1d39a5e4ce
Currently the Octeon Ethernet driver hardcodes the mapping between interface/port and IPD port number. Since we have generic helpers for the very same purpose, we might as well use them instead. This prevents having the same information in multiple places. Signed-off-by: Janne Huttunen <janne.huttunen@nokia.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Acked-by: David Daney <david.daney@cavium.com> Cc: David Daney <ddaney.cavm@gmail.com> Cc: linux-mips@linux-mips.org Cc: Janne Huttunen <janne.huttunen@nokia.com> Cc: Aaro Koskinen <aaro.koskinen@nokia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: devel@driverdev.osuosl.org Patchwork: https://patchwork.linux-mips.org/patch/10975/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
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* This file is based on code from OCTEON SDK by Cavium Networks.
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*
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* Copyright (c) 2003-2007 Cavium Networks
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, Version 2, as
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* published by the Free Software Foundation.
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*/
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#include <asm/octeon/cvmx-pip.h>
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#include <asm/octeon/cvmx-helper.h>
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#include <asm/octeon/cvmx-helper-util.h>
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/**
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* cvm_oct_get_buffer_ptr - convert packet data address to pointer
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* @packet_ptr: Packet data hardware address
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*
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* Returns Packet buffer pointer
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*/
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static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
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{
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return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)
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<< 7);
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}
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/**
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* INTERFACE - convert IPD port to logical interface
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* @ipd_port: Port to check
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*
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* Returns Logical interface
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*/
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static inline int INTERFACE(int ipd_port)
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{
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int interface = cvmx_helper_get_interface_num(ipd_port);
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if (interface >= 0)
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return interface;
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else if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS)
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return 10;
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panic("Illegal ipd_port %d passed to INTERFACE\n", ipd_port);
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}
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/**
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* INDEX - convert IPD/PKO port number to the port's interface index
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* @ipd_port: Port to check
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*
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* Returns Index into interface port list
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*/
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static inline int INDEX(int ipd_port)
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{
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return cvmx_helper_get_interface_index_num(ipd_port);
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}
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