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2229 lines
64 KiB
2229 lines
64 KiB
/*++
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Copyright(c) 1998,99 Microsoft Corporation
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Module Name:
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prot.c
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Abstract:
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Windows Load Balancing Service (WLBS)
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Driver - lower-level (protocol) layer of intermediate miniport
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Author:
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kyrilf
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--*/
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#define NDIS50 1
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#define NDIS51 1
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#include <ndis.h>
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#include "prot.h"
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#include "nic.h"
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#include "main.h"
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#include "util.h"
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#include "univ.h"
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#include "log.h"
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/* GLOBALS */
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NTHALAPI KIRQL KeGetCurrentIrql();
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static ULONG log_module_id = LOG_MODULE_PROT;
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/* PROCEDURES */
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VOID Prot_bind ( /* PASSIVE_IRQL */
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PNDIS_STATUS statusp,
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NDIS_HANDLE bind_handle,
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PNDIS_STRING device_name,
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PVOID reg_path,
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PVOID reserved)
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{
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NDIS_STATUS status;
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NDIS_STATUS error_status;
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PMAIN_CTXT ctxtp;
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ULONG ret;
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UINT medium_index;
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ULONG i;
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ULONG peek_size;
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ULONG tmp;
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ULONG xferred;
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ULONG needed;
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ULONG result;
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PNDIS_REQUEST request;
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MAIN_ACTION act;
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INT adapter_index; // ###### ramkrish for multiple nic support
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PMAIN_ADAPTER adapterp = NULL;
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/* WLBS 2.3 */
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NDIS_HANDLE ctxt_handle;
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NDIS_HANDLE config_handle;
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PNDIS_CONFIGURATION_PARAMETER param;
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NDIS_STRING device_str = NDIS_STRING_CONST ("UpperBindings");
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//DbgBreakPoint();
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/* make sure we are not attempting to bind to ourselves */
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UNIV_PRINT (("Prot_bind: binding to %ls", device_name -> Buffer));
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//#if 0
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adapter_index = Main_adapter_get (device_name -> Buffer);
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if (adapter_index != MAIN_ADAPTER_NOT_FOUND)
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{
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UNIV_PRINT (("Already bound to this device 0x%x", adapter_index));
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*statusp = NDIS_STATUS_FAILURE;
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return;
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}
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adapter_index = Main_adapter_selfbind (device_name -> Buffer);
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if (adapter_index != MAIN_ADAPTER_NOT_FOUND)
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{
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UNIV_PRINT (("Attempting to bind to ourselves 0x%x", adapter_index));
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*statusp = NDIS_STATUS_FAILURE;
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return;
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}
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adapter_index = Main_adapter_alloc (device_name -> Buffer);
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if (adapter_index == MAIN_ADAPTER_NOT_FOUND)
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{
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UNIV_PRINT (("Unable to allocate ctxt for adapter 0x%x", univ_adapters_count));
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*statusp = NDIS_STATUS_FAILURE;
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return;
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}
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//#endif
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// adapter_index = 0;
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adapterp = &(univ_adapters [adapter_index]);
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// adapterp -> used = TRUE;
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UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
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NdisAcquireSpinLock(& univ_bind_lock);
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adapterp -> bound = TRUE;
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NdisReleaseSpinLock(& univ_bind_lock);
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UNIV_PRINT (("Prot_bind: devicename: length %d max length %d",
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device_name -> Length, device_name -> MaximumLength));
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/* copy the device name to be used for future reference */
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//#if 0
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tmp = device_name -> MaximumLength * sizeof (WCHAR);
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status = NdisAllocateMemoryWithTag (& (adapterp -> device_name),
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device_name -> MaximumLength,
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UNIV_POOL_TAG);
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if (status != NDIS_STATUS_SUCCESS)
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{
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NdisAcquireSpinLock(& univ_bind_lock);
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adapterp -> bound = FALSE;
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NdisReleaseSpinLock(& univ_bind_lock);
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Main_adapter_put (adapterp);
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UNIV_PRINT (("error allocating memory %d %x", tmp, status));
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__LOG_MSG2 (MSG_ERROR_MEMORY, MSG_NONE, tmp, status);
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* statusp = status;
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return;
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}
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NdisMoveMemory (adapterp -> device_name,
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device_name -> Buffer,
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device_name -> Length);
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adapterp -> device_name_len = device_name -> MaximumLength;
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adapterp -> device_name [(device_name -> Length)/sizeof (WCHAR)] = UNICODE_NULL;
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//#endif
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/* if we failed to deallocate the context during unbind (both halt and unbind
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were not called for example) - do it now before allocating a new context */
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/* SBH - I think the comment below is bogus... Let's find out. */
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ASSERT (adapterp->ctxtp == NULL);
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#if 0 // This code has been commented out since inited is guaranteed to be reset at this point
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if (adapterp -> inited && adapterp -> ctxtp != NULL)
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{
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adapterp -> inited = FALSE;
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NdisReleaseSpinLock(& univ_bind_lock);
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Main_cleanup (adapterp -> ctxtp);
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NdisFreeMemory (adapterp -> ctxtp, sizeof (MAIN_CTXT), 0);
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adapterp -> ctxtp = NULL;
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if (adapterp -> device_name_len)
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{
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NdisFreeMemory (adapterp -> device_name, adapterp -> device_name_len, 0);
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adapterp -> device_name = NULL;
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adapterp -> device_name_len = 0;
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}
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}
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else
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NdisReleaseSpinLock(& univ_bind_lock);
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#endif
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/* allocate device context */
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status = NdisAllocateMemoryWithTag (& (adapterp -> ctxtp), sizeof (MAIN_CTXT),
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UNIV_POOL_TAG);
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error allocating memory %d %x", sizeof (MAIN_CTXT), status));
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__LOG_MSG2 (MSG_ERROR_MEMORY, MSG_NONE, sizeof (MAIN_CTXT), status);
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__LOG_MSG (MSG_ERROR_BIND_FAIL, adapterp -> device_name);
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* statusp = status;
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if (adapterp -> device_name_len)
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{
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NdisFreeMemory (adapterp -> device_name, adapterp -> device_name_len, 0);
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adapterp -> device_name = NULL;
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adapterp -> device_name_len = 0;
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}
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NdisAcquireSpinLock(& univ_bind_lock);
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adapterp -> bound = FALSE;
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NdisReleaseSpinLock(& univ_bind_lock);
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Main_adapter_put (adapterp);
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return;
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}
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/* initialize context */
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ctxtp = adapterp -> ctxtp;
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NdisZeroMemory (ctxtp, sizeof (MAIN_CTXT));
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NdisAcquireSpinLock (& univ_bind_lock);
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ctxtp -> code = MAIN_CTXT_CODE;
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ctxtp -> bind_handle = bind_handle;
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ctxtp -> adapter_id = adapter_index;
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NdisReleaseSpinLock (& univ_bind_lock);
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NdisInitializeEvent (& ctxtp -> completion_event);
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NdisResetEvent (& ctxtp -> completion_event);
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/* bind to specified adapter */
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ctxt_handle = (NDIS_HANDLE) ctxtp;
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NdisOpenAdapter (& status, & error_status, & ctxtp -> mac_handle,
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& medium_index, univ_medium_array, UNIV_NUM_MEDIUMS,
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univ_prot_handle, ctxtp, device_name, 0, NULL);
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/* if pending - wait for Prot_open_complete to set the completion event */
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if (status == NDIS_STATUS_PENDING)
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{
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ret = NdisWaitEvent (& ctxtp -> completion_event, UNIV_WAIT_TIME);
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if (! ret)
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{
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UNIV_PRINT (("error waiting for event"));
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__LOG_MSG1 (MSG_ERROR_INTERNAL, MSG_NONE, status);
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* statusp = status;
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NdisFreeMemory (ctxtp, sizeof (MAIN_CTXT), 0);
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if (adapterp -> device_name_len)
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{
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NdisFreeMemory (adapterp -> device_name, adapterp -> device_name_len, 0);
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adapterp -> device_name = NULL;
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adapterp -> device_name_len = 0;
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}
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NdisAcquireSpinLock(& univ_bind_lock);
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adapterp -> bound = FALSE;
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NdisReleaseSpinLock(& univ_bind_lock);
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Main_adapter_put (adapterp);
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return;
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}
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status = ctxtp -> completion_status;
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}
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/* check binding status */
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error openning adapter %x", status));
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__LOG_MSG1 (MSG_ERROR_OPEN, device_name -> Buffer, status);
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/* If the failure was because the medium was not supported, log this. */
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if (status == NDIS_STATUS_UNSUPPORTED_MEDIA) {
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UNIV_PRINT (("unsupported medium"));
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__LOG_MSG (MSG_ERROR_MEDIA, MSG_NONE);
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}
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* statusp = status;
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NdisFreeMemory (ctxtp, sizeof (MAIN_CTXT), 0);
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if (adapterp -> device_name_len)
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{
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NdisFreeMemory (adapterp -> device_name, adapterp -> device_name_len, 0);
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adapterp -> device_name = NULL;
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adapterp -> device_name_len = 0;
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}
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NdisAcquireSpinLock(& univ_bind_lock);
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adapterp -> bound = FALSE;
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NdisReleaseSpinLock(& univ_bind_lock);
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Main_adapter_put (adapterp);
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return;
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}
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ctxtp -> medium = univ_medium_array [medium_index];
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/* V1.3.1b make sure that underlying adapter is of the supported medium */
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if (ctxtp -> medium != NdisMedium802_3)
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{
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/* This should never happen because this error should be caught earlier
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by NdisOpenAdapter, but we'll put another check here just in case. */
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UNIV_PRINT (("unsupported medium %d", ctxtp -> medium));
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__LOG_MSG1 (MSG_ERROR_MEDIA, MSG_NONE, ctxtp -> medium);
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goto error;
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}
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/* Copy "WLBS Cluster " into the log string. We'll add the cluster IP address later. This
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is because in some failure paths, we try to print this out in an event log, but its empty,
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so the event log looks incomplete. True, it will not necessarily have the cluster IP
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address, but it will have something. */
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wcscpy(ctxtp->log_msg_str, CVY_NAME_MULTI_NIC);
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/* V1.3.0b extract current MAC address from the NIC - note that main is not
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inited yet so we have to create a local action */
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act . code = MAIN_ACTION_CODE;
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act . ctxtp = ctxtp;
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request = & act . op . request . req;
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act . op . request . xferred = & xferred;
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act . op . request . needed = & needed;
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request -> RequestType = NdisRequestQueryInformation;
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if (ctxtp -> medium == NdisMedium802_3)
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request -> DATA . QUERY_INFORMATION . Oid = OID_802_3_CURRENT_ADDRESS;
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request -> DATA . QUERY_INFORMATION . InformationBuffer = & ctxtp -> ded_mac_addr;
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request -> DATA . QUERY_INFORMATION . InformationBufferLength = sizeof (CVY_MAC_ADR);
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status = Prot_request (ctxtp, & act, FALSE);
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error %x requesting station address %d %d", status, xferred, needed));
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goto error;
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}
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/* V1.3.1b get MAC options */
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request -> RequestType = NdisRequestQueryInformation;
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request -> DATA . QUERY_INFORMATION . Oid = OID_GEN_MAC_OPTIONS;
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request -> DATA . QUERY_INFORMATION . InformationBuffer = & result;
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request -> DATA . QUERY_INFORMATION . InformationBufferLength = sizeof (ULONG);
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status = Prot_request (ctxtp, & act, FALSE);
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error %x requesting MAC options %d %d", status, xferred, needed));
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goto error;
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}
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UNIV_PRINT(("Prot_request query mac options completed"));
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ctxtp -> mac_options = result;
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/* Make sure the 802.3 adapter supports dynamically changing the MAC address of the NIC. */
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if (!(ctxtp -> mac_options & NDIS_MAC_OPTION_SUPPORTS_MAC_ADDRESS_OVERWRITE)) {
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UNIV_PRINT (("unsupported network adapter MAC options %x", ctxtp -> mac_options));
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__LOG_MSG (MSG_ERROR_DYNAMIC_MAC, MSG_NONE);
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goto error;
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}
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status = Params_init (ctxtp, univ_reg_path, adapterp -> device_name + 8, & (ctxtp -> params));
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/* Now, cat the cluster IP address onto the log message string to complete it. */
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wcscat(ctxtp->log_msg_str, ctxtp->params.cl_ip_addr);
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error retrieving registry parameters %x", status));
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ctxtp -> convoy_enabled = ctxtp -> params_valid = FALSE;
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}
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else
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{
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ctxtp -> convoy_enabled = ctxtp -> params_valid = TRUE;
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}
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/* V1.3.2b check if media is connected. some cards do not register
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disconnection - so use this as a hint. */
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request -> RequestType = NdisRequestQueryInformation;
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request -> DATA . QUERY_INFORMATION . Oid = OID_GEN_MEDIA_CONNECT_STATUS;
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request -> DATA . QUERY_INFORMATION . InformationBuffer = & result;
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request -> DATA . QUERY_INFORMATION . InformationBufferLength = sizeof (ULONG);
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status = Prot_request (ctxtp, & act, FALSE);
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error %x requesting media connection status %d %d", status, xferred, needed));
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ctxtp -> media_connected = TRUE;
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}
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else
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{
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ctxtp -> media_connected = (result == NdisMediaStateConnected);
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UNIV_PRINT (("Media state - %s", result == NdisMediaStateConnected ? "CONNECTED" : "DISCONNECTED"));
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UNIV_PRINT(("Prot_request query media connect status completed"));
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}
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/* V1.3.2b figure out MTU of the medium */
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request -> RequestType = NdisRequestQueryInformation;
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request -> DATA . QUERY_INFORMATION . Oid = OID_GEN_MAXIMUM_TOTAL_SIZE;
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request -> DATA . QUERY_INFORMATION . InformationBuffer = & result;
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request -> DATA . QUERY_INFORMATION . InformationBufferLength = sizeof (ULONG);
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status = Prot_request (ctxtp, & act, FALSE);
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error %x requesting max frame size %d %d", status, xferred, needed));
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ctxtp -> max_frame_size = CVY_MAX_FRAME_SIZE;
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}
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else
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{
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ctxtp -> max_frame_size = result;
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UNIV_PRINT(("Prot_request query oid gen max size completed"));
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}
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/* figure out maximum multicast list size */
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request -> RequestType = NdisRequestQueryInformation;
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if (ctxtp -> medium == NdisMedium802_3)
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request -> DATA . QUERY_INFORMATION . Oid = OID_802_3_MAXIMUM_LIST_SIZE;
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request -> DATA . QUERY_INFORMATION . InformationBufferLength = sizeof (ULONG);
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request -> DATA . QUERY_INFORMATION . InformationBuffer = & ctxtp->max_mcast_list_size;
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status = Prot_request (ctxtp, & act, FALSE);
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if (status != NDIS_STATUS_SUCCESS)
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{
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UNIV_PRINT (("error %x setting multicast address %d %d", status, xferred, needed));
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goto error;
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}
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UNIV_PRINT(("Prot_request query oid gen max list size completed"));
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|
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/* initialize main context now */
|
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|
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status = Main_init (ctxtp);
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|
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if (status != NDIS_STATUS_SUCCESS)
|
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{
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UNIV_PRINT (("error initializing main module %x", status));
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goto error;
|
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}
|
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|
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NdisAcquireSpinLock(& univ_bind_lock);
|
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adapterp -> inited = TRUE;
|
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NdisReleaseSpinLock(& univ_bind_lock);
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|
|
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/* WLBS 2.3 start off by opening the config section and reading our instance
|
|
which we want to export for this binding */
|
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|
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NdisOpenProtocolConfiguration (& status, & config_handle, reg_path);
|
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|
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if (status != NDIS_STATUS_SUCCESS)
|
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{
|
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UNIV_PRINT (("error openning protocol configuration %x", status));
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goto error;
|
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}
|
|
|
|
NdisReadConfiguration (& status, & param, config_handle, & device_str,
|
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NdisParameterString);
|
|
|
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if (status != NDIS_STATUS_SUCCESS)
|
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{
|
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UNIV_PRINT (("error reading binding configuration %x", status));
|
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goto error;
|
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}
|
|
|
|
/* free up whatever params allocated and get a new string to fit the
|
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device name */
|
|
|
|
if (param -> ParameterData . StringData . Length >=
|
|
sizeof (ctxtp -> virtual_nic_name) - sizeof (WCHAR))
|
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{
|
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UNIV_PRINT (("nic name string too big %d %d\n", param -> ParameterData . StringData . Length, sizeof (ctxtp -> virtual_nic_name) - sizeof (WCHAR)));
|
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}
|
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|
|
NdisMoveMemory (ctxtp -> virtual_nic_name,
|
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param -> ParameterData . StringData . Buffer,
|
|
param -> ParameterData . StringData . Length <
|
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sizeof (ctxtp -> virtual_nic_name) - sizeof (WCHAR) ?
|
|
param -> ParameterData . StringData . Length :
|
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sizeof (ctxtp -> virtual_nic_name) - sizeof (WCHAR));
|
|
|
|
* (PWSTR) ((PCHAR) ctxtp -> virtual_nic_name +
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param -> ParameterData . StringData . Length) = L'\0' ;
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|
|
UNIV_PRINT (("read binding name %ls\n", ctxtp -> virtual_nic_name));
|
|
|
|
#if 0
|
|
{
|
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WCHAR reg_path [512];
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|
|
|
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wcscpy (reg_path, univ_reg_path);
|
|
wcscat (reg_path, adapterp -> device_name + 8);
|
|
|
|
UNIV_PRINT (("Prot_bind: write binding name to %ls", reg_path));
|
|
status = RtlWriteRegistryValue (RTL_REGISTRY_SERVICES, reg_path,
|
|
CVY_NAME_VIRTUAL_NIC, REG_SZ,
|
|
ctxtp -> params . virtual_nic_name,
|
|
param -> ParameterData . StringData . Length + 2);
|
|
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
UNIV_PRINT (("error writing virtual NIC name %x", status));
|
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}
|
|
}
|
|
#endif
|
|
|
|
/* we should be all inited at this point! during announcement, Nic_init
|
|
will be called and it will start ping timer */
|
|
|
|
/* announce ourselves to the protocol above */
|
|
UNIV_PRINT(("calling nic_announce"));
|
|
status = Nic_announce (ctxtp);
|
|
|
|
if (status != NDIS_STATUS_SUCCESS)
|
|
{
|
|
UNIV_PRINT (("error announcing driver %x", status));
|
|
goto error;
|
|
}
|
|
|
|
UNIV_PRINT (("Prot_bind: bound to %ls with %x", device_name -> Buffer, ctxtp -> mac_handle));
|
|
|
|
/* at this point TCP/IP should have bound to us after we announced ourselves
|
|
to it and we are all done binding to NDIS below - all set! */
|
|
|
|
if (! ctxtp -> convoy_enabled)
|
|
LOG_MSG (MSG_ERROR_DISABLED, MSG_NONE);
|
|
else
|
|
{
|
|
ctxtp -> convoy_enabled = ctxtp -> params . cluster_mode;
|
|
|
|
if (ctxtp -> convoy_enabled)
|
|
{
|
|
WCHAR num [20];
|
|
|
|
Univ_ulong_to_str (ctxtp -> params . host_priority, num, 10);
|
|
LOG_MSG (MSG_INFO_STARTED, num);
|
|
}
|
|
else
|
|
LOG_MSG (MSG_INFO_STOPPED, MSG_NONE);
|
|
}
|
|
|
|
UNIV_PRINT (("Prot_bind: returning 0x%x", status));
|
|
* statusp = status;
|
|
return;
|
|
|
|
error:
|
|
|
|
* statusp = status;
|
|
|
|
Prot_unbind (& status, ctxtp, ctxtp);
|
|
|
|
return;
|
|
|
|
} /* end Prot_bind */
|
|
|
|
|
|
VOID Prot_unbind ( /* PASSIVE_IRQL */
|
|
PNDIS_STATUS statusp,
|
|
NDIS_HANDLE adapter_handle,
|
|
NDIS_HANDLE unbind_handle)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
NDIS_STATUS status = NDIS_STATUS_SUCCESS;
|
|
PMAIN_ACTION actp;
|
|
PMAIN_ADAPTER adapterp;
|
|
INT adapter_index;
|
|
|
|
|
|
UNIV_PRINT (("Prot_unbind: called %x", ctxtp));
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapter_index = ctxtp -> adapter_id;
|
|
|
|
adapterp = & (univ_adapters [adapter_index]);
|
|
UNIV_ASSERT (adapterp -> code = MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
ctxtp -> unbind_handle = unbind_handle;
|
|
|
|
if (ctxtp->out_request != NULL)
|
|
{
|
|
actp = ctxtp->out_request;
|
|
ctxtp->out_request = NULL;
|
|
|
|
Prot_request_complete(ctxtp, & actp->op.request.req, NDIS_STATUS_FAILURE);
|
|
}
|
|
|
|
/* unannounce the nic now if it was announced before */
|
|
status = Nic_unannounce (ctxtp);
|
|
UNIV_PRINT (("Prot_unbind: unaunnounced %x", status));
|
|
|
|
/* if still bound (Prot_close was not called from Nic_halt) then close now */
|
|
|
|
status = Prot_close (adapterp);
|
|
UNIV_PRINT (("Prot_unbind: closed %x", status));
|
|
|
|
|
|
/* ctxtp might be gone at this point! */
|
|
#if 0
|
|
if (adapterp -> device_name_len)
|
|
{
|
|
NdisFreeMemory (adapterp -> device_name, adapterp -> device_name_len, 0);
|
|
adapterp -> device_name = NULL;
|
|
adapterp -> device_name_len = 0;
|
|
}
|
|
#endif
|
|
|
|
Main_adapter_put (adapterp);
|
|
|
|
* statusp = status;
|
|
UNIV_PRINT (("Prot_unbind: returning with status 0x%x", status));
|
|
return;
|
|
|
|
} /* end Prot_unbind */
|
|
|
|
|
|
VOID Prot_open_complete ( /* PASSIVE_IRQL */
|
|
NDIS_HANDLE adapter_handle,
|
|
NDIS_STATUS open_status,
|
|
NDIS_STATUS error_status)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
|
|
|
|
UNIV_PRINT (("Prot_open_complete: called %x", ctxtp));
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
ctxtp -> completion_status = open_status;
|
|
NdisSetEvent (& ctxtp -> completion_event);
|
|
|
|
} /* end Prot_open_complete */
|
|
|
|
|
|
VOID Prot_close_complete ( /* PASSIVE_IRQL */
|
|
NDIS_HANDLE adapter_handle,
|
|
NDIS_STATUS status)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
|
|
|
|
UNIV_PRINT (("Prot_close_complete: called %x %x", ctxtp, status));
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
ctxtp -> completion_status = status;
|
|
NdisSetEvent (& ctxtp -> completion_event);
|
|
|
|
} /* end Prot_close_complete */
|
|
|
|
|
|
VOID Prot_request_complete (
|
|
NDIS_HANDLE adapter_handle,
|
|
PNDIS_REQUEST request,
|
|
NDIS_STATUS status)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
PMAIN_ACTION actp;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
actp = CONTAINING_RECORD (request, MAIN_ACTION, op . request . req);
|
|
UNIV_ASSERT (actp -> code == MAIN_ACTION_CODE);
|
|
|
|
/* if request came from above - pass completion up */
|
|
|
|
ctxtp->requests_pending = FALSE;
|
|
|
|
if (actp -> op . request . external)
|
|
{
|
|
actp -> status = status;
|
|
Nic_request_complete (ctxtp -> prot_handle, actp);
|
|
// Nic_sync_queue (ctxtp, Nic_request_complete, actp, TRUE);
|
|
}
|
|
|
|
/* handle internal request completion */
|
|
|
|
else
|
|
{
|
|
if (request -> RequestType == NdisRequestSetInformation)
|
|
{
|
|
* actp -> op . request . xferred =
|
|
request -> DATA . SET_INFORMATION . BytesRead;
|
|
* actp -> op . request . needed =
|
|
request -> DATA . SET_INFORMATION . BytesNeeded;
|
|
}
|
|
else
|
|
{
|
|
* actp -> op . request . xferred =
|
|
request -> DATA . QUERY_INFORMATION . BytesWritten;
|
|
* actp -> op . request . needed =
|
|
request -> DATA . QUERY_INFORMATION . BytesNeeded;
|
|
}
|
|
|
|
ctxtp -> completion_status = status;
|
|
NdisSetEvent (& ctxtp -> completion_event);
|
|
}
|
|
|
|
} /* end Prot_request_complete */
|
|
|
|
|
|
#ifdef PERIODIC_RESET
|
|
extern ULONG resetting;
|
|
#endif
|
|
|
|
VOID Prot_reset_complete (
|
|
NDIS_HANDLE adapter_handle,
|
|
NDIS_STATUS status)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
// PMAIN_ACTION actp;
|
|
PMAIN_ADAPTER adapterp;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
if (! adapterp -> inited)
|
|
return;
|
|
|
|
#ifdef PERIODIC_RESET
|
|
if (resetting)
|
|
{
|
|
resetting = FALSE;
|
|
return;
|
|
}
|
|
#endif
|
|
/*
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
return;
|
|
}
|
|
|
|
actp -> status = status;
|
|
*/
|
|
Nic_reset_complete (ctxtp, status);
|
|
// Nic_sync_queue (ctxtp, Nic_reset_complete, actp, TRUE);
|
|
|
|
} /* end Prot_reset_complete */
|
|
|
|
|
|
VOID Prot_send_complete (
|
|
NDIS_HANDLE adapter_handle,
|
|
PNDIS_PACKET packet,
|
|
NDIS_STATUS status)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
PNDIS_PACKET oldp;
|
|
PNDIS_PACKET_STACK pktstk;
|
|
BOOLEAN stack_left;
|
|
PMAIN_PROTOCOL_RESERVED resp;
|
|
LONG lock_value;
|
|
PMAIN_ADAPTER adapterp;
|
|
BOOLEAN set = FALSE;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
if (! adapterp -> inited)
|
|
return;
|
|
|
|
MAIN_RESP_FIELD(packet, stack_left, pktstk, resp, TRUE);
|
|
|
|
if (resp -> type == MAIN_PACKET_TYPE_PING ||
|
|
resp -> type == MAIN_PACKET_TYPE_IGMP)
|
|
{
|
|
Main_send_done (ctxtp, packet, status);
|
|
return;
|
|
}
|
|
|
|
if (resp -> type == MAIN_PACKET_TYPE_CTRL)
|
|
{
|
|
UNIV_PRINT (("Prot_send_complete: control packet send complete\n"));
|
|
Main_packet_put (ctxtp, packet, TRUE, status);
|
|
return;
|
|
}
|
|
|
|
UNIV_ASSERT_VAL (resp -> type == MAIN_PACKET_TYPE_PASS, resp -> type);
|
|
|
|
#if 0 /* this code is only needed for Prot_send - see comments in Prot_send */
|
|
|
|
/* atomically signal Prot_send that a send complete arrived in case it is
|
|
still in progress; see Prot_send and associated problem */
|
|
|
|
lock_value = InterlockedDecrement (& resp -> data);
|
|
UNIV_ASSERT_VAL (lock_value == 0 || lock_value == 1, lock_value);
|
|
|
|
/* if lock value is 1 then Prot_send is still running and we will supply it with
|
|
a return status so that it can complete synchronously; otherwise, Prot_send
|
|
has completed and we must provide an asynchronous completion to the protocol */
|
|
|
|
if (lock_value == 1)
|
|
{
|
|
resp -> len = status;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
oldp = Main_packet_put (ctxtp, packet, TRUE, status);
|
|
/* ######
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
*/
|
|
/* make sure that we always signal resource availability even if
|
|
we cannot get an action to post a Nic_send_complete. do it
|
|
through Nic_send_resources_signal instead */
|
|
/* ######
|
|
if (ctxtp -> packets_exhausted)
|
|
{
|
|
ctxtp -> packets_exhausted = FALSE;
|
|
Nic_sync_queue (ctxtp, Nic_send_resources_signal, ctxtp, TRUE);
|
|
}
|
|
|
|
return;
|
|
}
|
|
*/
|
|
if (ctxtp -> packets_exhausted)
|
|
{
|
|
ctxtp -> packets_exhausted = FALSE;
|
|
|
|
/* optimized out since Nic_send_complete will perform the same action
|
|
as the Nic_send_resources_signal */
|
|
|
|
/* Nic_sync_queue (ctxtp, Nic_send_resources_signal, ctxtp, TRUE); */
|
|
}
|
|
/* ######
|
|
actp -> status = status;
|
|
actp -> op . send . packet = oldp;
|
|
*/
|
|
Nic_send_complete (ctxtp, status, oldp);
|
|
|
|
// Nic_sync_queue (ctxtp, Nic_send_complete, actp, TRUE);
|
|
|
|
} /* end Prot_send_complete */
|
|
|
|
|
|
NDIS_STATUS Prot_recv_indicate (
|
|
NDIS_HANDLE adapter_handle,
|
|
NDIS_HANDLE recv_handle,
|
|
PVOID head_buf,
|
|
UINT head_len,
|
|
PVOID look_buf,
|
|
UINT look_len,
|
|
UINT packet_len)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
// PMAIN_ACTION actp;
|
|
NDIS_STATUS status;
|
|
PNDIS_PACKET packet, newp;
|
|
ULONG xferred;
|
|
BOOLEAN accept = FALSE;
|
|
PMAIN_ADAPTER adapterp;
|
|
PNDIS_PACKET_STACK pktstk;
|
|
BOOLEAN stack_left;
|
|
PMAIN_PROTOCOL_RESERVED resp;
|
|
LONG lock_value;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
// ###### ramkrish check: check whether the driver has been announced to tcpip before processing any packets
|
|
if (! adapterp -> inited || ! adapterp -> announced)
|
|
return NDIS_STATUS_NOT_ACCEPTED;
|
|
|
|
/* fix netflex driver bug that reports bogus packet length to us */
|
|
|
|
UNIV_ASSERT_VAL2(packet_len <= ctxtp -> max_frame_size && look_len <= ctxtp -> max_frame_size, packet_len, look_len);
|
|
|
|
CVY_CHECK_MAX(look_len, ctxtp->max_frame_size);
|
|
CVY_CHECK_MAX(packet_len, ctxtp->max_frame_size);
|
|
|
|
/* V1.1.2 do not accept frames if the card below is resetting */
|
|
|
|
if (ctxtp -> reset_state != MAIN_RESET_NONE)
|
|
return NDIS_STATUS_NOT_ACCEPTED;
|
|
|
|
ctxtp -> recv_indicated = TRUE;
|
|
|
|
/* V1.3.2b - see if we need to handle this packet */
|
|
|
|
packet = Main_recv_indicate (ctxtp, recv_handle, look_buf, look_len,
|
|
packet_len, head_buf, head_len, &accept);
|
|
|
|
if (! accept) /* NT 5.1 - ramkrish */
|
|
{
|
|
ctxtp -> recv_indicated = FALSE;
|
|
return NDIS_STATUS_NOT_ACCEPTED;
|
|
}
|
|
|
|
/* transfer the rest of the data if required. note that we have to xfer
|
|
entire packet due to bugs on some card drives that do not handle
|
|
partial xfers */
|
|
|
|
if (packet != NULL) /* NT 5.1 - ramkrish */
|
|
{
|
|
if (look_len < packet_len)
|
|
{
|
|
NdisTransferData (& status, ctxtp -> mac_handle, recv_handle,
|
|
0, packet_len, packet, & xferred);
|
|
}
|
|
else
|
|
{
|
|
xferred = 0;
|
|
status = NDIS_STATUS_SUCCESS;
|
|
}
|
|
|
|
if (status != NDIS_STATUS_PENDING)
|
|
Prot_transfer_complete (adapter_handle, packet, status, xferred);
|
|
}
|
|
else /* propagate indicates to the protocol - NT 5.1 - ramkrish */
|
|
{
|
|
do
|
|
{
|
|
/* If a packet was indicated, then indicate the packet up to the protocols */
|
|
packet = NdisGetReceivedPacket (ctxtp -> mac_handle, recv_handle);
|
|
|
|
|
|
if (packet != NULL) /* Then allocate a new packet and then pass it up as a packet recv,
|
|
but marked with status resources. */
|
|
{
|
|
newp = Main_packet_get (ctxtp, packet, FALSE, 0, 0);
|
|
|
|
if (newp != NULL)
|
|
{
|
|
MAIN_RESP_FIELD(packet, stack_left, pktstk, resp, FALSE);
|
|
|
|
resp -> data = 2; /* This is to ensure that Prot_return does not return this packet */
|
|
|
|
status = NDIS_GET_PACKET_STATUS(packet);
|
|
NDIS_SET_PACKET_STATUS (newp, NDIS_STATUS_RESOURCES);
|
|
|
|
Nic_recv_packet (ctxtp, newp);
|
|
|
|
Main_packet_put (ctxtp, newp, FALSE, NDIS_GET_PACKET_STATUS (newp));
|
|
NDIS_SET_PACKET_STATUS (packet, status);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Fall through if no packet was indicated or no packet could be allocated or no packet stack */
|
|
|
|
Nic_recv_indicate (ctxtp, recv_handle, head_buf, head_len, look_buf,
|
|
look_len, packet_len);
|
|
|
|
} while (FALSE);
|
|
}
|
|
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
#if 0 /* old code */
|
|
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
return NDIS_STATUS_NOT_ACgCEPTED;
|
|
}
|
|
|
|
actp -> op . indicate . recv_handle = recv_handle;
|
|
actp -> op . indicate . head_buf = head_buf;
|
|
actp -> op . indicate . head_len = head_len;
|
|
actp -> op . indicate . look_buf = look_buf;
|
|
actp -> op . indicate . look_len = look_len;
|
|
actp -> op . indicate . packet_len = packet_len;
|
|
|
|
if (! Nic_sync_queue (ctxtp, Nic_recv_indicate, actp, FALSE)) /* 1.2.1 */
|
|
{
|
|
if (((PUCHAR) head_buf) [0] & 0x1)
|
|
{
|
|
UNIV_PRINT (("error delivering loopback to higher level protocol due to syncing problem"));
|
|
}
|
|
else
|
|
{
|
|
UNIV_PRINT (("error delivering receive indicate to higher level protocol due to syncing problem"));
|
|
}
|
|
|
|
Main_action_put (ctxtp, actp);
|
|
return NDIS_STATUS_NOT_ACCEPTED;
|
|
}
|
|
|
|
/* Main_action_put will be called in Nic_recv_indicate */
|
|
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
#endif
|
|
|
|
} /* end Prot_recv_indicate */
|
|
|
|
|
|
VOID Prot_recv_complete ( /* PASSIVE_IRQL */
|
|
NDIS_HANDLE adapter_handle)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
PLIST_ENTRY entryp;
|
|
PMAIN_ADAPTER adapterp;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
if (! adapterp -> inited)
|
|
return;
|
|
|
|
if (! adapterp -> announced)
|
|
return;
|
|
|
|
/* process control queue if there is any work on it */
|
|
|
|
while (1)
|
|
{
|
|
PMAIN_ACTION actp;
|
|
|
|
|
|
entryp = NdisInterlockedRemoveHeadList (& ctxtp -> rct_list,
|
|
& ctxtp -> rct_lock);
|
|
|
|
if (entryp == NULL)
|
|
break;
|
|
|
|
actp = CONTAINING_RECORD (entryp, MAIN_ACTION, link);
|
|
UNIV_ASSERT (actp -> code == MAIN_ACTION_CODE);
|
|
|
|
/* handle remote control request now */
|
|
Main_ctrl_recv (ctxtp, actp -> op . ctrl . packet);
|
|
|
|
/* note un-optimized call since running at PASSIVE IRQL */
|
|
Main_action_put (ctxtp, actp);
|
|
}
|
|
|
|
Nic_recv_complete (ctxtp);
|
|
|
|
// Nic_sync_queue (ctxtp, Nic_recv_complete, ctxtp, TRUE);
|
|
|
|
} /* end Prot_recv_complete */
|
|
|
|
|
|
VOID Prot_transfer_complete (
|
|
NDIS_HANDLE adapter_handle,
|
|
PNDIS_PACKET packet,
|
|
NDIS_STATUS status,
|
|
UINT xferred)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
PNDIS_PACKET oldp;
|
|
PNDIS_PACKET_STACK pktstk;
|
|
BOOLEAN stack_left;
|
|
PMAIN_PROTOCOL_RESERVED resp;
|
|
LONG lock_value;
|
|
PNDIS_BUFFER bufp;
|
|
PMAIN_ADAPTER adapterp;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
if (! adapterp -> inited)
|
|
return;
|
|
|
|
MAIN_RESP_FIELD (packet, stack_left, pktstk, resp, FALSE); /* #ps# */
|
|
|
|
if (resp -> type == MAIN_PACKET_TYPE_PING)
|
|
{
|
|
Main_xfer_done (ctxtp, packet, status, xferred);
|
|
return;
|
|
}
|
|
|
|
UNIV_ASSERT_VAL (resp -> type == MAIN_PACKET_TYPE_INDICATE ||
|
|
resp -> type == MAIN_PACKET_TYPE_CTRL ||
|
|
resp -> type == MAIN_PACKET_TYPE_TRANSFER,
|
|
resp -> type);
|
|
|
|
/* V2.0.6 */
|
|
|
|
/* Added code for NT 5.1 - ramkrish */
|
|
if (resp -> type == MAIN_PACKET_TYPE_TRANSFER)
|
|
{
|
|
if (status == NDIS_STATUS_SUCCESS)
|
|
{
|
|
PUCHAR hdrp, mac_hdrp, tcp_hdrp;
|
|
ULONG len;
|
|
USHORT sig, group;
|
|
|
|
/* Parse the buffers and obtain the length and group information.
|
|
* This is used to update the counters.
|
|
*/
|
|
hdrp = Main_frame_parse (ctxtp, packet, & mac_hdrp, 0, & tcp_hdrp, & len,
|
|
& sig, & group, FALSE);
|
|
if (hdrp)
|
|
{
|
|
resp -> len = len; /* 64-bit -- ramkrish */
|
|
resp -> group = group;
|
|
}
|
|
}
|
|
oldp = Main_packet_put (ctxtp, packet, FALSE, status);
|
|
Nic_transfer_complete (ctxtp, status, packet, xferred);
|
|
return;
|
|
}
|
|
|
|
if (status != NDIS_STATUS_SUCCESS)
|
|
{
|
|
UNIV_PRINT (("error transferring %x", status));
|
|
Main_packet_put (ctxtp, packet, FALSE, status);
|
|
return;
|
|
}
|
|
|
|
/* V1.3.2b */
|
|
|
|
if ((UINT) resp -> data != xferred)
|
|
{
|
|
UNIV_PRINT (("did not xfer enough data %d %d\n", resp -> data, xferred));
|
|
Main_packet_put (ctxtp, packet, FALSE, NDIS_STATUS_FAILURE);
|
|
return;
|
|
}
|
|
|
|
/* if some data was transferred - then replace partial buffer with full
|
|
frame buffer. we had a partial buffer describing just the data portion,
|
|
without media header for NdisTransferData call. protocols can't handle
|
|
multiple linked buffers on receive, so we need to have one big one
|
|
describing both media header and payload */
|
|
|
|
if (xferred > 0)
|
|
{
|
|
NdisUnchainBufferAtFront (packet, & bufp);
|
|
bufp = ((PMAIN_BUFFER) resp -> miscp) -> full_bufp;
|
|
NdisChainBufferAtFront (packet, bufp);
|
|
}
|
|
|
|
/* put control packets on control queue */
|
|
|
|
if (resp -> type == MAIN_PACKET_TYPE_CTRL)
|
|
{
|
|
PMAIN_ACTION actp;
|
|
|
|
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
Main_packet_put (ctxtp, packet, TRUE, NDIS_STATUS_FAILURE);
|
|
return;
|
|
}
|
|
|
|
actp -> op . ctrl . packet = packet;
|
|
|
|
NdisAcquireSpinLock (& ctxtp -> rct_lock);
|
|
InsertTailList (& ctxtp -> rct_list, & actp -> link);
|
|
NdisReleaseSpinLock (& ctxtp -> rct_lock);
|
|
|
|
return;
|
|
}
|
|
|
|
/* pass packet up. note signalling to decide who will dispose of the
|
|
packet */
|
|
|
|
resp -> data = 2;
|
|
|
|
// actp -> op . recv . packet = packet;
|
|
|
|
Nic_recv_packet (ctxtp, packet);
|
|
// Nic_sync_queue (ctxtp, Nic_recv_packet, actp, TRUE);
|
|
|
|
lock_value = InterlockedDecrement (& resp -> data);
|
|
UNIV_ASSERT_VAL (lock_value == 0 || lock_value == 1, lock_value);
|
|
|
|
if (lock_value == 0)
|
|
Main_packet_put (ctxtp, packet, FALSE, NDIS_STATUS_SUCCESS);
|
|
|
|
#if 0 /* old code */
|
|
|
|
oldp = Main_packet_put (ctxtp, packet, FALSE, status);
|
|
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
return;
|
|
}
|
|
|
|
actp -> status = status;
|
|
|
|
actp -> op . transfer . packet = oldp;
|
|
actp -> op . transfer . xferred = xferred;
|
|
|
|
Nic_sync_queue (ctxtp, Nic_transfer_complete, actp, TRUE);
|
|
|
|
#endif
|
|
|
|
} /* end Prot_transfer_complete */
|
|
|
|
|
|
NDIS_STATUS Prot_PNP_handle (
|
|
NDIS_HANDLE adapter_handle,
|
|
PNET_PNP_EVENT pnp_event)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
PNDIS_DEVICE_POWER_STATE device_state;
|
|
NDIS_STATUS status = NDIS_STATUS_SUCCESS;
|
|
IOCTL_CVY_BUF ioctl_buf;
|
|
PMAIN_ACTION actp;
|
|
|
|
|
|
/* can happen when first initializing */
|
|
|
|
switch (pnp_event -> NetEvent)
|
|
{
|
|
case NetEventSetPower:
|
|
|
|
if (adapter_handle == NULL)
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
device_state = (PNDIS_DEVICE_POWER_STATE) (pnp_event -> Buffer);
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventSetPower %x", * device_state));
|
|
|
|
// If the specified device state is D0, then handle it first,
|
|
// else notify the protocols first and then handle it.
|
|
|
|
if (*device_state != NdisDeviceStateD0)
|
|
{
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
}
|
|
|
|
//
|
|
// Is the protocol transitioning from an On (D0) state to an Low Power State (>D0)
|
|
// If so, then set the standby_state Flag - (Block all incoming requests)
|
|
//
|
|
if (ctxtp->prot_pnp_state == NdisDeviceStateD0 &&
|
|
*device_state > NdisDeviceStateD0)
|
|
{
|
|
ctxtp->standby_state = TRUE;
|
|
}
|
|
|
|
//
|
|
// If the protocol is transitioning from a low power state to ON (D0), then clear the standby_state flag
|
|
// All incoming requests will be pended until the physical miniport turns ON.
|
|
//
|
|
if (ctxtp->prot_pnp_state > NdisDeviceStateD0 &&
|
|
*device_state == NdisDeviceStateD0)
|
|
{
|
|
ctxtp->standby_state = FALSE;
|
|
}
|
|
|
|
ctxtp -> prot_pnp_state = *device_state;
|
|
|
|
/* if we are being sent to standby, block outstanding requests and
|
|
sends */
|
|
|
|
if (*device_state > NdisDeviceStateD0)
|
|
{
|
|
/* sleep till outstanding sends complete */
|
|
|
|
while (1)
|
|
{
|
|
ULONG i;
|
|
|
|
|
|
/* #ps# -- ramkrish */
|
|
while (1)
|
|
{
|
|
NDIS_STATUS status;
|
|
ULONG count;
|
|
|
|
status = NdisQueryPendingIOCount (ctxtp -> mac_handle, & count);
|
|
if (status != NDIS_STATUS_SUCCESS || count == 0)
|
|
break;
|
|
|
|
Nic_sleep (10);
|
|
}
|
|
|
|
for (i = 0; i < ctxtp->num_send_packet_allocs; i++)
|
|
{
|
|
if (NdisPacketPoolUsage(ctxtp->send_pool_handle[i]) != 0)
|
|
break;
|
|
}
|
|
|
|
if (i >= ctxtp->num_send_packet_allocs)
|
|
break;
|
|
|
|
Nic_sleep(10);
|
|
}
|
|
|
|
/* sleep till outstanding requests complete */
|
|
|
|
while (ctxtp->requests_pending)
|
|
{
|
|
Nic_sleep(10);
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
if (ctxtp->out_request != NULL)
|
|
{
|
|
NDIS_STATUS status;
|
|
|
|
|
|
actp = ctxtp->out_request;
|
|
ctxtp->out_request = NULL;
|
|
|
|
status = Prot_request(ctxtp, actp, actp->op.request.external);
|
|
|
|
if (status != NDIS_STATUS_PENDING)
|
|
Prot_request_complete(ctxtp, & actp->op.request.req, status);
|
|
|
|
|
|
}
|
|
}
|
|
|
|
if (*device_state == NdisDeviceStateD0)
|
|
{
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
}
|
|
|
|
break;
|
|
|
|
case NetEventReconfigure:
|
|
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventReconfigure"));
|
|
|
|
if (adapter_handle == NULL) // This happens if the device is being enabled through the device manager.
|
|
{
|
|
UNIV_PRINT (("Prot_PNP_handle: Enumerate protocol bindings"));
|
|
NdisReEnumerateProtocolBindings (univ_prot_handle);
|
|
return NDIS_STATUS_SUCCESS;
|
|
}
|
|
/* gets called when something changes in our setup from notify
|
|
object */
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
/* This IOCTL will actually ignore the VIP argument, but set it to a reasonable value anyway. */
|
|
Main_ctrl (ctxtp, IOCTL_CVY_RELOAD, & ioctl_buf, IOCTL_ALL_VIPS);
|
|
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventReconfigure done %d %x", ioctl_buf . ret_code, status));
|
|
break;
|
|
|
|
case NetEventQueryPower:
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventQueryPower"));
|
|
if (adapter_handle == NULL)
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
break;
|
|
|
|
case NetEventQueryRemoveDevice:
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventQueryRemoveDevice"));
|
|
if (adapter_handle == NULL)
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
break;
|
|
|
|
case NetEventCancelRemoveDevice:
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventCancelRemoveDevice"));
|
|
if (adapter_handle == NULL)
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
break;
|
|
|
|
case NetEventBindList:
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventBindList"));
|
|
if (adapter_handle == NULL)
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
break;
|
|
|
|
case NetEventBindsComplete:
|
|
UNIV_PRINT (("Nic_PNP_handle: NetEventBindComplete"));
|
|
if (adapter_handle == NULL)
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
break;
|
|
|
|
default:
|
|
UNIV_PRINT (("Nic_PNP_handle: new event"));
|
|
if (adapter_handle == NULL)
|
|
return NDIS_STATUS_SUCCESS;
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
status = Nic_PNP_handle (ctxtp, pnp_event);
|
|
break;
|
|
}
|
|
|
|
return status; /* Always return NDIS_STATUS_SUCCESS or
|
|
the return value of NdisIMNotifyPnPEvent */
|
|
|
|
} /* end Nic_PNP_handle */
|
|
|
|
|
|
VOID Prot_status (
|
|
NDIS_HANDLE adapter_handle,
|
|
NDIS_STATUS status,
|
|
PVOID stat_buf,
|
|
UINT stat_len)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
// PMAIN_ACTION actp;
|
|
KIRQL irql;
|
|
PMAIN_ADAPTER adapterp;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
UNIV_PRINT(("Prot_status called for adapter %d for notification %d: inited=%d, announced=%d", ctxtp -> adapter_id, status, adapterp->inited, adapterp->announced));
|
|
|
|
if (! adapterp -> inited || ! adapterp -> announced)
|
|
return;
|
|
|
|
UNIV_PRINT (("STATUS %x", status));
|
|
|
|
switch (status)
|
|
{
|
|
case NDIS_STATUS_WAN_LINE_UP:
|
|
UNIV_PRINT (("NDIS_STATUS_WAN_LINE_UP"));
|
|
break;
|
|
|
|
case NDIS_STATUS_WAN_LINE_DOWN:
|
|
UNIV_PRINT (("NDIS_STATUS_WAN_LINE_DOWN"));
|
|
break;
|
|
|
|
case NDIS_STATUS_MEDIA_CONNECT:
|
|
UNIV_PRINT (("NDIS_STATUS_MEDIA_CONNECT"));
|
|
|
|
/* V1.3.2b */
|
|
ctxtp -> media_connected = TRUE;
|
|
break;
|
|
|
|
case NDIS_STATUS_MEDIA_DISCONNECT:
|
|
UNIV_PRINT (("NDIS_STATUS_MEDIA_DISCONNECT"));
|
|
|
|
/* V1.3.2b */
|
|
ctxtp -> media_connected = FALSE;
|
|
break;
|
|
|
|
case NDIS_STATUS_HARDWARE_LINE_UP:
|
|
UNIV_PRINT (("NDIS_STATUS_HARDWARE_LINE_UP"));
|
|
break;
|
|
|
|
case NDIS_STATUS_HARDWARE_LINE_DOWN:
|
|
UNIV_PRINT (("NDIS_STATUS_HARDWARE_LINE_DOWN"));
|
|
break;
|
|
|
|
case NDIS_STATUS_INTERFACE_UP:
|
|
UNIV_PRINT (("NDIS_STATUS_INTERFACE_UP"));
|
|
break;
|
|
|
|
case NDIS_STATUS_INTERFACE_DOWN:
|
|
UNIV_PRINT (("NDIS_STATUS_INTERFACE_DOWN"));
|
|
break;
|
|
|
|
/* V1.1.2 */
|
|
|
|
case NDIS_STATUS_RESET_START:
|
|
UNIV_PRINT (("NDIS_STATUS_RESET_START"));
|
|
ctxtp -> reset_state = MAIN_RESET_START;
|
|
ctxtp -> recv_indicated = FALSE;
|
|
break;
|
|
|
|
case NDIS_STATUS_RESET_END:
|
|
UNIV_PRINT (("NDIS_STATUS_RESET_END"));
|
|
// apparently alteon adapter does not call status complete function,
|
|
// so need to transition to none state here in order to prevent hangs
|
|
//ctxtp -> reset_state = MAIN_RESET_END;
|
|
ctxtp -> reset_state = MAIN_RESET_NONE;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (! MAIN_PNP_DEV_ON(ctxtp))
|
|
return;
|
|
/* ######
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
return;
|
|
}
|
|
|
|
actp -> status = status;
|
|
|
|
actp -> op . status . buf = stat_buf;
|
|
actp -> op . status . len = stat_len;
|
|
*/
|
|
Nic_status (ctxtp, status, stat_buf, stat_len);
|
|
// Nic_sync_queue (ctxtp, Nic_status, actp, TRUE);
|
|
|
|
} /* end Prot_status */
|
|
|
|
|
|
VOID Prot_status_complete (
|
|
NDIS_HANDLE adapter_handle)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
// PMAIN_ACTION actp;
|
|
PMAIN_ADAPTER adapterp;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
if (! adapterp -> inited)
|
|
return;
|
|
|
|
/* V1.1.2 */
|
|
|
|
if (ctxtp -> reset_state == MAIN_RESET_END)
|
|
{
|
|
ctxtp -> reset_state = MAIN_RESET_NONE;
|
|
UNIV_PRINT (("NDIS_STATUS_RESET_END completed"));
|
|
}
|
|
else if (ctxtp -> reset_state == MAIN_RESET_START)
|
|
{
|
|
ctxtp -> reset_state = MAIN_RESET_START_DONE;
|
|
UNIV_PRINT (("NDIS_STATUS_RESET_START completed"));
|
|
}
|
|
|
|
if (! MAIN_PNP_DEV_ON(ctxtp))
|
|
return;
|
|
/* ######
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
return;
|
|
}
|
|
*/
|
|
Nic_status_complete (ctxtp);
|
|
// Nic_sync_queue (ctxtp, Nic_status_complete, actp, TRUE);
|
|
|
|
} /* end Prot_status_complete */
|
|
|
|
|
|
/* helpers for nic layer */
|
|
|
|
|
|
NDIS_STATUS Prot_close ( /* PASSIVE_IRQL */
|
|
PMAIN_ADAPTER adapterp
|
|
)
|
|
{
|
|
NDIS_STATUS status;
|
|
ULONG ret;
|
|
PMAIN_CTXT ctxtp;
|
|
|
|
|
|
UNIV_PRINT (("Prot_close: called"));
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
// UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
ctxtp = adapterp -> ctxtp;
|
|
|
|
/* close binding */
|
|
|
|
NdisAcquireSpinLock(& univ_bind_lock);
|
|
|
|
if ( ! adapterp -> bound || ctxtp->mac_handle == NULL)
|
|
{
|
|
/* cleanup only on the second time we are entering Prot_close, which
|
|
is called by both Nic_halt and Prot_unbind. the last one to be
|
|
called will cleanup the context since they both use it. if both
|
|
do not get called, then it will be cleaned up by Prot_bind before
|
|
allocating a new one of Init_unload before unloading the driver. */
|
|
|
|
if (adapterp -> inited)
|
|
{
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp -> inited = FALSE;
|
|
|
|
NdisReleaseSpinLock(& univ_bind_lock);
|
|
|
|
Main_cleanup (ctxtp);
|
|
NdisFreeMemory (ctxtp, sizeof (MAIN_CTXT), 0);
|
|
|
|
adapterp -> ctxtp = NULL;
|
|
|
|
if (adapterp -> device_name_len)
|
|
{
|
|
NdisFreeMemory (adapterp -> device_name, adapterp -> device_name_len, 0);
|
|
adapterp -> device_name = NULL;
|
|
adapterp -> device_name_len = 0;
|
|
}
|
|
|
|
}
|
|
else
|
|
NdisReleaseSpinLock(& univ_bind_lock);
|
|
|
|
Main_adapter_put (adapterp);
|
|
return NDIS_STATUS_SUCCESS;
|
|
}
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp -> bound = FALSE;
|
|
ctxtp -> convoy_enabled = FALSE;
|
|
|
|
NdisReleaseSpinLock(& univ_bind_lock);
|
|
|
|
LOG_MSG (MSG_INFO_STOPPED, MSG_NONE);
|
|
|
|
NdisResetEvent (& ctxtp -> completion_event);
|
|
|
|
NdisCloseAdapter (& status, ctxtp -> mac_handle);
|
|
|
|
/* if pending - wait for Prot_close_complete to set the completion event */
|
|
|
|
if (status == NDIS_STATUS_PENDING)
|
|
{
|
|
ret = NdisWaitEvent (& ctxtp -> completion_event, UNIV_WAIT_TIME);
|
|
|
|
if (! ret)
|
|
{
|
|
UNIV_PRINT (("error waiting for event"));
|
|
LOG_MSG1 (MSG_ERROR_INTERNAL, MSG_NONE, status);
|
|
return NDIS_STATUS_FAILURE;
|
|
}
|
|
|
|
status = ctxtp -> completion_status;
|
|
}
|
|
|
|
/* At this point,wait for all pending recvs to be completed and then return */
|
|
|
|
ctxtp -> mac_handle = NULL;
|
|
ctxtp -> prot_handle = NULL;
|
|
|
|
/* check binding status */
|
|
|
|
if (status != NDIS_STATUS_SUCCESS)
|
|
{
|
|
UNIV_PRINT (("error closing adapter %x", status));
|
|
LOG_MSG1 (MSG_ERROR_INTERNAL, MSG_NONE, status);
|
|
}
|
|
|
|
/* if nic level is not announced anymore - safe to remove context now */
|
|
|
|
NdisAcquireSpinLock(& univ_bind_lock);
|
|
|
|
if (! adapterp -> announced || ctxtp -> prot_handle == NULL)
|
|
{
|
|
if (adapterp -> inited)
|
|
{
|
|
adapterp -> inited = FALSE;
|
|
NdisReleaseSpinLock(& univ_bind_lock);
|
|
|
|
Main_cleanup (ctxtp);
|
|
NdisFreeMemory (ctxtp, sizeof (MAIN_CTXT), 0);
|
|
|
|
adapterp -> ctxtp = NULL;
|
|
|
|
if (adapterp -> device_name_len)
|
|
{
|
|
NdisFreeMemory (adapterp -> device_name, adapterp -> device_name_len, 0);
|
|
adapterp -> device_name = NULL;
|
|
adapterp -> device_name_len = 0;
|
|
}
|
|
}
|
|
else
|
|
NdisReleaseSpinLock(& univ_bind_lock);
|
|
|
|
Main_adapter_put (adapterp);
|
|
}
|
|
else
|
|
NdisReleaseSpinLock(& univ_bind_lock);
|
|
|
|
UNIV_PRINT (("Prot_close: exiting"));
|
|
|
|
return status;
|
|
|
|
} /* end Prot_close */
|
|
|
|
|
|
NDIS_STATUS Prot_request (
|
|
PMAIN_CTXT ctxtp,
|
|
PMAIN_ACTION actp,
|
|
ULONG external)
|
|
{
|
|
NDIS_STATUS status;
|
|
PNDIS_REQUEST request = & actp -> op . request . req;
|
|
ULONG ret;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
/* V1.1.2 do not accept requests if the card below is resetting */
|
|
|
|
actp -> op . request . external = external;
|
|
|
|
if (ctxtp -> unbind_handle) // Prot_unbind was called
|
|
return NDIS_STATUS_FAILURE;
|
|
|
|
// if the Protocol device state is OFF, then the IM driver cannot send the
|
|
// request below and must pend it
|
|
|
|
if (ctxtp->prot_pnp_state > NdisDeviceStateD0)
|
|
{
|
|
UNIV_ASSERT (ctxtp->out_request == NULL);
|
|
ctxtp->out_request = actp;
|
|
return NDIS_STATUS_PENDING;
|
|
}
|
|
|
|
NdisResetEvent (& ctxtp -> completion_event);
|
|
|
|
ctxtp->requests_pending = TRUE;
|
|
NdisRequest (& status, ctxtp -> mac_handle, request);
|
|
|
|
/* if pending - wait for Prot_request_complete to set the completion event */
|
|
|
|
if (status != NDIS_STATUS_PENDING)
|
|
{
|
|
ctxtp->requests_pending = FALSE;
|
|
}
|
|
else if (! external)
|
|
{
|
|
ret = NdisWaitEvent (& ctxtp -> completion_event, UNIV_WAIT_TIME);
|
|
|
|
if (! ret)
|
|
{
|
|
UNIV_PRINT (("error waiting for event"));
|
|
LOG_MSG1 (MSG_ERROR_INTERNAL, MSG_NONE, status);
|
|
status = NDIS_STATUS_FAILURE;
|
|
return status;
|
|
}
|
|
|
|
status = ctxtp -> completion_status;
|
|
}
|
|
|
|
return status;
|
|
|
|
} /* end Prot_request */
|
|
|
|
|
|
NDIS_STATUS Prot_reset (
|
|
PMAIN_CTXT ctxtp)
|
|
{
|
|
NDIS_STATUS status;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
NdisReset (& status, ctxtp -> mac_handle);
|
|
|
|
return status;
|
|
|
|
} /* end Prot_reset */
|
|
|
|
|
|
VOID Prot_packets_send (
|
|
PMAIN_CTXT ctxtp,
|
|
PPNDIS_PACKET packets,
|
|
UINT num_packets)
|
|
{
|
|
PNDIS_PACKET array [CVY_MAX_SEND_PACKETS];
|
|
PNDIS_PACKET filtered_array [CVY_MAX_SEND_PACKETS];
|
|
UINT count = 0, filtered_count = 0, i;
|
|
NDIS_STATUS status;
|
|
PNDIS_PACKET newp;
|
|
LONG lock_value;
|
|
PMAIN_ACTION actp;
|
|
ULONG exhausted;
|
|
PNDIS_PACKET_STACK pktstk;
|
|
BOOLEAN stack_left;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
/* V1.1.2 do not accept frames if the card below is resetting */
|
|
|
|
if (ctxtp -> reset_state != MAIN_RESET_NONE ||
|
|
! MAIN_PNP_DEV_ON(ctxtp))
|
|
{
|
|
ctxtp -> cntr_xmit_err ++;
|
|
status = NDIS_STATUS_FAILURE;
|
|
goto fail;
|
|
}
|
|
|
|
/* ###### modified for a deserialized driver - ramkrish */
|
|
for (count = i = 0;
|
|
count < (num_packets > CVY_MAX_SEND_PACKETS ?
|
|
CVY_MAX_SEND_PACKETS : num_packets);
|
|
count ++)
|
|
{
|
|
newp = Main_send (ctxtp, packets [count], & exhausted);
|
|
|
|
if (newp == NULL)
|
|
{
|
|
/* if we ran out of packets - get out of the loop */
|
|
|
|
if (exhausted)
|
|
{
|
|
UNIV_PRINT (("error xlating packet"));
|
|
ctxtp -> packets_exhausted = TRUE;
|
|
break;
|
|
}
|
|
|
|
/* if packet was filtered out - set status to success to calm
|
|
TCP/IP down and go on to the next one */
|
|
|
|
else
|
|
{
|
|
/* ###### filtered_... added for NT 5.1 deserialization - ramkrish */
|
|
// ctxtp -> sends_filtered ++;
|
|
filtered_array [filtered_count] = packets [count];
|
|
filtered_count++;
|
|
NDIS_SET_PACKET_STATUS (packets [count], NDIS_STATUS_SUCCESS);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// resp = MAIN_PROTOCOL_FIELD (newp); /* #ps# */
|
|
|
|
#if 0 /* do not need this since corresponding code was commented out in Prot_send_complete */
|
|
|
|
/* initalize value to 1 to force Prot_send_complete to deal with the
|
|
packet */
|
|
|
|
resp -> data = 1;
|
|
#endif
|
|
|
|
/* mark packet as pending send */
|
|
|
|
NDIS_SET_PACKET_STATUS (packets [count], NDIS_STATUS_PENDING);
|
|
array [i] = newp;
|
|
i ++;
|
|
}
|
|
|
|
if (i > 0)
|
|
NdisSendPackets (ctxtp -> mac_handle, array, i);
|
|
|
|
/* ###### added for indicating the filtered packets in deserialization - ramkrish */
|
|
for (i = 0; i < filtered_count; i++)
|
|
Nic_send_complete (ctxtp, NDIS_STATUS_SUCCESS, filtered_array [i]);
|
|
|
|
fail:
|
|
/* ###### the remaining packets cannot be handled, no space in the pending queue too */
|
|
for (i = count; i < num_packets; i++)
|
|
{
|
|
NDIS_SET_PACKET_STATUS (packets [i], NDIS_STATUS_FAILURE);
|
|
Nic_send_complete (ctxtp, NDIS_STATUS_FAILURE, packets [i]);
|
|
}
|
|
|
|
#if 0 /* old code used in serialized driver - ramkrish */
|
|
status = NDIS_STATUS_RESOURCES;
|
|
|
|
/* the following code has to be removed and the other packets have to be put in a queue */
|
|
fail:
|
|
|
|
/* fill status field on all un-handled packets */
|
|
|
|
for (i = count; i < num_packets; i ++)
|
|
NDIS_SET_PACKET_STATUS (packets [i], status);
|
|
|
|
#endif
|
|
} /* end Prot_packets_send */
|
|
|
|
|
|
INT Prot_packet_recv (
|
|
NDIS_HANDLE adapter_handle,
|
|
PNDIS_PACKET packet)
|
|
{
|
|
PMAIN_CTXT ctxtp = (PMAIN_CTXT) adapter_handle;
|
|
PNDIS_PACKET newp;
|
|
NDIS_STATUS status;
|
|
PMAIN_PROTOCOL_RESERVED resp;
|
|
LONG lock_value;
|
|
PNDIS_PACKET_STACK pktstk;
|
|
BOOLEAN stack_left;
|
|
PMAIN_ADAPTER adapterp;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
adapterp = & (univ_adapters [ctxtp -> adapter_id]);
|
|
UNIV_ASSERT (adapterp -> code == MAIN_ADAPTER_CODE);
|
|
UNIV_ASSERT (adapterp -> ctxtp == ctxtp);
|
|
|
|
// ###### ramkrish check: check whether the driver has been announced to tcpip before processing any packets
|
|
if (! adapterp -> inited || ! adapterp -> announced)
|
|
return 0;
|
|
|
|
/* V1.1.4 do not accept frames if the card below is resetting */
|
|
|
|
if (ctxtp -> reset_state != MAIN_RESET_NONE)
|
|
return 0;
|
|
|
|
/* figure out if we need to handle this packet */
|
|
|
|
newp = Main_recv (ctxtp, packet);
|
|
|
|
if (newp == NULL)
|
|
return 0;
|
|
|
|
// resp = MAIN_PROTOCOL_FIELD (newp);
|
|
|
|
MAIN_RESP_FIELD (newp, stack_left, pktstk, resp, FALSE); /* #ps# */
|
|
|
|
/* put control packets on control queue */
|
|
|
|
if (resp -> type == MAIN_PACKET_TYPE_CTRL)
|
|
{
|
|
PMAIN_ACTION actp;
|
|
|
|
|
|
actp = Main_action_get (ctxtp);
|
|
|
|
if (actp == NULL)
|
|
{
|
|
UNIV_PRINT (("error allocating action"));
|
|
Main_packet_put (ctxtp, newp, TRUE, NDIS_STATUS_FAILURE);
|
|
return 0;
|
|
}
|
|
|
|
actp -> op . ctrl . packet = newp;
|
|
|
|
NdisAcquireSpinLock (& ctxtp -> rct_lock);
|
|
InsertTailList (& ctxtp -> rct_list, & actp -> link);
|
|
NdisReleaseSpinLock (& ctxtp -> rct_lock);
|
|
|
|
/* packet has been copied into our buffers - can return 0 */
|
|
|
|
return 0;
|
|
}
|
|
|
|
UNIV_ASSERT_VAL (resp -> type == MAIN_PACKET_TYPE_PASS, resp -> type);
|
|
|
|
/* pass packet up. note signaling to figure out who will be disposing of
|
|
the packet */
|
|
resp -> data = 2;
|
|
|
|
/* ######
|
|
actp -> op . recv . packet = newp;
|
|
*/
|
|
Nic_recv_packet (ctxtp, newp);
|
|
// Nic_sync_queue (ctxtp, Nic_recv_packet, actp, TRUE);
|
|
|
|
lock_value = InterlockedDecrement (& resp -> data);
|
|
UNIV_ASSERT_VAL (lock_value == 0 || lock_value == 1, lock_value);
|
|
|
|
if (lock_value == 0)
|
|
{
|
|
Main_packet_put (ctxtp, newp, FALSE, NDIS_STATUS_SUCCESS);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
|
|
} /* end Prot_packet_recv */
|
|
|
|
|
|
VOID Prot_return (
|
|
PMAIN_CTXT ctxtp,
|
|
PNDIS_PACKET packet)
|
|
{
|
|
PNDIS_PACKET oldp;
|
|
PMAIN_PROTOCOL_RESERVED resp;
|
|
LONG lock_value;
|
|
ULONG type;
|
|
PNDIS_PACKET_STACK pktstk;
|
|
BOOLEAN stack_left;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
// resp = MAIN_PROTOCOL_FIELD (packet);
|
|
|
|
MAIN_RESP_FIELD (packet, stack_left, pktstk, resp, FALSE); /* #ps# */
|
|
|
|
/* check to see if we need to be disposing of this packet */
|
|
|
|
lock_value = InterlockedDecrement (& resp -> data);
|
|
UNIV_ASSERT_VAL (lock_value == 0 || lock_value == 1, lock_value);
|
|
|
|
if (lock_value == 1)
|
|
return;
|
|
|
|
/* resp will become invalid after the call to Main_packet_put. save type
|
|
for assertion below */
|
|
|
|
type = resp -> type;
|
|
|
|
oldp = Main_packet_put (ctxtp, packet, FALSE, NDIS_STATUS_SUCCESS);
|
|
|
|
/* if oldp is NULL - this is our internal packet from recv_indicate path */
|
|
|
|
if (oldp != NULL)
|
|
{
|
|
UNIV_ASSERT_VAL (type == MAIN_PACKET_TYPE_PASS, type);
|
|
NdisReturnPackets (& oldp, 1);
|
|
}
|
|
|
|
} /* end Prot_return */
|
|
|
|
|
|
/* ###### Added from old code for NT 5.1 - ramkrish */
|
|
|
|
NDIS_STATUS Prot_transfer (
|
|
PMAIN_CTXT ctxtp,
|
|
NDIS_HANDLE recv_handle,
|
|
PNDIS_PACKET packet,
|
|
UINT offset,
|
|
UINT len,
|
|
PUINT xferred)
|
|
{
|
|
NDIS_STATUS status;
|
|
PNDIS_PACKET newp;
|
|
PMAIN_PROTOCOL_RESERVED resp;
|
|
PNDIS_PACKET_STACK pktstk;
|
|
BOOLEAN stack_left;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
/* V1.1.2 do not accept frames if the card below is resetting */
|
|
|
|
if (ctxtp -> reset_state != MAIN_RESET_NONE)
|
|
return NDIS_STATUS_FAILURE;
|
|
|
|
/* we are trying to prevent transfer requests from stale receive indicates
|
|
that have been made to the protocol layer prior to the reset operation.
|
|
we do not know what is the old inbound frame state and cannot expect
|
|
to be able to carry out any transfers. */
|
|
|
|
if (! ctxtp -> recv_indicated)
|
|
{
|
|
UNIV_PRINT (("*** ERROR - STALE RECV AFTER RESET ***"));
|
|
return NDIS_STATUS_FAILURE;
|
|
}
|
|
|
|
newp = Main_packet_get (ctxtp, packet, FALSE, 0, 0);
|
|
|
|
if (newp == NULL)
|
|
{
|
|
UNIV_PRINT (("error xlating packet"));
|
|
return NDIS_STATUS_RESOURCES;
|
|
}
|
|
|
|
/* ###### for NT 5.1 - ramkrish */
|
|
// resp = MAIN_PROTOCOL_FIELD (newp); /* #ps# */
|
|
|
|
MAIN_RESP_FIELD (newp, stack_left, pktstk, resp, FALSE);
|
|
|
|
resp -> type = MAIN_PACKET_TYPE_TRANSFER;
|
|
|
|
NdisTransferData (& status, ctxtp -> mac_handle, recv_handle, offset, len,
|
|
newp, xferred); /* V1.1.2 */
|
|
|
|
if (status != NDIS_STATUS_PENDING)
|
|
{
|
|
if (status == NDIS_STATUS_SUCCESS)
|
|
{
|
|
PUCHAR hdrp, mac_hdrp, tcp_hdrp;
|
|
ULONG len;
|
|
USHORT sig, group;
|
|
|
|
/* Parse the buffers and obtain the length and group information.
|
|
* This is used to update the counters.
|
|
*/
|
|
hdrp = Main_frame_parse (ctxtp, newp, & mac_hdrp, 0, & tcp_hdrp, & len,
|
|
& sig, & group, FALSE);
|
|
if (hdrp)
|
|
{
|
|
resp -> len = len;
|
|
resp -> group = group;
|
|
}
|
|
}
|
|
Main_packet_put (ctxtp, newp, FALSE, status);
|
|
}
|
|
|
|
return status;
|
|
|
|
} /* end Prot_transfer */
|
|
|
|
|
|
VOID Prot_cancel_send_packets (
|
|
PMAIN_CTXT ctxtp,
|
|
PVOID cancel_id)
|
|
{
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
|
|
NdisCancelSendPackets (ctxtp -> mac_handle, cancel_id);
|
|
|
|
return;
|
|
} /* Prot_cancel_send_packets */
|
|
|
|
|
|
#if 0
|
|
|
|
/*
|
|
This code relies on using the len field in MAIN_PROTOCOL_RESERVED to hold
|
|
the status value passed from Main_send_complete. Uncommenting it in this
|
|
state will break! Note that setting and interlock decrementing of data
|
|
field is commented out in Prot_packets_send and Prot_send_complete.
|
|
*/
|
|
|
|
NDIS_STATUS Prot_send (
|
|
PMAIN_CTXT ctxtp,
|
|
PNDIS_PACKET packet,
|
|
UINT flags)
|
|
{
|
|
NDIS_STATUS status;
|
|
PNDIS_PACKET newp;
|
|
PMAIN_PROTOCOL_RESERVED resp;
|
|
LONG lock_value;
|
|
ULONG exhausted;
|
|
|
|
|
|
UNIV_ASSERT (ctxtp -> code == MAIN_CTXT_CODE);
|
|
|
|
/* V1.1.2 do not accept frames if the card below is resetting */
|
|
|
|
if (ctxtp -> reset_state != MAIN_RESET_NONE)
|
|
return NDIS_STATUS_FAILURE;
|
|
|
|
newp = Main_send (ctxtp, packet, & exhausted);
|
|
|
|
if (newp == NULL)
|
|
{
|
|
if (exhausted)
|
|
{
|
|
UNIV_PRINT (("error xlating packet"));
|
|
ctxtp -> packets_exhausted = TRUE;
|
|
return NDIS_STATUS_RESOURCES;
|
|
}
|
|
else
|
|
return NDIS_STATUS_SUCCESS;
|
|
}
|
|
|
|
NdisSetPacketFlags (newp, flags);
|
|
|
|
resp = MAIN_PROTOCOL_FIELD (newp);
|
|
|
|
/* initialize lock value to 2 so that can distinguish whether or not send
|
|
complete occurred during send to NDIS; see below */
|
|
|
|
resp -> data = 2;
|
|
|
|
NdisSend (& status, ctxtp -> mac_handle, newp);
|
|
|
|
/* atomically decrement and check lock value; Prot_send_complete also
|
|
does this */
|
|
|
|
lock_value = InterlockedDecrement (& resp -> data);
|
|
UNIV_ASSERT_VAL (lock_value == 0 || lock_value == 1, lock_value);
|
|
|
|
/* if lock value is 1 then Prot_send_complete has not completed and it will later
|
|
call Nic_send_complete and cleanup; otherwise, if lock value is 0,
|
|
Prot_send_complete has run and supplied us with a status to return
|
|
synchronously;
|
|
|
|
this handles an apparent bug in which send complete is signalled during the
|
|
send operation but the send returns a pending status anyway */
|
|
|
|
if (lock_value == 0)
|
|
status = resp -> len;
|
|
|
|
if (status != NDIS_STATUS_PENDING)
|
|
{
|
|
Main_packet_put (ctxtp, newp, TRUE, status);
|
|
|
|
if (ctxtp -> packets_exhausted)
|
|
{
|
|
ctxtp -> packets_exhausted = FALSE;
|
|
Nic_sync_queue (ctxtp, Nic_send_resources_signal, ctxtp, TRUE);
|
|
}
|
|
}
|
|
|
|
return status;
|
|
|
|
} /* end Prot_send */
|
|
|
|
#endif
|