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authorPradeep Kumar Chitrapu <pradeepc@codeaurora.org>2020-06-09 09:31:04 +0300
committerKalle Valo <kvalo@codeaurora.org>2020-06-11 08:05:21 +0300
commit74601ecfef6e46cd8bc98e881e620bfc81bfddfb (patch)
tree5fd35203877ab6c39cf83fd444e8015d463278b0 /drivers/net/wireless/ath/ath11k/wmi.c
parentbff621fd113ff782b91795a9b2baac0b226bc069 (diff)
ath11k: Add support for 6g scan hint
Add support for 6Ghz short ssid and bssid hint mechanism as part of scan command. Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200603001724.12161-9-pradeepc@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/wmi.c')
-rw-r--r--drivers/net/wireless/ath/ath11k/wmi.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 2f9a459c4230..8191cb0a997d 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -2005,6 +2005,8 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
int i, ret, len;
u32 *tmp_ptr;
u8 extraie_len_with_pad = 0;
+ struct hint_short_ssid *s_ssid = NULL;
+ struct hint_bssid *hint_bssid = NULL;
len = sizeof(*cmd);
@@ -2026,6 +2028,14 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
roundup(params->extraie.len, sizeof(u32));
len += extraie_len_with_pad;
+ if (params->num_hint_bssid)
+ len += TLV_HDR_SIZE +
+ params->num_hint_bssid * sizeof(struct hint_bssid);
+
+ if (params->num_hint_s_ssid)
+ len += TLV_HDR_SIZE +
+ params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+
skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
if (!skb)
return -ENOMEM;
@@ -2126,6 +2136,68 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
ptr += extraie_len_with_pad;
+ if (params->num_hint_s_ssid) {
+ len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+ tlv = ptr;
+ tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+ FIELD_PREP(WMI_TLV_LEN, len);
+ ptr += TLV_HDR_SIZE;
+ s_ssid = ptr;
+ for (i = 0; i < params->num_hint_s_ssid; ++i) {
+ s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags;
+ s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid;
+ s_ssid++;
+ }
+ ptr += len;
+ }
+
+ if (params->num_hint_bssid) {
+ len = params->num_hint_bssid * sizeof(struct hint_bssid);
+ tlv = ptr;
+ tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+ FIELD_PREP(WMI_TLV_LEN, len);
+ ptr += TLV_HDR_SIZE;
+ hint_bssid = ptr;
+ for (i = 0; i < params->num_hint_bssid; ++i) {
+ hint_bssid->freq_flags =
+ params->hint_bssid[i].freq_flags;
+ ether_addr_copy(&params->hint_bssid[i].bssid.addr[0],
+ &hint_bssid->bssid.addr[0]);
+ hint_bssid++;
+ }
+ }
+
+ len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+ tlv = ptr;
+ tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+ FIELD_PREP(WMI_TLV_LEN, len);
+ ptr += TLV_HDR_SIZE;
+ if (params->num_hint_s_ssid) {
+ s_ssid = ptr;
+ for (i = 0; i < params->num_hint_s_ssid; ++i) {
+ s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags;
+ s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid;
+ s_ssid++;
+ }
+ }
+ ptr += len;
+
+ len = params->num_hint_bssid * sizeof(struct hint_bssid);
+ tlv = ptr;
+ tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+ FIELD_PREP(WMI_TLV_LEN, len);
+ ptr += TLV_HDR_SIZE;
+ if (params->num_hint_bssid) {
+ hint_bssid = ptr;
+ for (i = 0; i < params->num_hint_bssid; ++i) {
+ hint_bssid->freq_flags =
+ params->hint_bssid[i].freq_flags;
+ ether_addr_copy(&params->hint_bssid[i].bssid.addr[0],
+ &hint_bssid->bssid.addr[0]);
+ hint_bssid++;
+ }
+ }
+
ret = ath11k_wmi_cmd_send(wmi, skb,
WMI_START_SCAN_CMDID);
if (ret) {