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ixgbe_netbsd.h revision 1.15 
      1 /* $NetBSD: ixgbe_netbsd.h,v 1.15 2022/01/25 01:56:22 msaitoh Exp $ */
      2 /*
      3  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Coyote Point Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _IXGBE_NETBSD_H
     32 #define _IXGBE_NETBSD_H
     33 
     34 #if 0 /* Enable this if you don't want to use TX multiqueue function */
     35 #define	IXGBE_LEGACY_TX	1
     36 #endif
     37 
     38 #define	ETHERCAP_VLAN_HWCSUM	0
     39 #define	MJUM9BYTES	(9 * 1024)
     40 #define	MJUM16BYTES	(16 * 1024)
     41 #define	MJUMPAGESIZE	PAGE_SIZE
     42 
     43 #define IFCAP_RXCSUM	\
     44 	(IFCAP_CSUM_IPv4_Rx|IFCAP_CSUM_TCPv4_Rx|IFCAP_CSUM_UDPv4_Rx|\
     45 	IFCAP_CSUM_TCPv6_Rx|IFCAP_CSUM_UDPv6_Rx)
     46 
     47 #define IFCAP_TXCSUM	\
     48 	(IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_UDPv4_Tx|\
     49 	IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_UDPv6_Tx)
     50 
     51 #define IFCAP_HWCSUM	(IFCAP_RXCSUM|IFCAP_TXCSUM)
     52 
     53 
     54 /* Helper macros for evcnt(9) .*/
     55 #ifdef __HAVE_ATOMIC64_LOADSTORE
     56 #define IXGBE_EVC_LOAD(evp)				\
     57 	atomic_load_relaxed(&((evp)->ev_count))
     58 #define IXGBE_EVC_STORE(evp, val)			\
     59 	atomic_store_relaxed(&((evp)->ev_count), (val))
     60 #define IXGBE_EVC_ADD(evp, val)					\
     61 	atomic_store_relaxed(&((evp)->ev_count),		\
     62 	    atomic_load_relaxed(&((evp)->ev_count)) + (val))
     63 #else
     64 #define IXGBE_EVC_LOAD(evp)		((ev)->ev_count))
     65 #define IXGBE_EVC_STORE(evp, val)	((ev)->ev_count = (val))
     66 #define IXGBE_EVC_ADD(evp, val)		((ev)->ev_count += (val))
     67 #endif
     68 
     69 #define IXGBE_EVC_REGADD(hw, stats, regname, evname)			\
     70 	IXGBE_EVC_ADD(&(stats)->evname, IXGBE_READ_REG((hw), (regname)))
     71 
     72 /*
     73  * Copy a register value to variable "evname" for later use.
     74  * "evname" is also the name of the evcnt.
     75  */
     76 #define IXGBE_EVC_REGADD2(hw, stats, regname, evname)		\
     77 	do {							\
     78 		(evname) = IXGBE_READ_REG((hw), (regname));	\
     79 		IXGBE_EVC_ADD(&(stats)->evname, (evname));	\
     80 	} while (/*CONSTCOND*/0)
     81 
     82 struct ixgbe_dma_tag {
     83 	bus_dma_tag_t	dt_dmat;
     84 	bus_size_t	dt_alignment;
     85 	bus_size_t	dt_boundary;
     86 	bus_size_t	dt_maxsize;
     87 	int		dt_nsegments;
     88 	bus_size_t	dt_maxsegsize;
     89 	int		dt_flags;
     90 };
     91 
     92 typedef struct ixgbe_dma_tag ixgbe_dma_tag_t;
     93 
     94 int ixgbe_dma_tag_create(bus_dma_tag_t, bus_size_t, bus_size_t, bus_size_t,
     95     int, bus_size_t, int, ixgbe_dma_tag_t **);
     96 void ixgbe_dma_tag_destroy(ixgbe_dma_tag_t *);
     97 int ixgbe_dmamap_create(ixgbe_dma_tag_t *, int, bus_dmamap_t *);
     98 void ixgbe_dmamap_destroy(ixgbe_dma_tag_t *, bus_dmamap_t);
     99 void ixgbe_dmamap_sync(ixgbe_dma_tag_t *, bus_dmamap_t, int);
    100 void ixgbe_dmamap_unload(ixgbe_dma_tag_t *, bus_dmamap_t);
    101 
    102 struct mbuf *ixgbe_getcl(void);
    103 void ixgbe_pci_enable_busmaster(pci_chipset_tag_t, pcitag_t);
    104 
    105 u_int atomic_load_acq_uint(volatile u_int *);
    106 
    107 #endif /* _IXGBE_NETBSD_H */
    108