staging: brcm80211: change packet buffer type to native struct sk_buff

The packet queues now store struct sk_buff pointer and subsequently
all driver code handling packets now use struct sk_buff as package
storage type. Next step will be getting rid of packet macros.

Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/bcmsdh.c

@@ -453,7 +453,7 @@ bool bcmsdh_regfail(void *sdh)
 
 int
 bcmsdh_recv_buf(void *sdh, u32 addr, uint fn, uint flags,
-		u8 *buf, uint nbytes, void *pkt,
+		u8 *buf, uint nbytes, struct sk_buff *pkt,
 		bcmsdh_cmplt_fn_t complete, void *handle)
 {
 	bcmsdh_info_t *bcmsdh = (bcmsdh_info_t *) sdh;

drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c

@@ -928,13 +928,13 @@ sdioh_request_word(sdioh_info_t *sd, uint cmd_type, uint rw, uint func,
 
 static SDIOH_API_RC
 sdioh_request_packet(sdioh_info_t *sd, uint fix_inc, uint write, uint func,
-		     uint addr, void *pkt)
+		     uint addr, struct sk_buff *pkt)
 {
 	bool fifo = (fix_inc == SDIOH_DATA_FIX);
 	u32 SGCount = 0;
 	int err_ret = 0;
 
-	void *pnext;
+	struct sk_buff *pnext;
 
 	sd_trace(("%s: Enter\n", __func__));
 
@@ -1026,10 +1026,10 @@ sdioh_request_packet(sdioh_info_t *sd, uint fix_inc, uint write, uint func,
 extern SDIOH_API_RC
 sdioh_request_buffer(sdioh_info_t *sd, uint pio_dma, uint fix_inc, uint write,
 		     uint func, uint addr, uint reg_width, uint buflen_u,
-		     u8 *buffer, void *pkt)
+		     u8 *buffer, struct sk_buff *pkt)
 {
 	SDIOH_API_RC Status;
-	void *mypkt = NULL;
+	struct sk_buff *mypkt = NULL;
 
 	sd_trace(("%s: Enter\n", __func__));
 

drivers/staging/brcm80211/brcmfmac/dhd.h

@@ -295,10 +295,12 @@ extern void dhd_detach(dhd_pub_t *dhdp);
 /* Indication from bus module to change flow-control state */
 extern void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool on);
 
-extern bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, void *pkt, int prec);
+extern bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q,
+			 struct sk_buff *pkt, int prec);
 
 /* Receive frame for delivery to OS.  Callee disposes of rxp. */
-extern void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *rxp, int numpkt);
+extern void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx,
+			 struct sk_buff *rxp, int numpkt);
 
 /* Return pointer to interface name */
 extern char *dhd_ifname(dhd_pub_t *dhdp, int idx);
@@ -307,7 +309,7 @@ extern char *dhd_ifname(dhd_pub_t *dhdp, int idx);
 extern void dhd_sched_dpc(dhd_pub_t *dhdp);
 
 /* Notify tx completion */
-extern void dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success);
+extern void dhd_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success);
 
 /* Query ioctl */
 extern int dhdcdc_query_ioctl(dhd_pub_t *dhd, int ifidx, uint cmd, void *buf,
@@ -378,7 +380,7 @@ extern void dhd_vif_sendup(struct dhd_info *dhd, int ifidx, unsigned char * cp,
 			   int len);
 
 /* Send packet to dongle via data channel */
-extern int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pkt);
+extern int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pkt);
 
 /* Send event to host */
 extern void dhd_sendup_event(dhd_pub_t *dhdp, wl_event_msg_t *event,

drivers/staging/brcm80211/brcmfmac/dhd_bus.h

@@ -36,7 +36,7 @@ extern void dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex);
 extern int dhd_bus_init(dhd_pub_t *dhdp, bool enforce_mutex);
 
 /* Send a data frame to the dongle.  Callee disposes of txp. */
-extern int dhd_bus_txdata(struct dhd_bus *bus, void *txp);
+extern int dhd_bus_txdata(struct dhd_bus *bus, struct sk_buff *txp);
 
 /* Send/receive a control message to/from the dongle.
  * Expects caller to enforce a single outstanding transaction.

drivers/staging/brcm80211/brcmfmac/dhd_cdc.c

@@ -310,7 +310,7 @@ void dhd_prot_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf)
 	bcm_bprintf(strbuf, "Protocol CDC: reqid %d\n", dhdp->prot->reqid);
 }
 
-void dhd_prot_hdrpush(dhd_pub_t *dhd, int ifidx, void *pktbuf)
+void dhd_prot_hdrpush(dhd_pub_t *dhd, int ifidx, struct sk_buff *pktbuf)
 {
 #ifdef BDC
 	struct bdc_header *h;
@@ -336,7 +336,7 @@ void dhd_prot_hdrpush(dhd_pub_t *dhd, int ifidx, void *pktbuf)
 	BDC_SET_IF_IDX(h, ifidx);
 }
 
-bool dhd_proto_fcinfo(dhd_pub_t *dhd, void *pktbuf, u8 * fcbits)
+bool dhd_proto_fcinfo(dhd_pub_t *dhd, struct sk_buff *pktbuf, u8 * fcbits)
 {
 #ifdef BDC
 	struct bdc_header *h;
@@ -356,7 +356,7 @@ bool dhd_proto_fcinfo(dhd_pub_t *dhd, void *pktbuf, u8 * fcbits)
 	return false;
 }
 
-int dhd_prot_hdrpull(dhd_pub_t *dhd, int *ifidx, void *pktbuf)
+int dhd_prot_hdrpull(dhd_pub_t *dhd, int *ifidx, struct sk_buff *pktbuf)
 {
 #ifdef BDC
 	struct bdc_header *h;

drivers/staging/brcm80211/brcmfmac/dhd_common.c

@@ -327,9 +327,10 @@ void dhd_store_conn_status(u32 event, u32 status, u32 reason)
 	}
 }
 
-bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, void *pkt, int prec)
+bool dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, struct sk_buff *pkt,
+		  int prec)
 {
-	void *p;
+	struct sk_buff *p;
 	int eprec = -1;		/* precedence to evict from */
 	bool discard_oldest;
 

drivers/staging/brcm80211/brcmfmac/dhd_linux.c

@@ -1018,7 +1018,7 @@ static void dhd_set_multicast_list(struct net_device *dev)
 	up(&dhd->sysioc_sem);
 }
 
-int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, void *pktbuf)
+int dhd_sendpkt(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf)
 {
 	int ret;
 	dhd_info_t *dhd = (dhd_info_t *) (dhdp->info);
@@ -1132,13 +1132,15 @@ void dhd_txflowcontrol(dhd_pub_t *dhdp, int ifidx, bool state)
 		netif_wake_queue(net);
 }
 
-void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, void *pktbuf, int numpkt)
+void dhd_rx_frame(dhd_pub_t *dhdp, int ifidx, struct sk_buff *pktbuf,
+		  int numpkt)
 {
 	dhd_info_t *dhd = (dhd_info_t *) dhdp->info;
 	struct sk_buff *skb;
 	unsigned char *eth;
 	uint len;
-	void *data, *pnext, *save_pktbuf;
+	void *data;
+	struct sk_buff *pnext, *save_pktbuf;
 	int i;
 	dhd_if_t *ifp;
 	wl_event_msg_t event;
@@ -1222,7 +1224,7 @@ void dhd_event(struct dhd_info *dhd, char *evpkt, int evlen, int ifidx)
 	return;
 }
 
-void dhd_txcomplete(dhd_pub_t *dhdp, void *txp, bool success)
+void dhd_txcomplete(dhd_pub_t *dhdp, struct sk_buff *txp, bool success)
 {
 	uint ifidx;
 	dhd_info_t *dhd = (dhd_info_t *) (dhdp->info);

drivers/staging/brcm80211/brcmfmac/dhd_proto.h

@@ -46,15 +46,16 @@ extern int dhd_prot_init(dhd_pub_t *dhdp);
 /* Stop protocol: sync w/dongle state. */
 extern void dhd_prot_stop(dhd_pub_t *dhdp);
 
-extern bool dhd_proto_fcinfo(dhd_pub_t *dhd, void *pktbuf, u8 *fcbits);
+extern bool dhd_proto_fcinfo(dhd_pub_t *dhd, struct sk_buff *pktbuf,
+			     u8 *fcbits);
 
 /* Add any protocol-specific data header.
  * Caller must reserve prot_hdrlen prepend space.
  */
-extern void dhd_prot_hdrpush(dhd_pub_t *, int ifidx, void *txp);
+extern void dhd_prot_hdrpush(dhd_pub_t *, int ifidx, struct sk_buff *txp);
 
 /* Remove any protocol-specific data header. */
-extern int dhd_prot_hdrpull(dhd_pub_t *, int *ifidx, void *rxp);
+extern int dhd_prot_hdrpull(dhd_pub_t *, int *ifidx, struct sk_buff *rxp);
 
 /* Use protocol to issue ioctl to dongle */
 extern int dhd_prot_ioctl(dhd_pub_t *dhd, int ifidx, wl_ioctl_t *ioc,

drivers/staging/brcm80211/brcmfmac/dhd_sdio.c

@@ -203,8 +203,8 @@ typedef struct dhd_bus {
 	u8 rx_seq;		/* Receive sequence number (expected) */
 	bool rxskip;		/* Skip receive (awaiting NAK ACK) */
 
-	void *glomd;		/* Packet containing glomming descriptor */
-	void *glom;		/* Packet chain for glommed superframe */
+	struct sk_buff *glomd;	/* Packet containing glomming descriptor */
+	struct sk_buff *glom;	/* Packet chain for glommed superframe */
 	uint glomerr;		/* Glom packet read errors */
 
 	u8 *rxbuf;		/* Buffer for receiving control packets */
@@ -446,11 +446,13 @@ static uint process_nvram_vars(char *varbuf, uint len);
 
 static void dhd_dongle_setmemsize(struct dhd_bus *bus, int mem_size);
 static int dhd_bcmsdh_recv_buf(dhd_bus_t *bus, u32 addr, uint fn,
-			       uint flags, u8 *buf, uint nbytes, void *pkt,
-			       bcmsdh_cmplt_fn_t complete, void *handle);
+			       uint flags, u8 *buf, uint nbytes,
+			       struct sk_buff *pkt, bcmsdh_cmplt_fn_t complete,
+			       void *handle);
 static int dhd_bcmsdh_send_buf(dhd_bus_t *bus, u32 addr, uint fn,
-			       uint flags, u8 *buf, uint nbytes, void *pkt,
-			       bcmsdh_cmplt_fn_t complete, void *handle);
+			       uint flags, u8 *buf, uint nbytes,
+			       struct sk_buff *pkt, bcmsdh_cmplt_fn_t complete,
+			       void *handle);
 
 static bool dhdsdio_download_firmware(struct dhd_bus *bus, struct osl_info *osh,
 				      void *sdh);
@@ -902,7 +904,8 @@ void dhd_enable_oob_intr(struct dhd_bus *bus, bool enable)
 
 /* Writes a HW/SW header into the packet and sends it. */
 /* Assumes: (a) header space already there, (b) caller holds lock */
-static int dhdsdio_txpkt(dhd_bus_t *bus, void *pkt, uint chan, bool free_pkt)
+static int dhdsdio_txpkt(dhd_bus_t *bus, struct sk_buff *pkt, uint chan,
+			 bool free_pkt)
 {
 	int ret;
 	struct osl_info *osh;
@@ -911,7 +914,7 @@ static int dhdsdio_txpkt(dhd_bus_t *bus, void *pkt, uint chan, bool free_pkt)
 	u32 swheader;
 	uint retries = 0;
 	bcmsdh_info_t *sdh;
-	void *new;
+	struct sk_buff *new;
 	int i;
 
 	DHD_TRACE(("%s: Enter\n", __func__));
@@ -1063,7 +1066,7 @@ done:
 	return ret;
 }
 
-int dhd_bus_txdata(struct dhd_bus *bus, void *pkt)
+int dhd_bus_txdata(struct dhd_bus *bus, struct sk_buff *pkt)
 {
 	int ret = BCME_ERROR;
 	struct osl_info *osh;
@@ -1164,7 +1167,7 @@ int dhd_bus_txdata(struct dhd_bus *bus, void *pkt)
 
 static uint dhdsdio_sendfromq(dhd_bus_t *bus, uint maxframes)
 {
-	void *pkt;
+	struct sk_buff *pkt;
 	u32 intstatus = 0;
 	uint retries = 0;
 	int ret = 0, prec_out;
@@ -3180,7 +3183,7 @@ static u8 dhdsdio_rxglom(dhd_bus_t *bus, u8 rxseq)
 	u8 *dptr, num = 0;
 
 	u16 sublen, check;
-	void *pfirst, *plast, *pnext, *save_pfirst;
+	struct sk_buff *pfirst, *plast, *pnext, *save_pfirst;
 	struct osl_info *osh = bus->dhd->osh;
 
 	int errcode;
@@ -3590,7 +3593,7 @@ static uint dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished)
 	u8 fcbits;		/* Extracted fcbits from software header */
 	u8 delta;
 
-	void *pkt;		/* Packet for event or data frames */
+	struct sk_buff *pkt;		/* Packet for event or data frames */
 	u16 pad;		/* Number of pad bytes to read */
 	u16 rdlen;		/* Total number of bytes to read */
 	u8 rxseq;		/* Next sequence number to expect */
@@ -4628,7 +4631,7 @@ static void dhdsdio_pktgen_init(dhd_bus_t *bus)
 
 static void dhdsdio_pktgen(dhd_bus_t *bus)
 {
-	void *pkt;
+	struct sk_buff *pkt;
 	u8 *data;
 	uint pktcount;
 	uint fillbyte;
@@ -4735,7 +4738,7 @@ static void dhdsdio_pktgen(dhd_bus_t *bus)
 
 static void dhdsdio_sdtest_set(dhd_bus_t *bus, bool start)
 {
-	void *pkt;
+	struct sk_buff *pkt;
 	u8 *data;
 	struct osl_info *osh = bus->dhd->osh;
 
@@ -4760,7 +4763,7 @@ static void dhdsdio_sdtest_set(dhd_bus_t *bus, bool start)
 		bus->pktgen_fail++;
 }
 
-static void dhdsdio_testrcv(dhd_bus_t *bus, void *pkt, uint seq)
+static void dhdsdio_testrcv(dhd_bus_t *bus, struct sk_buff *pkt, uint seq)
 {
 	struct osl_info *osh = bus->dhd->osh;
 	u8 *data;
@@ -4962,7 +4965,7 @@ extern int dhd_bus_console_in(dhd_pub_t *dhdp, unsigned char *msg, uint msglen)
 	dhd_bus_t *bus = dhdp->bus;
 	u32 addr, val;
 	int rv;
-	void *pkt;
+	struct sk_buff *pkt;
 
 	/* Address could be zero if CONSOLE := 0 in dongle Makefile */
 	if (bus->console_addr == 0)
@@ -5989,7 +5992,7 @@ err:
 
 static int
 dhd_bcmsdh_recv_buf(dhd_bus_t *bus, u32 addr, uint fn, uint flags,
-		    u8 *buf, uint nbytes, void *pkt,
+		    u8 *buf, uint nbytes, struct sk_buff *pkt,
 		    bcmsdh_cmplt_fn_t complete, void *handle)
 {
 	int status;
@@ -6003,7 +6006,7 @@ dhd_bcmsdh_recv_buf(dhd_bus_t *bus, u32 addr, uint fn, uint flags,
 
 static int
 dhd_bcmsdh_send_buf(dhd_bus_t *bus, u32 addr, uint fn, uint flags,
-		    u8 *buf, uint nbytes, void *pkt,
+		    u8 *buf, uint nbytes, struct sk_buff *pkt,
 		    bcmsdh_cmplt_fn_t complete, void *handle)
 {
 	return bcmsdh_send_buf

drivers/staging/brcm80211/include/bcmsdbus.h

@@ -79,7 +79,7 @@ extern SDIOH_API_RC sdioh_request_buffer(sdioh_info_t *si, uint pio_dma,
 					 uint fix_inc, uint rw, uint fnc_num,
 					 u32 addr, uint regwidth,
 					 u32 buflen, u8 *buffer,
-					 void *pkt);
+					 struct sk_buff *pkt);
 
 /* get cis data */
 extern SDIOH_API_RC sdioh_cis_read(sdioh_info_t *si, uint fuc, u8 *cis,

drivers/staging/brcm80211/include/bcmsdh.h

@@ -122,7 +122,7 @@ extern int bcmsdh_send_buf(void *sdh, u32 addr, uint fn, uint flags,
 			   u8 *buf, uint nbytes, void *pkt,
 			   bcmsdh_cmplt_fn_t complete, void *handle);
 extern int bcmsdh_recv_buf(void *sdh, u32 addr, uint fn, uint flags,
-			   u8 *buf, uint nbytes, void *pkt,
+			   u8 *buf, uint nbytes, struct sk_buff *pkt,
 			   bcmsdh_cmplt_fn_t complete, void *handle);
 
 /* Flags bits */

drivers/staging/brcm80211/include/bcmutils.h

@@ -55,10 +55,10 @@
 #endif
 
 	typedef struct pktq_prec {
-		void *head;	/* first packet to dequeue */
-		void *tail;	/* last packet to dequeue */
-		u16 len;	/* number of queued packets */
-		u16 max;	/* maximum number of queued packets */
+		struct sk_buff *head;	/* first packet to dequeue */
+		struct sk_buff *tail;	/* last packet to dequeue */
+		u16 len;		/* number of queued packets */
+		u16 max;		/* maximum number of queued packets */
 	} pktq_prec_t;
 
 /* multi-priority pkt queue */
@@ -104,10 +104,13 @@
 #define pktq_ppeek(pq, prec)            ((pq)->q[prec].head)
 #define pktq_ppeek_tail(pq, prec)       ((pq)->q[prec].tail)
 
-	extern void *pktq_penq(struct pktq *pq, int prec, void *p);
-	extern void *pktq_penq_head(struct pktq *pq, int prec, void *p);
-	extern void *pktq_pdeq(struct pktq *pq, int prec);
-	extern void *pktq_pdeq_tail(struct pktq *pq, int prec);
+extern struct sk_buff *pktq_penq(struct pktq *pq, int prec,
+				 struct sk_buff *p);
+extern struct sk_buff *pktq_penq_head(struct pktq *pq, int prec,
+				      struct sk_buff *p);
+extern struct sk_buff *pktq_pdeq(struct pktq *pq, int prec);
+extern struct sk_buff *pktq_pdeq_tail(struct pktq *pq, int prec);
+
 /* Empty the queue at particular precedence level */
 #ifdef BRCM_FULLMAC
 	extern void pktq_pflush(struct osl_info *osh, struct pktq *pq, int prec,
@@ -119,8 +122,8 @@
 
 /* operations on a set of precedences in packet queue */
 
-	extern int pktq_mlen(struct pktq *pq, uint prec_bmp);
-	extern void *pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out);
+extern int pktq_mlen(struct pktq *pq, uint prec_bmp);
+extern struct sk_buff *pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out);
 
 /* operations on packet queue as a whole */
 
@@ -139,7 +142,7 @@
 
 	extern void pktq_init(struct pktq *pq, int num_prec, int max_len);
 /* prec_out may be NULL if caller is not interested in return value */
-	extern void *pktq_peek_tail(struct pktq *pq, int *prec_out);
+	extern struct sk_buff *pktq_peek_tail(struct pktq *pq, int *prec_out);
 #ifdef BRCM_FULLMAC
 	extern void pktq_flush(struct osl_info *osh, struct pktq *pq, bool dir);
 #else
@@ -164,7 +167,8 @@
 	extern char *getvar(char *vars, const char *name);
 	extern int getintvar(char *vars, const char *name);
 #ifdef BCMDBG
-	extern void prpkt(const char *msg, struct osl_info *osh, void *p0);
+	extern void prpkt(const char *msg, struct osl_info *osh,
+			  struct sk_buff *p0);
 #endif				/* BCMDBG */
 #define bcm_perf_enable()
 #define bcmstats(fmt)

drivers/staging/brcm80211/include/hnddma.h

@@ -41,7 +41,7 @@ typedef void (*di_txsuspend_t) (hnddma_t *dmah);
 typedef void (*di_txresume_t) (hnddma_t *dmah);
 typedef bool(*di_txsuspended_t) (hnddma_t *dmah);
 typedef bool(*di_txsuspendedidle_t) (hnddma_t *dmah);
-typedef int (*di_txfast_t) (hnddma_t *dmah, void *p, bool commit);
+typedef int (*di_txfast_t) (hnddma_t *dmah, struct sk_buff *p, bool commit);
 typedef int (*di_txunframed_t) (hnddma_t *dmah, void *p, uint len,
 				bool commit);
 typedef void *(*di_getpos_t) (hnddma_t *di, bool direction);

drivers/staging/brcm80211/sys/wl_mac80211.c

@@ -48,13 +48,6 @@
 #include <d11ucode_ext.h>
 
 
-extern void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg,
-			      bool suspend);
-bool wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw);
-void wlc_mac_bcn_promisc_change(wlc_info_t *wlc, bool promisc);
-void wlc_set_addrmatch(wlc_info_t *wlc, int match_reg_offset,
-		       const struct ether_addr *addr);
-
 static void wl_timer(unsigned long data);
 static void _wl_timer(wl_timer_t *t);
 

drivers/staging/brcm80211/sys/wlc_ampdu.c

@@ -146,11 +146,10 @@ static void scb_ampdu_update_config_all(ampdu_info_t *ampdu);
 #define wlc_ampdu_txflowcontrol(a, b, c)	do {} while (0)
 
 static void wlc_ampdu_dotxstatus_complete(ampdu_info_t *ampdu, struct scb *scb,
-					  void *p, tx_status_t *txs,
-					  u32 frmtxstatus,
-					  u32 frmtxstatus2);
+					  struct sk_buff *p, tx_status_t *txs,
+					  u32 frmtxstatus, u32 frmtxstatus2);
 
-static inline u16 pkt_txh_seqnum(wlc_info_t *wlc, void *p)
+static inline u16 pkt_txh_seqnum(wlc_info_t *wlc, struct sk_buff *p)
 {
 	d11txh_t *txh;
 	struct dot11_header *h;
@@ -471,7 +470,8 @@ static void wlc_ffpld_calc_mcs2ampdu_table(ampdu_info_t *ampdu, int f)
 }
 
 static void BCMFASTPATH
-wlc_ampdu_agg(ampdu_info_t *ampdu, struct scb *scb, void *p, uint prec)
+wlc_ampdu_agg(ampdu_info_t *ampdu, struct scb *scb, struct sk_buff *p,
+	      uint prec)
 {
 	scb_ampdu_t *scb_ampdu;
 	scb_ampdu_tid_ini_t *ini;
@@ -488,11 +488,12 @@ wlc_ampdu_agg(ampdu_info_t *ampdu, struct scb *scb, void *p, uint prec)
 }
 
 int BCMFASTPATH
-wlc_sendampdu(ampdu_info_t *ampdu, wlc_txq_info_t *qi, void **pdu, int prec)
+wlc_sendampdu(ampdu_info_t *ampdu, wlc_txq_info_t *qi, struct sk_buff **pdu,
+	      int prec)
 {
 	wlc_info_t *wlc;
 	struct osl_info *osh;
-	void *p, *pkt[AMPDU_MAX_MPDU];
+	struct sk_buff *p, *pkt[AMPDU_MAX_MPDU];
 	u8 tid, ndelim;
 	int err = 0;
 	u8 preamble_type = WLC_GF_PREAMBLE;
@@ -884,7 +885,7 @@ wlc_sendampdu(ampdu_info_t *ampdu, wlc_txq_info_t *qi, void **pdu, int prec)
 }
 
 void BCMFASTPATH
-wlc_ampdu_dotxstatus(ampdu_info_t *ampdu, struct scb *scb, void *p,
+wlc_ampdu_dotxstatus(ampdu_info_t *ampdu, struct scb *scb, struct sk_buff *p,
 		     tx_status_t *txs)
 {
 	scb_ampdu_t *scb_ampdu;
@@ -948,14 +949,12 @@ rate_status(wlc_info_t *wlc, struct ieee80211_tx_info *tx_info,
 	}
 }
 
-extern void wlc_txq_enq(wlc_info_t *wlc, struct scb *scb, void *sdu,
-			uint prec);
-
 #define SHORTNAME "AMPDU status"
 
 static void BCMFASTPATH
-wlc_ampdu_dotxstatus_complete(ampdu_info_t *ampdu, struct scb *scb, void *p,
-			      tx_status_t *txs, u32 s1, u32 s2)
+wlc_ampdu_dotxstatus_complete(ampdu_info_t *ampdu, struct scb *scb,
+			      struct sk_buff *p, tx_status_t *txs,
+			      u32 s1, u32 s2)
 {
 	scb_ampdu_t *scb_ampdu;
 	wlc_info_t *wlc = ampdu->wlc;

drivers/staging/brcm80211/sys/wlc_ampdu.h

@@ -21,10 +21,10 @@ extern ampdu_info_t *wlc_ampdu_attach(wlc_info_t *wlc);
 extern void wlc_ampdu_detach(ampdu_info_t *ampdu);
 extern bool wlc_ampdu_cap(ampdu_info_t *ampdu);
 extern int wlc_ampdu_set(ampdu_info_t *ampdu, bool on);
-extern int wlc_sendampdu(ampdu_info_t *ampdu, wlc_txq_info_t *qi, void **aggp,
-			 int prec);
-extern void wlc_ampdu_dotxstatus(ampdu_info_t *ampdu, struct scb *scb, void *p,
-				 tx_status_t *txs);
+extern int wlc_sendampdu(ampdu_info_t *ampdu, wlc_txq_info_t *qi,
+			 struct sk_buff **aggp, int prec);
+extern void wlc_ampdu_dotxstatus(ampdu_info_t *ampdu, struct scb *scb,
+				 struct sk_buff *p, tx_status_t *txs);
 extern void wlc_ampdu_reset(ampdu_info_t *ampdu);
 extern void wlc_ampdu_macaddr_upd(wlc_info_t *wlc);
 extern void wlc_ampdu_shm_upd(ampdu_info_t *ampdu);

drivers/staging/brcm80211/sys/wlc_bmac.c

@@ -270,9 +270,9 @@ static u32 WLBANDINITFN(wlc_setband_inact) (wlc_info_t *wlc, uint bandunit)
 static bool BCMFASTPATH
 wlc_bmac_recv(wlc_hw_info_t *wlc_hw, uint fifo, bool bound)
 {
-	void *p;
-	void *head = NULL;
-	void *tail = NULL;
+	struct sk_buff *p;
+	struct sk_buff *head = NULL;
+	struct sk_buff *tail = NULL;
 	uint n = 0;
 	uint bound_limit = bound ? wlc_hw->wlc->pub->tunables->rxbnd : -1;
 	u32 tsf_h, tsf_l;
@@ -3316,7 +3316,7 @@ bool BCMFASTPATH wlc_isr(wlc_info_t *wlc, bool *wantdpc)
 /* process tx completion events for corerev < 5 */
 static bool wlc_bmac_txstatus_corerev4(wlc_hw_info_t *wlc_hw)
 {
-	void *status_p;
+	struct sk_buff *status_p;
 	tx_status_t *txs;
 	struct osl_info *osh;
 	bool fatal = false;

drivers/staging/brcm80211/sys/wlc_mac80211.c

@@ -221,16 +221,15 @@ static const u8 acbitmap2maxprio[] = {
 #define WLC_REPLAY_CNTRS_VALUE	WPA_CAP_16_REPLAY_CNTRS
 
 /* local prototypes */
-extern void wlc_txq_enq(void *ctx, struct scb *scb, void *sdu, uint prec);
 static u16 BCMFASTPATH wlc_d11hdrs_mac80211(wlc_info_t *wlc,
-					       struct ieee80211_hw *hw, void *p,
+					       struct ieee80211_hw *hw,
+					       struct sk_buff *p,
 					       struct scb *scb, uint frag,
 					       uint nfrags, uint queue,
 					       uint next_frag_len,
 					       wsec_key_t *key,
 					       ratespec_t rspec_override);
-bool wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw);
-void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg, bool suspend);
+
 static void wlc_bss_default_init(wlc_info_t *wlc);
 static void wlc_ucode_mac_upd(wlc_info_t *wlc);
 static ratespec_t mac80211_wlc_set_nrate(wlc_info_t *wlc, wlcband_t *cur_band,
@@ -258,7 +257,7 @@ static void wlc_compute_mimo_plcp(ratespec_t rate, uint length, u8 *plcp);
 static u16 wlc_compute_frame_dur(wlc_info_t *wlc, ratespec_t rate,
 				    u8 preamble_type, uint next_frag_len);
 static void wlc_recvctl(wlc_info_t *wlc, struct osl_info *osh, d11rxhdr_t *rxh,
-			void *p);
+			struct sk_buff *p);
 static uint wlc_calc_frame_len(wlc_info_t *wlc, ratespec_t rate,
 			       u8 preamble_type, uint dur);
 static uint wlc_calc_ack_time(wlc_info_t *wlc, ratespec_t rate,
@@ -5000,10 +4999,10 @@ wlc_prec_enq(wlc_info_t *wlc, struct pktq *q, void *pkt, int prec)
 }
 
 bool BCMFASTPATH
-wlc_prec_enq_head(wlc_info_t *wlc, struct pktq *q, void *pkt, int prec,
-		  bool head)
+wlc_prec_enq_head(wlc_info_t *wlc, struct pktq *q, struct sk_buff *pkt,
+		  int prec, bool head)
 {
-	void *p;
+	struct sk_buff *p;
 	int eprec = -1;		/* precedence to evict from */
 
 	/* Determine precedence from which to evict packet, if any */
@@ -5064,7 +5063,8 @@ wlc_prec_enq_head(wlc_info_t *wlc, struct pktq *q, void *pkt, int prec,
 	return true;
 }
 
-void BCMFASTPATH wlc_txq_enq(void *ctx, struct scb *scb, void *sdu, uint prec)
+void BCMFASTPATH wlc_txq_enq(void *ctx, struct scb *scb, struct sk_buff *sdu,
+			     uint prec)
 {
 	wlc_info_t *wlc = (wlc_info_t *) ctx;
 	wlc_txq_info_t *qi = wlc->active_queue;	/* Check me */
@@ -5104,7 +5104,8 @@ void BCMFASTPATH wlc_txq_enq(void *ctx, struct scb *scb, void *sdu, uint prec)
 }
 
 bool BCMFASTPATH
-wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw)
+wlc_sendpkt_mac80211(wlc_info_t *wlc, struct sk_buff *sdu,
+		     struct ieee80211_hw *hw)
 {
 	u8 prio;
 	uint fifo;
@@ -5141,7 +5142,7 @@ wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw)
 
 void BCMFASTPATH wlc_send_q(wlc_info_t *wlc, wlc_txq_info_t *qi)
 {
-	void *pkt[DOT11_MAXNUMFRAGS];
+	struct sk_buff *pkt[DOT11_MAXNUMFRAGS];
 	int prec;
 	u16 prec_map;
 	int err = 0, i, count;
@@ -5228,7 +5229,8 @@ bcmc_fid_generate(wlc_info_t *wlc, wlc_bsscfg_t *bsscfg, d11txh_t *txh)
 }
 
 void BCMFASTPATH
-wlc_txfifo(wlc_info_t *wlc, uint fifo, void *p, bool commit, s8 txpktpend)
+wlc_txfifo(wlc_info_t *wlc, uint fifo, struct sk_buff *p, bool commit,
+	   s8 txpktpend)
 {
 	u16 frameid = INVALIDFID;
 	d11txh_t *txh;
@@ -5641,7 +5643,7 @@ wlc_rspec_to_rts_rspec(wlc_info_t *wlc, ratespec_t rspec, bool use_rspec,
  */
 static u16 BCMFASTPATH
 wlc_d11hdrs_mac80211(wlc_info_t *wlc, struct ieee80211_hw *hw,
-		     void *p, struct scb *scb, uint frag,
+		     struct sk_buff *p, struct scb *scb, uint frag,
 		     uint nfrags, uint queue, uint next_frag_len,
 		     wsec_key_t *key, ratespec_t rspec_override)
 {
@@ -6507,7 +6509,7 @@ static void wlc_war16165(wlc_info_t *wlc, bool tx)
 bool BCMFASTPATH
 wlc_dotxstatus(wlc_info_t *wlc, tx_status_t *txs, u32 frm_tx2)
 {
-	void *p;
+	struct sk_buff *p;
 	uint queue;
 	d11txh_t *txh;
 	struct scb *scb = NULL;
@@ -6790,7 +6792,7 @@ void wlc_bcn_li_upd(wlc_info_t *wlc)
 }
 
 static void
-prep_mac80211_status(wlc_info_t *wlc, d11rxhdr_t *rxh, void *p,
+prep_mac80211_status(wlc_info_t *wlc, d11rxhdr_t *rxh, struct sk_buff *p,
 		     struct ieee80211_rx_status *rx_status)
 {
 	u32 tsf_l, tsf_h;
@@ -6900,7 +6902,8 @@ prep_mac80211_status(wlc_info_t *wlc, d11rxhdr_t *rxh, void *p,
 }
 
 static void
-wlc_recvctl(wlc_info_t *wlc, struct osl_info *osh, d11rxhdr_t *rxh, void *p)
+wlc_recvctl(wlc_info_t *wlc, struct osl_info *osh, d11rxhdr_t *rxh,
+	    struct sk_buff *p)
 {
 	int len_mpdu;
 	struct ieee80211_rx_status rx_status;
@@ -6963,7 +6966,7 @@ void wlc_bss_list_free(wlc_info_t *wlc, wlc_bss_list_t *bss_list)
  * Param 'bound' indicates max. # frames to process before break out.
  */
 /* WLC_HIGH_API */
-void BCMFASTPATH wlc_recv(wlc_info_t *wlc, void *p)
+void BCMFASTPATH wlc_recv(wlc_info_t *wlc, struct sk_buff *p)
 {
 	d11rxhdr_t *rxh;
 	struct dot11_header *h;
@@ -7789,7 +7792,7 @@ wlc_bss_update_probe_resp(wlc_info_t *wlc, wlc_bsscfg_t *cfg, bool suspend)
 }
 
 /* prepares pdu for transmission. returns BCM error codes */
-int wlc_prep_pdu(wlc_info_t *wlc, void *pdu, uint *fifop)
+int wlc_prep_pdu(wlc_info_t *wlc, struct sk_buff *pdu, uint *fifop)
 {
 	struct osl_info *osh;
 	uint fifo;

drivers/staging/brcm80211/sys/wlc_mac80211.h

@@ -818,11 +818,13 @@ struct antsel_info {
 extern void wlc_high_dpc(wlc_info_t *wlc, u32 macintstatus);
 extern void wlc_fatal_error(wlc_info_t *wlc);
 extern void wlc_bmac_rpc_watchdog(wlc_info_t *wlc);
-extern void wlc_recv(wlc_info_t *wlc, void *p);
+extern void wlc_recv(wlc_info_t *wlc, struct sk_buff *p);
 extern bool wlc_dotxstatus(wlc_info_t *wlc, tx_status_t *txs, u32 frm_tx2);
-extern void wlc_txfifo(wlc_info_t *wlc, uint fifo, void *p, bool commit,
-		       s8 txpktpend);
+extern void wlc_txfifo(wlc_info_t *wlc, uint fifo, struct sk_buff *p,
+		       bool commit, s8 txpktpend);
 extern void wlc_txfifo_complete(wlc_info_t *wlc, uint fifo, s8 txpktpend);
+extern void wlc_txq_enq(void *ctx, struct scb *scb, struct sk_buff *sdu,
+			uint prec);
 extern void wlc_info_init(wlc_info_t *wlc, int unit);
 extern void wlc_print_txstatus(tx_status_t *txs);
 extern int wlc_xmtfifo_sz_get(wlc_info_t *wlc, uint fifo, uint *blocks);
@@ -879,7 +881,7 @@ extern void wlc_txflowcontrol_override(wlc_info_t *wlc, wlc_txq_info_t *qi,
 extern bool wlc_txflowcontrol_prio_isset(wlc_info_t *wlc, wlc_txq_info_t *qi,
 					 int prio);
 extern void wlc_send_q(wlc_info_t *wlc, wlc_txq_info_t *qi);
-extern int wlc_prep_pdu(wlc_info_t *wlc, void *pdu, uint *fifo);
+extern int wlc_prep_pdu(wlc_info_t *wlc, struct sk_buff *pdu, uint *fifo);
 
 extern u16 wlc_calc_lsig_len(wlc_info_t *wlc, ratespec_t ratespec,
 				uint mac_len);
@@ -923,8 +925,8 @@ extern bool wlc_ismpc(wlc_info_t *wlc);
 extern bool wlc_is_non_delay_mpc(wlc_info_t *wlc);
 extern void wlc_radio_mpc_upd(wlc_info_t *wlc);
 extern bool wlc_prec_enq(wlc_info_t *wlc, struct pktq *q, void *pkt, int prec);
-extern bool wlc_prec_enq_head(wlc_info_t *wlc, struct pktq *q, void *pkt,
-			      int prec, bool head);
+extern bool wlc_prec_enq_head(wlc_info_t *wlc, struct pktq *q,
+			      struct sk_buff *pkt, int prec, bool head);
 extern u16 wlc_phytxctl1_calc(wlc_info_t *wlc, ratespec_t rspec);
 extern void wlc_compute_plcp(wlc_info_t *wlc, ratespec_t rate, uint length,
 			     u8 *plcp);
@@ -953,8 +955,6 @@ extern void wlc_mimops_action_ht_send(wlc_info_t *wlc, wlc_bsscfg_t *bsscfg,
 extern void wlc_switch_shortslot(wlc_info_t *wlc, bool shortslot);
 extern void wlc_set_bssid(wlc_bsscfg_t *cfg);
 extern void wlc_edcf_setparams(wlc_bsscfg_t *cfg, bool suspend);
-extern void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg,
-			      bool suspend);
 
 extern void wlc_set_ratetable(wlc_info_t *wlc);
 extern int wlc_set_mac(wlc_bsscfg_t *cfg);

drivers/staging/brcm80211/sys/wlc_pub.h

@@ -512,6 +512,8 @@ extern bool wlc_isr(struct wlc_info *wlc, bool *wantdpc);
 extern bool wlc_dpc(struct wlc_info *wlc, bool bounded);
 extern bool wlc_send80211_raw(struct wlc_info *wlc, wlc_if_t *wlcif, void *p,
 			      uint ac);
+extern bool wlc_sendpkt_mac80211(wlc_info_t *wlc, struct sk_buff *sdu,
+				 struct ieee80211_hw *hw);
 extern int wlc_iovar_op(struct wlc_info *wlc, const char *name, void *params,
 			int p_len, void *arg, int len, bool set,
 			struct wlc_if *wlcif);
@@ -520,6 +522,11 @@ extern int wlc_ioctl(struct wlc_info *wlc, int cmd, void *arg, int len,
 /* helper functions */
 extern void wlc_statsupd(struct wlc_info *wlc);
 extern int wlc_get_header_len(void);
+extern void wlc_mac_bcn_promisc_change(wlc_info_t *wlc, bool promisc);
+extern void wlc_set_addrmatch(wlc_info_t *wlc, int match_reg_offset,
+			      const struct ether_addr *addr);
+extern void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg,
+			      bool suspend);
 
 extern wlc_pub_t *wlc_pub(void *wlc);
 

drivers/staging/brcm80211/util/bcmutils.c

@@ -33,7 +33,7 @@
 #include <proto/802.11.h>
 
 /* copy a buffer into a pkt buffer chain */
-uint pktfrombuf(struct osl_info *osh, void *p, uint offset, int len,
+uint pktfrombuf(struct osl_info *osh, struct sk_buff *p, uint offset, int len,
 		unsigned char *buf)
 {
 	uint n, ret = 0;
@@ -61,7 +61,7 @@ uint pktfrombuf(struct osl_info *osh, void *p, uint offset, int len,
 	return ret;
 }
 /* return total length of buffer chain */
-uint BCMFASTPATH pkttotlen(struct osl_info *osh, void *p)
+uint BCMFASTPATH pkttotlen(struct osl_info *osh, struct sk_buff *p)
 {
 	uint total;
 
@@ -75,7 +75,8 @@ uint BCMFASTPATH pkttotlen(struct osl_info *osh, void *p)
  * osl multiple-precedence packet queue
  * hi_prec is always >= the number of the highest non-empty precedence
  */
-void *BCMFASTPATH pktq_penq(struct pktq *pq, int prec, void *p)
+struct sk_buff *BCMFASTPATH pktq_penq(struct pktq *pq, int prec,
+				      struct sk_buff *p)
 {
 	struct pktq_prec *q;
 
@@ -103,7 +104,8 @@ void *BCMFASTPATH pktq_penq(struct pktq *pq, int prec, void *p)
 	return p;
 }
 
-void *BCMFASTPATH pktq_penq_head(struct pktq *pq, int prec, void *p)
+struct sk_buff *BCMFASTPATH pktq_penq_head(struct pktq *pq, int prec,
+					   struct sk_buff *p)
 {
 	struct pktq_prec *q;
 
@@ -130,10 +132,10 @@ void *BCMFASTPATH pktq_penq_head(struct pktq *pq, int prec, void *p)
 	return p;
 }
 
-void *BCMFASTPATH pktq_pdeq(struct pktq *pq, int prec)
+struct sk_buff *BCMFASTPATH pktq_pdeq(struct pktq *pq, int prec)
 {
 	struct pktq_prec *q;
-	void *p;
+	struct sk_buff *p;
 
 	ASSERT(prec >= 0 && prec < pq->num_prec);
 
@@ -156,10 +158,10 @@ void *BCMFASTPATH pktq_pdeq(struct pktq *pq, int prec)
 	return p;
 }
 
-void *BCMFASTPATH pktq_pdeq_tail(struct pktq *pq, int prec)
+struct sk_buff *BCMFASTPATH pktq_pdeq_tail(struct pktq *pq, int prec)
 {
 	struct pktq_prec *q;
-	void *p, *prev;
+	struct sk_buff *p, *prev;
 
 	ASSERT(prec >= 0 && prec < pq->num_prec);
 
@@ -189,7 +191,7 @@ void *BCMFASTPATH pktq_pdeq_tail(struct pktq *pq, int prec)
 void pktq_pflush(struct osl_info *osh, struct pktq *pq, int prec, bool dir)
 {
 	struct pktq_prec *q;
-	void *p;
+	struct sk_buff *p;
 
 	q = &pq->q[prec];
 	p = q->head;
@@ -218,7 +220,7 @@ pktq_pflush(struct osl_info *osh, struct pktq *pq, int prec, bool dir,
 	    ifpkt_cb_t fn, int arg)
 {
 	struct pktq_prec *q;
-	void *p, *prev = NULL;
+	struct sk_buff *p, *prev = NULL;
 
 	q = &pq->q[prec];
 	p = q->head;
@@ -275,7 +277,7 @@ void pktq_init(struct pktq *pq, int num_prec, int max_len)
 		pq->q[prec].max = pq->max;
 }
 
-void *pktq_peek_tail(struct pktq *pq, int *prec_out)
+struct sk_buff *pktq_peek_tail(struct pktq *pq, int *prec_out)
 {
 	int prec;
 
@@ -306,10 +308,11 @@ int pktq_mlen(struct pktq *pq, uint prec_bmp)
 	return len;
 }
 /* Priority dequeue from a specific set of precedences */
-void *BCMFASTPATH pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out)
+struct sk_buff *BCMFASTPATH pktq_mdeq(struct pktq *pq, uint prec_bmp,
+				      int *prec_out)
 {
 	struct pktq_prec *q;
-	void *p;
+	struct sk_buff *p;
 	int prec;
 
 	if (pq->len == 0)
@@ -407,9 +410,9 @@ int getintvar(char *vars, const char *name)
 
 #if defined(BCMDBG)
 /* pretty hex print a pkt buffer chain */
-void prpkt(const char *msg, struct osl_info *osh, void *p0)
+void prpkt(const char *msg, struct osl_info *osh, struct sk_buff *p0)
 {
-	void *p;
+	struct sk_buff *p;
 
 	if (msg && (msg[0] != '\0'))
 		printf("%s:\n", msg);

drivers/staging/brcm80211/util/hnddma.c

@@ -232,7 +232,7 @@ static bool dma32_alloc(dma_info_t *di, uint direction);
 static bool dma32_txreset(dma_info_t *di);
 static bool dma32_rxreset(dma_info_t *di);
 static bool dma32_txsuspendedidle(dma_info_t *di);
-static int dma32_txfast(dma_info_t *di, void *p0, bool commit);
+static int dma32_txfast(dma_info_t *di, struct sk_buff *p0, bool commit);
 static void *dma32_getnexttxp(dma_info_t *di, txd_range_t range);
 static void *dma32_getnextrxp(dma_info_t *di, bool forceall);
 static void dma32_txrotate(dma_info_t *di);
@@ -254,7 +254,7 @@ static bool dma64_alloc(dma_info_t *di, uint direction);
 static bool dma64_txreset(dma_info_t *di);
 static bool dma64_rxreset(dma_info_t *di);
 static bool dma64_txsuspendedidle(dma_info_t *di);
-static int dma64_txfast(dma_info_t *di, void *p0, bool commit);
+static int dma64_txfast(dma_info_t *di, struct sk_buff *p0, bool commit);
 static int dma64_txunframed(dma_info_t *di, void *p0, uint len, bool commit);
 static void *dma64_getpos(dma_info_t *di, bool direction);
 static void *dma64_getnexttxp(dma_info_t *di, txd_range_t range);
@@ -979,7 +979,7 @@ _dma_rx_param_get(dma_info_t *di, u16 *rxoffset, u16 *rxbufsize)
  */
 static void *BCMFASTPATH _dma_rx(dma_info_t *di)
 {
-	void *p, *head, *tail;
+	struct sk_buff *p, *head, *tail;
 	uint len;
 	uint pkt_len;
 	int resid = 0;
@@ -1054,7 +1054,7 @@ static void *BCMFASTPATH _dma_rx(dma_info_t *di)
  */
 static bool BCMFASTPATH _dma_rxfill(dma_info_t *di)
 {
-	void *p;
+	struct sk_buff *p;
 	u16 rxin, rxout;
 	u32 flags = 0;
 	uint n;
@@ -1652,9 +1652,9 @@ static bool dma32_txsuspendedidle(dma_info_t *di)
  * WARNING: call must check the return value for error.
  *   the error(toss frames) could be fatal and cause many subsequent hard to debug problems
  */
-static int dma32_txfast(dma_info_t *di, void *p0, bool commit)
+static int dma32_txfast(dma_info_t *di, struct sk_buff *p0, bool commit)
 {
-	void *p, *next;
+	struct sk_buff *p, *next;
 	unsigned char *data;
 	uint len;
 	u16 txout;
@@ -2301,9 +2301,10 @@ static int dma64_txunframed(dma_info_t *di, void *buf, uint len, bool commit)
  * WARNING: call must check the return value for error.
  *   the error(toss frames) could be fatal and cause many subsequent hard to debug problems
  */
-static int BCMFASTPATH dma64_txfast(dma_info_t *di, void *p0, bool commit)
+static int BCMFASTPATH dma64_txfast(dma_info_t *di, struct sk_buff *p0,
+				    bool commit)
 {
-	void *p, *next;
+	struct sk_buff *p, *next;
 	unsigned char *data;
 	uint len;
 	u16 txout;