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netdev: Register for and parse Neighbor Report responses

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This commit is contained in:
Andrew Zaborowski 2016-12-23 05:38:02 -05:00 committed by Denis Kenzior
parent dafa43fa54
commit fbb7a72643
1 changed files with 61 additions and 0 deletions
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61
src/netdev.c
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@ -1584,6 +1584,42 @@ int netdev_neighbor_report_req(struct netdev *netdev,
return 0;
}
static void netdev_radio_measurement_frame_event(struct netdev *netdev,
const uint8_t *data, size_t len)
{
uint8_t action;
if (len < 2) {
l_debug("Radio Measurement frame too short");
return;
}
action = data[0];
switch (action) {
case 5: /* Neighbor Report Response */
if (!netdev->neighbor_report_cb)
break;
/*
* Don't use the dialog token, return the first Neighbor
* Report Response received.
*/
netdev->neighbor_report_cb(netdev, data + 2, len - 2,
netdev->user_data);
netdev->neighbor_report_cb = NULL;
l_timeout_remove(netdev->neighbor_report_timeout);
break;
default:
l_debug("Unknown radio measurement action %u received", action);
break;
}
}
static void netdev_action_frame_event(struct netdev *netdev,
const uint8_t *data, size_t len)
{
@ -1597,6 +1633,10 @@ static void netdev_action_frame_event(struct netdev *netdev,
category = data[0];
switch (category) {
case 5: /* Radio Measurement */
netdev_radio_measurement_frame_event(netdev, data + 1, len - 1);
break;
default:
l_debug("Unknown action frame category %u received", category);
break;
@ -1923,6 +1963,22 @@ check_blacklist:
return true;
}
static void netdev_register_frame(struct netdev *netdev, uint16_t frame_type,
const uint8_t *prefix,
size_t prefix_len)
{
struct l_genl_msg *msg;
msg = l_genl_msg_new_sized(NL80211_CMD_REGISTER_FRAME, 128);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
l_genl_msg_append_attr(msg, NL80211_ATTR_FRAME_TYPE, 2, &frame_type);
l_genl_msg_append_attr(msg, NL80211_ATTR_FRAME_MATCH,
prefix_len, prefix);
l_genl_family_send(nl80211, msg, NULL, NULL, NULL);
}
static void netdev_create_from_genl(struct l_genl_msg *msg)
{
struct l_genl_attr attr;
@ -1936,6 +1992,7 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
struct wiphy *wiphy = NULL;
struct ifinfomsg *rtmmsg;
size_t bufsize;
const uint8_t action_neighbor_report_prefix[2] = { 0x05, 0x05 };
if (!l_genl_attr_init(&attr, msg))
return;
@ -2047,6 +2104,10 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
netdev_getlink_cb, netdev, NULL);
l_free(rtmmsg);
/* Subscribe to Management -> Action -> RM -> Neighbor Report frames */
netdev_register_frame(netdev, 0x00d0, action_neighbor_report_prefix,
sizeof(action_neighbor_report_prefix));
}
static void netdev_get_interface_callback(struct l_genl_msg *msg,