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nl80211: Add vendor event parsing for DFS offload events

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This converts the QCA vendor event to EVENT_DFS_* events for the case
of DFS offloaded to the driver.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Ahmad Kholaif 2015-03-04 18:16:10 -08:00 committed by Jouni Malinen
parent bd0f68c473
commit 02e42ab75b
1 changed files with 93 additions and 0 deletions
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93
src/drivers/driver_nl80211_event.c
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@ -1531,6 +1531,92 @@ static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
}
static void qca_nl80211_dfs_offload_radar_event(
struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length)
{
union wpa_event_data data;
struct nlattr *tb[NL80211_ATTR_MAX + 1];
wpa_printf(MSG_DEBUG,
"nl80211: DFS offload radar vendor event received");
if (nla_parse(tb, NL80211_ATTR_MAX,
(struct nlattr *) msg, length, NULL))
return;
if (!tb[NL80211_ATTR_WIPHY_FREQ]) {
wpa_printf(MSG_INFO,
"nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event");
return;
}
os_memset(&data, 0, sizeof(data));
data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
data.dfs_event.freq);
/* Check HT params */
if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
data.dfs_event.ht_enabled = 1;
data.dfs_event.chan_offset = 0;
switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
case NL80211_CHAN_NO_HT:
data.dfs_event.ht_enabled = 0;
break;
case NL80211_CHAN_HT20:
break;
case NL80211_CHAN_HT40PLUS:
data.dfs_event.chan_offset = 1;
break;
case NL80211_CHAN_HT40MINUS:
data.dfs_event.chan_offset = -1;
break;
}
}
/* Get VHT params */
if (tb[NL80211_ATTR_CHANNEL_WIDTH])
data.dfs_event.chan_width =
convert2width(nla_get_u32(
tb[NL80211_ATTR_CHANNEL_WIDTH]));
if (tb[NL80211_ATTR_CENTER_FREQ1])
data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
if (tb[NL80211_ATTR_CENTER_FREQ2])
data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, "
"offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
data.dfs_event.freq, data.dfs_event.ht_enabled,
data.dfs_event.chan_offset, data.dfs_event.chan_width,
data.dfs_event.cf1, data.dfs_event.cf2);
switch (subcmd) {
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
break;
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
break;
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
break;
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
break;
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
break;
default:
wpa_printf(MSG_DEBUG,
"nl80211: Unknown DFS offload radar event %d received",
subcmd);
break;
}
}
static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
u32 subcmd, u8 *data, size_t len)
{
@ -1547,6 +1633,13 @@ static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
qca_nl80211_acs_select_ch(drv, data, len);
break;
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len);
break;
default:
wpa_printf(MSG_DEBUG,
"nl80211: Ignore unsupported QCA vendor event %u",