1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2001-2002 Luigi Rizzo
74  * call -- typically this is the number of packets to be received, or
119 	if (error || !req->newptr )  in poll_burst_max_sysctl()
145 	if (error || !req->newptr )  in poll_each_burst_sysctl()
176 	if (error || !req->newptr )  in user_frac_sysctl()
200 	if (error || !req->newptr )  in reg_frac_sysctl()
238 static uint32_t phase;  variable
239 SYSCTL_UINT(_kern_polling, OID_AUTO, phase, CTLFLAG_RD,
240 	&phase, 0, "Polling phase");
302 	delta = (t.tv_usec - prev_t.tv_usec) +  in hardclock_device_poll()
303 		(t.tv_sec - prev_t.tv_sec)*1000000;  in hardclock_device_poll()
316 		phase = 0;  in hardclock_device_poll()
319 	if (phase <= 2) {  in hardclock_device_poll()
320 		if (phase != 0)  in hardclock_device_poll()
322 		phase = 1;  in hardclock_device_poll()
326 		phase = 2;  in hardclock_device_poll()
358  * It is very bad to fetch large bursts of packets from a single card at once,
362  * time spent in network-related processing, we split the burst in smaller
387 	phase = 5;  in netisr_pollmore()
398 	kern_load = (t.tv_usec - poll_start_t.tv_usec) +  in netisr_pollmore()
399 		(t.tv_sec - poll_start_t.tv_sec)*1000000;	/* us */  in netisr_pollmore()
401 	if (kern_load > (100 - user_frac)) { /* try decrease ticks */  in netisr_pollmore()
403 			poll_burst--;  in netisr_pollmore()
409 	pending_polls--;  in netisr_pollmore()
411 		phase = 0;  in netisr_pollmore()
418 		poll_burst -= (poll_burst / 8);  in netisr_pollmore()
424 		phase = 6;  in netisr_pollmore()
449 	phase = 3;  in netisr_poll()
461 	residual_burst -= cycles;  in netisr_poll()
466 	phase = 4;  in netisr_poll()
498 			verbose--;  in ether_poll_register()
542 	poll_handlers--;  in ether_poll_deregister()
559 	PROC_SLOCK(td->td_proc);  in poll_idle()
561 	PROC_SUNLOCK(td->td_proc);  in poll_idle()