| Commit message (Collapse) | Author | Age | Files | Lines |
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Add cxl(4) and if_cxl(4) as links to cxgbe(4).
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Reword SX_NOADAPTIVE description to be clear that adaptive is default.
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- address obsolete Kerberos options
PR: 205168
Submitted by: kevin@bostoncrypto.com
Reviewed by: bjk
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D5430
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Remove self-reference to destroy_dev_drain(9).
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r296286:
Remove filemon->lock wrappers.
r296470:
Only call bwillwrite() for logging to vnodes, as other fo_write() calls do.
r296472:
Require kldunload -f to unload.
r296473:
Add missing break for r296472.
r296575:
FILEMON_SET_FD: Disallow changing the fd.
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Remove references to Giant in the description of vrele(9). Add notes
about vnode lock and sleeping.
MFC r296001:
Fix year.
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BDECFLAGS has not been available since r82604 removed
/etc/defaults/make.conf.
Approved by: re (gjb)
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r295026,r295027,r295029,r295030,r295649:
r294933:
Drop any previous fd when setting a new one.
r294949:
filemon_ioctl: Handle error from devfs_get_cdevpriv(9).
r294952:
filemon_ioctl: Lock the associated filemon handle before writing to it.
r294953:
filemon_comment has nothing to do with wrappers so move it out of
filemon_wrapper.c.
r294957:
filemon_dtr: Lock the associated filemon handle before writing to it.
r294965:
filemon: Use process_exit EVENTHANDLER to capture process exit.
r294967:
filemon: Trace fork via process_fork event.
r294968:
Follow-up r294967: Mark flags unused.
r295017:
filemon: Use process_exec EVENTHANDLER to capture sys_execve.
r295026:
filemon_open: Don't record a process to trace here.
r295027:
filemon: Track the process pointer rather than a pid.
r295029:
Document the purpose and non-purpose of filemon(4).
r295030:
Note the double fork behavior with filemon.
r295649:
filemon: Fix panic when fork1() is called from kproc_create().
Approved by: re (marius)
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(r290383,295282,295283)"
We are keeping tryforward enabled on pfSense since we do not use IPFW +
NAT
This reverts commit b899cad3faf3673f41a3fcf021164dcd7ee19a7e.
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In the IPFW+NAT+divergent MTU case there is a bug in sening ICMP MTU updates.
Approved by: re (marius, gjb)
Sponsored by: Rubicon Communications (Netgate)
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nvd: add hw.nvd.delete_max tunable
The NVMe specification does not define a maximum or optimal delete
size, so technically max delete size is min(full size of namespace,
2^32 - 1 LBAs). A single delete operation for a multi-TB NVMe
namespace though may take much longer to complete than the nvme(4)
I/O timeout period. So choose a sensible default here that is still
suitably large to minimize the number of overall delete operations.
This also fixes possible uint32_t overflow on initial TRIM operation
for zpool create operations for NVMe namespaces with >4G LBAs.
Approved by: re (glebius)
Sponsored by: Intel
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Approved by: re (gjb)
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Approved by: re (marius)
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Fix corruption of coredumps due to procstat notes changing size during
coredump generation. The changes in r287442 required some reworking
since the 'fo_fill_kinfo' file op does not exist in stable/10.
287442:
Detect badly behaved coredump note helpers
Coredump notes depend on being able to invoke dump routines twice; once
in a dry-run mode to get the size of the note, and another to actually
emit the note to the corefile.
When a note helper emits a different length section the second time
around than the length it requested the first time, the kernel produces
a corrupt coredump.
NT_PROCSTAT_FILES output length, when packing kinfo structs, is tied to
the length of filenames corresponding to vnodes in the process' fd table
via vn_fullpath. As vnodes may move around during dump, this is racy.
So:
- Detect badly behaved notes in putnote() and pad underfilled notes.
- Add a fail point, debug.fail_point.fill_kinfo_vnode__random_path to
exercise the NT_PROCSTAT_FILES corruption. It simply picks random
lengths to expand or truncate paths to in fo_fill_kinfo_vnode().
- Add a sysctl, kern.coredump_pack_fileinfo, to allow users to
disable kinfo packing for PROCSTAT_FILES notes. This should avoid
both FILES note corruption and truncation, even if filenames change,
at the cost of about 1 kiB in padding bloat per open fd. Document
the new sysctl in core.5.
- Fix note_procstat_files to self-limit in the 2nd pass. Since
sometimes this will result in a short write, pad up to our advertised
size. This addresses note corruption, at the risk of sometimes
truncating the last several fd info entries.
- Fix NT_PROCSTAT_FILES consumers libutil and libprocstat to grok the
zero padding.
287537:
Follow-up to r287442: Move sysctl to compiled-once file
Avoid duplicate sysctl nodes.
288944:
Fix core corruption caused by race in note_procstat_vmmap
This fix is spiritually similar to r287442 and was discovered thanks to
the KASSERT added in that revision.
NT_PROCSTAT_VMMAP output length, when packing kinfo structs, is tied to
the length of filenames corresponding to vnodes in the process' vm map
via vn_fullpath. As vnodes may move during coredump, this is racy.
We do not remove the race, only prevent it from causing coredump
corruption.
- Add a sysctl, kern.coredump_pack_vmmapinfo, to allow users to disable
kinfo packing for PROCSTAT_VMMAP notes. This avoids VMMAP corruption
and truncation, even if names change, at the cost of up to PATH_MAX
bytes per mapped object. The new sysctl is documented in core.5.
- Fix note_procstat_vmmap to self-limit in the second pass. This
addresses corruption, at the cost of sometimes producing a truncated
result.
- Fix PROCSTAT_VMMAP consumers libutil (and libprocstat, via copy-paste)
to grok the new zero padding.
Approved by: re (gjb)
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Replace the fastforward path with tryforward which does not require a
sysctl and will always be on. The former split between default and
fast forwarding is removed by this commit while preserving the ability
to use all network stack features.
Differential Revision: https://reviews.freebsd.org/D4042
Reviewed by: ae, melifaro, olivier, rwatson
Approved by: re (glebius)
Sponsored by: Rubicon Communications (Netgate)
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Add a simple manpage for the cfi(4) and associated cfid(4) drivers.
Sponsored by: DARPA, AFRL
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Update ismt(4) man page to reflect inclusion in upcoming 10.3 release.
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Provide yet another KPI for cdev creation, make_dev_s(9).
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that don't apply to stable/10 (driver API, if_inc_counter(), RSS changes
etc.) and modulo r287465 (which reportedly breaks igb(4)), i. e. assorted
fixes and improvements only:
o MFC r267385 (partial):
- Don't compare bus_dma map pointers for static DMA allocations against
NULL to determine if bus_dmamap_unload() or bus_dmamem_free() should be
called. Instead, check the associated bus and virtual addresses.
- Don't clear static DMA maps to NULL.
o MFC r284933:
Delete the refernce to VLAN handling being disabled by default. This is
no longer the case. [1]
o MFC r285639:
Add an adapter CORE lock in the DDB hook em_dump_queue to avoid WITNESS
panic in em_init_locked() while debugging.
o MFC r285879:
- Remove unused txd_saved.
- Intialize txd_upper, txd_lower and txd_used at declaration.
o MFC r286162:
Free mbufs when busdma loading fails.
o MFC r286829:
Add capability to disable CRC stripping as it breaks IPMI/BMC capabilities
on certain adatpers. [2]
o MFC r286831: [3]
- Increase EM_MAX_SCATTER to 64 such that the size of em_xmit()::
segs[EM_MAX_SCATTER] doesn't get overrun by things like NFS that can
and do shove more than 32 segs when being used with em(4) and TSO4.
- Update tso handling code in em_xmit() with update from jhb@
- Set if_hw_tsomax, if_hw_tsomaxsegcount and if_hw_tsomaxsegsize to
appropriate values.
- Define a TSO workaround "magic" number of 4 that is used to avoid an
alignment issue in hardware.
- Change a couple of integer values that were used as booleans to actual
bool types.
- Ensure that em_enable_intr() enables the appropriate mask of interrupts
and not just a hardcoded define of values.
o MFC r286832:
e1000/if_lem.c bump to 1.1.0
o MFC r286833:
Bump all copywrite dates to 2015.
o MFC r287112:
Style/whitespace cleanup in shared/common code.
o MFC r293331:
- Switch em(4) to the extended RX descriptor format.
- Split rxbuffer and txbuffer apart to support the new RX descriptor
format structures. Move rxbuffer manipulation to em_setup_rxdesc() to
unify the new behavior changes.
- Add a RSSKEYLEN macro for help in generating the RSSKEY data structures
in the card.
- Change em_receive_checksum() to process the new rxdescriptor format
status bit.
o MFC r293332:
Disable the reuse of checksum offload context descriptors in the case
of multiple queues in em(4). Document errata in the code.
o MFC r293854:
Given that em(4), lem(4) and igb(4) hardware doesn't require the
alignment guarantees provided by m_defrag(9), use m_collapse(9)
instead for performance reasons.
While at it, sanitize the statistics softc members, i. e. retire
unused ones and add SYSCTL nodes missing for actually used ones.
PR: 118693 [1], 161277 [2], 195078 [3], 199174 [3], 200221 [3]
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286974:
Remove reference to non-existent kern_openat(9).
291653:
The cdevpriv_dtr_t typedef was not able to be used in a function prototype
like the various d_*_t typedefs since it declared a function pointer rather
than a function. Add a new d_priv_dtor_t typedef that declares the function
and can be used as a function prototype. The previous typedef wasn't
useful outside of the cdevpriv implementation, so retire it.
The name d_priv_dtor_t was chosen to be more consistent with cdev methods
since it is commonly used in place of d_close_t even though it is not a
direct pointer in struct cdevsw.
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PR: 205778
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sfxge: support FATSOv2
Reviewed by: gnn
Sponsored by: Solarflare Communications, Inc.
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Add accessor methods to fetch the BAR holding the MSI-X table and PBA.
While here, explicitly note the requirement that the BAR(s) must be
allocated prior to calling pci_alloc_msix().
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Restore uart PPS signal capture polarity to its historical norm, and add an
option to invert the polarity in software. Also add an option to capture
very narrow pulses by using the hardware's MSR delta-bit capability of
latching line state changes.
Relnotes: yes
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sfxge: support for MCDI logging implemented
Submitted by: Artem V. Andreev <Artem.Andreev at oktetlabs.ru>
Sponsored by: Solarflare Communications, Inc.
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Document the sctp blackhole sysctl MIB
PR: 184110
Submitted by: Marie Helene Kvello-Aune <marieheleneka@gmail.com>
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Document iSCSI and autofs(5) variables in rc.conf(5).
Sponsored by: The FreeBSD Foundation
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It's 2015, and some people are still trying to use fdisk and then
go asking what debug flags to set for GEOM to make it work. Advice
them to use gpart(8) instead.
Something similar should probably done with disklabel,
but I need to rewrite the disklabel examples first.
Sponsored by: The FreeBSD Foundation
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Point potential geom_fox(4) users to gmultipath(8).
Sponsored by: The FreeBSD Foundation
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Add ismt(4) driver.
ismt(4) supports the SMBus Message Transport controller found on Intel
C2000 series (Avoton) and S1200 series (Briarwood) Atom SoCs.
Relnotes: Yes
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nvme: add hw.nvme.min_cpus_per_ioq tunable
Due to FreeBSD system-wide limits on number of MSI-X vectors
(https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199321),
it may be desirable to allocate fewer than the maximum number
of vectors for an NVMe device, in order to save vectors for
other devices (usually Ethernet) that can take better
advantage of them and may be probed after NVMe.
This tunable is expressed in terms of minimum number of CPUs
per I/O queue instead of max number of queues per controller,
to allow for a more even distribution of CPUs per queue. This
avoids cases where some number of CPUs have a dedicated queue,
but other CPUs need to share queues. Ideally the PR referenced
above will eventually be fixed and the mechanism implemented
here becomes obsolete anyways.
While here, fix a bug in the CPUs per I/O queue calculation to
properly account for the admin queue's MSI-X vector.
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