des [Tue, 19 Jan 2016 18:38:17 +0000 (18:38 +0000)]
Re-add HPN configuration options as deprecated options to avoid breaking
existing configurations that use them. Note that there is no functional
difference between OpenSSH with HPN and OpenSSH without HPN.
asomers [Tue, 19 Jan 2016 17:00:25 +0000 (17:00 +0000)]
Disallow zvol-backed ZFS pools
Using zvols as backing devices for ZFS pools is fraught with panics and
deadlocks. For example, attempting to online a missing device in the
presence of a zvol can cause a panic when vdev_geom tastes the zvol. Better
to completely disable vdev_geom from ever opening a zvol. The solution
relies on setting a thread-local variable during vdev_geom_open, and
returning EOPNOTSUPP during zvol_open if that thread-local variable is set.
Remove the check for MUTEX_HELD(&zfsdev_state_lock) in zvol_open. Its intent
was to prevent a recursive mutex acquisition panic. However, the new check
for the thread-local variable also fixes that problem.
Also, fix a panic in vdev_geom_taste_orphan. For an unknown reason, this
function was set to panic. But it can occur that a device disappears during
tasting, and it causes no problems to ignore this departure.
hselasky [Tue, 19 Jan 2016 15:33:28 +0000 (15:33 +0000)]
Add optimizing LRO wrapper:
- Add optimizing LRO wrapper which pre-sorts all incoming packets
according to the hash type and flowid. This prevents exhaustion of
the LRO entries due to too many connections at the same time.
Testing using a larger number of higher bandwidth TCP connections
showed that the incoming ACK packet aggregation rate increased from
~1.3:1 to almost 3:1. Another test showed that for a number of TCP
connections greater than 16 per hardware receive ring, where 8 TCP
connections was the LRO active entry limit, there was a significant
improvement in throughput due to being able to fully aggregate more
than 8 TCP stream. For very few very high bandwidth TCP streams, the
optimizing LRO wrapper will add CPU usage instead of reducing CPU
usage. This is expected. Network drivers which want to use the
optimizing LRO wrapper needs to call "tcp_lro_queue_mbuf()" instead
of "tcp_lro_rx()" and "tcp_lro_flush_all()" instead of
"tcp_lro_flush()". Further the LRO control structure must be
initialized using "tcp_lro_init_args()" passing a non-zero number
into the "lro_mbufs" argument.
- Make LRO statistics 64-bit. Previously 32-bit integers were used for
statistics which can be prone to wrap-around. Fix this while at it
and update all SYSCTL's which expose LRO statistics.
- Ensure all data is freed when destroying a LRO control structures,
especially leftover LRO entries.
- Reduce number of memory allocations needed when setting up a LRO
control structure by precomputing the total amount of memory needed.
- Add own memory allocation counter for LRO.
- Bump the FreeBSD version to force recompilation of all KLDs due to
change of the LRO control structure size.
bapt [Tue, 19 Jan 2016 15:02:37 +0000 (15:02 +0000)]
Test for /etc/ssl/cert.pem existence to avoid masking SSL_CA_CERT_PATH
Prior to this patch, unless SSL_CA_CERT_FILE is set in the environment,
libfetch will set the CA file to "/usr/local/etc/cert.pem" if it exists,
and to "/etc/ssl/cert.pem" otherwise. This has the consequence of
masking SSL_CA_CERT_PATH, because OpenSSL will ignore the CA path if a CA
file is set but fails to load (see X509_STORE_load_locations()).
While here, fall back to OpenSSL defaults if neither SSL_CA_CERT_FILE nor
SSL_CA_CERT_PATH are set in the environment, and if neither of the
libfetch default CA files exists.
PR: 193871
Submitted by: John W. O'Brien <john@saltant.com>
Approved by: des
MFC after: 1 week
des [Tue, 19 Jan 2016 12:38:53 +0000 (12:38 +0000)]
Update the pre- and post-merge scripts to work correctly after the recent
cleanup. A round-trip (./freebsd-pre-merge.sh ; ./freebsd-post-merge.sh)
now results in an unchanged working copy.
kib [Tue, 19 Jan 2016 08:04:02 +0000 (08:04 +0000)]
Clear whole XMM register file instead of only XMM0. Also clear x87
registers. This brings amd64 on par with i386, providing consistent
initial FPU state.
Note that we do not clear any extended state, at least because kernel
does not understand extended state structure and consequences of zero
overwrite after fninit()/fpusave().
arybchik [Tue, 19 Jan 2016 06:07:39 +0000 (06:07 +0000)]
sfxge: improve error handling in ef10_ev_rx()
Ensure that checksum flags and L3/L4 fields are ignored
if lower level errors are reported in the event.
Remove checks for CRC0_ERR (bad iSCSI header CRC) and
CRC1_ERR (bad iSCSI payload or FCoE/FCoIP CRC) as they
are not used by any existing code.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days
Differential Revision: https://reviews.freebsd.org/D4975
arybchik [Tue, 19 Jan 2016 06:03:44 +0000 (06:03 +0000)]
sfxge: select whether to read current or backup partition in Medford A/B scheme
The dynamic config on Medford is stored using two partitions in flash, and at
any time one is the 'current' partition, used to provide the active config,
and the other 'backup' partition is used for writes. This means that there
are two potential partitions that can be used to service reads, and which is
required can depend on, for example, whether the read is to get the current
contents or to verify a write.
When the partition write lock is held, the default behaviour is to read from
the backup partition, which was wrong for most reads in the common code which
require the current partition. This change allows the current partition to be
read whilst the write lock is held.
There is one read in Manftest which needs the backup partition.
ef10_nvram_partn_read_mode() is created to avoid changing
ef10_nvram_partn_read() which shares a prototype with the equivalent Falcon
and Siena methods.
MC_CMD_NVRAM_READ_IN_V2 adds an extra field, but firmware which doesn't support
it just ignores it.
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days
Differential Revision: https://reviews.freebsd.org/D4974
jhibbits [Tue, 19 Jan 2016 03:07:25 +0000 (03:07 +0000)]
Hide most of the PTE initialization and management.
By confining the page table management to a handful of functions it'll be
easier to modify the page table scheme without affecting other functions.
This will be necessary when 64-bit support is added, and page tables become
much larger.
markj [Mon, 18 Jan 2016 22:21:46 +0000 (22:21 +0000)]
Add vrefl(), a locked variant of vref(9).
This API has no in-tree consumers at the moment but is useful to at least
one out-of-tree consumer, and naturally complements existing vnode refcount
functions (vholdl(9), vdropl(9)).
imp [Mon, 18 Jan 2016 21:40:20 +0000 (21:40 +0000)]
Restore ABI variants now that ldconfig groks -soft. In addition, as a
transition mechanism, if we don't have /usr/libsoft, assume that soft
float ABI binaries are the default, so treat them as default binaries.
When we've fully transitioned, it will make no sense to do this stat,
and it will be removed.
andrew [Mon, 18 Jan 2016 20:22:51 +0000 (20:22 +0000)]
Reset the filesystem cache before reading from a potentially new
filesystem. Without this we only read from the first UFS filesystem we
find, caching the result.
arybchik [Mon, 18 Jan 2016 06:19:28 +0000 (06:19 +0000)]
sfxge: if supported by firmware, use enhanced SET_MAC command to only configure the MTU
This allows an MTU change to be requested on unpriviliged functions
without also setting all the other parameters supported by MC_CMD_SET_MAC.
The enhanced SET_MAC command was introduced in v4_7 firmware.
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days
Differential Revision: https://reviews.freebsd.org/D4958
arybchik [Mon, 18 Jan 2016 06:13:09 +0000 (06:13 +0000)]
sfxge: convert nvram write method to use partition id
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days
Differential Revision: https://reviews.freebsd.org/D4961
adrian [Mon, 18 Jan 2016 05:43:34 +0000 (05:43 +0000)]
[iwm] fix up the rate control setup code to initialise rates in the order
we want to use it.
The rate table was being initialised in low->high, but the link quality
table was being initialised high->low. So, when we did a lookup, we
would get the indexes wrong.
This started by a patch from dragonflybsd which reversed how the ni->in_ridx[]
array is being used; I'd rather it all be consistent. So, this is consistent.
Inspired by: what I did to iwn(4) a while ago
Inspired by: DragonflyBSD; <imre@vdsz.com>
andrew [Mon, 18 Jan 2016 00:07:04 +0000 (00:07 +0000)]
Add extra checks to make sure the size is valid. We may get an integer
underflow when we have small blocks of memory at the start and end of the
32-bit address range.
While here, only insert mappings pointing at a non-zero amount of memory.
ian [Sun, 17 Jan 2016 21:19:45 +0000 (21:19 +0000)]
Make PPS ASSERT/CLEAR events match the RS-232 signal levels as per RFC 2783.
Previously the polarity was for TTL levels, which are the reverse of RS-232.
Also add handling of the UART_PPS_INVERT_PULSE option bit in the sysctl
value, the same as was recently added to uart(4), so that people using TTL
level connections can request a logical inverting of the signal.
Use the named constants from the new dev/uart/uart_ppstypes.h for the pps
capture modes and option bits.
kib [Sun, 17 Jan 2016 08:40:51 +0000 (08:40 +0000)]
When cleaning up from failed adv locking and checking for write, do
not call VOP_CLOSE() manually. Instead, delegate the close to
fo_close() performed as part of the fdrop() on the file failed to
open. For this, finish constructing file on error, in particular, set
f_vnode and f_ops.
Forcibly resetting f_ops to badfileops disabled additional cleanups
performed by fo_close() for some file types, in this case it was noted
that cdevpriv data was corrupted. Since fo_close() call must be
enabled for some file types, it makes more sense to enable it for all
files opened through vn_open_cred().
In collaboration with: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
arybchik [Sun, 17 Jan 2016 05:12:37 +0000 (05:12 +0000)]
sfxge: convert nvram erase method to use partition id
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days
Differential Revision: https://reviews.freebsd.org/D4957
avos [Sun, 17 Jan 2016 00:52:21 +0000 (00:52 +0000)]
urtwn: add ROM structure for RTL8188EU
- Add the structure with already known fields offsets
(some of them were taken from this driver,
some (channel_plan, rf_* fields) - from TP-LINK official driver)
- Fix a typo / dehardcode a constant in RTL8192C ROM structure.
Tested with RTL8188EU, STA mode
Reviewed by: kevlo
Approved by: adrian (mentor)
Differential Revision: https://reviews.freebsd.org/D4274
jamie [Sat, 16 Jan 2016 22:32:57 +0000 (22:32 +0000)]
Don't bother checking an ip[46].addr netmask/prefixlen. This is already
handled by ifconfig, and it was doing it wrong when the paramater included
extra ifconfig options.
allanjude [Sat, 16 Jan 2016 19:25:16 +0000 (19:25 +0000)]
Never 4k align the MBR bootpool because zfsldr can not deal with a gap
If the bootpool does not start at the first sector of the BSD partition
then zfsldr seeks to the wrong offset inside the ZFS vdev label, and is
unable to find zfsboot, so the system does not boot
If 4k alignment is requested, align the BSD partition in the MBR table,
and align the swap and data pool, but the bootpool must start at sector 1
While here, if 4k alignment is requested, disable MBR CHS alignment, as
this results in not-4k aligned partitions.
Reported by: Alex Wilkinson
MFC after: 5 days
Sponsored by: ScaleEngine Inc.
andrew [Sat, 16 Jan 2016 10:12:50 +0000 (10:12 +0000)]
Use __ARM_ARCH to decide when ARM_TP_ADDRESS needs to be set. This fixes
an issue with clang 3.8.0 where none of the __ARM_ARCH_*__ macros were
defined on some ARMv6 kernel configs.
kib [Sat, 16 Jan 2016 10:06:33 +0000 (10:06 +0000)]
Busy the mount point which is the owner of the audit vnode, around
audit_record_write(). This is important so that VFS_STATFS() is not
done on the NULL or freed mp and the check for free space is
consistent with the vnode used for write.
Add vn_start_write() braces around VOP_FSYNC() calls on the audit vnode.
Move repeated code to fsync vnode and panic to the helper
audit_worker_sync_vp().
Reviewed by: rwatson
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
imp [Sat, 16 Jan 2016 05:47:34 +0000 (05:47 +0000)]
We don't need at91_bs_tag. arm_base_bs_tag works now that we have
better dynamic device mapping that didn't exit when we started this
port. Remove it, since everything works w/o it.
imp [Sat, 16 Jan 2016 04:47:32 +0000 (04:47 +0000)]
Move ohci files to their proper place in the tree for atmel.
Fix when it is included (we don't have a at91rm9200 device).
From a similar patch in the PR, with tweaked names.
alc [Sat, 16 Jan 2016 04:41:40 +0000 (04:41 +0000)]
A fix to r292469: Iterate over the physical segments in descending rather
than ascending order in vm_phys_alloc_contig() so that, for example, a
sequence of contigmalloc(low=0, high=4GB) calls doesn't exhaust the supply
of low physical memory resulting in a later contigmalloc(low=0, high=1MB)
failure.
ngie [Sat, 16 Jan 2016 02:18:36 +0000 (02:18 +0000)]
Fix warnings with clang/gcc
- Get rid of unused argc/argv variables in main
- Exit on failure with a return code of 1 instead of -1 with err/errx as a
return code of -1 is implementation dependent
- Bump WARNS to 6
ngie [Sat, 16 Jan 2016 02:15:13 +0000 (02:15 +0000)]
Fix warnings with gcc 5.0
reconnect.c:
- Convert the K&R prototype of main to an ANSI prototype to mute a
warning from gcc 4.2.1
- Close s_sock2 after finishing off the last test to plug a leak and
mute a warning from gcc 5.0 about a -Wunused-but-set variable
sendfile.c:
- Fix a -Wunused-but-set warning with gcc 5.0 with pagesize in main(..)
ngie [Sat, 16 Jan 2016 02:02:50 +0000 (02:02 +0000)]
Test for EPROTOTYPE not EPROTONOSUPPORT
- `SOCK_RAW` is the implied supported type parameter for socket(2) per route(4)
- localsw in `sys/kern/uipc_usrreq.c` doesn't have an entry for `SOCK_RAW`, so
the prototype is invalid (this isn't explicitly documented anywhere I could
find)
bdrewery [Fri, 15 Jan 2016 22:08:58 +0000 (22:08 +0000)]
FAST_DEPEND: Fix incremental builds leading to kernel panics.
This fixes .depend.genassym.o not being included. genassym.o depends on
all of the system headers and when rebuilt regenerates assym.s which
lists offsets for critial .S files to utilize. By having a struct in a
system header change its offsets and not have generassym.o be rebuilt,
this would lead to panics.
The flaw in the initial commit was seeing ${OBJS} in ${SYSTEM_OBJS} and
assuming it had all of ${SRCS} in it. This is not the case though. The
older mkdep code splits out all of the various SRC lists for generating
the .depend file. It also includes ${GEN_CFILES}, which had genassym.c
and was the only significant file lacking from ${SYSTEM_OBJS} upon inspection,
since it is not linked in. Rather than duplicate the likely
soon-to-be-removed mkdep lists, just add genassym.o to the DEPENDOBJS
list. Using ${SRCS} as bsd.dep.mk does would be nice but there are many
files in the build that are only added to ${OBJS} and not ${SRCS}, such
as bf_enc.o derived from bf_enc.S for i386.
Sponsored by: EMC / Isilon Storage Division
Reported by: dhw (several panics on current@)
Pointyhat to: bdrewery
bdrewery [Fri, 15 Jan 2016 22:08:51 +0000 (22:08 +0000)]
FAST_DEPEND: Rework optimization for r290524.
The .MAKEFLAGS check inside of the .for loop is extremely slow for some
reason. Just moving it out of the loop trimmed -V lookup time from 11
seconds to 1 second in the kernel obj directory.
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