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staging: et131x: Remove et131x_send_packets() function

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Remove et131x_send_packets() and replace the only use in et131x_tx
with the removed function's body.

Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mark Einon 2014-09-11 22:59:39 +01:00 committed by Greg Kroah-Hartman
parent 7baf929491
commit 4792e6d136
1 changed files with 29 additions and 47 deletions
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76
drivers/staging/et131x/et131x.c
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@ -2926,51 +2926,6 @@ static int send_packet(struct sk_buff *skb, struct et131x_adapter *adapter)
return 0;
}
/* et131x_send_packets - This function is called by the OS to send packets */
static int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev)
{
int status = 0;
struct et131x_adapter *adapter = netdev_priv(netdev);
struct tx_ring *tx_ring = &adapter->tx_ring;
/* Send these packets
*
* NOTE: The Linux Tx entry point is only given one packet at a time
* to Tx, so the PacketCount and it's array used makes no sense here
*/
/* TCB is not available */
if (tx_ring->used >= NUM_TCB) {
/* NOTE: If there's an error on send, no need to queue the
* packet under Linux; if we just send an error up to the
* netif layer, it will resend the skb to us.
*/
status = -ENOMEM;
} else {
/* We need to see if the link is up; if it's not, make the
* netif layer think we're good and drop the packet
*/
if ((adapter->flags & FMP_ADAPTER_FAIL_SEND_MASK) ||
!netif_carrier_ok(netdev)) {
dev_kfree_skb_any(skb);
skb = NULL;
adapter->netdev->stats.tx_dropped++;
} else {
status = send_packet(skb, adapter);
if (status != 0 && status != -ENOMEM) {
/* On any other error, make netif think we're
* OK and drop the packet
*/
dev_kfree_skb_any(skb);
skb = NULL;
adapter->netdev->stats.tx_dropped++;
}
}
}
return status;
}
/* free_send_packet - Recycle a struct tcb
* @adapter: pointer to our adapter
* @tcb: pointer to struct tcb
@ -4268,8 +4223,35 @@ static netdev_tx_t et131x_tx(struct sk_buff *skb, struct net_device *netdev)
/* Save the timestamp for the TX timeout watchdog */
netdev->trans_start = jiffies;
/* Call the device-specific data Tx routine */
status = et131x_send_packets(skb, netdev);
/* TCB is not available */
if (tx_ring->used >= NUM_TCB) {
/* NOTE: If there's an error on send, no need to queue the
* packet under Linux; if we just send an error up to the
* netif layer, it will resend the skb to us.
*/
status = -ENOMEM;
} else {
/* We need to see if the link is up; if it's not, make the
* netif layer think we're good and drop the packet
*/
if ((adapter->flags & FMP_ADAPTER_FAIL_SEND_MASK) ||
!netif_carrier_ok(netdev)) {
dev_kfree_skb_any(skb);
skb = NULL;
adapter->netdev->stats.tx_dropped++;
} else {
status = send_packet(skb, adapter);
if (status != 0 && status != -ENOMEM) {
/* On any other error, make netif think we're
* OK and drop the packet
*/
dev_kfree_skb_any(skb);
skb = NULL;
adapter->netdev->stats.tx_dropped++;
}
}
}
/* Check status and manage the netif queue if necessary */
if (status != 0) {