Now that we've switched over to using the vDSO on CloudABI, it becomes a
lot easier for us to phase out old features. System call numbering is no
longer something that's part of the ABI. It's fully based on names. As
long as the numbering used by the kernel and the vDSO is consistent
(which it always is), it's all right.
Let's put this to the test by removing a system call (thread_tcb_set())
that's already unused for quite some time now, but was only left intact
to serve as a placeholder. Sync in the new system call table that uses
alphabetic sorting of system calls.
Obtained from: https://github.com/NuxiNL/cloudabi
- Avoid double use of "request" in a single sentence. Instead, describe
aio_sigevent as being used to request notification of the associated
operation's completion. This matches the language used to describe
aio_sigevent in aio(4).
- Simplify the prohibition on modifying buffers while requests are in
flight.
- Fix case mismatch.
- Drop note about not using stack variables. C programmers should be able
to figure out if a stack variable is safe based on the later warning
about the life cycle requirements of control blocks.
- Remove prohibition on modifying the I/O buffer for aio_fsync() since
it does not use an I/O buffer. For aio_mlock(), prohibit modifications
to the mapping (e.g. due to mprotect, munmap, mmap, etc.) but do not
prohibit modifications to the memory backing the buffer (stores into
the pages backing the buffer).
Requested by: wblock (1,2), kib (4)
Reviewed by: kib, rpokala, wblock
MFC after: 3 days
Sponsored by: Chelsio Communications
Differential Revision: https://reviews.freebsd.org/D7462
- Read interrupt properties at bus enumeration time and store
it into global mapping table.
- At bus_activate_resource() time, given mapping entry is resolved and
connected to real interrupt source. A copy of mapping entry is attached
to given resource.
- At bus_setup_intr() time, mapping entry stored in resource is used
for delivery of requested interrupt configuration.
- For MSI/MSIX interrupts, mapping entry is created within
pci_alloc_msi()/pci_alloc_msix() call.
- For legacy PCI interrupts, mapping entry must be created within
pcib_route_interrupt() by pcib driver itself.
Reviewed by: nwhitehorn, andrew
Differential Revision: https://reviews.freebsd.org/D7493
And don't recreate RXBUF for each primary channel open, it is now
created in device_attach DEVMETHOD and destroyed in device_detach
DEVMETHOD.
MFC after: 1 week
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D7556
[set] notation. This fixes pattern matching for recently added drives
that would set the NCQ Trim being broken incorrectly.
PR: 210686
Tested-by: Tomoaki AOKI
MFC After: 3 days
alternate superblock location when given in the -b option. When int
is 32-bits, block numbers larger than 2^32 would get truncated. This
commit changes the storage fpr the alternate superblock location
to a ufs2_daddr_t.
Submitted by: Dmitry Sivachenko <trtrmitya@gmail.com>
in_broadcast() was iterating over the ifnet address list without
first taking an IF_ADDR_RLOCK. This could cause a panic if a
concurrent operation modified the list.
Reviewed by: bz
MFC after: 2 months
Sponsored by: EMC / Isilon Storage Division
Differential Revision: https://reviews.freebsd.org/D7227
in_broadcast() can be quite expensive, so skip calling it if the
incoming mbuf wasn't sent to a broadcast L2 address in the first
place.
Reviewed by: gnn
MFC after: 2 months
Sponsored by: EMC / Isilon Storage Division
Differential Revision: https://reviews.freebsd.org/D7309
For almost every packet that is transmitted through ip_output(),
a call to in_broadcast() was made to decide if the destination
IP was a broadcast address. in_broadcast() iterates over the
ifnet's address to find a source IP matching the subnet of the
destination IP, and then checks if the IP is a broadcast in that
subnet.
This is completely redundant as we have already performed the
route lookup, so the source IP is already known. Just use that
address to directly check whether the destination IP is a
broadcast address or not.
MFC after: 2 months
Sponsored By: EMC / Isilon Storage Division
Differential Revision: https://reviews.freebsd.org/D7266
Have it print the contents of aggregations, if any. Otherwise, one needs to
kill the running script to view the collected data, or add code to
periodically print it.
Discussed with: gnn
MFC after: 1 month
On the first switch we previously released the newly allocated keyboard
instead of the old one. Keyboard state was very confused afterwards for
further keyboard switches.
Submitted by: bde
nat64_getlasthdr() returns an int, which can be -1 in case of error,
storing the result in an uint8_t and then comparing to < 0 is not
helpful. Do what is done in the rest of the code and make proto an
int here as well.
by returning success on FIONBIO and FIOASYNC IOCTLs. The actual flags
handling is done by the kern_ioctl() function.
Reported by: Alex Bowden <alex.bowden@outlook.com>
Sponsored by: Mellanox Technologies
MFC after: 1 week
axge_setmulti()/axge_setpromisc() with axge_rxfilter().
Multicast filter programming and promiscuous mode requires
access to a common RX configuration register so there is no need to
use separate functions with added complexity. axge_rxfilter() does
not read back AXGE_RCR register since accessing a register in USB
is too slow and we already have all knowledge of required
configuration. Rebuilding RX filter configuration is simpler and
faster than manipulating every bits after reading back the
register.
Note, axge_rxfilter() does not set RCR_IPE(IP header alignment on
32bit boundary) to disable extra padding bytes insertion. The
extra padding wastes ethernet to USB host bandwidth as well as
complicating RX handling logic. Current USB framework requires
copying RX frames to mbufs so there is no need to worry about
alignment. Previously axge_rx_frame() performed wrong bound check
due to the extra padding and it was broken when RX checksum
offloading is disabled. See added comment in axge_rx_frame () for
actual RX packet layout.
In axge_init(), disable WOL. It's meaningless to enable WOL in
normal operation.
In axge_rxeof(), use properly sized mbuf rather than blindly
allocating a mbuf cluster.
Use RX H/W checksum offloading only when administrator requested RX
checksum offloading. Previously it always used RX H/W checksum
offloading result regardless of RX checksum offloading state.
Separate L4 checksum offloading validation from L3 one and properly
set required offloading bits for each layer. This is to fix setting
L4 checksum offloading bits for L3 packets.
There are still lots of RX errors(probably RX FIFO overflows) under
moderate load. Users are strongly recommended to enable ethernet
flow control.
Reviewed by: kevlo (initial version), hselasky
This paves to nuke netvsc_packet, which does not serves much
purpose now.
MFC after: 1 week
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D7541
structures. This simplifies mbuf copy operation to USB buffers as
well as improving readability. The controller supports Microsoft
LSOv1(aka TSO) but this change set does not include the support due
to copying overhead to USB buffers and large amount of memory waste.
Remove useless ZLP padding which seems to come from Linux. Required
bits the code tried to set was not copied into USB buffer so it had
no effect. Unlike Linux, FreeBSD USB stack automatically generates
ZLP so no explicit padding is required in driver.[1]
Micro-optimize updating IFCOUNTER_OPACKETS counter by moving it out
of TX loop since updating counter is not cheap operation as it did
long time ago and we already know how many number of packets were
queued after exiting the loop.
While here, fix a checksum offloading bug which will happen when
upper stack computes checksum while H/W checksum offloading is
active. The controller should be notified to not recompute the
checksum in this case.
Reviewed by: kevlo (initial version), hselasky
Pointed out by: hselasky [1]
Updated sha512 from illumos.
Using skein from freebsd crypto tree.
Since loader itself is using 64MB memory for heap, updated zfsboot to
use same, and this also allows to support zfs large blocks.
Note, adding additional features does increate zfsboot code, therefore
this update does increase zfsboot code to 128k, also I have ported gptldr.S
update to zfsldr.S to support 64k+ code.
With this update, boot1.efi has almost reached the current limit of the size
set for it, so one of the future patches for boot1.efi will need to
increase the limit.
Currently known missing zfs features in boot loader are edonr and gzip support.
Reviewed by: delphij, imp
Approved by: imp (mentor)
Obtained from: sha256.c update and skein_zfs.c stub from illumos.
Differential Revision: https://reviews.freebsd.org/D7418
[X86] AMD Bobcat CPU (btver1) doesn't support XSAVE
btver1 is a SSSE3/SSE4a only CPU - it doesn't have AVX and doesn't
support XSAVE.
Differential Revision: http://reviews.llvm.org/D17682
Pull in r262782 from upstream llvm trunk (by Simon Pilgrim):
[X86] AMD Bobcat CPU (btver1) doesn't support XSAVE
btver1 is a SSSE3/SSE4a only CPU - it doesn't have AVX and doesn't
support XSAVE.
Differential Revision: http://reviews.llvm.org/D17683
This ensures clang does not emit AVX instructions for CPUTYPE=btver1.
Reported by: Michel Depeige <demik+freebsd@lostwave.net>
PR: 211864
MFC after: 3 days
Allwinner Uniprocessor SoC.
As of now it works with A10 and A13 (and possibly R8 as it is the same as the A13).
Move files.a10 into a1o subdirectory as it should be.
Rename std.a10 into std.allwinner_up
This adds support for EARLY_PRINTF via the CFE console; the aim is to
provide a fix for the otherwise cyclic dependency between PMU discovery
and console printf/DELAY:
- We need to parse the bhnd(4) core table to determine the address (and
type) of the PMU/PLL registers and calculate the CPU clock frequency.
- The core table parsing code will emit a printf() if a parse error is
hit.
- Safely calling printf() without EARLY_PRINTF requires a working
DELAY+cninit, which means we need the PMU.
Errors in core table parsing shouldn't happen, but lack of EARLY_PRINTF
makes debugging more difficult.
Approved by: adrian (mentor)
Differential Revision: https://reviews.freebsd.org/D7498
Use netisr_get_cpuid() in netisr_select_cpuid() to limit cpuid value
returned by protocol to be sure that it is not greather than nws_count.
PR: 211836
Reviewed by: adrian
MFC after: 3 days
