mirror of https://github.com/F-Stack/f-stack.git
180 lines
5.7 KiB
C
180 lines
5.7 KiB
C
|
/***********************license start***************
|
||
|
|
* Copyright (c) 2003-2010 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
|
||
|
|
*
|
||
|
|
* Functions for NPI initialization, configuration,
|
||
|
|
* and monitoring.
|
||
|
|
*
|
||
|
|
* <hr>$Revision: 70030 $<hr>
|
||
|
|
*/
|
||
|
|
#ifdef CVMX_BUILD_FOR_LINUX_KERNEL
|
||
|
|
#include <asm/octeon/cvmx.h>
|
||
|
|
#include <asm/octeon/cvmx-config.h>
|
||
|
|
#ifdef CVMX_ENABLE_PKO_FUNCTIONS
|
||
|
|
#include <asm/octeon/cvmx-helper.h>
|
||
|
|
#include <asm/octeon/cvmx-pko.h>
|
||
|
|
#include <asm/octeon/cvmx-pexp-defs.h>
|
||
|
|
#include <asm/octeon/cvmx-sli-defs.h>
|
||
|
|
#endif
|
||
|
|
#include <asm/octeon/cvmx-pip-defs.h>
|
||
|
|
#else
|
||
|
|
#if !defined(__FreeBSD__) || !defined(_KERNEL)
|
||
|
|
#include "executive-config.h"
|
||
|
|
#include "cvmx-config.h"
|
||
|
|
#include "cvmx.h"
|
||
|
|
#include "cvmx-pko.h"
|
||
|
|
#ifdef CVMX_ENABLE_PKO_FUNCTIONS
|
||
|
|
#include "cvmx-helper.h"
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
#include "cvmx.h"
|
||
|
|
#include "cvmx-pko.h"
|
||
|
|
#include "cvmx-helper.h"
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CVMX_ENABLE_PKO_FUNCTIONS
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @INTERNAL
|
||
|
|
* Probe a NPI interface and determine the number of ports
|
||
|
|
* connected to it. The NPI interface should still be down
|
||
|
|
* after this call.
|
||
|
|
*
|
||
|
|
* @param interface Interface to probe
|
||
|
|
*
|
||
|
|
* @return Number of ports on the interface. Zero to disable.
|
||
|
|
*/
|
||
|
|
int __cvmx_helper_npi_probe(int interface)
|
||
|
|
{
|
||
|
|
#if CVMX_PKO_QUEUES_PER_PORT_PCI > 0
|
||
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
|
||
|
|
return 32;
|
||
|
|
#if 0
|
||
|
|
/* Technically CN30XX, CN31XX, and CN50XX contain packet engines, but
|
||
|
|
nobody ever uses them. Since this is the case, we disable them here */
|
||
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN50XX))
|
||
|
|
return 2;
|
||
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN30XX))
|
||
|
|
return 1;
|
||
|
|
#endif
|
||
|
|
else if (!(OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X) || OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) || OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN50XX) || OCTEON_IS_MODEL(OCTEON_CN30XX)))
|
||
|
|
return 4; /* The packet engines didn't exist before cn56xx pass 2 */
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @INTERNAL
|
||
|
|
* Bringup and enable a NPI interface. After this call packet
|
||
|
|
* I/O should be fully functional. This is called with IPD
|
||
|
|
* enabled but PKO disabled.
|
||
|
|
*
|
||
|
|
* @param interface Interface to bring up
|
||
|
|
*
|
||
|
|
* @return Zero on success, negative on failure
|
||
|
|
*/
|
||
|
|
int __cvmx_helper_npi_enable(int interface)
|
||
|
|
{
|
||
|
|
int num_ports = cvmx_helper_ports_on_interface(interface);
|
||
|
|
|
||
|
|
/* On CN50XX, CN52XX, and CN56XX we need to disable length checking
|
||
|
|
so packet < 64 bytes and jumbo frames don't get errors */
|
||
|
|
if (!OCTEON_IS_MODEL(OCTEON_CN3XXX) && !OCTEON_IS_MODEL(OCTEON_CN58XX))
|
||
|
|
{
|
||
|
|
int port;
|
||
|
|
for (port=0; port<num_ports; port++)
|
||
|
|
{
|
||
|
|
cvmx_pip_prt_cfgx_t port_cfg;
|
||
|
|
int ipd_port = (OCTEON_IS_MODEL(OCTEON_CN68XX)) ?
|
||
|
|
cvmx_helper_get_pknd(interface, port) :
|
||
|
|
cvmx_helper_get_ipd_port(interface, port);
|
||
|
|
port_cfg.u64 = cvmx_read_csr(CVMX_PIP_PRT_CFGX(ipd_port));
|
||
|
|
port_cfg.s.lenerr_en = 0;
|
||
|
|
port_cfg.s.maxerr_en = 0;
|
||
|
|
port_cfg.s.minerr_en = 0;
|
||
|
|
cvmx_write_csr(CVMX_PIP_PRT_CFGX(ipd_port), port_cfg.u64);
|
||
|
|
|
||
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* Set up pknd and bpid
|
||
|
|
*/
|
||
|
|
cvmx_sli_portx_pkind_t config;
|
||
|
|
config.u64 = cvmx_read_csr(CVMX_PEXP_SLI_PORTX_PKIND(port));
|
||
|
|
config.s.bpkind = cvmx_helper_get_bpid(interface, port);
|
||
|
|
config.s.pkind = cvmx_helper_get_pknd(interface, port);
|
||
|
|
cvmx_write_csr(CVMX_PEXP_SLI_PORTX_PKIND(port), config.u64);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* Set up pko pipes.
|
||
|
|
*/
|
||
|
|
cvmx_sli_tx_pipe_t config;
|
||
|
|
config.u64 = cvmx_read_csr(CVMX_PEXP_SLI_TX_PIPE);
|
||
|
|
config.s.base = __cvmx_pko_get_pipe (interface, 0);
|
||
|
|
#ifdef CVMX_HELPER_NPI_MAX_PIPES
|
||
|
|
config.s.nump = CVMX_HELPER_NPI_MAX_PIPES;
|
||
|
|
#else
|
||
|
|
config.s.nump = num_ports;
|
||
|
|
#endif
|
||
|
|
cvmx_write_csr(CVMX_PEXP_SLI_TX_PIPE, config.u64);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Enables are controlled by the remote host, so nothing to do here */
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* CVMX_ENABLE_PKO_FUNCTIONS */
|
||
|
|
|