14  *      - Redistributions of source code must retain the above
18  *      - Redistributions in binary form must reproduce the above
45 	int status;  in usnic_fwd_devcmd_locked()  local
46 	struct net_device *netdev = ufdev->netdev;  in usnic_fwd_devcmd_locked()
48 	lockdep_assert_held(&ufdev->lock);  in usnic_fwd_devcmd_locked()
50 	status = enic_api_devcmd_proxy_by_index(netdev,  in usnic_fwd_devcmd_locked()
55 	if (status) {  in usnic_fwd_devcmd_locked()
56 		if (status == ERR_EINVAL && cmd == CMD_DEL_FILTER) {  in usnic_fwd_devcmd_locked()
58 					ufdev->name, vnic_idx, cmd);  in usnic_fwd_devcmd_locked()
60 			usnic_err("Dev %s vnic idx %u cmd %u failed with status %d\n",  in usnic_fwd_devcmd_locked()
61 					ufdev->name, vnic_idx, cmd,  in usnic_fwd_devcmd_locked()
62 					status);  in usnic_fwd_devcmd_locked()
66 				ufdev->name, vnic_idx, cmd);  in usnic_fwd_devcmd_locked()
69 	return status;  in usnic_fwd_devcmd_locked()
75 	int status;  in usnic_fwd_devcmd()  local
77 	spin_lock(&ufdev->lock);  in usnic_fwd_devcmd()
78 	status = usnic_fwd_devcmd_locked(ufdev, vnic_idx, cmd, a0, a1);  in usnic_fwd_devcmd()
79 	spin_unlock(&ufdev->lock);  in usnic_fwd_devcmd()
81 	return status;  in usnic_fwd_devcmd()
92 	ufdev->pdev = pdev;  in usnic_fwd_dev_alloc()
93 	ufdev->netdev = pci_get_drvdata(pdev);  in usnic_fwd_dev_alloc()
94 	spin_lock_init(&ufdev->lock);  in usnic_fwd_dev_alloc()
95 	BUILD_BUG_ON(sizeof(ufdev->name) != sizeof(ufdev->netdev->name));  in usnic_fwd_dev_alloc()
96 	strcpy(ufdev->name, ufdev->netdev->name);  in usnic_fwd_dev_alloc()
108 	spin_lock(&ufdev->lock);  in usnic_fwd_set_mac()
109 	memcpy(&ufdev->mac, mac, sizeof(ufdev->mac));  in usnic_fwd_set_mac()
110 	spin_unlock(&ufdev->lock);  in usnic_fwd_set_mac()
115 	spin_lock(&ufdev->lock);  in usnic_fwd_add_ipaddr()
116 	if (!ufdev->inaddr)  in usnic_fwd_add_ipaddr()
117 		ufdev->inaddr = inaddr;  in usnic_fwd_add_ipaddr()
118 	spin_unlock(&ufdev->lock);  in usnic_fwd_add_ipaddr()
123 	spin_lock(&ufdev->lock);  in usnic_fwd_del_ipaddr()
124 	ufdev->inaddr = 0;  in usnic_fwd_del_ipaddr()
125 	spin_unlock(&ufdev->lock);  in usnic_fwd_del_ipaddr()
130 	spin_lock(&ufdev->lock);  in usnic_fwd_carrier_up()
131 	ufdev->link_up = 1;  in usnic_fwd_carrier_up()
132 	spin_unlock(&ufdev->lock);  in usnic_fwd_carrier_up()
137 	spin_lock(&ufdev->lock);  in usnic_fwd_carrier_down()
138 	ufdev->link_up = 0;  in usnic_fwd_carrier_down()
139 	spin_unlock(&ufdev->lock);  in usnic_fwd_carrier_down()
144 	spin_lock(&ufdev->lock);  in usnic_fwd_set_mtu()
145 	ufdev->mtu = mtu;  in usnic_fwd_set_mtu()
146 	spin_unlock(&ufdev->lock);  in usnic_fwd_set_mtu()
151 	lockdep_assert_held(&ufdev->lock);  in usnic_fwd_dev_ready_locked()
153 	if (!ufdev->link_up)  in usnic_fwd_dev_ready_locked()
154 		return -EPERM;  in usnic_fwd_dev_ready_locked()
163 	lockdep_assert_held(&ufdev->lock);  in validate_filter_locked()
165 	if (filter->type == FILTER_IPV4_5TUPLE) {  in validate_filter_locked()
166 		if (!(filter->u.ipv4.flags & FILTER_FIELD_5TUP_DST_AD))  in validate_filter_locked()
167 			return -EACCES;  in validate_filter_locked()
168 		if (!(filter->u.ipv4.flags & FILTER_FIELD_5TUP_DST_PT))  in validate_filter_locked()
169 			return -EBUSY;  in validate_filter_locked()
170 		else if (ufdev->inaddr == 0)  in validate_filter_locked()
171 			return -EINVAL;  in validate_filter_locked()
172 		else if (filter->u.ipv4.dst_port == 0)  in validate_filter_locked()
173 			return -ERANGE;  in validate_filter_locked()
174 		else if (ntohl(ufdev->inaddr) != filter->u.ipv4.dst_addr)  in validate_filter_locked()
175 			return -EFAULT;  in validate_filter_locked()
186 	tlv->type = CLSF_TLV_FILTER;  in fill_tlv()
187 	tlv->length = sizeof(struct filter);  in fill_tlv()
188 	*((struct filter *)&tlv->val) = *filter;  in fill_tlv()
192 	tlv->type = CLSF_TLV_ACTION;  in fill_tlv()
193 	tlv->length = sizeof(struct filter_action);  in fill_tlv()
194 	*((struct filter_action *)&tlv->val) = *action;  in fill_tlv()
207 	int status;  in usnic_fwd_alloc_flow()  local
209 	pdev = ufdev->pdev;  in usnic_fwd_alloc_flow()
215 		return ERR_PTR(-ENOMEM);  in usnic_fwd_alloc_flow()
217 	tlv = dma_alloc_coherent(&pdev->dev, tlv_size, &tlv_pa, GFP_ATOMIC);  in usnic_fwd_alloc_flow()
220 		status = -ENOMEM;  in usnic_fwd_alloc_flow()
224 	fill_tlv(tlv, filter, &uaction->action);  in usnic_fwd_alloc_flow()
226 	spin_lock(&ufdev->lock);  in usnic_fwd_alloc_flow()
227 	status = usnic_fwd_dev_ready_locked(ufdev);  in usnic_fwd_alloc_flow()
228 	if (status) {  in usnic_fwd_alloc_flow()
229 		usnic_err("Forwarding dev %s not ready with status %d\n",  in usnic_fwd_alloc_flow()
230 				ufdev->name, status);  in usnic_fwd_alloc_flow()
234 	status = validate_filter_locked(ufdev, filter);  in usnic_fwd_alloc_flow()
235 	if (status) {  in usnic_fwd_alloc_flow()
236 		usnic_err("Failed to validate filter with status %d\n",  in usnic_fwd_alloc_flow()
237 				status);  in usnic_fwd_alloc_flow()
244 	status = usnic_fwd_devcmd_locked(ufdev, uaction->vnic_idx,  in usnic_fwd_alloc_flow()
246 	if (status) {  in usnic_fwd_alloc_flow()
247 		usnic_err("VF %s Filter add failed with status:%d",  in usnic_fwd_alloc_flow()
248 				ufdev->name, status);  in usnic_fwd_alloc_flow()
249 		status = -EFAULT;  in usnic_fwd_alloc_flow()
252 		usnic_dbg("VF %s FILTER ID:%llu", ufdev->name, a0);  in usnic_fwd_alloc_flow()
255 	flow->flow_id = (uint32_t) a0;  in usnic_fwd_alloc_flow()
256 	flow->vnic_idx = uaction->vnic_idx;  in usnic_fwd_alloc_flow()
257 	flow->ufdev = ufdev;  in usnic_fwd_alloc_flow()
260 	spin_unlock(&ufdev->lock);  in usnic_fwd_alloc_flow()
261 	dma_free_coherent(&pdev->dev, tlv_size, tlv, tlv_pa);  in usnic_fwd_alloc_flow()
262 	if (!status)  in usnic_fwd_alloc_flow()
266 	return ERR_PTR(status);  in usnic_fwd_alloc_flow()
271 	int status;  in usnic_fwd_dealloc_flow()  local
274 	a0 = flow->flow_id;  in usnic_fwd_dealloc_flow()
276 	status = usnic_fwd_devcmd(flow->ufdev, flow->vnic_idx,  in usnic_fwd_dealloc_flow()
278 	if (status) {  in usnic_fwd_dealloc_flow()
279 		if (status == ERR_EINVAL) {  in usnic_fwd_dealloc_flow()
280 			usnic_dbg("Filter %u already deleted for VF Idx %u pf: %s status: %d",  in usnic_fwd_dealloc_flow()
281 					flow->flow_id, flow->vnic_idx,  in usnic_fwd_dealloc_flow()
282 					flow->ufdev->name, status);  in usnic_fwd_dealloc_flow()
284 			usnic_err("PF %s VF Idx %u Filter: %u FILTER DELETE failed with status %d",  in usnic_fwd_dealloc_flow()
285 					flow->ufdev->name, flow->vnic_idx,  in usnic_fwd_dealloc_flow()
286 					flow->flow_id, status);  in usnic_fwd_dealloc_flow()
288 		status = 0;  in usnic_fwd_dealloc_flow()
296 				flow->ufdev->name, flow->vnic_idx,  in usnic_fwd_dealloc_flow()
297 				flow->flow_id);  in usnic_fwd_dealloc_flow()
301 	return status;  in usnic_fwd_dealloc_flow()
306 	int status;  in usnic_fwd_enable_qp()  local
310 	pf_netdev = ufdev->netdev;  in usnic_fwd_enable_qp()
314 	status = usnic_fwd_devcmd(ufdev, vnic_idx, CMD_QP_ENABLE,  in usnic_fwd_enable_qp()
316 	if (status) {  in usnic_fwd_enable_qp()
317 		usnic_err("PF %s VNIC Index %u RQ Index: %u ENABLE Failed with status %d",  in usnic_fwd_enable_qp()
321 				status);  in usnic_fwd_enable_qp()
328 	return status;  in usnic_fwd_enable_qp()
333 	int status;  in usnic_fwd_disable_qp()  local
337 	pf_netdev = ufdev->netdev;  in usnic_fwd_disable_qp()
341 	status = usnic_fwd_devcmd(ufdev, vnic_idx, CMD_QP_DISABLE,  in usnic_fwd_disable_qp()
343 	if (status) {  in usnic_fwd_disable_qp()
344 		usnic_err("PF %s VNIC Index %u RQ Index: %u DISABLE Failed with status %d",  in usnic_fwd_disable_qp()
348 				status);  in usnic_fwd_disable_qp()
356 	return status;  in usnic_fwd_disable_qp()