Intel IXP400 - page 14

Intel® 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