s/deteted/detected/ in log message.

Garbage-collect the remaining vestiges of netisr.

Only use configured RPS hash functions for IPv4 and IPv6 packets.

This is NFC change now because only IPv4 and IPv6 use pktqueue,
but that will change in future commits.

Ensure that all queues passed to ifq_enqueue2() have a valid ifq_lock.

Use IFQ_SET_MAXLEN() rather than open-coding it.

Don't change ifp->if_link_state directly. Pointed out by yamaguchi@n.o.

kpreempt_disable() before sppp_get_{ip,ip6}_addrs() are unnecessary now.

Fix missing curlwp_bind() for ifa_release(), ok'ed by yamaguchi@n.o.

This causes the following KASSERT failure in pppoe server.
- sppp_rcr_event()
- sppp_ipcp_confreq()
- sppp_get_

Fix missing curlwp_bind() for ifa_release(), ok'ed by yamaguchi@n.o.

This causes the following KASSERT failure in pppoe server.
- sppp_rcr_event()
- sppp_ipcp_confreq()
- sppp_get_ip_addrs()
- psref_release()

After if_spppsubr.c:1.227, sppp_ipcp_confreq() is done in workqueue
instead of softint.

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Make pktq_rps_hash() pluggable for each interface type. Reviewed by gdt@n.o, thorpej@n.o, and riastradh@n.o, thanks.

Added missing definition of sppp_ipv6cp_tld

Fixed build without INET6

Fix the wrong timeout event handler for PAP

sppp_auth_to_event() is a implementation of TO+/TO- event for
authentication protocol and it drops TO+ event in Ack-rcvd state.

Send Up event in tlu action of LCP

When LCP is stopping, the layer send Down event and Close event
(Down -> Close). To align the sequence, Up event is moved
before Open event.

Added logs when IPCP and IPv6CP are up or down

Added SPPP_LOG() for refactoring around log

Send RTM_IFINFO when a network configuration protocol
is up or down

Drop the Open event of LCP to stop the interface
even a reconnection is scheduled

The queue for events in if_spppsubr.c is not possible
to enqueue the same event. So, The close event caused
while a

Drop the Open event of LCP to stop the interface
even a reconnection is scheduled

The queue for events in if_spppsubr.c is not possible
to enqueue the same event. So, The close event caused
while a close event and open event are enqueued for
reconnection is not possible to stop interface.
To solve this issue, The open event after
"ifconfig pppoe? down" is dropped.

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remove PP_CISCO that was used in obsoleted drivers e.g. lmc(4)

Remove open event on tlf of PAP/CHAP when retry of them is over
to prevent that LCP stops at Starting state.

And also remove retry counter check on tls of LCP because of
unnecessary.

Do not if_down() when a down event of the lower layer of LCP is happened
since the layer try to reconnect.

Fix not to do if_down() before reconnect

Almost network interface do not use if_down() even when there is no
connectivity. So, pppoe(4) is also made be not used it.
This behavior can be rollbacked b

Fix not to do if_down() before reconnect

Almost network interface do not use if_down() even when there is no
connectivity. So, pppoe(4) is also made be not used it.
This behavior can be rollbacked by SPPP_IFDOWN_RECONNECT option.

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restart LCP when loopback packets are detected

In if_spppsubr.c down and up do not mean that LCP is stopping
or running, but mean that the lower layer of LCP is up or down.
And, restarting of LCP is

restart LCP when loopback packets are detected

In if_spppsubr.c down and up do not mean that LCP is stopping
or running, but mean that the lower layer of LCP is up or down.
And, restarting of LCP is had to use close event and open event.

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Make functions that use for logging MP-safe

There is no change in behavior.

Added clear of dns addresses when IPCP is closed

Added logs on dropping IPCP and IPv6CP packets

remove a wrong ntohs().

The variable is already host-byte-order.