diff options
Diffstat (limited to 'drivers/net/npe/IxEthDBFirewall.c')
| -rw-r--r-- | drivers/net/npe/IxEthDBFirewall.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/drivers/net/npe/IxEthDBFirewall.c b/drivers/net/npe/IxEthDBFirewall.c new file mode 100644 index 0000000..eb46174 --- /dev/null +++ b/drivers/net/npe/IxEthDBFirewall.c @@ -0,0 +1,266 @@ +/** + * @file IxEthDBFirewall.c + * + * @brief Implementation of the firewall 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" + +/** + * @brief updates the NPE firewall operating mode and + * firewall address table + * + * @param portID ID of the port + * @param epDelta initial entry point for binary searches (NPE optimization) + * @param address address of the firewall MAC address table + * + * This function will send a message to the NPE configuring the + * firewall mode (white list or black list), invalid source + * address filtering and downloading a new MAC address database + * to be used for firewall matching. + * + * @return IX_ETH_DB_SUCCESS if the operation completed + * successfully or IX_ETH_DB_FAIL otherwise + * + * @internal + */ +IX_ETH_DB_PUBLIC +IxEthDBStatus ixEthDBFirewallUpdate(IxEthDBPortId portID, void *address, UINT32 epDelta) +{ + IxNpeMhMessage message; + IX_STATUS result; + + UINT32 mode = 0; + PortInfo *portInfo = &ixEthDBPortInfo[portID]; + + mode = (portInfo->srcAddressFilterEnabled != FALSE) << 1 | (portInfo->firewallMode == IX_ETH_DB_FIREWALL_WHITE_LIST); + + FILL_SETFIREWALLMODE_MSG(message, + IX_ETH_DB_PORT_ID_TO_NPE_LOGICAL_ID(portID), + epDelta, + mode, + IX_OSAL_MMU_VIRT_TO_PHYS(address)); + + IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result); + + return result; +} + +/** + * @brief configures the firewall white list/black list + * access mode + * + * @param portID ID of the port + * @param mode firewall filtering mode (IX_ETH_DB_FIREWALL_WHITE_LIST + * or IX_ETH_DB_FIREWALL_BLACK_LIST) + * + * 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 ixEthDBFirewallModeSet(IxEthDBPortId portID, IxEthDBFirewallMode mode) +{ + IX_ETH_DB_CHECK_PORT(portID); + + IX_ETH_DB_CHECK_SINGLE_NPE(portID); + + IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FIREWALL); + + if (mode != IX_ETH_DB_FIREWALL_WHITE_LIST + && mode != IX_ETH_DB_FIREWALL_BLACK_LIST) + { + return IX_ETH_DB_INVALID_ARG; + } + + ixEthDBPortInfo[portID].firewallMode = mode; + + return ixEthDBFirewallTableDownload(portID); +} + +/** + * @brief enables or disables the invalid source MAC address filter + * + * @param portID ID of the port + * @param enable TRUE to enable invalid source MAC address filtering + * or FALSE to disable it + * + * The invalid source MAC address filter will discard, when enabled, + * frames whose source MAC address is a multicast or the broadcast MAC + * address. + * + * 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 ixEthDBFirewallInvalidAddressFilterEnable(IxEthDBPortId portID, BOOL enable) +{ + IX_ETH_DB_CHECK_PORT(portID); + + IX_ETH_DB_CHECK_SINGLE_NPE(portID); + + IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FIREWALL); + + ixEthDBPortInfo[portID].srcAddressFilterEnabled = enable; + + return ixEthDBFirewallTableDownload(portID); +} + +/** + * @brief adds a firewall record + * + * @param portID ID of the port + * @param macAddr MAC address of the new record + * + * This function will add a new firewall record + * on the specified port, using the specified + * MAC address. If the record already exists this + * function will silently return IX_ETH_DB_SUCCESS, + * although no duplicate records are added. + * + * 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 ixEthDBFirewallEntryAdd(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_FIREWALL); + + memcpy(recordTemplate.macAddress, macAddr, sizeof (IxEthDBMacAddr)); + + recordTemplate.type = IX_ETH_DB_FIREWALL_RECORD; + recordTemplate.portID = portID; + + return ixEthDBAdd(&recordTemplate, NULL); +} + +/** + * @brief removes a firewall record + * + * @param portID ID of the port + * @param macAddr MAC address of the record to remove + * + * This function will attempt to remove a firewall + * record from the given port, using the specified + * MAC address. + * + * Note that this function is documented in the main + * component header file, IxEthDB.h. + * + * @return IX_ETH_DB_SUCCESS if the operation completed + * successfully of an appropriate error message otherwise + */ +IX_ETH_DB_PUBLIC +IxEthDBStatus ixEthDBFirewallEntryRemove(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_FIREWALL); + + memcpy(recordTemplate.macAddress, macAddr, sizeof (IxEthDBMacAddr)); + + recordTemplate.type = IX_ETH_DB_FIREWALL_RECORD; + recordTemplate.portID = portID; + + return ixEthDBRemove(&recordTemplate, NULL); +} + +/** + * @brief downloads the firewall address table to an NPE + * + * @param portID ID of the port + * + * This function will download the firewall address table to + * an NPE port. + * + * 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 IX_ETH_DB_FAIL otherwise + */ +IX_ETH_DB_PUBLIC +IxEthDBStatus ixEthDBFirewallTableDownload(IxEthDBPortId portID) +{ + IxEthDBPortMap query; + IxEthDBStatus result; + + IX_ETH_DB_CHECK_PORT(portID); + + IX_ETH_DB_CHECK_SINGLE_NPE(portID); + + IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FIREWALL); + + SET_DEPENDENCY_MAP(query, portID); + + ixEthDBUpdateLock(); + + ixEthDBPortInfo[portID].updateMethod.searchTree = ixEthDBQuery(NULL, query, IX_ETH_DB_FIREWALL_RECORD, MAX_FW_SIZE); + + result = ixEthDBNPEUpdateHandler(portID, IX_ETH_DB_FIREWALL_RECORD); + + ixEthDBUpdateUnlock(); + + return result; +} |