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IXP400 Software
Contents
April 2005 IXP400 Software Version 2.0 Programmer’s Guide
14 Document Number: 252539, Revision: 007
27 Basic IxCryptoAcc API Flow .......................................................................................................90
28 IxCryptoAcc API Call Process Flow for CCD Updates ...............................................................92
29 IxCryptoAcc Component Dependencies.....................................................................................94
30 IxCryptoAcc, NPE and IPSec Stack Scope ................................................................................ 97
31 Relationship Between IPSec Protocol and Algorithms ............................................................... 98
32 ESP Packet Structure................................................................................................................. 98
33 Authentication Header ................................................................................................................99
34 ESP Data Flow .........................................................................................................................100
35 AH Data Flow ...........................................................................................................................101
36 IPSec API Call Flow .................................................................................................................102
37 CCM Operation Flow ................................................................................................................104
38 CCM Operation on Data Packet ...............................................................................................104
39 AES CBC Encryption For MIC..................................................................................................105
40 AES CTR Encryption For Payload and MIC .............................................................................105
41 WEP Frame with Request Parameters.....................................................................................107
42 WEP Perform API Call Flow .....................................................................................................109
43 ixDmaAcc Dependencies .........................................................................................................116
44 IxDmaAcc Component Overview..............................................................................................117
45 IxDmaAcc Control Flow ............................................................................................................124
46 IxDMAcc Initialization ...............................................................................................................125
47 DMA Transfer Operation ..........................................................................................................126
48 Ethernet Access Layers Block Diagram ...................................................................................133
49 Ethernet Transmit Frame API Overview...................................................................................134
50 Ethernet Transmit Frame Data Buffer Flow..............................................................................136
51 Ethernet Receive Frame API Overview....................................................................................138
52 Ethernet Receive Plane Data Buffer Flow ................................................................................ 142
53 IxEthAcc and Secondary Components.....................................................................................144
54 Example Network Diagram for MAC Address Learning and Filtering with Two Ports ..............157
55 Egress VLAN Control Path for Untagged Frames ....................................................................168
56 QoS on Receive for 802.1Q Tagged Frames ...........................................................................170
57 QoS on Receive for Untagged Frames .................................................................................... 171
58 AP-STA and AP-AP Modes ......................................................................................................173
59 HSS/HDLC Access Overview...................................................................................................192
60 T1 Tx Signal Format .................................................................................................................194
61 IxHssAcc Component Dependencies .......................................................................................196
62 Channelized Connect ...............................................................................................................201
63 Channelized Transmit and Receive..........................................................................................203
64 Packetized Connect..................................................................................................................206
65 Packetized Transmit ................................................................................................................. 208
66 Packetized Receive .................................................................................................................. 210
67 HSS Packetized Receive Buffering ..........................................................................................213
68 HSS Packetized Transmit Buffering .........................................................................................214
69 HSS Channelized Receive Operation ...................................................................................... 216
70 HSS Channelized Transmit Operation .....................................................................................217
71 Message from Intel XScale
®
Core Software Client to an NPE.................................................228
72 Message with Response from Intel XScale
®
Core Software Client to an NPE ........................229
73 Receiving Unsolicited Messages from NPE to Software Client................................................230
74 ixNpeMh Component Dependencies........................................................................................231
75 IxParityENAcc Dependency Diagram.......................................................................................238
76 Parity Error Notification Sequence ...........................................................................................239