When updating byacc to 20230201, I enabled the backtracking extension as it seemed useful and harmless. With a little more experience, it appears to have more impact than I initially thought and I'm no longer sure how useful it really is, so turn it back off.
PR: 244149, 269425
Sponsored by: Klara, Inc.
Reviewed by: imp, jkim
Differential Revision: https://reviews.freebsd.org/D38931
libcasper(3) is not used in bhyve. So move dependency to the appropriate
place.
Reviewed by: markj
MFC after: 1 week
Sponsored by: vStack
Differential Revision: https://reviews.freebsd.org/D38905
Language servers like clangd generate a .cache directory to store
compilation cache. Tell Git to ignore this directory when staging files.
Reviewed by: markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D38937
Summary:
Avoid referencing the ifnet struct directly, and use the IfAPI accessors
instead.
Reviewed by: gallatin
Sponsored by: Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D38932
Summary:
When iflib was first converted some IfAPI APIs were not yet present, so
were tagged with "XXX" comments. Finish the conversion by using these
new APIs.
Reviewed by: gallatin, erj
Sponsored by: Juniper Networks, Inc
Differential Revision: https://reviews.freebsd.org/D38928
This is the only mapping remaining which needs to respect nonposted-mmio
to avoid breaking the boot on Apple silicon.
Reviewed by: andrew
Differential Revision: https://reviews.freebsd.org/D38920
Where options exist in both src.opts.mk and kern.opts.mk they should be
kept in sync.
PR: 269994
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D38935
Previously these were not set for the showconfig target, so took the
host's value rather than the target. As a result some machine-dependent
kernel options were not reported with correct defaults in the src.conf
manpage.
PR: 269994
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D38926
The assertions added in commit b0ccf53f24 ("inpcb: Assert against
wildcard addrs in in_pcblookup_hash_locked()") revealed that protocol
layers may pass the unspecified address to in_pcblookup().
Add some checks to filter out such packets before we attempt an inpcb
lookup:
- Disallow the use of an unspecified source address in in_pcbladdr() and
in6_pcbladdr().
- Disallow IP packets with an unspecified destination address.
- Disallow TCP packets with an unspecified source address, and add an
assertion to verify the comment claiming that the case of an
unspecified destination address is handled by the IP layer.
Reported by: syzbot+9ca890fb84e984e82df2@syzkaller.appspotmail.com
Reported by: syzbot+ae873c71d3c71d5f41cb@syzkaller.appspotmail.com
Reported by: syzbot+e3e689aba1d442905067@syzkaller.appspotmail.com
Reviewed by: glebius, melifaro
MFC after: 2 weeks
Sponsored by: Klara, Inc.
Sponsored by: Modirum MDPay
Differential Revision: https://reviews.freebsd.org/D38570
It is impossible to compile pfctl with OPT_DEBUG due to integer width mismatch:
/usr/home/kajetan.staszkiewicz/freebsd.git/sbin/pfctl/pfctl_optimize.c:1479:9: error: format specifies type 'unsigned int' but the argument has type 'unsigned long' [-Werror,-Wformat]
i - pf_rule_desc[closest].prf_off--- pfctl_optimize.o ---
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/home/kajetan.staszkiewicz/freebsd.git/sbin/pfctl/pfctl_optimize.c:52:44: note: expanded from macro 'DEBUG'
printf("%s: " str "\n", __FUNCTION__ , ## v)
~~~ ^
1 error generated.
Reviewed by: kp
Obtained from: OpenBSD (pfctl_optimize.c 1.15)
Differential Revision: https://reviews.freebsd.org/D38918
epairs currently shuttle all transmitted packets through a single global
taskqueue thread. To hand packets over to the taskqueue thread, each
epair maintains a pair of ring buffers and a lockless scheme for
notifying the thread of pending work. The implementation can lead to
lost wakeups, causing to-be-transmitted packets to end up stuck in the
queue.
Rather than extending the existing scheme, simply replace it with a
linked list protected by a mutex, and use the mutex to synchronize
wakeups of the taskqueue thread. This appears to give equivalent or
better throughput with >= 16 producer threads and eliminates the lost
wakeups.
Reviewed by: kp
MFC after: 1 week
Sponsored by: Klara, Inc.
Sponsored by: Modirum MDPay
Differential Revision: https://reviews.freebsd.org/D38843
The m_flags field of struct mbuf is 24 bits wide and so gets truncated
in a couple of places in the epair code. Instead of preserving the
entire flag set, just remember whether M_BCAST or M_MCAST is set.
MFC after: 1 week
Sponsored by: Klara, Inc.
sender_body() uses OPT_COPY to copy the frame into the destination slot
for the first 100,000 packets. Then it removes OPT_COPY to improve
performance. The function always starts with the first tx ring.
If multiple tx rings are in use, it is possible that the initial 100k
packets will only use the first ring. After OPT_COPY is removed, there
may come a time when the first ring is full and sender_body() will move
to the next ring which was never initialized. As a result it will send
all zero packets. (This was discovered when the receiving NIC reported
rx errors.)
Before any transmissions, step through every tx ring and set
NS_BUF_CHANGED on every slot. That will force send_packets() to
initialize the slot when first used. Since it only copies when
necessary, it performs better than always setting OPT_COPY. With this
change, there is no reason for the "drop copy" code.
Submitted by: Brian Poole <brian90013@gmail.com>
MFC after: 7 days
Summary: IFNET_RLOCK() is not sufficient, the epoch needs entered.
Reviewed by: hselasky
Sponsored by: Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D38711
When using the --suspend and --checkpoint parameter, bhyvectl will
produce two checkpoint images and the exits. This is slightly ambiguous.
So, permit only one of theses parameters at the same time.
Reviewed by: corvink, markj
MFC after: 1 week
Sponsored by: vStack
Differential Revision: https://reviews.freebsd.org/D38887
init_checkpoint_thread binds to a socket. Bhyve isn't allowed to do that
after caph_enter.
Reviewed by: corvink, markj
MFC after: 1 week
Sponsored by: vStack
Differential Revision: https://reviews.freebsd.org/D38857
This update provides a more detailed description of FFS/UFS snapshots
and adds links to useful man pages.
Requested by: Graham Perrin
Submitted by: darius-dons.net.au
Reviewed by: Ravi Pokala
PR: 266358
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D38817
To allow hardware to work around a broken memory bus where we need to
support the nonposted-mmio flag.
Reviewed by: kevans
Differential Revision: https://reviews.freebsd.org/D34333
On arm64 PCI config memory is expected to be mapped with a non-posted
device type. To handle this use the new bus_map_resource support in
arm64 to map memory with the new VM_MEMATTR_DEVICE_NP attribute. This
memory has already been allocated and activated, it just needs to be
mapped.
Reviewed by: kevans, mmel
Differential Revision: https://reviews.freebsd.org/D30079
This fixes an instapanic when restarting wpa_supplicant on my laptop's
iwlwifi device. After this change, iwlwifi enters a nonfunctional
state if wpa_supplicant is restarted, but "service netif restart wlan0"
is enough to get it working again.
releng/13.2 candidate.
Reviewed by: bz
MFC after: 3 days
When the kernel is built without capability mode support, or when
using an emulator like qemu-user-static that does not translate
system calls, these calls will return a negative number and set
the errno to ENOSYS. However, this error does not indicate a
real programming or runtime error and is generally ignored by
base system applications built with capability mode sandboxing.
Match this behavior by making xz(1) to ignore ENOSYS errors
when calling capability mode system calls too.
PR: 269185
Reported by: Dan Kotowski
MFC after: 2 days
netlink(4) and associated features will exist in FreeBSD 14.0 but they
will also exist in 13.2, an older version, from commits such as 02b958b1
and b309249b.
This commit needs merging to stable/13 and releng/13.2.
MFC after: 2days (needs to be in RC2)
Reviewed by: imp,melifaro
Pull Request: https://github.com/freebsd/freebsd-src/pull/651
