rtw89: add new H2C to configure security CAM via DCTL for V1 chip

DCTL is short for D-MAC control that V1 chip uses this H2C to configure
security CAM. Implement the callers in next patch.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220413010804.8941-3-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/cam.c

@@ -710,3 +710,31 @@ void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
 	FWCMD_SET_ADDR_SEC_ENT5(cmd, addr_cam->sec_ent[5]);
 	FWCMD_SET_ADDR_SEC_ENT6(cmd, addr_cam->sec_ent[6]);
 }
+
+void rtw89_cam_fill_dctl_sec_cam_info_v1(struct rtw89_dev *rtwdev,
+					 struct rtw89_vif *rtwvif,
+					 struct rtw89_sta *rtwsta,
+					 u8 *cmd)
+{
+	struct rtw89_addr_cam_entry *addr_cam = rtw89_get_addr_cam_of(rtwvif, rtwsta);
+
+	SET_DCTL_MACID_V1(cmd, rtwsta ? rtwsta->mac_id : rtwvif->mac_id);
+	SET_DCTL_OPERATION_V1(cmd, 1);
+
+	SET_DCTL_SEC_ENT0_KEYID_V1(cmd, addr_cam->sec_ent_keyid[0]);
+	SET_DCTL_SEC_ENT1_KEYID_V1(cmd, addr_cam->sec_ent_keyid[1]);
+	SET_DCTL_SEC_ENT2_KEYID_V1(cmd, addr_cam->sec_ent_keyid[2]);
+	SET_DCTL_SEC_ENT3_KEYID_V1(cmd, addr_cam->sec_ent_keyid[3]);
+	SET_DCTL_SEC_ENT4_KEYID_V1(cmd, addr_cam->sec_ent_keyid[4]);
+	SET_DCTL_SEC_ENT5_KEYID_V1(cmd, addr_cam->sec_ent_keyid[5]);
+	SET_DCTL_SEC_ENT6_KEYID_V1(cmd, addr_cam->sec_ent_keyid[6]);
+
+	SET_DCTL_SEC_ENT_VALID_V1(cmd, addr_cam->sec_cam_map[0] & 0xff);
+	SET_DCTL_SEC_ENT0_V1(cmd, addr_cam->sec_ent[0]);
+	SET_DCTL_SEC_ENT1_V1(cmd, addr_cam->sec_ent[1]);
+	SET_DCTL_SEC_ENT2_V1(cmd, addr_cam->sec_ent[2]);
+	SET_DCTL_SEC_ENT3_V1(cmd, addr_cam->sec_ent[3]);
+	SET_DCTL_SEC_ENT4_V1(cmd, addr_cam->sec_ent[4]);
+	SET_DCTL_SEC_ENT5_V1(cmd, addr_cam->sec_ent[5]);
+	SET_DCTL_SEC_ENT6_V1(cmd, addr_cam->sec_ent[6]);
+}

drivers/net/wireless/realtek/rtw89/cam.h

@@ -355,6 +355,10 @@ void rtw89_cam_fill_addr_cam_info(struct rtw89_dev *rtwdev,
 				  struct rtw89_vif *vif,
 				  struct rtw89_sta *rtwsta,
 				  const u8 *scan_mac_addr, u8 *cmd);
+void rtw89_cam_fill_dctl_sec_cam_info_v1(struct rtw89_dev *rtwdev,
+					 struct rtw89_vif *rtwvif,
+					 struct rtw89_sta *rtwsta,
+					 u8 *cmd);
 int rtw89_cam_fill_bssid_cam_info(struct rtw89_dev *rtwdev,
 				  struct rtw89_vif *vif, u8 *cmd);
 int rtw89_cam_sec_key_add(struct rtw89_dev *rtwdev,

drivers/net/wireless/realtek/rtw89/fw.c

@@ -599,6 +599,41 @@ int rtw89_fw_h2c_cam(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif,
 	return -EBUSY;
 }
 
+#define H2C_DCTL_SEC_CAM_LEN 68
+int rtw89_fw_h2c_dctl_sec_cam_v1(struct rtw89_dev *rtwdev,
+				 struct rtw89_vif *rtwvif,
+				 struct rtw89_sta *rtwsta)
+{
+	struct sk_buff *skb;
+
+	skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, H2C_DCTL_SEC_CAM_LEN);
+	if (!skb) {
+		rtw89_err(rtwdev, "failed to alloc skb for dctl sec cam\n");
+		return -ENOMEM;
+	}
+	skb_put(skb, H2C_DCTL_SEC_CAM_LEN);
+
+	rtw89_cam_fill_dctl_sec_cam_info_v1(rtwdev, rtwvif, rtwsta, skb->data);
+
+	rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
+			      H2C_CAT_MAC,
+			      H2C_CL_MAC_FR_EXCHG,
+			      H2C_FUNC_MAC_DCTLINFO_UD_V1, 0, 0,
+			      H2C_DCTL_SEC_CAM_LEN);
+
+	if (rtw89_h2c_tx(rtwdev, skb, false)) {
+		rtw89_err(rtwdev, "failed to send h2c\n");
+		goto fail;
+	}
+
+	return 0;
+fail:
+	dev_kfree_skb_any(skb);
+
+	return -EBUSY;
+}
+EXPORT_SYMBOL(rtw89_fw_h2c_dctl_sec_cam_v1);
+
 #define H2C_BA_CAM_LEN 8
 int rtw89_fw_h2c_ba_cam(struct rtw89_dev *rtwdev, struct rtw89_sta *rtwsta,
 			bool valid, struct ieee80211_ampdu_params *params)