mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2025-10-31 13:17:25 +01:00
netdev: Move netdev enumeration to netdev.c
This commit is contained in:
Denis Kenzior
parent
833ed20b9a
commit
d6c6e4acda
@ -24,6 +24,7 @@
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struct scan_bss;
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struct wiphy;
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struct netdev;
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struct device;
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typedef void (*device_watch_func_t)(struct device *device, void *userdata);
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@ -49,5 +50,8 @@ void device_connect_network(struct device *device, struct network *network,
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uint32_t device_get_ifindex(struct device *device);
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const uint8_t *device_get_address(struct device *device);
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struct device *device_create(struct wiphy *wiphy, struct netdev *netdev);
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void device_remove(struct device *device);
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bool device_init(void);
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bool device_exit(void);
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101
src/netdev.c
101
src/netdev.c
@ -33,6 +33,7 @@
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#include "linux/nl80211.h"
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#include "src/wiphy.h"
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#include "src/device.h"
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#include "src/netdev.h"
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struct netdev {
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@ -159,6 +160,99 @@ struct netdev *netdev_find(int ifindex)
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return l_queue_find(netdev_list, netdev_match, L_UINT_TO_PTR(ifindex));
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}
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static void netdev_get_interface_callback(struct l_genl_msg *msg,
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void *user_data)
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{
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struct l_genl_attr attr;
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uint16_t type, len;
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const void *data;
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const char *ifname;
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uint16_t ifname_len;
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const uint8_t *ifaddr;
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const uint32_t *ifindex, *iftype;
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struct netdev *netdev;
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struct wiphy *wiphy = NULL;
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if (!l_genl_attr_init(&attr, msg))
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return;
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while (l_genl_attr_next(&attr, &type, &len, &data)) {
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switch (type) {
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case NL80211_ATTR_IFINDEX:
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if (len != sizeof(uint32_t)) {
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l_warn("Invalid interface index attribute");
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return;
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}
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ifindex = data;
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break;
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case NL80211_ATTR_IFNAME:
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if (len > IFNAMSIZ) {
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l_warn("Invalid interface name attribute");
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return;
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}
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ifname = data;
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ifname_len = len;
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break;
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case NL80211_ATTR_WIPHY:
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if (len != sizeof(uint32_t)) {
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l_warn("Invalid wiphy attribute");
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return;
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}
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wiphy = wiphy_find(*((uint32_t *) data));
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break;
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case NL80211_ATTR_IFTYPE:
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if (len != sizeof(uint32_t)) {
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l_warn("Invalid interface type attribute");
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return;
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}
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iftype = data;
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break;
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case NL80211_ATTR_MAC:
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if (len != ETH_ALEN) {
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l_warn("Invalid interface address attribute");
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return;
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}
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ifaddr = data;
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break;
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}
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}
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if (!wiphy) {
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l_warn("Missing wiphy attribute or wiphy not found");
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return;
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}
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if (!ifindex || !ifaddr | !ifname) {
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l_warn("Unable to parse interface information");
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return;
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}
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if (netdev_find(*ifindex)) {
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l_debug("Skipping duplicate netdev %s[%d]", ifname, *ifindex);
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return;
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}
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netdev = l_new(struct netdev, 1);
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netdev->index = *ifindex;
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netdev->type = *iftype;
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memcpy(netdev->addr, ifaddr, sizeof(netdev->addr));
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memcpy(netdev->name, ifname, ifname_len);
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l_queue_push_tail(netdev_list, netdev);
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l_debug("Found interface %s[%d]", netdev->name, netdev->index);
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device_create(wiphy, netdev);
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}
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static void netdev_config_notify(struct l_genl_msg *msg, void *user_data)
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{
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struct l_genl_attr attr;
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@ -217,6 +311,8 @@ static void netdev_config_notify(struct l_genl_msg *msg, void *user_data)
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bool netdev_init(struct l_genl_family *in)
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{
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struct l_genl_msg *msg;
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if (rtnl)
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return false;
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@ -239,6 +335,11 @@ bool netdev_init(struct l_genl_family *in)
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NULL, NULL))
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l_error("Registering for config notification failed");
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msg = l_genl_msg_new(NL80211_CMD_GET_INTERFACE);
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if (!l_genl_family_dump(nl80211, msg, netdev_get_interface_callback,
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NULL, NULL))
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l_error("Getting all interface information failed");
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return true;
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}
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246
src/wiphy.c
246
src/wiphy.c
@ -64,7 +64,6 @@ enum device_state {
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struct device {
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uint32_t index;
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char name[IFNAMSIZ];
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uint32_t type;
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uint8_t addr[ETH_ALEN];
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enum device_state state;
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struct l_queue *bss_list;
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@ -89,7 +88,6 @@ struct wiphy {
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uint32_t id;
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char name[20];
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uint32_t feature_flags;
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struct l_queue *netdev_list;
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bool support_scheduled_scan:1;
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bool support_rekey_offload:1;
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uint16_t pairwise_ciphers;
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@ -103,6 +101,7 @@ struct autoconnect_entry {
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};
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static struct l_queue *wiphy_list = NULL;
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static struct l_queue *device_list;
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static bool new_scan_results(uint32_t wiphy_id, uint32_t ifindex,
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struct l_queue *bss_list, void *userdata);
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@ -345,21 +344,13 @@ uint32_t device_get_ifindex(struct device *device)
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void __iwd_device_foreach(iwd_device_foreach_func func, void *user_data)
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{
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const struct l_queue_entry *wiphy_entry;
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const struct l_queue_entry *device_entry;
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for (wiphy_entry = l_queue_get_entries(wiphy_list); wiphy_entry;
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wiphy_entry = wiphy_entry->next) {
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struct wiphy *wiphy = wiphy_entry->data;
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const struct l_queue_entry *netdev_entry;
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for (device_entry = l_queue_get_entries(device_list); device_entry;
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device_entry = device_entry->next) {
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struct device *device = device_entry->data;
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netdev_entry = l_queue_get_entries(wiphy->netdev_list);
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while (netdev_entry) {
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struct device *device = netdev_entry->data;
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func(device, user_data);
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netdev_entry = netdev_entry->next;
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}
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func(device, user_data);
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}
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}
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@ -518,40 +509,6 @@ static bool bss_match(const void *a, const void *b)
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return !memcmp(bss_a->addr, bss_b->addr, sizeof(bss_a->addr));
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}
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static void device_free(void *data)
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{
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struct device *device = data;
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struct l_dbus *dbus;
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if (device->scan_pending)
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dbus_pending_reply(&device->scan_pending,
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dbus_error_aborted(device->scan_pending));
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if (device->connect_pending)
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dbus_pending_reply(&device->connect_pending,
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dbus_error_aborted(device->connect_pending));
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__device_watch_call_removed(device);
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dbus = dbus_get_bus();
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l_dbus_unregister_object(dbus, device_get_path(device));
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l_debug("Freeing interface %s", device->name);
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l_hashmap_destroy(device->networks, network_free);
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l_queue_destroy(device->bss_list, bss_free);
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l_queue_destroy(device->old_bss_list, bss_free);
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l_queue_destroy(device->autoconnect_list, l_free);
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l_io_destroy(device->eapol_io);
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scan_ifindex_remove(device->index);
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netdev_set_linkmode_and_operstate(device->index, 0, IF_OPER_DOWN,
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NULL, NULL);
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l_free(device);
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}
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static bool device_match(const void *a, const void *b)
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{
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const struct device *device = a;
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@ -589,7 +546,6 @@ static void wiphy_free(void *data)
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l_debug("Freeing wiphy %s", wiphy->name);
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scan_freq_set_free(wiphy->supported_freqs);
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l_queue_destroy(wiphy->netdev_list, device_free);
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l_free(wiphy);
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}
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@ -1364,136 +1320,80 @@ static bool new_scan_results(uint32_t wiphy_id, uint32_t ifindex,
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return true;
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}
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static void interface_dump_callback(struct l_genl_msg *msg, void *user_data)
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struct device *device_create(struct wiphy *wiphy, struct netdev *netdev)
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{
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struct wiphy *wiphy = NULL;
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struct device *device;
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struct l_genl_attr attr;
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uint16_t type, len;
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const void *data;
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char ifname[IFNAMSIZ];
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uint8_t ifaddr[ETH_ALEN];
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uint32_t ifindex, iftype;
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struct l_dbus *dbus = dbus_get_bus();
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uint32_t ifindex = netdev_get_ifindex(netdev);
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if (!l_genl_attr_init(&attr, msg))
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return;
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device = l_new(struct device, 1);
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device->bss_list = l_queue_new();
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device->networks = l_hashmap_new();
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l_hashmap_set_hash_function(device->networks, l_str_hash);
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l_hashmap_set_compare_function(device->networks,
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(l_hashmap_compare_func_t) strcmp);
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strcpy(device->name, netdev_get_name(netdev));
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memcpy(device->addr, netdev_get_address(netdev), sizeof(device->addr));
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device->index = ifindex;
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device->wiphy = wiphy;
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memset(ifname, 0, sizeof(ifname));
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memset(ifaddr, 0, sizeof(ifaddr));
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iftype = NL80211_IFTYPE_UNSPECIFIED;
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ifindex = 0;
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l_queue_push_head(device_list, device);
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/*
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* The interface index and interface name attributes are normally
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* listed before the wiphy attribute. This handling assumes that
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* all attributes are included in the same message.
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*
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* If any required attribute is missing, the whole message will
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* be ignored.
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*/
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while (l_genl_attr_next(&attr, &type, &len, &data)) {
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switch (type) {
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case NL80211_ATTR_IFINDEX:
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if (len != sizeof(uint32_t)) {
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l_warn("Invalid interface index attribute");
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return;
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}
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if (!l_dbus_object_add_interface(dbus, device_get_path(device),
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IWD_DEVICE_INTERFACE, device))
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l_info("Unable to register %s interface", IWD_DEVICE_INTERFACE);
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ifindex = *((uint32_t *) data);
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break;
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__device_watch_call_added(device);
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case NL80211_ATTR_IFNAME:
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if (len > sizeof(ifname)) {
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l_warn("Invalid interface name attribute");
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return;
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}
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memcpy(ifname, data, len);
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break;
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case NL80211_ATTR_WIPHY:
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if (len != sizeof(uint32_t)) {
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l_warn("Invalid wiphy attribute");
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return;
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}
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wiphy = l_queue_find(wiphy_list, wiphy_match,
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L_UINT_TO_PTR(*((uint32_t *) data)));
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break;
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case NL80211_ATTR_IFTYPE:
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if (len != sizeof(uint32_t)) {
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l_warn("Invalid interface type attribute");
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return;
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}
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iftype = *((uint32_t *) data);
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break;
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case NL80211_ATTR_MAC:
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if (len != sizeof(ifaddr)) {
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l_warn("Invalid interface address attribute");
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return;
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}
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memcpy(ifaddr, data, len);
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break;
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}
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}
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if (!wiphy) {
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l_warn("Missing wiphy attribute or wiphy not found");
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return;
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}
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if (!ifindex) {
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l_warn("Missing interface index attribute");
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return;
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}
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device = l_queue_find(wiphy->netdev_list, device_match,
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L_UINT_TO_PTR(ifindex));
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if (!device) {
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struct l_dbus *dbus = dbus_get_bus();
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device = l_new(struct device, 1);
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device->bss_list = l_queue_new();
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device->networks = l_hashmap_new();
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l_hashmap_set_hash_function(device->networks, l_str_hash);
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l_hashmap_set_compare_function(device->networks,
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(l_hashmap_compare_func_t) strcmp);
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memcpy(device->name, ifname, sizeof(device->name));
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memcpy(device->addr, ifaddr, sizeof(device->addr));
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device->index = ifindex;
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device->type = iftype;
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device->wiphy = wiphy;
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l_queue_push_head(wiphy->netdev_list, device);
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if (!l_dbus_object_add_interface(dbus,
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device_get_path(device),
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IWD_DEVICE_INTERFACE, device))
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l_info("Unable to register %s interface",
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IWD_DEVICE_INTERFACE);
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__device_watch_call_added(device);
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netdev_set_linkmode_and_operstate(device->index, 1,
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netdev_set_linkmode_and_operstate(device->index, 1,
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IF_OPER_DORMANT, NULL, NULL);
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scan_ifindex_add(device->index);
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device_enter_state(device, DEVICE_STATE_AUTOCONNECT);
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}
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l_debug("Found interface %s", device->name);
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scan_ifindex_add(device->index);
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device_enter_state(device, DEVICE_STATE_AUTOCONNECT);
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device->eapol_io = eapol_open_pae(device->index);
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if (!device->eapol_io) {
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if (device->eapol_io)
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l_io_set_read_handler(device->eapol_io, eapol_read,
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device, NULL);
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else
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l_error("Failed to open PAE socket");
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return;
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}
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l_io_set_read_handler(device->eapol_io, eapol_read, device, NULL);
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return device;
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}
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void device_remove(struct device *device)
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{
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struct l_dbus *dbus;
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l_debug("");
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l_queue_remove(device_list, device);
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if (device->scan_pending)
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dbus_pending_reply(&device->scan_pending,
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dbus_error_aborted(device->scan_pending));
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if (device->connect_pending)
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dbus_pending_reply(&device->connect_pending,
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dbus_error_aborted(device->connect_pending));
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__device_watch_call_removed(device);
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dbus = dbus_get_bus();
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l_dbus_unregister_object(dbus, device_get_path(device));
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l_hashmap_destroy(device->networks, network_free);
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l_queue_destroy(device->bss_list, bss_free);
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l_queue_destroy(device->old_bss_list, bss_free);
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l_queue_destroy(device->autoconnect_list, l_free);
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l_io_destroy(device->eapol_io);
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scan_ifindex_remove(device->index);
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netdev_set_linkmode_and_operstate(device->index, 0, IF_OPER_DOWN,
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NULL, NULL);
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l_free(device);
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}
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struct wiphy *wiphy_find(int wiphy_id)
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@ -1659,7 +1559,6 @@ static void wiphy_dump_callback(struct l_genl_msg *msg, void *user_data)
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if (!wiphy) {
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wiphy = l_new(struct wiphy, 1);
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wiphy->id = id;
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wiphy->netdev_list = l_queue_new();
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wiphy->supported_freqs = scan_freq_set_new();
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l_queue_push_head(wiphy_list, wiphy);
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}
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@ -1827,7 +1726,7 @@ static void wiphy_mlme_notify(struct l_genl_msg *msg, void *user_data)
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return;
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}
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device = l_queue_find(wiphy->netdev_list, device_match,
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device = l_queue_find(device_list, device_match,
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L_UINT_TO_PTR(*((uint32_t *) data)));
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if (!device) {
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l_warn("No interface structure found");
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@ -1973,6 +1872,7 @@ bool wiphy_init(struct l_genl_family *in)
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__eapol_set_deauthenticate_func(handshake_failed);
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wiphy_list = l_queue_new();
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device_list = l_queue_new();
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msg = l_genl_msg_new(NL80211_CMD_GET_PROTOCOL_FEATURES);
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if (!l_genl_family_send(nl80211, msg, protocol_features_callback,
|
||||
@ -1989,11 +1889,6 @@ bool wiphy_init(struct l_genl_family *in)
|
||||
NULL, wiphy_dump_done))
|
||||
l_error("Getting all wiphy devices failed");
|
||||
|
||||
msg = l_genl_msg_new(NL80211_CMD_GET_INTERFACE);
|
||||
if (!l_genl_family_dump(nl80211, msg, interface_dump_callback,
|
||||
NULL, NULL))
|
||||
l_error("Getting all interface information failed");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -2002,6 +1897,9 @@ bool wiphy_exit(void)
|
||||
l_queue_destroy(wiphy_list, wiphy_free);
|
||||
wiphy_list = NULL;
|
||||
|
||||
l_queue_destroy(device_list, (l_queue_destroy_func_t) device_remove);
|
||||
device_list = NULL;
|
||||
|
||||
nl80211 = NULL;
|
||||
|
||||
l_dbus_unregister_interface(dbus_get_bus(), IWD_DEVICE_INTERFACE);
|
||||
|
||||
@ -25,6 +25,7 @@
|
||||
|
||||
struct wiphy;
|
||||
struct device;
|
||||
struct netdev;
|
||||
|
||||
typedef void (*iwd_device_foreach_func)(struct device *, void *data);
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user