staging: brcm80211: relocate skb_get/free routines

Getting rid of os abstraction layer (ie. osl) is ongoing. Some
routines which are still required have been moved to bcmutils
module.
Reviewed-by: NRoland Vossen <rvossen@broadcom.com>
Reviewed-by: NBrett Rudley <brudley@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/include/bcmutils.h

@@ -94,6 +94,11 @@ extern struct sk_buff *pktq_penq_head(struct pktq *pq, int prec,
 extern struct sk_buff *pktq_pdeq(struct pktq *pq, int prec);
 extern struct sk_buff *pktq_pdeq_tail(struct pktq *pq, int prec);
 
+/* packet primitives */
+extern struct sk_buff *pkt_buf_get_skb(struct osl_info *osh, uint len);
+extern void pkt_buf_free_skb(struct osl_info *osh,
+	struct sk_buff *skb, bool send);
+
 /* Empty the queue at particular precedence level */
 #ifdef BRCM_FULLMAC
 	extern void pktq_pflush(struct osl_info *osh, struct pktq *pq, int prec,

drivers/staging/brcm80211/include/osl.h

@@ -176,8 +176,5 @@ extern uint osl_pci_slot(struct osl_info *osh);
 	} while (0)
 #endif				/* IL_BIGENDIAN */
 
-/* packet primitives */
-extern struct sk_buff *pkt_buf_get_skb(struct osl_info *osh, uint len);
-extern void pkt_buf_free_skb(struct osl_info *osh, struct sk_buff *skb, bool send);
 
 #endif /* _osl_h_ */

drivers/staging/brcm80211/util/bcmutils.c

@@ -30,6 +30,52 @@
 #include <proto/802.1d.h>
 #include <proto/802.11.h>
 
+struct sk_buff *BCMFASTPATH pkt_buf_get_skb(struct osl_info *osh, uint len)
+{
+	struct sk_buff *skb;
+
+	skb = dev_alloc_skb(len);
+	if (skb) {
+		skb_put(skb, len);
+		skb->priority = 0;
+
+		osh->pktalloced++;
+	}
+
+	return skb;
+}
+
+/* Free the driver packet. Free the tag if present */
+void BCMFASTPATH pkt_buf_free_skb(struct osl_info *osh,
+	struct sk_buff *skb, bool send)
+{
+	struct sk_buff *nskb;
+	int nest = 0;
+
+	ASSERT(skb);
+
+	/* perversion: we use skb->next to chain multi-skb packets */
+	while (skb) {
+		nskb = skb->next;
+		skb->next = NULL;
+
+		if (skb->destructor)
+			/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if
+			 * destructor exists
+			 */
+			dev_kfree_skb_any(skb);
+		else
+			/* can free immediately (even in_irq()) if destructor
+			 * does not exist
+			 */
+			dev_kfree_skb(skb);
+
+		osh->pktalloced--;
+		nest++;
+		skb = nskb;
+	}
+}
+
 /* copy a buffer into a pkt buffer chain */
 uint pktfrombuf(struct osl_info *osh, struct sk_buff *p, uint offset, int len,
 		unsigned char *buf)

drivers/staging/brcm80211/util/linux_osl.c

@@ -78,51 +78,6 @@ void osl_detach(struct osl_info *osh)
 	kfree(osh);
 }
 
-struct sk_buff *BCMFASTPATH pkt_buf_get_skb(struct osl_info *osh, uint len)
-{
-	struct sk_buff *skb;
-
-	skb = dev_alloc_skb(len);
-	if (skb) {
-		skb_put(skb, len);
-		skb->priority = 0;
-
-		osh->pktalloced++;
-	}
-
-	return skb;
-}
-
-/* Free the driver packet. Free the tag if present */
-void BCMFASTPATH pkt_buf_free_skb(struct osl_info *osh, struct sk_buff *skb, bool send)
-{
-	struct sk_buff *nskb;
-	int nest = 0;
-
-	ASSERT(skb);
-
-	/* perversion: we use skb->next to chain multi-skb packets */
-	while (skb) {
-		nskb = skb->next;
-		skb->next = NULL;
-
-		if (skb->destructor)
-			/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if
-			 * destructor exists
-			 */
-			dev_kfree_skb_any(skb);
-		else
-			/* can free immediately (even in_irq()) if destructor
-			 * does not exist
-			 */
-			dev_kfree_skb(skb);
-
-		osh->pktalloced--;
-		nest++;
-		skb = nskb;
-	}
-}
-
 /* return bus # for the pci device pointed by osh->pdev */
 uint osl_pci_bus(struct osl_info *osh)
 {