diff mbox series

[2/5] wifi: rtw89: 8922a: Add new fields for scan offload H2C command

Message ID 20240731070506.46100-3-pkshih@realtek.com (mailing list archive)
State Accepted
Delegated to: Ping-Ke Shih
Headers show
Series wifi: rtw89: increase 8922a firmware format to 1 and support HW encryption for unicast management | expand

Commit Message

Ping-Ke Shih July 31, 2024, 7:05 a.m. UTC 
From: Po-Hao Huang <phhuang@realtek.com>

Update scan offload H2C format to fit firmware version 35.21.
The new fields indicate lengths of variable length members, so
when driver and firmware are using mismatch version, FW could
handle the parsing better.

Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/core.h     |  1 +
 drivers/net/wireless/realtek/rtw89/fw.c       | 22 ++++++++++++++++---
 drivers/net/wireless/realtek/rtw89/fw.h       |  7 +++++-
 drivers/net/wireless/realtek/rtw89/rtw8922a.c |  4 ++--
 4 files changed, 28 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 9e26763d3269..ba2ac5cefc50 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -4357,6 +4357,7 @@  enum rtw89_fw_feature {
 	RTW89_FW_FEATURE_NO_LPS_PG,
 	RTW89_FW_FEATURE_BEACON_FILTER,
 	RTW89_FW_FEATURE_MACID_PAUSE_SLEEP,
+	RTW89_FW_FEATURE_SCAN_OFFLOAD_BE_V0,
 	RTW89_FW_FEATURE_WOW_REASON_V1,
 	RTW89_FW_FEATURE_RFK_PRE_NOTIFY_V0,
 };
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index fcbc7de48ddd..4c0a1aed6efd 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -683,6 +683,7 @@  static const struct __fw_feat_cfg fw_feat_tbl[] = {
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 34, 30, 0, CRASH_TRIGGER),
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 34, 11, 0, MACID_PAUSE_SLEEP),
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 34, 35, 0, SCAN_OFFLOAD),
+	__CFG_FW_FEAT(RTL8922A, lt, 0, 35, 21, 0, SCAN_OFFLOAD_BE_V0),
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 35, 12, 0, BEACON_FILTER),
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 35, 22, 0, WOW_REASON_V1),
 	__CFG_FW_FEAT(RTL8922A, lt, 0, 35, 31, 0, RFK_PRE_NOTIFY_V0),
@@ -4907,6 +4908,7 @@  int rtw89_fw_h2c_scan_offload_be(struct rtw89_dev *rtwdev,
 	u8 macc_role_size = sizeof(*macc_role) * option->num_macc_role;
 	u8 opch_size = sizeof(*opch) * option->num_opch;
 	u8 probe_id[NUM_NL80211_BANDS];
+	u8 cfg_len = sizeof(*h2c);
 	unsigned int cond;
 	void *ptr;
 	int ret;
@@ -4915,7 +4917,7 @@  int rtw89_fw_h2c_scan_offload_be(struct rtw89_dev *rtwdev,
 
 	rtw89_scan_get_6g_disabled_chan(rtwdev, option);
 
-	len = sizeof(*h2c) + macc_role_size + opch_size;
+	len = cfg_len + macc_role_size + opch_size;
 	skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, len);
 	if (!skb) {
 		rtw89_err(rtwdev, "failed to alloc skb for h2c scan offload\n");
@@ -4980,10 +4982,24 @@  int rtw89_fw_h2c_scan_offload_be(struct rtw89_dev *rtwdev,
 			  le32_encode_bits(RTW89_HW_RATE_OFDM6,
 					   RTW89_H2C_SCANOFLD_BE_W8_PROBE_RATE_6GHZ);
 	}
-	ptr += sizeof(*h2c);
+
+	if (RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD_BE_V0, &rtwdev->fw)) {
+		cfg_len = offsetofend(typeof(*h2c), w8);
+		goto flex_member;
+	}
+
+	h2c->w9 = le32_encode_bits(sizeof(*h2c) / sizeof(h2c->w0),
+				   RTW89_H2C_SCANOFLD_BE_W9_SIZE_CFG) |
+		  le32_encode_bits(sizeof(*macc_role) / sizeof(macc_role->w0),
+				   RTW89_H2C_SCANOFLD_BE_W9_SIZE_MACC) |
+		  le32_encode_bits(sizeof(*opch) / sizeof(opch->w0),
+				   RTW89_H2C_SCANOFLD_BE_W9_SIZE_OP);
+
+flex_member:
+	ptr += cfg_len;
 
 	for (i = 0; i < option->num_macc_role; i++) {
-		macc_role = (struct rtw89_h2c_scanofld_be_macc_role *)&h2c->role[i];
+		macc_role = ptr;
 		macc_role->w0 =
 			le32_encode_bits(0, RTW89_H2C_SCANOFLD_BE_MACC_ROLE_W0_BAND) |
 			le32_encode_bits(0, RTW89_H2C_SCANOFLD_BE_MACC_ROLE_W0_PORT) |
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index dccda3a12616..0b0c5b5c6bb9 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -2711,7 +2711,9 @@  struct rtw89_h2c_scanofld_be {
 	__le32 w6;
 	__le32 w7;
 	__le32 w8;
-	struct rtw89_h2c_scanofld_be_macc_role role[];
+	__le32 w9; /* Added after SCAN_OFFLOAD_BE_V1 */
+	/* struct rtw89_h2c_scanofld_be_macc_role (flexible number) */
+	/* struct rtw89_h2c_scanofld_be_opch (flexible number) */
 } __packed;
 
 #define RTW89_H2C_SCANOFLD_BE_W0_OP GENMASK(1, 0)
@@ -2742,6 +2744,9 @@  struct rtw89_h2c_scanofld_be {
 #define RTW89_H2C_SCANOFLD_BE_W8_PROBE_RATE_2GHZ GENMASK(7, 0)
 #define RTW89_H2C_SCANOFLD_BE_W8_PROBE_RATE_5GHZ GENMASK(15, 8)
 #define RTW89_H2C_SCANOFLD_BE_W8_PROBE_RATE_6GHZ GENMASK(23, 16)
+#define RTW89_H2C_SCANOFLD_BE_W9_SIZE_CFG GENMASK(7, 0)
+#define RTW89_H2C_SCANOFLD_BE_W9_SIZE_MACC GENMASK(15, 8)
+#define RTW89_H2C_SCANOFLD_BE_W9_SIZE_OP GENMASK(23, 16)
 
 static inline void RTW89_SET_FWCMD_P2P_MACID(void *cmd, u32 val)
 {
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
index e611534eeae1..747912736a2f 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
@@ -13,10 +13,10 @@ 
 #include "rtw8922a_rfk.h"
 #include "util.h"
 
-#define RTW8922A_FW_FORMAT_MAX 0
+#define RTW8922A_FW_FORMAT_MAX 1
 #define RTW8922A_FW_BASENAME "rtw89/rtw8922a_fw"
 #define RTW8922A_MODULE_FIRMWARE \
-	RTW8922A_FW_BASENAME ".bin"
+	RTW8922A_FW_BASENAME "-" __stringify(RTW8922A_FW_FORMAT_MAX) ".bin"
 
 #define HE_N_USER_MAX_8922A 4