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38 #include <sys/queue.h>
41 #include <rte_common.h>
43 struct vdev_driver_list vdev_driver_list =
44 TAILQ_HEAD_INITIALIZER(vdev_driver_list);
46 /* register a driver */
48 rte_eal_vdrv_register(struct rte_vdev_driver *driver)
50 TAILQ_INSERT_TAIL(&vdev_driver_list, driver, next);
51 rte_eal_driver_register(&driver->driver);
54 /* unregister a driver */
56 rte_eal_vdrv_unregister(struct rte_vdev_driver *driver)
58 rte_eal_driver_unregister(&driver->driver);
59 TAILQ_REMOVE(&vdev_driver_list, driver, next);
63 rte_eal_vdev_init(const char *name, const char *args)
65 struct rte_vdev_driver *driver;
70 TAILQ_FOREACH(driver, &vdev_driver_list, next) {
72 * search a driver prefix in virtual device name.
73 * For example, if the driver is pcap PMD, driver->name
74 * will be "net_pcap", but "name" will be "net_pcapN".
75 * So use strncmp to compare.
77 if (!strncmp(driver->driver.name, name,
78 strlen(driver->driver.name)))
79 return driver->probe(name, args);
82 /* Give new names precedence over aliases. */
83 TAILQ_FOREACH(driver, &vdev_driver_list, next) {
84 if (driver->driver.alias &&
85 !strncmp(driver->driver.alias, name,
86 strlen(driver->driver.alias)))
87 return driver->probe(name, args);
90 RTE_LOG(ERR, EAL, "no driver found for %s\n", name);
95 rte_eal_vdev_uninit(const char *name)
97 struct rte_vdev_driver *driver;
102 TAILQ_FOREACH(driver, &vdev_driver_list, next) {
104 * search a driver prefix in virtual device name.
105 * For example, if the driver is pcap PMD, driver->name
106 * will be "net_pcap", but "name" will be "net_pcapN".
107 * So use strncmp to compare.
109 if (!strncmp(driver->driver.name, name,
110 strlen(driver->driver.name)))
111 return driver->remove(name);
114 /* Give new names precedence over aliases. */
115 TAILQ_FOREACH(driver, &vdev_driver_list, next) {
116 if (driver->driver.alias &&
117 !strncmp(driver->driver.alias, name,
118 strlen(driver->driver.alias)))
119 return driver->remove(name);
122 RTE_LOG(ERR, EAL, "no driver found for %s\n", name);