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/***********************license start***********************************
* Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of Cavium Inc. nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* This Software, including technical data, may be subject to U.S. export
* control laws, including the U.S. Export Administration Act and its
* associated regulations, and may be subject to export or import
* regulations in other countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* @file
*
* Interface to the NIC.
*
* @addtogroup hal
* @{
*/
typedef enum
{
BDK_NIC_TYPE_BGX, /* All chips */
BDK_NIC_TYPE_TNS, /* Only allowed on CN88XX */
BDK_NIC_TYPE_LBK, /* CN81XX and CN83XX */
BDK_NIC_TYPE_RGMII, /* CN83XX */
} bdk_nic_type_t;
/**
* Configure NIC for a specific port. This is called for each
* port on every interface that connects to NIC.
*
* @param handle Handle for port to config
* @param ntype Type of LMAC this NIC connects to
* @param lmac_credits
* Size of the LMAC buffer in bytes. Used to configure the number of credits to
* setup between the NIC and LMAC
*
* @return Zero on success, negative on failure
*/
extern int bdk_nic_port_init(bdk_if_handle_t handle, bdk_nic_type_t ntype, int lmac_credits);
/**
* Get the current TX queue depth. Note that this operation may be slow
* and adversly affect packet IO performance.
*
* @param handle Port to check
*
* @return Depth of the queue in packets
*/
extern int bdk_nic_get_queue_depth(bdk_if_handle_t handle);
/**
* Send a packet
*
* @param handle Handle of port to send on
* @param packet Packet to send
*
* @return Zero on success, negative on failure
*/
extern int bdk_nic_transmit(bdk_if_handle_t handle, const bdk_if_packet_t *packet);
/**
* Query NIC and fill in the transmit stats for the supplied
* interface handle.
*
* @param handle Port handle
*/
extern void bdk_nic_fill_tx_stats(bdk_if_handle_t handle);
/**
* Query NIC and fill in the receive stats for the supplied
* interface handle.
*
* @param handle Port handle
*/
extern void bdk_nic_fill_rx_stats(bdk_if_handle_t handle);
/** @} */
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