hw/usnic/usnic_fwd.c

41 static int usnic_fwd_devcmd_locked(struct usnic_fwd_dev *ufdev, int vnic_idx,
46 	struct net_device *netdev = ufdev->netdev;
48 	lockdep_assert_held(&ufdev->lock);
58 					ufdev->name, vnic_idx, cmd);
61 					ufdev->name, vnic_idx, cmd,
66 				ufdev->name, vnic_idx, cmd);
72 static int usnic_fwd_devcmd(struct usnic_fwd_dev *ufdev, int vnic_idx,
77 	spin_lock(&ufdev->lock);
78 	status = usnic_fwd_devcmd_locked(ufdev, vnic_idx, cmd, a0, a1);
79 	spin_unlock(&ufdev->lock);
86 	struct usnic_fwd_dev *ufdev;
88 	ufdev = kzalloc(sizeof(*ufdev), GFP_KERNEL);
89 	if (!ufdev)
92 	ufdev->pdev = pdev;
93 	ufdev->netdev = pci_get_drvdata(pdev);
94 	spin_lock_init(&ufdev->lock);
95 	BUILD_BUG_ON(sizeof(ufdev->name) != sizeof(ufdev->netdev->name));
96 	strcpy(ufdev->name, ufdev->netdev->name);
98 	return ufdev;
101 void usnic_fwd_dev_free(struct usnic_fwd_dev *ufdev)
103 	kfree(ufdev);
106 void usnic_fwd_set_mac(struct usnic_fwd_dev *ufdev, const char mac[ETH_ALEN])
108 	spin_lock(&ufdev->lock);
109 	memcpy(&ufdev->mac, mac, sizeof(ufdev->mac));
110 	spin_unlock(&ufdev->lock);
113 void usnic_fwd_add_ipaddr(struct usnic_fwd_dev *ufdev, __be32 inaddr)
115 	spin_lock(&ufdev->lock);
116 	if (!ufdev->inaddr)
117 		ufdev->inaddr = inaddr;
118 	spin_unlock(&ufdev->lock);
121 void usnic_fwd_del_ipaddr(struct usnic_fwd_dev *ufdev)
123 	spin_lock(&ufdev->lock);
124 	ufdev->inaddr = 0;
125 	spin_unlock(&ufdev->lock);
128 void usnic_fwd_carrier_up(struct usnic_fwd_dev *ufdev)
130 	spin_lock(&ufdev->lock);
131 	ufdev->link_up = 1;
132 	spin_unlock(&ufdev->lock);
135 void usnic_fwd_carrier_down(struct usnic_fwd_dev *ufdev)
137 	spin_lock(&ufdev->lock);
138 	ufdev->link_up = 0;
139 	spin_unlock(&ufdev->lock);
142 void usnic_fwd_set_mtu(struct usnic_fwd_dev *ufdev, unsigned int mtu)
144 	spin_lock(&ufdev->lock);
145 	ufdev->mtu = mtu;
146 	spin_unlock(&ufdev->lock);
149 static int usnic_fwd_dev_ready_locked(struct usnic_fwd_dev *ufdev)
151 	lockdep_assert_held(&ufdev->lock);
153 	if (!ufdev->link_up)
159 static int validate_filter_locked(struct usnic_fwd_dev *ufdev,
163 	lockdep_assert_held(&ufdev->lock);
170 		else if (ufdev->inaddr == 0)
174 		else if (ntohl(ufdev->inaddr) != filter->u.ipv4.dst_addr)
198 usnic_fwd_alloc_flow(struct usnic_fwd_dev *ufdev, struct filter *filter,
209 	pdev = ufdev->pdev;
226 	spin_lock(&ufdev->lock);
227 	status = usnic_fwd_dev_ready_locked(ufdev);
230 				ufdev->name, status);
234 	status = validate_filter_locked(ufdev, filter);
244 	status = usnic_fwd_devcmd_locked(ufdev, uaction->vnic_idx,
248 				ufdev->name, status);
252 		usnic_dbg("VF %s FILTER ID:%llu", ufdev->name, a0);
257 	flow->ufdev = ufdev;
260 	spin_unlock(&ufdev->lock);
276 	status = usnic_fwd_devcmd(flow->ufdev, flow->vnic_idx,
282 					flow->ufdev->name, status);
285 					flow->ufdev->name, flow->vnic_idx,
296 				flow->ufdev->name, flow->vnic_idx,
304 int usnic_fwd_enable_qp(struct usnic_fwd_dev *ufdev, int vnic_idx, int qp_idx)
310 	pf_netdev = ufdev->netdev;
314 	status = usnic_fwd_devcmd(ufdev, vnic_idx, CMD_QP_ENABLE,
331 int usnic_fwd_disable_qp(struct usnic_fwd_dev *ufdev, int vnic_idx, int qp_idx)
337 	pf_netdev = ufdev->netdev;
341 	status = usnic_fwd_devcmd(ufdev, vnic_idx, CMD_QP_DISABLE,