+++ /dev/null
-/**
- * @file IxEthDBAPI.c
- *
- * @brief Implementation of the public API
- *
- * @par
- * IXP400 SW Release version 2.0
- *
- * -- Copyright Notice --
- *
- * @par
- * Copyright 2001-2005, Intel Corporation.
- * All rights reserved.
- *
- * @par
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the Intel Corporation nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * @par
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @par
- * -- End of Copyright Notice --
- */
-
-#include "IxEthDB_p.h"
-
-/* forward prototypes */
-IX_ETH_DB_PUBLIC
-MacTreeNode *ixEthDBGatewaySelect(MacTreeNode *stations);
-
-/**
- * @brief sets the BBSID value for the WiFi header conversion feature
- *
- * @param portID ID of the port
- * @param bbsid pointer to the 6-byte BBSID value
- *
- * Note that this function is documented in the main component
- * header file, IxEthDB.h.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed successfully
- * or an appropriate error message otherwise
- */
-IX_ETH_DB_PUBLIC
-IxEthDBStatus ixEthDBWiFiBBSIDSet(IxEthDBPortId portID, IxEthDBMacAddr *bbsid)
-{
- IxNpeMhMessage message;
- IX_STATUS result;
-
- IX_ETH_DB_CHECK_PORT(portID);
-
- IX_ETH_DB_CHECK_SINGLE_NPE(portID);
-
- IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
-
- IX_ETH_DB_CHECK_REFERENCE(bbsid);
-
- memcpy(ixEthDBPortInfo[portID].bbsid, bbsid, sizeof (IxEthDBMacAddr));
-
- FILL_SETBBSID_MSG(message, portID, bbsid);
-
- IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
-
- return result;
-}
-
-/**
- * @brief updates the Frame Control and Duration/ID WiFi header
- * conversion parameters in an NPE
- *
- * @param portID ID of the port
- *
- * This function will send a message to the NPE updating the
- * frame conversion parameters for 802.3 => 802.11 header conversion.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed successfully
- * or IX_ETH_DB_FAIL otherwise
- *
- * @internal
- */
-IX_ETH_DB_PRIVATE
-IxEthDBStatus ixEthDBWiFiFrameControlDurationIDUpdate(IxEthDBPortId portID)
-{
- IxNpeMhMessage message;
- IX_STATUS result;
-
- FILL_SETFRAMECONTROLDURATIONID(message, portID, ixEthDBPortInfo[portID].frameControlDurationID);
-
- IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
-
- return result;
-}
-
-/**
- * @brief sets the Duration/ID WiFi frame header conversion parameter
- *
- * @param portID ID of the port
- * @param durationID 16-bit value containing the new Duration/ID parameter
- *
- * Note that this function is documented in the main component
- * header file, IxEthDB.h.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed successfully
- * or an appropriate error message otherwise
- */
-IX_ETH_DB_PUBLIC
-IxEthDBStatus ixEthDBWiFiDurationIDSet(IxEthDBPortId portID, UINT16 durationID)
-{
- IX_ETH_DB_CHECK_PORT(portID);
-
- IX_ETH_DB_CHECK_SINGLE_NPE(portID);
-
- IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
-
- ixEthDBPortInfo[portID].frameControlDurationID = (ixEthDBPortInfo[portID].frameControlDurationID & 0xFFFF0000) | durationID;
-
- return ixEthDBWiFiFrameControlDurationIDUpdate(portID);
-}
-
-/**
- * @brief sets the Frame Control WiFi frame header conversion parameter
- *
- * @param portID ID of the port
- * @param durationID 16-bit value containing the new Frame Control parameter
- *
- * Note that this function is documented in the main component
- * header file, IxEthDB.h.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed successfully
- * or an appropriate error message otherwise
- */
-IX_ETH_DB_PUBLIC
-IxEthDBStatus ixEthDBWiFiFrameControlSet(IxEthDBPortId portID, UINT16 frameControl)
-{
- IX_ETH_DB_CHECK_PORT(portID);
-
- IX_ETH_DB_CHECK_SINGLE_NPE(portID);
-
- IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
-
- ixEthDBPortInfo[portID].frameControlDurationID = (ixEthDBPortInfo[portID].frameControlDurationID & 0xFFFF) | (frameControl << 16);
-
- return ixEthDBWiFiFrameControlDurationIDUpdate(portID);
-}
-
-/**
- * @brief removes a WiFi header conversion record
- *
- * @param portID ID of the port
- * @param macAddr MAC address of the record to remove
- *
- * Note that this function is documented in the main
- * component header file, IxEthDB.h.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed
- * successfully or an appropriate error message otherwise
- */
-IX_ETH_DB_PUBLIC
-IxEthDBStatus ixEthDBWiFiEntryRemove(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
-{
- MacDescriptor recordTemplate;
-
- IX_ETH_DB_CHECK_PORT(portID);
-
- IX_ETH_DB_CHECK_SINGLE_NPE(portID);
-
- IX_ETH_DB_CHECK_REFERENCE(macAddr);
-
- IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
-
- memcpy(recordTemplate.macAddress, macAddr, sizeof (IxEthDBMacAddr));
-
- recordTemplate.type = IX_ETH_DB_WIFI_RECORD;
- recordTemplate.portID = portID;
-
- return ixEthDBRemove(&recordTemplate, NULL);
-}
-
-/**
- * @brief adds a WiFi header conversion record
- *
- * @param portID ID of the port
- * @param macAddr MAC address of the record to add
- * @param gatewayMacAddr address of the gateway (or
- * NULL if this is a station record)
- *
- * This function adds a record of type AP_TO_AP (gateway is not NULL)
- * or AP_TO_STA (gateway is NULL) in the main database as a
- * WiFi header conversion record.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed
- * successfully or an appropriate error message otherwise
- *
- * @internal
- */
-IX_ETH_DB_PRIVATE
-IxEthDBStatus ixEthDBWiFiEntryAdd(IxEthDBPortId portID, IxEthDBMacAddr *macAddr, IxEthDBMacAddr *gatewayMacAddr)
-{
- MacDescriptor recordTemplate;
-
- IX_ETH_DB_CHECK_PORT(portID);
-
- IX_ETH_DB_CHECK_SINGLE_NPE(portID);
-
- IX_ETH_DB_CHECK_REFERENCE(macAddr);
-
- IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
-
- memcpy(recordTemplate.macAddress, macAddr, sizeof (IxEthDBMacAddr));
-
- recordTemplate.type = IX_ETH_DB_WIFI_RECORD;
- recordTemplate.portID = portID;
-
- if (gatewayMacAddr != NULL)
- {
- memcpy(recordTemplate.recordData.wifiData.gwMacAddress, gatewayMacAddr, sizeof (IxEthDBMacAddr));
-
- recordTemplate.recordData.wifiData.type = IX_ETH_DB_WIFI_AP_TO_AP;
- }
- else
- {
- memset(recordTemplate.recordData.wifiData.gwMacAddress, 0, sizeof (IxEthDBMacAddr));
-
- recordTemplate.recordData.wifiData.type = IX_ETH_DB_WIFI_AP_TO_STA;
- }
-
- return ixEthDBAdd(&recordTemplate, NULL);
-}
-
-/**
- * @brief adds a WiFi header conversion record
- *
- * @param portID ID of the port
- * @param macAddr MAC address of the record to add
- * @param gatewayMacAddr address of the gateway
- *
- * This function adds a record of type AP_TO_AP
- * in the main database as a WiFi header conversion record.
- *
- * This is simply a wrapper over @ref ixEthDBWiFiEntryAdd().
- *
- * Note that this function is documented in the main
- * component header file, IxEthDB.h.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed
- * successfully or an appropriate error message otherwise
- */
-IX_ETH_DB_PUBLIC
-IxEthDBStatus ixEthDBWiFiAccessPointEntryAdd(IxEthDBPortId portID, IxEthDBMacAddr *macAddr, IxEthDBMacAddr *gatewayMacAddr)
-{
- IX_ETH_DB_CHECK_REFERENCE(gatewayMacAddr);
-
- return ixEthDBWiFiEntryAdd(portID, macAddr, gatewayMacAddr);
-}
-
-/**
- * @brief adds a WiFi header conversion record
- *
- * @param portID ID of the port
- * @param macAddr MAC address of the record to add
- *
- * This function adds a record of type AP_TO_STA
- * in the main database as a WiFi header conversion record.
- *
- * This is simply a wrapper over @ref ixEthDBWiFiEntryAdd().
- *
- * Note that this function is documented in the main
- * component header file, IxEthDB.h.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed
- * successfully or an appropriate error message otherwise
- */
-IX_ETH_DB_PUBLIC
-IxEthDBStatus ixEthDBWiFiStationEntryAdd(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
-{
- return ixEthDBWiFiEntryAdd(portID, macAddr, NULL);
-}
-
-/**
- * @brief selects a set of gateways from a tree of
- * WiFi header conversion records
- *
- * @param stations binary tree containing pointers to WiFi header
- * conversion records
- *
- * This function browses through the input binary tree, identifies
- * records of type AP_TO_AP, clones these records and appends them
- * to a vine (a single right-branch binary tree) which is returned
- * as result. A maximum of MAX_GW_SIZE entries containing gateways
- * will be cloned from the original tree.
- *
- * @return vine (linear binary tree) containing record
- * clones of AP_TO_AP type, which have a gateway field
- *
- * @internal
- */
-IX_ETH_DB_PUBLIC
-MacTreeNode *ixEthDBGatewaySelect(MacTreeNode *stations)
-{
- MacTreeNodeStack *stack;
- MacTreeNode *gateways, *insertionPlace;
- UINT32 gwIndex = 1; /* skip the empty root */
-
- if (stations == NULL)
- {
- return NULL;
- }
-
- stack = ixOsalCacheDmaMalloc(sizeof (MacTreeNodeStack));
-
- if (stack == NULL)
- {
- ERROR_LOG("DB: (WiFi) failed to allocate the node stack for gateway tree linearization, out of memory?\n");
- return NULL;
- }
-
- /* initialize root node */
- gateways = insertionPlace = NULL;
-
- /* start browsing the station tree */
- NODE_STACK_INIT(stack);
-
- /* initialize stack by pushing the tree root at offset 0 */
- NODE_STACK_PUSH(stack, stations, 0);
-
- while (NODE_STACK_NONEMPTY(stack))
- {
- MacTreeNode *node;
- UINT32 offset;
-
- NODE_STACK_POP(stack, node, offset);
-
- /* we can store maximum 31 (32 total, 1 empty root) entries in the gateway tree */
- if (offset > (MAX_GW_SIZE - 1)) break;
-
- /* check if this record has a gateway address */
- if (node->descriptor != NULL && node->descriptor->recordData.wifiData.type == IX_ETH_DB_WIFI_AP_TO_AP)
- {
- /* found a record, create an insertion place */
- if (insertionPlace != NULL)
- {
- insertionPlace->right = ixEthDBAllocMacTreeNode();
- insertionPlace = insertionPlace->right;
- }
- else
- {
- gateways = ixEthDBAllocMacTreeNode();
- insertionPlace = gateways;
- }
-
- if (insertionPlace == NULL)
- {
- /* no nodes left, bail out with what we have */
- ixOsalCacheDmaFree(stack);
- return gateways;
- }
-
- /* clone the original record for the gateway tree */
- insertionPlace->descriptor = ixEthDBCloneMacDescriptor(node->descriptor);
-
- /* insert and update the offset in the original record */
- node->descriptor->recordData.wifiData.gwAddressIndex = gwIndex++;
- }
-
- /* browse the tree */
- if (node->left != NULL)
- {
- NODE_STACK_PUSH(stack, node->left, LEFT_CHILD_OFFSET(offset));
- }
-
- if (node->right != NULL)
- {
- NODE_STACK_PUSH(stack, node->right, RIGHT_CHILD_OFFSET(offset));
- }
- }
-
- ixOsalCacheDmaFree(stack);
- return gateways;
-}
-
-/**
- * @brief downloads the WiFi header conversion table to an NPE
- *
- * @param portID ID of the port
- *
- * This function prepares the WiFi header conversion tables and
- * downloads them to the specified NPE port.
- *
- * The header conversion tables consist in the main table of
- * addresses and the secondary table of gateways. AP_TO_AP records
- * from the first table contain index fields into the second table
- * for gateway selection.
- *
- * Note that this function is documented in the main component
- * header file, IxEthDB.h.
- *
- * @return IX_ETH_DB_SUCCESS if the operation completed successfully
- * or an appropriate error message otherwise
- */
-IX_ETH_DB_PUBLIC
-IxEthDBStatus ixEthDBWiFiConversionTableDownload(IxEthDBPortId portID)
-{
- IxEthDBPortMap query;
- MacTreeNode *stations = NULL, *gateways = NULL, *gateway = NULL;
- IxNpeMhMessage message;
- PortInfo *portInfo;
- IX_STATUS result;
-
- IX_ETH_DB_CHECK_PORT(portID);
-
- IX_ETH_DB_CHECK_SINGLE_NPE(portID);
-
- IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
-
- portInfo = &ixEthDBPortInfo[portID];
-
- SET_DEPENDENCY_MAP(query, portID);
-
- ixEthDBUpdateLock();
-
- stations = ixEthDBQuery(NULL, query, IX_ETH_DB_WIFI_RECORD, MAX_ELT_SIZE);
- gateways = ixEthDBGatewaySelect(stations);
-
- /* clean up gw area */
- memset((void *) portInfo->updateMethod.npeGwUpdateZone, FULL_GW_BYTE_SIZE, 0);
-
- /* write all gateways */
- gateway = gateways;
-
- while (gateway != NULL)
- {
- ixEthDBNPEGatewayNodeWrite((void *) (((UINT32) portInfo->updateMethod.npeGwUpdateZone)
- + gateway->descriptor->recordData.wifiData.gwAddressIndex * ELT_ENTRY_SIZE),
- gateway);
-
- gateway = gateway->right;
- }
-
- /* free the gateway tree */
- if (gateways != NULL)
- {
- ixEthDBFreeMacTreeNode(gateways);
- }
-
- FILL_SETAPMACTABLE_MSG(message,
- IX_OSAL_MMU_VIRT_TO_PHYS(portInfo->updateMethod.npeGwUpdateZone));
-
- IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
-
- if (result == IX_SUCCESS)
- {
- /* update the main tree (the stations tree) */
- portInfo->updateMethod.searchTree = stations;
-
- result = ixEthDBNPEUpdateHandler(portID, IX_ETH_DB_WIFI_RECORD);
- }
-
- ixEthDBUpdateUnlock();
-
- return result;
-}
projects / karo-tx-uboot.git / blobdiff