Date:   Thu,  2 Mar 2023 16:03:07 +0000
In-Reply-To: <20230302160310.923349-1-jaewan@google.com>
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Message-ID: <20230302160310.923349-3-jaewan@google.com>
Subject: [PATCH v8 2/5] wifi: nl80211: make nl80211_send_chandef non-static
From:   Jaewan Kim <jaewan@google.com>
To:     gregkh@linuxfoundation.org, johannes@sipsolutions.net,
        linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Cc:     kernel-team@android.com, adelva@google.com,
        Jaewan Kim <jaewan@google.com>
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Expose nl80211_send_chandef functionality for mac80211_hwsim or vendor
netlink can use it where needed.

Signed-off-by: Jaewan Kim <jaewan@google.com>
---
V8: Initial commit (split from other change)
---
 include/net/cfg80211.h | 9 +++++++++
 net/wireless/nl80211.c | 4 ++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f115b2550309..bcce8e9e2aba 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -938,6 +938,15 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
 				  const struct cfg80211_chan_def *chandef,
 				  enum nl80211_iftype iftype);
 
+/**
+ * nl80211_send_chandef - sends the channel definition.
+ * @msg: the msg to send channel definition
+ * @chandef: the channel definition to check
+ *
+ * Returns: 0 if sent the channel definition to msg, < 0 on error
+ **/
+int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef);
+
 /**
  * ieee80211_chanwidth_rate_flags - return rate flags for channel width
  * @width: the channel width of the channel
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 112b4bb009c8..1fd9e6545225 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3756,8 +3756,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
 	return result;
 }
 
-static int nl80211_send_chandef(struct sk_buff *msg,
-				const struct cfg80211_chan_def *chandef)
+int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef)
 {
 	if (WARN_ON(!cfg80211_chandef_valid(chandef)))
 		return -EINVAL;
@@ -3788,6 +3787,7 @@ static int nl80211_send_chandef(struct sk_buff *msg,
 		return -ENOBUFS;
 	return 0;
 }
+EXPORT_SYMBOL(nl80211_send_chandef);
 
 static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
 			      struct cfg80211_registered_device *rdev,
-- 
2.39.2.722.g9855ee24e9-goog