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qtnfmac: add missing bss record to host scan cache

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Make sure that valid BSS entry exists in wireless core record
even in the case of successful connect reported by firmware.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Sergey Matyukevich 2019-01-14 09:39:47 +00:00 committed by Kalle Valo
parent ff233cb515
commit 23781af741
2 changed files with 78 additions and 5 deletions
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79
drivers/net/wireless/quantenna/qtnfmac/event.c
View File

@ -145,6 +145,12 @@ qtnf_event_handle_bss_join(struct qtnf_vif *vif,
const struct qlink_event_bss_join *join_info,
u16 len)
{
struct wiphy *wiphy = priv_to_wiphy(vif->mac);
enum ieee80211_statuscode status = le16_to_cpu(join_info->status);
struct cfg80211_chan_def chandef;
struct cfg80211_bss *bss = NULL;
u8 *ie = NULL;
if (unlikely(len < sizeof(*join_info))) {
pr_err("VIF%u.%u: payload is too short (%u < %zu)\n",
vif->mac->macid, vif->vifid, len,
@ -158,15 +164,80 @@ qtnf_event_handle_bss_join(struct qtnf_vif *vif,
return -EPROTO;
}
pr_debug("VIF%u.%u: BSSID:%pM\n", vif->mac->macid, vif->vifid,
join_info->bssid);
pr_debug("VIF%u.%u: BSSID:%pM status:%u\n",
vif->mac->macid, vif->vifid, join_info->bssid, status);
if (status == WLAN_STATUS_SUCCESS) {
qlink_chandef_q2cfg(wiphy, &join_info->chan, &chandef);
if (!cfg80211_chandef_valid(&chandef)) {
pr_warn("MAC%u.%u: bad channel freq=%u cf1=%u cf2=%u bw=%u\n",
vif->mac->macid, vif->vifid,
chandef.chan->center_freq,
chandef.center_freq1,
chandef.center_freq2,
chandef.width);
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto done;
}
bss = cfg80211_get_bss(wiphy, chandef.chan, join_info->bssid,
NULL, 0, IEEE80211_BSS_TYPE_ESS,
IEEE80211_PRIVACY_ANY);
if (!bss) {
pr_warn("VIF%u.%u: add missing BSS:%pM chan:%u\n",
vif->mac->macid, vif->vifid,
join_info->bssid, chandef.chan->hw_value);
if (!vif->wdev.ssid_len) {
pr_warn("VIF%u.%u: SSID unknown for BSS:%pM\n",
vif->mac->macid, vif->vifid,
join_info->bssid);
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto done;
}
ie = kzalloc(2 + vif->wdev.ssid_len, GFP_KERNEL);
if (!ie) {
pr_warn("VIF%u.%u: IE alloc failed for BSS:%pM\n",
vif->mac->macid, vif->vifid,
join_info->bssid);
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto done;
}
ie[0] = WLAN_EID_SSID;
ie[1] = vif->wdev.ssid_len;
memcpy(ie + 2, vif->wdev.ssid, vif->wdev.ssid_len);
bss = cfg80211_inform_bss(wiphy, chandef.chan,
CFG80211_BSS_FTYPE_UNKNOWN,
join_info->bssid, 0,
WLAN_CAPABILITY_ESS, 100,
ie, 2 + vif->wdev.ssid_len,
0, GFP_KERNEL);
if (!bss) {
pr_warn("VIF%u.%u: can't connect to unknown BSS: %pM\n",
vif->mac->macid, vif->vifid,
join_info->bssid);
status = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto done;
}
}
}
done:
cfg80211_connect_result(vif->netdev, join_info->bssid, NULL, 0, NULL,
0, le16_to_cpu(join_info->status), GFP_KERNEL);
0, status, GFP_KERNEL);
if (bss) {
if (!ether_addr_equal(vif->bssid, join_info->bssid))
ether_addr_copy(vif->bssid, join_info->bssid);
cfg80211_put_bss(wiphy, bss);
}
if (le16_to_cpu(join_info->status) == WLAN_STATUS_SUCCESS)
if (status == WLAN_STATUS_SUCCESS)
netif_carrier_on(vif->netdev);
kfree(ie);
return 0;
}

4
drivers/net/wireless/quantenna/qtnfmac/qlink.h
View File

@ -6,7 +6,7 @@
#include <linux/ieee80211.h>
#define QLINK_PROTO_VER 12
#define QLINK_PROTO_VER 13
#define QLINK_MACID_RSVD 0xFF
#define QLINK_VIFID_RSVD 0xFF
@ -975,11 +975,13 @@ struct qlink_event_sta_deauth {
/**
* struct qlink_event_bss_join - data for QLINK_EVENT_BSS_JOIN event
*
* @chan: new operating channel definition
* @bssid: BSSID of a BSS which interface tried to joined.
* @status: status of joining attempt, see &enum ieee80211_statuscode.
*/
struct qlink_event_bss_join {
struct qlink_event ehdr;
struct qlink_chandef chan;
u8 bssid[ETH_ALEN];
__le16 status;
} __packed;