ixethacccodeletswbridgeqos.c

intel IXP400系列cpu（2.3版）的库文件

     * VLAN/QoS configuration information
     */ 
    if ((ixEthDBPortEnable(firstPortId)) != IX_ETH_DB_SUCCESS)
    {
        printf("SwBridgeQoS: Cannot enable port %u\n", firstPortId);
        return (IX_FAIL);
    }
    if ((ixEthDBPortEnable(secondPortId)) != IX_ETH_DB_SUCCESS)
    {
        printf("SwBridgeQos: Cannot enable port %u\n", secondPortId);
        return (IX_FAIL);
    }

    /* Configure Xscale QoS : the access layer datapath 
     * prioritizes the different classes of traffic.
     */
    printf("Set Tx Scheduling discipline...\n");
    if (ixEthAccTxSchedulingDisciplineSet(firstPortId, 
					  FIFO_PRIORITY)
	!= IX_ETH_ACC_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set Tx Scheduling for discipline port %u\n",
	       (UINT32)firstPortId);
	return (IX_FAIL);
    }

    if (ixEthAccTxSchedulingDisciplineSet(secondPortId, 
					  FIFO_PRIORITY)
	!= IX_ETH_ACC_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set Tx Scheduling for discipline port %u\n",
	       (UINT32)secondPortId);
	return (IX_FAIL);
    }

    printf("Set Rx Scheduling discipline...\n");
    if (ixEthAccRxSchedulingDisciplineSet(FIFO_PRIORITY)
	!= IX_ETH_ACC_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set Rx Scheduling discipline!\n");
	return (IX_FAIL);
    }

    /* NPE QoS : Configure VLAN traffic for highest priority 
     * on first port. Tagging is enabled on Egress (use default tag
     * for this port) and untagging is enabled on ingress.
     * The traffic running on this bridge will be untagged.
     */
    printf("Set VLAN default tag...\n");
    if (ixEthDBPortVlanTagSet(firstPortId, 
			      IX_ETHACC_CODELET_VLANID_DEFAULT)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set the default VLAN ID for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    printf("Enable tagged frames...\n");
    if (ixEthDBAcceptableFrameTypeSet(firstPortId,
				      IX_ETH_DB_VLAN_TAGGED_FRAMES
				      | IX_ETH_DB_UNTAGGED_FRAMES)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set the acceptable frame type for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    printf("Setting VLAN membership...\n");

    /* by default the entire VLAN range 0-4094 is included in the
       port VLAN membership table, therefore we need to remove all 
       VLAN IDs but 0 (which is required to accept untagged frames) */
    if (ixEthDBPortVlanMembershipRangeRemove(firstPortId, 
        1, IX_ETH_DB_802_1Q_MAX_VLAN_ID) != IX_ETH_DB_SUCCESS)
    {
        printf("SwBridgeQos: Failed to set VLAN membership for port %u\n", firstPortId);
        return (IX_FAIL);
    }

    /* now add the range used by this codelet */
    if (ixEthDBPortVlanMembershipRangeAdd(firstPortId, 
					  IX_ETHACC_CODELET_VLANID_MIN,
					  IX_ETHACC_CODELET_VLANID_MAX)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set VLAN membership for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    printf("Enable Egress VLAN tagging...\n");
    if (ixEthDBEgressVlanRangeTaggingEnabledSet(firstPortId, 
						IX_ETHACC_CODELET_VLANID_MIN,
						IX_ETHACC_CODELET_VLANID_MAX,
						TRUE)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to enable VLAN Egress tagging for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    printf("Enable Ingress VLAN untagging...\n");
    if (ixEthDBIngressVlanTaggingEnabledSet(firstPortId, 
					    IX_ETH_DB_REMOVE_TAG)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to enable VLAN Ingress untagging for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }
    
    printf("Setup priority mapping table...\n");
    if (ixEthDBPriorityMappingTableSet(firstPortId,
				       priorityTable)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set the priority mapping Table for port %u\n",
	       firstPortId);
	return (IX_FAIL);	
    }
    
    /* Configure 10 mb/s on second port to create a 
     * traffic congestion on the bridge : the high 
     * priority traffic should pass, the low priority
     * traffic should starve.
     */
    if (ixEthAccCodeletLinkSlowSpeedSet(secondPortId)
	!= IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set port %u to 10 Mbit\n", 
	       secondPortId);
	return (IX_FAIL);
    }

    /* Allow RX and TX traffic to run */
    if ( ixEthAccPortEnable(firstPortId) != IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to start the Bridge Operation for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    if ( ixEthAccPortEnable(secondPortId) != IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to start the Bridge Operation for port %u\n",
	       secondPortId);
	return (IX_FAIL);
    }

    /* display the default settings for both ports */
    printf("Port %u configuration:\n", 
	   (UINT32)firstPortId);
    printf("- Accept Ingress VLAN-tagged traffic, VLAN tag range is [%u-%u]\n",
	   (UINT32)IX_ETHACC_CODELET_VLANID_MIN,
	   (UINT32)IX_ETHACC_CODELET_VLANID_MAX);
    printf("- Strip tag from ingress traffic\n");
    printf("- Bridge Ingress to port %u without tag\n",
	   (UINT32)secondPortId);
    printf("- Frame priorities may change the frame order (QoS enabled)\n");
    printf("- Insert a default tag [%u] to egress traffic\n",
	   (UINT32)IX_ETHACC_CODELET_VLANID_DEFAULT);
 
    printf("Port %u configuration:\n", 
	   (UINT32)secondPortId);
    printf("- Set as default\n\n");

    return (IX_SUCCESS);
}

/*
 * Function definition: ixEthAccCodeletSwBridgeQoSStop()
 *
 * Unconfigure QoS and Stop bridge datapath
 */
IX_STATUS ixEthAccCodeletSwBridgeQoSStop(IxEthAccPortId firstPortId, 
					 IxEthAccPortId secondPortId)
{

    /* Stop the receive and transmit traffic */
    if ( ixEthAccCodeletPortUnconfigure(firstPortId)
	 != IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to unconfigure the Bridge Operation for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    if ( ixEthAccCodeletPortUnconfigure(secondPortId)
	 != IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to unconfigure the Bridge Operation for port %u\n",
	       secondPortId);
	return (IX_FAIL);
    }

    if ( ixEthAccPortDisable(firstPortId)
	 != IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to stop the Bridge Operation for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    if ( ixEthAccPortDisable(secondPortId)
	 != IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to stop the Bridge Operation for port %u\n",
	       secondPortId);
	return (IX_FAIL);
    }

    /* Disable Xscale QoS */
    printf("Set Tx Scheduling discipline...\n");
    if (ixEthAccTxSchedulingDisciplineSet(firstPortId, 
					  FIFO_NO_PRIORITY)
	!= IX_ETH_ACC_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set Tx Scheduling discipline port %u\n",
	       (UINT32)firstPortId);
	return (IX_FAIL);
    }
    if (ixEthAccTxSchedulingDisciplineSet(secondPortId, 
					  FIFO_NO_PRIORITY)
	!= IX_ETH_ACC_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set Tx Scheduling discipline port %u\n",
	       (UINT32)secondPortId);
	return (IX_FAIL);
    }

    printf("Set Rx Scheduling discipline...\n");
    if (ixEthAccRxSchedulingDisciplineSet(FIFO_NO_PRIORITY)
	!= IX_ETH_ACC_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set Rx Scheduling discipline\n");
	return (IX_FAIL);
    }

    /* Enable the EDB Port again and disable the VLAN/QoS configuration
     * note that no traffic will pass in this mode. After the restoring the
     * configuration to a known state that will not affect other operation
     * modes the ethDB port will be disabled
     */
    if ((ixEthDBPortEnable(firstPortId)) != IX_ETH_DB_SUCCESS)
    {
        printf("SwBridgeQoS: Cannot enable port %u\n", firstPortId);
        return (IX_FAIL);
    }
    if ((ixEthDBPortEnable(secondPortId)) != IX_ETH_DB_SUCCESS)
    {
        printf("SwBridgeQoS: Cannot enable port %u\n", secondPortId);
        return (IX_FAIL);
    }    

    /* Disable NPE QoS and VLAN setup */
    printf("Disable VLAN tagging...\n");
    if (ixEthDBEgressVlanRangeTaggingEnabledSet(firstPortId, 
						IX_ETHACC_CODELET_VLANID_MIN,
						IX_ETHACC_CODELET_VLANID_MAX,
						FALSE)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to disable VLAN Egress tagging for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    printf("Disable tagged frames...\n");
    if (ixEthDBAcceptableFrameTypeSet(firstPortId,
				      IX_ETH_DB_UNTAGGED_FRAMES)
	!= IX_ETH_DB_SUCCESS)
    {
	printf("SwBridgeQos: Failed to set the acceptable frame type for port %u\n",
	       firstPortId);
	return (IX_FAIL);
    }

    /* Disable the VLAN/QoS Feature to return to the initial processing
     * capabilities
     */
    if ( ixEthDBFeatureEnable((IxEthDBPortId) firstPortId, 
			      IX_ETH_DB_VLAN_QOS, 
			      FALSE) != IX_ETH_DB_SUCCESS )
    {
	printf("SwBridgeQoS: Failed to disable the VLAN/QoS Feature for port %u\n", 
	       firstPortId);
	return (IX_FAIL);
    }

    /* disable the ethDB port */
    if ((ixEthDBPortDisable(firstPortId)) != IX_ETH_DB_SUCCESS)
    {
        printf("SwBridgeQoS: Cannot disable port %u\n", firstPortId);
        return (IX_FAIL);
    }
    if ((ixEthDBPortDisable(secondPortId)) != IX_ETH_DB_SUCCESS)
    {
        printf("SwBridgeQoS: Cannot disable port %u\n", secondPortId);
        return (IX_FAIL);
    }    

    /* Restore the link speed to 100 Mbit */
    if (ixEthAccCodeletLinkDefaultSpeedSet(secondPortId)
	!= IX_SUCCESS)
    {
	printf("SwBridgeQos: Failed to reset port %u to a 100 Mbit port!\n",
	       secondPortId);
	return (IX_FAIL);
    }

    return (IX_SUCCESS);
}