Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Srinivasan Raju <srini.raju@purelifi.com>
Cc:     mostafa.afgani@purelifi.com,
        Srinivasan Raju <srini.raju@purelifi.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Johannes Berg <johannes@sipsolutions.net>,
        linux-kernel@vger.kernel.org (open list),
        linux-wireless@vger.kernel.org (open list:NETWORKING DRIVERS (WIRELESS)),
        netdev@vger.kernel.org (open list:NETWORKING DRIVERS)
Subject: [PATCH v20 1/2] nl80211: Add LC placeholder band definition to nl80211_band
Date:   Mon, 18 Oct 2021 11:00:54 +0100
Message-Id: <20211018100143.7565-2-srini.raju@purelifi.com>
In-Reply-To: <20211018100143.7565-1-srini.raju@purelifi.com>
References: <20200928102008.32568-1-srini.raju@purelifi.com>
 <20211018100143.7565-1-srini.raju@purelifi.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?HPuLjtbokgNozkpGAhBIR0LaRRfcbXSP2gXb/qMdUE7tpRtQGXVbUdorVqdY?=
 =?us-ascii?Q?fBIyO/QmWB3uLZzxrxKzTIj1U14/yeUfIqO8CLME9nd/YrYhoEbpMrOioLBb?=
 =?us-ascii?Q?kmm3ycsTmsVkgQ2fhGTBTvx00m5Sg9w9zLSA0diW4rYicO4xkNCR9zi/Aw6d?=
 =?us-ascii?Q?fdtvB1YGnEYhEFCk6Q6a7UowQk64fCvU8ySF9EsAENv1GW7UqLKKHxjqtmdI?=
 =?us-ascii?Q?WkvOdv7yUt7NozfJyBI//yRIFOHUFPZLMXAfEYhz5/WRSY7ujKFM6oMxmPDr?=
 =?us-ascii?Q?gnPnwU96lFxUJTQ5HLKHygjEGQ4yCnh+wwkVt0DJn/MJYu6jgwZ1Jv4HZMFz?=
 =?us-ascii?Q?pagckE55QOgkHORRLq1P2s0VSXDLZioCxnPl1VUpwMpmOlJoIOL64a/uruil?=
 =?us-ascii?Q?dj7MUQ6xP+OAIlM+Ri5K8SXAbmD97VZXOGImSHGNfKQJUlgQjh5eIP51wb+6?=
 =?us-ascii?Q?0mvssN/sIKD7Baru6PkFvzW0TIJyyy8n0B7L6JPKavXY2YC5Cgs8qU7Xj9ku?=
 =?us-ascii?Q?7bRwoAPn4VqbPO6Npah2j6pdLH15LBfNwdaD+KvFXUSSymMUSIK85WjA0Xxv?=
 =?us-ascii?Q?dSgtY6eIfVTMDzygtnifFJpGJf8mmNEenFWyYNN1L23kP+wRJjTYPt0f8IT0?=
 =?us-ascii?Q?F/am2Ma3x8LL0okXgE/F0eEbsAfdotqr+xnYGhhsLnV9ezZ0UfTlFzoPB43X?=
 =?us-ascii?Q?TGfilYdr9v6aLONbZORT7j9uPahffQazwM0jGu51P8xhApeq/zI1n9b3t+Qo?=
 =?us-ascii?Q?e3iCELxtmMlLK4z1lS2W/nt/VHQbyDq2aLwbBQu1IUGmWh6bE0ahX1JaUvte?=
 =?us-ascii?Q?Nej33Q8dff9AFFm9mWNZ9hV6vfXGAWiMY8xKEhokJL41l8e0BIE0N7CoMkcr?=
 =?us-ascii?Q?V4SEkSIW91CRalgem6FXwOo1jc5Wi6LOFh7gR9sA27eZR/hNCyB9lyFfOURt?=
 =?us-ascii?Q?TzWUEgKxMmCvF1C9/8KY4ht9FPPFjnyUtIeTGuozbEYKNDoDXxno22nm8BI5?=
 =?us-ascii?Q?wCCma6z/XvCEpPm8+7swOuUcpNrlofJNIf5ply2LihtGyt49ldr5+XnBwi96?=
 =?us-ascii?Q?Y4kX5CjCztyFnU3CwjLqPwHa23QQPGja51Qrz1f8C3nW/FZFCAgYI/GVyvuy?=
 =?us-ascii?Q?J2/2xeln+S+YWJ0ElLEG8o5XRIS3uJhJ0kZxtqo4CTm5vwpgeYXEiJo9QfkD?=
 =?us-ascii?Q?0cNn4oxY0bOA9vc51AOKh467xyGPjVmniOWg7Uh9L0+mcTm6X+X7XvnA5njD?=
 =?us-ascii?Q?oPBlUp7acyO/LMkIsbO+Er54zjk8uDEM94+SOGQvMtWt8Dvs/Bf1/RNeT+7p?=
 =?us-ascii?Q?psXA96qsJAyfgdZ5PVO/ViP1?=
X-OriginatorOrg: purelifi.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 397c5273-f685-409d-281f-08d9921e7610
X-MS-Exchange-CrossTenant-AuthSource: CWLP265MB3217.GBRP265.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Oct 2021 10:02:57.8215
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 5cf4eba2-7b8f-4236-bed4-a2ac41f1a6dc
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: eQMPyPgsvy0hFsBG3c6A87M5hiYs6v4oSZ9gAickMeZu9FpakCvZ0dtSqo8w62ylVzxd/rTJqtO8gXaaf2LhYw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CWLP265MB2244
To:     unlisted-recipients:; (no To-header on input)
Precedence: bulk
List-ID: <linux-wireless.vger.kernel.org>
X-Mailing-List: linux-wireless@vger.kernel.org

Define LC band which is a draft under IEEE 802.11 bb
Current NL80211_BAND_LC is a placeholder band
The band will be redefined as IEEE 802.11 bb progresses

Signed-off-by: Srinivasan Raju <srini.raju@purelifi.com>
---
 include/uapi/linux/nl80211.h | 2 ++
 net/mac80211/mlme.c          | 1 +
 net/mac80211/sta_info.c      | 1 +
 net/mac80211/tx.c            | 3 ++-
 net/wireless/nl80211.c       | 1 +
 net/wireless/util.c          | 2 ++
 6 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index c2efea98e060..cb06fb604a60 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -4929,6 +4929,7 @@ enum nl80211_txrate_gi {
  * @NL80211_BAND_60GHZ: around 60 GHz band (58.32 - 69.12 GHz)
  * @NL80211_BAND_6GHZ: around 6 GHz band (5.9 - 7.2 GHz)
  * @NL80211_BAND_S1GHZ: around 900MHz, supported by S1G PHYs
+ * @NL80211_BAND_LC: light communication band (placeholder)
  * @NUM_NL80211_BANDS: number of bands, avoid using this in userspace
  *	since newer kernel versions may support more bands
  */
@@ -4938,6 +4939,7 @@ enum nl80211_band {
 	NL80211_BAND_60GHZ,
 	NL80211_BAND_6GHZ,
 	NL80211_BAND_S1GHZ,
+	NL80211_BAND_LC,
 
 	NUM_NL80211_BANDS,
 };
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c0ea3b1aa9e1..c577d03ab128 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1490,6 +1490,7 @@ ieee80211_find_80211h_pwr_constr(struct ieee80211_sub_if_data *sdata,
 		fallthrough;
 	case NL80211_BAND_2GHZ:
 	case NL80211_BAND_60GHZ:
+	case NL80211_BAND_LC:
 		chan_increment = 1;
 		break;
 	case NL80211_BAND_5GHZ:
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 2b5acb37587f..36524101d11f 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -444,6 +444,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 
 		switch (i) {
 		case NL80211_BAND_2GHZ:
+		case NL80211_BAND_LC:
 			/*
 			 * We use both here, even if we cannot really know for
 			 * sure the station will support both, but the only use
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 2d1193ed3eb5..d311937f2add 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -146,7 +146,8 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
 			rate = DIV_ROUND_UP(r->bitrate, 1 << shift);
 
 		switch (sband->band) {
-		case NL80211_BAND_2GHZ: {
+		case NL80211_BAND_2GHZ:
+		case NL80211_BAND_LC: {
 			u32 flag;
 			if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
 				flag = IEEE80211_RATE_MANDATORY_G;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index bf7cd4752547..cf1434049abb 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -853,6 +853,7 @@ nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = {
 	[NL80211_BAND_5GHZ] = { .type = NLA_S32 },
 	[NL80211_BAND_6GHZ] = { .type = NLA_S32 },
 	[NL80211_BAND_60GHZ] = { .type = NLA_S32 },
+	[NL80211_BAND_LC]    = { .type = NLA_S32 },
 };
 
 static const struct nla_policy
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 18dba3d7c638..2991f711491a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -80,6 +80,7 @@ u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band)
 		return 0; /* not supported */
 	switch (band) {
 	case NL80211_BAND_2GHZ:
+	case NL80211_BAND_LC:
 		if (chan == 14)
 			return MHZ_TO_KHZ(2484);
 		else if (chan < 14)
@@ -209,6 +210,7 @@ static void set_mandatory_flags_band(struct ieee80211_supported_band *sband)
 		WARN_ON(want);
 		break;
 	case NL80211_BAND_2GHZ:
+	case NL80211_BAND_LC:
 		want = 7;
 		for (i = 0; i < sband->n_bitrates; i++) {
 			switch (sband->bitrates[i].bitrate) {
-- 
2.25.1