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wil6210: improve mgmt frame handling

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Check event length;
hex dump both Rx and Tx frames

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Vladimir Kondratiev 2015-07-30 13:51:57 +03:00 • committed by Kalle Valo
parent 3d4bde1531
commit 90d89e9aaa
1 changed files with 43 additions and 9 deletions
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52
drivers/net/wireless/ath/wil6210/wmi.c
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@ -312,22 +312,44 @@ static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
struct wiphy *wiphy = wil_to_wiphy(wil); struct wiphy *wiphy = wil_to_wiphy(wil);
struct ieee80211_mgmt *rx_mgmt_frame = struct ieee80211_mgmt *rx_mgmt_frame =
(struct ieee80211_mgmt *)data->payload; (struct ieee80211_mgmt *)data->payload;
int ch_no = data->info.channel+1; int flen = len - offsetof(struct wmi_rx_mgmt_packet_event, payload);
u32 freq = ieee80211_channel_to_frequency(ch_no, int ch_no;
IEEE80211_BAND_60GHZ); u32 freq;
struct ieee80211_channel *channel = ieee80211_get_channel(wiphy, freq); struct ieee80211_channel *channel;
s32 signal = data->info.sqi; s32 signal;
__le16 fc = rx_mgmt_frame->frame_control; __le16 fc;
u32 d_len = le32_to_cpu(data->info.len); u32 d_len;
u16 d_status = le16_to_cpu(data->info.status); u16 d_status;
wil_dbg_wmi(wil, "MGMT: channel %d MCS %d SNR %d SQI %d%%\n", if (flen < 0) {
wil_err(wil, "MGMT Rx: short event, len %d\n", len);
return;
}
d_len = le32_to_cpu(data->info.len);
if (d_len != flen) {
wil_err(wil,
"MGMT Rx: length mismatch, d_len %d should be %d\n",
d_len, flen);
return;
}
ch_no = data->info.channel + 1;
freq = ieee80211_channel_to_frequency(ch_no, IEEE80211_BAND_60GHZ);
channel = ieee80211_get_channel(wiphy, freq);
signal = data->info.sqi;
d_status = le16_to_cpu(data->info.status);
fc = rx_mgmt_frame->frame_control;
wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d SNR %d SQI %d%%\n",
data->info.channel, data->info.mcs, data->info.snr, data->info.channel, data->info.mcs, data->info.snr,
data->info.sqi); data->info.sqi);
wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len, wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
le16_to_cpu(fc)); le16_to_cpu(fc));
wil_dbg_wmi(wil, "qid %d mid %d cid %d\n", wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
data->info.qid, data->info.mid, data->info.cid); data->info.qid, data->info.mid, data->info.cid);
wil_hex_dump_wmi("MGMT Rx ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
d_len, true);
if (!channel) { if (!channel) {
wil_err(wil, "Frame on unsupported channel\n"); wil_err(wil, "Frame on unsupported channel\n");
@ -363,6 +385,17 @@ static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
} }
} }
static void wmi_evt_tx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
{
struct wmi_tx_mgmt_packet_event *data = d;
struct ieee80211_mgmt *mgmt_frame =
(struct ieee80211_mgmt *)data->payload;
int flen = len - offsetof(struct wmi_tx_mgmt_packet_event, payload);
wil_hex_dump_wmi("MGMT Tx ", DUMP_PREFIX_OFFSET, 16, 1, mgmt_frame,
flen, true);
}
static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id, static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id,
void *d, int len) void *d, int len)
{ {
@ -659,6 +692,7 @@ static const struct {
{WMI_READY_EVENTID, wmi_evt_ready}, {WMI_READY_EVENTID, wmi_evt_ready},
{WMI_FW_READY_EVENTID, wmi_evt_fw_ready}, {WMI_FW_READY_EVENTID, wmi_evt_fw_ready},
{WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt}, {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
{WMI_TX_MGMT_PACKET_EVENTID, wmi_evt_tx_mgmt},
{WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete}, {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
{WMI_CONNECT_EVENTID, wmi_evt_connect}, {WMI_CONNECT_EVENTID, wmi_evt_connect},
{WMI_DISCONNECT_EVENTID, wmi_evt_disconnect}, {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},