2024-03-28 05:38:38

by Ping-Ke Shih

[permalink] [raw]
Subject: [PATCH 2/3] wifi: rtw89: 8922a: download template probe requests for 6 GHz band

From: Po-Hao Huang <[email protected]>

8922a FW supports RNR parsing, provide template probe requests and
let FW do the replacement for SSID/BSSID/short SSIDs.
Don't declare WIPHY_FLAG_SPLIT_SCAN_6GHZ so proper IEs such as
6 GHz capabilities can be passed down within the same scan request.

Signed-off-by: Po-Hao Huang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.c | 6 +++-
drivers/net/wireless/realtek/rtw89/core.h | 1 +
drivers/net/wireless/realtek/rtw89/fw.c | 28 +++++++++++++++----
drivers/net/wireless/realtek/rtw89/fw.h | 3 +-
drivers/net/wireless/realtek/rtw89/rtw8851b.c | 1 +
drivers/net/wireless/realtek/rtw89/rtw8852a.c | 1 +
drivers/net/wireless/realtek/rtw89/rtw8852b.c | 1 +
drivers/net/wireless/realtek/rtw89/rtw8852c.c | 1 +
drivers/net/wireless/realtek/rtw89/rtw8922a.c | 1 +
9 files changed, 35 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index d474b8d5df3d..1de40fa5cd9d 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -4486,7 +4486,11 @@ static int rtw89_core_register_hw(struct rtw89_dev *rtwdev)

hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
WIPHY_FLAG_TDLS_EXTERNAL_SETUP |
- WIPHY_FLAG_AP_UAPSD | WIPHY_FLAG_SPLIT_SCAN_6GHZ;
+ WIPHY_FLAG_AP_UAPSD;
+
+ if (!chip->support_rnr)
+ hw->wiphy->flags |= WIPHY_FLAG_SPLIT_SCAN_6GHZ;
+
hw->wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;

hw->wiphy->max_scan_ssids = RTW89_SCANOFLD_MAX_SSID;
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index fc1ed8612cf1..12133bc3e810 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -3981,6 +3981,7 @@ struct rtw89_chip_info {
u8 support_bands;
u16 support_bandwidths;
bool support_unii4;
+ bool support_rnr;
bool ul_tb_waveform_ctrl;
bool ul_tb_pwr_diff;
bool hw_sec_hdr;
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index f27486d35cbc..18bef266b56f 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -4692,6 +4692,7 @@ int rtw89_fw_h2c_scan_offload_be(struct rtw89_dev *rtwdev,
struct rtw89_h2c_scanofld_be_macc_role *macc_role;
struct rtw89_chan *op = &scan_info->op_chan;
struct rtw89_h2c_scanofld_be_opch *opch;
+ struct rtw89_pktofld_info *pkt_info;
struct rtw89_h2c_scanofld_be *h2c;
struct sk_buff *skb;
u8 macc_role_size = sizeof(*macc_role) * option->num_macc_role;
@@ -4716,6 +4717,16 @@ int rtw89_fw_h2c_scan_offload_be(struct rtw89_dev *rtwdev,
h2c = (struct rtw89_h2c_scanofld_be *)skb->data;
ptr = skb->data;

+ memset(probe_id, RTW89_SCANOFLD_PKT_NONE, sizeof(probe_id));
+
+ list_for_each_entry(pkt_info, &scan_info->pkt_list[NL80211_BAND_6GHZ], list) {
+ if (pkt_info->wildcard_6ghz) {
+ /* Provide wildcard as template */
+ probe_id[NL80211_BAND_6GHZ] = pkt_info->id;
+ break;
+ }
+ }
+
h2c->w0 = le32_encode_bits(option->operation, RTW89_H2C_SCANOFLD_BE_W0_OP) |
le32_encode_bits(option->scan_mode,
RTW89_H2C_SCANOFLD_BE_W0_SCAN_MODE) |
@@ -5553,6 +5564,7 @@ static bool rtw89_is_6ghz_wildcard_probe_req(struct rtw89_dev *rtwdev,
info->ssid_len = req->ssids[ssid_idx].ssid_len;
return false;
} else {
+ info->wildcard_6ghz = true;
return true;
}
}
@@ -5587,12 +5599,8 @@ static int rtw89_append_probe_req_ie(struct rtw89_dev *rtwdev,
goto out;
}

- if (rtw89_is_6ghz_wildcard_probe_req(rtwdev, rtwvif, info, band,
- ssid_idx)) {
- kfree_skb(new);
- kfree(info);
- goto out;
- }
+ rtw89_is_6ghz_wildcard_probe_req(rtwdev, rtwvif, info, band,
+ ssid_idx);

ret = rtw89_fw_h2c_add_pkt_offload(rtwdev, &info->id, new);
if (ret) {
@@ -5750,6 +5758,10 @@ static void rtw89_hw_scan_add_chan(struct rtw89_dev *rtwdev, int chan_type,
continue;
else if (info->channel_6ghz && probe_count != 0)
ch_info->period += RTW89_CHANNEL_TIME_6G;
+
+ if (info->wildcard_6ghz)
+ continue;
+
ch_info->pkt_id[probe_count++] = info->id;
if (probe_count >= RTW89_SCANOFLD_MAX_SSID)
break;
@@ -5804,6 +5816,10 @@ static void rtw89_hw_scan_add_chan_be(struct rtw89_dev *rtwdev, int chan_type,
if (info->channel_6ghz &&
ch_info->pri_ch != info->channel_6ghz)
continue;
+
+ if (info->wildcard_6ghz)
+ continue;
+
ch_info->pkt_id[probe_count++] = info->id;
if (probe_count >= RTW89_SCANOFLD_MAX_SSID)
break;
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index a7e78a881f7f..d247fe4b3bb1 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -340,8 +340,9 @@ struct rtw89_mac_chinfo_be {
struct rtw89_pktofld_info {
struct list_head list;
u8 id;
+ bool wildcard_6ghz;

- /* Below fields are for 6 GHz RNR use only */
+ /* Below fields are for WiFi 6 chips 6 GHz RNR use only */
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 ssid_len;
u8 bssid[ETH_ALEN];
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b.c b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
index 51d3e61eaa1d..2e89c18fbf19 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8851b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
@@ -2447,6 +2447,7 @@ const struct rtw89_chip_info rtw8851b_chip_info = {
.dig_regs = &rtw8851b_dig_regs,
.tssi_dbw_table = NULL,
.support_chanctx_num = 0,
+ .support_rnr = false,
.support_bands = BIT(NL80211_BAND_2GHZ) |
BIT(NL80211_BAND_5GHZ),
.support_bandwidths = BIT(NL80211_CHAN_WIDTH_20) |
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index 2deadec715cf..e93cee1456bd 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -2163,6 +2163,7 @@ const struct rtw89_chip_info rtw8852a_chip_info = {
.dig_regs = &rtw8852a_dig_regs,
.tssi_dbw_table = NULL,
.support_chanctx_num = 1,
+ .support_rnr = false,
.support_bands = BIT(NL80211_BAND_2GHZ) |
BIT(NL80211_BAND_5GHZ),
.support_bandwidths = BIT(NL80211_CHAN_WIDTH_20) |
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index d025c4135e1c..85908c55baa9 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -2597,6 +2597,7 @@ const struct rtw89_chip_info rtw8852b_chip_info = {
.dig_regs = &rtw8852b_dig_regs,
.tssi_dbw_table = NULL,
.support_chanctx_num = 0,
+ .support_rnr = false,
.support_bands = BIT(NL80211_BAND_2GHZ) |
BIT(NL80211_BAND_5GHZ),
.support_bandwidths = BIT(NL80211_CHAN_WIDTH_20) |
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 17e6164855fa..db354afc486e 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -2934,6 +2934,7 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
.dig_regs = &rtw8852c_dig_regs,
.tssi_dbw_table = &rtw89_8852c_tssi_dbw_table,
.support_chanctx_num = 2,
+ .support_rnr = false,
.support_bands = BIT(NL80211_BAND_2GHZ) |
BIT(NL80211_BAND_5GHZ) |
BIT(NL80211_BAND_6GHZ),
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
index 0a5dc429b46d..b45a96fd0540 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
@@ -2545,6 +2545,7 @@ const struct rtw89_chip_info rtw8922a_chip_info = {
.dig_regs = &rtw8922a_dig_regs,
.tssi_dbw_table = NULL,
.support_chanctx_num = 2,
+ .support_rnr = true,
.support_bands = BIT(NL80211_BAND_2GHZ) |
BIT(NL80211_BAND_5GHZ) |
BIT(NL80211_BAND_6GHZ),
--
2.25.1