Pyun YongHyeon 10f695ee22 Reimplement miibus_statchg method. Don't rely on link state change ... interrupt. If we want to use link state change interrupt ste(4) should also implement auto-negotiation complete handler as well as various PHY access handling. Now link state change is handled by mii(4) polling so it will automatically update link state UP/DOWN events which in turn make ste(4) usable with lagg(4). r199559 added a private timer to drive watchdog and the timer also used to drive MAC statistics update. Because the MAC statistics update is called whenever statistics counter reaches near-full, it drove watchdog timer too fast such that it caused false watchdog timeouts under heavy TX traffic conditions. Fix the regression by separating ste_stats_update() from driving watchdog timer and introduce a new function ste_tick() that handles periodic job such as driving watchdog, MAC statistics update and link state check etc. While I'm here clear armed watchdog timer in ste_stop().		2009-12-22 20:11:56 +00:00
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if_ste.c	Reimplement miibus_statchg method. Don't rely on link state change	2009-12-22 20:11:56 +00:00
if_stereg.h	Reimplement miibus_statchg method. Don't rely on link state change	2009-12-22 20:11:56 +00:00