238 lines
7.2 KiB
C
238 lines
7.2 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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*
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* Support functions for managing the MII management port
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*
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* <hr>$Revision: 70030 $<hr>
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*/
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#ifndef __CVMX_MGMT_PORT_H__
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#define __CVMX_MGMT_PORT_H__
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#include "cvmx-helper.h"
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#include "cvmx-helper-board.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CVMX_MGMT_PORT_NUM_PORTS 2 /* Right now we only have one mgmt port */
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#define CVMX_MGMT_PORT_NUM_TX_BUFFERS 16 /* Number of TX ring buffer entries and buffers */
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#define CVMX_MGMT_PORT_NUM_RX_BUFFERS 128 /* Number of RX ring buffer entries and buffers */
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#define CVMX_MGMT_PORT_TX_BUFFER_SIZE 12288 /* Size of each TX/RX buffer */
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#define CVMX_MGMT_PORT_RX_BUFFER_SIZE 1536 /* Size of each TX/RX buffer */
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typedef enum
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{
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CVMX_MGMT_PORT_SUCCESS = 0,
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CVMX_MGMT_PORT_NO_MEMORY = -1,
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CVMX_MGMT_PORT_INVALID_PARAM = -2,
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CVMX_MGMT_PORT_INIT_ERROR = -3,
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} cvmx_mgmt_port_result_t;
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/* Enumeration of Net Device interface flags. */
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typedef enum
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{
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CVMX_IFF_PROMISC = 0x100, /* receive all packets */
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CVMX_IFF_ALLMULTI = 0x200, /* receive all multicast packets */
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} cvmx_mgmt_port_netdevice_flags_t;
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/**
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* Called to initialize a management port for use. Multiple calls
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* to this function accross applications is safe.
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*
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* @param port Port to initialize
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*
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* @return CVMX_MGMT_PORT_SUCCESS or an error code
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*/
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extern cvmx_mgmt_port_result_t cvmx_mgmt_port_initialize(int port);
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/**
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* Shutdown a management port. This currently disables packet IO
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* but leaves all hardware and buffers. Another application can then
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* call initialize() without redoing the hardware setup.
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*
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* @param port Management port
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*
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* @return CVMX_MGMT_PORT_SUCCESS or an error code
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*/
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extern cvmx_mgmt_port_result_t cvmx_mgmt_port_shutdown(int port);
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/**
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* Enable packet IO on a management port
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*
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* @param port Management port
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*
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* @return CVMX_MGMT_PORT_SUCCESS or an error code
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*/
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extern cvmx_mgmt_port_result_t cvmx_mgmt_port_enable(int port);
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/**
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* Disable packet IO on a management port
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*
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* @param port Management port
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*
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* @return CVMX_MGMT_PORT_SUCCESS or an error code
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*/
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extern cvmx_mgmt_port_result_t cvmx_mgmt_port_disable(int port);
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/**
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* Send a packet out the management port. The packet is copied so
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* the input buffer isn't used after this call.
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*
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* @param port Management port
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* @param packet_len Length of the packet to send. It does not include the final CRC
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* @param buffer Packet data
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*
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* @return CVMX_MGMT_PORT_SUCCESS or an error code
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*/
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extern cvmx_mgmt_port_result_t cvmx_mgmt_port_send(int port, int packet_len, void *buffer);
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#if defined(__FreeBSD__)
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/**
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* Send a packet out the management port. The packet is copied so
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* the input mbuf isn't used after this call.
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*
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* @param port Management port
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* @param m Packet mbuf (with pkthdr)
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*
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* @return CVMX_MGMT_PORT_SUCCESS or an error code
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*/
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extern cvmx_mgmt_port_result_t cvmx_mgmt_port_sendm(int port, const struct mbuf *m);
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#endif
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/**
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* Receive a packet from the management port.
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*
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* @param port Management port
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* @param buffer_len Size of the buffer to receive the packet into
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* @param buffer Buffer to receive the packet into
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*
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* @return The size of the packet, or a negative erorr code on failure. Zero
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* means that no packets were available.
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*/
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extern int cvmx_mgmt_port_receive(int port, int buffer_len, uint8_t *buffer);
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/**
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* Set the MAC address for a management port
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*
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* @param port Management port
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* @param mac New MAC address. The lower 6 bytes are used.
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*
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* @return CVMX_MGMT_PORT_SUCCESS or an error code
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*/
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extern cvmx_mgmt_port_result_t cvmx_mgmt_port_set_mac(int port, uint64_t mac);
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/**
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* Get the MAC address for a management port
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*
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* @param port Management port
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*
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* @return MAC address
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*/
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extern uint64_t cvmx_mgmt_port_get_mac(int port);
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#define CVMX_MGMT_PORT_GET_MAC_ERROR ((unsigned long long)-2LL)
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/**
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* Set the multicast list.
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*
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* @param port Management port
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* @param flags Interface flags
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*
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* @return
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*/
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extern void cvmx_mgmt_port_set_multicast_list(int port, int flags);
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/**
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* Set the maximum packet allowed in. Size is specified
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* including L2 but without FCS. A normal MTU would corespond
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* to 1514 assuming the standard 14 byte L2 header.
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*
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* @param port Management port
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* @param size_without_fcs
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* Size in bytes without FCS
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*/
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extern void cvmx_mgmt_port_set_max_packet_size(int port, int size_without_fcs);
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/**
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* Return the link state of an RGMII/MII port as returned by
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* auto negotiation. The result of this function may not match
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* Octeon's link config if auto negotiation has changed since
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* the last call to __cvmx_mgmt_port_link_set().
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*
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* @param port The RGMII/MII interface port to query
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*
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* @return Link state
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*/
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extern cvmx_helper_link_info_t cvmx_mgmt_port_link_get(int port);
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/**
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* Configure RGMII/MII port for the specified link state. This
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* function does not influence auto negotiation at the PHY level.
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*
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* @param port RGMII/MII interface port
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* @param link_info The new link state
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*
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* @return Zero on success, negative on failure
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*/
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extern int cvmx_mgmt_port_link_set(int port, cvmx_helper_link_info_t link_info);
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/**
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* Return the number of management ports supported on this board.
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*
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* @return Number of ports
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*/
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extern int cvmx_mgmt_port_num_ports(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CVMX_MGMT_PORT_H__ */
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