staging: rtl8723bs: move rtw_os_alloc_msdu_pkt to rtw_recv.c

Move the function rtw_os_alloc_msdu_pkt from os_dep/recv_linux.c to
core/rtw_recv.c to reduce code in the os_dep directory.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Link: https://lore.kernel.org/r/20250822135418.118115-9-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: mistraube

drivers/staging/rtl8723bs/core/rtw_recv.c

@@ -1622,6 +1622,46 @@ static signed int wlanhdr_to_ethhdr(union recv_frame *precvframe)
 	return _SUCCESS;
 }
 
+static struct sk_buff *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, u16 nSubframe_Length, u8 *pdata)
+{
+	u16 eth_type;
+	struct sk_buff *sub_skb;
+	struct rx_pkt_attrib *pattrib;
+
+	pattrib = &prframe->u.hdr.attrib;
+
+	sub_skb = rtw_skb_alloc(nSubframe_Length + 12);
+	if (!sub_skb)
+		return NULL;
+
+	skb_reserve(sub_skb, 12);
+	skb_put_data(sub_skb, (pdata + ETH_HLEN), nSubframe_Length);
+
+	eth_type = get_unaligned_be16(&sub_skb->data[6]);
+
+	if (sub_skb->len >= 8 &&
+		((!memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) &&
+		eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
+		!memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE))) {
+		/*
+		 * remove RFC1042 or Bridge-Tunnel encapsulation and replace
+		 * EtherType
+		 */
+		skb_pull(sub_skb, SNAP_SIZE);
+		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
+		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
+	} else {
+		__be16 len;
+		/* Leave Ethernet header part of hdr and full payload */
+		len = htons(sub_skb->len);
+		memcpy(skb_push(sub_skb, 2), &len, 2);
+		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
+		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
+	}
+
+	return sub_skb;
+}
+
 static int amsdu_to_msdu(struct adapter *padapter, union recv_frame *prframe)
 {
 	int	a_len, padding_len;

drivers/staging/rtl8723bs/include/recv_osdep.h

@@ -18,7 +18,6 @@ extern void rtw_recv_returnpacket(struct net_device *cnxt, struct sk_buff *pretu
 int	rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter);
 void rtw_free_recv_priv(struct recv_priv *precvpriv);
 
-struct sk_buff *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, u16 nSubframe_Length, u8 *pdata);
 void rtw_os_recv_indicate_pkt(struct adapter *padapter, struct sk_buff *pkt, struct rx_pkt_attrib *pattrib);
 
 #endif /*  */

drivers/staging/rtl8723bs/os_dep/recv_linux.c

@@ -9,46 +9,6 @@
 #include <net/cfg80211.h>
 #include <linux/unaligned.h>
 
-struct sk_buff *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, u16 nSubframe_Length, u8 *pdata)
-{
-	u16 eth_type;
-	struct sk_buff *sub_skb;
-	struct rx_pkt_attrib *pattrib;
-
-	pattrib = &prframe->u.hdr.attrib;
-
-	sub_skb = rtw_skb_alloc(nSubframe_Length + 12);
-	if (!sub_skb)
-		return NULL;
-
-	skb_reserve(sub_skb, 12);
-	skb_put_data(sub_skb, (pdata + ETH_HLEN), nSubframe_Length);
-
-	eth_type = get_unaligned_be16(&sub_skb->data[6]);
-
-	if (sub_skb->len >= 8 &&
-		((!memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) &&
-		  eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
-		 !memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE))) {
-		/*
-		 * remove RFC1042 or Bridge-Tunnel encapsulation and replace
-		 * EtherType
-		 */
-		skb_pull(sub_skb, SNAP_SIZE);
-		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
-		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
-	} else {
-		__be16 len;
-		/* Leave Ethernet header part of hdr and full payload */
-		len = htons(sub_skb->len);
-		memcpy(skb_push(sub_skb, 2), &len, 2);
-		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src, ETH_ALEN);
-		memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst, ETH_ALEN);
-	}
-
-	return sub_skb;
-}
-
 void rtw_os_recv_indicate_pkt(struct adapter *padapter, struct sk_buff *pkt, struct rx_pkt_attrib *pattrib)
 {
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;