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wiphy: Refactor get_scan

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This commit is contained in:
Denis Kenzior 2014-10-28 11:14:40 -05:00
parent 6917824be9
commit 39fde81dba
1 changed files with 51 additions and 23 deletions
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74
src/wiphy.c
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@ -420,12 +420,13 @@ fail:
static void get_scan_callback(struct l_genl_msg *msg, void *user_data)
{
struct wiphy *wiphy = user_data;
struct netdev *netdev = NULL;
struct netdev *netdev = user_data;
struct l_genl_attr attr, nested;
uint16_t type, len;
const void *data;
l_debug("get_scan_callback");
if (!l_genl_attr_init(&attr, msg))
return;
@ -437,14 +438,12 @@ static void get_scan_callback(struct l_genl_msg *msg, void *user_data)
return;
}
netdev = l_queue_find(wiphy->netdev_list, netdev_match,
L_UINT_TO_PTR(*((uint32_t *) data)));
if (!netdev) {
l_warn("No interface structure found");
if (netdev->index != *((uint32_t *) data)) {
l_warn("ifindex mismatch");
return;
}
break;
break;
case NL80211_ATTR_BSS:
if (!netdev) {
l_warn("No interface structure found");
@ -460,21 +459,21 @@ static void get_scan_callback(struct l_genl_msg *msg, void *user_data)
}
}
static void get_scan(struct wiphy *wiphy)
static void get_scan_done(void *user)
{
struct netdev *netdev = user;
l_debug("get_scan_done for netdev: %p", netdev);
}
static void get_scan(struct netdev *netdev)
{
struct netdev *netdev;
struct l_genl_msg *msg;
if (!network_ssid)
return;
netdev = l_queue_peek_head(wiphy->netdev_list);
if (!netdev)
return;
msg = l_genl_msg_new_sized(NL80211_CMD_GET_SCAN, 8);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
l_genl_family_dump(nl80211, msg, get_scan_callback, wiphy, NULL);
l_genl_family_dump(nl80211, msg, get_scan_callback, netdev,
get_scan_done);
l_genl_msg_unref(msg);
}
@ -689,10 +688,15 @@ static void wiphy_config_notify(struct l_genl_msg *msg, void *user_data)
static void wiphy_scan_notify(struct l_genl_msg *msg, void *user_data)
{
struct wiphy *wiphy = NULL;
struct netdev *netdev = NULL;
struct l_genl_attr attr;
uint16_t type, len;
const void *data;
uint8_t cmd;
uint32_t attr_ifindex;
bool have_ifindex;
uint32_t attr_wiphy;
bool have_wiphy;
cmd = l_genl_msg_get_command(msg);
@ -709,23 +713,47 @@ static void wiphy_scan_notify(struct l_genl_msg *msg, void *user_data)
return;
}
wiphy = l_queue_find(wiphy_list, wiphy_match,
L_UINT_TO_PTR(*((uint32_t *) data)));
if (!wiphy) {
l_warn("No wiphy structure found");
have_wiphy = true;
attr_wiphy = *((uint32_t *) data);
break;
case NL80211_ATTR_IFINDEX:
if (len != sizeof(uint32_t)) {
l_warn("Invalid interface index attribute");
return;
}
have_ifindex = true;
attr_ifindex = *((uint32_t *) data);
break;
}
}
if (!have_wiphy) {
l_warn("Scan results do not contain wiphy attribute");
return;
}
if (!have_ifindex) {
l_warn("Scan results do not contain ifindex attribute");
return;
}
wiphy = l_queue_find(wiphy_list, wiphy_match,
L_UINT_TO_PTR(attr_wiphy));
if (!wiphy) {
l_warn("Scan notification is missing wiphy attribute");
l_warn("Scan notification for unknown wiphy");
return;
}
netdev = l_queue_find(wiphy->netdev_list, netdev_match,
L_UINT_TO_PTR(attr_ifindex));
if (!netdev) {
l_warn("Scan notification for unknown ifindex");
return;
}
if (cmd == NL80211_CMD_NEW_SCAN_RESULTS) {
get_scan(wiphy);
get_scan(netdev);
return;
}
}