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From: Martin Kaistra <martin.kaistra@linutronix.de>
To: linux-wireless@vger.kernel.org
Cc: Jes Sorensen <Jes.Sorensen@gmail.com>,
	Kalle Valo <kvalo@kernel.org>,
	Ping-Ke Shih <pkshih@realtek.com>,
	Bitterblue Smith <rtl8821cerfe2@gmail.com>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [PATCH v3 21/21] wifi: rtl8xxxu: declare concurrent mode support for 8188f
Date: Fri, 22 Dec 2023 11:14:42 +0100
Message-Id: <20231222101442.626837-22-martin.kaistra@linutronix.de>
In-Reply-To: <20231222101442.626837-1-martin.kaistra@linutronix.de>
References: <20231222101442.626837-1-martin.kaistra@linutronix.de>
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Everything is in place now for concurrent mode, we can tell the system
that we support it.
We will allow a maximum of 2 virtual interfaces, one of them can be in
AP mode.

Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
---
 .../net/wireless/realtek/rtl8xxxu/rtl8xxxu.h  |  1 +
 .../realtek/rtl8xxxu/rtl8xxxu_8188f.c         |  1 +
 .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 19 +++++++++++++++++++
 3 files changed, 21 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index 62e6318bc0924..803c76b3209c4 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -1992,6 +1992,7 @@ struct rtl8xxxu_fileops {
 	u8 init_reg_rxfltmap:1;
 	u8 init_reg_pkt_life_time:1;
 	u8 init_reg_hmtfr:1;
+	u8 supports_concurrent:1;
 	u8 ampdu_max_time;
 	u8 ustime_tsf_edca;
 	u16 max_aggr_num;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
index 574a5fe951543..464216d007ce8 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
@@ -1752,6 +1752,7 @@ struct rtl8xxxu_fileops rtl8188fu_fops = {
 	.supports_ap = 1,
 	.max_macid_num = 16,
 	.max_sec_cam_num = 16,
+	.supports_concurrent = 1,
 	.adda_1t_init = 0x03c00014,
 	.adda_1t_path_on = 0x03c00014,
 	.trxff_boundary = 0x3f7f,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 0178b441dce53..5fddbd6594a24 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -7665,6 +7665,20 @@ static void rtl8xxxu_deinit_led(struct rtl8xxxu_priv *priv)
 	led_classdev_unregister(led);
 }
 
+struct ieee80211_iface_limit rtl8xxxu_limits[] = {
+	{ .max = 2, .types = BIT(NL80211_IFTYPE_STATION), },
+	{ .max = 1, .types = BIT(NL80211_IFTYPE_AP), },
+};
+
+struct ieee80211_iface_combination rtl8xxxu_combinations[] = {
+	{
+		.limits = rtl8xxxu_limits,
+		.n_limits = ARRAY_SIZE(rtl8xxxu_limits),
+		.max_interfaces = 2,
+		.num_different_channels = 1,
+	},
+};
+
 static int rtl8xxxu_probe(struct usb_interface *interface,
 			  const struct usb_device_id *id)
 {
@@ -7811,6 +7825,11 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
 		hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP);
 	hw->queues = 4;
 
+	if (priv->fops->supports_concurrent) {
+		hw->wiphy->iface_combinations = rtl8xxxu_combinations;
+		hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtl8xxxu_combinations);
+	}
+
 	sband = &rtl8xxxu_supported_band;
 	sband->ht_cap.ht_supported = true;
 	sband->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
-- 
2.39.2