FreeBSD/Linux Kernel Cross Reference
sys/mips/cavium/cvmx_config.h

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    /* $FreeBSD$ */
    
    #ifndef _CVMX_CONFIG_H
    #define _CVMX_CONFIG_H
    
    #include "opt_cvmx.h"
    
    #include <sys/types.h>
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/mbuf.h>
    
    #include <vm/vm.h>
    #include <vm/pmap.h>
    
    #include <machine/stdarg.h>
    
    #define asm             __asm
    
    #define CVMX_DONT_INCLUDE_CONFIG
    
    /* Define to enable the use of simple executive packet output functions.
    ** For packet I/O setup enable the helper functions below. 
    */ 
    #define CVMX_ENABLE_PKO_FUNCTIONS
    
    /* Define to enable the use of simple executive helper functions. These
    ** include many hardware setup functions.  See cvmx-helper.[ch] for
    ** details.
    */
    #define CVMX_ENABLE_HELPER_FUNCTIONS
    
    /* CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve before
    ** the beginning of the packet. If necessary, override the default  
    ** here.  See the IPD section of the hardware manual for MBUFF SKIP 
    ** details.*/ 
    #define CVMX_HELPER_FIRST_MBUFF_SKIP 184
    
    /* CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve in each
    ** chained packet element. If necessary, override the default here */
    #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0
    
    /* CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is enabled
    ** for all input ports. This controls if IPD sends backpressure to all ports if
    ** Octeon's FPA pools don't have enough packet or work queue entries. Even when
    ** this is off, it is still possible to get backpressure from individual
    ** hardware ports. When configuring backpressure, also check
    ** CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override the default
    ** here */
    #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1
    
    /* CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper
    **  function. Once it is enabled the hardware starts accepting packets. You
    **  might want to skip the IPD enable if configuration changes are need
    **  from the default helper setup. If necessary, override the default here */
    #define CVMX_HELPER_ENABLE_IPD 1
    
    /* CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns
    ** to incoming packets. */
    #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED
   
   /* The following select which fields are used by the PIP to generate
   ** the tag on INPUT
   ** 0: don't include
   ** 1: include */
   #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP       0
   #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP       0
   #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT     0
   #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT     0
   #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER  0
   #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP       0
   #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP       0
   #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT     0
   #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT     0
   #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL     0
   #define CVMX_HELPER_INPUT_TAG_INPUT_PORT        1
   
   /* Select skip mode for input ports */
   #define CVMX_HELPER_INPUT_PORT_SKIP_MODE        CVMX_PIP_PORT_CFG_MODE_SKIPL2
   
   /* Define the number of queues per output port */
   #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE0      1
   #define CVMX_HELPER_PKO_QUEUES_PER_PORT_INTERFACE1      1
   
   /* Configure PKO to use per-core queues (PKO lockless operation). 
   ** Please see the related SDK documentation for PKO that illustrates 
   ** how to enable and configure this option. */
   //#define CVMX_ENABLE_PKO_LOCKLESS_OPERATION 1
   //#define CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 8
   //#define CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 8
   
   /* Force backpressure to be disabled.  This overrides all other
   ** backpressure configuration */
   #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 1
   
   /* Disable the SPI4000's processing of backpressure packets and backpressure
   ** generation. When this is 1, the SPI4000 will not stop sending packets when
   ** receiving backpressure. It will also not generate backpressure packets when
   ** its internal FIFOs are full. */
   #define CVMX_HELPER_DISABLE_SPI4000_BACKPRESSURE 1
   
   /* CVMX_HELPER_SPI_TIMEOUT is used to determine how long the SPI initialization
   ** routines wait for SPI training. You can override the value using
   ** executive-config.h if necessary */
   #define CVMX_HELPER_SPI_TIMEOUT 10
   
   /* Select the number of low latency memory ports (interfaces) that
   ** will be configured.  Valid values are 1 and 2.
   */
   #define CVMX_LLM_CONFIG_NUM_PORTS 2
   
   /* Enable the fix for PKI-100 errata ("Size field is 8 too large in WQE and next
   ** pointers"). If CVMX_ENABLE_LEN_M8_FIX is set to 0, the fix for this errata will 
   ** not be enabled. 
   ** 0: Fix is not enabled
   ** 1: Fix is enabled, if supported by hardware
   */
   #define CVMX_ENABLE_LEN_M8_FIX  1
   
   #if defined(CVMX_ENABLE_HELPER_FUNCTIONS) && !defined(CVMX_ENABLE_PKO_FUNCTIONS)
   #define CVMX_ENABLE_PKO_FUNCTIONS
   #endif
   
   /* Enable debug and informational printfs */
   #define CVMX_CONFIG_ENABLE_DEBUG_PRINTS         1
   
   /************************* Config Specific Defines ************************/
   #define CVMX_LLM_NUM_PORTS 1
   #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1                   /**< PKO queues per port for interface 0 (ports 0-15) */
   #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1                   /**< PKO queues per port for interface 1 (ports 16-31) */
   #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 /**< Limit on the number of PKO ports enabled for interface 0 */
   #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 /**< Limit on the number of PKO ports enabled for interface 1 */
   #define CVMX_PKO_QUEUES_PER_PORT_PCI 1                          /**< PKO queues per port for PCI (ports 32-35) */
   #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1                         /**< PKO queues per port for Loop devices (ports 36-39) */
   
   /************************* FPA allocation *********************************/
   /* Pool sizes in bytes, must be multiple of a cache line */
   #define CVMX_FPA_POOL_0_SIZE (15 * CVMX_CACHE_LINE_SIZE)
   #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE)
   #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE)
   #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE)
   #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE)
   #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE)
   #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE)
   #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE)
   
   /* Pools in use */
   #define CVMX_FPA_PACKET_POOL                (0)             /**< Packet buffers */
   #define CVMX_FPA_PACKET_POOL_SIZE           CVMX_FPA_POOL_0_SIZE
   #define CVMX_FPA_WQE_POOL                   (1)             /**< Work queue entrys */
   #define CVMX_FPA_WQE_POOL_SIZE              CVMX_FPA_POOL_1_SIZE
   #define CVMX_FPA_OUTPUT_BUFFER_POOL         (2)             /**< PKO queue command buffers */
   #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE    CVMX_FPA_POOL_2_SIZE
   
   /*************************  FAU allocation ********************************/
   #define CVMX_FAU_REG_END                    2048
   
   #define CVMX_SCR_SCRATCH                    0
   
   #endif /* !_CVMX_CONFIG_H */

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