Stephen Hemminger | 5ad887f | 2007-09-15 19:35:14 -0400 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Name: skrlmt.c |
| 4 | * Project: GEnesis, PCI Gigabit Ethernet Adapter |
| 5 | * Version: $Revision: 1.69 $ |
| 6 | * Date: $Date: 2003/04/15 09:39:22 $ |
| 7 | * Purpose: Manage links on SK-NET Adapters, esp. redundant ones. |
| 8 | * |
| 9 | ******************************************************************************/ |
| 10 | |
| 11 | /****************************************************************************** |
| 12 | * |
| 13 | * (C)Copyright 1998-2002 SysKonnect GmbH. |
| 14 | * (C)Copyright 2002-2003 Marvell. |
| 15 | * |
| 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. |
| 20 | * |
| 21 | * The information in this file is provided "AS IS" without warranty. |
| 22 | * |
| 23 | ******************************************************************************/ |
| 24 | |
| 25 | /****************************************************************************** |
| 26 | * |
| 27 | * Description: |
| 28 | * |
| 29 | * This module contains code for Link ManagemenT (LMT) of SK-NET Adapters. |
| 30 | * It is mainly intended for adapters with more than one link. |
| 31 | * For such adapters, this module realizes Redundant Link ManagemenT (RLMT). |
| 32 | * |
| 33 | * Include File Hierarchy: |
| 34 | * |
| 35 | * "skdrv1st.h" |
| 36 | * "skdrv2nd.h" |
| 37 | * |
| 38 | ******************************************************************************/ |
| 39 | |
| 40 | #ifndef lint |
| 41 | static const char SysKonnectFileId[] = |
| 42 | "@(#) $Id: skrlmt.c,v 1.69 2003/04/15 09:39:22 tschilli Exp $ (C) Marvell."; |
| 43 | #endif /* !defined(lint) */ |
| 44 | |
| 45 | #define __SKRLMT_C |
| 46 | |
| 47 | #ifdef __cplusplus |
| 48 | extern "C" { |
| 49 | #endif /* cplusplus */ |
| 50 | |
| 51 | #include "h/skdrv1st.h" |
| 52 | #include "h/skdrv2nd.h" |
| 53 | |
| 54 | /* defines ********************************************************************/ |
| 55 | |
| 56 | #ifndef SK_HWAC_LINK_LED |
| 57 | #define SK_HWAC_LINK_LED(a,b,c,d) |
| 58 | #endif /* !defined(SK_HWAC_LINK_LED) */ |
| 59 | |
| 60 | #ifndef DEBUG |
| 61 | #define RLMT_STATIC static |
| 62 | #else /* DEBUG */ |
| 63 | #define RLMT_STATIC |
| 64 | |
| 65 | #ifndef SK_LITTLE_ENDIAN |
| 66 | /* First 32 bits */ |
| 67 | #define OFFS_LO32 1 |
| 68 | |
| 69 | /* Second 32 bits */ |
| 70 | #define OFFS_HI32 0 |
| 71 | #else /* SK_LITTLE_ENDIAN */ |
| 72 | /* First 32 bits */ |
| 73 | #define OFFS_LO32 0 |
| 74 | |
| 75 | /* Second 32 bits */ |
| 76 | #define OFFS_HI32 1 |
| 77 | #endif /* SK_LITTLE_ENDIAN */ |
| 78 | |
| 79 | #endif /* DEBUG */ |
| 80 | |
| 81 | /* ----- Private timeout values ----- */ |
| 82 | |
| 83 | #define SK_RLMT_MIN_TO_VAL 125000 /* 1/8 sec. */ |
| 84 | #define SK_RLMT_DEF_TO_VAL 1000000 /* 1 sec. */ |
| 85 | #define SK_RLMT_PORTDOWN_TIM_VAL 900000 /* another 0.9 sec. */ |
| 86 | #define SK_RLMT_PORTSTART_TIM_VAL 100000 /* 0.1 sec. */ |
| 87 | #define SK_RLMT_PORTUP_TIM_VAL 2500000 /* 2.5 sec. */ |
| 88 | #define SK_RLMT_SEG_TO_VAL 900000000 /* 15 min. */ |
| 89 | |
| 90 | /* Assume tick counter increment is 1 - may be set OS-dependent. */ |
| 91 | #ifndef SK_TICK_INCR |
| 92 | #define SK_TICK_INCR SK_CONSTU64(1) |
| 93 | #endif /* !defined(SK_TICK_INCR) */ |
| 94 | |
| 95 | /* |
| 96 | * Amount that a time stamp must be later to be recognized as "substantially |
| 97 | * later". This is about 1/128 sec, but above 1 tick counter increment. |
| 98 | */ |
| 99 | #define SK_RLMT_BC_DELTA (1 + ((SK_TICKS_PER_SEC >> 7) > SK_TICK_INCR ? \ |
| 100 | (SK_TICKS_PER_SEC >> 7) : SK_TICK_INCR)) |
| 101 | |
| 102 | /* ----- Private RLMT defaults ----- */ |
| 103 | |
| 104 | #define SK_RLMT_DEF_PREF_PORT 0 /* "Lower" port. */ |
| 105 | #define SK_RLMT_DEF_MODE SK_RLMT_CHECK_LINK /* Default RLMT Mode. */ |
| 106 | |
| 107 | /* ----- Private RLMT checking states ----- */ |
| 108 | |
| 109 | #define SK_RLMT_RCS_SEG 1 /* RLMT Check State: check seg. */ |
| 110 | #define SK_RLMT_RCS_START_SEG 2 /* RLMT Check State: start check seg. */ |
| 111 | #define SK_RLMT_RCS_SEND_SEG 4 /* RLMT Check State: send BPDU packet */ |
| 112 | #define SK_RLMT_RCS_REPORT_SEG 8 /* RLMT Check State: report seg. */ |
| 113 | |
| 114 | /* ----- Private PORT checking states ----- */ |
| 115 | |
| 116 | #define SK_RLMT_PCS_TX 1 /* Port Check State: check tx. */ |
| 117 | #define SK_RLMT_PCS_RX 2 /* Port Check State: check rx. */ |
| 118 | |
| 119 | /* ----- Private PORT events ----- */ |
| 120 | |
| 121 | /* Note: Update simulation when changing these. */ |
| 122 | #define SK_RLMT_PORTSTART_TIM 1100 /* Port start timeout. */ |
| 123 | #define SK_RLMT_PORTUP_TIM 1101 /* Port can now go up. */ |
| 124 | #define SK_RLMT_PORTDOWN_RX_TIM 1102 /* Port did not receive once ... */ |
| 125 | #define SK_RLMT_PORTDOWN 1103 /* Port went down. */ |
| 126 | #define SK_RLMT_PORTDOWN_TX_TIM 1104 /* Partner did not receive ... */ |
| 127 | |
| 128 | /* ----- Private RLMT events ----- */ |
| 129 | |
| 130 | /* Note: Update simulation when changing these. */ |
| 131 | #define SK_RLMT_TIM 2100 /* RLMT timeout. */ |
| 132 | #define SK_RLMT_SEG_TIM 2101 /* RLMT segmentation check timeout. */ |
| 133 | |
| 134 | #define TO_SHORTEN(tim) ((tim) / 2) |
| 135 | |
| 136 | /* Error numbers and messages. */ |
| 137 | #define SKERR_RLMT_E001 (SK_ERRBASE_RLMT + 0) |
| 138 | #define SKERR_RLMT_E001_MSG "No Packet." |
| 139 | #define SKERR_RLMT_E002 (SKERR_RLMT_E001 + 1) |
| 140 | #define SKERR_RLMT_E002_MSG "Short Packet." |
| 141 | #define SKERR_RLMT_E003 (SKERR_RLMT_E002 + 1) |
| 142 | #define SKERR_RLMT_E003_MSG "Unknown RLMT event." |
| 143 | #define SKERR_RLMT_E004 (SKERR_RLMT_E003 + 1) |
| 144 | #define SKERR_RLMT_E004_MSG "PortsUp incorrect." |
| 145 | #define SKERR_RLMT_E005 (SKERR_RLMT_E004 + 1) |
| 146 | #define SKERR_RLMT_E005_MSG \ |
| 147 | "Net seems to be segmented (different root bridges are reported on the ports)." |
| 148 | #define SKERR_RLMT_E006 (SKERR_RLMT_E005 + 1) |
| 149 | #define SKERR_RLMT_E006_MSG "Duplicate MAC Address detected." |
| 150 | #define SKERR_RLMT_E007 (SKERR_RLMT_E006 + 1) |
| 151 | #define SKERR_RLMT_E007_MSG "LinksUp incorrect." |
| 152 | #define SKERR_RLMT_E008 (SKERR_RLMT_E007 + 1) |
| 153 | #define SKERR_RLMT_E008_MSG "Port not started but link came up." |
| 154 | #define SKERR_RLMT_E009 (SKERR_RLMT_E008 + 1) |
| 155 | #define SKERR_RLMT_E009_MSG "Corrected illegal setting of Preferred Port." |
| 156 | #define SKERR_RLMT_E010 (SKERR_RLMT_E009 + 1) |
| 157 | #define SKERR_RLMT_E010_MSG "Ignored illegal Preferred Port." |
| 158 | |
| 159 | /* LLC field values. */ |
| 160 | #define LLC_COMMAND_RESPONSE_BIT 1 |
| 161 | #define LLC_TEST_COMMAND 0xE3 |
| 162 | #define LLC_UI 0x03 |
| 163 | |
| 164 | /* RLMT Packet fields. */ |
| 165 | #define SK_RLMT_DSAP 0 |
| 166 | #define SK_RLMT_SSAP 0 |
| 167 | #define SK_RLMT_CTRL (LLC_TEST_COMMAND) |
| 168 | #define SK_RLMT_INDICATOR0 0x53 /* S */ |
| 169 | #define SK_RLMT_INDICATOR1 0x4B /* K */ |
| 170 | #define SK_RLMT_INDICATOR2 0x2D /* - */ |
| 171 | #define SK_RLMT_INDICATOR3 0x52 /* R */ |
| 172 | #define SK_RLMT_INDICATOR4 0x4C /* L */ |
| 173 | #define SK_RLMT_INDICATOR5 0x4D /* M */ |
| 174 | #define SK_RLMT_INDICATOR6 0x54 /* T */ |
| 175 | #define SK_RLMT_PACKET_VERSION 0 |
| 176 | |
| 177 | /* RLMT SPT Flag values. */ |
| 178 | #define SK_RLMT_SPT_FLAG_CHANGE 0x01 |
| 179 | #define SK_RLMT_SPT_FLAG_CHANGE_ACK 0x80 |
| 180 | |
| 181 | /* RLMT SPT Packet fields. */ |
| 182 | #define SK_RLMT_SPT_DSAP 0x42 |
| 183 | #define SK_RLMT_SPT_SSAP 0x42 |
| 184 | #define SK_RLMT_SPT_CTRL (LLC_UI) |
| 185 | #define SK_RLMT_SPT_PROTOCOL_ID0 0x00 |
| 186 | #define SK_RLMT_SPT_PROTOCOL_ID1 0x00 |
| 187 | #define SK_RLMT_SPT_PROTOCOL_VERSION_ID 0x00 |
| 188 | #define SK_RLMT_SPT_BPDU_TYPE 0x00 |
| 189 | #define SK_RLMT_SPT_FLAGS 0x00 /* ?? */ |
| 190 | #define SK_RLMT_SPT_ROOT_ID0 0xFF /* Lowest possible priority. */ |
| 191 | #define SK_RLMT_SPT_ROOT_ID1 0xFF /* Lowest possible priority. */ |
| 192 | |
| 193 | /* Remaining 6 bytes will be the current port address. */ |
| 194 | #define SK_RLMT_SPT_ROOT_PATH_COST0 0x00 |
| 195 | #define SK_RLMT_SPT_ROOT_PATH_COST1 0x00 |
| 196 | #define SK_RLMT_SPT_ROOT_PATH_COST2 0x00 |
| 197 | #define SK_RLMT_SPT_ROOT_PATH_COST3 0x00 |
| 198 | #define SK_RLMT_SPT_BRIDGE_ID0 0xFF /* Lowest possible priority. */ |
| 199 | #define SK_RLMT_SPT_BRIDGE_ID1 0xFF /* Lowest possible priority. */ |
| 200 | |
| 201 | /* Remaining 6 bytes will be the current port address. */ |
| 202 | #define SK_RLMT_SPT_PORT_ID0 0xFF /* Lowest possible priority. */ |
| 203 | #define SK_RLMT_SPT_PORT_ID1 0xFF /* Lowest possible priority. */ |
| 204 | #define SK_RLMT_SPT_MSG_AGE0 0x00 |
| 205 | #define SK_RLMT_SPT_MSG_AGE1 0x00 |
| 206 | #define SK_RLMT_SPT_MAX_AGE0 0x00 |
| 207 | #define SK_RLMT_SPT_MAX_AGE1 0xFF |
| 208 | #define SK_RLMT_SPT_HELLO_TIME0 0x00 |
| 209 | #define SK_RLMT_SPT_HELLO_TIME1 0xFF |
| 210 | #define SK_RLMT_SPT_FWD_DELAY0 0x00 |
| 211 | #define SK_RLMT_SPT_FWD_DELAY1 0x40 |
| 212 | |
| 213 | /* Size defines. */ |
| 214 | #define SK_RLMT_MIN_PACKET_SIZE 34 |
| 215 | #define SK_RLMT_MAX_PACKET_SIZE (SK_RLMT_MAX_TX_BUF_SIZE) |
| 216 | #define SK_PACKET_DATA_LEN (SK_RLMT_MAX_PACKET_SIZE - \ |
| 217 | SK_RLMT_MIN_PACKET_SIZE) |
| 218 | |
| 219 | /* ----- RLMT packet types ----- */ |
| 220 | #define SK_PACKET_ANNOUNCE 1 /* Port announcement. */ |
| 221 | #define SK_PACKET_ALIVE 2 /* Alive packet to port. */ |
| 222 | #define SK_PACKET_ADDR_CHANGED 3 /* Port address changed. */ |
| 223 | #define SK_PACKET_CHECK_TX 4 /* Check your tx line. */ |
| 224 | |
| 225 | #ifdef SK_LITTLE_ENDIAN |
| 226 | #define SK_U16_TO_NETWORK_ORDER(Val,Addr) { \ |
| 227 | SK_U8 *_Addr = (SK_U8*)(Addr); \ |
| 228 | SK_U16 _Val = (SK_U16)(Val); \ |
| 229 | *_Addr++ = (SK_U8)(_Val >> 8); \ |
| 230 | *_Addr = (SK_U8)(_Val & 0xFF); \ |
| 231 | } |
| 232 | #endif /* SK_LITTLE_ENDIAN */ |
| 233 | |
| 234 | #ifdef SK_BIG_ENDIAN |
| 235 | #define SK_U16_TO_NETWORK_ORDER(Val,Addr) (*(SK_U16*)(Addr) = (SK_U16)(Val)) |
| 236 | #endif /* SK_BIG_ENDIAN */ |
| 237 | |
| 238 | #define AUTONEG_FAILED SK_FALSE |
| 239 | #define AUTONEG_SUCCESS SK_TRUE |
| 240 | |
| 241 | |
| 242 | /* typedefs *******************************************************************/ |
| 243 | |
| 244 | /* RLMT packet. Length: SK_RLMT_MAX_PACKET_SIZE (60) bytes. */ |
| 245 | typedef struct s_RlmtPacket { |
| 246 | SK_U8 DstAddr[SK_MAC_ADDR_LEN]; |
| 247 | SK_U8 SrcAddr[SK_MAC_ADDR_LEN]; |
| 248 | SK_U8 TypeLen[2]; |
| 249 | SK_U8 DSap; |
| 250 | SK_U8 SSap; |
| 251 | SK_U8 Ctrl; |
| 252 | SK_U8 Indicator[7]; |
| 253 | SK_U8 RlmtPacketType[2]; |
| 254 | SK_U8 Align1[2]; |
| 255 | SK_U8 Random[4]; /* Random value of requesting(!) station. */ |
| 256 | SK_U8 RlmtPacketVersion[2]; /* RLMT Packet version. */ |
| 257 | SK_U8 Data[SK_PACKET_DATA_LEN]; |
| 258 | } SK_RLMT_PACKET; |
| 259 | |
| 260 | typedef struct s_SpTreeRlmtPacket { |
| 261 | SK_U8 DstAddr[SK_MAC_ADDR_LEN]; |
| 262 | SK_U8 SrcAddr[SK_MAC_ADDR_LEN]; |
| 263 | SK_U8 TypeLen[2]; |
| 264 | SK_U8 DSap; |
| 265 | SK_U8 SSap; |
| 266 | SK_U8 Ctrl; |
| 267 | SK_U8 ProtocolId[2]; |
| 268 | SK_U8 ProtocolVersionId; |
| 269 | SK_U8 BpduType; |
| 270 | SK_U8 Flags; |
| 271 | SK_U8 RootId[8]; |
| 272 | SK_U8 RootPathCost[4]; |
| 273 | SK_U8 BridgeId[8]; |
| 274 | SK_U8 PortId[2]; |
| 275 | SK_U8 MessageAge[2]; |
| 276 | SK_U8 MaxAge[2]; |
| 277 | SK_U8 HelloTime[2]; |
| 278 | SK_U8 ForwardDelay[2]; |
| 279 | } SK_SPTREE_PACKET; |
| 280 | |
| 281 | /* global variables ***********************************************************/ |
| 282 | |
| 283 | SK_MAC_ADDR SkRlmtMcAddr = {{0x01, 0x00, 0x5A, 0x52, 0x4C, 0x4D}}; |
| 284 | SK_MAC_ADDR BridgeMcAddr = {{0x01, 0x80, 0xC2, 0x00, 0x00, 0x00}}; |
| 285 | |
| 286 | /* local variables ************************************************************/ |
| 287 | |
| 288 | /* None. */ |
| 289 | |
| 290 | /* functions ******************************************************************/ |
| 291 | |
| 292 | RLMT_STATIC void SkRlmtCheckSwitch( |
| 293 | SK_AC *pAC, |
| 294 | SK_IOC IoC, |
| 295 | SK_U32 NetIdx); |
| 296 | RLMT_STATIC void SkRlmtCheckSeg( |
| 297 | SK_AC *pAC, |
| 298 | SK_IOC IoC, |
| 299 | SK_U32 NetIdx); |
| 300 | RLMT_STATIC void SkRlmtEvtSetNets( |
| 301 | SK_AC *pAC, |
| 302 | SK_IOC IoC, |
| 303 | SK_EVPARA Para); |
| 304 | |
| 305 | /****************************************************************************** |
| 306 | * |
| 307 | * SkRlmtInit - initialize data, set state to init |
| 308 | * |
| 309 | * Description: |
| 310 | * |
| 311 | * SK_INIT_DATA |
| 312 | * ============ |
| 313 | * |
| 314 | * This routine initializes all RLMT-related variables to a known state. |
| 315 | * The initial state is SK_RLMT_RS_INIT. |
| 316 | * All ports are initialized to SK_RLMT_PS_INIT. |
| 317 | * |
| 318 | * |
| 319 | * SK_INIT_IO |
| 320 | * ========== |
| 321 | * |
| 322 | * Nothing. |
| 323 | * |
| 324 | * |
| 325 | * SK_INIT_RUN |
| 326 | * =========== |
| 327 | * |
| 328 | * Determine the adapter's random value. |
| 329 | * Set the hw registers, the "logical MAC address", the |
| 330 | * RLMT multicast address, and eventually the BPDU multicast address. |
| 331 | * |
| 332 | * Context: |
| 333 | * init, pageable |
| 334 | * |
| 335 | * Returns: |
| 336 | * Nothing. |
| 337 | */ |
| 338 | void SkRlmtInit( |
| 339 | SK_AC *pAC, /* Adapter Context */ |
| 340 | SK_IOC IoC, /* I/O Context */ |
| 341 | int Level) /* Initialization Level */ |
| 342 | { |
| 343 | SK_U32 i, j; |
| 344 | SK_U64 Random; |
| 345 | SK_EVPARA Para; |
| 346 | SK_MAC_ADDR VirtualMacAddress; |
| 347 | SK_MAC_ADDR PhysicalAMacAddress; |
| 348 | SK_BOOL VirtualMacAddressSet; |
| 349 | SK_BOOL PhysicalAMacAddressSet; |
| 350 | |
| 351 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_INIT, |
| 352 | ("RLMT Init level %d.\n", Level)) |
| 353 | |
| 354 | switch (Level) { |
| 355 | case SK_INIT_DATA: /* Initialize data structures. */ |
| 356 | SK_MEMSET((char *)&pAC->Rlmt, 0, sizeof(SK_RLMT)); |
| 357 | |
| 358 | for (i = 0; i < SK_MAX_MACS; i++) { |
| 359 | pAC->Rlmt.Port[i].PortState = SK_RLMT_PS_INIT; |
| 360 | pAC->Rlmt.Port[i].LinkDown = SK_TRUE; |
| 361 | pAC->Rlmt.Port[i].PortDown = SK_TRUE; |
| 362 | pAC->Rlmt.Port[i].PortStarted = SK_FALSE; |
| 363 | pAC->Rlmt.Port[i].PortNoRx = SK_FALSE; |
| 364 | pAC->Rlmt.Port[i].RootIdSet = SK_FALSE; |
| 365 | pAC->Rlmt.Port[i].PortNumber = i; |
| 366 | pAC->Rlmt.Port[i].Net = &pAC->Rlmt.Net[0]; |
| 367 | pAC->Rlmt.Port[i].AddrPort = &pAC->Addr.Port[i]; |
| 368 | } |
| 369 | |
| 370 | pAC->Rlmt.NumNets = 1; |
| 371 | for (i = 0; i < SK_MAX_NETS; i++) { |
| 372 | pAC->Rlmt.Net[i].RlmtState = SK_RLMT_RS_INIT; |
| 373 | pAC->Rlmt.Net[i].RootIdSet = SK_FALSE; |
| 374 | pAC->Rlmt.Net[i].PrefPort = SK_RLMT_DEF_PREF_PORT; |
| 375 | pAC->Rlmt.Net[i].Preference = 0xFFFFFFFF; /* Automatic. */ |
| 376 | /* Just assuming. */ |
| 377 | pAC->Rlmt.Net[i].ActivePort = pAC->Rlmt.Net[i].PrefPort; |
| 378 | pAC->Rlmt.Net[i].RlmtMode = SK_RLMT_DEF_MODE; |
| 379 | pAC->Rlmt.Net[i].TimeoutValue = SK_RLMT_DEF_TO_VAL; |
| 380 | pAC->Rlmt.Net[i].NetNumber = i; |
| 381 | } |
| 382 | |
| 383 | pAC->Rlmt.Net[0].Port[0] = &pAC->Rlmt.Port[0]; |
| 384 | pAC->Rlmt.Net[0].Port[1] = &pAC->Rlmt.Port[1]; |
| 385 | #if SK_MAX_NETS > 1 |
| 386 | pAC->Rlmt.Net[1].Port[0] = &pAC->Rlmt.Port[1]; |
| 387 | #endif /* SK_MAX_NETS > 1 */ |
| 388 | break; |
| 389 | |
| 390 | case SK_INIT_IO: /* GIMacsFound first available here. */ |
| 391 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_INIT, |
| 392 | ("RLMT: %d MACs were detected.\n", pAC->GIni.GIMacsFound)) |
| 393 | |
| 394 | pAC->Rlmt.Net[0].NumPorts = pAC->GIni.GIMacsFound; |
| 395 | |
| 396 | /* Initialize HW registers? */ |
| 397 | if (pAC->GIni.GIMacsFound == 1) { |
| 398 | Para.Para32[0] = SK_RLMT_MODE_CLS; |
| 399 | Para.Para32[1] = 0; |
| 400 | (void)SkRlmtEvent(pAC, IoC, SK_RLMT_MODE_CHANGE, Para); |
| 401 | } |
| 402 | break; |
| 403 | |
| 404 | case SK_INIT_RUN: |
| 405 | /* Ensure RLMT is set to one net. */ |
| 406 | if (pAC->Rlmt.NumNets > 1) { |
| 407 | Para.Para32[0] = 1; |
| 408 | Para.Para32[1] = -1; |
| 409 | SkRlmtEvtSetNets(pAC, IoC, Para); |
| 410 | } |
| 411 | |
| 412 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 413 | Random = SkOsGetTime(pAC); |
| 414 | *(SK_U32*)&pAC->Rlmt.Port[i].Random = *(SK_U32*)&Random; |
| 415 | |
| 416 | for (j = 0; j < 4; j++) { |
| 417 | pAC->Rlmt.Port[i].Random[j] ^= pAC->Rlmt.Port[i].AddrPort-> |
| 418 | CurrentMacAddress.a[SK_MAC_ADDR_LEN - 1 - j]; |
| 419 | } |
| 420 | |
| 421 | (void)SkAddrMcClear(pAC, IoC, i, SK_ADDR_PERMANENT | SK_MC_SW_ONLY); |
| 422 | |
| 423 | /* Add RLMT MC address. */ |
| 424 | (void)SkAddrMcAdd(pAC, IoC, i, &SkRlmtMcAddr, SK_ADDR_PERMANENT); |
| 425 | |
| 426 | if (pAC->Rlmt.Net[0].RlmtMode & SK_RLMT_CHECK_SEG) { |
| 427 | /* Add BPDU MC address. */ |
| 428 | (void)SkAddrMcAdd(pAC, IoC, i, &BridgeMcAddr, SK_ADDR_PERMANENT); |
| 429 | } |
| 430 | |
| 431 | (void)SkAddrMcUpdate(pAC, IoC, i); |
| 432 | } |
| 433 | |
| 434 | VirtualMacAddressSet = SK_FALSE; |
| 435 | /* Read virtual MAC address from Control Register File. */ |
| 436 | for (j = 0; j < SK_MAC_ADDR_LEN; j++) { |
| 437 | |
| 438 | SK_IN8(IoC, B2_MAC_1 + j, &VirtualMacAddress.a[j]); |
| 439 | VirtualMacAddressSet |= VirtualMacAddress.a[j]; |
| 440 | } |
| 441 | |
| 442 | PhysicalAMacAddressSet = SK_FALSE; |
| 443 | /* Read physical MAC address for MAC A from Control Register File. */ |
| 444 | for (j = 0; j < SK_MAC_ADDR_LEN; j++) { |
| 445 | |
| 446 | SK_IN8(IoC, B2_MAC_2 + j, &PhysicalAMacAddress.a[j]); |
| 447 | PhysicalAMacAddressSet |= PhysicalAMacAddress.a[j]; |
| 448 | } |
| 449 | |
| 450 | /* check if the two mac addresses contain reasonable values */ |
| 451 | if (!VirtualMacAddressSet || !PhysicalAMacAddressSet) { |
| 452 | |
| 453 | pAC->Rlmt.RlmtOff = SK_TRUE; |
| 454 | } |
| 455 | |
| 456 | /* if the two mac addresses are equal switch off the RLMT_PRE_LOOKAHEAD |
| 457 | and the RLMT_LOOKAHEAD macros */ |
| 458 | else if (SK_ADDR_EQUAL(PhysicalAMacAddress.a, VirtualMacAddress.a)) { |
| 459 | |
| 460 | pAC->Rlmt.RlmtOff = SK_TRUE; |
| 461 | } |
| 462 | else { |
| 463 | pAC->Rlmt.RlmtOff = SK_FALSE; |
| 464 | } |
| 465 | break; |
| 466 | |
| 467 | default: /* error */ |
| 468 | break; |
| 469 | } |
| 470 | return; |
| 471 | } /* SkRlmtInit */ |
| 472 | |
| 473 | |
| 474 | /****************************************************************************** |
| 475 | * |
| 476 | * SkRlmtBuildCheckChain - build the check chain |
| 477 | * |
| 478 | * Description: |
| 479 | * This routine builds the local check chain: |
| 480 | * - Each port that is up checks the next port. |
| 481 | * - The last port that is up checks the first port that is up. |
| 482 | * |
| 483 | * Notes: |
| 484 | * - Currently only local ports are considered when building the chain. |
| 485 | * - Currently the SuspectState is just reset; |
| 486 | * it would be better to save it ... |
| 487 | * |
| 488 | * Context: |
| 489 | * runtime, pageable? |
| 490 | * |
| 491 | * Returns: |
| 492 | * Nothing |
| 493 | */ |
| 494 | RLMT_STATIC void SkRlmtBuildCheckChain( |
| 495 | SK_AC *pAC, /* Adapter Context */ |
| 496 | SK_U32 NetIdx) /* Net Number */ |
| 497 | { |
| 498 | SK_U32 i; |
| 499 | SK_U32 NumMacsUp; |
| 500 | SK_RLMT_PORT * FirstMacUp; |
| 501 | SK_RLMT_PORT * PrevMacUp; |
| 502 | |
| 503 | FirstMacUp = NULL; |
| 504 | PrevMacUp = NULL; |
| 505 | |
| 506 | if (!(pAC->Rlmt.Net[NetIdx].RlmtMode & SK_RLMT_CHECK_LOC_LINK)) { |
| 507 | for (i = 0; i < pAC->Rlmt.Net[i].NumPorts; i++) { |
| 508 | pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked = 0; |
| 509 | } |
| 510 | return; /* Done. */ |
| 511 | } |
| 512 | |
| 513 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 514 | ("SkRlmtBuildCheckChain.\n")) |
| 515 | |
| 516 | NumMacsUp = 0; |
| 517 | |
| 518 | for (i = 0; i < pAC->Rlmt.Net[NetIdx].NumPorts; i++) { |
| 519 | pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked = 0; |
| 520 | pAC->Rlmt.Net[NetIdx].Port[i]->PortsSuspect = 0; |
| 521 | pAC->Rlmt.Net[NetIdx].Port[i]->CheckingState &= |
| 522 | ~(SK_RLMT_PCS_RX | SK_RLMT_PCS_TX); |
| 523 | |
| 524 | /* |
| 525 | * If more than two links are detected we should consider |
| 526 | * checking at least two other ports: |
| 527 | * 1. the next port that is not LinkDown and |
| 528 | * 2. the next port that is not PortDown. |
| 529 | */ |
| 530 | if (!pAC->Rlmt.Net[NetIdx].Port[i]->LinkDown) { |
| 531 | if (NumMacsUp == 0) { |
| 532 | FirstMacUp = pAC->Rlmt.Net[NetIdx].Port[i]; |
| 533 | } |
| 534 | else { |
| 535 | PrevMacUp->PortCheck[ |
| 536 | pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked].CheckAddr = |
| 537 | pAC->Rlmt.Net[NetIdx].Port[i]->AddrPort->CurrentMacAddress; |
| 538 | PrevMacUp->PortCheck[ |
| 539 | PrevMacUp->PortsChecked].SuspectTx = SK_FALSE; |
| 540 | PrevMacUp->PortsChecked++; |
| 541 | } |
| 542 | PrevMacUp = pAC->Rlmt.Net[NetIdx].Port[i]; |
| 543 | NumMacsUp++; |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | if (NumMacsUp > 1) { |
| 548 | PrevMacUp->PortCheck[PrevMacUp->PortsChecked].CheckAddr = |
| 549 | FirstMacUp->AddrPort->CurrentMacAddress; |
| 550 | PrevMacUp->PortCheck[PrevMacUp->PortsChecked].SuspectTx = |
| 551 | SK_FALSE; |
| 552 | PrevMacUp->PortsChecked++; |
| 553 | } |
| 554 | |
| 555 | #ifdef DEBUG |
| 556 | for (i = 0; i < pAC->Rlmt.Net[NetIdx].NumPorts; i++) { |
| 557 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 558 | ("Port %d checks %d other ports: %2X.\n", i, |
| 559 | pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked, |
| 560 | pAC->Rlmt.Net[NetIdx].Port[i]->PortCheck[0].CheckAddr.a[5])) |
| 561 | } |
| 562 | #endif /* DEBUG */ |
| 563 | |
| 564 | return; |
| 565 | } /* SkRlmtBuildCheckChain */ |
| 566 | |
| 567 | |
| 568 | /****************************************************************************** |
| 569 | * |
| 570 | * SkRlmtBuildPacket - build an RLMT packet |
| 571 | * |
| 572 | * Description: |
| 573 | * This routine sets up an RLMT packet. |
| 574 | * |
| 575 | * Context: |
| 576 | * runtime, pageable? |
| 577 | * |
| 578 | * Returns: |
| 579 | * NULL or pointer to RLMT mbuf |
| 580 | */ |
| 581 | RLMT_STATIC SK_MBUF *SkRlmtBuildPacket( |
| 582 | SK_AC *pAC, /* Adapter Context */ |
| 583 | SK_IOC IoC, /* I/O Context */ |
| 584 | SK_U32 PortNumber, /* Sending port */ |
| 585 | SK_U16 PacketType, /* RLMT packet type */ |
| 586 | SK_MAC_ADDR *SrcAddr, /* Source address */ |
| 587 | SK_MAC_ADDR *DestAddr) /* Destination address */ |
| 588 | { |
| 589 | int i; |
| 590 | SK_U16 Length; |
| 591 | SK_MBUF *pMb; |
| 592 | SK_RLMT_PACKET *pPacket; |
| 593 | |
| 594 | #ifdef DEBUG |
| 595 | SK_U8 CheckSrc = 0; |
| 596 | SK_U8 CheckDest = 0; |
| 597 | |
| 598 | for (i = 0; i < SK_MAC_ADDR_LEN; ++i) { |
| 599 | CheckSrc |= SrcAddr->a[i]; |
| 600 | CheckDest |= DestAddr->a[i]; |
| 601 | } |
| 602 | |
| 603 | if ((CheckSrc == 0) || (CheckDest == 0)) { |
| 604 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_ERR, |
| 605 | ("SkRlmtBuildPacket: Invalid %s%saddr.\n", |
| 606 | (CheckSrc == 0 ? "Src" : ""), (CheckDest == 0 ? "Dest" : ""))) |
| 607 | } |
| 608 | #endif |
| 609 | |
| 610 | if ((pMb = SkDrvAllocRlmtMbuf(pAC, IoC, SK_RLMT_MAX_PACKET_SIZE)) != NULL) { |
| 611 | pPacket = (SK_RLMT_PACKET*)pMb->pData; |
| 612 | for (i = 0; i < SK_MAC_ADDR_LEN; i++) { |
| 613 | pPacket->DstAddr[i] = DestAddr->a[i]; |
| 614 | pPacket->SrcAddr[i] = SrcAddr->a[i]; |
| 615 | } |
| 616 | pPacket->DSap = SK_RLMT_DSAP; |
| 617 | pPacket->SSap = SK_RLMT_SSAP; |
| 618 | pPacket->Ctrl = SK_RLMT_CTRL; |
| 619 | pPacket->Indicator[0] = SK_RLMT_INDICATOR0; |
| 620 | pPacket->Indicator[1] = SK_RLMT_INDICATOR1; |
| 621 | pPacket->Indicator[2] = SK_RLMT_INDICATOR2; |
| 622 | pPacket->Indicator[3] = SK_RLMT_INDICATOR3; |
| 623 | pPacket->Indicator[4] = SK_RLMT_INDICATOR4; |
| 624 | pPacket->Indicator[5] = SK_RLMT_INDICATOR5; |
| 625 | pPacket->Indicator[6] = SK_RLMT_INDICATOR6; |
| 626 | |
| 627 | SK_U16_TO_NETWORK_ORDER(PacketType, &pPacket->RlmtPacketType[0]); |
| 628 | |
| 629 | for (i = 0; i < 4; i++) { |
| 630 | pPacket->Random[i] = pAC->Rlmt.Port[PortNumber].Random[i]; |
| 631 | } |
| 632 | |
| 633 | SK_U16_TO_NETWORK_ORDER( |
| 634 | SK_RLMT_PACKET_VERSION, &pPacket->RlmtPacketVersion[0]); |
| 635 | |
| 636 | for (i = 0; i < SK_PACKET_DATA_LEN; i++) { |
| 637 | pPacket->Data[i] = 0x00; |
| 638 | } |
| 639 | |
| 640 | Length = SK_RLMT_MAX_PACKET_SIZE; /* Or smaller. */ |
| 641 | pMb->Length = Length; |
| 642 | pMb->PortIdx = PortNumber; |
| 643 | Length -= 14; |
| 644 | SK_U16_TO_NETWORK_ORDER(Length, &pPacket->TypeLen[0]); |
| 645 | |
| 646 | if (PacketType == SK_PACKET_ALIVE) { |
| 647 | pAC->Rlmt.Port[PortNumber].TxHelloCts++; |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | return (pMb); |
| 652 | } /* SkRlmtBuildPacket */ |
| 653 | |
| 654 | |
| 655 | /****************************************************************************** |
| 656 | * |
| 657 | * SkRlmtBuildSpanningTreePacket - build spanning tree check packet |
| 658 | * |
| 659 | * Description: |
| 660 | * This routine sets up a BPDU packet for spanning tree check. |
| 661 | * |
| 662 | * Context: |
| 663 | * runtime, pageable? |
| 664 | * |
| 665 | * Returns: |
| 666 | * NULL or pointer to RLMT mbuf |
| 667 | */ |
| 668 | RLMT_STATIC SK_MBUF *SkRlmtBuildSpanningTreePacket( |
| 669 | SK_AC *pAC, /* Adapter Context */ |
| 670 | SK_IOC IoC, /* I/O Context */ |
| 671 | SK_U32 PortNumber) /* Sending port */ |
| 672 | { |
| 673 | unsigned i; |
| 674 | SK_U16 Length; |
| 675 | SK_MBUF *pMb; |
| 676 | SK_SPTREE_PACKET *pSPacket; |
| 677 | |
| 678 | if ((pMb = SkDrvAllocRlmtMbuf(pAC, IoC, SK_RLMT_MAX_PACKET_SIZE)) != |
| 679 | NULL) { |
| 680 | pSPacket = (SK_SPTREE_PACKET*)pMb->pData; |
| 681 | for (i = 0; i < SK_MAC_ADDR_LEN; i++) { |
| 682 | pSPacket->DstAddr[i] = BridgeMcAddr.a[i]; |
| 683 | pSPacket->SrcAddr[i] = |
| 684 | pAC->Addr.Port[PortNumber].CurrentMacAddress.a[i]; |
| 685 | } |
| 686 | pSPacket->DSap = SK_RLMT_SPT_DSAP; |
| 687 | pSPacket->SSap = SK_RLMT_SPT_SSAP; |
| 688 | pSPacket->Ctrl = SK_RLMT_SPT_CTRL; |
| 689 | |
| 690 | pSPacket->ProtocolId[0] = SK_RLMT_SPT_PROTOCOL_ID0; |
| 691 | pSPacket->ProtocolId[1] = SK_RLMT_SPT_PROTOCOL_ID1; |
| 692 | pSPacket->ProtocolVersionId = SK_RLMT_SPT_PROTOCOL_VERSION_ID; |
| 693 | pSPacket->BpduType = SK_RLMT_SPT_BPDU_TYPE; |
| 694 | pSPacket->Flags = SK_RLMT_SPT_FLAGS; |
| 695 | pSPacket->RootId[0] = SK_RLMT_SPT_ROOT_ID0; |
| 696 | pSPacket->RootId[1] = SK_RLMT_SPT_ROOT_ID1; |
| 697 | pSPacket->RootPathCost[0] = SK_RLMT_SPT_ROOT_PATH_COST0; |
| 698 | pSPacket->RootPathCost[1] = SK_RLMT_SPT_ROOT_PATH_COST1; |
| 699 | pSPacket->RootPathCost[2] = SK_RLMT_SPT_ROOT_PATH_COST2; |
| 700 | pSPacket->RootPathCost[3] = SK_RLMT_SPT_ROOT_PATH_COST3; |
| 701 | pSPacket->BridgeId[0] = SK_RLMT_SPT_BRIDGE_ID0; |
| 702 | pSPacket->BridgeId[1] = SK_RLMT_SPT_BRIDGE_ID1; |
| 703 | |
| 704 | /* |
| 705 | * Use logical MAC address as bridge ID and filter these packets |
| 706 | * on receive. |
| 707 | */ |
| 708 | for (i = 0; i < SK_MAC_ADDR_LEN; i++) { |
| 709 | pSPacket->BridgeId[i + 2] = pSPacket->RootId[i + 2] = |
| 710 | pAC->Addr.Net[pAC->Rlmt.Port[PortNumber].Net->NetNumber]. |
| 711 | CurrentMacAddress.a[i]; |
| 712 | } |
| 713 | pSPacket->PortId[0] = SK_RLMT_SPT_PORT_ID0; |
| 714 | pSPacket->PortId[1] = SK_RLMT_SPT_PORT_ID1; |
| 715 | pSPacket->MessageAge[0] = SK_RLMT_SPT_MSG_AGE0; |
| 716 | pSPacket->MessageAge[1] = SK_RLMT_SPT_MSG_AGE1; |
| 717 | pSPacket->MaxAge[0] = SK_RLMT_SPT_MAX_AGE0; |
| 718 | pSPacket->MaxAge[1] = SK_RLMT_SPT_MAX_AGE1; |
| 719 | pSPacket->HelloTime[0] = SK_RLMT_SPT_HELLO_TIME0; |
| 720 | pSPacket->HelloTime[1] = SK_RLMT_SPT_HELLO_TIME1; |
| 721 | pSPacket->ForwardDelay[0] = SK_RLMT_SPT_FWD_DELAY0; |
| 722 | pSPacket->ForwardDelay[1] = SK_RLMT_SPT_FWD_DELAY1; |
| 723 | |
| 724 | Length = SK_RLMT_MAX_PACKET_SIZE; /* Or smaller. */ |
| 725 | pMb->Length = Length; |
| 726 | pMb->PortIdx = PortNumber; |
| 727 | Length -= 14; |
| 728 | SK_U16_TO_NETWORK_ORDER(Length, &pSPacket->TypeLen[0]); |
| 729 | |
| 730 | pAC->Rlmt.Port[PortNumber].TxSpHelloReqCts++; |
| 731 | } |
| 732 | |
| 733 | return (pMb); |
| 734 | } /* SkRlmtBuildSpanningTreePacket */ |
| 735 | |
| 736 | |
| 737 | /****************************************************************************** |
| 738 | * |
| 739 | * SkRlmtSend - build and send check packets |
| 740 | * |
| 741 | * Description: |
| 742 | * Depending on the RLMT state and the checking state, several packets |
| 743 | * are sent through the indicated port. |
| 744 | * |
| 745 | * Context: |
| 746 | * runtime, pageable? |
| 747 | * |
| 748 | * Returns: |
| 749 | * Nothing. |
| 750 | */ |
| 751 | RLMT_STATIC void SkRlmtSend( |
| 752 | SK_AC *pAC, /* Adapter Context */ |
| 753 | SK_IOC IoC, /* I/O Context */ |
| 754 | SK_U32 PortNumber) /* Sending port */ |
| 755 | { |
| 756 | unsigned j; |
| 757 | SK_EVPARA Para; |
| 758 | SK_RLMT_PORT *pRPort; |
| 759 | |
| 760 | pRPort = &pAC->Rlmt.Port[PortNumber]; |
| 761 | if (pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_LOC_LINK) { |
| 762 | if (pRPort->CheckingState & (SK_RLMT_PCS_TX | SK_RLMT_PCS_RX)) { |
| 763 | /* Port is suspicious. Send the RLMT packet to the RLMT mc addr. */ |
| 764 | if ((Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, PortNumber, |
| 765 | SK_PACKET_ALIVE, &pAC->Addr.Port[PortNumber].CurrentMacAddress, |
| 766 | &SkRlmtMcAddr)) != NULL) { |
| 767 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 768 | } |
| 769 | } |
| 770 | else { |
| 771 | /* |
| 772 | * Send a directed RLMT packet to all ports that are |
| 773 | * checked by the indicated port. |
| 774 | */ |
| 775 | for (j = 0; j < pRPort->PortsChecked; j++) { |
| 776 | if ((Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, PortNumber, |
| 777 | SK_PACKET_ALIVE, &pAC->Addr.Port[PortNumber].CurrentMacAddress, |
| 778 | &pRPort->PortCheck[j].CheckAddr)) != NULL) { |
| 779 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 780 | } |
| 781 | } |
| 782 | } |
| 783 | } |
| 784 | |
| 785 | if ((pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_SEG) && |
| 786 | (pAC->Rlmt.Port[PortNumber].Net->CheckingState & SK_RLMT_RCS_SEND_SEG)) { |
| 787 | /* |
| 788 | * Send a BPDU packet to make a connected switch tell us |
| 789 | * the correct root bridge. |
| 790 | */ |
| 791 | if ((Para.pParaPtr = |
| 792 | SkRlmtBuildSpanningTreePacket(pAC, IoC, PortNumber)) != NULL) { |
| 793 | pAC->Rlmt.Port[PortNumber].Net->CheckingState &= ~SK_RLMT_RCS_SEND_SEG; |
| 794 | pRPort->RootIdSet = SK_FALSE; |
| 795 | |
| 796 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 797 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_TX, |
| 798 | ("SkRlmtSend: BPDU Packet on Port %u.\n", PortNumber)) |
| 799 | } |
| 800 | } |
| 801 | return; |
| 802 | } /* SkRlmtSend */ |
| 803 | |
| 804 | |
| 805 | /****************************************************************************** |
| 806 | * |
| 807 | * SkRlmtPortReceives - check if port is (going) down and bring it up |
| 808 | * |
| 809 | * Description: |
| 810 | * This routine checks if a port who received a non-BPDU packet |
| 811 | * needs to go up or needs to be stopped going down. |
| 812 | * |
| 813 | * Context: |
| 814 | * runtime, pageable? |
| 815 | * |
| 816 | * Returns: |
| 817 | * Nothing. |
| 818 | */ |
| 819 | RLMT_STATIC void SkRlmtPortReceives( |
| 820 | SK_AC *pAC, /* Adapter Context */ |
| 821 | SK_IOC IoC, /* I/O Context */ |
| 822 | SK_U32 PortNumber) /* Port to check */ |
| 823 | { |
| 824 | SK_RLMT_PORT *pRPort; |
| 825 | SK_EVPARA Para; |
| 826 | |
| 827 | pRPort = &pAC->Rlmt.Port[PortNumber]; |
| 828 | pRPort->PortNoRx = SK_FALSE; |
| 829 | |
| 830 | if ((pRPort->PortState == SK_RLMT_PS_DOWN) && |
| 831 | !(pRPort->CheckingState & SK_RLMT_PCS_TX)) { |
| 832 | /* |
| 833 | * Port is marked down (rx), but received a non-BPDU packet. |
| 834 | * Bring it up. |
| 835 | */ |
| 836 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 837 | ("SkRlmtPacketReceive: Received on PortDown.\n")) |
| 838 | |
| 839 | pRPort->PortState = SK_RLMT_PS_GOING_UP; |
| 840 | pRPort->GuTimeStamp = SkOsGetTime(pAC); |
| 841 | Para.Para32[0] = PortNumber; |
| 842 | Para.Para32[1] = (SK_U32)-1; |
| 843 | SkTimerStart(pAC, IoC, &pRPort->UpTimer, SK_RLMT_PORTUP_TIM_VAL, |
| 844 | SKGE_RLMT, SK_RLMT_PORTUP_TIM, Para); |
| 845 | pRPort->CheckingState &= ~SK_RLMT_PCS_RX; |
| 846 | /* pAC->Rlmt.CheckSwitch = SK_TRUE; */ |
| 847 | SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber); |
| 848 | } /* PortDown && !SuspectTx */ |
| 849 | else if (pRPort->CheckingState & SK_RLMT_PCS_RX) { |
| 850 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 851 | ("SkRlmtPacketReceive: Stop bringing port down.\n")) |
| 852 | SkTimerStop(pAC, IoC, &pRPort->DownRxTimer); |
| 853 | pRPort->CheckingState &= ~SK_RLMT_PCS_RX; |
| 854 | /* pAC->Rlmt.CheckSwitch = SK_TRUE; */ |
| 855 | SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber); |
| 856 | } /* PortGoingDown */ |
| 857 | |
| 858 | return; |
| 859 | } /* SkRlmtPortReceives */ |
| 860 | |
| 861 | |
| 862 | /****************************************************************************** |
| 863 | * |
| 864 | * SkRlmtPacketReceive - receive a packet for closer examination |
| 865 | * |
| 866 | * Description: |
| 867 | * This routine examines a packet more closely than SK_RLMT_LOOKAHEAD. |
| 868 | * |
| 869 | * Context: |
| 870 | * runtime, pageable? |
| 871 | * |
| 872 | * Returns: |
| 873 | * Nothing. |
| 874 | */ |
| 875 | RLMT_STATIC void SkRlmtPacketReceive( |
| 876 | SK_AC *pAC, /* Adapter Context */ |
| 877 | SK_IOC IoC, /* I/O Context */ |
| 878 | SK_MBUF *pMb) /* Received packet */ |
| 879 | { |
| 880 | #ifdef xDEBUG |
| 881 | extern void DumpData(char *p, int size); |
| 882 | #endif /* DEBUG */ |
| 883 | int i; |
| 884 | unsigned j; |
| 885 | SK_U16 PacketType; |
| 886 | SK_U32 PortNumber; |
| 887 | SK_ADDR_PORT *pAPort; |
| 888 | SK_RLMT_PORT *pRPort; |
| 889 | SK_RLMT_PACKET *pRPacket; |
| 890 | SK_SPTREE_PACKET *pSPacket; |
| 891 | SK_EVPARA Para; |
| 892 | |
| 893 | PortNumber = pMb->PortIdx; |
| 894 | pAPort = &pAC->Addr.Port[PortNumber]; |
| 895 | pRPort = &pAC->Rlmt.Port[PortNumber]; |
| 896 | |
| 897 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 898 | ("SkRlmtPacketReceive: PortNumber == %d.\n", PortNumber)) |
| 899 | |
| 900 | pRPacket = (SK_RLMT_PACKET*)pMb->pData; |
| 901 | pSPacket = (SK_SPTREE_PACKET*)pRPacket; |
| 902 | |
| 903 | #ifdef xDEBUG |
| 904 | DumpData((char *)pRPacket, 32); |
| 905 | #endif /* DEBUG */ |
| 906 | |
| 907 | if ((pRPort->PacketsPerTimeSlot - pRPort->BpduPacketsPerTimeSlot) != 0) { |
| 908 | SkRlmtPortReceives(pAC, IoC, PortNumber); |
| 909 | } |
| 910 | |
| 911 | /* Check destination address. */ |
| 912 | |
| 913 | if (!SK_ADDR_EQUAL(pAPort->CurrentMacAddress.a, pRPacket->DstAddr) && |
| 914 | !SK_ADDR_EQUAL(SkRlmtMcAddr.a, pRPacket->DstAddr) && |
| 915 | !SK_ADDR_EQUAL(BridgeMcAddr.a, pRPacket->DstAddr)) { |
| 916 | |
| 917 | /* Not sent to current MAC or registered MC address => Trash it. */ |
| 918 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 919 | ("SkRlmtPacketReceive: Not for me.\n")) |
| 920 | |
| 921 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 922 | return; |
| 923 | } |
| 924 | else if (SK_ADDR_EQUAL(pAPort->CurrentMacAddress.a, pRPacket->SrcAddr)) { |
| 925 | |
| 926 | /* |
| 927 | * Was sent by same port (may happen during port switching |
| 928 | * or in case of duplicate MAC addresses). |
| 929 | */ |
| 930 | |
| 931 | /* |
| 932 | * Check for duplicate address here: |
| 933 | * If Packet.Random != My.Random => DupAddr. |
| 934 | */ |
| 935 | for (i = 3; i >= 0; i--) { |
| 936 | if (pRPort->Random[i] != pRPacket->Random[i]) { |
| 937 | break; |
| 938 | } |
| 939 | } |
| 940 | |
| 941 | /* |
| 942 | * CAUTION: Do not check for duplicate MAC address in RLMT Alive Reply |
| 943 | * packets (they have the LLC_COMMAND_RESPONSE_BIT set in |
| 944 | * pRPacket->SSap). |
| 945 | */ |
| 946 | if (i >= 0 && pRPacket->DSap == SK_RLMT_DSAP && |
| 947 | pRPacket->Ctrl == SK_RLMT_CTRL && |
| 948 | pRPacket->SSap == SK_RLMT_SSAP && |
| 949 | pRPacket->Indicator[0] == SK_RLMT_INDICATOR0 && |
| 950 | pRPacket->Indicator[1] == SK_RLMT_INDICATOR1 && |
| 951 | pRPacket->Indicator[2] == SK_RLMT_INDICATOR2 && |
| 952 | pRPacket->Indicator[3] == SK_RLMT_INDICATOR3 && |
| 953 | pRPacket->Indicator[4] == SK_RLMT_INDICATOR4 && |
| 954 | pRPacket->Indicator[5] == SK_RLMT_INDICATOR5 && |
| 955 | pRPacket->Indicator[6] == SK_RLMT_INDICATOR6) { |
| 956 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 957 | ("SkRlmtPacketReceive: Duplicate MAC Address.\n")) |
| 958 | |
| 959 | /* Error Log entry. */ |
| 960 | SK_ERR_LOG(pAC, SK_ERRCL_COMM, SKERR_RLMT_E006, SKERR_RLMT_E006_MSG); |
| 961 | } |
| 962 | else { |
| 963 | /* Simply trash it. */ |
| 964 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 965 | ("SkRlmtPacketReceive: Sent by me.\n")) |
| 966 | } |
| 967 | |
| 968 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 969 | return; |
| 970 | } |
| 971 | |
| 972 | /* Check SuspectTx entries. */ |
| 973 | if (pRPort->PortsSuspect > 0) { |
| 974 | for (j = 0; j < pRPort->PortsChecked; j++) { |
| 975 | if (pRPort->PortCheck[j].SuspectTx && |
| 976 | SK_ADDR_EQUAL( |
| 977 | pRPacket->SrcAddr, pRPort->PortCheck[j].CheckAddr.a)) { |
| 978 | pRPort->PortCheck[j].SuspectTx = SK_FALSE; |
| 979 | pRPort->PortsSuspect--; |
| 980 | break; |
| 981 | } |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | /* Determine type of packet. */ |
| 986 | if (pRPacket->DSap == SK_RLMT_DSAP && |
| 987 | pRPacket->Ctrl == SK_RLMT_CTRL && |
| 988 | (pRPacket->SSap & ~LLC_COMMAND_RESPONSE_BIT) == SK_RLMT_SSAP && |
| 989 | pRPacket->Indicator[0] == SK_RLMT_INDICATOR0 && |
| 990 | pRPacket->Indicator[1] == SK_RLMT_INDICATOR1 && |
| 991 | pRPacket->Indicator[2] == SK_RLMT_INDICATOR2 && |
| 992 | pRPacket->Indicator[3] == SK_RLMT_INDICATOR3 && |
| 993 | pRPacket->Indicator[4] == SK_RLMT_INDICATOR4 && |
| 994 | pRPacket->Indicator[5] == SK_RLMT_INDICATOR5 && |
| 995 | pRPacket->Indicator[6] == SK_RLMT_INDICATOR6) { |
| 996 | |
| 997 | /* It's an RLMT packet. */ |
| 998 | PacketType = (SK_U16)((pRPacket->RlmtPacketType[0] << 8) | |
| 999 | pRPacket->RlmtPacketType[1]); |
| 1000 | |
| 1001 | switch (PacketType) { |
| 1002 | case SK_PACKET_ANNOUNCE: /* Not yet used. */ |
| 1003 | #if 0 |
| 1004 | /* Build the check chain. */ |
| 1005 | SkRlmtBuildCheckChain(pAC); |
| 1006 | #endif /* 0 */ |
| 1007 | |
| 1008 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1009 | ("SkRlmtPacketReceive: Announce.\n")) |
| 1010 | |
| 1011 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 1012 | break; |
| 1013 | |
| 1014 | case SK_PACKET_ALIVE: |
| 1015 | if (pRPacket->SSap & LLC_COMMAND_RESPONSE_BIT) { |
| 1016 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1017 | ("SkRlmtPacketReceive: Alive Reply.\n")) |
| 1018 | |
| 1019 | if (!(pAC->Addr.Port[PortNumber].PromMode & SK_PROM_MODE_LLC) || |
| 1020 | SK_ADDR_EQUAL( |
| 1021 | pRPacket->DstAddr, pAPort->CurrentMacAddress.a)) { |
| 1022 | /* Obviously we could send something. */ |
| 1023 | if (pRPort->CheckingState & SK_RLMT_PCS_TX) { |
| 1024 | pRPort->CheckingState &= ~SK_RLMT_PCS_TX; |
| 1025 | SkTimerStop(pAC, IoC, &pRPort->DownTxTimer); |
| 1026 | } |
| 1027 | |
| 1028 | if ((pRPort->PortState == SK_RLMT_PS_DOWN) && |
| 1029 | !(pRPort->CheckingState & SK_RLMT_PCS_RX)) { |
| 1030 | pRPort->PortState = SK_RLMT_PS_GOING_UP; |
| 1031 | pRPort->GuTimeStamp = SkOsGetTime(pAC); |
| 1032 | |
| 1033 | SkTimerStop(pAC, IoC, &pRPort->DownTxTimer); |
| 1034 | |
| 1035 | Para.Para32[0] = PortNumber; |
| 1036 | Para.Para32[1] = (SK_U32)-1; |
| 1037 | SkTimerStart(pAC, IoC, &pRPort->UpTimer, |
| 1038 | SK_RLMT_PORTUP_TIM_VAL, SKGE_RLMT, |
| 1039 | SK_RLMT_PORTUP_TIM, Para); |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | /* Mark sending port as alive? */ |
| 1044 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 1045 | } |
| 1046 | else { /* Alive Request Packet. */ |
| 1047 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1048 | ("SkRlmtPacketReceive: Alive Request.\n")) |
| 1049 | |
| 1050 | pRPort->RxHelloCts++; |
| 1051 | |
| 1052 | /* Answer. */ |
| 1053 | for (i = 0; i < SK_MAC_ADDR_LEN; i++) { |
| 1054 | pRPacket->DstAddr[i] = pRPacket->SrcAddr[i]; |
| 1055 | pRPacket->SrcAddr[i] = |
| 1056 | pAC->Addr.Port[PortNumber].CurrentMacAddress.a[i]; |
| 1057 | } |
| 1058 | pRPacket->SSap |= LLC_COMMAND_RESPONSE_BIT; |
| 1059 | |
| 1060 | Para.pParaPtr = pMb; |
| 1061 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 1062 | } |
| 1063 | break; |
| 1064 | |
| 1065 | case SK_PACKET_CHECK_TX: |
| 1066 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1067 | ("SkRlmtPacketReceive: Check your tx line.\n")) |
| 1068 | |
| 1069 | /* A port checking us requests us to check our tx line. */ |
| 1070 | pRPort->CheckingState |= SK_RLMT_PCS_TX; |
| 1071 | |
| 1072 | /* Start PortDownTx timer. */ |
| 1073 | Para.Para32[0] = PortNumber; |
| 1074 | Para.Para32[1] = (SK_U32)-1; |
| 1075 | SkTimerStart(pAC, IoC, &pRPort->DownTxTimer, |
| 1076 | SK_RLMT_PORTDOWN_TIM_VAL, SKGE_RLMT, |
| 1077 | SK_RLMT_PORTDOWN_TX_TIM, Para); |
| 1078 | |
| 1079 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 1080 | |
| 1081 | if ((Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, PortNumber, |
| 1082 | SK_PACKET_ALIVE, &pAC->Addr.Port[PortNumber].CurrentMacAddress, |
| 1083 | &SkRlmtMcAddr)) != NULL) { |
| 1084 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 1085 | } |
| 1086 | break; |
| 1087 | |
| 1088 | case SK_PACKET_ADDR_CHANGED: |
| 1089 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1090 | ("SkRlmtPacketReceive: Address Change.\n")) |
| 1091 | |
| 1092 | /* Build the check chain. */ |
| 1093 | SkRlmtBuildCheckChain(pAC, pRPort->Net->NetNumber); |
| 1094 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 1095 | break; |
| 1096 | |
| 1097 | default: |
| 1098 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1099 | ("SkRlmtPacketReceive: Unknown RLMT packet.\n")) |
| 1100 | |
| 1101 | /* RA;:;: ??? */ |
| 1102 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 1103 | } |
| 1104 | } |
| 1105 | else if (pSPacket->DSap == SK_RLMT_SPT_DSAP && |
| 1106 | pSPacket->Ctrl == SK_RLMT_SPT_CTRL && |
| 1107 | (pSPacket->SSap & ~LLC_COMMAND_RESPONSE_BIT) == SK_RLMT_SPT_SSAP) { |
| 1108 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1109 | ("SkRlmtPacketReceive: BPDU Packet.\n")) |
| 1110 | |
| 1111 | /* Spanning Tree packet. */ |
| 1112 | pRPort->RxSpHelloCts++; |
| 1113 | |
| 1114 | if (!SK_ADDR_EQUAL(&pSPacket->RootId[2], &pAC->Addr.Net[pAC->Rlmt. |
| 1115 | Port[PortNumber].Net->NetNumber].CurrentMacAddress.a[0])) { |
| 1116 | /* |
| 1117 | * Check segmentation if a new root bridge is set and |
| 1118 | * the segmentation check is not currently running. |
| 1119 | */ |
| 1120 | if (!SK_ADDR_EQUAL(&pSPacket->RootId[2], &pRPort->Root.Id[2]) && |
| 1121 | (pAC->Rlmt.Port[PortNumber].Net->LinksUp > 1) && |
| 1122 | (pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_SEG) |
| 1123 | != 0 && (pAC->Rlmt.Port[PortNumber].Net->CheckingState & |
| 1124 | SK_RLMT_RCS_SEG) == 0) { |
| 1125 | pAC->Rlmt.Port[PortNumber].Net->CheckingState |= |
| 1126 | SK_RLMT_RCS_START_SEG | SK_RLMT_RCS_SEND_SEG; |
| 1127 | } |
| 1128 | |
| 1129 | /* Store tree view of this port. */ |
| 1130 | for (i = 0; i < 8; i++) { |
| 1131 | pRPort->Root.Id[i] = pSPacket->RootId[i]; |
| 1132 | } |
| 1133 | pRPort->RootIdSet = SK_TRUE; |
| 1134 | |
| 1135 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_DUMP, |
| 1136 | ("Root ID %d: %02x %02x %02x %02x %02x %02x %02x %02x.\n", |
| 1137 | PortNumber, |
| 1138 | pRPort->Root.Id[0], pRPort->Root.Id[1], |
| 1139 | pRPort->Root.Id[2], pRPort->Root.Id[3], |
| 1140 | pRPort->Root.Id[4], pRPort->Root.Id[5], |
| 1141 | pRPort->Root.Id[6], pRPort->Root.Id[7])) |
| 1142 | } |
| 1143 | |
| 1144 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 1145 | if ((pAC->Rlmt.Port[PortNumber].Net->CheckingState & |
| 1146 | SK_RLMT_RCS_REPORT_SEG) != 0) { |
| 1147 | SkRlmtCheckSeg(pAC, IoC, pAC->Rlmt.Port[PortNumber].Net->NetNumber); |
| 1148 | } |
| 1149 | } |
| 1150 | else { |
| 1151 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX, |
| 1152 | ("SkRlmtPacketReceive: Unknown Packet Type.\n")) |
| 1153 | |
| 1154 | /* Unknown packet. */ |
| 1155 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 1156 | } |
| 1157 | return; |
| 1158 | } /* SkRlmtPacketReceive */ |
| 1159 | |
| 1160 | |
| 1161 | /****************************************************************************** |
| 1162 | * |
| 1163 | * SkRlmtCheckPort - check if a port works |
| 1164 | * |
| 1165 | * Description: |
| 1166 | * This routine checks if a port whose link is up received something |
| 1167 | * and if it seems to transmit successfully. |
| 1168 | * |
| 1169 | * # PortState: PsInit, PsLinkDown, PsDown, PsGoingUp, PsUp |
| 1170 | * # PortCheckingState (Bitfield): ChkTx, ChkRx, ChkSeg |
| 1171 | * # RlmtCheckingState (Bitfield): ChkSeg, StartChkSeg, ReportSeg |
| 1172 | * |
| 1173 | * if (Rx - RxBpdu == 0) { # No rx. |
| 1174 | * if (state == PsUp) { |
| 1175 | * PortCheckingState |= ChkRx |
| 1176 | * } |
| 1177 | * if (ModeCheckSeg && (Timeout == |
| 1178 | * TO_SHORTEN(RLMT_DEFAULT_TIMEOUT))) { |
| 1179 | * RlmtCheckingState |= ChkSeg) |
| 1180 | * PortCheckingState |= ChkSeg |
| 1181 | * } |
| 1182 | * NewTimeout = TO_SHORTEN(Timeout) |
| 1183 | * if (NewTimeout < RLMT_MIN_TIMEOUT) { |
| 1184 | * NewTimeout = RLMT_MIN_TIMEOUT |
| 1185 | * PortState = PsDown |
| 1186 | * ... |
| 1187 | * } |
| 1188 | * } |
| 1189 | * else { # something was received |
| 1190 | * # Set counter to 0 at LinkDown? |
| 1191 | * # No - rx may be reported after LinkDown ??? |
| 1192 | * PortCheckingState &= ~ChkRx |
| 1193 | * NewTimeout = RLMT_DEFAULT_TIMEOUT |
| 1194 | * if (RxAck == 0) { |
| 1195 | * possible reasons: |
| 1196 | * is my tx line bad? -- |
| 1197 | * send RLMT multicast and report |
| 1198 | * back internally? (only possible |
| 1199 | * between ports on same adapter) |
| 1200 | * } |
| 1201 | * if (RxChk == 0) { |
| 1202 | * possible reasons: |
| 1203 | * - tx line of port set to check me |
| 1204 | * maybe bad |
| 1205 | * - no other port/adapter available or set |
| 1206 | * to check me |
| 1207 | * - adapter checking me has a longer |
| 1208 | * timeout |
| 1209 | * ??? anything that can be done here? |
| 1210 | * } |
| 1211 | * } |
| 1212 | * |
| 1213 | * Context: |
| 1214 | * runtime, pageable? |
| 1215 | * |
| 1216 | * Returns: |
| 1217 | * New timeout value. |
| 1218 | */ |
| 1219 | RLMT_STATIC SK_U32 SkRlmtCheckPort( |
| 1220 | SK_AC *pAC, /* Adapter Context */ |
| 1221 | SK_IOC IoC, /* I/O Context */ |
| 1222 | SK_U32 PortNumber) /* Port to check */ |
| 1223 | { |
| 1224 | unsigned i; |
| 1225 | SK_U32 NewTimeout; |
| 1226 | SK_RLMT_PORT *pRPort; |
| 1227 | SK_EVPARA Para; |
| 1228 | |
| 1229 | pRPort = &pAC->Rlmt.Port[PortNumber]; |
| 1230 | |
| 1231 | if ((pRPort->PacketsPerTimeSlot - pRPort->BpduPacketsPerTimeSlot) == 0) { |
| 1232 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1233 | ("SkRlmtCheckPort %d: No (%d) receives in last time slot.\n", |
| 1234 | PortNumber, pRPort->PacketsPerTimeSlot)) |
| 1235 | |
| 1236 | /* |
| 1237 | * Check segmentation if there was no receive at least twice |
| 1238 | * in a row (PortNoRx is already set) and the segmentation |
| 1239 | * check is not currently running. |
| 1240 | */ |
| 1241 | |
| 1242 | if (pRPort->PortNoRx && (pAC->Rlmt.Port[PortNumber].Net->LinksUp > 1) && |
| 1243 | (pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_SEG) && |
| 1244 | !(pAC->Rlmt.Port[PortNumber].Net->CheckingState & SK_RLMT_RCS_SEG)) { |
| 1245 | pAC->Rlmt.Port[PortNumber].Net->CheckingState |= |
| 1246 | SK_RLMT_RCS_START_SEG | SK_RLMT_RCS_SEND_SEG; |
| 1247 | } |
| 1248 | |
| 1249 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1250 | ("SkRlmtCheckPort: PortsSuspect %d, PcsRx %d.\n", |
| 1251 | pRPort->PortsSuspect, pRPort->CheckingState & SK_RLMT_PCS_RX)) |
| 1252 | |
| 1253 | if (pRPort->PortState != SK_RLMT_PS_DOWN) { |
| 1254 | NewTimeout = TO_SHORTEN(pAC->Rlmt.Port[PortNumber].Net->TimeoutValue); |
| 1255 | if (NewTimeout < SK_RLMT_MIN_TO_VAL) { |
| 1256 | NewTimeout = SK_RLMT_MIN_TO_VAL; |
| 1257 | } |
| 1258 | |
| 1259 | if (!(pRPort->CheckingState & SK_RLMT_PCS_RX)) { |
| 1260 | Para.Para32[0] = PortNumber; |
| 1261 | pRPort->CheckingState |= SK_RLMT_PCS_RX; |
| 1262 | |
| 1263 | /* |
| 1264 | * What shall we do if the port checked by this one receives |
| 1265 | * our request frames? What's bad - our rx line or his tx line? |
| 1266 | */ |
| 1267 | Para.Para32[1] = (SK_U32)-1; |
| 1268 | SkTimerStart(pAC, IoC, &pRPort->DownRxTimer, |
| 1269 | SK_RLMT_PORTDOWN_TIM_VAL, SKGE_RLMT, |
| 1270 | SK_RLMT_PORTDOWN_RX_TIM, Para); |
| 1271 | |
| 1272 | for (i = 0; i < pRPort->PortsChecked; i++) { |
| 1273 | if (pRPort->PortCheck[i].SuspectTx) { |
| 1274 | continue; |
| 1275 | } |
| 1276 | pRPort->PortCheck[i].SuspectTx = SK_TRUE; |
| 1277 | pRPort->PortsSuspect++; |
| 1278 | if ((Para.pParaPtr = |
| 1279 | SkRlmtBuildPacket(pAC, IoC, PortNumber, SK_PACKET_CHECK_TX, |
| 1280 | &pAC->Addr.Port[PortNumber].CurrentMacAddress, |
| 1281 | &pRPort->PortCheck[i].CheckAddr)) != NULL) { |
| 1282 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 1283 | } |
| 1284 | } |
| 1285 | } |
| 1286 | } |
| 1287 | else { /* PortDown -- or all partners suspect. */ |
| 1288 | NewTimeout = SK_RLMT_DEF_TO_VAL; |
| 1289 | } |
| 1290 | pRPort->PortNoRx = SK_TRUE; |
| 1291 | } |
| 1292 | else { /* A non-BPDU packet was received. */ |
| 1293 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1294 | ("SkRlmtCheckPort %d: %d (%d) receives in last time slot.\n", |
| 1295 | PortNumber, |
| 1296 | pRPort->PacketsPerTimeSlot - pRPort->BpduPacketsPerTimeSlot, |
| 1297 | pRPort->PacketsPerTimeSlot)) |
| 1298 | |
| 1299 | SkRlmtPortReceives(pAC, IoC, PortNumber); |
| 1300 | if (pAC->Rlmt.CheckSwitch) { |
| 1301 | SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber); |
| 1302 | } |
| 1303 | |
| 1304 | NewTimeout = SK_RLMT_DEF_TO_VAL; |
| 1305 | } |
| 1306 | |
| 1307 | return (NewTimeout); |
| 1308 | } /* SkRlmtCheckPort */ |
| 1309 | |
| 1310 | |
| 1311 | /****************************************************************************** |
| 1312 | * |
| 1313 | * SkRlmtSelectBcRx - select new active port, criteria 1 (CLP) |
| 1314 | * |
| 1315 | * Description: |
| 1316 | * This routine selects the port that received a broadcast frame |
| 1317 | * substantially later than all other ports. |
| 1318 | * |
| 1319 | * Context: |
| 1320 | * runtime, pageable? |
| 1321 | * |
| 1322 | * Returns: |
| 1323 | * SK_BOOL |
| 1324 | */ |
| 1325 | RLMT_STATIC SK_BOOL SkRlmtSelectBcRx( |
| 1326 | SK_AC *pAC, /* Adapter Context */ |
| 1327 | SK_IOC IoC, /* I/O Context */ |
| 1328 | SK_U32 Active, /* Active port */ |
| 1329 | SK_U32 PrefPort, /* Preferred port */ |
| 1330 | SK_U32 *pSelect) /* New active port */ |
| 1331 | { |
| 1332 | SK_U64 BcTimeStamp; |
| 1333 | SK_U32 i; |
| 1334 | SK_BOOL PortFound; |
| 1335 | |
| 1336 | BcTimeStamp = 0; /* Not totally necessary, but feeling better. */ |
| 1337 | PortFound = SK_FALSE; |
| 1338 | |
| 1339 | /* Select port with the latest TimeStamp. */ |
| 1340 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 1341 | |
| 1342 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1343 | ("TimeStamp Port %d (Down: %d, NoRx: %d): %08x %08x.\n", |
| 1344 | i, |
| 1345 | pAC->Rlmt.Port[i].PortDown, pAC->Rlmt.Port[i].PortNoRx, |
| 1346 | *((SK_U32*)(&pAC->Rlmt.Port[i].BcTimeStamp) + OFFS_HI32), |
| 1347 | *((SK_U32*)(&pAC->Rlmt.Port[i].BcTimeStamp) + OFFS_LO32))) |
| 1348 | |
| 1349 | if (!pAC->Rlmt.Port[i].PortDown && !pAC->Rlmt.Port[i].PortNoRx) { |
| 1350 | if (!PortFound || pAC->Rlmt.Port[i].BcTimeStamp > BcTimeStamp) { |
| 1351 | BcTimeStamp = pAC->Rlmt.Port[i].BcTimeStamp; |
| 1352 | *pSelect = i; |
| 1353 | PortFound = SK_TRUE; |
| 1354 | } |
| 1355 | } |
| 1356 | } |
| 1357 | |
| 1358 | if (PortFound) { |
| 1359 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1360 | ("Port %d received the last broadcast.\n", *pSelect)) |
| 1361 | |
| 1362 | /* Look if another port's time stamp is similar. */ |
| 1363 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 1364 | if (i == *pSelect) { |
| 1365 | continue; |
| 1366 | } |
| 1367 | if (!pAC->Rlmt.Port[i].PortDown && !pAC->Rlmt.Port[i].PortNoRx && |
| 1368 | (pAC->Rlmt.Port[i].BcTimeStamp > |
| 1369 | BcTimeStamp - SK_RLMT_BC_DELTA || |
| 1370 | pAC->Rlmt.Port[i].BcTimeStamp + |
| 1371 | SK_RLMT_BC_DELTA > BcTimeStamp)) { |
| 1372 | PortFound = SK_FALSE; |
| 1373 | |
| 1374 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1375 | ("Port %d received a broadcast at a similar time.\n", i)) |
| 1376 | break; |
| 1377 | } |
| 1378 | } |
| 1379 | } |
| 1380 | |
| 1381 | #ifdef DEBUG |
| 1382 | if (PortFound) { |
| 1383 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1384 | ("SK_RLMT_SELECT_BCRX found Port %d receiving the substantially " |
| 1385 | "latest broadcast (%u).\n", |
| 1386 | *pSelect, |
| 1387 | BcTimeStamp - pAC->Rlmt.Port[1 - *pSelect].BcTimeStamp)) |
| 1388 | } |
| 1389 | #endif /* DEBUG */ |
| 1390 | |
| 1391 | return (PortFound); |
| 1392 | } /* SkRlmtSelectBcRx */ |
| 1393 | |
| 1394 | |
| 1395 | /****************************************************************************** |
| 1396 | * |
| 1397 | * SkRlmtSelectNotSuspect - select new active port, criteria 2 (CLP) |
| 1398 | * |
| 1399 | * Description: |
| 1400 | * This routine selects a good port (it is PortUp && !SuspectRx). |
| 1401 | * |
| 1402 | * Context: |
| 1403 | * runtime, pageable? |
| 1404 | * |
| 1405 | * Returns: |
| 1406 | * SK_BOOL |
| 1407 | */ |
| 1408 | RLMT_STATIC SK_BOOL SkRlmtSelectNotSuspect( |
| 1409 | SK_AC *pAC, /* Adapter Context */ |
| 1410 | SK_IOC IoC, /* I/O Context */ |
| 1411 | SK_U32 Active, /* Active port */ |
| 1412 | SK_U32 PrefPort, /* Preferred port */ |
| 1413 | SK_U32 *pSelect) /* New active port */ |
| 1414 | { |
| 1415 | SK_U32 i; |
| 1416 | SK_BOOL PortFound; |
| 1417 | |
| 1418 | PortFound = SK_FALSE; |
| 1419 | |
| 1420 | /* Select first port that is PortUp && !SuspectRx. */ |
| 1421 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 1422 | if (!pAC->Rlmt.Port[i].PortDown && |
| 1423 | !(pAC->Rlmt.Port[i].CheckingState & SK_RLMT_PCS_RX)) { |
| 1424 | *pSelect = i; |
| 1425 | if (!pAC->Rlmt.Port[Active].PortDown && |
| 1426 | !(pAC->Rlmt.Port[Active].CheckingState & SK_RLMT_PCS_RX)) { |
| 1427 | *pSelect = Active; |
| 1428 | } |
| 1429 | if (!pAC->Rlmt.Port[PrefPort].PortDown && |
| 1430 | !(pAC->Rlmt.Port[PrefPort].CheckingState & SK_RLMT_PCS_RX)) { |
| 1431 | *pSelect = PrefPort; |
| 1432 | } |
| 1433 | PortFound = SK_TRUE; |
| 1434 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1435 | ("SK_RLMT_SELECT_NOTSUSPECT found Port %d up and not check RX.\n", |
| 1436 | *pSelect)) |
| 1437 | break; |
| 1438 | } |
| 1439 | } |
| 1440 | return (PortFound); |
| 1441 | } /* SkRlmtSelectNotSuspect */ |
| 1442 | |
| 1443 | |
| 1444 | /****************************************************************************** |
| 1445 | * |
| 1446 | * SkRlmtSelectUp - select new active port, criteria 3, 4 (CLP) |
| 1447 | * |
| 1448 | * Description: |
| 1449 | * This routine selects a port that is up. |
| 1450 | * |
| 1451 | * Context: |
| 1452 | * runtime, pageable? |
| 1453 | * |
| 1454 | * Returns: |
| 1455 | * SK_BOOL |
| 1456 | */ |
| 1457 | RLMT_STATIC SK_BOOL SkRlmtSelectUp( |
| 1458 | SK_AC *pAC, /* Adapter Context */ |
| 1459 | SK_IOC IoC, /* I/O Context */ |
| 1460 | SK_U32 Active, /* Active port */ |
| 1461 | SK_U32 PrefPort, /* Preferred port */ |
| 1462 | SK_U32 *pSelect, /* New active port */ |
| 1463 | SK_BOOL AutoNegDone) /* Successfully auto-negotiated? */ |
| 1464 | { |
| 1465 | SK_U32 i; |
| 1466 | SK_BOOL PortFound; |
| 1467 | |
| 1468 | PortFound = SK_FALSE; |
| 1469 | |
| 1470 | /* Select first port that is PortUp. */ |
| 1471 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 1472 | if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_UP && |
| 1473 | pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) { |
| 1474 | *pSelect = i; |
| 1475 | if (pAC->Rlmt.Port[Active].PortState == SK_RLMT_PS_UP && |
| 1476 | pAC->GIni.GP[Active].PAutoNegFail != AutoNegDone) { |
| 1477 | *pSelect = Active; |
| 1478 | } |
| 1479 | if (pAC->Rlmt.Port[PrefPort].PortState == SK_RLMT_PS_UP && |
| 1480 | pAC->GIni.GP[PrefPort].PAutoNegFail != AutoNegDone) { |
| 1481 | *pSelect = PrefPort; |
| 1482 | } |
| 1483 | PortFound = SK_TRUE; |
| 1484 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1485 | ("SK_RLMT_SELECT_UP found Port %d up.\n", *pSelect)) |
| 1486 | break; |
| 1487 | } |
| 1488 | } |
| 1489 | return (PortFound); |
| 1490 | } /* SkRlmtSelectUp */ |
| 1491 | |
| 1492 | |
| 1493 | /****************************************************************************** |
| 1494 | * |
| 1495 | * SkRlmtSelectGoingUp - select new active port, criteria 5, 6 (CLP) |
| 1496 | * |
| 1497 | * Description: |
| 1498 | * This routine selects the port that is going up for the longest time. |
| 1499 | * |
| 1500 | * Context: |
| 1501 | * runtime, pageable? |
| 1502 | * |
| 1503 | * Returns: |
| 1504 | * SK_BOOL |
| 1505 | */ |
| 1506 | RLMT_STATIC SK_BOOL SkRlmtSelectGoingUp( |
| 1507 | SK_AC *pAC, /* Adapter Context */ |
| 1508 | SK_IOC IoC, /* I/O Context */ |
| 1509 | SK_U32 Active, /* Active port */ |
| 1510 | SK_U32 PrefPort, /* Preferred port */ |
| 1511 | SK_U32 *pSelect, /* New active port */ |
| 1512 | SK_BOOL AutoNegDone) /* Successfully auto-negotiated? */ |
| 1513 | { |
| 1514 | SK_U64 GuTimeStamp; |
| 1515 | SK_U32 i; |
| 1516 | SK_BOOL PortFound; |
| 1517 | |
| 1518 | GuTimeStamp = 0; |
| 1519 | PortFound = SK_FALSE; |
| 1520 | |
| 1521 | /* Select port that is PortGoingUp for the longest time. */ |
| 1522 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 1523 | if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_GOING_UP && |
| 1524 | pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) { |
| 1525 | GuTimeStamp = pAC->Rlmt.Port[i].GuTimeStamp; |
| 1526 | *pSelect = i; |
| 1527 | PortFound = SK_TRUE; |
| 1528 | break; |
| 1529 | } |
| 1530 | } |
| 1531 | |
| 1532 | if (!PortFound) { |
| 1533 | return (SK_FALSE); |
| 1534 | } |
| 1535 | |
| 1536 | for (i = *pSelect + 1; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 1537 | if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_GOING_UP && |
| 1538 | pAC->Rlmt.Port[i].GuTimeStamp < GuTimeStamp && |
| 1539 | pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) { |
| 1540 | GuTimeStamp = pAC->Rlmt.Port[i].GuTimeStamp; |
| 1541 | *pSelect = i; |
| 1542 | } |
| 1543 | } |
| 1544 | |
| 1545 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1546 | ("SK_RLMT_SELECT_GOINGUP found Port %d going up.\n", *pSelect)) |
| 1547 | return (SK_TRUE); |
| 1548 | } /* SkRlmtSelectGoingUp */ |
| 1549 | |
| 1550 | |
| 1551 | /****************************************************************************** |
| 1552 | * |
| 1553 | * SkRlmtSelectDown - select new active port, criteria 7, 8 (CLP) |
| 1554 | * |
| 1555 | * Description: |
| 1556 | * This routine selects a port that is down. |
| 1557 | * |
| 1558 | * Context: |
| 1559 | * runtime, pageable? |
| 1560 | * |
| 1561 | * Returns: |
| 1562 | * SK_BOOL |
| 1563 | */ |
| 1564 | RLMT_STATIC SK_BOOL SkRlmtSelectDown( |
| 1565 | SK_AC *pAC, /* Adapter Context */ |
| 1566 | SK_IOC IoC, /* I/O Context */ |
| 1567 | SK_U32 Active, /* Active port */ |
| 1568 | SK_U32 PrefPort, /* Preferred port */ |
| 1569 | SK_U32 *pSelect, /* New active port */ |
| 1570 | SK_BOOL AutoNegDone) /* Successfully auto-negotiated? */ |
| 1571 | { |
| 1572 | SK_U32 i; |
| 1573 | SK_BOOL PortFound; |
| 1574 | |
| 1575 | PortFound = SK_FALSE; |
| 1576 | |
| 1577 | /* Select first port that is PortDown. */ |
| 1578 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 1579 | if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_DOWN && |
| 1580 | pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) { |
| 1581 | *pSelect = i; |
| 1582 | if (pAC->Rlmt.Port[Active].PortState == SK_RLMT_PS_DOWN && |
| 1583 | pAC->GIni.GP[Active].PAutoNegFail != AutoNegDone) { |
| 1584 | *pSelect = Active; |
| 1585 | } |
| 1586 | if (pAC->Rlmt.Port[PrefPort].PortState == SK_RLMT_PS_DOWN && |
| 1587 | pAC->GIni.GP[PrefPort].PAutoNegFail != AutoNegDone) { |
| 1588 | *pSelect = PrefPort; |
| 1589 | } |
| 1590 | PortFound = SK_TRUE; |
| 1591 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1592 | ("SK_RLMT_SELECT_DOWN found Port %d down.\n", *pSelect)) |
| 1593 | break; |
| 1594 | } |
| 1595 | } |
| 1596 | return (PortFound); |
| 1597 | } /* SkRlmtSelectDown */ |
| 1598 | |
| 1599 | |
| 1600 | /****************************************************************************** |
| 1601 | * |
| 1602 | * SkRlmtCheckSwitch - select new active port and switch to it |
| 1603 | * |
| 1604 | * Description: |
| 1605 | * This routine decides which port should be the active one and queues |
| 1606 | * port switching if necessary. |
| 1607 | * |
| 1608 | * Context: |
| 1609 | * runtime, pageable? |
| 1610 | * |
| 1611 | * Returns: |
| 1612 | * Nothing. |
| 1613 | */ |
| 1614 | RLMT_STATIC void SkRlmtCheckSwitch( |
| 1615 | SK_AC *pAC, /* Adapter Context */ |
| 1616 | SK_IOC IoC, /* I/O Context */ |
| 1617 | SK_U32 NetIdx) /* Net index */ |
| 1618 | { |
| 1619 | SK_EVPARA Para; |
| 1620 | SK_U32 Active; |
| 1621 | SK_U32 PrefPort; |
| 1622 | SK_U32 i; |
| 1623 | SK_BOOL PortFound; |
| 1624 | |
| 1625 | Active = pAC->Rlmt.Net[NetIdx].ActivePort; /* Index of active port. */ |
| 1626 | PrefPort = pAC->Rlmt.Net[NetIdx].PrefPort; /* Index of preferred port. */ |
| 1627 | PortFound = SK_FALSE; |
| 1628 | pAC->Rlmt.CheckSwitch = SK_FALSE; |
| 1629 | |
| 1630 | #if 0 /* RW 2001/10/18 - active port becomes always prefered one */ |
| 1631 | if (pAC->Rlmt.Net[NetIdx].Preference == 0xFFFFFFFF) { /* Automatic */ |
| 1632 | /* disable auto-fail back */ |
| 1633 | PrefPort = Active; |
| 1634 | } |
| 1635 | #endif |
| 1636 | |
| 1637 | if (pAC->Rlmt.Net[NetIdx].LinksUp == 0) { |
| 1638 | /* Last link went down - shut down the net. */ |
| 1639 | pAC->Rlmt.Net[NetIdx].RlmtState = SK_RLMT_RS_NET_DOWN; |
| 1640 | Para.Para32[0] = SK_RLMT_NET_DOWN_TEMP; |
| 1641 | Para.Para32[1] = NetIdx; |
| 1642 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_NET_DOWN, Para); |
| 1643 | |
| 1644 | Para.Para32[0] = pAC->Rlmt.Net[NetIdx]. |
| 1645 | Port[pAC->Rlmt.Net[NetIdx].ActivePort]->PortNumber; |
| 1646 | Para.Para32[1] = NetIdx; |
| 1647 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_DOWN, Para); |
| 1648 | return; |
| 1649 | } /* pAC->Rlmt.LinksUp == 0 */ |
| 1650 | else if (pAC->Rlmt.Net[NetIdx].LinksUp == 1 && |
| 1651 | pAC->Rlmt.Net[NetIdx].RlmtState == SK_RLMT_RS_NET_DOWN) { |
| 1652 | /* First link came up - get the net up. */ |
| 1653 | pAC->Rlmt.Net[NetIdx].RlmtState = SK_RLMT_RS_NET_UP; |
| 1654 | |
| 1655 | /* |
| 1656 | * If pAC->Rlmt.ActivePort != Para.Para32[0], |
| 1657 | * the DRV switches to the port that came up. |
| 1658 | */ |
| 1659 | for (i = 0; i < pAC->Rlmt.Net[NetIdx].NumPorts; i++) { |
| 1660 | if (!pAC->Rlmt.Net[NetIdx].Port[i]->LinkDown) { |
| 1661 | if (!pAC->Rlmt.Net[NetIdx].Port[Active]->LinkDown) { |
| 1662 | i = Active; |
| 1663 | } |
| 1664 | if (!pAC->Rlmt.Net[NetIdx].Port[PrefPort]->LinkDown) { |
| 1665 | i = PrefPort; |
| 1666 | } |
| 1667 | PortFound = SK_TRUE; |
| 1668 | break; |
| 1669 | } |
| 1670 | } |
| 1671 | |
| 1672 | if (PortFound) { |
| 1673 | Para.Para32[0] = pAC->Rlmt.Net[NetIdx].Port[i]->PortNumber; |
| 1674 | Para.Para32[1] = NetIdx; |
| 1675 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_UP, Para); |
| 1676 | |
| 1677 | pAC->Rlmt.Net[NetIdx].ActivePort = i; |
| 1678 | Para.Para32[0] = pAC->Rlmt.Net[NetIdx].Port[i]->PortNumber; |
| 1679 | Para.Para32[1] = NetIdx; |
| 1680 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_NET_UP, Para); |
| 1681 | |
| 1682 | if ((pAC->Rlmt.Net[NetIdx].RlmtMode & SK_RLMT_TRANSPARENT) == 0 && |
| 1683 | (Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, |
| 1684 | pAC->Rlmt.Net[NetIdx].Port[i]->PortNumber, |
| 1685 | SK_PACKET_ANNOUNCE, &pAC->Addr.Net[NetIdx]. |
| 1686 | CurrentMacAddress, &SkRlmtMcAddr)) != NULL) { |
| 1687 | /* |
| 1688 | * Send announce packet to RLMT multicast address to force |
| 1689 | * switches to learn the new location of the logical MAC address. |
| 1690 | */ |
| 1691 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 1692 | } |
| 1693 | } |
| 1694 | else { |
| 1695 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E007, SKERR_RLMT_E007_MSG); |
| 1696 | } |
| 1697 | |
| 1698 | return; |
| 1699 | } /* LinksUp == 1 && RlmtState == SK_RLMT_RS_NET_DOWN */ |
| 1700 | else { /* Cannot be reached in dual-net mode. */ |
| 1701 | Para.Para32[0] = Active; |
| 1702 | |
| 1703 | /* |
| 1704 | * Preselection: |
| 1705 | * If RLMT Mode != CheckLinkState |
| 1706 | * select port that received a broadcast frame substantially later |
| 1707 | * than all other ports |
| 1708 | * else select first port that is not SuspectRx |
| 1709 | * else select first port that is PortUp |
| 1710 | * else select port that is PortGoingUp for the longest time |
| 1711 | * else select first port that is PortDown |
| 1712 | * else stop. |
| 1713 | * |
| 1714 | * For the preselected port: |
| 1715 | * If ActivePort is equal in quality, select ActivePort. |
| 1716 | * |
| 1717 | * If PrefPort is equal in quality, select PrefPort. |
| 1718 | * |
| 1719 | * If ActivePort != SelectedPort, |
| 1720 | * If old ActivePort is LinkDown, |
| 1721 | * SwitchHard |
| 1722 | * else |
| 1723 | * SwitchSoft |
| 1724 | */ |
| 1725 | /* check of ChgBcPrio flag added */ |
| 1726 | if ((pAC->Rlmt.Net[0].RlmtMode != SK_RLMT_MODE_CLS) && |
| 1727 | (!pAC->Rlmt.Net[0].ChgBcPrio)) { |
| 1728 | |
| 1729 | if (!PortFound) { |
| 1730 | PortFound = SkRlmtSelectBcRx( |
| 1731 | pAC, IoC, Active, PrefPort, &Para.Para32[1]); |
| 1732 | } |
| 1733 | |
| 1734 | if (!PortFound) { |
| 1735 | PortFound = SkRlmtSelectNotSuspect( |
| 1736 | pAC, IoC, Active, PrefPort, &Para.Para32[1]); |
| 1737 | } |
| 1738 | } /* pAC->Rlmt.RlmtMode != SK_RLMT_MODE_CLS */ |
| 1739 | |
| 1740 | /* with changed priority for last broadcast received */ |
| 1741 | if ((pAC->Rlmt.Net[0].RlmtMode != SK_RLMT_MODE_CLS) && |
| 1742 | (pAC->Rlmt.Net[0].ChgBcPrio)) { |
| 1743 | if (!PortFound) { |
| 1744 | PortFound = SkRlmtSelectNotSuspect( |
| 1745 | pAC, IoC, Active, PrefPort, &Para.Para32[1]); |
| 1746 | } |
| 1747 | |
| 1748 | if (!PortFound) { |
| 1749 | PortFound = SkRlmtSelectBcRx( |
| 1750 | pAC, IoC, Active, PrefPort, &Para.Para32[1]); |
| 1751 | } |
| 1752 | } /* pAC->Rlmt.RlmtMode != SK_RLMT_MODE_CLS */ |
| 1753 | |
| 1754 | if (!PortFound) { |
| 1755 | PortFound = SkRlmtSelectUp( |
| 1756 | pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_SUCCESS); |
| 1757 | } |
| 1758 | |
| 1759 | if (!PortFound) { |
| 1760 | PortFound = SkRlmtSelectUp( |
| 1761 | pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_FAILED); |
| 1762 | } |
| 1763 | |
| 1764 | if (!PortFound) { |
| 1765 | PortFound = SkRlmtSelectGoingUp( |
| 1766 | pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_SUCCESS); |
| 1767 | } |
| 1768 | |
| 1769 | if (!PortFound) { |
| 1770 | PortFound = SkRlmtSelectGoingUp( |
| 1771 | pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_FAILED); |
| 1772 | } |
| 1773 | |
| 1774 | if (pAC->Rlmt.Net[0].RlmtMode != SK_RLMT_MODE_CLS) { |
| 1775 | if (!PortFound) { |
| 1776 | PortFound = SkRlmtSelectDown(pAC, IoC, |
| 1777 | Active, PrefPort, &Para.Para32[1], AUTONEG_SUCCESS); |
| 1778 | } |
| 1779 | |
| 1780 | if (!PortFound) { |
| 1781 | PortFound = SkRlmtSelectDown(pAC, IoC, |
| 1782 | Active, PrefPort, &Para.Para32[1], AUTONEG_FAILED); |
| 1783 | } |
| 1784 | } /* pAC->Rlmt.RlmtMode != SK_RLMT_MODE_CLS */ |
| 1785 | |
| 1786 | if (PortFound) { |
| 1787 | |
| 1788 | if (Para.Para32[1] != Active) { |
| 1789 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1790 | ("Active: %d, Para1: %d.\n", Active, Para.Para32[1])) |
| 1791 | pAC->Rlmt.Net[NetIdx].ActivePort = Para.Para32[1]; |
| 1792 | Para.Para32[0] = pAC->Rlmt.Net[NetIdx]. |
| 1793 | Port[Para.Para32[0]]->PortNumber; |
| 1794 | Para.Para32[1] = pAC->Rlmt.Net[NetIdx]. |
| 1795 | Port[Para.Para32[1]]->PortNumber; |
| 1796 | SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[1], SK_LED_ACTIVE); |
| 1797 | if (pAC->Rlmt.Port[Active].LinkDown) { |
| 1798 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_SWITCH_HARD, Para); |
| 1799 | } |
| 1800 | else { |
| 1801 | SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_STANDBY); |
| 1802 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_SWITCH_SOFT, Para); |
| 1803 | } |
| 1804 | Para.Para32[1] = NetIdx; |
| 1805 | Para.Para32[0] = |
| 1806 | pAC->Rlmt.Net[NetIdx].Port[Para.Para32[0]]->PortNumber; |
| 1807 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_DOWN, Para); |
| 1808 | Para.Para32[0] = pAC->Rlmt.Net[NetIdx]. |
| 1809 | Port[pAC->Rlmt.Net[NetIdx].ActivePort]->PortNumber; |
| 1810 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_UP, Para); |
| 1811 | if ((pAC->Rlmt.Net[NetIdx].RlmtMode & SK_RLMT_TRANSPARENT) == 0 && |
| 1812 | (Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, Para.Para32[0], |
| 1813 | SK_PACKET_ANNOUNCE, &pAC->Addr.Net[NetIdx].CurrentMacAddress, |
| 1814 | &SkRlmtMcAddr)) != NULL) { |
| 1815 | /* |
| 1816 | * Send announce packet to RLMT multicast address to force |
| 1817 | * switches to learn the new location of the logical |
| 1818 | * MAC address. |
| 1819 | */ |
| 1820 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para); |
| 1821 | } /* (Para.pParaPtr = SkRlmtBuildPacket(...)) != NULL */ |
| 1822 | } /* Para.Para32[1] != Active */ |
| 1823 | } /* PortFound */ |
| 1824 | else { |
| 1825 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E004, SKERR_RLMT_E004_MSG); |
| 1826 | } |
| 1827 | } /* LinksUp > 1 || LinksUp == 1 && RlmtState != SK_RLMT_RS_NET_DOWN */ |
| 1828 | return; |
| 1829 | } /* SkRlmtCheckSwitch */ |
| 1830 | |
| 1831 | |
| 1832 | /****************************************************************************** |
| 1833 | * |
| 1834 | * SkRlmtCheckSeg - Report if segmentation is detected |
| 1835 | * |
| 1836 | * Description: |
| 1837 | * This routine checks if the ports see different root bridges and reports |
| 1838 | * segmentation in such a case. |
| 1839 | * |
| 1840 | * Context: |
| 1841 | * runtime, pageable? |
| 1842 | * |
| 1843 | * Returns: |
| 1844 | * Nothing. |
| 1845 | */ |
| 1846 | RLMT_STATIC void SkRlmtCheckSeg( |
| 1847 | SK_AC *pAC, /* Adapter Context */ |
| 1848 | SK_IOC IoC, /* I/O Context */ |
| 1849 | SK_U32 NetIdx) /* Net number */ |
| 1850 | { |
| 1851 | SK_EVPARA Para; |
| 1852 | SK_RLMT_NET *pNet; |
| 1853 | SK_U32 i, j; |
| 1854 | SK_BOOL Equal; |
| 1855 | |
| 1856 | pNet = &pAC->Rlmt.Net[NetIdx]; |
| 1857 | pNet->RootIdSet = SK_FALSE; |
| 1858 | Equal = SK_TRUE; |
| 1859 | |
| 1860 | for (i = 0; i < pNet->NumPorts; i++) { |
| 1861 | if (pNet->Port[i]->LinkDown || !pNet->Port[i]->RootIdSet) { |
| 1862 | continue; |
| 1863 | } |
| 1864 | |
| 1865 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_DUMP, |
| 1866 | ("Root ID %d: %02x %02x %02x %02x %02x %02x %02x %02x.\n", i, |
| 1867 | pNet->Port[i]->Root.Id[0], pNet->Port[i]->Root.Id[1], |
| 1868 | pNet->Port[i]->Root.Id[2], pNet->Port[i]->Root.Id[3], |
| 1869 | pNet->Port[i]->Root.Id[4], pNet->Port[i]->Root.Id[5], |
| 1870 | pNet->Port[i]->Root.Id[6], pNet->Port[i]->Root.Id[7])) |
| 1871 | |
| 1872 | if (!pNet->RootIdSet) { |
| 1873 | pNet->Root = pNet->Port[i]->Root; |
| 1874 | pNet->RootIdSet = SK_TRUE; |
| 1875 | continue; |
| 1876 | } |
| 1877 | |
| 1878 | for (j = 0; j < 8; j ++) { |
| 1879 | Equal &= pNet->Port[i]->Root.Id[j] == pNet->Root.Id[j]; |
| 1880 | if (!Equal) { |
| 1881 | break; |
| 1882 | } |
| 1883 | } |
| 1884 | |
| 1885 | if (!Equal) { |
| 1886 | SK_ERR_LOG(pAC, SK_ERRCL_COMM, SKERR_RLMT_E005, SKERR_RLMT_E005_MSG); |
| 1887 | Para.Para32[0] = NetIdx; |
| 1888 | Para.Para32[1] = (SK_U32)-1; |
| 1889 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_SEGMENTATION, Para); |
| 1890 | |
| 1891 | pNet->CheckingState &= ~SK_RLMT_RCS_REPORT_SEG; |
| 1892 | |
| 1893 | /* 2000-03-06 RA: New. */ |
| 1894 | Para.Para32[0] = NetIdx; |
| 1895 | Para.Para32[1] = (SK_U32)-1; |
| 1896 | SkTimerStart(pAC, IoC, &pNet->SegTimer, SK_RLMT_SEG_TO_VAL, |
| 1897 | SKGE_RLMT, SK_RLMT_SEG_TIM, Para); |
| 1898 | break; |
| 1899 | } |
| 1900 | } /* for (i = 0; i < pNet->NumPorts; i++) */ |
| 1901 | |
| 1902 | /* 2000-03-06 RA: Moved here. */ |
| 1903 | /* Segmentation check not running anymore. */ |
| 1904 | pNet->CheckingState &= ~SK_RLMT_RCS_SEG; |
| 1905 | |
| 1906 | } /* SkRlmtCheckSeg */ |
| 1907 | |
| 1908 | |
| 1909 | /****************************************************************************** |
| 1910 | * |
| 1911 | * SkRlmtPortStart - initialize port variables and start port |
| 1912 | * |
| 1913 | * Description: |
| 1914 | * This routine initializes a port's variables and issues a PORT_START |
| 1915 | * to the HWAC module. This handles retries if the start fails or the |
| 1916 | * link eventually goes down. |
| 1917 | * |
| 1918 | * Context: |
| 1919 | * runtime, pageable? |
| 1920 | * |
| 1921 | * Returns: |
| 1922 | * Nothing |
| 1923 | */ |
| 1924 | RLMT_STATIC void SkRlmtPortStart( |
| 1925 | SK_AC *pAC, /* Adapter Context */ |
| 1926 | SK_IOC IoC, /* I/O Context */ |
| 1927 | SK_U32 PortNumber) /* Port number */ |
| 1928 | { |
| 1929 | SK_EVPARA Para; |
| 1930 | |
| 1931 | pAC->Rlmt.Port[PortNumber].PortState = SK_RLMT_PS_LINK_DOWN; |
| 1932 | pAC->Rlmt.Port[PortNumber].PortStarted = SK_TRUE; |
| 1933 | pAC->Rlmt.Port[PortNumber].LinkDown = SK_TRUE; |
| 1934 | pAC->Rlmt.Port[PortNumber].PortDown = SK_TRUE; |
| 1935 | pAC->Rlmt.Port[PortNumber].CheckingState = 0; |
| 1936 | pAC->Rlmt.Port[PortNumber].RootIdSet = SK_FALSE; |
| 1937 | Para.Para32[0] = PortNumber; |
| 1938 | Para.Para32[1] = (SK_U32)-1; |
| 1939 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para); |
| 1940 | } /* SkRlmtPortStart */ |
| 1941 | |
| 1942 | |
| 1943 | /****************************************************************************** |
| 1944 | * |
| 1945 | * SkRlmtEvtPortStartTim - PORT_START_TIM |
| 1946 | * |
| 1947 | * Description: |
| 1948 | * This routine handles PORT_START_TIM events. |
| 1949 | * |
| 1950 | * Context: |
| 1951 | * runtime, pageable? |
| 1952 | * may be called after SK_INIT_IO |
| 1953 | * |
| 1954 | * Returns: |
| 1955 | * Nothing |
| 1956 | */ |
| 1957 | RLMT_STATIC void SkRlmtEvtPortStartTim( |
| 1958 | SK_AC *pAC, /* Adapter Context */ |
| 1959 | SK_IOC IoC, /* I/O Context */ |
| 1960 | SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */ |
| 1961 | { |
| 1962 | SK_U32 i; |
| 1963 | |
| 1964 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1965 | ("SK_RLMT_PORTSTART_TIMEOUT Port %d Event BEGIN.\n", Para.Para32[0])) |
| 1966 | |
| 1967 | if (Para.Para32[1] != (SK_U32)-1) { |
| 1968 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1969 | ("Bad Parameter.\n")) |
| 1970 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1971 | ("SK_RLMT_PORTSTART_TIMEOUT Event EMPTY.\n")) |
| 1972 | return; |
| 1973 | } |
| 1974 | |
| 1975 | /* |
| 1976 | * Used to start non-preferred ports if the preferred one |
| 1977 | * does not come up. |
| 1978 | * This timeout needs only be set when starting the first |
| 1979 | * (preferred) port. |
| 1980 | */ |
| 1981 | if (pAC->Rlmt.Port[Para.Para32[0]].LinkDown) { |
| 1982 | /* PORT_START failed. */ |
| 1983 | for (i = 0; i < pAC->Rlmt.Port[Para.Para32[0]].Net->NumPorts; i++) { |
| 1984 | if (!pAC->Rlmt.Port[Para.Para32[0]].Net->Port[i]->PortStarted) { |
| 1985 | SkRlmtPortStart(pAC, IoC, |
| 1986 | pAC->Rlmt.Port[Para.Para32[0]].Net->Port[i]->PortNumber); |
| 1987 | } |
| 1988 | } |
| 1989 | } |
| 1990 | |
| 1991 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 1992 | ("SK_RLMT_PORTSTART_TIMEOUT Event END.\n")) |
| 1993 | } /* SkRlmtEvtPortStartTim */ |
| 1994 | |
| 1995 | |
| 1996 | /****************************************************************************** |
| 1997 | * |
| 1998 | * SkRlmtEvtLinkUp - LINK_UP |
| 1999 | * |
| 2000 | * Description: |
| 2001 | * This routine handles LLINK_UP events. |
| 2002 | * |
| 2003 | * Context: |
| 2004 | * runtime, pageable? |
| 2005 | * may be called after SK_INIT_IO |
| 2006 | * |
| 2007 | * Returns: |
| 2008 | * Nothing |
| 2009 | */ |
| 2010 | RLMT_STATIC void SkRlmtEvtLinkUp( |
| 2011 | SK_AC *pAC, /* Adapter Context */ |
| 2012 | SK_IOC IoC, /* I/O Context */ |
| 2013 | SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 Undefined */ |
| 2014 | { |
| 2015 | SK_U32 i; |
| 2016 | SK_RLMT_PORT *pRPort; |
| 2017 | SK_EVPARA Para2; |
| 2018 | |
| 2019 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2020 | ("SK_RLMT_LINK_UP Port %d Event BEGIN.\n", Para.Para32[0])) |
| 2021 | |
| 2022 | pRPort = &pAC->Rlmt.Port[Para.Para32[0]]; |
| 2023 | if (!pRPort->PortStarted) { |
| 2024 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E008, SKERR_RLMT_E008_MSG); |
| 2025 | |
| 2026 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2027 | ("SK_RLMT_LINK_UP Event EMPTY.\n")) |
| 2028 | return; |
| 2029 | } |
| 2030 | |
| 2031 | if (!pRPort->LinkDown) { |
| 2032 | /* RA;:;: Any better solution? */ |
| 2033 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2034 | ("SK_RLMT_LINK_UP Event EMPTY.\n")) |
| 2035 | return; |
| 2036 | } |
| 2037 | |
| 2038 | SkTimerStop(pAC, IoC, &pRPort->UpTimer); |
| 2039 | SkTimerStop(pAC, IoC, &pRPort->DownRxTimer); |
| 2040 | SkTimerStop(pAC, IoC, &pRPort->DownTxTimer); |
| 2041 | |
| 2042 | /* Do something if timer already fired? */ |
| 2043 | |
| 2044 | pRPort->LinkDown = SK_FALSE; |
| 2045 | pRPort->PortState = SK_RLMT_PS_GOING_UP; |
| 2046 | pRPort->GuTimeStamp = SkOsGetTime(pAC); |
| 2047 | pRPort->BcTimeStamp = 0; |
| 2048 | pRPort->Net->LinksUp++; |
| 2049 | if (pRPort->Net->LinksUp == 1) { |
| 2050 | SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_ACTIVE); |
| 2051 | } |
| 2052 | else { |
| 2053 | SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_STANDBY); |
| 2054 | } |
| 2055 | |
| 2056 | for (i = 0; i < pRPort->Net->NumPorts; i++) { |
| 2057 | if (!pRPort->Net->Port[i]->PortStarted) { |
| 2058 | SkRlmtPortStart(pAC, IoC, pRPort->Net->Port[i]->PortNumber); |
| 2059 | } |
| 2060 | } |
| 2061 | |
| 2062 | SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber); |
| 2063 | |
| 2064 | if (pRPort->Net->LinksUp >= 2) { |
| 2065 | if (pRPort->Net->RlmtMode & SK_RLMT_CHECK_LOC_LINK) { |
| 2066 | /* Build the check chain. */ |
| 2067 | SkRlmtBuildCheckChain(pAC, pRPort->Net->NetNumber); |
| 2068 | } |
| 2069 | } |
| 2070 | |
| 2071 | /* If the first link comes up, start the periodical RLMT timeout. */ |
| 2072 | if (pRPort->Net->NumPorts > 1 && pRPort->Net->LinksUp == 1 && |
| 2073 | (pRPort->Net->RlmtMode & SK_RLMT_CHECK_OTHERS) != 0) { |
| 2074 | Para2.Para32[0] = pRPort->Net->NetNumber; |
| 2075 | Para2.Para32[1] = (SK_U32)-1; |
| 2076 | SkTimerStart(pAC, IoC, &pRPort->Net->LocTimer, |
| 2077 | pRPort->Net->TimeoutValue, SKGE_RLMT, SK_RLMT_TIM, Para2); |
| 2078 | } |
| 2079 | |
| 2080 | Para2 = Para; |
| 2081 | Para2.Para32[1] = (SK_U32)-1; |
| 2082 | SkTimerStart(pAC, IoC, &pRPort->UpTimer, SK_RLMT_PORTUP_TIM_VAL, |
| 2083 | SKGE_RLMT, SK_RLMT_PORTUP_TIM, Para2); |
| 2084 | |
| 2085 | /* Later: if (pAC->Rlmt.RlmtMode & SK_RLMT_CHECK_LOC_LINK) && */ |
| 2086 | if ((pRPort->Net->RlmtMode & SK_RLMT_TRANSPARENT) == 0 && |
| 2087 | (pRPort->Net->RlmtMode & SK_RLMT_CHECK_LINK) != 0 && |
| 2088 | (Para2.pParaPtr = |
| 2089 | SkRlmtBuildPacket(pAC, IoC, Para.Para32[0], SK_PACKET_ANNOUNCE, |
| 2090 | &pAC->Addr.Port[Para.Para32[0]].CurrentMacAddress, &SkRlmtMcAddr) |
| 2091 | ) != NULL) { |
| 2092 | /* Send "new" packet to RLMT multicast address. */ |
| 2093 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para2); |
| 2094 | } |
| 2095 | |
| 2096 | if (pRPort->Net->RlmtMode & SK_RLMT_CHECK_SEG) { |
| 2097 | if ((Para2.pParaPtr = |
| 2098 | SkRlmtBuildSpanningTreePacket(pAC, IoC, Para.Para32[0])) != NULL) { |
| 2099 | pAC->Rlmt.Port[Para.Para32[0]].RootIdSet = SK_FALSE; |
| 2100 | pRPort->Net->CheckingState |= |
| 2101 | SK_RLMT_RCS_SEG | SK_RLMT_RCS_REPORT_SEG; |
| 2102 | |
| 2103 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para2); |
| 2104 | |
| 2105 | Para.Para32[1] = (SK_U32)-1; |
| 2106 | SkTimerStart(pAC, IoC, &pRPort->Net->SegTimer, |
| 2107 | SK_RLMT_SEG_TO_VAL, SKGE_RLMT, SK_RLMT_SEG_TIM, Para); |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2112 | ("SK_RLMT_LINK_UP Event END.\n")) |
| 2113 | } /* SkRlmtEvtLinkUp */ |
| 2114 | |
| 2115 | |
| 2116 | /****************************************************************************** |
| 2117 | * |
| 2118 | * SkRlmtEvtPortUpTim - PORT_UP_TIM |
| 2119 | * |
| 2120 | * Description: |
| 2121 | * This routine handles PORT_UP_TIM events. |
| 2122 | * |
| 2123 | * Context: |
| 2124 | * runtime, pageable? |
| 2125 | * may be called after SK_INIT_IO |
| 2126 | * |
| 2127 | * Returns: |
| 2128 | * Nothing |
| 2129 | */ |
| 2130 | RLMT_STATIC void SkRlmtEvtPortUpTim( |
| 2131 | SK_AC *pAC, /* Adapter Context */ |
| 2132 | SK_IOC IoC, /* I/O Context */ |
| 2133 | SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */ |
| 2134 | { |
| 2135 | SK_RLMT_PORT *pRPort; |
| 2136 | |
| 2137 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2138 | ("SK_RLMT_PORTUP_TIM Port %d Event BEGIN.\n", Para.Para32[0])) |
| 2139 | |
| 2140 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2141 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2142 | ("Bad Parameter.\n")) |
| 2143 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2144 | ("SK_RLMT_PORTUP_TIM Event EMPTY.\n")) |
| 2145 | return; |
| 2146 | } |
| 2147 | |
| 2148 | pRPort = &pAC->Rlmt.Port[Para.Para32[0]]; |
| 2149 | if (pRPort->LinkDown || (pRPort->PortState == SK_RLMT_PS_UP)) { |
| 2150 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2151 | ("SK_RLMT_PORTUP_TIM Port %d Event EMPTY.\n", Para.Para32[0])) |
| 2152 | return; |
| 2153 | } |
| 2154 | |
| 2155 | pRPort->PortDown = SK_FALSE; |
| 2156 | pRPort->PortState = SK_RLMT_PS_UP; |
| 2157 | pRPort->Net->PortsUp++; |
| 2158 | if (pRPort->Net->RlmtState != SK_RLMT_RS_INIT) { |
| 2159 | if (pAC->Rlmt.NumNets <= 1) { |
| 2160 | SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber); |
| 2161 | } |
| 2162 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_PORT_UP, Para); |
| 2163 | } |
| 2164 | |
| 2165 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2166 | ("SK_RLMT_PORTUP_TIM Event END.\n")) |
| 2167 | } /* SkRlmtEvtPortUpTim */ |
| 2168 | |
| 2169 | |
| 2170 | /****************************************************************************** |
| 2171 | * |
| 2172 | * SkRlmtEvtPortDownTim - PORT_DOWN_* |
| 2173 | * |
| 2174 | * Description: |
| 2175 | * This routine handles PORT_DOWN_* events. |
| 2176 | * |
| 2177 | * Context: |
| 2178 | * runtime, pageable? |
| 2179 | * may be called after SK_INIT_IO |
| 2180 | * |
| 2181 | * Returns: |
| 2182 | * Nothing |
| 2183 | */ |
| 2184 | RLMT_STATIC void SkRlmtEvtPortDownX( |
| 2185 | SK_AC *pAC, /* Adapter Context */ |
| 2186 | SK_IOC IoC, /* I/O Context */ |
| 2187 | SK_U32 Event, /* Event code */ |
| 2188 | SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */ |
| 2189 | { |
| 2190 | SK_RLMT_PORT *pRPort; |
| 2191 | |
| 2192 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2193 | ("SK_RLMT_PORTDOWN* Port %d Event (%d) BEGIN.\n", |
| 2194 | Para.Para32[0], Event)) |
| 2195 | |
| 2196 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2197 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2198 | ("Bad Parameter.\n")) |
| 2199 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2200 | ("SK_RLMT_PORTDOWN* Event EMPTY.\n")) |
| 2201 | return; |
| 2202 | } |
| 2203 | |
| 2204 | pRPort = &pAC->Rlmt.Port[Para.Para32[0]]; |
| 2205 | if (!pRPort->PortStarted || (Event == SK_RLMT_PORTDOWN_TX_TIM && |
| 2206 | !(pRPort->CheckingState & SK_RLMT_PCS_TX))) { |
| 2207 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2208 | ("SK_RLMT_PORTDOWN* Event (%d) EMPTY.\n", Event)) |
| 2209 | return; |
| 2210 | } |
| 2211 | |
| 2212 | /* Stop port's timers. */ |
| 2213 | SkTimerStop(pAC, IoC, &pRPort->UpTimer); |
| 2214 | SkTimerStop(pAC, IoC, &pRPort->DownRxTimer); |
| 2215 | SkTimerStop(pAC, IoC, &pRPort->DownTxTimer); |
| 2216 | |
| 2217 | if (pRPort->PortState != SK_RLMT_PS_LINK_DOWN) { |
| 2218 | pRPort->PortState = SK_RLMT_PS_DOWN; |
| 2219 | } |
| 2220 | |
| 2221 | if (!pRPort->PortDown) { |
| 2222 | pRPort->Net->PortsUp--; |
| 2223 | pRPort->PortDown = SK_TRUE; |
| 2224 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_PORT_DOWN, Para); |
| 2225 | } |
| 2226 | |
| 2227 | pRPort->PacketsPerTimeSlot = 0; |
| 2228 | /* pRPort->DataPacketsPerTimeSlot = 0; */ |
| 2229 | pRPort->BpduPacketsPerTimeSlot = 0; |
| 2230 | pRPort->BcTimeStamp = 0; |
| 2231 | |
| 2232 | /* |
| 2233 | * RA;:;: To be checked: |
| 2234 | * - actions at RLMT_STOP: We should not switch anymore. |
| 2235 | */ |
| 2236 | if (pRPort->Net->RlmtState != SK_RLMT_RS_INIT) { |
| 2237 | if (Para.Para32[0] == |
| 2238 | pRPort->Net->Port[pRPort->Net->ActivePort]->PortNumber) { |
| 2239 | /* Active Port went down. */ |
| 2240 | SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber); |
| 2241 | } |
| 2242 | } |
| 2243 | |
| 2244 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2245 | ("SK_RLMT_PORTDOWN* Event (%d) END.\n", Event)) |
| 2246 | } /* SkRlmtEvtPortDownX */ |
| 2247 | |
| 2248 | |
| 2249 | /****************************************************************************** |
| 2250 | * |
| 2251 | * SkRlmtEvtLinkDown - LINK_DOWN |
| 2252 | * |
| 2253 | * Description: |
| 2254 | * This routine handles LINK_DOWN events. |
| 2255 | * |
| 2256 | * Context: |
| 2257 | * runtime, pageable? |
| 2258 | * may be called after SK_INIT_IO |
| 2259 | * |
| 2260 | * Returns: |
| 2261 | * Nothing |
| 2262 | */ |
| 2263 | RLMT_STATIC void SkRlmtEvtLinkDown( |
| 2264 | SK_AC *pAC, /* Adapter Context */ |
| 2265 | SK_IOC IoC, /* I/O Context */ |
| 2266 | SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 Undefined */ |
| 2267 | { |
| 2268 | SK_RLMT_PORT *pRPort; |
| 2269 | |
| 2270 | pRPort = &pAC->Rlmt.Port[Para.Para32[0]]; |
| 2271 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2272 | ("SK_RLMT_LINK_DOWN Port %d Event BEGIN.\n", Para.Para32[0])) |
| 2273 | |
| 2274 | if (!pAC->Rlmt.Port[Para.Para32[0]].LinkDown) { |
| 2275 | pRPort->Net->LinksUp--; |
| 2276 | pRPort->LinkDown = SK_TRUE; |
| 2277 | pRPort->PortState = SK_RLMT_PS_LINK_DOWN; |
| 2278 | SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_OFF); |
| 2279 | |
| 2280 | if ((pRPort->Net->RlmtMode & SK_RLMT_CHECK_LOC_LINK) != 0) { |
| 2281 | /* Build the check chain. */ |
| 2282 | SkRlmtBuildCheckChain(pAC, pRPort->Net->NetNumber); |
| 2283 | } |
| 2284 | |
| 2285 | /* Ensure that port is marked down. */ |
| 2286 | Para.Para32[1] = -1; |
| 2287 | (void)SkRlmtEvent(pAC, IoC, SK_RLMT_PORTDOWN, Para); |
| 2288 | } |
| 2289 | |
| 2290 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2291 | ("SK_RLMT_LINK_DOWN Event END.\n")) |
| 2292 | } /* SkRlmtEvtLinkDown */ |
| 2293 | |
| 2294 | |
| 2295 | /****************************************************************************** |
| 2296 | * |
| 2297 | * SkRlmtEvtPortAddr - PORT_ADDR |
| 2298 | * |
| 2299 | * Description: |
| 2300 | * This routine handles PORT_ADDR events. |
| 2301 | * |
| 2302 | * Context: |
| 2303 | * runtime, pageable? |
| 2304 | * may be called after SK_INIT_IO |
| 2305 | * |
| 2306 | * Returns: |
| 2307 | * Nothing |
| 2308 | */ |
| 2309 | RLMT_STATIC void SkRlmtEvtPortAddr( |
| 2310 | SK_AC *pAC, /* Adapter Context */ |
| 2311 | SK_IOC IoC, /* I/O Context */ |
| 2312 | SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */ |
| 2313 | { |
| 2314 | SK_U32 i, j; |
| 2315 | SK_RLMT_PORT *pRPort; |
| 2316 | SK_MAC_ADDR *pOldMacAddr; |
| 2317 | SK_MAC_ADDR *pNewMacAddr; |
| 2318 | |
| 2319 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2320 | ("SK_RLMT_PORT_ADDR Port %d Event BEGIN.\n", Para.Para32[0])) |
| 2321 | |
| 2322 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2323 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2324 | ("Bad Parameter.\n")) |
| 2325 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2326 | ("SK_RLMT_PORT_ADDR Event EMPTY.\n")) |
| 2327 | return; |
| 2328 | } |
| 2329 | |
| 2330 | /* Port's physical MAC address changed. */ |
| 2331 | pOldMacAddr = &pAC->Addr.Port[Para.Para32[0]].PreviousMacAddress; |
| 2332 | pNewMacAddr = &pAC->Addr.Port[Para.Para32[0]].CurrentMacAddress; |
| 2333 | |
| 2334 | /* |
| 2335 | * NOTE: This is not scalable for solutions where ports are |
| 2336 | * checked remotely. There, we need to send an RLMT |
| 2337 | * address change packet - and how do we ensure delivery? |
| 2338 | */ |
| 2339 | for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) { |
| 2340 | pRPort = &pAC->Rlmt.Port[i]; |
| 2341 | for (j = 0; j < pRPort->PortsChecked; j++) { |
| 2342 | if (SK_ADDR_EQUAL( |
| 2343 | pRPort->PortCheck[j].CheckAddr.a, pOldMacAddr->a)) { |
| 2344 | pRPort->PortCheck[j].CheckAddr = *pNewMacAddr; |
| 2345 | } |
| 2346 | } |
| 2347 | } |
| 2348 | |
| 2349 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2350 | ("SK_RLMT_PORT_ADDR Event END.\n")) |
| 2351 | } /* SkRlmtEvtPortAddr */ |
| 2352 | |
| 2353 | |
| 2354 | /****************************************************************************** |
| 2355 | * |
| 2356 | * SkRlmtEvtStart - START |
| 2357 | * |
| 2358 | * Description: |
| 2359 | * This routine handles START events. |
| 2360 | * |
| 2361 | * Context: |
| 2362 | * runtime, pageable? |
| 2363 | * may be called after SK_INIT_IO |
| 2364 | * |
| 2365 | * Returns: |
| 2366 | * Nothing |
| 2367 | */ |
| 2368 | RLMT_STATIC void SkRlmtEvtStart( |
| 2369 | SK_AC *pAC, /* Adapter Context */ |
| 2370 | SK_IOC IoC, /* I/O Context */ |
| 2371 | SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */ |
| 2372 | { |
| 2373 | SK_EVPARA Para2; |
| 2374 | SK_U32 PortIdx; |
| 2375 | SK_U32 PortNumber; |
| 2376 | |
| 2377 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2378 | ("SK_RLMT_START Net %d Event BEGIN.\n", Para.Para32[0])) |
| 2379 | |
| 2380 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2381 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2382 | ("Bad Parameter.\n")) |
| 2383 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2384 | ("SK_RLMT_START Event EMPTY.\n")) |
| 2385 | return; |
| 2386 | } |
| 2387 | |
| 2388 | if (Para.Para32[0] >= pAC->Rlmt.NumNets) { |
| 2389 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2390 | ("Bad NetNumber %d.\n", Para.Para32[0])) |
| 2391 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2392 | ("SK_RLMT_START Event EMPTY.\n")) |
| 2393 | return; |
| 2394 | } |
| 2395 | |
| 2396 | if (pAC->Rlmt.Net[Para.Para32[0]].RlmtState != SK_RLMT_RS_INIT) { |
| 2397 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2398 | ("SK_RLMT_START Event EMPTY.\n")) |
| 2399 | return; |
| 2400 | } |
| 2401 | |
| 2402 | if (pAC->Rlmt.NetsStarted >= pAC->Rlmt.NumNets) { |
| 2403 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2404 | ("All nets should have been started.\n")) |
| 2405 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2406 | ("SK_RLMT_START Event EMPTY.\n")) |
| 2407 | return; |
| 2408 | } |
| 2409 | |
| 2410 | if (pAC->Rlmt.Net[Para.Para32[0]].PrefPort >= |
| 2411 | pAC->Rlmt.Net[Para.Para32[0]].NumPorts) { |
| 2412 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E009, SKERR_RLMT_E009_MSG); |
| 2413 | |
| 2414 | /* Change PrefPort to internal default. */ |
| 2415 | Para2.Para32[0] = 0xFFFFFFFF; |
| 2416 | Para2.Para32[1] = Para.Para32[0]; |
| 2417 | (void)SkRlmtEvent(pAC, IoC, SK_RLMT_PREFPORT_CHANGE, Para2); |
| 2418 | } |
| 2419 | |
| 2420 | PortIdx = pAC->Rlmt.Net[Para.Para32[0]].PrefPort; |
| 2421 | PortNumber = pAC->Rlmt.Net[Para.Para32[0]].Port[PortIdx]->PortNumber; |
| 2422 | |
| 2423 | pAC->Rlmt.Net[Para.Para32[0]].LinksUp = 0; |
| 2424 | pAC->Rlmt.Net[Para.Para32[0]].PortsUp = 0; |
| 2425 | pAC->Rlmt.Net[Para.Para32[0]].CheckingState = 0; |
| 2426 | pAC->Rlmt.Net[Para.Para32[0]].RlmtState = SK_RLMT_RS_NET_DOWN; |
| 2427 | |
| 2428 | /* Start preferred port. */ |
| 2429 | SkRlmtPortStart(pAC, IoC, PortNumber); |
| 2430 | |
| 2431 | /* Start Timer (for first port only). */ |
| 2432 | Para2.Para32[0] = PortNumber; |
| 2433 | Para2.Para32[1] = (SK_U32)-1; |
| 2434 | SkTimerStart(pAC, IoC, &pAC->Rlmt.Port[PortNumber].UpTimer, |
| 2435 | SK_RLMT_PORTSTART_TIM_VAL, SKGE_RLMT, SK_RLMT_PORTSTART_TIM, Para2); |
| 2436 | |
| 2437 | pAC->Rlmt.NetsStarted++; |
| 2438 | |
| 2439 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2440 | ("SK_RLMT_START Event END.\n")) |
| 2441 | } /* SkRlmtEvtStart */ |
| 2442 | |
| 2443 | |
| 2444 | /****************************************************************************** |
| 2445 | * |
| 2446 | * SkRlmtEvtStop - STOP |
| 2447 | * |
| 2448 | * Description: |
| 2449 | * This routine handles STOP events. |
| 2450 | * |
| 2451 | * Context: |
| 2452 | * runtime, pageable? |
| 2453 | * may be called after SK_INIT_IO |
| 2454 | * |
| 2455 | * Returns: |
| 2456 | * Nothing |
| 2457 | */ |
| 2458 | RLMT_STATIC void SkRlmtEvtStop( |
| 2459 | SK_AC *pAC, /* Adapter Context */ |
| 2460 | SK_IOC IoC, /* I/O Context */ |
| 2461 | SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */ |
| 2462 | { |
| 2463 | SK_EVPARA Para2; |
| 2464 | SK_U32 PortNumber; |
| 2465 | SK_U32 i; |
| 2466 | |
| 2467 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2468 | ("SK_RLMT_STOP Net %d Event BEGIN.\n", Para.Para32[0])) |
| 2469 | |
| 2470 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2471 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2472 | ("Bad Parameter.\n")) |
| 2473 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2474 | ("SK_RLMT_STOP Event EMPTY.\n")) |
| 2475 | return; |
| 2476 | } |
| 2477 | |
| 2478 | if (Para.Para32[0] >= pAC->Rlmt.NumNets) { |
| 2479 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2480 | ("Bad NetNumber %d.\n", Para.Para32[0])) |
| 2481 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2482 | ("SK_RLMT_STOP Event EMPTY.\n")) |
| 2483 | return; |
| 2484 | } |
| 2485 | |
| 2486 | if (pAC->Rlmt.Net[Para.Para32[0]].RlmtState == SK_RLMT_RS_INIT) { |
| 2487 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2488 | ("SK_RLMT_STOP Event EMPTY.\n")) |
| 2489 | return; |
| 2490 | } |
| 2491 | |
| 2492 | if (pAC->Rlmt.NetsStarted == 0) { |
| 2493 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2494 | ("All nets are stopped.\n")) |
| 2495 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2496 | ("SK_RLMT_STOP Event EMPTY.\n")) |
| 2497 | return; |
| 2498 | } |
| 2499 | |
| 2500 | /* Stop RLMT timers. */ |
| 2501 | SkTimerStop(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].LocTimer); |
| 2502 | SkTimerStop(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].SegTimer); |
| 2503 | |
| 2504 | /* Stop net. */ |
| 2505 | pAC->Rlmt.Net[Para.Para32[0]].RlmtState = SK_RLMT_RS_INIT; |
| 2506 | pAC->Rlmt.Net[Para.Para32[0]].RootIdSet = SK_FALSE; |
| 2507 | Para2.Para32[0] = SK_RLMT_NET_DOWN_FINAL; |
| 2508 | Para2.Para32[1] = Para.Para32[0]; /* Net# */ |
| 2509 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_NET_DOWN, Para2); |
| 2510 | |
| 2511 | /* Stop ports. */ |
| 2512 | for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) { |
| 2513 | PortNumber = pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber; |
| 2514 | if (pAC->Rlmt.Port[PortNumber].PortState != SK_RLMT_PS_INIT) { |
| 2515 | SkTimerStop(pAC, IoC, &pAC->Rlmt.Port[PortNumber].UpTimer); |
| 2516 | SkTimerStop(pAC, IoC, &pAC->Rlmt.Port[PortNumber].DownRxTimer); |
| 2517 | SkTimerStop(pAC, IoC, &pAC->Rlmt.Port[PortNumber].DownTxTimer); |
| 2518 | |
| 2519 | pAC->Rlmt.Port[PortNumber].PortState = SK_RLMT_PS_INIT; |
| 2520 | pAC->Rlmt.Port[PortNumber].RootIdSet = SK_FALSE; |
| 2521 | pAC->Rlmt.Port[PortNumber].PortStarted = SK_FALSE; |
| 2522 | Para2.Para32[0] = PortNumber; |
| 2523 | Para2.Para32[1] = (SK_U32)-1; |
| 2524 | SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para2); |
| 2525 | } |
| 2526 | } |
| 2527 | |
| 2528 | pAC->Rlmt.NetsStarted--; |
| 2529 | |
| 2530 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2531 | ("SK_RLMT_STOP Event END.\n")) |
| 2532 | } /* SkRlmtEvtStop */ |
| 2533 | |
| 2534 | |
| 2535 | /****************************************************************************** |
| 2536 | * |
| 2537 | * SkRlmtEvtTim - TIM |
| 2538 | * |
| 2539 | * Description: |
| 2540 | * This routine handles TIM events. |
| 2541 | * |
| 2542 | * Context: |
| 2543 | * runtime, pageable? |
| 2544 | * may be called after SK_INIT_IO |
| 2545 | * |
| 2546 | * Returns: |
| 2547 | * Nothing |
| 2548 | */ |
| 2549 | RLMT_STATIC void SkRlmtEvtTim( |
| 2550 | SK_AC *pAC, /* Adapter Context */ |
| 2551 | SK_IOC IoC, /* I/O Context */ |
| 2552 | SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */ |
| 2553 | { |
| 2554 | SK_RLMT_PORT *pRPort; |
| 2555 | SK_U32 Timeout; |
| 2556 | SK_U32 NewTimeout; |
| 2557 | SK_U32 PortNumber; |
| 2558 | SK_U32 i; |
| 2559 | |
| 2560 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2561 | ("SK_RLMT_TIM Event BEGIN.\n")) |
| 2562 | |
| 2563 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2564 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2565 | ("Bad Parameter.\n")) |
| 2566 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2567 | ("SK_RLMT_TIM Event EMPTY.\n")) |
| 2568 | return; |
| 2569 | } |
| 2570 | |
| 2571 | if ((pAC->Rlmt.Net[Para.Para32[0]].RlmtMode & SK_RLMT_CHECK_OTHERS) == 0 || |
| 2572 | pAC->Rlmt.Net[Para.Para32[0]].LinksUp == 0) { |
| 2573 | /* Mode changed or all links down: No more link checking. */ |
| 2574 | return; |
| 2575 | } |
| 2576 | |
| 2577 | #if 0 |
| 2578 | pAC->Rlmt.SwitchCheckCounter--; |
| 2579 | if (pAC->Rlmt.SwitchCheckCounter == 0) { |
| 2580 | pAC->Rlmt.SwitchCheckCounter; |
| 2581 | } |
| 2582 | #endif /* 0 */ |
| 2583 | |
| 2584 | NewTimeout = SK_RLMT_DEF_TO_VAL; |
| 2585 | for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) { |
| 2586 | PortNumber = pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber; |
| 2587 | pRPort = &pAC->Rlmt.Port[PortNumber]; |
| 2588 | if (!pRPort->LinkDown) { |
| 2589 | Timeout = SkRlmtCheckPort(pAC, IoC, PortNumber); |
| 2590 | if (Timeout < NewTimeout) { |
| 2591 | NewTimeout = Timeout; |
| 2592 | } |
| 2593 | |
| 2594 | /* |
| 2595 | * These counters should be set to 0 for all ports before the |
| 2596 | * first frame is sent in the next loop. |
| 2597 | */ |
| 2598 | pRPort->PacketsPerTimeSlot = 0; |
| 2599 | /* pRPort->DataPacketsPerTimeSlot = 0; */ |
| 2600 | pRPort->BpduPacketsPerTimeSlot = 0; |
| 2601 | } |
| 2602 | } |
| 2603 | pAC->Rlmt.Net[Para.Para32[0]].TimeoutValue = NewTimeout; |
| 2604 | |
| 2605 | if (pAC->Rlmt.Net[Para.Para32[0]].LinksUp > 1) { |
| 2606 | /* |
| 2607 | * If checking remote ports, also send packets if |
| 2608 | * (LinksUp == 1) && |
| 2609 | * this port checks at least one (remote) port. |
| 2610 | */ |
| 2611 | |
| 2612 | /* |
| 2613 | * Must be new loop, as SkRlmtCheckPort can request to |
| 2614 | * check segmentation when e.g. checking the last port. |
| 2615 | */ |
| 2616 | for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) { |
| 2617 | if (!pAC->Rlmt.Net[Para.Para32[0]].Port[i]->LinkDown) { |
| 2618 | SkRlmtSend(pAC, IoC, |
| 2619 | pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber); |
| 2620 | } |
| 2621 | } |
| 2622 | } |
| 2623 | |
| 2624 | SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].LocTimer, |
| 2625 | pAC->Rlmt.Net[Para.Para32[0]].TimeoutValue, SKGE_RLMT, SK_RLMT_TIM, |
| 2626 | Para); |
| 2627 | |
| 2628 | if (pAC->Rlmt.Net[Para.Para32[0]].LinksUp > 1 && |
| 2629 | (pAC->Rlmt.Net[Para.Para32[0]].RlmtMode & SK_RLMT_CHECK_SEG) && |
| 2630 | (pAC->Rlmt.Net[Para.Para32[0]].CheckingState & SK_RLMT_RCS_START_SEG)) { |
| 2631 | SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].SegTimer, |
| 2632 | SK_RLMT_SEG_TO_VAL, SKGE_RLMT, SK_RLMT_SEG_TIM, Para); |
| 2633 | pAC->Rlmt.Net[Para.Para32[0]].CheckingState &= ~SK_RLMT_RCS_START_SEG; |
| 2634 | pAC->Rlmt.Net[Para.Para32[0]].CheckingState |= |
| 2635 | SK_RLMT_RCS_SEG | SK_RLMT_RCS_REPORT_SEG; |
| 2636 | } |
| 2637 | |
| 2638 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2639 | ("SK_RLMT_TIM Event END.\n")) |
| 2640 | } /* SkRlmtEvtTim */ |
| 2641 | |
| 2642 | |
| 2643 | /****************************************************************************** |
| 2644 | * |
| 2645 | * SkRlmtEvtSegTim - SEG_TIM |
| 2646 | * |
| 2647 | * Description: |
| 2648 | * This routine handles SEG_TIM events. |
| 2649 | * |
| 2650 | * Context: |
| 2651 | * runtime, pageable? |
| 2652 | * may be called after SK_INIT_IO |
| 2653 | * |
| 2654 | * Returns: |
| 2655 | * Nothing |
| 2656 | */ |
| 2657 | RLMT_STATIC void SkRlmtEvtSegTim( |
| 2658 | SK_AC *pAC, /* Adapter Context */ |
| 2659 | SK_IOC IoC, /* I/O Context */ |
| 2660 | SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */ |
| 2661 | { |
| 2662 | #ifdef xDEBUG |
| 2663 | int j; |
| 2664 | #endif /* DEBUG */ |
| 2665 | |
| 2666 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2667 | ("SK_RLMT_SEG_TIM Event BEGIN.\n")) |
| 2668 | |
| 2669 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2670 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2671 | ("Bad Parameter.\n")) |
| 2672 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2673 | ("SK_RLMT_SEG_TIM Event EMPTY.\n")) |
| 2674 | return; |
| 2675 | } |
| 2676 | |
| 2677 | #ifdef xDEBUG |
| 2678 | for (j = 0; j < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; j++) { |
| 2679 | SK_ADDR_PORT *pAPort; |
| 2680 | SK_U32 k; |
| 2681 | SK_U16 *InAddr; |
| 2682 | SK_U8 InAddr8[6]; |
| 2683 | |
| 2684 | InAddr = (SK_U16 *)&InAddr8[0]; |
| 2685 | pAPort = pAC->Rlmt.Net[Para.Para32[0]].Port[j]->AddrPort; |
| 2686 | for (k = 0; k < pAPort->NextExactMatchRlmt; k++) { |
| 2687 | /* Get exact match address k from port j. */ |
| 2688 | XM_INADDR(IoC, pAC->Rlmt.Net[Para.Para32[0]].Port[j]->PortNumber, |
| 2689 | XM_EXM(k), InAddr); |
| 2690 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2691 | ("MC address %d on Port %u: %02x %02x %02x %02x %02x %02x -- %02x %02x %02x %02x %02x %02x.\n", |
| 2692 | k, pAC->Rlmt.Net[Para.Para32[0]].Port[j]->PortNumber, |
| 2693 | InAddr8[0], InAddr8[1], InAddr8[2], |
| 2694 | InAddr8[3], InAddr8[4], InAddr8[5], |
| 2695 | pAPort->Exact[k].a[0], pAPort->Exact[k].a[1], |
| 2696 | pAPort->Exact[k].a[2], pAPort->Exact[k].a[3], |
| 2697 | pAPort->Exact[k].a[4], pAPort->Exact[k].a[5])) |
| 2698 | } |
| 2699 | } |
| 2700 | #endif /* xDEBUG */ |
| 2701 | |
| 2702 | SkRlmtCheckSeg(pAC, IoC, Para.Para32[0]); |
| 2703 | |
| 2704 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2705 | ("SK_RLMT_SEG_TIM Event END.\n")) |
| 2706 | } /* SkRlmtEvtSegTim */ |
| 2707 | |
| 2708 | |
| 2709 | /****************************************************************************** |
| 2710 | * |
| 2711 | * SkRlmtEvtPacketRx - PACKET_RECEIVED |
| 2712 | * |
| 2713 | * Description: |
| 2714 | * This routine handles PACKET_RECEIVED events. |
| 2715 | * |
| 2716 | * Context: |
| 2717 | * runtime, pageable? |
| 2718 | * may be called after SK_INIT_IO |
| 2719 | * |
| 2720 | * Returns: |
| 2721 | * Nothing |
| 2722 | */ |
| 2723 | RLMT_STATIC void SkRlmtEvtPacketRx( |
| 2724 | SK_AC *pAC, /* Adapter Context */ |
| 2725 | SK_IOC IoC, /* I/O Context */ |
| 2726 | SK_EVPARA Para) /* SK_MBUF *pMb */ |
| 2727 | { |
| 2728 | SK_MBUF *pMb; |
| 2729 | SK_MBUF *pNextMb; |
| 2730 | SK_U32 NetNumber; |
| 2731 | |
| 2732 | |
| 2733 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2734 | ("SK_RLMT_PACKET_RECEIVED Event BEGIN.\n")) |
| 2735 | |
| 2736 | /* Should we ignore frames during port switching? */ |
| 2737 | |
| 2738 | #ifdef DEBUG |
| 2739 | pMb = Para.pParaPtr; |
| 2740 | if (pMb == NULL) { |
| 2741 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, ("No mbuf.\n")) |
| 2742 | } |
| 2743 | else if (pMb->pNext != NULL) { |
| 2744 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2745 | ("More than one mbuf or pMb->pNext not set.\n")) |
| 2746 | } |
| 2747 | #endif /* DEBUG */ |
| 2748 | |
| 2749 | for (pMb = Para.pParaPtr; pMb != NULL; pMb = pNextMb) { |
| 2750 | pNextMb = pMb->pNext; |
| 2751 | pMb->pNext = NULL; |
| 2752 | |
| 2753 | NetNumber = pAC->Rlmt.Port[pMb->PortIdx].Net->NetNumber; |
| 2754 | if (pAC->Rlmt.Net[NetNumber].RlmtState == SK_RLMT_RS_INIT) { |
| 2755 | SkDrvFreeRlmtMbuf(pAC, IoC, pMb); |
| 2756 | } |
| 2757 | else { |
| 2758 | SkRlmtPacketReceive(pAC, IoC, pMb); |
| 2759 | } |
| 2760 | } |
| 2761 | |
| 2762 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2763 | ("SK_RLMT_PACKET_RECEIVED Event END.\n")) |
| 2764 | } /* SkRlmtEvtPacketRx */ |
| 2765 | |
| 2766 | |
| 2767 | /****************************************************************************** |
| 2768 | * |
| 2769 | * SkRlmtEvtStatsClear - STATS_CLEAR |
| 2770 | * |
| 2771 | * Description: |
| 2772 | * This routine handles STATS_CLEAR events. |
| 2773 | * |
| 2774 | * Context: |
| 2775 | * runtime, pageable? |
| 2776 | * may be called after SK_INIT_IO |
| 2777 | * |
| 2778 | * Returns: |
| 2779 | * Nothing |
| 2780 | */ |
| 2781 | RLMT_STATIC void SkRlmtEvtStatsClear( |
| 2782 | SK_AC *pAC, /* Adapter Context */ |
| 2783 | SK_IOC IoC, /* I/O Context */ |
| 2784 | SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */ |
| 2785 | { |
| 2786 | SK_U32 i; |
| 2787 | SK_RLMT_PORT *pRPort; |
| 2788 | |
| 2789 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2790 | ("SK_RLMT_STATS_CLEAR Event BEGIN.\n")) |
| 2791 | |
| 2792 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2793 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2794 | ("Bad Parameter.\n")) |
| 2795 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2796 | ("SK_RLMT_STATS_CLEAR Event EMPTY.\n")) |
| 2797 | return; |
| 2798 | } |
| 2799 | |
| 2800 | if (Para.Para32[0] >= pAC->Rlmt.NumNets) { |
| 2801 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2802 | ("Bad NetNumber %d.\n", Para.Para32[0])) |
| 2803 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2804 | ("SK_RLMT_STATS_CLEAR Event EMPTY.\n")) |
| 2805 | return; |
| 2806 | } |
| 2807 | |
| 2808 | /* Clear statistics for logical and physical ports. */ |
| 2809 | for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) { |
| 2810 | pRPort = |
| 2811 | &pAC->Rlmt.Port[pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber]; |
| 2812 | pRPort->TxHelloCts = 0; |
| 2813 | pRPort->RxHelloCts = 0; |
| 2814 | pRPort->TxSpHelloReqCts = 0; |
| 2815 | pRPort->RxSpHelloCts = 0; |
| 2816 | } |
| 2817 | |
| 2818 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2819 | ("SK_RLMT_STATS_CLEAR Event END.\n")) |
| 2820 | } /* SkRlmtEvtStatsClear */ |
| 2821 | |
| 2822 | |
| 2823 | /****************************************************************************** |
| 2824 | * |
| 2825 | * SkRlmtEvtStatsUpdate - STATS_UPDATE |
| 2826 | * |
| 2827 | * Description: |
| 2828 | * This routine handles STATS_UPDATE events. |
| 2829 | * |
| 2830 | * Context: |
| 2831 | * runtime, pageable? |
| 2832 | * may be called after SK_INIT_IO |
| 2833 | * |
| 2834 | * Returns: |
| 2835 | * Nothing |
| 2836 | */ |
| 2837 | RLMT_STATIC void SkRlmtEvtStatsUpdate( |
| 2838 | SK_AC *pAC, /* Adapter Context */ |
| 2839 | SK_IOC IoC, /* I/O Context */ |
| 2840 | SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */ |
| 2841 | { |
| 2842 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2843 | ("SK_RLMT_STATS_UPDATE Event BEGIN.\n")) |
| 2844 | |
| 2845 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2846 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2847 | ("Bad Parameter.\n")) |
| 2848 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2849 | ("SK_RLMT_STATS_UPDATE Event EMPTY.\n")) |
| 2850 | return; |
| 2851 | } |
| 2852 | |
| 2853 | if (Para.Para32[0] >= pAC->Rlmt.NumNets) { |
| 2854 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2855 | ("Bad NetNumber %d.\n", Para.Para32[0])) |
| 2856 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2857 | ("SK_RLMT_STATS_UPDATE Event EMPTY.\n")) |
| 2858 | return; |
| 2859 | } |
| 2860 | |
| 2861 | /* Update statistics - currently always up-to-date. */ |
| 2862 | |
| 2863 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2864 | ("SK_RLMT_STATS_UPDATE Event END.\n")) |
| 2865 | } /* SkRlmtEvtStatsUpdate */ |
| 2866 | |
| 2867 | |
| 2868 | /****************************************************************************** |
| 2869 | * |
| 2870 | * SkRlmtEvtPrefportChange - PREFPORT_CHANGE |
| 2871 | * |
| 2872 | * Description: |
| 2873 | * This routine handles PREFPORT_CHANGE events. |
| 2874 | * |
| 2875 | * Context: |
| 2876 | * runtime, pageable? |
| 2877 | * may be called after SK_INIT_IO |
| 2878 | * |
| 2879 | * Returns: |
| 2880 | * Nothing |
| 2881 | */ |
| 2882 | RLMT_STATIC void SkRlmtEvtPrefportChange( |
| 2883 | SK_AC *pAC, /* Adapter Context */ |
| 2884 | SK_IOC IoC, /* I/O Context */ |
| 2885 | SK_EVPARA Para) /* SK_U32 PortIndex; SK_U32 NetNumber */ |
| 2886 | { |
| 2887 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2888 | ("SK_RLMT_PREFPORT_CHANGE to Port %d Event BEGIN.\n", Para.Para32[0])) |
| 2889 | |
| 2890 | if (Para.Para32[1] >= pAC->Rlmt.NumNets) { |
| 2891 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2892 | ("Bad NetNumber %d.\n", Para.Para32[1])) |
| 2893 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2894 | ("SK_RLMT_PREFPORT_CHANGE Event EMPTY.\n")) |
| 2895 | return; |
| 2896 | } |
| 2897 | |
| 2898 | /* 0xFFFFFFFF == auto-mode. */ |
| 2899 | if (Para.Para32[0] == 0xFFFFFFFF) { |
| 2900 | pAC->Rlmt.Net[Para.Para32[1]].PrefPort = SK_RLMT_DEF_PREF_PORT; |
| 2901 | } |
| 2902 | else { |
| 2903 | if (Para.Para32[0] >= pAC->Rlmt.Net[Para.Para32[1]].NumPorts) { |
| 2904 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E010, SKERR_RLMT_E010_MSG); |
| 2905 | |
| 2906 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2907 | ("SK_RLMT_PREFPORT_CHANGE Event EMPTY.\n")) |
| 2908 | return; |
| 2909 | } |
| 2910 | |
| 2911 | pAC->Rlmt.Net[Para.Para32[1]].PrefPort = Para.Para32[0]; |
| 2912 | } |
| 2913 | |
| 2914 | pAC->Rlmt.Net[Para.Para32[1]].Preference = Para.Para32[0]; |
| 2915 | |
| 2916 | if (pAC->Rlmt.Net[Para.Para32[1]].RlmtState != SK_RLMT_RS_INIT) { |
| 2917 | SkRlmtCheckSwitch(pAC, IoC, Para.Para32[1]); |
| 2918 | } |
| 2919 | |
| 2920 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2921 | ("SK_RLMT_PREFPORT_CHANGE Event END.\n")) |
| 2922 | } /* SkRlmtEvtPrefportChange */ |
| 2923 | |
| 2924 | |
| 2925 | /****************************************************************************** |
| 2926 | * |
| 2927 | * SkRlmtEvtSetNets - SET_NETS |
| 2928 | * |
| 2929 | * Description: |
| 2930 | * This routine handles SET_NETS events. |
| 2931 | * |
| 2932 | * Context: |
| 2933 | * runtime, pageable? |
| 2934 | * may be called after SK_INIT_IO |
| 2935 | * |
| 2936 | * Returns: |
| 2937 | * Nothing |
| 2938 | */ |
| 2939 | RLMT_STATIC void SkRlmtEvtSetNets( |
| 2940 | SK_AC *pAC, /* Adapter Context */ |
| 2941 | SK_IOC IoC, /* I/O Context */ |
| 2942 | SK_EVPARA Para) /* SK_U32 NumNets; SK_U32 -1 */ |
| 2943 | { |
| 2944 | int i; |
| 2945 | |
| 2946 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2947 | ("SK_RLMT_SET_NETS Event BEGIN.\n")) |
| 2948 | |
| 2949 | if (Para.Para32[1] != (SK_U32)-1) { |
| 2950 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2951 | ("Bad Parameter.\n")) |
| 2952 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2953 | ("SK_RLMT_SET_NETS Event EMPTY.\n")) |
| 2954 | return; |
| 2955 | } |
| 2956 | |
| 2957 | if (Para.Para32[0] == 0 || Para.Para32[0] > SK_MAX_NETS || |
| 2958 | Para.Para32[0] > (SK_U32)pAC->GIni.GIMacsFound) { |
| 2959 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2960 | ("Bad number of nets: %d.\n", Para.Para32[0])) |
| 2961 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2962 | ("SK_RLMT_SET_NETS Event EMPTY.\n")) |
| 2963 | return; |
| 2964 | } |
| 2965 | |
| 2966 | if (Para.Para32[0] == pAC->Rlmt.NumNets) { /* No change. */ |
| 2967 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2968 | ("SK_RLMT_SET_NETS Event EMPTY.\n")) |
| 2969 | return; |
| 2970 | } |
| 2971 | |
| 2972 | /* Entering and leaving dual mode only allowed while nets are stopped. */ |
| 2973 | if (pAC->Rlmt.NetsStarted > 0) { |
| 2974 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2975 | ("Changing dual mode only allowed while all nets are stopped.\n")) |
| 2976 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 2977 | ("SK_RLMT_SET_NETS Event EMPTY.\n")) |
| 2978 | return; |
| 2979 | } |
| 2980 | |
| 2981 | if (Para.Para32[0] == 1) { |
| 2982 | if (pAC->Rlmt.NumNets > 1) { |
| 2983 | /* Clear logical MAC addr from second net's active port. */ |
| 2984 | (void)SkAddrOverride(pAC, IoC, pAC->Rlmt.Net[1].Port[pAC->Addr. |
| 2985 | Net[1].ActivePort]->PortNumber, NULL, SK_ADDR_CLEAR_LOGICAL); |
| 2986 | pAC->Rlmt.Net[1].NumPorts = 0; |
| 2987 | } |
| 2988 | |
| 2989 | pAC->Rlmt.NumNets = Para.Para32[0]; |
| 2990 | for (i = 0; (SK_U32)i < pAC->Rlmt.NumNets; i++) { |
| 2991 | pAC->Rlmt.Net[i].RlmtState = SK_RLMT_RS_INIT; |
| 2992 | pAC->Rlmt.Net[i].RootIdSet = SK_FALSE; |
| 2993 | pAC->Rlmt.Net[i].Preference = 0xFFFFFFFF; /* "Automatic" */ |
| 2994 | pAC->Rlmt.Net[i].PrefPort = SK_RLMT_DEF_PREF_PORT; |
| 2995 | /* Just assuming. */ |
| 2996 | pAC->Rlmt.Net[i].ActivePort = pAC->Rlmt.Net[i].PrefPort; |
| 2997 | pAC->Rlmt.Net[i].RlmtMode = SK_RLMT_DEF_MODE; |
| 2998 | pAC->Rlmt.Net[i].TimeoutValue = SK_RLMT_DEF_TO_VAL; |
| 2999 | pAC->Rlmt.Net[i].NetNumber = i; |
| 3000 | } |
| 3001 | |
| 3002 | pAC->Rlmt.Port[1].Net= &pAC->Rlmt.Net[0]; |
| 3003 | pAC->Rlmt.Net[0].NumPorts = pAC->GIni.GIMacsFound; |
| 3004 | |
| 3005 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_SET_NETS, Para); |
| 3006 | |
| 3007 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3008 | ("RLMT: Changed to one net with two ports.\n")) |
| 3009 | } |
| 3010 | else if (Para.Para32[0] == 2) { |
| 3011 | pAC->Rlmt.Port[1].Net= &pAC->Rlmt.Net[1]; |
| 3012 | pAC->Rlmt.Net[1].NumPorts = pAC->GIni.GIMacsFound - 1; |
| 3013 | pAC->Rlmt.Net[0].NumPorts = |
| 3014 | pAC->GIni.GIMacsFound - pAC->Rlmt.Net[1].NumPorts; |
| 3015 | |
| 3016 | pAC->Rlmt.NumNets = Para.Para32[0]; |
| 3017 | for (i = 0; (SK_U32)i < pAC->Rlmt.NumNets; i++) { |
| 3018 | pAC->Rlmt.Net[i].RlmtState = SK_RLMT_RS_INIT; |
| 3019 | pAC->Rlmt.Net[i].RootIdSet = SK_FALSE; |
| 3020 | pAC->Rlmt.Net[i].Preference = 0xFFFFFFFF; /* "Automatic" */ |
| 3021 | pAC->Rlmt.Net[i].PrefPort = SK_RLMT_DEF_PREF_PORT; |
| 3022 | /* Just assuming. */ |
| 3023 | pAC->Rlmt.Net[i].ActivePort = pAC->Rlmt.Net[i].PrefPort; |
| 3024 | pAC->Rlmt.Net[i].RlmtMode = SK_RLMT_DEF_MODE; |
| 3025 | pAC->Rlmt.Net[i].TimeoutValue = SK_RLMT_DEF_TO_VAL; |
| 3026 | |
| 3027 | pAC->Rlmt.Net[i].NetNumber = i; |
| 3028 | } |
| 3029 | |
| 3030 | /* Set logical MAC addr on second net's active port. */ |
| 3031 | (void)SkAddrOverride(pAC, IoC, pAC->Rlmt.Net[1].Port[pAC->Addr. |
| 3032 | Net[1].ActivePort]->PortNumber, NULL, SK_ADDR_SET_LOGICAL); |
| 3033 | |
| 3034 | SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_SET_NETS, Para); |
| 3035 | |
| 3036 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3037 | ("RLMT: Changed to two nets with one port each.\n")) |
| 3038 | } |
| 3039 | else { |
| 3040 | /* Not implemented for more than two nets. */ |
| 3041 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3042 | ("SetNets not implemented for more than two nets.\n")) |
| 3043 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3044 | ("SK_RLMT_SET_NETS Event EMPTY.\n")) |
| 3045 | return; |
| 3046 | } |
| 3047 | |
| 3048 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3049 | ("SK_RLMT_SET_NETS Event END.\n")) |
| 3050 | } /* SkRlmtSetNets */ |
| 3051 | |
| 3052 | |
| 3053 | /****************************************************************************** |
| 3054 | * |
| 3055 | * SkRlmtEvtModeChange - MODE_CHANGE |
| 3056 | * |
| 3057 | * Description: |
| 3058 | * This routine handles MODE_CHANGE events. |
| 3059 | * |
| 3060 | * Context: |
| 3061 | * runtime, pageable? |
| 3062 | * may be called after SK_INIT_IO |
| 3063 | * |
| 3064 | * Returns: |
| 3065 | * Nothing |
| 3066 | */ |
| 3067 | RLMT_STATIC void SkRlmtEvtModeChange( |
| 3068 | SK_AC *pAC, /* Adapter Context */ |
| 3069 | SK_IOC IoC, /* I/O Context */ |
| 3070 | SK_EVPARA Para) /* SK_U32 NewMode; SK_U32 NetNumber */ |
| 3071 | { |
| 3072 | SK_EVPARA Para2; |
| 3073 | SK_U32 i; |
| 3074 | SK_U32 PrevRlmtMode; |
| 3075 | |
| 3076 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3077 | ("SK_RLMT_MODE_CHANGE Event BEGIN.\n")) |
| 3078 | |
| 3079 | if (Para.Para32[1] >= pAC->Rlmt.NumNets) { |
| 3080 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3081 | ("Bad NetNumber %d.\n", Para.Para32[1])) |
| 3082 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3083 | ("SK_RLMT_MODE_CHANGE Event EMPTY.\n")) |
| 3084 | return; |
| 3085 | } |
| 3086 | |
| 3087 | Para.Para32[0] |= SK_RLMT_CHECK_LINK; |
| 3088 | |
| 3089 | if ((pAC->Rlmt.Net[Para.Para32[1]].NumPorts == 1) && |
| 3090 | Para.Para32[0] != SK_RLMT_MODE_CLS) { |
| 3091 | pAC->Rlmt.Net[Para.Para32[1]].RlmtMode = SK_RLMT_MODE_CLS; |
| 3092 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3093 | ("Forced RLMT mode to CLS on single port net.\n")) |
| 3094 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3095 | ("SK_RLMT_MODE_CHANGE Event EMPTY.\n")) |
| 3096 | return; |
| 3097 | } |
| 3098 | |
| 3099 | /* Update RLMT mode. */ |
| 3100 | PrevRlmtMode = pAC->Rlmt.Net[Para.Para32[1]].RlmtMode; |
| 3101 | pAC->Rlmt.Net[Para.Para32[1]].RlmtMode = Para.Para32[0]; |
| 3102 | |
| 3103 | if ((PrevRlmtMode & SK_RLMT_CHECK_LOC_LINK) != |
| 3104 | (pAC->Rlmt.Net[Para.Para32[1]].RlmtMode & SK_RLMT_CHECK_LOC_LINK)) { |
| 3105 | /* SK_RLMT_CHECK_LOC_LINK bit changed. */ |
| 3106 | if ((PrevRlmtMode & SK_RLMT_CHECK_OTHERS) == 0 && |
| 3107 | pAC->Rlmt.Net[Para.Para32[1]].NumPorts > 1 && |
| 3108 | pAC->Rlmt.Net[Para.Para32[1]].PortsUp >= 1) { |
| 3109 | /* 20001207 RA: Was "PortsUp == 1". */ |
| 3110 | Para2.Para32[0] = Para.Para32[1]; |
| 3111 | Para2.Para32[1] = (SK_U32)-1; |
| 3112 | SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[1]].LocTimer, |
| 3113 | pAC->Rlmt.Net[Para.Para32[1]].TimeoutValue, |
| 3114 | SKGE_RLMT, SK_RLMT_TIM, Para2); |
| 3115 | } |
| 3116 | } |
| 3117 | |
| 3118 | if ((PrevRlmtMode & SK_RLMT_CHECK_SEG) != |
| 3119 | (pAC->Rlmt.Net[Para.Para32[1]].RlmtMode & SK_RLMT_CHECK_SEG)) { |
| 3120 | /* SK_RLMT_CHECK_SEG bit changed. */ |
| 3121 | for (i = 0; i < pAC->Rlmt.Net[Para.Para32[1]].NumPorts; i++) { |
| 3122 | (void)SkAddrMcClear(pAC, IoC, |
| 3123 | pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber, |
| 3124 | SK_ADDR_PERMANENT | SK_MC_SW_ONLY); |
| 3125 | |
| 3126 | /* Add RLMT MC address. */ |
| 3127 | (void)SkAddrMcAdd(pAC, IoC, |
| 3128 | pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber, |
| 3129 | &SkRlmtMcAddr, SK_ADDR_PERMANENT); |
| 3130 | |
| 3131 | if ((pAC->Rlmt.Net[Para.Para32[1]].RlmtMode & |
| 3132 | SK_RLMT_CHECK_SEG) != 0) { |
| 3133 | /* Add BPDU MC address. */ |
| 3134 | (void)SkAddrMcAdd(pAC, IoC, |
| 3135 | pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber, |
| 3136 | &BridgeMcAddr, SK_ADDR_PERMANENT); |
| 3137 | |
| 3138 | if (pAC->Rlmt.Net[Para.Para32[1]].RlmtState != SK_RLMT_RS_INIT) { |
| 3139 | if (!pAC->Rlmt.Net[Para.Para32[1]].Port[i]->LinkDown && |
| 3140 | (Para2.pParaPtr = SkRlmtBuildSpanningTreePacket( |
| 3141 | pAC, IoC, i)) != NULL) { |
| 3142 | pAC->Rlmt.Net[Para.Para32[1]].Port[i]->RootIdSet = |
| 3143 | SK_FALSE; |
| 3144 | SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para2); |
| 3145 | } |
| 3146 | } |
| 3147 | } |
| 3148 | (void)SkAddrMcUpdate(pAC, IoC, |
| 3149 | pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber); |
| 3150 | } /* for ... */ |
| 3151 | |
| 3152 | if ((pAC->Rlmt.Net[Para.Para32[1]].RlmtMode & SK_RLMT_CHECK_SEG) != 0) { |
| 3153 | Para2.Para32[0] = Para.Para32[1]; |
| 3154 | Para2.Para32[1] = (SK_U32)-1; |
| 3155 | SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[1]].SegTimer, |
| 3156 | SK_RLMT_SEG_TO_VAL, SKGE_RLMT, SK_RLMT_SEG_TIM, Para2); |
| 3157 | } |
| 3158 | } /* SK_RLMT_CHECK_SEG bit changed. */ |
| 3159 | |
| 3160 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3161 | ("SK_RLMT_MODE_CHANGE Event END.\n")) |
| 3162 | } /* SkRlmtEvtModeChange */ |
| 3163 | |
| 3164 | |
| 3165 | /****************************************************************************** |
| 3166 | * |
| 3167 | * SkRlmtEvent - a PORT- or an RLMT-specific event happened |
| 3168 | * |
| 3169 | * Description: |
| 3170 | * This routine calls subroutines to handle PORT- and RLMT-specific events. |
| 3171 | * |
| 3172 | * Context: |
| 3173 | * runtime, pageable? |
| 3174 | * may be called after SK_INIT_IO |
| 3175 | * |
| 3176 | * Returns: |
| 3177 | * 0 |
| 3178 | */ |
| 3179 | int SkRlmtEvent( |
| 3180 | SK_AC *pAC, /* Adapter Context */ |
| 3181 | SK_IOC IoC, /* I/O Context */ |
| 3182 | SK_U32 Event, /* Event code */ |
| 3183 | SK_EVPARA Para) /* Event-specific parameter */ |
| 3184 | { |
| 3185 | switch (Event) { |
| 3186 | |
| 3187 | /* ----- PORT events ----- */ |
| 3188 | |
| 3189 | case SK_RLMT_PORTSTART_TIM: /* From RLMT via TIME. */ |
| 3190 | SkRlmtEvtPortStartTim(pAC, IoC, Para); |
| 3191 | break; |
| 3192 | case SK_RLMT_LINK_UP: /* From SIRQ. */ |
| 3193 | SkRlmtEvtLinkUp(pAC, IoC, Para); |
| 3194 | break; |
| 3195 | case SK_RLMT_PORTUP_TIM: /* From RLMT via TIME. */ |
| 3196 | SkRlmtEvtPortUpTim(pAC, IoC, Para); |
| 3197 | break; |
| 3198 | case SK_RLMT_PORTDOWN: /* From RLMT. */ |
| 3199 | case SK_RLMT_PORTDOWN_RX_TIM: /* From RLMT via TIME. */ |
| 3200 | case SK_RLMT_PORTDOWN_TX_TIM: /* From RLMT via TIME. */ |
| 3201 | SkRlmtEvtPortDownX(pAC, IoC, Event, Para); |
| 3202 | break; |
| 3203 | case SK_RLMT_LINK_DOWN: /* From SIRQ. */ |
| 3204 | SkRlmtEvtLinkDown(pAC, IoC, Para); |
| 3205 | break; |
| 3206 | case SK_RLMT_PORT_ADDR: /* From ADDR. */ |
| 3207 | SkRlmtEvtPortAddr(pAC, IoC, Para); |
| 3208 | break; |
| 3209 | |
| 3210 | /* ----- RLMT events ----- */ |
| 3211 | |
| 3212 | case SK_RLMT_START: /* From DRV. */ |
| 3213 | SkRlmtEvtStart(pAC, IoC, Para); |
| 3214 | break; |
| 3215 | case SK_RLMT_STOP: /* From DRV. */ |
| 3216 | SkRlmtEvtStop(pAC, IoC, Para); |
| 3217 | break; |
| 3218 | case SK_RLMT_TIM: /* From RLMT via TIME. */ |
| 3219 | SkRlmtEvtTim(pAC, IoC, Para); |
| 3220 | break; |
| 3221 | case SK_RLMT_SEG_TIM: |
| 3222 | SkRlmtEvtSegTim(pAC, IoC, Para); |
| 3223 | break; |
| 3224 | case SK_RLMT_PACKET_RECEIVED: /* From DRV. */ |
| 3225 | SkRlmtEvtPacketRx(pAC, IoC, Para); |
| 3226 | break; |
| 3227 | case SK_RLMT_STATS_CLEAR: /* From PNMI. */ |
| 3228 | SkRlmtEvtStatsClear(pAC, IoC, Para); |
| 3229 | break; |
| 3230 | case SK_RLMT_STATS_UPDATE: /* From PNMI. */ |
| 3231 | SkRlmtEvtStatsUpdate(pAC, IoC, Para); |
| 3232 | break; |
| 3233 | case SK_RLMT_PREFPORT_CHANGE: /* From PNMI. */ |
| 3234 | SkRlmtEvtPrefportChange(pAC, IoC, Para); |
| 3235 | break; |
| 3236 | case SK_RLMT_MODE_CHANGE: /* From PNMI. */ |
| 3237 | SkRlmtEvtModeChange(pAC, IoC, Para); |
| 3238 | break; |
| 3239 | case SK_RLMT_SET_NETS: /* From DRV. */ |
| 3240 | SkRlmtEvtSetNets(pAC, IoC, Para); |
| 3241 | break; |
| 3242 | |
| 3243 | /* ----- Unknown events ----- */ |
| 3244 | |
| 3245 | default: /* Create error log entry. */ |
| 3246 | SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, |
| 3247 | ("Unknown RLMT Event %d.\n", Event)) |
| 3248 | SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E003, SKERR_RLMT_E003_MSG); |
| 3249 | break; |
| 3250 | } /* switch() */ |
| 3251 | |
| 3252 | return (0); |
| 3253 | } /* SkRlmtEvent */ |
| 3254 | |
| 3255 | #ifdef __cplusplus |
| 3256 | } |
| 3257 | #endif /* __cplusplus */ |