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Diffstat (limited to 'drivers/sk98lin/skrlmt.c')
-rw-r--r--drivers/sk98lin/skrlmt.c3508
1 files changed, 0 insertions, 3508 deletions
diff --git a/drivers/sk98lin/skrlmt.c b/drivers/sk98lin/skrlmt.c
deleted file mode 100644
index f8a3b41..0000000
--- a/drivers/sk98lin/skrlmt.c
+++ /dev/null
@@ -1,3508 +0,0 @@
-/******************************************************************************
- *
- * Name: skrlmt.c
- * Project: GEnesis, PCI Gigabit Ethernet Adapter
- * Version: $Revision: 1.68 $
- * Date: $Date: 2003/01/31 15:26:56 $
- * Purpose: Manage links on SK-NET Adapters, esp. redundant ones.
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * (C)Copyright 1998-2001 SysKonnect GmbH.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * History:
- *
- * $Log: skrlmt.c,v $
- * Revision 1.68 2003/01/31 15:26:56 rschmidt
- * Added init for local variables in RlmtInit().
- *
- * Revision 1.67 2003/01/31 14:12:41 mkunz
- * single port adapter runs now with two identical MAC addresses
- *
- * Revision 1.66 2002/09/23 15:14:19 rwahl
- * - Reset broadcast timestamp on link down.
- * - Editorial corrections.
- *
- * Revision 1.65 2002/07/22 14:29:48 rwahl
- * - Removed BRK statement from debug check.
- *
- * Revision 1.64 2001/11/28 19:36:14 rwahl
- * - RLMT Packets sent to an invalid MAC address in CLP/CLPSS mode
- * (#10650).
- * - Reworked fix for port switching in CLS mode (#10639)
- * (no dependency to RLMT module).
- * - Enabled dbg output for entry/exit of event functions.
- * - Editorial changes.
- *
- * Revision 1.63 2001/10/26 07:53:18 afischer
- * Port switching bug in `check local link` mode
- *
- * Revision 1.62 2001/07/03 12:16:30 mkunz
- * New Flag ChgBcPrio (Change priority of last broadcast received)
- *
- * Revision 1.61 2001/03/14 12:52:08 rassmann
- * Fixed reporting of active port up/down to PNMI.
- *
- * Revision 1.60 2001/02/21 16:02:25 gklug
- * fix: when RLMT starts set Active Port for PNMI
- *
- * Revision 1.59 2001/02/16 14:38:19 rassmann
- * Initializing some pointers earlier in the init phase.
- * Rx Mbufs are freed if the net which they belong to is stopped.
- *
- * Revision 1.58 2001/02/14 14:06:31 rassmann
- * Editorial changes.
- *
- * Revision 1.57 2001/02/05 14:25:26 rassmann
- * Prepared RLMT for transparent operation.
- *
- * Revision 1.56 2001/01/30 10:29:09 rassmann
- * Not checking switching befor RlmtStart.
- * Editorial changes.
- *
- * Revision 1.55 2001/01/22 13:41:38 rassmann
- * Supporting two nets on dual-port adapters.
- *
- * Revision 1.54 2000/11/30 13:25:07 rassmann
- * Setting SK_TICK_INCR to 1 by default.
- *
- * Revision 1.53 2000/11/30 10:48:07 cgoos
- * Changed definition of SK_RLMT_BC_DELTA.
- *
- * Revision 1.52 2000/11/27 12:50:03 rassmann
- * Checking ports after receiving broadcasts.
- *
- * Revision 1.51 2000/11/17 08:58:00 rassmann
- * Moved CheckSwitch from SK_RLMT_PACKET_RECEIVED to SK_RLMT_TIM event.
- *
- * Revision 1.50 2000/11/09 12:24:34 rassmann
- * Indicating that segmentation check is not running anymore after
- * SkRlmtCheckSeg().
- * Restarting segmentation timer after segmentation log.
- * Editorial changes.
- *
- * Revision 1.49 1999/11/22 13:38:02 cgoos
- * Changed license header to GPL.
- * Added initialization to some variables to avoid compiler warnings.
- *
- * Revision 1.48 1999/10/04 14:01:17 rassmann
- * Corrected reaction to reception of BPDU frames (#10441).
- *
- * Revision 1.47 1999/07/20 12:53:36 rassmann
- * Fixed documentation errors for lookahead macros.
- *
- * Revision 1.46 1999/05/28 13:29:16 rassmann
- * Replaced C++-style comment.
- *
- * Revision 1.45 1999/05/28 13:28:08 rassmann
- * Corrected syntax error (xxx).
- *
- * Revision 1.44 1999/05/28 11:15:54 rassmann
- * Changed behaviour to reflect Design Spec v1.2.
- * Controlling Link LED(s).
- * Introduced RLMT Packet Version field in RLMT Packet.
- * Newstyle lookahead macros (checking meta-information before looking at
- * the packet).
- *
- * Revision 1.43 1999/01/28 13:12:43 rassmann
- * Corrected Lookahead (bug introduced in previous Rev.).
- *
- * Revision 1.42 1999/01/28 12:50:41 rassmann
- * Not using broadcast time stamps in CheckLinkState mode.
- *
- * Revision 1.41 1999/01/27 14:13:02 rassmann
- * Monitoring broadcast traffic.
- * Switching more reliably and not too early if switch is
- * configured for spanning tree.
- *
- * Revision 1.40 1999/01/22 13:17:30 rassmann
- * Informing PNMI of NET_UP.
- * Clearing RLMT multicast addresses before setting them for the first time.
- * Reporting segmentation earlier, setting a "quiet time"
- * after a report.
- *
- * Revision 1.39 1998/12/10 15:29:53 rassmann
- * Corrected SuspectStatus in SkRlmtBuildCheckChain().
- * Corrected CHECK_SEG mode.
- *
- * Revision 1.38 1998/12/08 13:11:23 rassmann
- * Stopping SegTimer at RlmtStop.
- *
- * Revision 1.37 1998/12/07 16:51:42 rassmann
- * Corrected comments.
- *
- * Revision 1.36 1998/12/04 10:58:56 rassmann
- * Setting next pointer to NULL when receiving.
- *
- * Revision 1.35 1998/12/03 16:12:42 rassmann
- * Ignoring/correcting illegal PrefPort values.
- *
- * Revision 1.34 1998/12/01 11:45:35 rassmann
- * Code cleanup.
- *
- * Revision 1.33 1998/12/01 10:29:32 rassmann
- * Starting standby ports before getting the net up.
- * Checking if a port is started when the link comes up.
- *
- * Revision 1.32 1998/11/30 16:19:50 rassmann
- * New default for PortNoRx.
- *
- * Revision 1.31 1998/11/27 19:17:13 rassmann
- * Corrected handling of LINK_DOWN coming shortly after LINK_UP.
- *
- * Revision 1.30 1998/11/24 12:37:31 rassmann
- * Implemented segmentation check.
- *
- * Revision 1.29 1998/11/18 13:04:32 rassmann
- * Secured PortUpTimer event.
- * Waiting longer before starting standby port(s).
- *
- * Revision 1.28 1998/11/17 13:43:04 rassmann
- * Handling (logical) tx failure.
- * Sending packet on logical address after PORT_SWITCH.
- *
- * Revision 1.27 1998/11/13 17:09:50 rassmann
- * Secured some events against being called in wrong state.
- *
- * Revision 1.26 1998/11/13 16:56:54 rassmann
- * Added macro version of SkRlmtLookaheadPacket.
- *
- * Revision 1.25 1998/11/06 18:06:04 rassmann
- * Corrected timing when RLMT checks fail.
- * Clearing tx counter earlier in periodical checks.
- *
- * Revision 1.24 1998/11/05 10:37:27 rassmann
- * Checking destination address in Lookahead.
- *
- * Revision 1.23 1998/11/03 13:53:49 rassmann
- * RLMT should switch now (at least in mode 3).
- *
- * Revision 1.22 1998/10/29 14:34:49 rassmann
- * Clearing SK_RLMT struct at startup.
- * Initializing PortsUp during SK_RLMT_START.
- *
- * Revision 1.21 1998/10/28 11:30:17 rassmann
- * Default mode is now SK_RLMT_CHECK_LOC_LINK.
- *
- * Revision 1.20 1998/10/26 16:02:03 rassmann
- * Ignoring LINK_DOWN for links that are down.
- *
- * Revision 1.19 1998/10/22 15:54:01 rassmann
- * Corrected EtherLen.
- * Starting Link Check when second port comes up.
- *
- * Revision 1.18 1998/10/22 11:39:50 rassmann
- * Corrected signed/unsigned mismatches.
- * Corrected receive list handling and address recognition.
- *
- * Revision 1.17 1998/10/19 17:01:20 rassmann
- * More detailed checking of received packets.
- *
- * Revision 1.16 1998/10/15 15:16:34 rassmann
- * Finished Spanning Tree checking.
- * Checked with lint.
- *
- * Revision 1.15 1998/09/24 19:16:07 rassmann
- * Code cleanup.
- * Introduced Timer for PORT_DOWN due to no RX.
- *
- * Revision 1.14 1998/09/18 20:27:14 rassmann
- * Added address override.
- *
- * Revision 1.13 1998/09/16 11:31:48 rassmann
- * Including skdrv1st.h again. :(
- *
- * Revision 1.12 1998/09/16 11:09:50 rassmann
- * Syntax corrections.
- *
- * Revision 1.11 1998/09/15 12:32:03 rassmann
- * Syntax correction.
- *
- * Revision 1.10 1998/09/15 11:28:49 rassmann
- * Syntax corrections.
- *
- * Revision 1.9 1998/09/14 17:07:37 rassmann
- * Added code for port checking via LAN.
- * Changed Mbuf definition.
- *
- * Revision 1.8 1998/09/07 11:14:14 rassmann
- * Syntax corrections.
- *
- * Revision 1.7 1998/09/07 09:06:07 rassmann
- * Syntax corrections.
- *
- * Revision 1.6 1998/09/04 19:41:33 rassmann
- * Syntax corrections.
- * Started entering code for checking local links.
- *
- * Revision 1.5 1998/09/04 12:14:27 rassmann
- * Interface cleanup.
- *
- * Revision 1.4 1998/09/02 16:55:28 rassmann
- * Updated to reflect new DRV/HWAC/RLMT interface.
- *
- * Revision 1.3 1998/08/27 14:29:03 rassmann
- * Code cleanup.
- *
- * Revision 1.2 1998/08/27 14:26:24 rassmann
- * Updated interface.
- *
- * Revision 1.1 1998/08/21 08:26:49 rassmann
- * First public version.
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * Description:
- *
- * This module contains code for Link ManagemenT (LMT) of SK-NET Adapters.
- * It is mainly intended for adapters with more than one link.
- * For such adapters, this module realizes Redundant Link ManagemenT (RLMT).
- *
- * Include File Hierarchy:
- *
- * "skdrv1st.h"
- * "skdrv2nd.h"
- *
- ******************************************************************************/
-
-#include <config.h>
-
-#ifdef CONFIG_SK98
-
-#ifndef lint
-static const char SysKonnectFileId[] =
- "@(#) $Id: skrlmt.c,v 1.68 2003/01/31 15:26:56 rschmidt Exp $ (C) SysKonnect.";
-#endif /* !defined(lint) */
-
-#define __SKRLMT_C
-
-#ifdef __cplusplus
-#error C++ is not yet supported.
-extern "C" {
-#endif /* cplusplus */
-
-#include "h/skdrv1st.h"
-#include "h/skdrv2nd.h"
-
-/* defines ********************************************************************/
-
-#ifndef SK_HWAC_LINK_LED
-#define SK_HWAC_LINK_LED(a,b,c,d)
-#endif /* !defined(SK_HWAC_LINK_LED) */
-
-#ifndef DEBUG
-#define RLMT_STATIC static
-#else /* DEBUG */
-#define RLMT_STATIC
-
-#ifndef SK_LITTLE_ENDIAN
-/* First 32 bits */
-#define OFFS_LO32 1
-
-/* Second 32 bits */
-#define OFFS_HI32 0
-#else /* SK_LITTLE_ENDIAN */
-/* First 32 bits */
-#define OFFS_LO32 0
-
-/* Second 32 bits */
-#define OFFS_HI32 1
-#endif /* SK_LITTLE_ENDIAN */
-
-#endif /* DEBUG */
-
-/* ----- Private timeout values ----- */
-
-#define SK_RLMT_MIN_TO_VAL 125000 /* 1/8 sec. */
-#define SK_RLMT_DEF_TO_VAL 1000000 /* 1 sec. */
-#define SK_RLMT_PORTDOWN_TIM_VAL 900000 /* another 0.9 sec. */
-#define SK_RLMT_PORTSTART_TIM_VAL 100000 /* 0.1 sec. */
-#define SK_RLMT_PORTUP_TIM_VAL 2500000 /* 2.5 sec. */
-#define SK_RLMT_SEG_TO_VAL 900000000 /* 15 min. */
-
-/* Assume tick counter increment is 1 - may be set OS-dependent. */
-#ifndef SK_TICK_INCR
-#define SK_TICK_INCR SK_CONSTU64(1)
-#endif /* !defined(SK_TICK_INCR) */
-
-/*
- * Amount that a time stamp must be later to be recognized as "substantially
- * later". This is about 1/128 sec, but above 1 tick counter increment.
- */
-#define SK_RLMT_BC_DELTA (1 + ((SK_TICKS_PER_SEC >> 7) > SK_TICK_INCR ? \
- (SK_TICKS_PER_SEC >> 7) : SK_TICK_INCR))
-
-/* ----- Private RLMT defaults ----- */
-
-#define SK_RLMT_DEF_PREF_PORT 0 /* "Lower" port. */
-#define SK_RLMT_DEF_MODE SK_RLMT_CHECK_LINK /* Default RLMT Mode. */
-
-/* ----- Private RLMT checking states ----- */
-
-#define SK_RLMT_RCS_SEG 1 /* RLMT Check State: check seg. */
-#define SK_RLMT_RCS_START_SEG 2 /* RLMT Check State: start check seg. */
-#define SK_RLMT_RCS_SEND_SEG 4 /* RLMT Check State: send BPDU packet */
-#define SK_RLMT_RCS_REPORT_SEG 8 /* RLMT Check State: report seg. */
-
-/* ----- Private PORT checking states ----- */
-
-#define SK_RLMT_PCS_TX 1 /* Port Check State: check tx. */
-#define SK_RLMT_PCS_RX 2 /* Port Check State: check rx. */
-
-/* ----- Private PORT events ----- */
-
-/* Note: Update simulation when changing these. */
-#define SK_RLMT_PORTSTART_TIM 1100 /* Port start timeout. */
-#define SK_RLMT_PORTUP_TIM 1101 /* Port can now go up. */
-#define SK_RLMT_PORTDOWN_RX_TIM 1102 /* Port did not receive once ... */
-#define SK_RLMT_PORTDOWN 1103 /* Port went down. */
-#define SK_RLMT_PORTDOWN_TX_TIM 1104 /* Partner did not receive ... */
-
-/* ----- Private RLMT events ----- */
-
-/* Note: Update simulation when changing these. */
-#define SK_RLMT_TIM 2100 /* RLMT timeout. */
-#define SK_RLMT_SEG_TIM 2101 /* RLMT segmentation check timeout. */
-
-#define TO_SHORTEN(tim) ((tim) / 2)
-
-/* Error numbers and messages. */
-#define SKERR_RLMT_E001 (SK_ERRBASE_RLMT + 0)
-#define SKERR_RLMT_E001_MSG "No Packet."
-#define SKERR_RLMT_E002 (SKERR_RLMT_E001 + 1)
-#define SKERR_RLMT_E002_MSG "Short Packet."
-#define SKERR_RLMT_E003 (SKERR_RLMT_E002 + 1)
-#define SKERR_RLMT_E003_MSG "Unknown RLMT event."
-#define SKERR_RLMT_E004 (SKERR_RLMT_E003 + 1)
-#define SKERR_RLMT_E004_MSG "PortsUp incorrect."
-#define SKERR_RLMT_E005 (SKERR_RLMT_E004 + 1)
-#define SKERR_RLMT_E005_MSG \
- "Net seems to be segmented (different root bridges are reported on the ports)."
-#define SKERR_RLMT_E006 (SKERR_RLMT_E005 + 1)
-#define SKERR_RLMT_E006_MSG "Duplicate MAC Address detected."
-#define SKERR_RLMT_E007 (SKERR_RLMT_E006 + 1)
-#define SKERR_RLMT_E007_MSG "LinksUp incorrect."
-#define SKERR_RLMT_E008 (SKERR_RLMT_E007 + 1)
-#define SKERR_RLMT_E008_MSG "Port not started but link came up."
-#define SKERR_RLMT_E009 (SKERR_RLMT_E008 + 1)
-#define SKERR_RLMT_E009_MSG "Corrected illegal setting of Preferred Port."
-#define SKERR_RLMT_E010 (SKERR_RLMT_E009 + 1)
-#define SKERR_RLMT_E010_MSG "Ignored illegal Preferred Port."
-
-/* LLC field values. */
-#define LLC_COMMAND_RESPONSE_BIT 1
-#define LLC_TEST_COMMAND 0xE3
-#define LLC_UI 0x03
-
-/* RLMT Packet fields. */
-#define SK_RLMT_DSAP 0
-#define SK_RLMT_SSAP 0
-#define SK_RLMT_CTRL (LLC_TEST_COMMAND)
-#define SK_RLMT_INDICATOR0 0x53 /* S */
-#define SK_RLMT_INDICATOR1 0x4B /* K */
-#define SK_RLMT_INDICATOR2 0x2D /* - */
-#define SK_RLMT_INDICATOR3 0x52 /* R */
-#define SK_RLMT_INDICATOR4 0x4C /* L */
-#define SK_RLMT_INDICATOR5 0x4D /* M */
-#define SK_RLMT_INDICATOR6 0x54 /* T */
-#define SK_RLMT_PACKET_VERSION 0
-
-/* RLMT SPT Flag values. */
-#define SK_RLMT_SPT_FLAG_CHANGE 0x01
-#define SK_RLMT_SPT_FLAG_CHANGE_ACK 0x80
-
-/* RLMT SPT Packet fields. */
-#define SK_RLMT_SPT_DSAP 0x42
-#define SK_RLMT_SPT_SSAP 0x42
-#define SK_RLMT_SPT_CTRL (LLC_UI)
-#define SK_RLMT_SPT_PROTOCOL_ID0 0x00
-#define SK_RLMT_SPT_PROTOCOL_ID1 0x00
-#define SK_RLMT_SPT_PROTOCOL_VERSION_ID 0x00
-#define SK_RLMT_SPT_BPDU_TYPE 0x00
-#define SK_RLMT_SPT_FLAGS 0x00 /* ?? */
-#define SK_RLMT_SPT_ROOT_ID0 0xFF /* Lowest possible priority. */
-#define SK_RLMT_SPT_ROOT_ID1 0xFF /* Lowest possible priority. */
-
-/* Remaining 6 bytes will be the current port address. */
-#define SK_RLMT_SPT_ROOT_PATH_COST0 0x00
-#define SK_RLMT_SPT_ROOT_PATH_COST1 0x00
-#define SK_RLMT_SPT_ROOT_PATH_COST2 0x00
-#define SK_RLMT_SPT_ROOT_PATH_COST3 0x00
-#define SK_RLMT_SPT_BRIDGE_ID0 0xFF /* Lowest possible priority. */
-#define SK_RLMT_SPT_BRIDGE_ID1 0xFF /* Lowest possible priority. */
-
-/* Remaining 6 bytes will be the current port address. */
-#define SK_RLMT_SPT_PORT_ID0 0xFF /* Lowest possible priority. */
-#define SK_RLMT_SPT_PORT_ID1 0xFF /* Lowest possible priority. */
-#define SK_RLMT_SPT_MSG_AGE0 0x00
-#define SK_RLMT_SPT_MSG_AGE1 0x00
-#define SK_RLMT_SPT_MAX_AGE0 0x00
-#define SK_RLMT_SPT_MAX_AGE1 0xFF
-#define SK_RLMT_SPT_HELLO_TIME0 0x00
-#define SK_RLMT_SPT_HELLO_TIME1 0xFF
-#define SK_RLMT_SPT_FWD_DELAY0 0x00
-#define SK_RLMT_SPT_FWD_DELAY1 0x40
-
-/* Size defines. */
-#define SK_RLMT_MIN_PACKET_SIZE 34
-#define SK_RLMT_MAX_PACKET_SIZE (SK_RLMT_MAX_TX_BUF_SIZE)
-#define SK_PACKET_DATA_LEN (SK_RLMT_MAX_PACKET_SIZE - \
- SK_RLMT_MIN_PACKET_SIZE)
-
-/* ----- RLMT packet types ----- */
-#define SK_PACKET_ANNOUNCE 1 /* Port announcement. */
-#define SK_PACKET_ALIVE 2 /* Alive packet to port. */
-#define SK_PACKET_ADDR_CHANGED 3 /* Port address changed. */
-#define SK_PACKET_CHECK_TX 4 /* Check your tx line. */
-
-#ifdef SK_LITTLE_ENDIAN
-#define SK_U16_TO_NETWORK_ORDER(Val,Addr) { \
- SK_U8 *_Addr = (SK_U8*)(Addr); \
- SK_U16 _Val = (SK_U16)(Val); \
- *_Addr++ = (SK_U8)(_Val >> 8); \
- *_Addr = (SK_U8)(_Val & 0xFF); \
-}
-#endif /* SK_LITTLE_ENDIAN */
-
-#ifdef SK_BIG_ENDIAN
-#define SK_U16_TO_NETWORK_ORDER(Val,Addr) (*(SK_U16*)(Addr) = (SK_U16)(Val))
-#endif /* SK_BIG_ENDIAN */
-
-#define AUTONEG_FAILED SK_FALSE
-#define AUTONEG_SUCCESS SK_TRUE
-
-
-/* typedefs *******************************************************************/
-
-/* RLMT packet. Length: SK_RLMT_MAX_PACKET_SIZE (60) bytes. */
-typedef struct s_RlmtPacket {
- SK_U8 DstAddr[SK_MAC_ADDR_LEN];
- SK_U8 SrcAddr[SK_MAC_ADDR_LEN];
- SK_U8 TypeLen[2];
- SK_U8 DSap;
- SK_U8 SSap;
- SK_U8 Ctrl;
- SK_U8 Indicator[7];
- SK_U8 RlmtPacketType[2];
- SK_U8 Align1[2];
- SK_U8 Random[4]; /* Random value of requesting(!) station. */
- SK_U8 RlmtPacketVersion[2]; /* RLMT Packet version. */
- SK_U8 Data[SK_PACKET_DATA_LEN];
-} SK_RLMT_PACKET;
-
-typedef struct s_SpTreeRlmtPacket {
- SK_U8 DstAddr[SK_MAC_ADDR_LEN];
- SK_U8 SrcAddr[SK_MAC_ADDR_LEN];
- SK_U8 TypeLen[2];
- SK_U8 DSap;
- SK_U8 SSap;
- SK_U8 Ctrl;
- SK_U8 ProtocolId[2];
- SK_U8 ProtocolVersionId;
- SK_U8 BpduType;
- SK_U8 Flags;
- SK_U8 RootId[8];
- SK_U8 RootPathCost[4];
- SK_U8 BridgeId[8];
- SK_U8 PortId[2];
- SK_U8 MessageAge[2];
- SK_U8 MaxAge[2];
- SK_U8 HelloTime[2];
- SK_U8 ForwardDelay[2];
-} SK_SPTREE_PACKET;
-
-/* global variables ***********************************************************/
-
-SK_MAC_ADDR SkRlmtMcAddr = {{0x01, 0x00, 0x5A, 0x52, 0x4C, 0x4D}};
-SK_MAC_ADDR BridgeMcAddr = {{0x01, 0x80, 0xC2, 0x00, 0x00, 0x00}};
-SK_MAC_ADDR BcAddr = {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}};
-
-/* local variables ************************************************************/
-
-/* None. */
-
-/* functions ******************************************************************/
-
-RLMT_STATIC void SkRlmtCheckSwitch(
- SK_AC *pAC,
- SK_IOC IoC,
- SK_U32 NetIdx);
-RLMT_STATIC void SkRlmtCheckSeg(
- SK_AC *pAC,
- SK_IOC IoC,
- SK_U32 NetIdx);
-RLMT_STATIC void SkRlmtEvtSetNets(
- SK_AC *pAC,
- SK_IOC IoC,
- SK_EVPARA Para);
-
-/******************************************************************************
- *
- * SkRlmtInit - initialize data, set state to init
- *
- * Description:
- *
- * SK_INIT_DATA
- * ============
- *
- * This routine initializes all RLMT-related variables to a known state.
- * The initial state is SK_RLMT_RS_INIT.
- * All ports are initialized to SK_RLMT_PS_INIT.
- *
- *
- * SK_INIT_IO
- * ==========
- *
- * Nothing.
- *
- *
- * SK_INIT_RUN
- * ===========
- *
- * Determine the adapter's random value.
- * Set the hw registers, the "logical MAC address", the
- * RLMT multicast address, and eventually the BPDU multicast address.
- *
- * Context:
- * init, pageable
- *
- * Returns:
- * Nothing.
- */
-void SkRlmtInit(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-int Level) /* Initialization Level */
-{
- SK_U32 i, j;
- SK_U64 Random;
- SK_EVPARA Para;
- SK_MAC_ADDR VirtualMacAddress;
- SK_MAC_ADDR PhysicalAMacAddress;
- SK_BOOL VirtualMacAddressSet;
- SK_BOOL PhysicalAMacAddressSet;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_INIT,
- ("RLMT Init level %d.\n", Level))
-
- switch (Level) {
- case SK_INIT_DATA: /* Initialize data structures. */
- SK_MEMSET((char *)&pAC->Rlmt, 0, sizeof(SK_RLMT));
-
- for (i = 0; i < SK_MAX_MACS; i++) {
- pAC->Rlmt.Port[i].PortState = SK_RLMT_PS_INIT;
- pAC->Rlmt.Port[i].LinkDown = SK_TRUE;
- pAC->Rlmt.Port[i].PortDown = SK_TRUE;
- pAC->Rlmt.Port[i].PortStarted = SK_FALSE;
- pAC->Rlmt.Port[i].PortNoRx = SK_FALSE;
- pAC->Rlmt.Port[i].RootIdSet = SK_FALSE;
- pAC->Rlmt.Port[i].PortNumber = i;
- pAC->Rlmt.Port[i].Net = &pAC->Rlmt.Net[0];
- pAC->Rlmt.Port[i].AddrPort = &pAC->Addr.Port[i];
- }
-
- pAC->Rlmt.NumNets = 1;
- for (i = 0; i < SK_MAX_NETS; i++) {
- pAC->Rlmt.Net[i].RlmtState = SK_RLMT_RS_INIT;
- pAC->Rlmt.Net[i].RootIdSet = SK_FALSE;
- pAC->Rlmt.Net[i].PrefPort = SK_RLMT_DEF_PREF_PORT;
- pAC->Rlmt.Net[i].Preference = 0xFFFFFFFF; /* Automatic. */
- /* Just assuming. */
- pAC->Rlmt.Net[i].ActivePort = pAC->Rlmt.Net[i].PrefPort;
- pAC->Rlmt.Net[i].RlmtMode = SK_RLMT_DEF_MODE;
- pAC->Rlmt.Net[i].TimeoutValue = SK_RLMT_DEF_TO_VAL;
- pAC->Rlmt.Net[i].NetNumber = i;
- }
-
- pAC->Rlmt.Net[0].Port[0] = &pAC->Rlmt.Port[0];
- pAC->Rlmt.Net[0].Port[1] = &pAC->Rlmt.Port[1];
-#if SK_MAX_NETS > 1
- pAC->Rlmt.Net[1].Port[0] = &pAC->Rlmt.Port[1];
-#endif /* SK_MAX_NETS > 1 */
- break;
-
- case SK_INIT_IO: /* GIMacsFound first available here. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_INIT,
- ("RLMT: %d MACs were detected.\n", pAC->GIni.GIMacsFound))
-
- pAC->Rlmt.Net[0].NumPorts = pAC->GIni.GIMacsFound;
-
- /* Initialize HW registers? */
- if (pAC->GIni.GIMacsFound == 1) {
- Para.Para32[0] = SK_RLMT_MODE_CLS;
- Para.Para32[1] = 0;
- (void)SkRlmtEvent(pAC, IoC, SK_RLMT_MODE_CHANGE, Para);
- }
- break;
-
- case SK_INIT_RUN:
- /* Ensure RLMT is set to one net. */
- if (pAC->Rlmt.NumNets > 1) {
- Para.Para32[0] = 1;
- Para.Para32[1] = -1;
- SkRlmtEvtSetNets(pAC, IoC, Para);
- }
-
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- Random = SkOsGetTime(pAC);
- *(SK_U32*)&pAC->Rlmt.Port[i].Random = *(SK_U32*)&Random;
-
- for (j = 0; j < 4; j++) {
- pAC->Rlmt.Port[i].Random[j] ^= pAC->Rlmt.Port[i].AddrPort->
- CurrentMacAddress.a[SK_MAC_ADDR_LEN - 1 - j];
- }
-
- (void)SkAddrMcClear(pAC, IoC, i, SK_ADDR_PERMANENT | SK_MC_SW_ONLY);
-
- /* Add RLMT MC address. */
- (void)SkAddrMcAdd(pAC, IoC, i, &SkRlmtMcAddr, SK_ADDR_PERMANENT);
-
- if (pAC->Rlmt.Net[0].RlmtMode & SK_RLMT_CHECK_SEG) {
- /* Add BPDU MC address. */
- (void)SkAddrMcAdd(pAC, IoC, i, &BridgeMcAddr, SK_ADDR_PERMANENT);
- }
-
- (void)SkAddrMcUpdate(pAC, IoC, i);
- }
-
- VirtualMacAddressSet = SK_FALSE;
- /* Read virtual MAC address from Control Register File. */
- for (j = 0; j < SK_MAC_ADDR_LEN; j++) {
-
- SK_IN8(IoC, B2_MAC_1 + j, &VirtualMacAddress.a[j]);
- VirtualMacAddressSet |= VirtualMacAddress.a[j];
- }
-
- PhysicalAMacAddressSet = SK_FALSE;
- /* Read physical MAC address for MAC A from Control Register File. */
- for (j = 0; j < SK_MAC_ADDR_LEN; j++) {
-
- SK_IN8(IoC, B2_MAC_2 + j, &PhysicalAMacAddress.a[j]);
- PhysicalAMacAddressSet |= PhysicalAMacAddress.a[j];
- }
-
- /* check if the two mac addresses contain reasonable values */
- if (!VirtualMacAddressSet || !PhysicalAMacAddressSet) {
-
- pAC->Rlmt.RlmtOff = SK_TRUE;
- }
-
- /* if the two mac addresses are equal switch off the RLMT_PRE_LOOKAHEAD
- and the RLMT_LOOKAHEAD macros */
- else if (SK_ADDR_EQUAL(PhysicalAMacAddress.a, VirtualMacAddress.a)) {
-
- pAC->Rlmt.RlmtOff = SK_TRUE;
- }
- else {
- pAC->Rlmt.RlmtOff = SK_FALSE;
- }
- break;
-
- default: /* error */
- break;
- }
- return;
-} /* SkRlmtInit */
-
-
-/******************************************************************************
- *
- * SkRlmtBuildCheckChain - build the check chain
- *
- * Description:
- * This routine builds the local check chain:
- * - Each port that is up checks the next port.
- * - The last port that is up checks the first port that is up.
- *
- * Notes:
- * - Currently only local ports are considered when building the chain.
- * - Currently the SuspectState is just reset;
- * it would be better to save it ...
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtBuildCheckChain(
-SK_AC *pAC, /* Adapter Context */
-SK_U32 NetIdx) /* Net Number */
-{
- SK_U32 i;
- SK_U32 NumMacsUp;
- SK_RLMT_PORT * FirstMacUp;
- SK_RLMT_PORT * PrevMacUp;
-
- FirstMacUp = NULL;
- PrevMacUp = NULL;
-
- if (!(pAC->Rlmt.Net[NetIdx].RlmtMode & SK_RLMT_CHECK_LOC_LINK)) {
- for (i = 0; i < pAC->Rlmt.Net[i].NumPorts; i++) {
- pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked = 0;
- }
- return; /* Done. */
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SkRlmtBuildCheckChain.\n"))
-
- NumMacsUp = 0;
-
- for (i = 0; i < pAC->Rlmt.Net[NetIdx].NumPorts; i++) {
- pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked = 0;
- pAC->Rlmt.Net[NetIdx].Port[i]->PortsSuspect = 0;
- pAC->Rlmt.Net[NetIdx].Port[i]->CheckingState &=
- ~(SK_RLMT_PCS_RX | SK_RLMT_PCS_TX);
-
- /*
- * If more than two links are detected we should consider
- * checking at least two other ports:
- * 1. the next port that is not LinkDown and
- * 2. the next port that is not PortDown.
- */
- if (!pAC->Rlmt.Net[NetIdx].Port[i]->LinkDown) {
- if (NumMacsUp == 0) {
- FirstMacUp = pAC->Rlmt.Net[NetIdx].Port[i];
- }
- else {
- PrevMacUp->PortCheck[
- pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked].CheckAddr =
- pAC->Rlmt.Net[NetIdx].Port[i]->AddrPort->CurrentMacAddress;
- PrevMacUp->PortCheck[
- PrevMacUp->PortsChecked].SuspectTx = SK_FALSE;
- PrevMacUp->PortsChecked++;
- }
- PrevMacUp = pAC->Rlmt.Net[NetIdx].Port[i];
- NumMacsUp++;
- }
- }
-
- if (NumMacsUp > 1) {
- PrevMacUp->PortCheck[PrevMacUp->PortsChecked].CheckAddr =
- FirstMacUp->AddrPort->CurrentMacAddress;
- PrevMacUp->PortCheck[PrevMacUp->PortsChecked].SuspectTx =
- SK_FALSE;
- PrevMacUp->PortsChecked++;
- }
-
-#ifdef DEBUG
- for (i = 0; i < pAC->Rlmt.Net[NetIdx].NumPorts; i++) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Port %d checks %d other ports: %2X.\n", i,
- pAC->Rlmt.Net[NetIdx].Port[i]->PortsChecked,
- pAC->Rlmt.Net[NetIdx].Port[i]->PortCheck[0].CheckAddr.a[5]))
- }
-#endif /* DEBUG */
-
- return;
-} /* SkRlmtBuildCheckChain */
-
-
-/******************************************************************************
- *
- * SkRlmtBuildPacket - build an RLMT packet
- *
- * Description:
- * This routine sets up an RLMT packet.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * NULL or pointer to RLMT mbuf
- */
-RLMT_STATIC SK_MBUF *SkRlmtBuildPacket(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 PortNumber, /* Sending port */
-SK_U16 PacketType, /* RLMT packet type */
-SK_MAC_ADDR *SrcAddr, /* Source address */
-SK_MAC_ADDR *DestAddr) /* Destination address */
-{
- int i;
- SK_U16 Length;
- SK_MBUF *pMb;
- SK_RLMT_PACKET *pPacket;
-
-#ifdef DEBUG
- SK_U8 CheckSrc = 0;
- SK_U8 CheckDest = 0;
-
- for (i = 0; i < SK_MAC_ADDR_LEN; ++i) {
- CheckSrc |= SrcAddr->a[i];
- CheckDest |= DestAddr->a[i];
- }
-
- if ((CheckSrc == 0) || (CheckDest == 0)) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_ERR,
- ("SkRlmtBuildPacket: Invalid %s%saddr.\n",
- (CheckSrc == 0 ? "Src" : ""), (CheckDest == 0 ? "Dest" : "")))
- }
-#endif
-
- if ((pMb = SkDrvAllocRlmtMbuf(pAC, IoC, SK_RLMT_MAX_PACKET_SIZE)) != NULL) {
- pPacket = (SK_RLMT_PACKET*)pMb->pData;
- for (i = 0; i < SK_MAC_ADDR_LEN; i++) {
- pPacket->DstAddr[i] = DestAddr->a[i];
- pPacket->SrcAddr[i] = SrcAddr->a[i];
- }
- pPacket->DSap = SK_RLMT_DSAP;
- pPacket->SSap = SK_RLMT_SSAP;
- pPacket->Ctrl = SK_RLMT_CTRL;
- pPacket->Indicator[0] = SK_RLMT_INDICATOR0;
- pPacket->Indicator[1] = SK_RLMT_INDICATOR1;
- pPacket->Indicator[2] = SK_RLMT_INDICATOR2;
- pPacket->Indicator[3] = SK_RLMT_INDICATOR3;
- pPacket->Indicator[4] = SK_RLMT_INDICATOR4;
- pPacket->Indicator[5] = SK_RLMT_INDICATOR5;
- pPacket->Indicator[6] = SK_RLMT_INDICATOR6;
-
- SK_U16_TO_NETWORK_ORDER(PacketType, &pPacket->RlmtPacketType[0]);
-
- for (i = 0; i < 4; i++) {
- pPacket->Random[i] = pAC->Rlmt.Port[PortNumber].Random[i];
- }
-
- SK_U16_TO_NETWORK_ORDER(
- SK_RLMT_PACKET_VERSION, &pPacket->RlmtPacketVersion[0]);
-
- for (i = 0; i < SK_PACKET_DATA_LEN; i++) {
- pPacket->Data[i] = 0x00;
- }
-
- Length = SK_RLMT_MAX_PACKET_SIZE; /* Or smaller. */
- pMb->Length = Length;
- pMb->PortIdx = PortNumber;
- Length -= 14;
- SK_U16_TO_NETWORK_ORDER(Length, &pPacket->TypeLen[0]);
-
- if (PacketType == SK_PACKET_ALIVE) {
- pAC->Rlmt.Port[PortNumber].TxHelloCts++;
- }
- }
-
- return (pMb);
-} /* SkRlmtBuildPacket */
-
-
-/******************************************************************************
- *
- * SkRlmtBuildSpanningTreePacket - build spanning tree check packet
- *
- * Description:
- * This routine sets up a BPDU packet for spanning tree check.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * NULL or pointer to RLMT mbuf
- */
-RLMT_STATIC SK_MBUF *SkRlmtBuildSpanningTreePacket(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 PortNumber) /* Sending port */
-{
- unsigned i;
- SK_U16 Length;
- SK_MBUF *pMb;
- SK_SPTREE_PACKET *pSPacket;
-
- if ((pMb = SkDrvAllocRlmtMbuf(pAC, IoC, SK_RLMT_MAX_PACKET_SIZE)) !=
- NULL) {
- pSPacket = (SK_SPTREE_PACKET*)pMb->pData;
- for (i = 0; i < SK_MAC_ADDR_LEN; i++) {
- pSPacket->DstAddr[i] = BridgeMcAddr.a[i];
- pSPacket->SrcAddr[i] =
- pAC->Addr.Port[PortNumber].CurrentMacAddress.a[i];
- }
- pSPacket->DSap = SK_RLMT_SPT_DSAP;
- pSPacket->SSap = SK_RLMT_SPT_SSAP;
- pSPacket->Ctrl = SK_RLMT_SPT_CTRL;
-
- pSPacket->ProtocolId[0] = SK_RLMT_SPT_PROTOCOL_ID0;
- pSPacket->ProtocolId[1] = SK_RLMT_SPT_PROTOCOL_ID1;
- pSPacket->ProtocolVersionId = SK_RLMT_SPT_PROTOCOL_VERSION_ID;
- pSPacket->BpduType = SK_RLMT_SPT_BPDU_TYPE;
- pSPacket->Flags = SK_RLMT_SPT_FLAGS;
- pSPacket->RootId[0] = SK_RLMT_SPT_ROOT_ID0;
- pSPacket->RootId[1] = SK_RLMT_SPT_ROOT_ID1;
- pSPacket->RootPathCost[0] = SK_RLMT_SPT_ROOT_PATH_COST0;
- pSPacket->RootPathCost[1] = SK_RLMT_SPT_ROOT_PATH_COST1;
- pSPacket->RootPathCost[2] = SK_RLMT_SPT_ROOT_PATH_COST2;
- pSPacket->RootPathCost[3] = SK_RLMT_SPT_ROOT_PATH_COST3;
- pSPacket->BridgeId[0] = SK_RLMT_SPT_BRIDGE_ID0;
- pSPacket->BridgeId[1] = SK_RLMT_SPT_BRIDGE_ID1;
-
- /*
- * Use logical MAC address as bridge ID and filter these packets
- * on receive.
- */
- for (i = 0; i < SK_MAC_ADDR_LEN; i++) {
- pSPacket->BridgeId[i + 2] = pSPacket->RootId[i + 2] =
- pAC->Addr.Net[pAC->Rlmt.Port[PortNumber].Net->NetNumber].
- CurrentMacAddress.a[i];
- }
- pSPacket->PortId[0] = SK_RLMT_SPT_PORT_ID0;
- pSPacket->PortId[1] = SK_RLMT_SPT_PORT_ID1;
- pSPacket->MessageAge[0] = SK_RLMT_SPT_MSG_AGE0;
- pSPacket->MessageAge[1] = SK_RLMT_SPT_MSG_AGE1;
- pSPacket->MaxAge[0] = SK_RLMT_SPT_MAX_AGE0;
- pSPacket->MaxAge[1] = SK_RLMT_SPT_MAX_AGE1;
- pSPacket->HelloTime[0] = SK_RLMT_SPT_HELLO_TIME0;
- pSPacket->HelloTime[1] = SK_RLMT_SPT_HELLO_TIME1;
- pSPacket->ForwardDelay[0] = SK_RLMT_SPT_FWD_DELAY0;
- pSPacket->ForwardDelay[1] = SK_RLMT_SPT_FWD_DELAY1;
-
- Length = SK_RLMT_MAX_PACKET_SIZE; /* Or smaller. */
- pMb->Length = Length;
- pMb->PortIdx = PortNumber;
- Length -= 14;
- SK_U16_TO_NETWORK_ORDER(Length, &pSPacket->TypeLen[0]);
-
- pAC->Rlmt.Port[PortNumber].TxSpHelloReqCts++;
- }
-
- return (pMb);
-} /* SkRlmtBuildSpanningTreePacket */
-
-
-/******************************************************************************
- *
- * SkRlmtSend - build and send check packets
- *
- * Description:
- * Depending on the RLMT state and the checking state, several packets
- * are sent through the indicated port.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * Nothing.
- */
-RLMT_STATIC void SkRlmtSend(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 PortNumber) /* Sending port */
-{
- unsigned j;
- SK_EVPARA Para;
- SK_RLMT_PORT *pRPort;
-
- pRPort = &pAC->Rlmt.Port[PortNumber];
- if (pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_LOC_LINK) {
- if (pRPort->CheckingState & (SK_RLMT_PCS_TX | SK_RLMT_PCS_RX)) {
- /* Port is suspicious. Send the RLMT packet to the RLMT mc addr. */
- if ((Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, PortNumber,
- SK_PACKET_ALIVE, &pAC->Addr.Port[PortNumber].CurrentMacAddress,
- &SkRlmtMcAddr)) != NULL) {
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- }
- }
- else {
- /*
- * Send a directed RLMT packet to all ports that are
- * checked by the indicated port.
- */
- for (j = 0; j < pRPort->PortsChecked; j++) {
- if ((Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, PortNumber,
- SK_PACKET_ALIVE, &pAC->Addr.Port[PortNumber].CurrentMacAddress,
- &pRPort->PortCheck[j].CheckAddr)) != NULL) {
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- }
- }
- }
- }
-
- if ((pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_SEG) &&
- (pAC->Rlmt.Port[PortNumber].Net->CheckingState & SK_RLMT_RCS_SEND_SEG)) {
- /*
- * Send a BPDU packet to make a connected switch tell us
- * the correct root bridge.
- */
- if ((Para.pParaPtr =
- SkRlmtBuildSpanningTreePacket(pAC, IoC, PortNumber)) != NULL) {
- pAC->Rlmt.Port[PortNumber].Net->CheckingState &= ~SK_RLMT_RCS_SEND_SEG;
- pRPort->RootIdSet = SK_FALSE;
-
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_TX,
- ("SkRlmtSend: BPDU Packet on Port %u.\n", PortNumber))
- }
- }
- return;
-} /* SkRlmtSend */
-
-
-/******************************************************************************
- *
- * SkRlmtPortReceives - check if port is (going) down and bring it up
- *
- * Description:
- * This routine checks if a port who received a non-BPDU packet
- * needs to go up or needs to be stopped going down.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * Nothing.
- */
-RLMT_STATIC void SkRlmtPortReceives(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 PortNumber) /* Port to check */
-{
- SK_RLMT_PORT *pRPort;
- SK_EVPARA Para;
-
- pRPort = &pAC->Rlmt.Port[PortNumber];
- pRPort->PortNoRx = SK_FALSE;
-
- if ((pRPort->PortState == SK_RLMT_PS_DOWN) &&
- !(pRPort->CheckingState & SK_RLMT_PCS_TX)) {
- /*
- * Port is marked down (rx), but received a non-BPDU packet.
- * Bring it up.
- */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Received on PortDown.\n"))
-
- pRPort->PortState = SK_RLMT_PS_GOING_UP;
- pRPort->GuTimeStamp = SkOsGetTime(pAC);
- Para.Para32[0] = PortNumber;
- Para.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pRPort->UpTimer, SK_RLMT_PORTUP_TIM_VAL,
- SKGE_RLMT, SK_RLMT_PORTUP_TIM, Para);
- pRPort->CheckingState &= ~SK_RLMT_PCS_RX;
- /* pAC->Rlmt.CheckSwitch = SK_TRUE; */
- SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber);
- } /* PortDown && !SuspectTx */
- else if (pRPort->CheckingState & SK_RLMT_PCS_RX) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Stop bringing port down.\n"))
- SkTimerStop(pAC, IoC, &pRPort->DownRxTimer);
- pRPort->CheckingState &= ~SK_RLMT_PCS_RX;
- /* pAC->Rlmt.CheckSwitch = SK_TRUE; */
- SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber);
- } /* PortGoingDown */
-
- return;
-} /* SkRlmtPortReceives */
-
-
-/******************************************************************************
- *
- * SkRlmtPacketReceive - receive a packet for closer examination
- *
- * Description:
- * This routine examines a packet more closely than SK_RLMT_LOOKAHEAD.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * Nothing.
- */
-RLMT_STATIC void SkRlmtPacketReceive(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_MBUF *pMb) /* Received packet */
-{
-#ifdef xDEBUG
- extern void DumpData(char *p, int size);
-#endif /* DEBUG */
- int i;
- unsigned j;
- SK_U16 PacketType;
- SK_U32 PortNumber;
- SK_ADDR_PORT *pAPort;
- SK_RLMT_PORT *pRPort;
- SK_RLMT_PACKET *pRPacket;
- SK_SPTREE_PACKET *pSPacket;
- SK_EVPARA Para;
-
- PortNumber = pMb->PortIdx;
- pAPort = &pAC->Addr.Port[PortNumber];
- pRPort = &pAC->Rlmt.Port[PortNumber];
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: PortNumber == %d.\n", PortNumber))
-
- pRPacket = (SK_RLMT_PACKET*)pMb->pData;
- pSPacket = (SK_SPTREE_PACKET*)pRPacket;
-
-#ifdef xDEBUG
- DumpData((char *)pRPacket, 32);
-#endif /* DEBUG */
-
- if ((pRPort->PacketsPerTimeSlot - pRPort->BpduPacketsPerTimeSlot) != 0) {
- SkRlmtPortReceives(pAC, IoC, PortNumber);
- }
-
- /* Check destination address. */
-
- if (!SK_ADDR_EQUAL(pAPort->CurrentMacAddress.a, pRPacket->DstAddr) &&
- !SK_ADDR_EQUAL(SkRlmtMcAddr.a, pRPacket->DstAddr) &&
- !SK_ADDR_EQUAL(BridgeMcAddr.a, pRPacket->DstAddr)) {
-
- /* Not sent to current MAC or registered MC address => Trash it. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Not for me.\n"))
-
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- return;
- }
- else if (SK_ADDR_EQUAL(pAPort->CurrentMacAddress.a, pRPacket->SrcAddr)) {
-
- /*
- * Was sent by same port (may happen during port switching
- * or in case of duplicate MAC addresses).
- */
-
- /*
- * Check for duplicate address here:
- * If Packet.Random != My.Random => DupAddr.
- */
- for (i = 3; i >= 0; i--) {
- if (pRPort->Random[i] != pRPacket->Random[i]) {
- break;
- }
- }
-
- /*
- * CAUTION: Do not check for duplicate MAC address in RLMT Alive Reply
- * packets (they have the LLC_COMMAND_RESPONSE_BIT set in
- * pRPacket->SSap).
- */
- if (i >= 0 && pRPacket->DSap == SK_RLMT_DSAP &&
- pRPacket->Ctrl == SK_RLMT_CTRL &&
- pRPacket->SSap == SK_RLMT_SSAP &&
- pRPacket->Indicator[0] == SK_RLMT_INDICATOR0 &&
- pRPacket->Indicator[1] == SK_RLMT_INDICATOR1 &&
- pRPacket->Indicator[2] == SK_RLMT_INDICATOR2 &&
- pRPacket->Indicator[3] == SK_RLMT_INDICATOR3 &&
- pRPacket->Indicator[4] == SK_RLMT_INDICATOR4 &&
- pRPacket->Indicator[5] == SK_RLMT_INDICATOR5 &&
- pRPacket->Indicator[6] == SK_RLMT_INDICATOR6) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Duplicate MAC Address.\n"))
-
- /* Error Log entry. */
- SK_ERR_LOG(pAC, SK_ERRCL_COMM, SKERR_RLMT_E006, SKERR_RLMT_E006_MSG);
- }
- else {
- /* Simply trash it. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Sent by me.\n"))
- }
-
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- return;
- }
-
- /* Check SuspectTx entries. */
- if (pRPort->PortsSuspect > 0) {
- for (j = 0; j < pRPort->PortsChecked; j++) {
- if (pRPort->PortCheck[j].SuspectTx &&
- SK_ADDR_EQUAL(
- pRPacket->SrcAddr, pRPort->PortCheck[j].CheckAddr.a)) {
- pRPort->PortCheck[j].SuspectTx = SK_FALSE;
- pRPort->PortsSuspect--;
- break;
- }
- }
- }
-
- /* Determine type of packet. */
- if (pRPacket->DSap == SK_RLMT_DSAP &&
- pRPacket->Ctrl == SK_RLMT_CTRL &&
- (pRPacket->SSap & ~LLC_COMMAND_RESPONSE_BIT) == SK_RLMT_SSAP &&
- pRPacket->Indicator[0] == SK_RLMT_INDICATOR0 &&
- pRPacket->Indicator[1] == SK_RLMT_INDICATOR1 &&
- pRPacket->Indicator[2] == SK_RLMT_INDICATOR2 &&
- pRPacket->Indicator[3] == SK_RLMT_INDICATOR3 &&
- pRPacket->Indicator[4] == SK_RLMT_INDICATOR4 &&
- pRPacket->Indicator[5] == SK_RLMT_INDICATOR5 &&
- pRPacket->Indicator[6] == SK_RLMT_INDICATOR6) {
-
- /* It's an RLMT packet. */
- PacketType = (SK_U16)((pRPacket->RlmtPacketType[0] << 8) |
- pRPacket->RlmtPacketType[1]);
-
- switch (PacketType) {
- case SK_PACKET_ANNOUNCE: /* Not yet used. */
-#if 0
- /* Build the check chain. */
- SkRlmtBuildCheckChain(pAC);
-#endif /* 0 */
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Announce.\n"))
-
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- break;
-
- case SK_PACKET_ALIVE:
- if (pRPacket->SSap & LLC_COMMAND_RESPONSE_BIT) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Alive Reply.\n"))
-
- if (!(pAC->Addr.Port[PortNumber].PromMode & SK_PROM_MODE_LLC) ||
- SK_ADDR_EQUAL(
- pRPacket->DstAddr, pAPort->CurrentMacAddress.a)) {
- /* Obviously we could send something. */
- if (pRPort->CheckingState & SK_RLMT_PCS_TX) {
- pRPort->CheckingState &= ~SK_RLMT_PCS_TX;
- SkTimerStop(pAC, IoC, &pRPort->DownTxTimer);
- }
-
- if ((pRPort->PortState == SK_RLMT_PS_DOWN) &&
- !(pRPort->CheckingState & SK_RLMT_PCS_RX)) {
- pRPort->PortState = SK_RLMT_PS_GOING_UP;
- pRPort->GuTimeStamp = SkOsGetTime(pAC);
-
- SkTimerStop(pAC, IoC, &pRPort->DownTxTimer);
-
- Para.Para32[0] = PortNumber;
- Para.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pRPort->UpTimer,
- SK_RLMT_PORTUP_TIM_VAL, SKGE_RLMT,
- SK_RLMT_PORTUP_TIM, Para);
- }
- }
-
- /* Mark sending port as alive? */
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- }
- else { /* Alive Request Packet. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Alive Request.\n"))
-
- pRPort->RxHelloCts++;
-
- /* Answer. */
- for (i = 0; i < SK_MAC_ADDR_LEN; i++) {
- pRPacket->DstAddr[i] = pRPacket->SrcAddr[i];
- pRPacket->SrcAddr[i] =
- pAC->Addr.Port[PortNumber].CurrentMacAddress.a[i];
- }
- pRPacket->SSap |= LLC_COMMAND_RESPONSE_BIT;
-
- Para.pParaPtr = pMb;
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- }
- break;
-
- case SK_PACKET_CHECK_TX:
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Check your tx line.\n"))
-
- /* A port checking us requests us to check our tx line. */
- pRPort->CheckingState |= SK_RLMT_PCS_TX;
-
- /* Start PortDownTx timer. */
- Para.Para32[0] = PortNumber;
- Para.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pRPort->DownTxTimer,
- SK_RLMT_PORTDOWN_TIM_VAL, SKGE_RLMT,
- SK_RLMT_PORTDOWN_TX_TIM, Para);
-
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
-
- if ((Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, PortNumber,
- SK_PACKET_ALIVE, &pAC->Addr.Port[PortNumber].CurrentMacAddress,
- &SkRlmtMcAddr)) != NULL) {
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- }
- break;
-
- case SK_PACKET_ADDR_CHANGED:
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Address Change.\n"))
-
- /* Build the check chain. */
- SkRlmtBuildCheckChain(pAC, pRPort->Net->NetNumber);
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- break;
-
- default:
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Unknown RLMT packet.\n"))
-
- /* RA;:;: ??? */
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- }
- }
- else if (pSPacket->DSap == SK_RLMT_SPT_DSAP &&
- pSPacket->Ctrl == SK_RLMT_SPT_CTRL &&
- (pSPacket->SSap & ~LLC_COMMAND_RESPONSE_BIT) == SK_RLMT_SPT_SSAP) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: BPDU Packet.\n"))
-
- /* Spanning Tree packet. */
- pRPort->RxSpHelloCts++;
-
- if (!SK_ADDR_EQUAL(&pSPacket->RootId[2], &pAC->Addr.Net[pAC->Rlmt.
- Port[PortNumber].Net->NetNumber].CurrentMacAddress.a[0])) {
- /*
- * Check segmentation if a new root bridge is set and
- * the segmentation check is not currently running.
- */
- if (!SK_ADDR_EQUAL(&pSPacket->RootId[2], &pRPort->Root.Id[2]) &&
- (pAC->Rlmt.Port[PortNumber].Net->LinksUp > 1) &&
- (pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_SEG)
- != 0 && (pAC->Rlmt.Port[PortNumber].Net->CheckingState &
- SK_RLMT_RCS_SEG) == 0) {
- pAC->Rlmt.Port[PortNumber].Net->CheckingState |=
- SK_RLMT_RCS_START_SEG | SK_RLMT_RCS_SEND_SEG;
- }
-
- /* Store tree view of this port. */
- for (i = 0; i < 8; i++) {
- pRPort->Root.Id[i] = pSPacket->RootId[i];
- }
- pRPort->RootIdSet = SK_TRUE;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_DUMP,
- ("Root ID %d: %02x %02x %02x %02x %02x %02x %02x %02x.\n",
- PortNumber,
- pRPort->Root.Id[0], pRPort->Root.Id[1],
- pRPort->Root.Id[2], pRPort->Root.Id[3],
- pRPort->Root.Id[4], pRPort->Root.Id[5],
- pRPort->Root.Id[6], pRPort->Root.Id[7]))
- }
-
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- if ((pAC->Rlmt.Port[PortNumber].Net->CheckingState &
- SK_RLMT_RCS_REPORT_SEG) != 0) {
- SkRlmtCheckSeg(pAC, IoC, pAC->Rlmt.Port[PortNumber].Net->NetNumber);
- }
- }
- else {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_RX,
- ("SkRlmtPacketReceive: Unknown Packet Type.\n"))
-
- /* Unknown packet. */
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- }
- return;
-} /* SkRlmtPacketReceive */
-
-
-/******************************************************************************
- *
- * SkRlmtCheckPort - check if a port works
- *
- * Description:
- * This routine checks if a port whose link is up received something
- * and if it seems to transmit successfully.
- *
- * # PortState: PsInit, PsLinkDown, PsDown, PsGoingUp, PsUp
- * # PortCheckingState (Bitfield): ChkTx, ChkRx, ChkSeg
- * # RlmtCheckingState (Bitfield): ChkSeg, StartChkSeg, ReportSeg
- *
- * if (Rx - RxBpdu == 0) { # No rx.
- * if (state == PsUp) {
- * PortCheckingState |= ChkRx
- * }
- * if (ModeCheckSeg && (Timeout ==
- * TO_SHORTEN(RLMT_DEFAULT_TIMEOUT))) {
- * RlmtCheckingState |= ChkSeg)
- * PortCheckingState |= ChkSeg
- * }
- * NewTimeout = TO_SHORTEN(Timeout)
- * if (NewTimeout < RLMT_MIN_TIMEOUT) {
- * NewTimeout = RLMT_MIN_TIMEOUT
- * PortState = PsDown
- * ...
- * }
- * }
- * else { # something was received
- * # Set counter to 0 at LinkDown?
- * # No - rx may be reported after LinkDown ???
- * PortCheckingState &= ~ChkRx
- * NewTimeout = RLMT_DEFAULT_TIMEOUT
- * if (RxAck == 0) {
- * possible reasons:
- * is my tx line bad? --
- * send RLMT multicast and report
- * back internally? (only possible
- * between ports on same adapter)
- * }
- * if (RxChk == 0) {
- * possible reasons:
- * - tx line of port set to check me
- * maybe bad
- * - no other port/adapter available or set
- * to check me
- * - adapter checking me has a longer
- * timeout
- * ??? anything that can be done here?
- * }
- * }
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * New timeout value.
- */
-RLMT_STATIC SK_U32 SkRlmtCheckPort(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 PortNumber) /* Port to check */
-{
- unsigned i;
- SK_U32 NewTimeout;
- SK_RLMT_PORT *pRPort;
- SK_EVPARA Para;
-
- pRPort = &pAC->Rlmt.Port[PortNumber];
-
- if ((pRPort->PacketsPerTimeSlot - pRPort->BpduPacketsPerTimeSlot) == 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SkRlmtCheckPort %d: No (%d) receives in last time slot.\n",
- PortNumber, pRPort->PacketsPerTimeSlot))
-
- /*
- * Check segmentation if there was no receive at least twice
- * in a row (PortNoRx is already set) and the segmentation
- * check is not currently running.
- */
-
- if (pRPort->PortNoRx && (pAC->Rlmt.Port[PortNumber].Net->LinksUp > 1) &&
- (pAC->Rlmt.Port[PortNumber].Net->RlmtMode & SK_RLMT_CHECK_SEG) &&
- !(pAC->Rlmt.Port[PortNumber].Net->CheckingState & SK_RLMT_RCS_SEG)) {
- pAC->Rlmt.Port[PortNumber].Net->CheckingState |=
- SK_RLMT_RCS_START_SEG | SK_RLMT_RCS_SEND_SEG;
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SkRlmtCheckPort: PortsSuspect %d, PcsRx %d.\n",
- pRPort->PortsSuspect, pRPort->CheckingState & SK_RLMT_PCS_RX))
-
- if (pRPort->PortState != SK_RLMT_PS_DOWN) {
- NewTimeout = TO_SHORTEN(pAC->Rlmt.Port[PortNumber].Net->TimeoutValue);
- if (NewTimeout < SK_RLMT_MIN_TO_VAL) {
- NewTimeout = SK_RLMT_MIN_TO_VAL;
- }
-
- if (!(pRPort->CheckingState & SK_RLMT_PCS_RX)) {
- Para.Para32[0] = PortNumber;
- pRPort->CheckingState |= SK_RLMT_PCS_RX;
-
- /*
- * What shall we do if the port checked by this one receives
- * our request frames? What's bad - our rx line or his tx line?
- */
- Para.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pRPort->DownRxTimer,
- SK_RLMT_PORTDOWN_TIM_VAL, SKGE_RLMT,
- SK_RLMT_PORTDOWN_RX_TIM, Para);
-
- for (i = 0; i < pRPort->PortsChecked; i++) {
- if (pRPort->PortCheck[i].SuspectTx) {
- continue;
- }
- pRPort->PortCheck[i].SuspectTx = SK_TRUE;
- pRPort->PortsSuspect++;
- if ((Para.pParaPtr =
- SkRlmtBuildPacket(pAC, IoC, PortNumber, SK_PACKET_CHECK_TX,
- &pAC->Addr.Port[PortNumber].CurrentMacAddress,
- &pRPort->PortCheck[i].CheckAddr)) != NULL) {
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- }
- }
- }
- }
- else { /* PortDown -- or all partners suspect. */
- NewTimeout = SK_RLMT_DEF_TO_VAL;
- }
- pRPort->PortNoRx = SK_TRUE;
- }
- else { /* A non-BPDU packet was received. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SkRlmtCheckPort %d: %d (%d) receives in last time slot.\n",
- PortNumber,
- pRPort->PacketsPerTimeSlot - pRPort->BpduPacketsPerTimeSlot,
- pRPort->PacketsPerTimeSlot))
-
- SkRlmtPortReceives(pAC, IoC, PortNumber);
- if (pAC->Rlmt.CheckSwitch) {
- SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber);
- }
-
- NewTimeout = SK_RLMT_DEF_TO_VAL;
- }
-
- return (NewTimeout);
-} /* SkRlmtCheckPort */
-
-
-/******************************************************************************
- *
- * SkRlmtSelectBcRx - select new active port, criteria 1 (CLP)
- *
- * Description:
- * This routine selects the port that received a broadcast frame
- * substantially later than all other ports.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * SK_BOOL
- */
-RLMT_STATIC SK_BOOL SkRlmtSelectBcRx(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 Active, /* Active port */
-SK_U32 PrefPort, /* Preferred port */
-SK_U32 *pSelect) /* New active port */
-{
- SK_U64 BcTimeStamp;
- SK_U32 i;
- SK_BOOL PortFound;
-
- BcTimeStamp = 0; /* Not totally necessary, but feeling better. */
- PortFound = SK_FALSE;
-
- /* Select port with the latest TimeStamp. */
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("TimeStamp Port %d (Down: %d, NoRx: %d): %08x %08x.\n",
- i,
- pAC->Rlmt.Port[i].PortDown, pAC->Rlmt.Port[i].PortNoRx,
- *((SK_U32*)(&pAC->Rlmt.Port[i].BcTimeStamp) + OFFS_HI32),
- *((SK_U32*)(&pAC->Rlmt.Port[i].BcTimeStamp) + OFFS_LO32)))
-
- if (!pAC->Rlmt.Port[i].PortDown && !pAC->Rlmt.Port[i].PortNoRx) {
- if (!PortFound || pAC->Rlmt.Port[i].BcTimeStamp > BcTimeStamp) {
- BcTimeStamp = pAC->Rlmt.Port[i].BcTimeStamp;
- *pSelect = i;
- PortFound = SK_TRUE;
- }
- }
- }
-
- if (PortFound) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Port %d received the last broadcast.\n", *pSelect))
-
- /* Look if another port's time stamp is similar. */
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- if (i == *pSelect) {
- continue;
- }
- if (!pAC->Rlmt.Port[i].PortDown && !pAC->Rlmt.Port[i].PortNoRx &&
- (pAC->Rlmt.Port[i].BcTimeStamp >
- BcTimeStamp - SK_RLMT_BC_DELTA ||
- pAC->Rlmt.Port[i].BcTimeStamp +
- SK_RLMT_BC_DELTA > BcTimeStamp)) {
- PortFound = SK_FALSE;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Port %d received a broadcast at a similar time.\n", i))
- break;
- }
- }
- }
-
-#ifdef DEBUG
- if (PortFound) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SELECT_BCRX found Port %d receiving the substantially "
- "latest broadcast (%u).\n",
- *pSelect,
- BcTimeStamp - pAC->Rlmt.Port[1 - *pSelect].BcTimeStamp))
- }
-#endif /* DEBUG */
-
- return (PortFound);
-} /* SkRlmtSelectBcRx */
-
-
-/******************************************************************************
- *
- * SkRlmtSelectNotSuspect - select new active port, criteria 2 (CLP)
- *
- * Description:
- * This routine selects a good port (it is PortUp && !SuspectRx).
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * SK_BOOL
- */
-RLMT_STATIC SK_BOOL SkRlmtSelectNotSuspect(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 Active, /* Active port */
-SK_U32 PrefPort, /* Preferred port */
-SK_U32 *pSelect) /* New active port */
-{
- SK_U32 i;
- SK_BOOL PortFound;
-
- PortFound = SK_FALSE;
-
- /* Select first port that is PortUp && !SuspectRx. */
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- if (!pAC->Rlmt.Port[i].PortDown &&
- !(pAC->Rlmt.Port[i].CheckingState & SK_RLMT_PCS_RX)) {
- *pSelect = i;
- if (!pAC->Rlmt.Port[Active].PortDown &&
- !(pAC->Rlmt.Port[Active].CheckingState & SK_RLMT_PCS_RX)) {
- *pSelect = Active;
- }
- if (!pAC->Rlmt.Port[PrefPort].PortDown &&
- !(pAC->Rlmt.Port[PrefPort].CheckingState & SK_RLMT_PCS_RX)) {
- *pSelect = PrefPort;
- }
- PortFound = SK_TRUE;
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SELECT_NOTSUSPECT found Port %d up and not check RX.\n",
- *pSelect))
- break;
- }
- }
- return (PortFound);
-} /* SkRlmtSelectNotSuspect */
-
-
-/******************************************************************************
- *
- * SkRlmtSelectUp - select new active port, criteria 3, 4 (CLP)
- *
- * Description:
- * This routine selects a port that is up.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * SK_BOOL
- */
-RLMT_STATIC SK_BOOL SkRlmtSelectUp(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 Active, /* Active port */
-SK_U32 PrefPort, /* Preferred port */
-SK_U32 *pSelect, /* New active port */
-SK_BOOL AutoNegDone) /* Successfully auto-negotiated? */
-{
- SK_U32 i;
- SK_BOOL PortFound;
-
- PortFound = SK_FALSE;
-
- /* Select first port that is PortUp. */
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_UP &&
- pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) {
- *pSelect = i;
- if (pAC->Rlmt.Port[Active].PortState == SK_RLMT_PS_UP &&
- pAC->GIni.GP[Active].PAutoNegFail != AutoNegDone) {
- *pSelect = Active;
- }
- if (pAC->Rlmt.Port[PrefPort].PortState == SK_RLMT_PS_UP &&
- pAC->GIni.GP[PrefPort].PAutoNegFail != AutoNegDone) {
- *pSelect = PrefPort;
- }
- PortFound = SK_TRUE;
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SELECT_UP found Port %d up.\n", *pSelect))
- break;
- }
- }
- return (PortFound);
-} /* SkRlmtSelectUp */
-
-
-/******************************************************************************
- *
- * SkRlmtSelectGoingUp - select new active port, criteria 5, 6 (CLP)
- *
- * Description:
- * This routine selects the port that is going up for the longest time.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * SK_BOOL
- */
-RLMT_STATIC SK_BOOL SkRlmtSelectGoingUp(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 Active, /* Active port */
-SK_U32 PrefPort, /* Preferred port */
-SK_U32 *pSelect, /* New active port */
-SK_BOOL AutoNegDone) /* Successfully auto-negotiated? */
-{
- SK_U64 GuTimeStamp;
- SK_U32 i;
- SK_BOOL PortFound;
-
- GuTimeStamp = 0;
- PortFound = SK_FALSE;
-
- /* Select port that is PortGoingUp for the longest time. */
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_GOING_UP &&
- pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) {
- GuTimeStamp = pAC->Rlmt.Port[i].GuTimeStamp;
- *pSelect = i;
- PortFound = SK_TRUE;
- break;
- }
- }
-
- if (!PortFound) {
- return (SK_FALSE);
- }
-
- for (i = *pSelect + 1; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_GOING_UP &&
- pAC->Rlmt.Port[i].GuTimeStamp < GuTimeStamp &&
- pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) {
- GuTimeStamp = pAC->Rlmt.Port[i].GuTimeStamp;
- *pSelect = i;
- }
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SELECT_GOINGUP found Port %d going up.\n", *pSelect))
- return (SK_TRUE);
-} /* SkRlmtSelectGoingUp */
-
-
-/******************************************************************************
- *
- * SkRlmtSelectDown - select new active port, criteria 7, 8 (CLP)
- *
- * Description:
- * This routine selects a port that is down.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * SK_BOOL
- */
-RLMT_STATIC SK_BOOL SkRlmtSelectDown(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 Active, /* Active port */
-SK_U32 PrefPort, /* Preferred port */
-SK_U32 *pSelect, /* New active port */
-SK_BOOL AutoNegDone) /* Successfully auto-negotiated? */
-{
- SK_U32 i;
- SK_BOOL PortFound;
-
- PortFound = SK_FALSE;
-
- /* Select first port that is PortDown. */
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- if (pAC->Rlmt.Port[i].PortState == SK_RLMT_PS_DOWN &&
- pAC->GIni.GP[i].PAutoNegFail != AutoNegDone) {
- *pSelect = i;
- if (pAC->Rlmt.Port[Active].PortState == SK_RLMT_PS_DOWN &&
- pAC->GIni.GP[Active].PAutoNegFail != AutoNegDone) {
- *pSelect = Active;
- }
- if (pAC->Rlmt.Port[PrefPort].PortState == SK_RLMT_PS_DOWN &&
- pAC->GIni.GP[PrefPort].PAutoNegFail != AutoNegDone) {
- *pSelect = PrefPort;
- }
- PortFound = SK_TRUE;
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SELECT_DOWN found Port %d down.\n", *pSelect))
- break;
- }
- }
- return (PortFound);
-} /* SkRlmtSelectDown */
-
-
-/******************************************************************************
- *
- * SkRlmtCheckSwitch - select new active port and switch to it
- *
- * Description:
- * This routine decides which port should be the active one and queues
- * port switching if necessary.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * Nothing.
- */
-RLMT_STATIC void SkRlmtCheckSwitch(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 NetIdx) /* Net index */
-{
- SK_EVPARA Para;
- SK_U32 Active;
- SK_U32 PrefPort;
- SK_U32 i;
- SK_BOOL PortFound;
-
- Active = pAC->Rlmt.Net[NetIdx].ActivePort; /* Index of active port. */
- PrefPort = pAC->Rlmt.Net[NetIdx].PrefPort; /* Index of preferred port. */
- PortFound = SK_FALSE;
- pAC->Rlmt.CheckSwitch = SK_FALSE;
-
-#if 0 /* RW 2001/10/18 - active port becomes always prefered one */
- if (pAC->Rlmt.Net[NetIdx].Preference == 0xFFFFFFFF) { /* Automatic */
- /* disable auto-fail back */
- PrefPort = Active;
- }
-#endif
-
- if (pAC->Rlmt.Net[NetIdx].LinksUp == 0) {
- /* Last link went down - shut down the net. */
- pAC->Rlmt.Net[NetIdx].RlmtState = SK_RLMT_RS_NET_DOWN;
- Para.Para32[0] = SK_RLMT_NET_DOWN_TEMP;
- Para.Para32[1] = NetIdx;
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_NET_DOWN, Para);
-
- Para.Para32[0] = pAC->Rlmt.Net[NetIdx].
- Port[pAC->Rlmt.Net[NetIdx].ActivePort]->PortNumber;
- Para.Para32[1] = NetIdx;
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_DOWN, Para);
- return;
- } /* pAC->Rlmt.LinksUp == 0 */
- else if (pAC->Rlmt.Net[NetIdx].LinksUp == 1 &&
- pAC->Rlmt.Net[NetIdx].RlmtState == SK_RLMT_RS_NET_DOWN) {
- /* First link came up - get the net up. */
- pAC->Rlmt.Net[NetIdx].RlmtState = SK_RLMT_RS_NET_UP;
-
- /*
- * If pAC->Rlmt.ActivePort != Para.Para32[0],
- * the DRV switches to the port that came up.
- */
- for (i = 0; i < pAC->Rlmt.Net[NetIdx].NumPorts; i++) {
- if (!pAC->Rlmt.Net[NetIdx].Port[i]->LinkDown) {
- if (!pAC->Rlmt.Net[NetIdx].Port[Active]->LinkDown) {
- i = Active;
- }
- if (!pAC->Rlmt.Net[NetIdx].Port[PrefPort]->LinkDown) {
- i = PrefPort;
- }
- PortFound = SK_TRUE;
- break;
- }
- }
-
- if (PortFound) {
- Para.Para32[0] = pAC->Rlmt.Net[NetIdx].Port[i]->PortNumber;
- Para.Para32[1] = NetIdx;
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_UP, Para);
-
- pAC->Rlmt.Net[NetIdx].ActivePort = i;
- Para.Para32[0] = pAC->Rlmt.Net[NetIdx].Port[i]->PortNumber;
- Para.Para32[1] = NetIdx;
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_NET_UP, Para);
-
- if ((pAC->Rlmt.Net[NetIdx].RlmtMode & SK_RLMT_TRANSPARENT) == 0 &&
- (Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC,
- pAC->Rlmt.Net[NetIdx].Port[i]->PortNumber,
- SK_PACKET_ANNOUNCE, &pAC->Addr.Net[NetIdx].
- CurrentMacAddress, &SkRlmtMcAddr)) != NULL) {
- /*
- * Send announce packet to RLMT multicast address to force
- * switches to learn the new location of the logical MAC address.
- */
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- }
- }
- else {
- SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E007, SKERR_RLMT_E007_MSG);
- }
-
- return;
- } /* LinksUp == 1 && RlmtState == SK_RLMT_RS_NET_DOWN */
- else { /* Cannot be reached in dual-net mode. */
- Para.Para32[0] = Active;
-
- /*
- * Preselection:
- * If RLMT Mode != CheckLinkState
- * select port that received a broadcast frame substantially later
- * than all other ports
- * else select first port that is not SuspectRx
- * else select first port that is PortUp
- * else select port that is PortGoingUp for the longest time
- * else select first port that is PortDown
- * else stop.
- *
- * For the preselected port:
- * If ActivePort is equal in quality, select ActivePort.
- *
- * If PrefPort is equal in quality, select PrefPort.
- *
- * If ActivePort != SelectedPort,
- * If old ActivePort is LinkDown,
- * SwitchHard
- * else
- * SwitchSoft
- */
- /* check of ChgBcPrio flag added */
- if ((pAC->Rlmt.Net[0].RlmtMode != SK_RLMT_MODE_CLS) &&
- (!pAC->Rlmt.Net[0].ChgBcPrio)) {
-
- if (!PortFound) {
- PortFound = SkRlmtSelectBcRx(
- pAC, IoC, Active, PrefPort, &Para.Para32[1]);
- }
-
- if (!PortFound) {
- PortFound = SkRlmtSelectNotSuspect(
- pAC, IoC, Active, PrefPort, &Para.Para32[1]);
- }
- } /* pAC->Rlmt.RlmtMode != SK_RLMT_MODE_CLS */
-
- /* with changed priority for last broadcast received */
- if ((pAC->Rlmt.Net[0].RlmtMode != SK_RLMT_MODE_CLS) &&
- (pAC->Rlmt.Net[0].ChgBcPrio)) {
- if (!PortFound) {
- PortFound = SkRlmtSelectNotSuspect(
- pAC, IoC, Active, PrefPort, &Para.Para32[1]);
- }
-
- if (!PortFound) {
- PortFound = SkRlmtSelectBcRx(
- pAC, IoC, Active, PrefPort, &Para.Para32[1]);
- }
- } /* pAC->Rlmt.RlmtMode != SK_RLMT_MODE_CLS */
-
- if (!PortFound) {
- PortFound = SkRlmtSelectUp(
- pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_SUCCESS);
- }
-
- if (!PortFound) {
- PortFound = SkRlmtSelectUp(
- pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_FAILED);
- }
-
- if (!PortFound) {
- PortFound = SkRlmtSelectGoingUp(
- pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_SUCCESS);
- }
-
- if (!PortFound) {
- PortFound = SkRlmtSelectGoingUp(
- pAC, IoC, Active, PrefPort, &Para.Para32[1], AUTONEG_FAILED);
- }
-
- if (pAC->Rlmt.Net[0].RlmtMode != SK_RLMT_MODE_CLS) {
- if (!PortFound) {
- PortFound = SkRlmtSelectDown(pAC, IoC,
- Active, PrefPort, &Para.Para32[1], AUTONEG_SUCCESS);
- }
-
- if (!PortFound) {
- PortFound = SkRlmtSelectDown(pAC, IoC,
- Active, PrefPort, &Para.Para32[1], AUTONEG_FAILED);
- }
- } /* pAC->Rlmt.RlmtMode != SK_RLMT_MODE_CLS */
-
- if (PortFound) {
-
- if (Para.Para32[1] != Active) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Active: %d, Para1: %d.\n", Active, Para.Para32[1]))
- pAC->Rlmt.Net[NetIdx].ActivePort = Para.Para32[1];
- Para.Para32[0] = pAC->Rlmt.Net[NetIdx].
- Port[Para.Para32[0]]->PortNumber;
- Para.Para32[1] = pAC->Rlmt.Net[NetIdx].
- Port[Para.Para32[1]]->PortNumber;
- SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[1], SK_LED_ACTIVE);
- if (pAC->Rlmt.Port[Active].LinkDown) {
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_SWITCH_HARD, Para);
- }
- else {
- SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_STANDBY);
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_SWITCH_SOFT, Para);
- }
- Para.Para32[1] = NetIdx;
- Para.Para32[0] =
- pAC->Rlmt.Net[NetIdx].Port[Para.Para32[0]]->PortNumber;
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_DOWN, Para);
- Para.Para32[0] = pAC->Rlmt.Net[NetIdx].
- Port[pAC->Rlmt.Net[NetIdx].ActivePort]->PortNumber;
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_ACTIVE_UP, Para);
- if ((pAC->Rlmt.Net[NetIdx].RlmtMode & SK_RLMT_TRANSPARENT) == 0 &&
- (Para.pParaPtr = SkRlmtBuildPacket(pAC, IoC, Para.Para32[0],
- SK_PACKET_ANNOUNCE, &pAC->Addr.Net[NetIdx].CurrentMacAddress,
- &SkRlmtMcAddr)) != NULL) {
- /*
- * Send announce packet to RLMT multicast address to force
- * switches to learn the new location of the logical
- * MAC address.
- */
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para);
- } /* (Para.pParaPtr = SkRlmtBuildPacket(...)) != NULL */
- } /* Para.Para32[1] != Active */
- } /* PortFound */
- else {
- SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E004, SKERR_RLMT_E004_MSG);
- }
- } /* LinksUp > 1 || LinksUp == 1 && RlmtState != SK_RLMT_RS_NET_DOWN */
- return;
-} /* SkRlmtCheckSwitch */
-
-
-/******************************************************************************
- *
- * SkRlmtCheckSeg - Report if segmentation is detected
- *
- * Description:
- * This routine checks if the ports see different root bridges and reports
- * segmentation in such a case.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * Nothing.
- */
-RLMT_STATIC void SkRlmtCheckSeg(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 NetIdx) /* Net number */
-{
- SK_EVPARA Para;
- SK_RLMT_NET *pNet;
- SK_U32 i, j;
- SK_BOOL Equal;
-
- pNet = &pAC->Rlmt.Net[NetIdx];
- pNet->RootIdSet = SK_FALSE;
- Equal = SK_TRUE;
-
- for (i = 0; i < pNet->NumPorts; i++) {
- if (pNet->Port[i]->LinkDown || !pNet->Port[i]->RootIdSet) {
- continue;
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_DUMP,
- ("Root ID %d: %02x %02x %02x %02x %02x %02x %02x %02x.\n", i,
- pNet->Port[i]->Root.Id[0], pNet->Port[i]->Root.Id[1],
- pNet->Port[i]->Root.Id[2], pNet->Port[i]->Root.Id[3],
- pNet->Port[i]->Root.Id[4], pNet->Port[i]->Root.Id[5],
- pNet->Port[i]->Root.Id[6], pNet->Port[i]->Root.Id[7]))
-
- if (!pNet->RootIdSet) {
- pNet->Root = pNet->Port[i]->Root;
- pNet->RootIdSet = SK_TRUE;
- continue;
- }
-
- for (j = 0; j < 8; j ++) {
- Equal &= pNet->Port[i]->Root.Id[j] == pNet->Root.Id[j];
- if (!Equal) {
- break;
- }
- }
-
- if (!Equal) {
- SK_ERR_LOG(pAC, SK_ERRCL_COMM, SKERR_RLMT_E005, SKERR_RLMT_E005_MSG);
- Para.Para32[0] = NetIdx;
- Para.Para32[1] = (SK_U32)-1;
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_SEGMENTATION, Para);
-
- pNet->CheckingState &= ~SK_RLMT_RCS_REPORT_SEG;
-
- /* 2000-03-06 RA: New. */
- Para.Para32[0] = NetIdx;
- Para.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pNet->SegTimer, SK_RLMT_SEG_TO_VAL,
- SKGE_RLMT, SK_RLMT_SEG_TIM, Para);
- break;
- }
- } /* for (i = 0; i < pNet->NumPorts; i++) */
-
- /* 2000-03-06 RA: Moved here. */
- /* Segmentation check not running anymore. */
- pNet->CheckingState &= ~SK_RLMT_RCS_SEG;
-
-} /* SkRlmtCheckSeg */
-
-
-/******************************************************************************
- *
- * SkRlmtPortStart - initialize port variables and start port
- *
- * Description:
- * This routine initializes a port's variables and issues a PORT_START
- * to the HWAC module. This handles retries if the start fails or the
- * link eventually goes down.
- *
- * Context:
- * runtime, pageable?
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtPortStart(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 PortNumber) /* Port number */
-{
- SK_EVPARA Para;
-
- pAC->Rlmt.Port[PortNumber].PortState = SK_RLMT_PS_LINK_DOWN;
- pAC->Rlmt.Port[PortNumber].PortStarted = SK_TRUE;
- pAC->Rlmt.Port[PortNumber].LinkDown = SK_TRUE;
- pAC->Rlmt.Port[PortNumber].PortDown = SK_TRUE;
- pAC->Rlmt.Port[PortNumber].CheckingState = 0;
- pAC->Rlmt.Port[PortNumber].RootIdSet = SK_FALSE;
- Para.Para32[0] = PortNumber;
- Para.Para32[1] = (SK_U32)-1;
- SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_START, Para);
-} /* SkRlmtPortStart */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtPortStartTim - PORT_START_TIM
- *
- * Description:
- * This routine handles PORT_START_TIM events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtPortStartTim(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */
-{
- SK_U32 i;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTSTART_TIMEOUT Port %d Event BEGIN.\n", Para.Para32[0]))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTSTART_TIMEOUT Event EMPTY.\n"))
- return;
- }
-
- /*
- * Used to start non-preferred ports if the preferred one
- * does not come up.
- * This timeout needs only be set when starting the first
- * (preferred) port.
- */
- if (pAC->Rlmt.Port[Para.Para32[0]].LinkDown) {
- /* PORT_START failed. */
- for (i = 0; i < pAC->Rlmt.Port[Para.Para32[0]].Net->NumPorts; i++) {
- if (!pAC->Rlmt.Port[Para.Para32[0]].Net->Port[i]->PortStarted) {
- SkRlmtPortStart(pAC, IoC,
- pAC->Rlmt.Port[Para.Para32[0]].Net->Port[i]->PortNumber);
- }
- }
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTSTART_TIMEOUT Event END.\n"))
-} /* SkRlmtEvtPortStartTim */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtLinkUp - LINK_UP
- *
- * Description:
- * This routine handles LLINK_UP events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtLinkUp(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 Undefined */
-{
- SK_U32 i;
- SK_RLMT_PORT *pRPort;
- SK_EVPARA Para2;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_LINK_UP Port %d Event BEGIN.\n", Para.Para32[0]))
-
- pRPort = &pAC->Rlmt.Port[Para.Para32[0]];
- if (!pRPort->PortStarted) {
- SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E008, SKERR_RLMT_E008_MSG);
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_LINK_UP Event EMPTY.\n"))
- return;
- }
-
- if (!pRPort->LinkDown) {
- /* RA;:;: Any better solution? */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_LINK_UP Event EMPTY.\n"))
- return;
- }
-
- SkTimerStop(pAC, IoC, &pRPort->UpTimer);
- SkTimerStop(pAC, IoC, &pRPort->DownRxTimer);
- SkTimerStop(pAC, IoC, &pRPort->DownTxTimer);
-
- /* Do something if timer already fired? */
-
- pRPort->LinkDown = SK_FALSE;
- pRPort->PortState = SK_RLMT_PS_GOING_UP;
- pRPort->GuTimeStamp = SkOsGetTime(pAC);
- pRPort->BcTimeStamp = 0;
- pRPort->Net->LinksUp++;
- if (pRPort->Net->LinksUp == 1) {
- SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_ACTIVE);
- }
- else {
- SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_STANDBY);
- }
-
- for (i = 0; i < pRPort->Net->NumPorts; i++) {
- if (!pRPort->Net->Port[i]->PortStarted) {
- SkRlmtPortStart(pAC, IoC, pRPort->Net->Port[i]->PortNumber);
- }
- }
-
- SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber);
-
- if (pRPort->Net->LinksUp >= 2) {
- if (pRPort->Net->RlmtMode & SK_RLMT_CHECK_LOC_LINK) {
- /* Build the check chain. */
- SkRlmtBuildCheckChain(pAC, pRPort->Net->NetNumber);
- }
- }
-
- /* If the first link comes up, start the periodical RLMT timeout. */
- if (pRPort->Net->NumPorts > 1 && pRPort->Net->LinksUp == 1 &&
- (pRPort->Net->RlmtMode & SK_RLMT_CHECK_OTHERS) != 0) {
- Para2.Para32[0] = pRPort->Net->NetNumber;
- Para2.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pRPort->Net->LocTimer,
- pRPort->Net->TimeoutValue, SKGE_RLMT, SK_RLMT_TIM, Para2);
- }
-
- Para2 = Para;
- Para2.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pRPort->UpTimer, SK_RLMT_PORTUP_TIM_VAL,
- SKGE_RLMT, SK_RLMT_PORTUP_TIM, Para2);
-
- /* Later: if (pAC->Rlmt.RlmtMode & SK_RLMT_CHECK_LOC_LINK) && */
- if ((pRPort->Net->RlmtMode & SK_RLMT_TRANSPARENT) == 0 &&
- (pRPort->Net->RlmtMode & SK_RLMT_CHECK_LINK) != 0 &&
- (Para2.pParaPtr =
- SkRlmtBuildPacket(pAC, IoC, Para.Para32[0], SK_PACKET_ANNOUNCE,
- &pAC->Addr.Port[Para.Para32[0]].CurrentMacAddress, &SkRlmtMcAddr)
- ) != NULL) {
- /* Send "new" packet to RLMT multicast address. */
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para2);
- }
-
- if (pRPort->Net->RlmtMode & SK_RLMT_CHECK_SEG) {
- if ((Para2.pParaPtr =
- SkRlmtBuildSpanningTreePacket(pAC, IoC, Para.Para32[0])) != NULL) {
- pAC->Rlmt.Port[Para.Para32[0]].RootIdSet = SK_FALSE;
- pRPort->Net->CheckingState |=
- SK_RLMT_RCS_SEG | SK_RLMT_RCS_REPORT_SEG;
-
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para2);
-
- Para.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pRPort->Net->SegTimer,
- SK_RLMT_SEG_TO_VAL, SKGE_RLMT, SK_RLMT_SEG_TIM, Para);
- }
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_LINK_UP Event END.\n"))
-} /* SkRlmtEvtLinkUp */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtPortUpTim - PORT_UP_TIM
- *
- * Description:
- * This routine handles PORT_UP_TIM events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtPortUpTim(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */
-{
- SK_RLMT_PORT *pRPort;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTUP_TIM Port %d Event BEGIN.\n", Para.Para32[0]))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTUP_TIM Event EMPTY.\n"))
- return;
- }
-
- pRPort = &pAC->Rlmt.Port[Para.Para32[0]];
- if (pRPort->LinkDown || (pRPort->PortState == SK_RLMT_PS_UP)) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTUP_TIM Port %d Event EMPTY.\n", Para.Para32[0]))
- return;
- }
-
- pRPort->PortDown = SK_FALSE;
- pRPort->PortState = SK_RLMT_PS_UP;
- pRPort->Net->PortsUp++;
- if (pRPort->Net->RlmtState != SK_RLMT_RS_INIT) {
- if (pAC->Rlmt.NumNets <= 1) {
- SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber);
- }
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_PORT_UP, Para);
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTUP_TIM Event END.\n"))
-} /* SkRlmtEvtPortUpTim */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtPortDownTim - PORT_DOWN_*
- *
- * Description:
- * This routine handles PORT_DOWN_* events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtPortDownX(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 Event, /* Event code */
-SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */
-{
- SK_RLMT_PORT *pRPort;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTDOWN* Port %d Event (%d) BEGIN.\n",
- Para.Para32[0], Event))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTDOWN* Event EMPTY.\n"))
- return;
- }
-
- pRPort = &pAC->Rlmt.Port[Para.Para32[0]];
- if (!pRPort->PortStarted || (Event == SK_RLMT_PORTDOWN_TX_TIM &&
- !(pRPort->CheckingState & SK_RLMT_PCS_TX))) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTDOWN* Event (%d) EMPTY.\n", Event))
- return;
- }
-
- /* Stop port's timers. */
- SkTimerStop(pAC, IoC, &pRPort->UpTimer);
- SkTimerStop(pAC, IoC, &pRPort->DownRxTimer);
- SkTimerStop(pAC, IoC, &pRPort->DownTxTimer);
-
- if (pRPort->PortState != SK_RLMT_PS_LINK_DOWN) {
- pRPort->PortState = SK_RLMT_PS_DOWN;
- }
-
- if (!pRPort->PortDown) {
- pRPort->Net->PortsUp--;
- pRPort->PortDown = SK_TRUE;
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_PORT_DOWN, Para);
- }
-
- pRPort->PacketsPerTimeSlot = 0;
- /* pRPort->DataPacketsPerTimeSlot = 0; */
- pRPort->BpduPacketsPerTimeSlot = 0;
- pRPort->BcTimeStamp = 0;
-
- /*
- * RA;:;: To be checked:
- * - actions at RLMT_STOP: We should not switch anymore.
- */
- if (pRPort->Net->RlmtState != SK_RLMT_RS_INIT) {
- if (Para.Para32[0] ==
- pRPort->Net->Port[pRPort->Net->ActivePort]->PortNumber) {
- /* Active Port went down. */
- SkRlmtCheckSwitch(pAC, IoC, pRPort->Net->NetNumber);
- }
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORTDOWN* Event (%d) END.\n", Event))
-} /* SkRlmtEvtPortDownX */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtLinkDown - LINK_DOWN
- *
- * Description:
- * This routine handles LINK_DOWN events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtLinkDown(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 Undefined */
-{
- SK_RLMT_PORT *pRPort;
-
- pRPort = &pAC->Rlmt.Port[Para.Para32[0]];
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_LINK_DOWN Port %d Event BEGIN.\n", Para.Para32[0]))
-
- if (!pAC->Rlmt.Port[Para.Para32[0]].LinkDown) {
- pRPort->Net->LinksUp--;
- pRPort->LinkDown = SK_TRUE;
- pRPort->PortState = SK_RLMT_PS_LINK_DOWN;
- SK_HWAC_LINK_LED(pAC, IoC, Para.Para32[0], SK_LED_OFF);
-
- if ((pRPort->Net->RlmtMode & SK_RLMT_CHECK_LOC_LINK) != 0) {
- /* Build the check chain. */
- SkRlmtBuildCheckChain(pAC, pRPort->Net->NetNumber);
- }
-
- /* Ensure that port is marked down. */
- Para.Para32[1] = -1;
- (void)SkRlmtEvent(pAC, IoC, SK_RLMT_PORTDOWN, Para);
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_LINK_DOWN Event END.\n"))
-} /* SkRlmtEvtLinkDown */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtPortAddr - PORT_ADDR
- *
- * Description:
- * This routine handles PORT_ADDR events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtPortAddr(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 PortNumber; SK_U32 -1 */
-{
- SK_U32 i, j;
- SK_RLMT_PORT *pRPort;
- SK_MAC_ADDR *pOldMacAddr;
- SK_MAC_ADDR *pNewMacAddr;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORT_ADDR Port %d Event BEGIN.\n", Para.Para32[0]))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORT_ADDR Event EMPTY.\n"))
- return;
- }
-
- /* Port's physical MAC address changed. */
- pOldMacAddr = &pAC->Addr.Port[Para.Para32[0]].PreviousMacAddress;
- pNewMacAddr = &pAC->Addr.Port[Para.Para32[0]].CurrentMacAddress;
-
- /*
- * NOTE: This is not scalable for solutions where ports are
- * checked remotely. There, we need to send an RLMT
- * address change packet - and how do we ensure delivery?
- */
- for (i = 0; i < (SK_U32)pAC->GIni.GIMacsFound; i++) {
- pRPort = &pAC->Rlmt.Port[i];
- for (j = 0; j < pRPort->PortsChecked; j++) {
- if (SK_ADDR_EQUAL(
- pRPort->PortCheck[j].CheckAddr.a, pOldMacAddr->a)) {
- pRPort->PortCheck[j].CheckAddr = *pNewMacAddr;
- }
- }
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PORT_ADDR Event END.\n"))
-} /* SkRlmtEvtPortAddr */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtStart - START
- *
- * Description:
- * This routine handles START events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtStart(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */
-{
- SK_EVPARA Para2;
- SK_U32 PortIdx;
- SK_U32 PortNumber;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_START Net %d Event BEGIN.\n", Para.Para32[0]))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_START Event EMPTY.\n"))
- return;
- }
-
- if (Para.Para32[0] >= pAC->Rlmt.NumNets) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad NetNumber %d.\n", Para.Para32[0]))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_START Event EMPTY.\n"))
- return;
- }
-
- if (pAC->Rlmt.Net[Para.Para32[0]].RlmtState != SK_RLMT_RS_INIT) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_START Event EMPTY.\n"))
- return;
- }
-
- if (pAC->Rlmt.NetsStarted >= pAC->Rlmt.NumNets) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("All nets should have been started.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_START Event EMPTY.\n"))
- return;
- }
-
- if (pAC->Rlmt.Net[Para.Para32[0]].PrefPort >=
- pAC->Rlmt.Net[Para.Para32[0]].NumPorts) {
- SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E009, SKERR_RLMT_E009_MSG);
-
- /* Change PrefPort to internal default. */
- Para2.Para32[0] = 0xFFFFFFFF;
- Para2.Para32[1] = Para.Para32[0];
- (void)SkRlmtEvent(pAC, IoC, SK_RLMT_PREFPORT_CHANGE, Para2);
- }
-
- PortIdx = pAC->Rlmt.Net[Para.Para32[0]].PrefPort;
- PortNumber = pAC->Rlmt.Net[Para.Para32[0]].Port[PortIdx]->PortNumber;
-
- pAC->Rlmt.Net[Para.Para32[0]].LinksUp = 0;
- pAC->Rlmt.Net[Para.Para32[0]].PortsUp = 0;
- pAC->Rlmt.Net[Para.Para32[0]].CheckingState = 0;
- pAC->Rlmt.Net[Para.Para32[0]].RlmtState = SK_RLMT_RS_NET_DOWN;
-
- /* Start preferred port. */
- SkRlmtPortStart(pAC, IoC, PortNumber);
-
- /* Start Timer (for first port only). */
- Para2.Para32[0] = PortNumber;
- Para2.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pAC->Rlmt.Port[PortNumber].UpTimer,
- SK_RLMT_PORTSTART_TIM_VAL, SKGE_RLMT, SK_RLMT_PORTSTART_TIM, Para2);
-
- pAC->Rlmt.NetsStarted++;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_START Event END.\n"))
-} /* SkRlmtEvtStart */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtStop - STOP
- *
- * Description:
- * This routine handles STOP events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtStop(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */
-{
- SK_EVPARA Para2;
- SK_U32 PortNumber;
- SK_U32 i;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STOP Net %d Event BEGIN.\n", Para.Para32[0]))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STOP Event EMPTY.\n"))
- return;
- }
-
- if (Para.Para32[0] >= pAC->Rlmt.NumNets) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad NetNumber %d.\n", Para.Para32[0]))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STOP Event EMPTY.\n"))
- return;
- }
-
- if (pAC->Rlmt.Net[Para.Para32[0]].RlmtState == SK_RLMT_RS_INIT) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STOP Event EMPTY.\n"))
- return;
- }
-
- if (pAC->Rlmt.NetsStarted == 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("All nets are stopped.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STOP Event EMPTY.\n"))
- return;
- }
-
- /* Stop RLMT timers. */
- SkTimerStop(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].LocTimer);
- SkTimerStop(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].SegTimer);
-
- /* Stop net. */
- pAC->Rlmt.Net[Para.Para32[0]].RlmtState = SK_RLMT_RS_INIT;
- pAC->Rlmt.Net[Para.Para32[0]].RootIdSet = SK_FALSE;
- Para2.Para32[0] = SK_RLMT_NET_DOWN_FINAL;
- Para2.Para32[1] = Para.Para32[0]; /* Net# */
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_NET_DOWN, Para2);
-
- /* Stop ports. */
- for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) {
- PortNumber = pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber;
- if (pAC->Rlmt.Port[PortNumber].PortState != SK_RLMT_PS_INIT) {
- SkTimerStop(pAC, IoC, &pAC->Rlmt.Port[PortNumber].UpTimer);
- SkTimerStop(pAC, IoC, &pAC->Rlmt.Port[PortNumber].DownRxTimer);
- SkTimerStop(pAC, IoC, &pAC->Rlmt.Port[PortNumber].DownTxTimer);
-
- pAC->Rlmt.Port[PortNumber].PortState = SK_RLMT_PS_INIT;
- pAC->Rlmt.Port[PortNumber].RootIdSet = SK_FALSE;
- pAC->Rlmt.Port[PortNumber].PortStarted = SK_FALSE;
- Para2.Para32[0] = PortNumber;
- Para2.Para32[1] = (SK_U32)-1;
- SkEventQueue(pAC, SKGE_HWAC, SK_HWEV_PORT_STOP, Para2);
- }
- }
-
- pAC->Rlmt.NetsStarted--;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STOP Event END.\n"))
-} /* SkRlmtEvtStop */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtTim - TIM
- *
- * Description:
- * This routine handles TIM events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtTim(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */
-{
- SK_RLMT_PORT *pRPort;
- SK_U32 Timeout;
- SK_U32 NewTimeout;
- SK_U32 PortNumber;
- SK_U32 i;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_TIM Event BEGIN.\n"))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_TIM Event EMPTY.\n"))
- return;
- }
-
- if ((pAC->Rlmt.Net[Para.Para32[0]].RlmtMode & SK_RLMT_CHECK_OTHERS) == 0 ||
- pAC->Rlmt.Net[Para.Para32[0]].LinksUp == 0) {
- /* Mode changed or all links down: No more link checking. */
- return;
- }
-
-#if 0
- pAC->Rlmt.SwitchCheckCounter--;
- if (pAC->Rlmt.SwitchCheckCounter == 0) {
- pAC->Rlmt.SwitchCheckCounter;
- }
-#endif /* 0 */
-
- NewTimeout = SK_RLMT_DEF_TO_VAL;
- for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) {
- PortNumber = pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber;
- pRPort = &pAC->Rlmt.Port[PortNumber];
- if (!pRPort->LinkDown) {
- Timeout = SkRlmtCheckPort(pAC, IoC, PortNumber);
- if (Timeout < NewTimeout) {
- NewTimeout = Timeout;
- }
-
- /*
- * These counters should be set to 0 for all ports before the
- * first frame is sent in the next loop.
- */
- pRPort->PacketsPerTimeSlot = 0;
- /* pRPort->DataPacketsPerTimeSlot = 0; */
- pRPort->BpduPacketsPerTimeSlot = 0;
- }
- }
- pAC->Rlmt.Net[Para.Para32[0]].TimeoutValue = NewTimeout;
-
- if (pAC->Rlmt.Net[Para.Para32[0]].LinksUp > 1) {
- /*
- * If checking remote ports, also send packets if
- * (LinksUp == 1) &&
- * this port checks at least one (remote) port.
- */
-
- /*
- * Must be new loop, as SkRlmtCheckPort can request to
- * check segmentation when e.g. checking the last port.
- */
- for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) {
- if (!pAC->Rlmt.Net[Para.Para32[0]].Port[i]->LinkDown) {
- SkRlmtSend(pAC, IoC,
- pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber);
- }
- }
- }
-
- SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].LocTimer,
- pAC->Rlmt.Net[Para.Para32[0]].TimeoutValue, SKGE_RLMT, SK_RLMT_TIM,
- Para);
-
- if (pAC->Rlmt.Net[Para.Para32[0]].LinksUp > 1 &&
- (pAC->Rlmt.Net[Para.Para32[0]].RlmtMode & SK_RLMT_CHECK_SEG) &&
- (pAC->Rlmt.Net[Para.Para32[0]].CheckingState & SK_RLMT_RCS_START_SEG)) {
- SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[0]].SegTimer,
- SK_RLMT_SEG_TO_VAL, SKGE_RLMT, SK_RLMT_SEG_TIM, Para);
- pAC->Rlmt.Net[Para.Para32[0]].CheckingState &= ~SK_RLMT_RCS_START_SEG;
- pAC->Rlmt.Net[Para.Para32[0]].CheckingState |=
- SK_RLMT_RCS_SEG | SK_RLMT_RCS_REPORT_SEG;
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_TIM Event END.\n"))
-} /* SkRlmtEvtTim */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtSegTim - SEG_TIM
- *
- * Description:
- * This routine handles SEG_TIM events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtSegTim(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */
-{
-#ifdef xDEBUG
- int j;
-#endif /* DEBUG */
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SEG_TIM Event BEGIN.\n"))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SEG_TIM Event EMPTY.\n"))
- return;
- }
-
-#ifdef xDEBUG
- for (j = 0; j < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; j++) {
- SK_ADDR_PORT *pAPort;
- SK_U32 k;
- SK_U16 *InAddr;
- SK_U8 InAddr8[6];
-
- InAddr = (SK_U16 *)&InAddr8[0];
- pAPort = pAC->Rlmt.Net[Para.Para32[0]].Port[j]->AddrPort;
- for (k = 0; k < pAPort->NextExactMatchRlmt; k++) {
- /* Get exact match address k from port j. */
- XM_INADDR(IoC, pAC->Rlmt.Net[Para.Para32[0]].Port[j]->PortNumber,
- XM_EXM(k), InAddr);
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("MC address %d on Port %u: %02x %02x %02x %02x %02x %02x -- %02x %02x %02x %02x %02x %02x.\n",
- k, pAC->Rlmt.Net[Para.Para32[0]].Port[j]->PortNumber,
- InAddr8[0], InAddr8[1], InAddr8[2],
- InAddr8[3], InAddr8[4], InAddr8[5],
- pAPort->Exact[k].a[0], pAPort->Exact[k].a[1],
- pAPort->Exact[k].a[2], pAPort->Exact[k].a[3],
- pAPort->Exact[k].a[4], pAPort->Exact[k].a[5]))
- }
- }
-#endif /* xDEBUG */
-
- SkRlmtCheckSeg(pAC, IoC, Para.Para32[0]);
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SEG_TIM Event END.\n"))
-} /* SkRlmtEvtSegTim */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtPacketRx - PACKET_RECEIVED
- *
- * Description:
- * This routine handles PACKET_RECEIVED events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtPacketRx(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_MBUF *pMb */
-{
- SK_MBUF *pMb;
- SK_MBUF *pNextMb;
- SK_U32 NetNumber;
-
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PACKET_RECEIVED Event BEGIN.\n"))
-
- /* Should we ignore frames during port switching? */
-
-#ifdef DEBUG
- pMb = Para.pParaPtr;
- if (pMb == NULL) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL, ("No mbuf.\n"))
- }
- else if (pMb->pNext != NULL) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("More than one mbuf or pMb->pNext not set.\n"))
- }
-#endif /* DEBUG */
-
- for (pMb = Para.pParaPtr; pMb != NULL; pMb = pNextMb) {
- pNextMb = pMb->pNext;
- pMb->pNext = NULL;
-
- NetNumber = pAC->Rlmt.Port[pMb->PortIdx].Net->NetNumber;
- if (pAC->Rlmt.Net[NetNumber].RlmtState == SK_RLMT_RS_INIT) {
- SkDrvFreeRlmtMbuf(pAC, IoC, pMb);
- }
- else {
- SkRlmtPacketReceive(pAC, IoC, pMb);
- }
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PACKET_RECEIVED Event END.\n"))
-} /* SkRlmtEvtPacketRx */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtStatsClear - STATS_CLEAR
- *
- * Description:
- * This routine handles STATS_CLEAR events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtStatsClear(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */
-{
- SK_U32 i;
- SK_RLMT_PORT *pRPort;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_CLEAR Event BEGIN.\n"))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_CLEAR Event EMPTY.\n"))
- return;
- }
-
- if (Para.Para32[0] >= pAC->Rlmt.NumNets) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad NetNumber %d.\n", Para.Para32[0]))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_CLEAR Event EMPTY.\n"))
- return;
- }
-
- /* Clear statistics for logical and physical ports. */
- for (i = 0; i < pAC->Rlmt.Net[Para.Para32[0]].NumPorts; i++) {
- pRPort =
- &pAC->Rlmt.Port[pAC->Rlmt.Net[Para.Para32[0]].Port[i]->PortNumber];
- pRPort->TxHelloCts = 0;
- pRPort->RxHelloCts = 0;
- pRPort->TxSpHelloReqCts = 0;
- pRPort->RxSpHelloCts = 0;
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_CLEAR Event END.\n"))
-} /* SkRlmtEvtStatsClear */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtStatsUpdate - STATS_UPDATE
- *
- * Description:
- * This routine handles STATS_UPDATE events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtStatsUpdate(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NetNumber; SK_U32 -1 */
-{
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_UPDATE Event BEGIN.\n"))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_UPDATE Event EMPTY.\n"))
- return;
- }
-
- if (Para.Para32[0] >= pAC->Rlmt.NumNets) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad NetNumber %d.\n", Para.Para32[0]))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_UPDATE Event EMPTY.\n"))
- return;
- }
-
- /* Update statistics - currently always up-to-date. */
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_STATS_UPDATE Event END.\n"))
-} /* SkRlmtEvtStatsUpdate */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtPrefportChange - PREFPORT_CHANGE
- *
- * Description:
- * This routine handles PREFPORT_CHANGE events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtPrefportChange(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 PortIndex; SK_U32 NetNumber */
-{
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PREFPORT_CHANGE to Port %d Event BEGIN.\n", Para.Para32[0]))
-
- if (Para.Para32[1] >= pAC->Rlmt.NumNets) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad NetNumber %d.\n", Para.Para32[1]))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PREFPORT_CHANGE Event EMPTY.\n"))
- return;
- }
-
- /* 0xFFFFFFFF == auto-mode. */
- if (Para.Para32[0] == 0xFFFFFFFF) {
- pAC->Rlmt.Net[Para.Para32[1]].PrefPort = SK_RLMT_DEF_PREF_PORT;
- }
- else {
- if (Para.Para32[0] >= pAC->Rlmt.Net[Para.Para32[1]].NumPorts) {
- SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E010, SKERR_RLMT_E010_MSG);
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PREFPORT_CHANGE Event EMPTY.\n"))
- return;
- }
-
- pAC->Rlmt.Net[Para.Para32[1]].PrefPort = Para.Para32[0];
- }
-
- pAC->Rlmt.Net[Para.Para32[1]].Preference = Para.Para32[0];
-
- if (pAC->Rlmt.Net[Para.Para32[1]].RlmtState != SK_RLMT_RS_INIT) {
- SkRlmtCheckSwitch(pAC, IoC, Para.Para32[1]);
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_PREFPORT_CHANGE Event END.\n"))
-} /* SkRlmtEvtPrefportChange */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtSetNets - SET_NETS
- *
- * Description:
- * This routine handles SET_NETS events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtSetNets(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NumNets; SK_U32 -1 */
-{
- int i;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SET_NETS Event BEGIN.\n"))
-
- if (Para.Para32[1] != (SK_U32)-1) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad Parameter.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SET_NETS Event EMPTY.\n"))
- return;
- }
-
- if (Para.Para32[0] == 0 || Para.Para32[0] > SK_MAX_NETS ||
- Para.Para32[0] > (SK_U32)pAC->GIni.GIMacsFound) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad number of nets: %d.\n", Para.Para32[0]))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SET_NETS Event EMPTY.\n"))
- return;
- }
-
- if (Para.Para32[0] == pAC->Rlmt.NumNets) { /* No change. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SET_NETS Event EMPTY.\n"))
- return;
- }
-
- /* Entering and leaving dual mode only allowed while nets are stopped. */
- if (pAC->Rlmt.NetsStarted > 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Changing dual mode only allowed while all nets are stopped.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SET_NETS Event EMPTY.\n"))
- return;
- }
-
- if (Para.Para32[0] == 1) {
- if (pAC->Rlmt.NumNets > 1) {
- /* Clear logical MAC addr from second net's active port. */
- (void)SkAddrOverride(pAC, IoC, pAC->Rlmt.Net[1].Port[pAC->Addr.
- Net[1].ActivePort]->PortNumber, NULL, SK_ADDR_CLEAR_LOGICAL);
- pAC->Rlmt.Net[1].NumPorts = 0;
- }
-
- pAC->Rlmt.NumNets = Para.Para32[0];
- for (i = 0; (SK_U32)i < pAC->Rlmt.NumNets; i++) {
- pAC->Rlmt.Net[i].RlmtState = SK_RLMT_RS_INIT;
- pAC->Rlmt.Net[i].RootIdSet = SK_FALSE;
- pAC->Rlmt.Net[i].Preference = 0xFFFFFFFF; /* "Automatic" */
- pAC->Rlmt.Net[i].PrefPort = SK_RLMT_DEF_PREF_PORT;
- /* Just assuming. */
- pAC->Rlmt.Net[i].ActivePort = pAC->Rlmt.Net[i].PrefPort;
- pAC->Rlmt.Net[i].RlmtMode = SK_RLMT_DEF_MODE;
- pAC->Rlmt.Net[i].TimeoutValue = SK_RLMT_DEF_TO_VAL;
- pAC->Rlmt.Net[i].NetNumber = i;
- }
-
- pAC->Rlmt.Port[1].Net= &pAC->Rlmt.Net[0];
- pAC->Rlmt.Net[0].NumPorts = pAC->GIni.GIMacsFound;
-
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_SET_NETS, Para);
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("RLMT: Changed to one net with two ports.\n"))
- }
- else if (Para.Para32[0] == 2) {
- pAC->Rlmt.Port[1].Net= &pAC->Rlmt.Net[1];
- pAC->Rlmt.Net[1].NumPorts = pAC->GIni.GIMacsFound - 1;
- pAC->Rlmt.Net[0].NumPorts =
- pAC->GIni.GIMacsFound - pAC->Rlmt.Net[1].NumPorts;
-
- pAC->Rlmt.NumNets = Para.Para32[0];
- for (i = 0; (SK_U32)i < pAC->Rlmt.NumNets; i++) {
- pAC->Rlmt.Net[i].RlmtState = SK_RLMT_RS_INIT;
- pAC->Rlmt.Net[i].RootIdSet = SK_FALSE;
- pAC->Rlmt.Net[i].Preference = 0xFFFFFFFF; /* "Automatic" */
- pAC->Rlmt.Net[i].PrefPort = SK_RLMT_DEF_PREF_PORT;
- /* Just assuming. */
- pAC->Rlmt.Net[i].ActivePort = pAC->Rlmt.Net[i].PrefPort;
- pAC->Rlmt.Net[i].RlmtMode = SK_RLMT_DEF_MODE;
- pAC->Rlmt.Net[i].TimeoutValue = SK_RLMT_DEF_TO_VAL;
-
- pAC->Rlmt.Net[i].NetNumber = i;
- }
-
- /* Set logical MAC addr on second net's active port. */
- (void)SkAddrOverride(pAC, IoC, pAC->Rlmt.Net[1].Port[pAC->Addr.
- Net[1].ActivePort]->PortNumber, NULL, SK_ADDR_SET_LOGICAL);
-
- SkEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_RLMT_SET_NETS, Para);
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("RLMT: Changed to two nets with one port each.\n"))
- }
- else {
- /* Not implemented for more than two nets. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SetNets not implemented for more than two nets.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SET_NETS Event EMPTY.\n"))
- return;
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_SET_NETS Event END.\n"))
-} /* SkRlmtSetNets */
-
-
-/******************************************************************************
- *
- * SkRlmtEvtModeChange - MODE_CHANGE
- *
- * Description:
- * This routine handles MODE_CHANGE events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * Nothing
- */
-RLMT_STATIC void SkRlmtEvtModeChange(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_EVPARA Para) /* SK_U32 NewMode; SK_U32 NetNumber */
-{
- SK_EVPARA Para2;
- SK_U32 i;
- SK_U32 PrevRlmtMode;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_MODE_CHANGE Event BEGIN.\n"))
-
- if (Para.Para32[1] >= pAC->Rlmt.NumNets) {
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Bad NetNumber %d.\n", Para.Para32[1]))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_MODE_CHANGE Event EMPTY.\n"))
- return;
- }
-
- Para.Para32[0] |= SK_RLMT_CHECK_LINK;
-
- if ((pAC->Rlmt.Net[Para.Para32[1]].NumPorts == 1) &&
- Para.Para32[0] != SK_RLMT_MODE_CLS) {
- pAC->Rlmt.Net[Para.Para32[1]].RlmtMode = SK_RLMT_MODE_CLS;
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Forced RLMT mode to CLS on single port net.\n"))
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_MODE_CHANGE Event EMPTY.\n"))
- return;
- }
-
- /* Update RLMT mode. */
- PrevRlmtMode = pAC->Rlmt.Net[Para.Para32[1]].RlmtMode;
- pAC->Rlmt.Net[Para.Para32[1]].RlmtMode = Para.Para32[0];
-
- if ((PrevRlmtMode & SK_RLMT_CHECK_LOC_LINK) !=
- (pAC->Rlmt.Net[Para.Para32[1]].RlmtMode & SK_RLMT_CHECK_LOC_LINK)) {
- /* SK_RLMT_CHECK_LOC_LINK bit changed. */
- if ((PrevRlmtMode & SK_RLMT_CHECK_OTHERS) == 0 &&
- pAC->Rlmt.Net[Para.Para32[1]].NumPorts > 1 &&
- pAC->Rlmt.Net[Para.Para32[1]].PortsUp >= 1) {
- /* 20001207 RA: Was "PortsUp == 1". */
- Para2.Para32[0] = Para.Para32[1];
- Para2.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[1]].LocTimer,
- pAC->Rlmt.Net[Para.Para32[1]].TimeoutValue,
- SKGE_RLMT, SK_RLMT_TIM, Para2);
- }
- }
-
- if ((PrevRlmtMode & SK_RLMT_CHECK_SEG) !=
- (pAC->Rlmt.Net[Para.Para32[1]].RlmtMode & SK_RLMT_CHECK_SEG)) {
- /* SK_RLMT_CHECK_SEG bit changed. */
- for (i = 0; i < pAC->Rlmt.Net[Para.Para32[1]].NumPorts; i++) {
- (void)SkAddrMcClear(pAC, IoC,
- pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber,
- SK_ADDR_PERMANENT | SK_MC_SW_ONLY);
-
- /* Add RLMT MC address. */
- (void)SkAddrMcAdd(pAC, IoC,
- pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber,
- &SkRlmtMcAddr, SK_ADDR_PERMANENT);
-
- if ((pAC->Rlmt.Net[Para.Para32[1]].RlmtMode &
- SK_RLMT_CHECK_SEG) != 0) {
- /* Add BPDU MC address. */
- (void)SkAddrMcAdd(pAC, IoC,
- pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber,
- &BridgeMcAddr, SK_ADDR_PERMANENT);
-
- if (pAC->Rlmt.Net[Para.Para32[1]].RlmtState != SK_RLMT_RS_INIT) {
- if (!pAC->Rlmt.Net[Para.Para32[1]].Port[i]->LinkDown &&
- (Para2.pParaPtr = SkRlmtBuildSpanningTreePacket(
- pAC, IoC, i)) != NULL) {
- pAC->Rlmt.Net[Para.Para32[1]].Port[i]->RootIdSet =
- SK_FALSE;
- SkEventQueue(pAC, SKGE_DRV, SK_DRV_RLMT_SEND, Para2);
- }
- }
- }
- (void)SkAddrMcUpdate(pAC, IoC,
- pAC->Rlmt.Net[Para.Para32[1]].Port[i]->PortNumber);
- } /* for ... */
-
- if ((pAC->Rlmt.Net[Para.Para32[1]].RlmtMode & SK_RLMT_CHECK_SEG) != 0) {
- Para2.Para32[0] = Para.Para32[1];
- Para2.Para32[1] = (SK_U32)-1;
- SkTimerStart(pAC, IoC, &pAC->Rlmt.Net[Para.Para32[1]].SegTimer,
- SK_RLMT_SEG_TO_VAL, SKGE_RLMT, SK_RLMT_SEG_TIM, Para2);
- }
- } /* SK_RLMT_CHECK_SEG bit changed. */
-
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("SK_RLMT_MODE_CHANGE Event END.\n"))
-} /* SkRlmtEvtModeChange */
-
-
-/******************************************************************************
- *
- * SkRlmtEvent - a PORT- or an RLMT-specific event happened
- *
- * Description:
- * This routine calls subroutines to handle PORT- and RLMT-specific events.
- *
- * Context:
- * runtime, pageable?
- * may be called after SK_INIT_IO
- *
- * Returns:
- * 0
- */
-int SkRlmtEvent(
-SK_AC *pAC, /* Adapter Context */
-SK_IOC IoC, /* I/O Context */
-SK_U32 Event, /* Event code */
-SK_EVPARA Para) /* Event-specific parameter */
-{
- switch (Event) {
-
- /* ----- PORT events ----- */
-
- case SK_RLMT_PORTSTART_TIM: /* From RLMT via TIME. */
- SkRlmtEvtPortStartTim(pAC, IoC, Para);
- break;
- case SK_RLMT_LINK_UP: /* From SIRQ. */
- SkRlmtEvtLinkUp(pAC, IoC, Para);
- break;
- case SK_RLMT_PORTUP_TIM: /* From RLMT via TIME. */
- SkRlmtEvtPortUpTim(pAC, IoC, Para);
- break;
- case SK_RLMT_PORTDOWN: /* From RLMT. */
- case SK_RLMT_PORTDOWN_RX_TIM: /* From RLMT via TIME. */
- case SK_RLMT_PORTDOWN_TX_TIM: /* From RLMT via TIME. */
- SkRlmtEvtPortDownX(pAC, IoC, Event, Para);
- break;
- case SK_RLMT_LINK_DOWN: /* From SIRQ. */
- SkRlmtEvtLinkDown(pAC, IoC, Para);
- break;
- case SK_RLMT_PORT_ADDR: /* From ADDR. */
- SkRlmtEvtPortAddr(pAC, IoC, Para);
- break;
-
- /* ----- RLMT events ----- */
-
- case SK_RLMT_START: /* From DRV. */
- SkRlmtEvtStart(pAC, IoC, Para);
- break;
- case SK_RLMT_STOP: /* From DRV. */
- SkRlmtEvtStop(pAC, IoC, Para);
- break;
- case SK_RLMT_TIM: /* From RLMT via TIME. */
- SkRlmtEvtTim(pAC, IoC, Para);
- break;
- case SK_RLMT_SEG_TIM:
- SkRlmtEvtSegTim(pAC, IoC, Para);
- break;
- case SK_RLMT_PACKET_RECEIVED: /* From DRV. */
- SkRlmtEvtPacketRx(pAC, IoC, Para);
- break;
- case SK_RLMT_STATS_CLEAR: /* From PNMI. */
- SkRlmtEvtStatsClear(pAC, IoC, Para);
- break;
- case SK_RLMT_STATS_UPDATE: /* From PNMI. */
- SkRlmtEvtStatsUpdate(pAC, IoC, Para);
- break;
- case SK_RLMT_PREFPORT_CHANGE: /* From PNMI. */
- SkRlmtEvtPrefportChange(pAC, IoC, Para);
- break;
- case SK_RLMT_MODE_CHANGE: /* From PNMI. */
- SkRlmtEvtModeChange(pAC, IoC, Para);
- break;
- case SK_RLMT_SET_NETS: /* From DRV. */
- SkRlmtEvtSetNets(pAC, IoC, Para);
- break;
-
- /* ----- Unknown events ----- */
-
- default: /* Create error log entry. */
- SK_DBG_MSG(pAC, SK_DBGMOD_RLMT, SK_DBGCAT_CTRL,
- ("Unknown RLMT Event %d.\n", Event))
- SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_RLMT_E003, SKERR_RLMT_E003_MSG);
- break;
- } /* switch() */
-
- return (0);
-} /* SkRlmtEvent */
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* CONFIG_SK98 */