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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /****************************************************************************** * * (C)Copyright 1998,1999 SysKonnect, * a business unit of Schneider & Koch & Co. Datensysteme GmbH. * * The information in this file is provided "AS IS" without warranty. * ******************************************************************************/ /* * Operating system-dependent definitions that have to be defined * before any other header files are included. */ // HWM (HardWare Module) Definitions // ----------------------- #include <asm/byteorder.h> #ifdef __LITTLE_ENDIAN #define LITTLE_ENDIAN #else #define BIG_ENDIAN #endif // this is set in the makefile // #define PCI /* only PCI adapters supported by this driver */ // #define MEM_MAPPED_IO /* use memory mapped I/O */ #define USE_CAN_ADDR /* DA and SA in MAC header are canonical. */ #define MB_OUTSIDE_SMC /* SMT Mbufs outside of smc struct. */ // ----------------------- // SMT Definitions // ----------------------- #define SYNC /* allow synchronous frames */ // #define SBA /* Synchronous Bandwidth Allocator support */ /* not available as free source */ #define ESS /* SBA End Station Support */ #define SMT_PANIC(smc, nr, msg) printk(KERN_INFO "SMT PANIC: code: %d, msg: %s\n",nr,msg) #ifdef DEBUG #define printf(s,args...) printk(KERN_INFO s, ## args) #endif // #define HW_PTR u_long // ----------------------- // HWM and OS-specific buffer definitions // ----------------------- // default number of receive buffers. #define NUM_RECEIVE_BUFFERS 10 // default number of transmit buffers. #define NUM_TRANSMIT_BUFFERS 10 // Number of SMT buffers (Mbufs). #define NUM_SMT_BUF 4 // Number of TXDs for asynchronous transmit queue. #define HWM_ASYNC_TXD_COUNT (NUM_TRANSMIT_BUFFERS + NUM_SMT_BUF) // Number of TXDs for synchronous transmit queue. #define HWM_SYNC_TXD_COUNT HWM_ASYNC_TXD_COUNT // Number of RXDs for receive queue #1. // Note: Workaround for ASIC Errata #7: One extra RXD is required. #if (NUM_RECEIVE_BUFFERS > 100) #define SMT_R1_RXD_COUNT (1 + 100) #else #define SMT_R1_RXD_COUNT (1 + NUM_RECEIVE_BUFFERS) #endif // Number of RXDs for receive queue #2. #define SMT_R2_RXD_COUNT 0 // Not used. // ----------------------- /* * OS-specific part of the transmit/receive descriptor structure (TXD/RXD). * * Note: The size of these structures must follow this rule: * * sizeof(struct) + 2*sizeof(void*) == n * 16, n >= 1 * * We use the dma_addr fields under Linux to keep track of the * DMA address of the packet data, for later pci_unmap_single. -DaveM */ struct s_txd_os { // os-specific part of transmit descriptor struct sk_buff *skb; dma_addr_t dma_addr; } ; struct s_rxd_os { // os-specific part of receive descriptor struct sk_buff *skb; dma_addr_t dma_addr; } ; /* * So we do not need to make too many modifications to the generic driver * parts, we take advantage of the AIX byte swapping macro interface. */ #define AIX_REVERSE(x) ((u32)le32_to_cpu((u32)(x))) #define MDR_REVERSE(x) ((u32)le32_to_cpu((u32)(x))) |