Staging: et131x: kill off RXMAC_PF_CTRL_t

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/et131x/et1310_address_map.h

@@ -830,29 +830,15 @@ typedef union _RXMAC_UNI_PF_ADDR3_t {
 /*
  * structure for Packet Filter Control reg in rxmac address map
  * located at address 0x4084
+ *
+ * 31-23: unused
+ * 22-16: min_pkt_size
+ * 15-4: unused
+ * 3: filter_frag_en
+ * 2: filter_uni_en
+ * 1: filter_multi_en
+ * 0: filter_broad_en
  */
-typedef union _RXMAC_PF_CTRL_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused2:9;		/* bits 23-31 */
-		u32 min_pkt_size:7;	/* bits 16-22 */
-		u32 unused1:12;		/* bits 4-15 */
-		u32 filter_frag_en:1;	/* bit 3 */
-		u32 filter_uni_en:1;	/* bit 2 */
-		u32 filter_multi_en:1;	/* bit 1 */
-		u32 filter_broad_en:1;	/* bit 0 */
-#else
-		u32 filter_broad_en:1;	/* bit 0 */
-		u32 filter_multi_en:1;	/* bit 1 */
-		u32 filter_uni_en:1;	/* bit 2 */
-		u32 filter_frag_en:1;	/* bit 3 */
-		u32 unused1:12;		/* bits 4-15 */
-		u32 min_pkt_size:7;	/* bits 16-22 */
-		u32 unused2:9;		/* bits 23-31 */
-#endif
-	} bits;
-} RXMAC_PF_CTRL_t, *PRXMAC_PF_CTRL_t;
 
 /*
  * structure for Memory Controller Interface Control Max Segment reg in rxmac
@@ -1017,7 +1003,7 @@ typedef struct _RXMAC_t {				/* Location: */
 	u32 multi_hash2;				/*  0x4078 */
 	u32 multi_hash3;				/*  0x407C */
 	u32 multi_hash4;				/*  0x4080 */
-	RXMAC_PF_CTRL_t pf_ctrl;			/*  0x4084 */
+	u32 pf_ctrl;					/*  0x4084 */
 	RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg;	/*  0x4088 */
 	RXMAC_MCIF_WATER_MARK_t mcif_water_mark;	/*  0x408C */
 	RXMAC_RXQ_DIAG_t rxq_diag;			/*  0x4090 */

drivers/staging/et131x/et1310_mac.c

@@ -241,7 +241,7 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	struct _RXMAC_t __iomem *pRxMac = &etdev->regs->rxmac;
 	RXMAC_WOL_SA_LO_t sa_lo;
 	RXMAC_WOL_SA_HI_t sa_hi;
-	RXMAC_PF_CTRL_t pf_ctrl = { 0 };
+	u32 pf_ctrl = 0;
 
 	/* Disable the MAC while it is being configured (also disable WOL) */
 	writel(0x8, &pRxMac->ctrl.value);
@@ -292,12 +292,12 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	writel(sa_hi.value, &pRxMac->sa_hi.value);
 
 	/* Disable all Packet Filtering */
-	writel(0, &pRxMac->pf_ctrl.value);
+	writel(0, &pRxMac->pf_ctrl);
 
 	/* Let's initialize the Unicast Packet filtering address */
 	if (etdev->PacketFilter & ET131X_PACKET_TYPE_DIRECTED) {
 		SetupDeviceForUnicast(etdev);
-		pf_ctrl.bits.filter_uni_en = 1;
+		pf_ctrl |= 4;	/* Unicast filter */
 	} else {
 		writel(0, &pRxMac->uni_pf_addr1.value);
 		writel(0, &pRxMac->uni_pf_addr2.value);
@@ -305,16 +305,14 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	}
 
 	/* Let's initialize the Multicast hash */
-	if (etdev->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST) {
-		pf_ctrl.bits.filter_multi_en = 0;
-	} else {
-		pf_ctrl.bits.filter_multi_en = 1;
+	if (!(etdev->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST)) {
+		pf_ctrl |= 2;	/* Multicast filter */
 		SetupDeviceForMulticast(etdev);
 	}
 
 	/* Runt packet filtering.  Didn't work in version A silicon. */
-	pf_ctrl.bits.min_pkt_size = NIC_MIN_PACKET_SIZE + 4;
-	pf_ctrl.bits.filter_frag_en = 1;
+	pf_ctrl |= (NIC_MIN_PACKET_SIZE + 4) << 16;
+	pf_ctrl |= 8;	/* Fragment filter */
 
 	if (etdev->RegistryJumboPacket > 8192) {
 		RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg;
@@ -370,7 +368,7 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	 * dropping doesn't work, so it is disabled in the pf_ctrl register,
 	 * but we still leave the packet filter on.
 	 */
-	writel(pf_ctrl.value, &pRxMac->pf_ctrl.value);
+	writel(pf_ctrl, &pRxMac->pf_ctrl);
 	writel(0x9, &pRxMac->ctrl.value);
 }
 

drivers/staging/et131x/et131x_netdev.c

@@ -334,6 +334,8 @@ int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd)
  * et131x_set_packet_filter - Configures the Rx Packet filtering on the device
  * @adapter: pointer to our private adapter structure
  *
+ * FIXME: lot of dups with MAC code
+ *
  * Returns 0 on success, errno on failure
  */
 int et131x_set_packet_filter(struct et131x_adapter *adapter)
@@ -341,10 +343,10 @@ int et131x_set_packet_filter(struct et131x_adapter *adapter)
 	int status = 0;
 	uint32_t filter = adapter->PacketFilter;
 	RXMAC_CTRL_t ctrl;
-	RXMAC_PF_CTRL_t pf_ctrl;
+	u32 pf_ctrl;
 
 	ctrl.value = readl(&adapter->regs->rxmac.ctrl.value);
-	pf_ctrl.value = readl(&adapter->regs->rxmac.pf_ctrl.value);
+	pf_ctrl = readl(&adapter->regs->rxmac.pf_ctrl);
 
 	/* Default to disabled packet filtering.  Enable it in the individual
 	 * case statements that require the device to filter something
@@ -354,45 +356,41 @@ int et131x_set_packet_filter(struct et131x_adapter *adapter)
 	/* Set us to be in promiscuous mode so we receive everything, this
 	 * is also true when we get a packet filter of 0
 	 */
-	if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0) {
-		pf_ctrl.bits.filter_broad_en = 0;
-		pf_ctrl.bits.filter_multi_en = 0;
-		pf_ctrl.bits.filter_uni_en = 0;
-	} else {
+	if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0)
+		pf_ctrl &= ~7;	/* Clear filter bits */
+	else {
 		/*
 		 * Set us up with Multicast packet filtering.  Three cases are
 		 * possible - (1) we have a multi-cast list, (2) we receive ALL
 		 * multicast entries or (3) we receive none.
 		 */
-		if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST) {
-			pf_ctrl.bits.filter_multi_en = 0;
-		} else {
+		if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST)
+			pf_ctrl &= ~2;	/* Multicast filter bit */
+		else {
 			SetupDeviceForMulticast(adapter);
-			pf_ctrl.bits.filter_multi_en = 1;
+			pf_ctrl |= 2;
 			ctrl.bits.pkt_filter_disable = 0;
 		}
 
 		/* Set us up with Unicast packet filtering */
 		if (filter & ET131X_PACKET_TYPE_DIRECTED) {
 			SetupDeviceForUnicast(adapter);
-			pf_ctrl.bits.filter_uni_en = 1;
+			pf_ctrl |= 4;
 			ctrl.bits.pkt_filter_disable = 0;
 		}
 
 		/* Set us up with Broadcast packet filtering */
 		if (filter & ET131X_PACKET_TYPE_BROADCAST) {
-			pf_ctrl.bits.filter_broad_en = 1;
+			pf_ctrl |= 1;	/* Broadcast filter bit */
 			ctrl.bits.pkt_filter_disable = 0;
-		} else {
-			pf_ctrl.bits.filter_broad_en = 0;
-		}
+		} else
+			pf_ctrl &= ~1;
 
 		/* Setup the receive mac configuration registers - Packet
 		 * Filter control + the enable / disable for packet filter
 		 * in the control reg.
 		 */
-		writel(pf_ctrl.value,
-		       &adapter->regs->rxmac.pf_ctrl.value);
+		writel(pf_ctrl, &adapter->regs->rxmac.pf_ctrl);
 		writel(ctrl.value, &adapter->regs->rxmac.ctrl.value);
 	}
 	return status;