD,
* + 1 desc for skb_headlen/IXGBE_MAX_DATA_PER_TXD,
* + 2 desc gap to keep tail from touching head,
......@@ -3852,6 +3849,29 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
return NETDEV_TX_OK;
}
static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
struct ixgbevf_ring *tx_ring;
if (skb->len <= 0) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
/* The minimum packet size for olinfo paylen is 17 so pad the skb
* in order to meet this minimum size requirement.
*/
if (skb->len < 17) {
if (skb_padto(skb, 17))
return NETDEV_TX_OK;
skb->len = 17;
}
tx_ring = adapter->tx_ring[skb->queue_mapping];
return ixgbevf_xmit_frame_ring(skb, tx_ring);
}
/**
* ixgbevf_set_mac - Change the Ethernet Address of the NIC
* @netdev: network interface device structure
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment