Add the actual source too :)

Approved by:	re

1 files changed, 348 insertions, 0 deletions

diff --git a/sys/dev/ixgbe/ixgbe.h b/sys/dev/ixgbe/ixgbe.h
new file mode 100644
index 0000000..c75c167
--- /dev/null
+++ b/sys/dev/ixgbe/ixgbe.h
@@ -0,0 +1,348 @@
+/**************************************************************************
+
+Copyright (c) 2001-2007, Intel Corporation
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+ 3. Neither the name of the Intel Corporation nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
+/* $FreeBSD$ */
+
+#ifndef _IXGBE_H_
+#define _IXGBE_H_
+
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/sockio.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/bpf.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+
+#include <net/bpf.h>
+#include <net/if_types.h>
+#include <net/if_vlan_var.h>
+
+#include <netinet/in_systm.h>
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/tcp.h>
+#include <netinet/udp.h>
+
+#include <machine/in_cksum.h>
+
+#include <sys/bus.h>
+#include <machine/bus.h>
+#include <sys/rman.h>
+#include <machine/resource.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <machine/clock.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <sys/proc.h>
+#include <sys/sysctl.h>
+#include <sys/endian.h>
+#include <sys/taskqueue.h>
+
+#include "ixgbe_api.h"
+
+/* Tunables */
+
+/*
+** The number of queues: right now significant performance
+** seems to be gained by using muliple RX queues. The
+** infrastructure for multiple TX is there but its not
+** completely working, dont set greater than 1 for now.
+** OTHER is the vector used for link changes, it also 
+** should only be set to 1.
+*/
+#define IXGBE_TX_QUEUES 1
+#define IXGBE_RX_QUEUES 8
+#define IXGBE_OTHER	1
+
+/*
+ * TxDescriptors Valid Range: 64-4096 Default Value: 2048 This value is the
+ * number of transmit descriptors allocated by the driver. Increasing this
+ * value allows the driver to queue more transmits. Each descriptor is 16
+ * bytes.
+ */
+#define DEFAULT_TXD	2048
+#define MAX_TXD		4096
+#define MIN_TXD		64
+
+/*
+ * RxDescriptors Valid Range: 64-4096 Default Value: 2048 This value is the
+ * number of receive descriptors allocated by the driver. Increasing this
+ * value allows the driver to buffer more incoming packets. Each descriptor
+ * is 16 bytes.  A receive buffer is also allocated for each descriptor. The
+ * maximum MTU size is 16110.
+ * 
+ */
+#define DEFAULT_RXD	2048
+#define MAX_RXD		4096
+#define MIN_RXD		64
+
+/*
+ * This parameter controls the maximum no of times the driver will loop in
+ * the isr. Minimum Value = 1
+ */
+#define MAX_INTR	10
+
+/*
+ * This parameter controls the duration of transmit watchdog timer.
+ */
+#define IXGBE_TX_TIMEOUT                   5	/* set to 5 seconds */
+
+/*
+ * This parameters control when the driver calls the routine to reclaim
+ * transmit descriptors.
+ */
+#define IXGBE_TX_CLEANUP_THRESHOLD	(adapter->num_tx_desc / 8)
+#define IXGBE_TX_OP_THRESHOLD		(adapter->num_tx_desc / 32)
+
+#define IXGBE_MAX_FRAME_SIZE	0x3F00
+#define PERFORMANCE_MTU		9000	/* Best thruput results */
+
+/*
+** This controls the size mbuf pool used, it
+** may ultimately be automatic, but for now its
+** a compile time option. 
+**	- use MCLBYTES for legacy size
+*/
+#define IXGBE_RXBUF		MJUMPAGESIZE
+
+/* Defines for printing debug information */
+#define DEBUG_INIT  0
+#define DEBUG_IOCTL 0
+#define DEBUG_HW    0
+
+#define INIT_DEBUGOUT(S)            if (DEBUG_INIT)  printf(S "\n")
+#define INIT_DEBUGOUT1(S, A)        if (DEBUG_INIT)  printf(S "\n", A)
+#define INIT_DEBUGOUT2(S, A, B)     if (DEBUG_INIT)  printf(S "\n", A, B)
+#define IOCTL_DEBUGOUT(S)           if (DEBUG_IOCTL) printf(S "\n")
+#define IOCTL_DEBUGOUT1(S, A)       if (DEBUG_IOCTL) printf(S "\n", A)
+#define IOCTL_DEBUGOUT2(S, A, B)    if (DEBUG_IOCTL) printf(S "\n", A, B)
+#define HW_DEBUGOUT(S)              if (DEBUG_HW) printf(S "\n")
+#define HW_DEBUGOUT1(S, A)          if (DEBUG_HW) printf(S "\n", A)
+#define HW_DEBUGOUT2(S, A, B)       if (DEBUG_HW) printf(S "\n", A, B)
+
+#define MAX_NUM_MULTICAST_ADDRESSES     128
+#define IXGBE_MAX_SCATTER		100
+#define	IXGBE_MMBA			0x0010
+#define IXGBE_TSO_SIZE			65535
+#define IXGBE_TX_BUFFER_SIZE		((u32) 1514)
+#define IXGBE_RX_HDR_SIZE		((u32) 256)
+#define CSUM_OFFLOAD			7	/* Bits in csum flags */
+
+/* The number of MSIX messages the 82598 supports */
+#define IXGBE_MSGS			18
+
+/*
+ * Interrupt Moderation parameters 
+ * 	for now we hardcode, later
+ *	it would be nice to do dynamic
+ */
+#define DEFAULT_ITR	8000	
+#define LINK_ITR	1950	
+
+/*
+ * ******************************************************************************
+ * vendor_info_array
+ * 
+ * This array contains the list of Subvendor/Subdevice IDs on which the driver
+ * should load.
+ * 
+*****************************************************************************
+ */
+typedef struct _ixgbe_vendor_info_t {
+	unsigned int    vendor_id;
+	unsigned int    device_id;
+	unsigned int    subvendor_id;
+	unsigned int    subdevice_id;
+	unsigned int    index;
+}               ixgbe_vendor_info_t;
+
+
+struct ixgbe_tx_buf {
+	int		next_eop;
+	struct mbuf	*m_head;
+	bus_dmamap_t	map;
+};
+
+struct ixgbe_rx_buf {
+	struct mbuf	*m_head;
+	boolean_t	bigbuf;
+	/* one small and one large map */
+	bus_dmamap_t	map[2];
+};
+
+/*
+ * Bus dma allocation structure used by ixgbe_dma_malloc and ixgbe_dma_free.
+ */
+struct ixgbe_dma_alloc {
+	bus_addr_t		dma_paddr;
+	caddr_t			dma_vaddr;
+	bus_dma_tag_t		dma_tag;
+	bus_dmamap_t		dma_map;
+	bus_dma_segment_t	dma_seg;
+	bus_size_t		dma_size;
+	int			dma_nseg;
+};
+
+/*
+ * The transmit ring, one per tx queue
+ */
+struct tx_ring {
+        struct adapter		*adapter;
+	u32			me;
+	struct mtx		mtx;
+	union ixgbe_adv_tx_desc	*tx_base;
+	struct ixgbe_dma_alloc	txdma;
+	uint32_t		next_avail_tx_desc;
+	uint32_t		next_tx_to_clean;
+	struct ixgbe_tx_buf	*tx_buffers;
+	volatile uint16_t	tx_avail;
+	uint32_t		txd_cmd;
+	bus_dma_tag_t		txtag;
+};
+
+
+/*
+ * The Receive ring, one per rx queue
+ */
+struct rx_ring {
+        struct adapter			*adapter;
+	u32				me;
+	struct mtx			mtx;
+	u32				payload;
+	union 	ixgbe_adv_rx_desc	*rx_base;
+	struct ixgbe_dma_alloc		rxdma;
+        unsigned int			last_cleaned;
+        unsigned int			next_to_check;
+	struct ixgbe_rx_buf		*rx_buffers;
+	bus_dma_tag_t			rxtag[2];
+	bus_dmamap_t			spare_map[2];
+	struct mbuf			*fmp;
+	struct mbuf			*lmp;
+	/* Soft stats */
+	u64				packet_count;
+	u64 				byte_count;
+};
+
+/* Our adapter structure */
+struct adapter {
+	struct ifnet	*ifp;
+	struct ixgbe_hw	hw;
+
+	/* FreeBSD operating-system-specific structures */
+	struct ixgbe_osdep	osdep;
+
+	struct device	*dev;
+	struct resource	*res_memory;
+	struct resource	*res_msix;
+
+	/*
+	 * Interrupt resources:
+	 *  Oplin has 20 MSIX messages
+	 *  so allocate that for now.
+	 */
+	void		*tag[IXGBE_MSGS];
+	struct resource *res[IXGBE_MSGS];
+	int		rid[IXGBE_MSGS];
+
+	struct ifmedia	media;
+	struct callout	timer;
+	int		watchdog_timer;
+	int		msix;
+	int		if_flags;
+	struct mtx	mtx;
+	
+	/* Info about the board itself */
+	uint32_t       part_num;
+	boolean_t      link_active;
+	uint16_t       max_frame_size;
+	uint16_t       link_duplex;
+	uint32_t       tx_int_delay;
+	uint32_t       tx_abs_int_delay;
+	uint32_t       rx_int_delay;
+	uint32_t       rx_abs_int_delay;
+
+	/* Indicates the cluster size to use */
+	boolean_t	bigbufs;
+
+	/*
+	 * Transmit rings:
+	 *	Allocated at run time, an array of rings.
+	 */
+	struct tx_ring	*tx_rings;
+	int		num_tx_desc;
+	int		num_tx_queues;
+
+	/*
+	 * Receive rings:
+	 *	Allocated at run time, an array of rings.
+	 */
+	struct rx_ring	*rx_rings;
+	int		num_rx_desc;
+	int		num_rx_queues;
+	uint32_t	rx_process_limit;
+
+	/* Misc stats maintained by the driver */
+	unsigned long   dropped_pkts;
+	unsigned long   mbuf_alloc_failed;
+	unsigned long   mbuf_cluster_failed;
+	unsigned long   no_tx_desc_avail1;
+	unsigned long   no_tx_desc_avail2;
+	unsigned long   no_tx_map_avail;
+	unsigned long   no_tx_dma_setup;
+	unsigned long   watchdog_events;
+	unsigned long   tso_tx;
+
+	struct ixgbe_hw_stats stats;
+};
+
+#define IXGBE_LOCK_INIT(_sc, _name) \
+	mtx_init(&(_sc)->mtx, _name, MTX_NETWORK_LOCK, MTX_DEF)
+#define IXGBE_LOCK_DESTROY(_sc)	mtx_destroy(&(_sc)->mtx)
+#define IXGBE_LOCK(_sc)		mtx_lock(&(_sc)->mtx)
+#define IXGBE_UNLOCK(_sc)	mtx_unlock(&(_sc)->mtx)
+#define IXGBE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->mtx, MA_OWNED)
+
+#endif /* _IXGBE_H_ */