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netdev: basic support for receiving SA Query requests

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This commit is contained in:
James Prestwood 2018-02-07 13:01:43 -08:00 committed by Denis Kenzior
parent 0afdd64db5
commit 41936468ed
1 changed files with 49 additions and 0 deletions
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49
src/netdev.c
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@ -2765,6 +2765,50 @@ static void netdev_neighbor_report_frame_event(struct netdev *netdev,
l_timeout_remove(netdev->neighbor_report_timeout);
}
static void netdev_sa_query_resp_cb(struct l_genl_msg *msg,
void *user_data)
{
if (l_genl_msg_get_error(msg) < 0)
l_debug("error sending SA Query request");
}
static void netdev_sa_query_req_frame_event(struct netdev *netdev,
const struct mmpdu_header *hdr,
const void *body, size_t body_len,
void *user_data)
{
uint8_t sa_resp[4];
uint16_t transaction;
if (body_len < 4) {
l_debug("SA Query request too short");
return;
}
if (!netdev->connected)
return;
/* only care about SA Queries from our connected AP */
if (memcmp(hdr->address_2, netdev->handshake->aa, 6))
return;
transaction = l_get_u16(body + 2);
sa_resp[0] = 0x08; /* SA Query */
sa_resp[1] = 0x01; /* Response */
memcpy(sa_resp + 2, &transaction, 2);
l_info("received SA Query request from "MAC", transaction=%u",
MAC_STR(hdr->address_2), transaction);
if (!netdev_send_action_frame(netdev, netdev->handshake->aa,
sa_resp, sizeof(sa_resp),
netdev_sa_query_resp_cb)) {
l_error("error sending SA Query response");
return;
}
}
static void netdev_sa_query_resp_frame_event(struct netdev *netdev,
const struct mmpdu_header *hdr,
const void *body, size_t body_len,
@ -3454,6 +3498,7 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
size_t bufsize;
const uint8_t action_neighbor_report_prefix[2] = { 0x05, 0x05 };
const uint8_t action_sa_query_resp_prefix[2] = { 0x08, 0x01 };
const uint8_t action_sa_query_req_prefix[2] = { 0x08, 0x00 };
if (!l_genl_attr_init(&attr, msg))
return;
@ -3570,6 +3615,10 @@ static void netdev_create_from_genl(struct l_genl_msg *msg)
sizeof(action_sa_query_resp_prefix),
netdev_sa_query_resp_frame_event, NULL);
netdev_frame_watch_add(netdev, 0x00d0, action_sa_query_req_prefix,
sizeof(action_sa_query_req_prefix),
netdev_sa_query_req_frame_event, NULL);
/* Set RSSI threshold for CQM notifications */
netdev_cqm_rssi_update(netdev);
}