fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-m68knommu / m68360_enet.h
blobc36f4d0592032c6e44097f2bfa30bd66e0376040
1 /***********************************
2 * $Id: m68360_enet.h,v 1.1 2002/03/02 15:01:07 gerg Exp $
3 ***********************************
5 ***************************************
6 * Definitions for the ETHERNET controllers
7 ***************************************
8 */
10 #ifndef __ETHER_H
11 #define __ETHER_H
13 #include "quicc_simple.h"
16 * transmit BD's
18 #define T_R 0x8000 /* ready bit */
19 #define E_T_PAD 0x4000 /* short frame padding */
20 #define T_W 0x2000 /* wrap bit */
21 #define T_I 0x1000 /* interrupt on completion */
22 #define T_L 0x0800 /* last in frame */
23 #define T_TC 0x0400 /* transmit CRC (when last) */
25 #define T_DEF 0x0200 /* defer indication */
26 #define T_HB 0x0100 /* heartbeat */
27 #define T_LC 0x0080 /* error: late collision */
28 #define T_RL 0x0040 /* error: retransmission limit */
29 #define T_RC 0x003c /* retry count */
30 #define T_UN 0x0002 /* error: underrun */
31 #define T_CSL 0x0001 /* carier sense lost */
32 #define T_ERROR (T_HB | T_LC | T_RL | T_UN | T_CSL)
35 * receive BD's
37 #define R_E 0x8000 /* buffer empty */
38 #define R_W 0x2000 /* wrap bit */
39 #define R_I 0x1000 /* interrupt on reception */
40 #define R_L 0x0800 /* last BD in frame */
41 #define R_F 0x0400 /* first BD in frame */
42 #define R_M 0x0100 /* received because of promisc. mode */
44 #define R_LG 0x0020 /* frame too long */
45 #define R_NO 0x0010 /* non-octet aligned */
46 #define R_SH 0x0008 /* short frame */
47 #define R_CR 0x0004 /* receive CRC error */
48 #define R_OV 0x0002 /* receive overrun */
49 #define R_CL 0x0001 /* collision */
50 #define ETHER_R_ERROR (R_LG | R_NO | R_SH | R_CR | R_OV | R_CL)
54 * ethernet interrupts
56 #define ETHERNET_GRA 0x0080 /* graceful stop complete */
57 #define ETHERNET_TXE 0x0010 /* transmit error */
58 #define ETHERNET_RXF 0x0008 /* receive frame */
59 #define ETHERNET_BSY 0x0004 /* busy condition */
60 #define ETHERNET_TXB 0x0002 /* transmit buffer */
61 #define ETHERNET_RXB 0x0001 /* receive buffer */
64 * ethernet protocol specific mode register (PSMR)
66 #define ETHER_HBC 0x8000 /* heartbeat checking */
67 #define ETHER_FC 0x4000 /* force collision */
68 #define ETHER_RSH 0x2000 /* receive short frames */
69 #define ETHER_IAM 0x1000 /* individual address mode */
70 #define ETHER_CRC_32 (0x2<<10) /* Enable CRC */
71 #define ETHER_PRO 0x0200 /* promiscuous */
72 #define ETHER_BRO 0x0100 /* broadcast address */
73 #define ETHER_SBT 0x0080 /* stop backoff timer */
74 #define ETHER_LPB 0x0040 /* Loop Back Mode */
75 #define ETHER_SIP 0x0020 /* sample input pins */
76 #define ETHER_LCW 0x0010 /* late collision window */
77 #define ETHER_NIB_13 (0x0<<1) /* # of ignored bits 13 */
78 #define ETHER_NIB_14 (0x1<<1) /* # of ignored bits 14 */
79 #define ETHER_NIB_15 (0x2<<1) /* # of ignored bits 15 */
80 #define ETHER_NIB_16 (0x3<<1) /* # of ignored bits 16 */
81 #define ETHER_NIB_21 (0x4<<1) /* # of ignored bits 21 */
82 #define ETHER_NIB_22 (0x5<<1) /* # of ignored bits 22 */
83 #define ETHER_NIB_23 (0x6<<1) /* # of ignored bits 23 */
84 #define ETHER_NIB_24 (0x7<<1) /* # of ignored bits 24 */
87 * ethernet specific parameters
89 #define CRC_WORD 4 /* Length in bytes of CRC */
90 #define C_PRES 0xffffffff /* preform 32 bit CRC */
91 #define C_MASK 0xdebb20e3 /* comply with 32 bit CRC */
92 #define CRCEC 0x00000000
93 #define ALEC 0x00000000
94 #define DISFC 0x00000000
95 #define PADS 0x00000000
96 #define RET_LIM 0x000f /* retry 15 times to send a frame before interrupt */
97 #define ETH_MFLR 0x05ee /* 1518 max frame size */
98 #define MINFLR 0x0040 /* Minimum frame size 64 */
99 #define MAXD1 0x05ee /* Max dma count 1518 */
100 #define MAXD2 0x05ee
101 #define GADDR1 0x00000000 /* Clear group address */
102 #define GADDR2 0x00000000
103 #define GADDR3 0x00000000
104 #define GADDR4 0x00000000
105 #define P_PER 0x00000000 /*not used */
106 #define IADDR1 0x00000000 /* Individual hash table not used */
107 #define IADDR2 0x00000000
108 #define IADDR3 0x00000000
109 #define IADDR4 0x00000000
110 #define TADDR_H 0x00000000 /* clear this regs */
111 #define TADDR_M 0x00000000
112 #define TADDR_L 0x00000000
114 /* SCC Parameter Ram */
115 #define RFCR 0x18 /* normal operation */
116 #define TFCR 0x18 /* normal operation */
117 #define E_MRBLR 1518 /* Max ethernet frame length */
120 * ethernet specific structure
122 typedef union {
123 unsigned char b[6];
124 struct {
125 unsigned short high;
126 unsigned short middl;
127 unsigned short low;
128 } w;
129 } ETHER_ADDR;
131 typedef struct {
132 int max_frame_length;
133 int promisc_mode;
134 int reject_broadcast;
135 ETHER_ADDR phys_adr;
136 } ETHER_SPECIFIC;
138 typedef struct {
139 ETHER_ADDR dst_addr;
140 ETHER_ADDR src_addr;
141 unsigned short type_or_len;
142 unsigned char data[1];
143 } ETHER_FRAME;
145 #define MAX_DATALEN 1500
146 typedef struct {
147 ETHER_ADDR dst_addr;
148 ETHER_ADDR src_addr;
149 unsigned short type_or_len;
150 unsigned char data[MAX_DATALEN];
151 unsigned char fcs[CRC_WORD];
152 } ETHER_MAX_FRAME;
156 * Internal ethernet function prototypes
158 void ether_interrupt(int scc_num);
159 /* mleslie: debug */
160 /* static void ethernet_rx_internal(int scc_num); */
161 /* static void ethernet_tx_internal(int scc_num); */
164 * User callable routines prototypes (ethernet specific)
166 void ethernet_init(int scc_number,
167 alloc_routine *alloc_buffer,
168 free_routine *free_buffer,
169 store_rx_buffer_routine *store_rx_buffer,
170 handle_tx_error_routine *handle_tx_error,
171 handle_rx_error_routine *handle_rx_error,
172 handle_lost_error_routine *handle_lost_error,
173 ETHER_SPECIFIC *ether_spec);
174 int ethernet_tx(int scc_number, void *buf, int length);
176 #endif