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qtnfmac: extend "IE set" TLV to include frame type info

Browse Source 
Specifying frame type for "IE set" TLV will allow to use several
TLVs in a single message.
Modify users accordingly.

Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Igor Mitsyanko 2017-10-30 18:04:50 -07:00 committed by Kalle Valo
parent d1398b5b34
commit 18b7470f92
3 changed files with 80 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/net/wireless/quantenna/qtnfmac/commands.c
View File

@ -147,6 +147,21 @@ static struct sk_buff *qtnf_cmd_alloc_new_cmdskb(u8 macid, u8 vifid, u16 cmd_no,
return cmd_skb;
}
static void qtnf_cmd_tlv_ie_set_add(struct sk_buff *cmd_skb, u8 frame_type,
const u8 *buf, size_t len)
{
struct qlink_tlv_ie_set *tlv;
tlv = (struct qlink_tlv_ie_set *)skb_put(cmd_skb, sizeof(*tlv) + len);
tlv->hdr.type = cpu_to_le16(QTN_TLV_ID_IE_SET);
tlv->hdr.len = cpu_to_le16(len + sizeof(*tlv) - sizeof(tlv->hdr));
tlv->type = frame_type;
tlv->flags = 0;
if (len && buf)
memcpy(tlv->ie_data, buf, len);
}
int qtnf_cmd_send_start_ap(struct qtnf_vif *vif)
{
struct sk_buff *cmd_skb;
@ -2028,9 +2043,8 @@ int qtnf_cmd_send_scan(struct qtnf_wmac *mac)
}
if (scan_req->ie_len != 0)
qtnf_cmd_skb_put_tlv_arr(cmd_skb, QTN_TLV_ID_IE_SET,
scan_req->ie,
scan_req->ie_len);
qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_PROBE_REQ,
scan_req->ie, scan_req->ie_len);
if (scan_req->n_channels) {
n_channels = scan_req->n_channels;
@ -2154,9 +2168,8 @@ int qtnf_cmd_send_connect(struct qtnf_vif *vif,
sme->ssid_len);
if (sme->ie_len != 0)
qtnf_cmd_skb_put_tlv_arr(cmd_skb, QTN_TLV_ID_IE_SET,
sme->ie,
sme->ie_len);
qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_ASSOC_REQ,
sme->ie, sme->ie_len);
qtnf_bus_lock(vif->mac->bus);

58
drivers/net/wireless/quantenna/qtnfmac/event.c
View File

@ -65,34 +65,39 @@ qtnf_event_handle_sta_assoc(struct qtnf_wmac *mac, struct qtnf_vif *vif,
sinfo.assoc_req_ies_len = 0;
payload_len = len - sizeof(*sta_assoc);
tlv = (struct qlink_tlv_hdr *)sta_assoc->ies;
tlv = (const struct qlink_tlv_hdr *)sta_assoc->ies;
while (payload_len >= sizeof(struct qlink_tlv_hdr)) {
while (payload_len >= sizeof(*tlv)) {
tlv_type = le16_to_cpu(tlv->type);
tlv_value_len = le16_to_cpu(tlv->len);
tlv_full_len = tlv_value_len + sizeof(struct qlink_tlv_hdr);
if (tlv_full_len > payload_len) {
pr_warn("VIF%u.%u: malformed TLV 0x%.2X; LEN: %u\n",
mac->macid, vif->vifid, tlv_type,
tlv_value_len);
if (tlv_full_len > payload_len)
return -EINVAL;
}
if (tlv_type == QTN_TLV_ID_IE_SET) {
sinfo.assoc_req_ies = tlv->val;
sinfo.assoc_req_ies_len = tlv_value_len;
const struct qlink_tlv_ie_set *ie_set;
unsigned int ie_len;
if (payload_len < sizeof(*ie_set))
return -EINVAL;
ie_set = (const struct qlink_tlv_ie_set *)tlv;
ie_len = tlv_value_len -
(sizeof(*ie_set) - sizeof(ie_set->hdr));
if (ie_set->type == QLINK_IE_SET_ASSOC_REQ && ie_len) {
sinfo.assoc_req_ies = ie_set->ie_data;
sinfo.assoc_req_ies_len = ie_len;
}
}
payload_len -= tlv_full_len;
tlv = (struct qlink_tlv_hdr *)(tlv->val + tlv_value_len);
}
if (payload_len) {
pr_warn("VIF%u.%u: malformed TLV buf; bytes left: %zu\n",
mac->macid, vif->vifid, payload_len);
if (payload_len)
return -EINVAL;
}
cfg80211_new_sta(vif->netdev, sta_assoc->sta_addr, &sinfo,
GFP_KERNEL);
@ -289,27 +294,32 @@ qtnf_event_handle_scan_results(struct qtnf_vif *vif,
tlv_value_len = le16_to_cpu(tlv->len);
tlv_full_len = tlv_value_len + sizeof(struct qlink_tlv_hdr);
if (tlv_full_len > payload_len) {
pr_warn("VIF%u.%u: malformed TLV 0x%.2X; LEN: %u\n",
vif->mac->macid, vif->vifid, tlv_type,
tlv_value_len);
if (tlv_full_len > payload_len)
return -EINVAL;
}
if (tlv_type == QTN_TLV_ID_IE_SET) {
ies = tlv->val;
ies_len = tlv_value_len;
const struct qlink_tlv_ie_set *ie_set;
unsigned int ie_len;
if (payload_len < sizeof(*ie_set))
return -EINVAL;
ie_set = (const struct qlink_tlv_ie_set *)tlv;
ie_len = tlv_value_len -
(sizeof(*ie_set) - sizeof(ie_set->hdr));
if (ie_len) {
ies = ie_set->ie_data;
ies_len = ie_len;
}
}
payload_len -= tlv_full_len;
tlv = (struct qlink_tlv_hdr *)(tlv->val + tlv_value_len);
}
if (payload_len) {
pr_warn("VIF%u.%u: malformed TLV buf; bytes left: %zu\n",
vif->mac->macid, vif->vifid, payload_len);
if (payload_len)
return -EINVAL;
}
bss = cfg80211_inform_bss(wiphy, channel, frame_type,
sr->bssid, get_unaligned_le64(&sr->tsf),

27
drivers/net/wireless/quantenna/qtnfmac/qlink.h
View File

@ -1147,6 +1147,33 @@ struct qlink_tlv_chandef {
struct qlink_chandef chan;
} __packed;
enum qlink_ie_set_type {
QLINK_IE_SET_UNKNOWN,
QLINK_IE_SET_ASSOC_REQ,
QLINK_IE_SET_ASSOC_RESP,
QLINK_IE_SET_PROBE_REQ,
QLINK_IE_SET_SCAN,
QLINK_IE_SET_BEACON_HEAD,
QLINK_IE_SET_BEACON_TAIL,
QLINK_IE_SET_BEACON_IES,
QLINK_IE_SET_PROBE_RESP,
QLINK_IE_SET_PROBE_RESP_IES,
};
/**
* struct qlink_tlv_ie_set - data for QTN_TLV_ID_IE_SET
*
* @type: type of MGMT frame IEs belong to, one of &enum qlink_ie_set_type.
* @flags: for future use.
* @ie_data: IEs data.
*/
struct qlink_tlv_ie_set {
struct qlink_tlv_hdr hdr;
u8 type;
u8 flags;
u8 ie_data[0];
} __packed;
struct qlink_chan_stats {
__le32 chan_num;
__le32 cca_tx;