C++ (Cpp) nps_enet_send_frame示例

示例#1

文件： nps_enet.c 项目： DenisLug/mptcp

/**
 * nps_enet_start_xmit - Starts the data transmission.
 * @skb:        sk_buff pointer that contains data to be Transmitted.
 * @ndev:       Pointer to net_device structure.
 *
 * returns: NETDEV_TX_OK, on success
 *              NETDEV_TX_BUSY, if any of the descriptors are not free.
 *
 * This function is invoked from upper layers to initiate transmission.
 */
static netdev_tx_t nps_enet_start_xmit(struct sk_buff *skb,
				       struct net_device *ndev)
{
	struct nps_enet_priv *priv = netdev_priv(ndev);

	/* This driver handles one frame at a time  */
	netif_stop_queue(ndev);

	priv->tx_skb = skb;

	nps_enet_send_frame(ndev, skb);

	return NETDEV_TX_OK;
}

示例#2

文件： nps_enet.c 项目： forgivemyheart/linux

/**
 * nps_enet_start_xmit - Starts the data transmission.
 * @skb:        sk_buff pointer that contains data to be Transmitted.
 * @ndev:       Pointer to net_device structure.
 *
 * returns: NETDEV_TX_OK, on success
 *              NETDEV_TX_BUSY, if any of the descriptors are not free.
 *
 * This function is invoked from upper layers to initiate transmission.
 */
static netdev_tx_t nps_enet_start_xmit(struct sk_buff *skb,
				       struct net_device *ndev)
{
	struct nps_enet_priv *priv = netdev_priv(ndev);

	/* This driver handles one frame at a time  */
	netif_stop_queue(ndev);

	priv->tx_skb = skb;

	/* make sure tx_skb is actually written to the memory
	 * before the HW is informed and the IRQ is fired.
	 */
	wmb();

	nps_enet_send_frame(ndev, skb);

	return NETDEV_TX_OK;
}