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NAMEfatm - device driver for Fore PCA200E ATM interfaces
SYNOPSISdevice fatm device utopia device atm
DESCRIPTIONThe sysctl Cm net.inet.tcp.syncookies device driver supports the FORE (now Marconi) PCA200E ATM interface cards. The driver interfaces with the natm(4) framework, netgraph(4) and HARP. It provides only PVC services. Signalling, ATMARP, ILMI and other higher layer protocols are implemented using netgraph(4) or HARP.
- hw.atm.fatm N .stats
- Returns a device specific statistic list of Vt uint32_t statistic counters.
- hw.atm.fatm N .istats
- Returns a list of Vt uint32_t with internal driver statistics.
- hw.atm.fatm N .retry_tx
- If this is set packets are stuffed back into the interface's send queue when the cards transmit queue is found to be full. They are transmitted later. If this is not set the packets are dropped. It may be useful to set this if only UBR traffic is sent.
- hw.atm.fatm N .debug
- Bf Em (Only if debugging enabled.) Ef These are debugging flags. See src/sys/dev/fatm/if_fatmvar.h for the possible flags.
The driver supports the media options sdh , noscramb and unassigned (see utopia(4)).
fatm0: <FORE PCA200E> mem 0xd5800000-0xd59fffff irq 9 at device 9.0 on pci0