4 * Copyright 2017 6WIND S.A.
5 * Copyright 2017 Mellanox.
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37 #include <rte_flow_driver.h>
39 #include "failsafe_private.h"
41 /** Print a message out of a flow error. */
43 fs_flow_complain(struct rte_flow_error *error)
45 static const char *const errstrlist[] = {
46 [RTE_FLOW_ERROR_TYPE_NONE] = "no error",
47 [RTE_FLOW_ERROR_TYPE_UNSPECIFIED] = "cause unspecified",
48 [RTE_FLOW_ERROR_TYPE_HANDLE] = "flow rule (handle)",
49 [RTE_FLOW_ERROR_TYPE_ATTR_GROUP] = "group field",
50 [RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY] = "priority field",
51 [RTE_FLOW_ERROR_TYPE_ATTR_INGRESS] = "ingress field",
52 [RTE_FLOW_ERROR_TYPE_ATTR_EGRESS] = "egress field",
53 [RTE_FLOW_ERROR_TYPE_ATTR] = "attributes structure",
54 [RTE_FLOW_ERROR_TYPE_ITEM_NUM] = "pattern length",
55 [RTE_FLOW_ERROR_TYPE_ITEM] = "specific pattern item",
56 [RTE_FLOW_ERROR_TYPE_ACTION_NUM] = "number of actions",
57 [RTE_FLOW_ERROR_TYPE_ACTION] = "specific action",
63 if ((unsigned int)error->type >= RTE_DIM(errstrlist) ||
64 !errstrlist[error->type])
65 errstr = "unknown type";
67 errstr = errstrlist[error->type];
68 ERROR("Caught error type %d (%s): %s%s\n",
70 error->cause ? (snprintf(buf, sizeof(buf), "cause: %p, ",
71 error->cause), buf) : "",
72 error->message ? error->message : "(no stated reason)");
77 eth_dev_flow_isolate_set(struct rte_eth_dev *dev,
78 struct sub_device *sdev)
80 struct rte_flow_error ferror;
83 if (!PRIV(dev)->flow_isolated) {
84 DEBUG("Flow isolation already disabled");
86 DEBUG("Enabling flow isolation");
87 ret = rte_flow_isolate(PORT_ID(sdev),
88 PRIV(dev)->flow_isolated,
91 fs_flow_complain(&ferror);
99 fs_eth_dev_conf_apply(struct rte_eth_dev *dev,
100 struct sub_device *sdev)
102 struct rte_eth_dev *edev;
103 struct rte_vlan_filter_conf *vfc1;
104 struct rte_vlan_filter_conf *vfc2;
105 struct rte_flow *flow;
106 struct rte_flow_error ferror;
112 for (i = 0; i < dev->data->nb_rx_queues; i++) {
115 rxq = dev->data->rx_queues[i];
116 ret = rte_eth_rx_queue_setup(PORT_ID(sdev), i,
117 rxq->info.nb_desc, rxq->socket_id,
118 &rxq->info.conf, rxq->info.mp);
120 ERROR("rx_queue_setup failed");
125 for (i = 0; i < dev->data->nb_tx_queues; i++) {
128 txq = dev->data->tx_queues[i];
129 ret = rte_eth_tx_queue_setup(PORT_ID(sdev), i,
130 txq->info.nb_desc, txq->socket_id,
133 ERROR("tx_queue_setup failed");
137 /* dev_link.link_status */
138 if (dev->data->dev_link.link_status !=
139 edev->data->dev_link.link_status) {
140 DEBUG("Configuring link_status");
141 if (dev->data->dev_link.link_status)
142 ret = rte_eth_dev_set_link_up(PORT_ID(sdev));
144 ret = rte_eth_dev_set_link_down(PORT_ID(sdev));
146 ERROR("Failed to apply link_status");
150 DEBUG("link_status already set");
153 if (dev->data->promiscuous != edev->data->promiscuous) {
154 DEBUG("Configuring promiscuous");
155 if (dev->data->promiscuous)
156 rte_eth_promiscuous_enable(PORT_ID(sdev));
158 rte_eth_promiscuous_disable(PORT_ID(sdev));
160 DEBUG("promiscuous already set");
163 if (dev->data->all_multicast != edev->data->all_multicast) {
164 DEBUG("Configuring all_multicast");
165 if (dev->data->all_multicast)
166 rte_eth_allmulticast_enable(PORT_ID(sdev));
168 rte_eth_allmulticast_disable(PORT_ID(sdev));
170 DEBUG("all_multicast already set");
173 if (dev->data->mtu != edev->data->mtu) {
174 DEBUG("Configuring MTU");
175 ret = rte_eth_dev_set_mtu(PORT_ID(sdev), dev->data->mtu);
177 ERROR("Failed to apply MTU");
181 DEBUG("MTU already set");
184 DEBUG("Configuring default MAC address");
185 ret = rte_eth_dev_default_mac_addr_set(PORT_ID(sdev),
186 &dev->data->mac_addrs[0]);
188 ERROR("Setting default MAC address failed");
192 if (PRIV(dev)->nb_mac_addr > 1)
193 DEBUG("Configure additional MAC address%s",
194 (PRIV(dev)->nb_mac_addr > 2 ? "es" : ""));
195 for (i = 1; i < PRIV(dev)->nb_mac_addr; i++) {
196 struct ether_addr *ea;
198 ea = &dev->data->mac_addrs[i];
199 ret = rte_eth_dev_mac_addr_add(PORT_ID(sdev), ea,
200 PRIV(dev)->mac_addr_pool[i]);
202 char ea_fmt[ETHER_ADDR_FMT_SIZE];
204 ether_format_addr(ea_fmt, ETHER_ADDR_FMT_SIZE, ea);
205 ERROR("Adding MAC address %s failed", ea_fmt);
209 vfc1 = &dev->data->vlan_filter_conf;
210 vfc2 = &edev->data->vlan_filter_conf;
211 if (memcmp(vfc1, vfc2, sizeof(struct rte_vlan_filter_conf))) {
217 DEBUG("Configuring VLAN filter");
218 for (i = 0; i < RTE_DIM(vfc1->ids); i++) {
219 if (vfc1->ids[i] == 0)
224 /* count trailing zeroes */
225 vbit = ~ids & (ids - 1);
226 /* clear least significant bit set */
227 ids ^= (ids ^ (ids - 1)) ^ vbit;
228 for (; vbit; vlan_id++)
230 ret = rte_eth_dev_vlan_filter(
231 PORT_ID(sdev), vlan_id, 1);
233 ERROR("Failed to apply VLAN filter %hu",
240 DEBUG("VLAN filter already set");
243 if (TAILQ_EMPTY(&PRIV(dev)->flow_list)) {
244 DEBUG("rte_flow already set");
246 DEBUG("Resetting rte_flow configuration");
247 ret = rte_flow_flush(PORT_ID(sdev), &ferror);
249 fs_flow_complain(&ferror);
254 DEBUG("Configuring rte_flow");
255 TAILQ_FOREACH(flow, &PRIV(dev)->flow_list, next) {
256 DEBUG("Creating flow #%" PRIu32, i++);
257 flow->flows[SUB_ID(sdev)] =
258 rte_flow_create(PORT_ID(sdev),
268 fs_flow_complain(&ferror);
276 fs_dev_remove(struct sub_device *sdev)
282 switch (sdev->state) {
284 rte_eth_dev_stop(PORT_ID(sdev));
285 sdev->state = DEV_ACTIVE;
288 rte_eth_dev_close(PORT_ID(sdev));
289 sdev->state = DEV_PROBED;
292 ret = rte_eal_hotplug_remove(sdev->bus->name,
295 ERROR("Bus detach failed for sub_device %u",
298 ETH(sdev)->state = RTE_ETH_DEV_UNUSED;
300 sdev->state = DEV_PARSED;
304 sdev->state = DEV_UNDEFINED;
308 failsafe_hotplug_alarm_install(sdev->fs_dev);
312 fs_rxtx_clean(struct sub_device *sdev)
316 for (i = 0; i < ETH(sdev)->data->nb_rx_queues; i++)
317 if (FS_ATOMIC_RX(sdev, i))
319 for (i = 0; i < ETH(sdev)->data->nb_tx_queues; i++)
320 if (FS_ATOMIC_TX(sdev, i))
326 failsafe_dev_remove(struct rte_eth_dev *dev)
328 struct sub_device *sdev;
331 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
332 if (sdev->remove && fs_rxtx_clean(sdev))
337 failsafe_eth_dev_state_sync(struct rte_eth_dev *dev)
339 struct sub_device *sdev;
344 if (PRIV(dev)->state < DEV_PARSED)
347 ret = failsafe_args_parse_subs(dev);
351 if (PRIV(dev)->state < DEV_PROBED)
353 ret = failsafe_eal_init(dev);
356 if (PRIV(dev)->state < DEV_ACTIVE)
359 FOREACH_SUBDEV(sdev, i, dev) {
360 if (sdev->state == DEV_PROBED) {
361 inactive |= UINT32_C(1) << i;
362 ret = eth_dev_flow_isolate_set(dev, sdev);
364 ERROR("Could not apply configuration to sub_device %d",
370 ret = dev->dev_ops->dev_configure(dev);
373 FOREACH_SUBDEV(sdev, i, dev) {
374 if (inactive & (UINT32_C(1) << i)) {
375 ret = fs_eth_dev_conf_apply(dev, sdev);
377 ERROR("Could not apply configuration to sub_device %d",
384 * If new devices have been configured, check if
385 * the link state has changed.
388 dev->dev_ops->link_update(dev, 1);
389 if (PRIV(dev)->state < DEV_STARTED)
391 ret = dev->dev_ops->dev_start(dev);
396 FOREACH_SUBDEV(sdev, i, dev)
397 if (sdev->state != PRIV(dev)->state)
403 failsafe_eth_rmv_event_callback(uint8_t port_id __rte_unused,
404 enum rte_eth_event_type event __rte_unused,
405 void *cb_arg, void *out __rte_unused)
407 struct sub_device *sdev = cb_arg;
409 /* Switch as soon as possible tx_dev. */
410 fs_switch_dev(sdev->fs_dev, sdev);
411 /* Use safe bursts in any case. */
412 set_burst_fn(sdev->fs_dev, 1);
414 * Async removal, the sub-PMD will try to unregister
415 * the callback at the source of the current thread context.
422 failsafe_eth_lsc_event_callback(uint8_t port_id __rte_unused,
423 enum rte_eth_event_type event __rte_unused,
424 void *cb_arg, void *out __rte_unused)
426 struct rte_eth_dev *dev = cb_arg;
429 ret = dev->dev_ops->link_update(dev, 0);
430 /* We must pass on the LSC event */
432 return _rte_eth_dev_callback_process(dev,
433 RTE_ETH_EVENT_INTR_LSC,