LCOV - code coverage report
Current view: top level - include/net - dsa.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 3 3 100.0 %
Date: 2017-01-25 Functions: 0 0 -

          Line data    Source code
       1             : /*
       2             :  * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips
       3             :  * Copyright (c) 2008-2009 Marvell Semiconductor
       4             :  *
       5             :  * This program is free software; you can redistribute it and/or modify
       6             :  * it under the terms of the GNU General Public License as published by
       7             :  * the Free Software Foundation; either version 2 of the License, or
       8             :  * (at your option) any later version.
       9             :  */
      10             : 
      11             : #ifndef __LINUX_NET_DSA_H
      12             : #define __LINUX_NET_DSA_H
      13             : 
      14             : #define DSA_MAX_SWITCHES        4
      15             : #define DSA_MAX_PORTS           12
      16             : 
      17             : struct dsa_chip_data {
      18             :         /*
      19             :          * How to access the switch configuration registers.
      20             :          */
      21             :         struct device   *mii_bus;
      22             :         int             sw_addr;
      23             : 
      24             :         /*
      25             :          * The names of the switch's ports.  Use "cpu" to
      26             :          * designate the switch port that the cpu is connected to,
      27             :          * "dsa" to indicate that this port is a DSA link to
      28             :          * another switch, NULL to indicate the port is unused,
      29             :          * or any other string to indicate this is a physical port.
      30             :          */
      31             :         char            *port_names[DSA_MAX_PORTS];
      32             : 
      33             :         /*
      34             :          * An array (with nr_chips elements) of which element [a]
      35             :          * indicates which port on this switch should be used to
      36             :          * send packets to that are destined for switch a.  Can be
      37             :          * NULL if there is only one switch chip.
      38             :          */
      39             :         s8              *rtable;
      40             : };
      41             : 
      42             : struct dsa_platform_data {
      43             :         /*
      44             :          * Reference to a Linux network interface that connects
      45             :          * to the root switch chip of the tree.
      46             :          */
      47             :         struct device   *netdev;
      48             : 
      49             :         /*
      50             :          * Info structs describing each of the switch chips
      51             :          * connected via this network interface.
      52             :          */
      53             :         int             nr_chips;
      54             :         struct dsa_chip_data    *chip;
      55             : };
      56             : 
      57             : extern bool dsa_uses_dsa_tags(void *dsa_ptr);
      58             : extern bool dsa_uses_trailer_tags(void *dsa_ptr);
      59           1 : 
      60             : 
      61           1 : #endif

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