Some of the changes in this release:
* Large LLQ headers,
* Bug/stability fixes,
* Change of the README/Documentation.
Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
Bring the obsolete man page up to date:
* update diagnostic error messages
* add documentation of loader tunables
* document netmap support
* add a driver history section
* update the contact information
Submitted by: Artur Rojek <ar@semihalf.com>
Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
Update the driver in order not to break its compilation
and make use of the new ENA logging system
Migrate platform code to the new logging system provided by ena_com
layer.
Make ENA_INFO the new default log level.
Remove all explicit use of `device_printf`, all new logs requiring one
of the log macros to be used.
IO queue related attributes are registered statically at driver attach
with the rest of the ENA specific sysctl nodes. However, the number of
queues can be changed at runtime via the `ena_sysctl_io_queues_nb`
request, leading to a potential exposure of attributes for non-existing
queues.
Introduce a new `ena_sysctl_update_queue_node_nb` function, which
updates the sysctl nodes after the number of queues is altered.
This happens by either registering or unregistering node specific oids,
based on a delta between the previous and current queue count.
NOTE: All unregistered oids must be registered again before the driver
detach, e.g. by another call to this function.
Submitted by: Artur Rojek <ar@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
Calling free on a NULL pointer is valid, as appropriate check is already
done internally:
/* free(NULL, ...) does nothing */
if (addr == NULL)
return;
Submitted by: Artur Rojek <ar@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
Default LLQ (Low-latency queue) maximum header size is 96 bytes and can
be too small for some types of packets - like IPv6 packets with multiple
extension. This can be fixed, by using large LLQ headers.
If the device supports larger LLQ headers, the user can activate this
feature by setting sysctl tunable 'hw.ena.force_large_llq_header' to '1'
in the /boot/loader.conf file.
In case the device isn't supporting this feature, the default value (96B)
will be used.
Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
According to man style(9), only C-style comments should be used.
Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
Introduce a new logging system, which replaces the old logging method.
All logs are now displayed in `device_printf` format, requiring
`adapter->pdev` to be passed down to `ena_log`. Whenever that's
impossible, a `printf` wrapped `ena_log_raw` is provided.
For netmap logs, `ena_log_nm` is available, prepending "[nm] " to
an `ena_log` formatted message.
Tx/Rx data path logs are now printed via `ena_log_io`. This allows them
to be conditionally compiled out, depending on the presence of
ENA_LOG_IO_ENABLE compilation flag. By default this flag is disabled.
All `ena_trc_*` ena_com level messages are now also wrapped around
`ena_log` and require `ena_dev->dmadev` to be present.
There are four log levels:
* 0 - ENA_ERR - enable driver error messages and ena_com error logs,
* 1 - ENA_WARN - enable logs for non-critical errors,
* 2 - ENA_INFO - make the driver more verbose about its actions,
* 3 - ENA_DBG - enable debug logs
Please see `ena_fbsd_log.h` for implementation details.
Submitted by: Artur Rojek <ar@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
Implement support for the NXP LS1028A SoC MDIO controller.
It is attached to the internal PCI root complex.
The controller is used to communicate with PHYs of ports connected
to the internal switch.
Submitted by: Lukasz Hajec <lha@semihalf.com>
Reviewed by: manu
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30731
ENETC it a gigabit Ethernet controller found on the LS1028A board.
It supports basic VLAN offloads - tag extraction, injection and hardware
filtering. Inband MDIO connectivity is used for link status
monitoring through the miibus interface. Fixed-link mode is also
supported, which allows for operation of internal cpu to switch port.
Since no admin interrupts are present in hardware, link status polling
has to be used.
Due to a hardware bug software reset of the NIC results in a external
abort. Because of that most of the hardware initialization is done
during attach. This also means that in the case of an fatal error full
board reset is required.
The enetc_hw.h header was imporoted from Linux. It is dual licensed.
Submitted by: Kornel Duleba <mindal@semihalf.com>
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30729
Provide common MDIO code for two LS1028 ENETC controllers -
an external one found on the PCI bus and internal one found in ENETC.
Submitted by: Lukasz Hajec <lha@semihalf.com>
Reviewed by: manu
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30730
ENETC NIC found in LS1028A has a bug where clearing TX pidx/cidx
causes the ring to hang after being re-enabled.
Add a new flag, if set iflib will preserve the indices during restart.
Submitted by: Kornel Duleba <mindal@semihalf.com>
Reviewed by: gallatin, erj
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30728
By definition ofw_bus_get_node() should consistently return -1 when there
is no associated OF node.
MFC after: 4 weeks
Discussed with: nwhitehorn
Analyzed in: https://reviews.freebsd.org/D30761
The "function entry" needs to be recorded with TSRAW() rather than
TSENTER() since curthread is not yet defined. (The same approach
is taken in amd64's hammer_time.)
The warning message "ERROR loading DTB" (for systems without a device
tree blob) is printed extremely early in the boot process -- among
other things, before curthread or other pcpu data has been set up.
Unfortunately, printf is instrumented with TSLOG, which cannot run
quite this early.
Wrap the printf in #ifndef TSLOG; the situations where the printf
will be useful are not ones where TSLOG would be in use.
Revise pmap_remove_l2() to use the constant-time function page_to_pvh()
instead of the linear-time function pa_to_pvh().
Reviewed by: kib, markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D30876
so that libc vdso and kernel syscall give closer results.
Reported by: dchagin
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D30873
Call binuptime inside switch statement, instead of pre-calculating
the abs argument.
Change the type of the abs argument to bool.
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D30873
After 34766aa8cb we are mounting and
unmounting devfs elsewhere already.
Reviewed by: nwhitehorn
MFC after: 1 week
Sponsored by: iXsystems, Inc.
Differential Revision: https://reviews.freebsd.org/D30877
This effectively causes syncing of the mount point from softdep_prealloc(),
softdep_prerename(), and softdep_prelink(). Typically it avoids the need
for journal suspension at this point, at all.
Suggested and reviewed by: mckusick
Discussed with: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D30041
We call into softdep_prerename() and softdep_prelink() when there is
low free space in the journal. Functions sync all vnodes participating
in the VOP, in the hope that this would reduce journal utilization. But
if the vnodes are already synced, doing sync would only spend writes,
journal is filled not due to the records from modifications of our
vnodes.
Remember original seqc numbers for vnodes, and only initiate syncs when
seqc changed.
Reviewed by: mckusick
Discussed with: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D30041
so call it only in SU+J case
Reviewed by: mckusick
Discussed with: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D30041
Allocate nameidata on stack and NDPREINIT() it, for compatibility with
assumptions from other filesystems' lookup code.
Reviewed by: mckusick
Discussed with: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D30041
Its intent is to do the initialization of the future part of struct nameidata
which should be used across several namei() and VOPs. Right now it is NOP.
Reviewed by: mckusick
Discussed with: markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D30041
The page table entry for a 4KB page mapping must be valid if a PV entry
for the mapping exists, so there is no point in testing each page table
entry's validity when iterating over a PV list.
Reviewed by: kib, markj
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D30875
When allocating the mbuf we used m_get2 which fails
if len is superior to MJUMPAGESIZE, if its the case,
use m_getjcl instead.
Reviewed by: kp@
PR: 205164
Pull Request: https://github.com/freebsd/freebsd-src/pull/131
Add devd event on network iface address add/remove. Can be used to
automate actions on any address change.
Reviewed by: imp@ (and minor style tweaks)
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D30840
Compiling libalias results in warnings about unused functions.
Those warnings are caused by clang's heuristic to consider an inline
function as in use, iff the declaration is in a *.c file.
Declarations in *.h files do not emit those warnings.
Hence the declarations must be moved to an extra *.h file.
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D30844
ddfc9c4c59 was missing changes to two files to complete the
bus_child_pnpinfo_str->bus_child_pnpinfo. This fixes the broken kernel
builds.
Sponsored by: Netflix
Now that the upper layers all go through a layer to tie into these
information functions that translates an sbuf into char * and len. The
current interface suffers issues of what to do in cases of truncation,
etc. Instead, migrate all these functions to using struct sbuf and these
issues go away. The caller is also in charge of any memory allocation
and/or expansion that's needed during this process.
Create a bus_generic_child_{pnpinfo,location} and make it default. It
just returns success. This is for those busses that have no information
for these items. Migrate the now-empty routines to using this as
appropriate.
Document these new interfaces with man pages, and oversight from before.
Reviewed by: jhb, bcr
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D29937
tcp_twcheck now expects a read lock on the inp for the SYN case
instead of a write lock.
Reviewed by: np
Fixes: 1db08fbe3f tcp_input: always request read-locking of PCB for any pure SYN segment.
Sponsored by: Chelsio Communications
Differential Revision: https://reviews.freebsd.org/D30782
If the connection is in the process of disconnecting, ic_socket can be
NULL. For icl_cxgbei_conn_transfer_setup(), lock the connection and
check ic_socket before using it. For icl_cxgbei_conn_task_setup(),
the caller already holds the connection lock, so assert it and bail
early with ECONNRESET if the connection is disconnecting.
Reported by: Jithesh Arakkan @ Chelsio
Fixes: f949967c8e cxgbei: Fix a race between transfer setup and a peer reset.
are unneccessary and used to be there before TFO as an invariant. With
TFO and after 8d5719aa74 the "so" value is still needed.
Reported & tested by: tuexen
Fixes: 8d5719aa74
Merge commit 789708617d20 from llvm git (Koutheir Attouchi):
Do not generate calls to the 128-bit function __multi3() on 32-bit ARM
Re-applying this patch after bots failures. Should be fine now.
The function __multi3() is undefined on 32-bit ARM, so a call to it should
never be emitted. Instead, plain instructions need to be generated to
perform 128-bit multiplications.
Differential Revision: https://reviews.llvm.org/D103906
Reported by: mmel
MFC after: 3 days
It turned out that the (type)DTYPE_MAX conversions at the top of
s_lround.c are now emitted as cvtsi2sd instructions, at least on SSE
capable CPUs. This caused the FE_INEXACT flag to always be set, at least
for the double and float variants. Under clang 11, the whole INRANGE()
comparisons were still optimized away, but this has "improved" in clang
12, due to stricter adherence to the -ffp-exception-behavior=maytrap
compiler flag.
To avoid run-time integer to float conversions, use static constants
instead, so they are computed at compile time, and the INRANGE()
statements are optimized away again, if applicable.
While here, use an integer instead of a floating type to store the test
results in lround_test.c, as this is more appropriate, and we can also
drop the volatile hack.
Reported by: arichardson
MFC after: 3 days
