Julien Grall [Mon, 5 Oct 2015 17:35:54 +0000 (18:35 +0100)]
xen/netfront: Add 2 bytes padding in the rx mbuf
The ethernet header size is not word aligned. Therefore the IP packet and so
on won't be align. On some architecture (such as ARM) unaligned access may
be slower and/or not supported. Therefore we might reveice an alignement
fault. To avoid this case, we need to pull-up the data of ETHER_ALIGN bytes.
I'm not sure how this patch will impact x86, we need to do some benchmarking
without and with it.
Furthermore, I don't know if m_copyup is the rigth function to use here. Can
any expert to the network stack can tell me if there is a better solution?
Julien Grall [Mon, 5 Oct 2015 17:35:43 +0000 (18:35 +0100)]
xen/blkfront: WRITE_BARRIER and FLUSH_DISKCACHE require barrier
For WRITE_BARRIER and FLUSH_DISKCACHE operation, we don't request any cache
operation. This will result to a panic in _bus_dmamap_sync on ARM because the
operation (op = 0) is not supported.
x86 platform doesn't seem to care about this and Xen is always requiring
memory shared with the backend to be cacheable. I'm wondering if we could drop
the call to bus_dmasync_map because the cache maintainance slows down the
process for no appareant reason?
For now, WRITE_BARRIER and FLUSH_DISKCACHE are an extension of the WRITE
command so require BUS_DMASYNC_PREWRITE for the cache maintenance operation.
Julien Grall [Sun, 4 Oct 2015 19:33:04 +0000 (20:33 +0100)]
xen: arm: Use __typeof__ rather than typeof
Typeof is not portable:
/usr/src/freebsd/sys/xen/hypervisor.h:93:2: error: implicit declaration
of function 'typeof' is invalid in C99
[-Werror,-Wimplicit-function-declaration]
Returning 0 in probe callback means: the driver can use this device. If by any
chance xencontrol is the first driver, every new device (which driver unset)
will use xencontrol.
Julien Grall [Tue, 14 Jan 2014 01:41:08 +0000 (01:41 +0000)]
xen/xenstore: xs_probe should return BUS_PROBE_NOWILDCARD
Returning 0 in probe callback means: the driver can use this device. If by any
chance xenstore is the first driver, every new device (which driver unset) will
use xenstore.
royger [Mon, 19 Oct 2015 14:20:06 +0000 (14:20 +0000)]
xen-netfront: purge page flipping support
Currently neither Linux nor FreeBSD netback supports page flipping. NetBSD
still supports that. It is not sure how many people actually use page
flipping, but page flipping is supposed to be slower than copying nowadays.
It will also shatter frontend / backend address space.
Overall this feature is more of a burden than a benefit.
Submitted by: Wei Liu <wei.liu2@citrix.com>
Reviewed by: royger
Differential Revision: https://reviews.freebsd.org/D3888
Sponsored by: Citrix Systems R&D
andrew [Mon, 19 Oct 2015 13:20:23 +0000 (13:20 +0000)]
Use 4 levels of page tables when enabling the MMU. This will allow us to
boot on an SoC that places physical memory at an address past where three
levels of page tables can access in an identity mapping.
Submitted by: Wojciech Macek <wma@semihalf.com>,
Patrick Wildt <patrick@bitrig.org>
Differential Revision: https://reviews.freebsd.org/D3885 (partial)
Differential Revision: https://reviews.freebsd.org/D3744
hselasky [Mon, 19 Oct 2015 12:44:41 +0000 (12:44 +0000)]
Merge LinuxKPI changes from DragonflyBSD:
- Redefine DIV_ROUND_UP as a function macro taking two arguments
instead of none.
- Implement more Linux kernel functions related to various forms
of DELAY() and basic mathematical operations.
hselasky [Mon, 19 Oct 2015 12:26:38 +0000 (12:26 +0000)]
Merge LinuxKPI changes from DragonflyBSD:
- Define the kref structure identical to the one found in Linux.
- Update clients referring inside the kref structure.
- Implement kref_sub() for FreeBSD.
hselasky [Mon, 19 Oct 2015 11:57:33 +0000 (11:57 +0000)]
Merge LinuxKPI changes from DragonflyBSD:
- Add more list related functions and macros.
- Update the hlist_for_each_entry() macro to take one less argument.
hselasky [Mon, 19 Oct 2015 11:46:48 +0000 (11:46 +0000)]
Merge LinuxKPI changes from DragonflyBSD:
- Reimplement ktime header file to distinguish more from Linux.
- Add new time header file to handle time related Linux functions.
hselasky [Mon, 19 Oct 2015 11:09:51 +0000 (11:09 +0000)]
Merge LinuxKPI changes from DragonflyBSD:
- Avoid using PAGE_MASK, because Linux defines it differently.
Use (PAGE_SIZE - 1) instead.
- Add support for for_each_sg_page() and sg_page_iter_dma_address().
hselasky [Mon, 19 Oct 2015 10:54:24 +0000 (10:54 +0000)]
Merge LinuxKPI changes from DragonflyBSD:
- Added support for multiple new Linux functions.
- Properly implement DEFINE_WAIT() and init_waitqueue_head() macros.
- Removed FreeBSD specific __wait_queue_head structure definition.
adrian [Mon, 19 Oct 2015 01:21:29 +0000 (01:21 +0000)]
otus(4) - use the local node alloc function so there's space for statistics.
* Use the correct malloc type for node allocation - M_80211_NODE - so
the default node free method in net80211 will work correctly.
* Fix otus_node_alloc() to suit FreeBSD's net80211.
* .. and actually call otus_node_alloc() so there's space for the
per-node tx statistics. Otherwise, well, it will be scribbling over
random memory.
adrian [Mon, 19 Oct 2015 01:14:26 +0000 (01:14 +0000)]
otus(4) - add initial monitor mode; use lowest rate for EAPOL
The monitor mode stuff is from the openbsd driver, but it doesn't
100% work. It doesn't seem to get all frames for all BSSes.
However, it's enough to at start debugging things. That 0xffffffff
write is /I think/ the RX filter, but I am still not 100% sure about
it all.
Then, whilst here, use the lowest rate for EAPOL frames. This is just
generally a good thing to do.
zbb [Sun, 18 Oct 2015 22:10:08 +0000 (22:10 +0000)]
Introduce driver for Cavium's ThunderX MDIO
This commit adds support for MDIO present in the ThunderX SoC.
From the FDT point of view it is compatible with "octeon-3860-mdio"
however only C22 mode is used.
The code also implements lmac_if interface functions.
Obtained from: Semihalf
Sponsored by: The FreeBSD Foundation
zbb [Sun, 18 Oct 2015 22:02:58 +0000 (22:02 +0000)]
Introduce initial support for Cavium's ThunderX networking interface
- The driver consists of three main componens: PF, VF, BGX
- Requires appropriate entries in DTS and MDIO driver
- Supports only FDT configuration
- Multiple Tx queues and single Rx queue supported
- No RSS, HW checksum and TSO support
- No more than 8 queues per-IF (only one Queue Set per IF)
- HW statistics enabled
- Works in all available MAC modes (1,10,20,40G)
- Style converted to BSD according to style(9)
- The code brings lmac_if interface used by the BGX driver to
update its logical MACs state.
Obtained from: Semihalf
Sponsored by: The FreeBSD Foundation
zbb [Sun, 18 Oct 2015 21:39:15 +0000 (21:39 +0000)]
Raw import of ThunderX VNIC networking driver components
This import brings following components of the Linux driver:
- Thunder BGX (programmable MAC)
- Physical Function driver
- Virtual Function driver
- Headers
Revision: 1.0
Obtained from: Cavium
License information: Cavium provided these files under BSD license
ian [Sun, 18 Oct 2015 20:37:10 +0000 (20:37 +0000)]
Only decode fdt data which belongs to the GIC controller.
The interrupts-extended property is a list of controller-specific
interrupt tuples for more than one controller. The decode routine of
every PIC gets called in the pre-INTRNG code (nexus doesn't know which
device instance belongs to which fdt node), so the GIC code has to
check each FDT node it is asked to decode to ensure it is the owner.
Because in the pre-INTRNG world there can only be one instance of a GIC,
it's safe to cache the results of a positive lookup in a static variable
to avoid the expensive lookups on subsequent calls.
cem [Sun, 18 Oct 2015 20:20:57 +0000 (20:20 +0000)]
if_ntb: MFV e26a5843: Move MW/DB management to if_ntb
This is the last e26a5843 patch. The general thrust of the rewrite was
to move more responsibility for Memory Window and Doorbell interrupt
management from the ntb_hw driver to if_ntb.
A number of APIs have been added, removed, or replaced. The old
DB callback mechanism has been excised. Instead, callers (if_ntb) are
responsible for configuring MWs and handling their interrupts more
directly.
This adds a tunable, hw.ntb.max_mw_size, allowing users to limit the
size of memory windows used by if_ntb (identical to the Linux modparam
of the same name).
Despite attempts to keep mechanical name changes to separate commits,
some have snuck in here. At least the driver should be much more
similar to the latest Linux one now -- making porting fixes easier.
Authored by: Allen Hubbe
Obtained from: Linux (Dual BSD/GPL driver)
Sponsored by: EMC / Isilon Storage Division
cem [Sun, 18 Oct 2015 20:20:29 +0000 (20:20 +0000)]
NTB: Flesh out the rest of the xeon_setup_b2b_mw changes
Move all Xeon secondary register setup to the setup_b2b_mw routine. We
use subroutines to make it a bit less wordy than the Linux version.
Adds a new tunable, 'hw.ntb.b2b_mw_share'. By default, it is off
(zero). If both sides enable it (any non-zero value), the NTB driver
attempts to use only half of a memory window for remote register MMIO
access.
This is still part of the large Linux rewrite (e26a5843).
Authored by: Allen Hubbe
Obtained from: Linux (e26a5843) (Dual BSD/GPL driver)
Sponsored by: EMC / Isilon Storage Division
cem [Sun, 18 Oct 2015 20:20:20 +0000 (20:20 +0000)]
NTB: "Split ntb_hw_intel and ntb_transport drivers"
This Linux commit was more or less a rewrite. Unfortunately, the commit
log does not give a lot of context for the rewrite. I have tried to
faithfully follow the changes made upstream, including matching function
names where possible, while churning the FreeBSD driver as little as
possible.
This is the bulk of the rewrite. There are two groups of changes to
follow in separate commits: fleshing out the rest of the changes to
xeon_setup_b2b_mw(), and some changes to if_ntb.
Yes, this is a big patch (3 files changed, 416 insertions(+), 237
deletions(-)), but the Linux patch was 13 files changed, 2,589
additions(+) and 2,195 deletions(-).
Original Linux commit log:
Change ntb_hw_intel to use the new NTB hardware abstraction layer.
Split ntb_transport into its own driver. Change it to use the new NTB
hardware abstraction layer.
Authored by: Allen Hubbe
Obtained from: Linux (e26a5843) (Dual BSD/GPL driver)
Sponsored by: EMC / Isilon Storage Division
cem [Sun, 18 Oct 2015 20:19:53 +0000 (20:19 +0000)]
NTB: Rename some variables/functions to match Linux
No functional change.
Still part of the huge e26a5843 rewrite. I'm trying to make it less of
a complete rewrite in the FreeBSD version of the driver. Still, it
helps if our names match Linux.
ian [Sun, 18 Oct 2015 19:54:11 +0000 (19:54 +0000)]
Enable ARM_INTRNG on IMX6 platforms, and make the imx_gpio driver an
interrupt controller.
The latter is required for INTRNG, because of the hardware erratum
workaround installed by the linux folks into the imx6 FDT data, which remaps
an ethernet interrupt to the gpio device. In the non-INTRNG world we
intercept the call to map the interrupt and map it back to the ethernet
hardware (because we don't need linux's workaround), but in the INTRNG world
we lose the hookpoint where that remapping was happening, but we gain the
ability to work the way linux does by having the gpio driver dispatch the
interrupt.
mav [Sun, 18 Oct 2015 19:05:56 +0000 (19:05 +0000)]
MFV r289535: 5767 fix several problems with zfs test suite
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Gordon Ross <gwr@nexenta.com>
Author: John Wren Kennedy <john.kennedy@delphix.com>
mav [Sun, 18 Oct 2015 18:32:22 +0000 (18:32 +0000)]
MFV r289530: 5847 libzfs_diff should check zfs_prop_get() return
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Albert Lee <trisk@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Author: Alexander Eremin <a.eremin@nexenta.com>
ian [Sun, 18 Oct 2015 18:26:19 +0000 (18:26 +0000)]
Import ARM_INTRNG, the "next generation" interrupt architecture for arm
and armv6 architecures. The primary enhancement over the old design is
support for hierarchical interrupt controllers (such as a gpio driver
which can receive interrupts from a root PIC and act as a PIC itself for
clients interested in handling a change of gpio pin state as an
interrupt). The new code also provides an infrastructure for mapping
interrupts described in metadata in the form of a "controller reference
plus interrupt number" tuple into the simple "0-n" flat numeric space
understood by rman and the bus resource mechanisms.
Use of the new code is enabled by setting the ARM_INTRNG option, and by
making a few simple changes to the platform's support code. In addition
each existing PIC driver needs changes to be ready for INTRNG; this commit
contains the changes for the arm/gic driver, which most armv6 SoCs use, but
it does not enable the new code yet on any platform.
This project has been many years in the making, starting as a GSoC project
by Jakub Klama (jceel@) in 2012. That didn't get committed right away and
the source base evolved out from under it to some degree. In 2014 I rebased
the diffs to then -current and did some enhancements in the area of mapping
interrupt numbers and storing associated fdt data, then the project went
cold again for a while. Eventually Svata Kraus took that work in progress
and did another big round of work on it, removing most of the remaining
rough edges. Finally I took that and made one more pass through it, mostly
disabling the "INTR_SOLO" feature for now, pending further design
discussions on how to most efficiently dispatch a pending interrupt through
more than one layer of PIC. The current code with the INTR_SOLO feature
disabled uses approximate 100 extra cpu cycles for each cascaded PIC the
interrupt has to be passed to, so what's left to do is about efficiency, not
correct operation.
mav [Sun, 18 Oct 2015 18:08:33 +0000 (18:08 +0000)]
MFV r289526:
5561 support root pools on EFI/GPT partitioned disks
5125 update zpool/libzfs to manage bootable whole disk pools (EFI/GPT labeled disks)
Reviewed by: Jean McCormack <jean.mccormack@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Author: Hans Rosenfeld <hans.rosenfeld@nexenta.com>
projects / people / julieng / freebsd.git / log