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Date:      Fri, 27 Feb 2009 19:25:06 +0000 (UTC)
From:      David Christensen <davidch@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r189117 - head/sys/dev/bce
Message-ID:  <200902271925.n1RJP699080658@svn.freebsd.org>

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Author: davidch
Date: Fri Feb 27 19:25:06 2009
New Revision: 189117
URL: http://svn.freebsd.org/changeset/base/189117

Log:
  - Update copyright to 2009.
  - Only enable split header operation when ZERO_COPY_SOCKETS is enabled in
    the kernel.
  
  Submitted by:	davidch
  MFC after:	1 week

Modified:
  head/sys/dev/bce/if_bce.c
  head/sys/dev/bce/if_bcefw.h
  head/sys/dev/bce/if_bcereg.h

Modified: head/sys/dev/bce/if_bce.c
==============================================================================
--- head/sys/dev/bce/if_bce.c	Fri Feb 27 19:23:55 2009	(r189116)
+++ head/sys/dev/bce/if_bce.c	Fri Feb 27 19:25:06 2009	(r189117)
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2006-2008 Broadcom Corporation
+ * Copyright (c) 2006-2009 Broadcom Corporation
  *	David Christensen <davidch@broadcom.com>.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -89,7 +89,6 @@ __FBSDID("$FreeBSD$");
 /****************************************************************************/
 /* BCE Build Time Options                                                   */
 /****************************************************************************/
-#define BCE_USE_SPLIT_HEADER 1
 /* #define BCE_NVRAM_WRITE_SUPPORT 1 */
 
 
@@ -294,12 +293,12 @@ static void bce_dump_enet           (str
 static void bce_dump_mbuf 			(struct bce_softc *, struct mbuf *);
 static void bce_dump_tx_mbuf_chain	(struct bce_softc *, u16, int);
 static void bce_dump_rx_mbuf_chain	(struct bce_softc *, u16, int);
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 static void bce_dump_pg_mbuf_chain	(struct bce_softc *, u16, int);
 #endif
 static void bce_dump_txbd			(struct bce_softc *, int, struct tx_bd *);
 static void bce_dump_rxbd			(struct bce_softc *, int, struct rx_bd *);
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 static void bce_dump_pgbd			(struct bce_softc *, int, struct rx_bd *);
 #endif
 static void bce_dump_l2fhdr			(struct bce_softc *, int, struct l2_fhdr *);
@@ -307,7 +306,7 @@ static void bce_dump_ctx			(struct bce_s
 static void bce_dump_ftqs			(struct bce_softc *);
 static void bce_dump_tx_chain		(struct bce_softc *, u16, int);
 static void bce_dump_rx_chain		(struct bce_softc *, u16, int);
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 static void bce_dump_pg_chain		(struct bce_softc *, u16, int);
 #endif
 static void bce_dump_status_block	(struct bce_softc *);
@@ -392,7 +391,7 @@ static int  bce_init_rx_chain		(struct b
 static void bce_fill_rx_chain		(struct bce_softc *);
 static void bce_free_rx_chain		(struct bce_softc *);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 static int  bce_get_pg_buf			(struct bce_softc *, struct mbuf *, u16 *, u16 *);
 static int  bce_init_pg_chain		(struct bce_softc *);
 static void bce_fill_pg_chain		(struct bce_softc *);
@@ -597,7 +596,7 @@ bce_print_adapter_info(struct bce_softc 
 
 	/* Firmware version and device features. */
 	printf("F/W (0x%08X); Flags( ", sc->bce_fw_ver);
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	printf("SPLT ");
 #endif
 	if (sc->bce_flags & BCE_MFW_ENABLE_FLAG)
@@ -1013,7 +1012,7 @@ bce_attach(device_t dev)
 	 * This may change later if the MTU size is set to
 	 * something other than 1500.
 	 */
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	sc->rx_bd_mbuf_alloc_size = MHLEN;
 	/* Make sure offset is 16 byte aligned for hardware. */
 	sc->rx_bd_mbuf_align_pad  = roundup2((MSIZE - MHLEN), 16) -
@@ -2753,7 +2752,7 @@ bce_dma_free(struct bce_softc *sc)
 	}
 
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	/* Free, unmap and destroy all page buffer descriptor chain pages. */
 	for (i = 0; i < PG_PAGES; i++ ) {
 		if (sc->pg_bd_chain[i] != NULL) {
@@ -2817,7 +2816,7 @@ bce_dma_free(struct bce_softc *sc)
 		sc->rx_mbuf_tag = NULL;
 	}
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	/* Unload and destroy the page mbuf maps. */
 	for (i = 0; i < TOTAL_PG_BD; i++) {
 		if (sc->pg_mbuf_map[i] != NULL) {
@@ -3267,7 +3266,7 @@ bce_dma_alloc(device_t dev)
 	/*
 	 * Create a DMA tag for RX mbufs.
 	 */
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	max_size = max_seg_size = ((sc->rx_bd_mbuf_alloc_size < MCLBYTES) ?
 		MCLBYTES : sc->rx_bd_mbuf_alloc_size);
 #else
@@ -3303,7 +3302,7 @@ bce_dma_alloc(device_t dev)
 		}
 	}
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	/*
 	 * Create a DMA tag for the page buffer descriptor chain,
 	 * allocate and clear the memory, and fetch the physical
@@ -4384,7 +4383,7 @@ bce_stop(struct bce_softc *sc)
 	bce_disable_intr(sc);
 
 	/* Free RX buffers. */
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	bce_free_pg_chain(sc);
 #endif
 	bce_free_rx_chain(sc);
@@ -4822,7 +4821,7 @@ bce_get_rx_buf(struct bce_softc *sc, str
 			goto bce_get_rx_buf_exit);
 
 		/* This is a new mbuf allocation. */
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 		MGETHDR(m_new, M_DONTWAIT, MT_DATA);
 #else
 		if (sc->rx_bd_mbuf_alloc_size <= MCLBYTES)
@@ -4901,7 +4900,7 @@ bce_get_rx_buf_exit:
 }
 
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 /****************************************************************************/
 /* Encapsulate an mbuf cluster into the page chain.                        */
 /*                                                                          */
@@ -5010,7 +5009,7 @@ bce_get_pg_buf_exit:
 
 	return(rc);
 }
-#endif /* BCE_USE_SPLIT_HEADER */
+#endif /* ZERO_COPY_SOCKETS */
 
 /****************************************************************************/
 /* Initialize the TX context memory.                                        */
@@ -5368,7 +5367,7 @@ bce_free_rx_chain(struct bce_softc *sc)
 }
 
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 /****************************************************************************/
 /* Allocate memory and initialize the page data structures.                 */
 /* Assumes that bce_init_rx_chain() has not already been called.            */
@@ -5534,7 +5533,7 @@ bce_free_pg_chain(struct bce_softc *sc)
 
 	DBEXIT(BCE_VERBOSE_RESET | BCE_VERBOSE_RECV | BCE_VERBOSE_UNLOAD);
 }
-#endif /* BCE_USE_SPLIT_HEADER */
+#endif /* ZERO_COPY_SOCKETS */
 
 
 /****************************************************************************/
@@ -5707,7 +5706,7 @@ bce_rx_intr(struct bce_softc *sc)
 	unsigned int pkt_len;
 	u16 sw_rx_cons, sw_rx_cons_idx, hw_rx_cons;
 	u32 status;
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	unsigned int rem_len;
 	u16 sw_pg_cons, sw_pg_cons_idx;
 #endif
@@ -5723,7 +5722,7 @@ bce_rx_intr(struct bce_softc *sc)
 		bus_dmamap_sync(sc->rx_bd_chain_tag,
 		    sc->rx_bd_chain_map[i], BUS_DMASYNC_POSTWRITE);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	/* Prepare the page chain pages to be accessed by the host CPU. */
 	for (int i = 0; i < PG_PAGES; i++)
 		bus_dmamap_sync(sc->pg_bd_chain_tag,
@@ -5735,7 +5734,7 @@ bce_rx_intr(struct bce_softc *sc)
 
 	/* Get working copies of the driver's view of the consumer indices. */
 	sw_rx_cons = sc->rx_cons;
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	sw_pg_cons = sc->pg_cons;
 #endif
 
@@ -5797,7 +5796,7 @@ bce_rx_intr(struct bce_softc *sc)
 		 */
 		m_adj(m0, sizeof(struct l2_fhdr) + ETHER_ALIGN);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 		/*
 		 * Check whether the received frame fits in a single
 		 * mbuf or not (i.e. packet data + FCS <=
@@ -5970,7 +5969,7 @@ bce_rx_int_next_rx:
 		if (m0) {
 			/* Make sure we don't lose our place when we release the lock. */
 			sc->rx_cons = sw_rx_cons;
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 			sc->pg_cons = sw_pg_cons;
 #endif
 
@@ -5980,7 +5979,7 @@ bce_rx_int_next_rx:
 
 			/* Recover our place. */
 			sw_rx_cons = sc->rx_cons;
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 			sw_pg_cons = sc->pg_cons;
 #endif
 		}
@@ -5991,7 +5990,7 @@ bce_rx_int_next_rx:
 	}
 
 	/* No new packets to process.  Refill the RX and page chains and exit. */
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	sc->pg_cons = sw_pg_cons;
 	bce_fill_pg_chain(sc);
 #endif
@@ -6003,7 +6002,7 @@ bce_rx_int_next_rx:
 		bus_dmamap_sync(sc->rx_bd_chain_tag,
 		    sc->rx_bd_chain_map[i], BUS_DMASYNC_PREWRITE);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	for (int i = 0; i < PG_PAGES; i++)
 		bus_dmamap_sync(sc->pg_bd_chain_tag,
 		    sc->pg_bd_chain_map[i], BUS_DMASYNC_PREWRITE);
@@ -6249,7 +6248,7 @@ bce_init_locked(struct bce_softc *sc)
 	 * Calculate and program the hardware Ethernet MTU
 	 * size. Be generous on the receive if we have room.
 	 */
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	if (ifp->if_mtu <= (sc->rx_bd_mbuf_data_len + sc->pg_bd_mbuf_alloc_size))
 		ether_mtu = sc->rx_bd_mbuf_data_len + sc->pg_bd_mbuf_alloc_size;
 #else
@@ -6281,7 +6280,7 @@ bce_init_locked(struct bce_softc *sc)
 	/* Program appropriate promiscuous/multicast filtering. */
 	bce_set_rx_mode(sc);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	/* Init page buffer descriptor chain. */
 	bce_init_pg_chain(sc);
 #endif
@@ -6794,7 +6793,7 @@ bce_ioctl(struct ifnet *ifp, u_long comm
 			BCE_LOCK(sc);
 			ifp->if_mtu = ifr->ifr_mtu;
 			ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 			/* No buffer allocation size changes are necessary. */
 #else
 			/* Recalculate our buffer allocation sizes. */
@@ -7495,7 +7494,7 @@ bce_tick(void *xsc)
 	bce_stats_update(sc);
 
 	/* Top off the receive and page chains. */
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	bce_fill_pg_chain(sc);
 #endif
 	bce_fill_rx_chain(sc);
@@ -7675,7 +7674,7 @@ bce_sysctl_dump_tx_chain(SYSCTL_HANDLER_
 }
 
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 /****************************************************************************/
 /* Provides a sysctl interface to allow dumping the page chain.             */
 /*                                                                          */
@@ -8248,7 +8247,7 @@ bce_add_sysctls(struct bce_softc *sc)
 		(void *)sc, 0,
 		bce_sysctl_dump_tx_chain, "I", "Dump tx_bd chain");
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	SYSCTL_ADD_PROC(ctx, children, OID_AUTO,
 		"dump_pg_chain", CTLTYPE_INT | CTLFLAG_RW,
 		(void *)sc, 0,
@@ -8543,7 +8542,7 @@ bce_dump_rx_mbuf_chain(struct bce_softc 
 }
 
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 /****************************************************************************/
 /* Prints out the mbufs in the mbuf page chain.                             */
 /*                                                                          */
@@ -8667,7 +8666,7 @@ bce_dump_rxbd(struct bce_softc *sc, int 
 }
 
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 /****************************************************************************/
 /* Prints out a rx_bd structure in the page chain.                          */
 /*                                                                          */
@@ -9154,7 +9153,7 @@ bce_dump_rx_chain(struct bce_softc *sc, 
 }
 
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 /****************************************************************************/
 /* Prints out the page chain.                                               */
 /*                                                                          */
@@ -9635,7 +9634,7 @@ bce_dump_driver_state(struct bce_softc *
 		"0x%08X:%08X - (sc->rx_bd_chain) rx_bd chain virtual address\n",
 		val_hi, val_lo);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	val_hi = BCE_ADDR_HI(sc->pg_bd_chain);
 	val_lo = BCE_ADDR_LO(sc->pg_bd_chain);
 	BCE_PRINTF(
@@ -9655,7 +9654,7 @@ bce_dump_driver_state(struct bce_softc *
 		"0x%08X:%08X - (sc->rx_mbuf_ptr) rx mbuf chain virtual address\n",
 		val_hi, val_lo);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	val_hi = BCE_ADDR_HI(sc->pg_mbuf_ptr);
 	val_lo = BCE_ADDR_LO(sc->pg_mbuf_ptr);
 	BCE_PRINTF(
@@ -9708,7 +9707,7 @@ bce_dump_driver_state(struct bce_softc *
 	BCE_PRINTF("         0x%08X - (sc->free_rx_bd) free rx_bd's\n",
 		sc->free_rx_bd);
 
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 	BCE_PRINTF("     0x%04X(0x%04X) - (sc->pg_prod) page producer index\n",
 		sc->pg_prod, (u16) PG_CHAIN_IDX(sc->pg_prod));
 
@@ -10218,7 +10217,7 @@ bce_breakpoint(struct bce_softc *sc)
 		bce_dump_tpat_state(sc, 0);
 		bce_dump_cp_state(sc, 0);
 		bce_dump_com_state(sc, 0);
-#ifdef BCE_USE_SPLIT_HEADER
+#ifdef ZERO_COPY_SOCKETS
 		bce_dump_pgbd(sc, 0, NULL);
 		bce_dump_pg_mbuf_chain(sc, 0, USABLE_PG_BD);
 		bce_dump_pg_chain(sc, 0, USABLE_PG_BD);

Modified: head/sys/dev/bce/if_bcefw.h
==============================================================================
--- head/sys/dev/bce/if_bcefw.h	Fri Feb 27 19:23:55 2009	(r189116)
+++ head/sys/dev/bce/if_bcefw.h	Fri Feb 27 19:25:06 2009	(r189117)
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2006-2008 Broadcom Corporation
+ * Copyright (c) 2006-2009 Broadcom Corporation
  *	David Christensen <davidch@broadcom.com>.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

Modified: head/sys/dev/bce/if_bcereg.h
==============================================================================
--- head/sys/dev/bce/if_bcereg.h	Fri Feb 27 19:23:55 2009	(r189116)
+++ head/sys/dev/bce/if_bcereg.h	Fri Feb 27 19:25:06 2009	(r189117)
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2006-2008 Broadcom Corporation
+ * Copyright (c) 2006-2009 Broadcom Corporation
  *	David Christensen <davidch@broadcom.com>.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -6206,6 +6206,7 @@ struct l2_fhdr {
 #define RX_PAGE(x) (((x) & ~USABLE_RX_BD_PER_PAGE) >> (BCM_PAGE_BITS - 4))
 #define RX_IDX(x) ((x) & USABLE_RX_BD_PER_PAGE)
 
+#ifdef ZERO_COPY_SOCKETS
 /*
  * To accomodate jumbo frames, the page chain should
  * be 4 times larger than the receive chain.
@@ -6226,6 +6227,8 @@ struct l2_fhdr {
 #define PG_PAGE(x) (((x) & ~USABLE_PG_BD_PER_PAGE) >> (BCM_PAGE_BITS - 4))
 #define PG_IDX(x) ((x) & USABLE_PG_BD_PER_PAGE)
 
+#endif /* ZERO_COPY_SOCKETS */
+
 /* Context size. */
 #define CTX_SHIFT                   7
 #define CTX_SIZE                    (1 << CTX_SHIFT)
@@ -6499,8 +6502,11 @@ struct bce_softc
 	u16					tx_prod;
 	u16					tx_cons;
 	u32					tx_prod_bseq;	/* Counts the bytes used.  */
+
+#ifdef ZERO_COPY_SOCKETS
 	u16					pg_prod;
 	u16					pg_cons;
+#endif
 
 	int					bce_link;
 	struct callout		bce_tick_callout;
@@ -6513,7 +6519,10 @@ struct bce_softc
 	int					rx_bd_mbuf_alloc_size;
 	int					rx_bd_mbuf_data_len;
 	int					rx_bd_mbuf_align_pad;
+
+#ifdef ZERO_COPY_SOCKETS
 	int					pg_bd_mbuf_alloc_size;
+#endif
 
 	/* Receive mode settings (i.e promiscuous, multicast, etc.). */
 	u32					rx_mode;
@@ -6533,11 +6542,13 @@ struct bce_softc
 	struct rx_bd		*rx_bd_chain[RX_PAGES];
 	bus_addr_t			rx_bd_chain_paddr[RX_PAGES];
 
+#ifdef ZERO_COPY_SOCKETS
 	/* H/W maintained page buffer descriptor chain structure. */
 	bus_dma_tag_t		pg_bd_chain_tag;
 	bus_dmamap_t		pg_bd_chain_map[PG_PAGES];
 	struct rx_bd		*pg_bd_chain[PG_PAGES];
 	bus_addr_t			pg_bd_chain_paddr[PG_PAGES];
+#endif
 
 	/* H/W maintained status block. */
 	bus_dma_tag_t		status_tag;
@@ -6567,7 +6578,10 @@ struct bce_softc
 	/* Bus tag for RX/TX mbufs. */
 	bus_dma_tag_t		rx_mbuf_tag;
 	bus_dma_tag_t		tx_mbuf_tag;
+
+#ifdef ZERO_COPY_SOCKETS
 	bus_dma_tag_t		pg_mbuf_tag;
+#endif
 
 	/* S/W maintained mbuf TX chain structure. */
 	bus_dmamap_t		tx_mbuf_map[TOTAL_TX_BD];
@@ -6577,17 +6591,22 @@ struct bce_softc
 	bus_dmamap_t		rx_mbuf_map[TOTAL_RX_BD];
 	struct mbuf			*rx_mbuf_ptr[TOTAL_RX_BD];
 
+#ifdef ZERO_COPY_SOCKETS
 	/* S/W maintained mbuf page chain structure. */
 	bus_dmamap_t		pg_mbuf_map[TOTAL_PG_BD];
 	struct mbuf			*pg_mbuf_ptr[TOTAL_PG_BD];
+#endif
 
 	/* Track the number of buffer descriptors in use. */
 	u16 free_rx_bd;
 	u16 max_rx_bd;
 	u16 used_tx_bd;
 	u16 max_tx_bd;
+
+#ifdef ZERO_COPY_SOCKETS
 	u16 free_pg_bd;
 	u16 max_pg_bd;
+#endif
 
 	/* Provides access to hardware statistics through sysctl. */
 	u64 stat_IfHCInOctets;
@@ -6661,7 +6680,10 @@ struct bce_softc
 	/* Track the number of enqueued mbufs. */
 	int	debug_tx_mbuf_alloc;
 	int debug_rx_mbuf_alloc;
+
+#ifdef ZERO_COPY_SOCKETS
 	int debug_pg_mbuf_alloc;
+#endif
 
 	/* Track how many and what type of interrupts are generated. */
 	u32 interrupts_generated;
@@ -6676,8 +6698,10 @@ struct bce_softc
 	u32	rx_low_watermark;			/* Lowest number of rx_bd's free. */
 	u32 rx_empty_count;				/* Number of times the RX chain was empty. */
 
+#ifdef ZERO_COPY_SOCKETS
 	u32	pg_low_watermark;			/* Lowest number of pages free. */
 	u32 pg_empty_count; 			/* Number of times the page chain was empty. */
+#endif
 
 	u32 tx_hi_watermark;			/* Greatest number of tx_bd's used. */
 	u32	tx_full_count;				/* Number of times the TX chain was full. */
@@ -6693,5 +6717,5 @@ struct bce_softc
 #endif
 };
 
-#endif /* #ifndef _BCE_H_DEFINED */
+#endif /* __BCEREG_H_DEFINED */
 



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