cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ethernet-util.h (1126B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * This file is based on code from OCTEON SDK by Cavium Networks.
      4 *
      5 * Copyright (c) 2003-2007 Cavium Networks
      6 */
      7
      8/**
      9 * cvm_oct_get_buffer_ptr - convert packet data address to pointer
     10 * @packet_ptr: Packet data hardware address
     11 *
     12 * Returns Packet buffer pointer
     13 */
     14static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
     15{
     16	return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)
     17				<< 7);
     18}
     19
     20/**
     21 * INTERFACE - convert IPD port to logical interface
     22 * @ipd_port: Port to check
     23 *
     24 * Returns Logical interface
     25 */
     26static inline int INTERFACE(int ipd_port)
     27{
     28	int interface;
     29
     30	if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS)
     31		return 10;
     32	interface = cvmx_helper_get_interface_num(ipd_port);
     33	if (interface >= 0)
     34		return interface;
     35	panic("Illegal ipd_port %d passed to %s\n", ipd_port, __func__);
     36}
     37
     38/**
     39 * INDEX - convert IPD/PKO port number to the port's interface index
     40 * @ipd_port: Port to check
     41 *
     42 * Returns Index into interface port list
     43 */
     44static inline int INDEX(int ipd_port)
     45{
     46	return cvmx_helper_get_interface_index_num(ipd_port);
     47}