/*
* Open and close
*/
static int
kni_net_open(struct net_device *dev)
{
int ret;
struct rte_kni_request req;
struct kni_dev *kni = netdev_priv(dev);
if (kni->kni_released) {
return -EAGAIN;
}
if (kni->lad_dev)
memcpy(dev->dev_addr, kni->lad_dev->dev_addr, ETH_ALEN);
else
/*
* Generate random mac address. eth_random_addr() is the newer
* version of generating mac address in linux kernel.
*/
random_ether_addr(dev->dev_addr);
netif_start_queue(dev);
memset(&req, 0, sizeof(req));
req.req_id = RTE_KNI_REQ_CFG_NETWORK_IF;
/* Setting if_up to non-zero means up */
req.if_up = 1;
ret = kni_net_process_request(kni, &req);
return (ret == 0 ? req.result : ret);
}
static int
kni_net_change_mtu(struct net_device *dev, int new_mtu)
{
int ret;
struct rte_kni_request req;
struct kni_dev *kni = netdev_priv(dev);
KNI_DBG("kni_net_change_mtu new mtu %d to be set\n", new_mtu);
memset(&req, 0, sizeof(req));
req.req_id = RTE_KNI_REQ_CHANGE_MTU;
req.new_mtu = new_mtu;
ret = kni_net_process_request(kni, &req);
if (ret == 0 && req.result == 0)
dev->mtu = new_mtu;
return (ret == 0 ? req.result : ret);
}
static int
kni_net_release(struct net_device *dev)
{
int ret;
struct rte_kni_request req;
struct kni_dev *kni = netdev_priv(dev);
netif_stop_queue(dev); /* can't transmit any more */
memset(&req, 0, sizeof(req));
req.req_id = RTE_KNI_REQ_CFG_NETWORK_IF;
/* Setting if_up to 0 means down */
req.if_up = 0;
ret = kni_net_process_request(kni, &req);
return (ret == 0 ? req.result : ret);
}
/*
* Open and close
*/
static int
kni_net_open(struct net_device *dev)
{
int ret;
struct rte_kni_request req;
struct kni_dev *kni = netdev_priv(dev);
if (kni->lad_dev)
memcpy(dev->dev_addr, kni->lad_dev->dev_addr, ETH_ALEN);
#ifdef RTE_LIBRW_PIOT
else if (kni->dev_addr)
memcpy(dev->dev_addr, kni->dev_addr, ETH_ALEN);
#endif
else
/*
* Generate random mac address. eth_random_addr() is the newer
* version of generating mac address in linux kernel.
*/
random_ether_addr(dev->dev_addr);
netif_start_queue(dev);
memset(&req, 0, sizeof(req));
req.req_id = RTE_KNI_REQ_CFG_NETWORK_IF;
/* Setting if_up to non-zero means up */
req.if_up = 1;
ret = kni_net_process_request(kni, &req);
#ifdef RTE_LIBRW_PIOT
kni->rx_treat_as_tx=0;
kni->rx_treat_as_tx_delivered=0;
kni->rx_treat_as_tx_filtered=0;
kni->rx_only=0;
kni->rx_filtered=0;
kni->rx_delivered=0;
kni->tx_no_txq=0;
kni->tx_no_allocq=0;
kni->tx_enq_fail=0;
kni->tx_deq_fail=0;
#endif
return (ret == 0 ? req.result : ret);
}
