1 .. SPDX-License-Identifier: GPL-2.0
3 ==================================
4 ATM (i)Chip IA Linux Driver Source
5 ==================================
9 --------------------------------------------------------------------------------
11 Read This Before You Begin!
13 --------------------------------------------------------------------------------
18 This is the README file for the Interphase PCI ATM (i)Chip IA Linux driver
21 The features and limitations of this driver are as follows:
23 - A single VPI (VPI value of 0) is supported.
24 - Supports 4K VCs for the server board (with 512K control memory) and 1K
25 VCs for the client board (with 128K control memory).
26 - UBR, ABR and CBR service categories are supported.
27 - Only AAL5 is supported.
28 - Supports setting of PCR on the VCs.
29 - Multiple adapters in a system are supported.
30 - All variants of Interphase ATM PCI (i)Chip adapter cards are supported,
31 including x575 (OC3, control memory 128K , 512K and packet memory 128K,
32 512K and 1M), x525 (UTP25) and x531 (DS3 and E3). See
33 http://www.iphase.com/
35 - Only x86 platforms are supported.
46 1. Installing the adapters in the system
48 To install the ATM adapters in the system, follow the steps below.
51 b. Shut down the system and power off the system.
52 c. Install one or more ATM adapters in the system.
53 d. Connect each adapter to a port on an ATM switch. The green 'Link'
54 LED on the front panel of the adapter will be on if the adapter is
55 connected to the switch properly when the system is powered up.
56 e. Power on and boot the system.
60 3. Rebuild kernel with ABR support
64 c. Reconfigure the kernel, choose the Interphase ia driver through "make
65 menuconfig" or "make xconfig".
66 d. Rebuild the kernel, loadable modules and the atm tools.
67 e. Install the new built kernel and modules and reboot.
69 4. Load the adapter hardware driver (ia driver) if it is built as a module
72 b. Change directory to /lib/modules/<kernel-version>/atm.
73 c. Run "insmod suni.o;insmod iphase.o"
74 The yellow 'status' LED on the front panel of the adapter will blink
75 while the driver is loaded in the system.
76 d. To verify that the 'ia' driver is loaded successfully, run the
81 If the driver is loaded successfully, the output of the command will
82 be similar to the following lines::
84 Itf Type ESI/"MAC"addr AAL(TX,err,RX,err,drop) ...
85 0 ia xxxxxxxxx 0 ( 0 0 0 0 0 ) 5 ( 0 0 0 0 0 )
87 You can also check the system log file /var/log/messages for messages
88 related to the ATM driver.
90 5. Ia Driver Configuration
92 5.1 Configuration of adapter buffers
93 The (i)Chip boards have 3 different packet RAM size variants: 128K, 512K and
94 1M. The RAM size decides the number of buffers and buffer size. The default
95 size and number of buffers are set as following:
97 ========= ======= ====== ====== ====== ====== ======
98 Total Rx RAM Tx RAM Rx Buf Tx Buf Rx buf Tx buf
99 RAM size size size size size cnt cnt
100 ========= ======= ====== ====== ====== ====== ======
101 128K 64K 64K 10K 10K 6 6
102 512K 256K 256K 10K 10K 25 25
103 1M 512K 512K 10K 10K 51 51
104 ========= ======= ====== ====== ====== ====== ======
106 These setting should work well in most environments, but can be
107 changed by typing the following command::
109 insmod <IA_DIR>/ia.o IA_RX_BUF=<RX_CNT> IA_RX_BUF_SZ=<RX_SIZE> \
110 IA_TX_BUF=<TX_CNT> IA_TX_BUF_SZ=<TX_SIZE>
114 - RX_CNT = number of receive buffers in the range (1-128)
115 - RX_SIZE = size of receive buffers in the range (48-64K)
116 - TX_CNT = number of transmit buffers in the range (1-128)
117 - TX_SIZE = size of transmit buffers in the range (48-64K)
119 1. Transmit and receive buffer size must be a multiple of 4.
120 2. Care should be taken so that the memory required for the
121 transmit and receive buffers is less than or equal to the
122 total adapter packet memory.
124 5.2 Turn on ia debug trace
126 When the ia driver is built with the CONFIG_ATM_IA_DEBUG flag, the driver
127 can provide more debug trace if needed. There is a bit mask variable,
128 IADebugFlag, which controls the output of the traces. You can find the bit
129 map of the IADebugFlag in iphase.h.
130 The debug trace can be turn on through the insmod command line option, for
131 example, "insmod iphase.o IADebugFlag=0xffffffff" can turn on all the debug
132 traces together with loading the driver.
134 6. Ia Driver Test Using ttcp_atm and PVC
136 For the PVC setup, the test machines can either be connected back-to-back or
137 through a switch. If connected through the switch, the switch must be
138 configured for the PVC(s).
142 At the test machine intended to receive data, type::
144 ttcp_atm -r -a -s 0.100
146 At the other test machine, type::
148 ttcp_atm -t -a -s 0.100 -n 10000
150 Run "ttcp_atm -h" to display more options of the ttcp_atm tool.
153 It is the same as the UBR testing, but with an extra command option::
159 xxx = the maximum peak cell rate, from 170 - 353207.
161 This option must be set on both the machines.
165 It is the same as the UBR testing, but with an extra command option::
171 xxx = the maximum peak cell rate, from 170 - 353207.
173 This option may only be set on the transmit machine.
187 United States: Telephone: (214) 654-5555
189 E-Mail: intouch@iphase.com
190 Europe: Telephone: 33 (0)1 41 15 44 00
191 Fax: 33 (0)1 41 15 12 13
192 World Wide Web: http://www.iphase.com
193 Anonymous FTP: ftp.iphase.com