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Diffstat (limited to 'cpu/ixp/npe/include/IxEthDBPortDefs.h')
-rw-r--r-- | cpu/ixp/npe/include/IxEthDBPortDefs.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/cpu/ixp/npe/include/IxEthDBPortDefs.h b/cpu/ixp/npe/include/IxEthDBPortDefs.h new file mode 100644 index 00000000000..c3acbdddef7 --- /dev/null +++ b/cpu/ixp/npe/include/IxEthDBPortDefs.h @@ -0,0 +1,163 @@ +/** + * @file IxEthDBPortDefs.h + * + * @brief Public definition of the ports and port capabilities + * + * @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 -- + */ + +/** + * @defgroup IxEthDBPortDefs IXP400 Ethernet Database Port Definitions (IxEthDBPortDefs) + * + * @brief IXP400 Public definition of the ports and port capabilities + * + * @{ + */ + +#ifndef IxEthDBPortDefs_H +#define IxEthDBPortDefs_H + +/** + * @brief Port types - currently only Ethernet NPEs are recognized as specific types + * All other (user-defined) ports must be specified as IX_ETH_GENERIC + */ +typedef enum +{ + IX_ETH_GENERIC = 0, /**< generic ethernet port */ + IX_ETH_NPE /**< specific Ethernet NPE */ +} IxEthDBPortType; + +/** + * @brief Port capabilities - used by ixEthAccDatabaseMaintenance to decide whether it + * should manually age entries or not depending on the port capabilities. + * + * Ethernet NPEs have aging capabilities, meaning that they will age the entries + * automatically (by themselves).*/ +typedef enum +{ + IX_ETH_NO_CAPABILITIES = 0, /**< no aging capabilities */ + IX_ETH_ENTRY_AGING = 0x1 /**< aging capabilities present */ +} IxEthDBPortCapability; + +/** + * @brief Port Definition - a structure contains the Port type and capabilities + */ +typedef struct +{ + IxEthDBPortType type; + IxEthDBPortCapability capabilities; +} IxEthDBPortDefinition; + +/** + * @brief Port definitions structure, indexed on the port ID + * @warning Ports 0 and 1 are used by the Ethernet access component therefore + * it is essential to be left untouched. Port 2 here (WAN) is given as + * an example port. The NPE firmware also assumes the NPE B to be + * the port 0 and NPE C to be the port 1. + * + * @note that only 32 ports (0..31) are supported by EthDB + */ +static const IxEthDBPortDefinition ixEthDBPortDefinitions[] = +{ + /* id type capabilities */ + { /* 0 */ IX_ETH_NPE, IX_ETH_NO_CAPABILITIES }, /* Ethernet NPE B */ + { /* 1 */ IX_ETH_NPE, IX_ETH_NO_CAPABILITIES }, /* Ethernet NPE C */ + { /* 2 */ IX_ETH_NPE, IX_ETH_NO_CAPABILITIES }, /* Ethernet NPE A */ + { /* 3 */ IX_ETH_GENERIC, IX_ETH_NO_CAPABILITIES }, /* WAN port */ +}; + +/** + * @def IX_ETH_DB_NUMBER_OF_PORTS + * @brief number of supported ports + */ +#define IX_ETH_DB_NUMBER_OF_PORTS (sizeof (ixEthDBPortDefinitions) / sizeof (ixEthDBPortDefinitions[0])) + +/** + * @def IX_ETH_DB_UNKNOWN_PORT + * @brief definition of an unknown port + */ +#define IX_ETH_DB_UNKNOWN_PORT (0xff) + +/** + * @def IX_ETH_DB_ALL_PORTS + * @brief Special port ID indicating all the ports + * @note This port ID can be used only by a subset of the EthDB API; each + * function specifically mentions whether this is a valid parameter as the port ID + */ +#define IX_ETH_DB_ALL_PORTS (IX_ETH_DB_NUMBER_OF_PORTS + 1) + +/** + * @def IX_ETH_DB_PORTS_ASSERTION + * @brief catch invalid port definitions (<2) with a + * compile-time assertion resulting in a duplicate case error. + */ +#define IX_ETH_DB_PORTS_ASSERTION { switch(0) { case 0 : ; case 1 : ; case IX_ETH_DB_NUMBER_OF_PORTS : ; }} + +/** + * @def IX_ETH_DB_CHECK_PORT(portID) + * @brief safety checks to verify whether the port is invalid or uninitialized + */ +#define IX_ETH_DB_CHECK_PORT(portID) \ +{ \ + if ((portID) >= IX_ETH_DB_NUMBER_OF_PORTS) \ + { \ + return IX_ETH_DB_INVALID_PORT; \ + } \ + \ + if (!ixEthDBPortInfo[(portID)].enabled) \ + { \ + return IX_ETH_DB_PORT_UNINITIALIZED; \ + } \ +} + +/** + * @def IX_ETH_DB_CHECK_PORT_ALL(portID) + * @brief safety checks to verify whether the port is invalid or uninitialized; + * tolerates the use of IX_ETH_DB_ALL_PORTS + */ +#define IX_ETH_DB_CHECK_PORT_ALL(portID) \ +{ \ + if ((portID) != IX_ETH_DB_ALL_PORTS) \ + IX_ETH_DB_CHECK_PORT(portID) \ +} + +#endif /* IxEthDBPortDefs_H */ +/** + *@} + */ |