struct net_device *hfi1_vnic_alloc_rn(struct ib_device *device,
u8 port_num,
enum rdma_netdev_t type,
const char *name,
unsigned char name_assign_type,
void (*setup)(struct net_device *))
{
struct hfi1_devdata *dd = dd_from_ibdev(device);
struct hfi1_vnic_vport_info *vinfo;
struct net_device *netdev;
struct rdma_netdev *rn;
int i, size, rc;
if (!port_num || (port_num > dd->num_pports))
return ERR_PTR(-EINVAL);
if (type != RDMA_NETDEV_OPA_VNIC)
return ERR_PTR(-EOPNOTSUPP);
size = sizeof(struct opa_vnic_rdma_netdev) + sizeof(*vinfo);
netdev = alloc_netdev_mqs(size, name, name_assign_type, setup,
dd->chip_sdma_engines, HFI1_NUM_VNIC_CTXT);
if (!netdev)
return ERR_PTR(-ENOMEM);
rn = netdev_priv(netdev);
vinfo = opa_vnic_dev_priv(netdev);
vinfo->dd = dd;
vinfo->num_tx_q = dd->chip_sdma_engines;
vinfo->num_rx_q = HFI1_NUM_VNIC_CTXT;
vinfo->netdev = netdev;
rn->set_id = hfi1_vnic_set_vesw_id;
netdev->features = NETIF_F_HIGHDMA | NETIF_F_SG;
netdev->hw_features = netdev->features;
netdev->vlan_features = netdev->features;
netdev->watchdog_timeo = msecs_to_jiffies(HFI_TX_TIMEOUT_MS);
netdev->netdev_ops = &hfi1_netdev_ops;
mutex_init(&vinfo->lock);
for (i = 0; i < vinfo->num_rx_q; i++) {
struct hfi1_vnic_rx_queue *rxq = &vinfo->rxq[i];
rxq->idx = i;
rxq->vinfo = vinfo;
rxq->netdev = netdev;
netif_napi_add(netdev, &rxq->napi, hfi1_vnic_napi, 64);
}
rc = hfi1_vnic_init(vinfo);
if (rc)
goto init_fail;
return netdev;
init_fail:
mutex_destroy(&vinfo->lock);
free_netdev(netdev);
return ERR_PTR(rc);
}
static int r92su_alloc_netdev(struct r92su *r92su)
{
struct net_device *ndev;
/* The firmware/hardware does not support multiple interfaces.
* So, we are fine with just a single netdevice.
*/
ndev = alloc_netdev_mqs(0, "wlan%d", NET_NAME_UNKNOWN,
r92su_if_setup, NUM_ACS, 1);
if (!ndev)
return -ENOMEM;
ndev->ml_priv = r92su;
r92su->wdev.netdev = ndev;
ndev->ieee80211_ptr = &r92su->wdev;
SET_NETDEV_DEV(ndev, wiphy_dev(r92su->wdev.wiphy));
return 0;
}
int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif,
const char *name, unsigned char name_assign_type,
enum nl80211_iftype iftype)
{
struct wiphy *wiphy = priv_to_wiphy(mac);
struct net_device *dev;
void *qdev_vif;
int ret;
dev = alloc_netdev_mqs(sizeof(struct qtnf_vif *), name,
name_assign_type, ether_setup, 1, 1);
if (!dev) {
memset(&vif->wdev, 0, sizeof(vif->wdev));
vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
return -ENOMEM;
}
vif->netdev = dev;
dev->netdev_ops = &qtnf_netdev_ops;
dev->needs_free_netdev = true;
dev_net_set(dev, wiphy_net(wiphy));
dev->ieee80211_ptr = &vif->wdev;
dev->ieee80211_ptr->iftype = iftype;
ether_addr_copy(dev->dev_addr, vif->mac_addr);
SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
dev->watchdog_timeo = QTNF_DEF_WDOG_TIMEOUT;
dev->tx_queue_len = 100;
qdev_vif = netdev_priv(dev);
*((void **)qdev_vif) = vif;
SET_NETDEV_DEV(dev, mac->bus->dev);
ret = register_netdevice(dev);
if (ret) {
free_netdev(dev);
vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
}
return ret;
}
struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs,
unsigned int rxqs)
{
return alloc_netdev_mqs(sizeof_priv, "eth%d", ether_setup, txqs, rxqs);
}
struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev,
struct ib_device *ibdev,
const char *name,
void (*setup)(struct net_device *))
{
const struct mlx5e_profile *profile;
struct net_device *netdev;
struct mlx5i_priv *ipriv;
struct mlx5e_priv *epriv;
struct rdma_netdev *rn;
bool sub_interface;
int nch;
int err;
if (mlx5i_check_required_hca_cap(mdev)) {
mlx5_core_warn(mdev, "Accelerated mode is not supported\n");
return ERR_PTR(-EOPNOTSUPP);
}
/* TODO: Need to find a better way to check if child device*/
sub_interface = (mdev->mlx5e_res.pdn != 0);
if (sub_interface)
profile = mlx5i_pkey_get_profile();
else
profile = &mlx5i_nic_profile;
nch = profile->max_nch(mdev);
netdev = alloc_netdev_mqs(sizeof(struct mlx5i_priv) + sizeof(struct mlx5e_priv),
name, NET_NAME_UNKNOWN,
setup,
nch * MLX5E_MAX_NUM_TC,
nch);
if (!netdev) {
mlx5_core_warn(mdev, "alloc_netdev_mqs failed\n");
return NULL;
}
ipriv = netdev_priv(netdev);
epriv = mlx5i_epriv(netdev);
epriv->wq = create_singlethread_workqueue("mlx5i");
if (!epriv->wq)
goto err_free_netdev;
ipriv->sub_interface = sub_interface;
if (!ipriv->sub_interface) {
err = mlx5i_pkey_qpn_ht_init(netdev);
if (err) {
mlx5_core_warn(mdev, "allocate qpn_to_netdev ht failed\n");
goto destroy_wq;
}
/* This should only be called once per mdev */
err = mlx5e_create_mdev_resources(mdev);
if (err)
goto destroy_ht;
}
profile->init(mdev, netdev, profile, ipriv);
mlx5e_attach_netdev(epriv);
netif_carrier_off(netdev);
/* set rdma_netdev func pointers */
rn = &ipriv->rn;
rn->hca = ibdev;
rn->send = mlx5i_xmit;
rn->attach_mcast = mlx5i_attach_mcast;
rn->detach_mcast = mlx5i_detach_mcast;
rn->set_id = mlx5i_set_pkey_index;
return netdev;
destroy_ht:
mlx5i_pkey_qpn_ht_cleanup(netdev);
destroy_wq:
destroy_workqueue(epriv->wq);
err_free_netdev:
free_netdev(netdev);
return NULL;
}
