2008/11/11 Kalle Valo <kalle.valo@xxxxxxxxx>: > Vivek Natarajan <vivek.natraj@xxxxxxxxx> writes: > >> Currently there is no support for powersave in ath9k( Not sure about >> ath5k though). There is a code level implementation for the following >> although we do not enable them: >> Support for network sleep mode: >> If a request for network sleep comes from higher layers, the >> sleep duration having been configured based on beacon interval and the >> TIM offset in the beacon based on AID is all configured, then the >> chip will happily go to sleep and wake up for the beacon to read TIM. > >> But the code for calulating TIM offset, reading TIM, to decide the power >> level based on TIM, extending awake time based on DTIM needs to be >> done. > > Thanks, this was useful. Is the interface for these power save > commands available somewhere? I would like to take a look so that I > understand what kind of paremeters the driver can set. > Check out these 2 functions... http://git.kernel.org/?p=linux/kernel/git/linville/wireless-testing.git;a=blob;f=drivers/net/wireless/ath5k/base.c;h=8c9961525cc44bee2ff4be4619264faa3f02962d;hb=HEAD#l2035 http://git.kernel.org/?p=linux/kernel/git/linville/wireless-testing.git;a=blob;f=drivers/net/wireless/ath5k/pcu.c;h=d7f0c1017bda55a86a18acbb1384ebee34377eb5;hb=HEAD#l674 We set some intervals during beacon_update_timers and init_beacon is called to pass them on hw, init_beacon can (should) also set enhanced sleep registers on AR5212, for more infos you can check legacy-hal or read reg.h http://git.kernel.org/?p=linux/kernel/git/linville/wireless-testing.git;a=blob;f=drivers/net/wireless/ath5k/reg.h;h=69755fc2f9bee78ab78489bec6cd1ceb782ef914;hb=HEAD#l1602 -- GPG ID: 0xD21DB2DB As you read this post global entropy rises. Have Fun ;-) Nick -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
