1 /******************************************************************************
4 * Project: Gigabit Ethernet Adapters, ADDR-Modul
5 * Version: $Revision: 1.29 $
6 * Date: $Date: 2003/05/13 16:57:24 $
7 * Purpose: Header file for Address Management (MC, UC, Prom).
9 ******************************************************************************/
11 /******************************************************************************
13 * (C)Copyright 1998-2002 SysKonnect GmbH.
14 * (C)Copyright 2002-2003 Marvell.
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
21 * The information in this file is provided "AS IS" without warranty.
23 ******************************************************************************/
25 /******************************************************************************
29 * This module is intended to manage multicast addresses and promiscuous mode
30 * on GEnesis adapters.
32 * Include File Hierarchy:
42 ******************************************************************************/
44 #ifndef __INC_SKADDR_H
45 #define __INC_SKADDR_H
49 #endif /* cplusplus */
51 /* defines ********************************************************************/
53 #define SK_MAC_ADDR_LEN 6 /* Length of MAC address. */
54 #define SK_MAX_ADDRS 14 /* #Addrs for exact match. */
56 /* ----- Common return values ----- */
58 #define SK_ADDR_SUCCESS 0 /* Function returned successfully. */
59 #define SK_ADDR_ILLEGAL_PORT 100 /* Port number too high. */
60 #define SK_ADDR_TOO_EARLY 101 /* Function called too early. */
62 /* ----- Clear/Add flag bits ----- */
64 #define SK_ADDR_PERMANENT 1 /* RLMT Address */
66 /* ----- Additional Clear flag bits ----- */
68 #define SK_MC_SW_ONLY 2 /* Do not update HW when clearing. */
70 /* ----- Override flag bits ----- */
72 #define SK_ADDR_LOGICAL_ADDRESS 0
73 #define SK_ADDR_VIRTUAL_ADDRESS (SK_ADDR_LOGICAL_ADDRESS) /* old */
74 #define SK_ADDR_PHYSICAL_ADDRESS 1
75 #define SK_ADDR_CLEAR_LOGICAL 2
76 #define SK_ADDR_SET_LOGICAL 4
78 /* ----- Override return values ----- */
80 #define SK_ADDR_OVERRIDE_SUCCESS (SK_ADDR_SUCCESS)
81 #define SK_ADDR_DUPLICATE_ADDRESS 1
82 #define SK_ADDR_MULTICAST_ADDRESS 2
84 /* ----- Partitioning of excact match table ----- */
86 #define SK_ADDR_EXACT_MATCHES 16 /* #Exact match entries. */
88 #define SK_ADDR_FIRST_MATCH_RLMT 1
89 #define SK_ADDR_LAST_MATCH_RLMT 2
90 #define SK_ADDR_FIRST_MATCH_DRV 3
91 #define SK_ADDR_LAST_MATCH_DRV (SK_ADDR_EXACT_MATCHES - 1)
93 /* ----- SkAddrMcAdd/SkAddrMcUpdate return values ----- */
95 #define SK_MC_FILTERING_EXACT 0 /* Exact filtering. */
96 #define SK_MC_FILTERING_INEXACT 1 /* Inexact filtering. */
98 /* ----- Additional SkAddrMcAdd return values ----- */
100 #define SK_MC_ILLEGAL_ADDRESS 2 /* Illegal address. */
101 #define SK_MC_ILLEGAL_PORT 3 /* Illegal port (not the active one). */
102 #define SK_MC_RLMT_OVERFLOW 4 /* Too many RLMT mc addresses. */
104 /* Promiscuous mode bits ----- */
106 #define SK_PROM_MODE_NONE 0 /* Normal receive. */
107 #define SK_PROM_MODE_LLC 1 /* Receive all LLC frames. */
108 #define SK_PROM_MODE_ALL_MC 2 /* Receive all multicast frames. */
109 /* #define SK_PROM_MODE_NON_LLC 4 */ /* Receive all non-LLC frames. */
114 #ifndef SK_ADDR_EQUAL
116 * "&" instead of "&&" allows better optimization on IA-64.
117 * The replacement is safe here, as all bytes exist.
119 #ifndef SK_ADDR_DWORD_COMPARE
120 #define SK_ADDR_EQUAL(A1,A2) ( \
121 (((SK_U8 *)(A1))[5] == ((SK_U8 *)(A2))[5]) & \
122 (((SK_U8 *)(A1))[4] == ((SK_U8 *)(A2))[4]) & \
123 (((SK_U8 *)(A1))[3] == ((SK_U8 *)(A2))[3]) & \
124 (((SK_U8 *)(A1))[2] == ((SK_U8 *)(A2))[2]) & \
125 (((SK_U8 *)(A1))[1] == ((SK_U8 *)(A2))[1]) & \
126 (((SK_U8 *)(A1))[0] == ((SK_U8 *)(A2))[0]))
127 #else /* SK_ADDR_DWORD_COMPARE */
128 #define SK_ADDR_EQUAL(A1,A2) ( \
129 (*(SK_U32 *)&(((SK_U8 *)(A1))[2]) == *(SK_U32 *)&(((SK_U8 *)(A2))[2])) & \
130 (*(SK_U32 *)&(((SK_U8 *)(A1))[0]) == *(SK_U32 *)&(((SK_U8 *)(A2))[0])))
131 #endif /* SK_ADDR_DWORD_COMPARE */
132 #endif /* SK_ADDR_EQUAL */
135 #ifndef SK_ADDR_EQUAL
136 #ifndef SK_ADDR_DWORD_COMPARE
137 #define SK_ADDR_EQUAL(A1,A2) ( \
138 (((SK_U8 SK_FAR *)(A1))[5] == ((SK_U8 SK_FAR *)(A2))[5]) & \
139 (((SK_U8 SK_FAR *)(A1))[4] == ((SK_U8 SK_FAR *)(A2))[4]) & \
140 (((SK_U8 SK_FAR *)(A1))[3] == ((SK_U8 SK_FAR *)(A2))[3]) & \
141 (((SK_U8 SK_FAR *)(A1))[2] == ((SK_U8 SK_FAR *)(A2))[2]) & \
142 (((SK_U8 SK_FAR *)(A1))[1] == ((SK_U8 SK_FAR *)(A2))[1]) & \
143 (((SK_U8 SK_FAR *)(A1))[0] == ((SK_U8 SK_FAR *)(A2))[0]))
144 #else /* SK_ADDR_DWORD_COMPARE */
145 #define SK_ADDR_EQUAL(A1,A2) ( \
146 (*(SK_U16 SK_FAR *)&(((SK_U8 SK_FAR *)(A1))[4]) == \
147 *(SK_U16 SK_FAR *)&(((SK_U8 SK_FAR *)(A2))[4])) && \
148 (*(SK_U32 SK_FAR *)&(((SK_U8 SK_FAR *)(A1))[0]) == \
149 *(SK_U32 SK_FAR *)&(((SK_U8 SK_FAR *)(A2))[0])))
150 #endif /* SK_ADDR_DWORD_COMPARE */
151 #endif /* SK_ADDR_EQUAL */
153 /* typedefs *******************************************************************/
155 typedef struct s_MacAddr {
156 SK_U8 a[SK_MAC_ADDR_LEN];
160 /* SK_FILTER is used to ensure alignment of the filter. */
161 typedef union s_InexactFilter {
163 SK_U64 Val; /* Dummy entry for alignment only. */
167 typedef struct s_AddrNet SK_ADDR_NET;
170 typedef struct s_AddrPort {
172 /* ----- Public part (read-only) ----- */
174 SK_MAC_ADDR CurrentMacAddress; /* Current physical MAC Address. */
175 SK_MAC_ADDR PermanentMacAddress; /* Permanent physical MAC Address. */
176 int PromMode; /* Promiscuous Mode. */
178 /* ----- Private part ----- */
180 SK_MAC_ADDR PreviousMacAddress; /* Prev. phys. MAC Address. */
181 SK_BOOL CurrentMacAddressSet; /* CurrentMacAddress is set. */
184 SK_U32 FirstExactMatchRlmt;
185 SK_U32 NextExactMatchRlmt;
186 SK_U32 FirstExactMatchDrv;
187 SK_U32 NextExactMatchDrv;
188 SK_MAC_ADDR Exact[SK_ADDR_EXACT_MATCHES];
189 SK_FILTER64 InexactFilter; /* For 64-bit hash register. */
190 SK_FILTER64 InexactRlmtFilter; /* For 64-bit hash register. */
191 SK_FILTER64 InexactDrvFilter; /* For 64-bit hash register. */
196 /* ----- Public part (read-only) ----- */
198 SK_MAC_ADDR CurrentMacAddress; /* Logical MAC Address. */
199 SK_MAC_ADDR PermanentMacAddress; /* Logical MAC Address. */
201 /* ----- Private part ----- */
203 SK_U32 ActivePort; /* View of module ADDR. */
204 SK_BOOL CurrentMacAddressSet; /* CurrentMacAddress is set. */
210 typedef struct s_Addr {
212 /* ----- Public part (read-only) ----- */
214 SK_ADDR_NET Net[SK_MAX_NETS];
215 SK_ADDR_PORT Port[SK_MAX_MACS];
217 /* ----- Private part ----- */
220 /* function prototypes ********************************************************/
224 /* Functions provided by SkAddr */
226 /* ANSI/C++ compliant function prototypes */
228 extern int SkAddrInit(
233 extern int SkAddrMcClear(
239 extern int SkAddrMcAdd(
246 extern int SkAddrMcUpdate(
251 extern int SkAddrOverride(
255 SK_MAC_ADDR SK_FAR *pNewAddr,
258 extern int SkAddrPromiscuousChange(
265 extern int SkAddrSwap(
268 SK_U32 FromPortNumber,
269 SK_U32 ToPortNumber);
272 #else /* defined(SK_KR_PROTO)) */
274 /* Non-ANSI/C++ compliant function prototypes */
276 #error KR-style prototypes are not yet provided.
278 #endif /* defined(SK_KR_PROTO)) */
283 #endif /* __cplusplus */
285 #endif /* __INC_SKADDR_H */