introduce vhost_net_test for both vhost_net tx and rx basing
on virtio_test to test vhost_net changing in the kernel.
Steps for vhost_net tx testing:
1. Prepare a out buf.
2. Kick the vhost_net to do tx processing.
3. Do the receiving in the tun side.
4. verify the data received by tun is correct.
Steps for vhost_net rx testing:
1. Prepare a in buf.
2. Do the sending in the tun side.
3. Kick the vhost_net to do rx processing.
4. verify the data received by vhost_net is correct.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The page frag in vhost_net_page_frag_refill() uses the
'struct page_frag' from skb_page_frag_refill(), but it's
implementation is similar to page_frag_alloc_align() now.
This patch removes vhost_net_page_frag_refill() by using
'struct page_frag_cache' instead of 'struct page_frag',
and allocating frag using page_frag_alloc_align().
The added benefit is that not only unifying the page frag
implementation a little, but also having about 0.5% performance
boost testing by using the vhost_net_test introduced in the
last patch.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Currently there seems to be three page frag implementations
which all try to allocate order 3 page, if that fails, it
then fail back to allocate order 0 page, and each of them
all allow order 3 page allocation to fail under certain
condition by using specific gfp bits.
The gfp bits for order 3 page allocation are different
between different implementation, __GFP_NOMEMALLOC is
or'd to forbid access to emergency reserves memory for
__page_frag_cache_refill(), but it is not or'd in other
implementions, __GFP_DIRECT_RECLAIM is masked off to avoid
direct reclaim in vhost_net_page_frag_refill(), but it is
not masked off in __page_frag_cache_refill().
This patch unifies the gfp bits used between different
implementions by or'ing __GFP_NOMEMALLOC and masking off
__GFP_DIRECT_RECLAIM for order 3 page allocation to avoid
possible pressure for mm.
Leave the gfp unifying for page frag implementation in sock.c
for now as suggested by Paolo Abeni.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
CC: Alexander Duyck <alexander.duyck@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
napi_alloc_frag_align() and netdev_alloc_frag_align() accept
align as an argument, and they are thin wrappers around the
__napi_alloc_frag_align() and __netdev_alloc_frag_align() APIs
doing the alignment checking and align mask conversion, in order
to call page_frag_alloc_align() directly. The intention here is
to keep the alignment checking and the alignmask conversion in
in-line wrapper to avoid those kind of operations during execution
time since it can usually be handled during compile time.
We are going to use page_frag_alloc_align() in vhost_net.c, it
need the same kind of alignment checking and alignmask conversion,
so split up page_frag_alloc_align into an inline wrapper doing the
above operation, and add __page_frag_alloc_align() which is passed
with the align mask the original function expected as suggested by
Alexander.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
CC: Alexander Duyck <alexander.duyck@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
GPIO EOI is not set to clear interrupt status after handling the
interrupt. It should be done in irq_chip->irq_ack, but this function
is not called in handle_nested_irq(). So executing function
txgbe_gpio_irq_ack() manually in txgbe_gpio_irq_handler().
Fixes: aefd013624 ("net: txgbe: use irq_domain for interrupt controller")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://lore.kernel.org/r/20240301092956.18544-2-jiawenwu@trustnetic.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The register of GPIO interrupt status is masked before MAC IRQ
is enabled. This is because of hardware deficiency. So manually
clear the interrupt status before using them. Otherwise, GPIO
interrupts will never be reported again. There is a workaround for
clearing interrupts to set GPIO EOI in txgbe_up_complete().
Fixes: aefd013624 ("net: txgbe: use irq_domain for interrupt controller")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://lore.kernel.org/r/20240301092956.18544-1-jiawenwu@trustnetic.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-02-28 (ixgbe, igc, igb, e1000e, e100)
This series contains updates to ixgbe, igc, igb, e1000e, and e100
drivers.
Jon Maxwell makes module parameter values readable in sysfs for ixgbe,
igb, and e100.
Ernesto Castellotti adds support for 1000BASE-BX on ixgbe.
Arnd Bergmann fixes build failure due to dependency issues for igc.
Vitaly refactors error check to be more concise and prevent future
issues on e1000e.
v1: https://lore.kernel.org/netdev/20240229004135.741586-1-anthony.l.nguyen@intel.com/
====================
Link: https://lore.kernel.org/r/20240301184806.2634508-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When IGC is built-in but LEDS_CLASS is a loadable module, there is
a link failure:
x86_64-linux-ld: drivers/net/ethernet/intel/igc/igc_leds.o: in function `igc_led_setup':
igc_leds.c:(.text+0x75c): undefined reference to `devm_led_classdev_register_ext'
Add another dependency that prevents this combination.
Fixes: ea578703b0 ("igc: Add support for LEDs on i225/i226")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20240301184806.2634508-4-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Added support for 1000BASE-BX, i.e. Gigabit Ethernet over single strand
of single-mode fiber.
The initialization of a 1000BASE-BX SFP is the same as 1000BASE-SX/LX
with the only difference that the Bit Rate Nominal Value must be
checked to make sure it is a Gigabit Ethernet transceiver, as described
by the SFF-8472 specification.
This was tested with the FS.com SFP-GE-BX 1310/1490nm 10km transceiver:
$ ethtool -m eth4
Identifier : 0x03 (SFP)
Extended identifier : 0x04 (GBIC/SFP defined by 2-wire interface ID)
Connector : 0x07 (LC)
Transceiver codes : 0x00 0x00 0x00 0x40 0x00 0x00 0x00 0x00 0x00
Transceiver type : Ethernet: BASE-BX10
Encoding : 0x01 (8B/10B)
BR, Nominal : 1300MBd
Rate identifier : 0x00 (unspecified)
Length (SMF,km) : 10km
Length (SMF) : 10000m
Length (50um) : 0m
Length (62.5um) : 0m
Length (Copper) : 0m
Length (OM3) : 0m
Laser wavelength : 1310nm
Vendor name : FS
Vendor OUI : 64:9d:99
Vendor PN : SFP-GE-BX
Vendor rev :
Option values : 0x20 0x0a
Option : RX_LOS implemented
Option : TX_FAULT implemented
Option : Power level 3 requirement
BR margin, max : 0%
BR margin, min : 0%
Vendor SN : S2202359108
Date code : 220307
Optical diagnostics support : Yes
Laser bias current : 17.650 mA
Laser output power : 0.2132 mW / -6.71 dBm
Receiver signal average optical power : 0.2740 mW / -5.62 dBm
Module temperature : 47.30 degrees C / 117.13 degrees F
Module voltage : 3.2576 V
Alarm/warning flags implemented : Yes
Laser bias current high alarm : Off
Laser bias current low alarm : Off
Laser bias current high warning : Off
Laser bias current low warning : Off
Laser output power high alarm : Off
Laser output power low alarm : Off
Laser output power high warning : Off
Laser output power low warning : Off
Module temperature high alarm : Off
Module temperature low alarm : Off
Module temperature high warning : Off
Module temperature low warning : Off
Module voltage high alarm : Off
Module voltage low alarm : Off
Module voltage high warning : Off
Module voltage low warning : Off
Laser rx power high alarm : Off
Laser rx power low alarm : Off
Laser rx power high warning : Off
Laser rx power low warning : Off
Laser bias current high alarm threshold : 110.000 mA
Laser bias current low alarm threshold : 1.000 mA
Laser bias current high warning threshold : 100.000 mA
Laser bias current low warning threshold : 1.000 mA
Laser output power high alarm threshold : 0.7079 mW / -1.50 dBm
Laser output power low alarm threshold : 0.0891 mW / -10.50 dBm
Laser output power high warning threshold : 0.6310 mW / -2.00 dBm
Laser output power low warning threshold : 0.1000 mW / -10.00 dBm
Module temperature high alarm threshold : 90.00 degrees C / 194.00 degrees F
Module temperature low alarm threshold : -45.00 degrees C / -49.00 degrees F
Module temperature high warning threshold : 85.00 degrees C / 185.00 degrees F
Module temperature low warning threshold : -40.00 degrees C / -40.00 degrees F
Module voltage high alarm threshold : 3.7950 V
Module voltage low alarm threshold : 2.8050 V
Module voltage high warning threshold : 3.4650 V
Module voltage low warning threshold : 3.1350 V
Laser rx power high alarm threshold : 0.7079 mW / -1.50 dBm
Laser rx power low alarm threshold : 0.0028 mW / -25.53 dBm
Laser rx power high warning threshold : 0.6310 mW / -2.00 dBm
Laser rx power low warning threshold : 0.0032 mW / -24.95 dBm
Signed-off-by: Ernesto Castellotti <ernesto@castellotti.net>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20240301184806.2634508-3-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Matthieu Baerts says:
====================
mptcp: userspace pm: 'dump addrs' and 'get addr'
This series from Geliang adds two new Netlink commands to the userspace
PM:
- one to dump all addresses of a specific MPTCP connection:
- feature added in patches 3 to 5
- test added in patches 7, 8 and 10
- and one to get a specific address for an MPTCP connection:
- feature added in patches 11 to 13
- test added in patches 14 and 15
These new Netlink commands can be useful if an MPTCP daemon lost track
of the different connections, e.g. after having been restarted.
The other patches are some clean-ups and small improvements added
while working on the new features.
====================
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
This patch adds a new helper userspace_pm_get_addr() in mptcp_join.sh.
In it, parse the token value from the output of 'pm_nl_ctl events', then
pass it to pm_nl_ctl get_addr command. Use this helper in userspace pm
dump tests.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The command get_addr() of pm_nl_ctl can be used like this in in-kernel PM:
pm_nl_ctl get $id
This patch adds token argument for it to support userspace PM:
pm_nl_ctl get $id token $token
If 'token $token' is passed to get_addr(), copy it into the kernel netlink.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch renames mptcp_pm_nl_get_addr_doit() as a dedicated in-kernel
netlink PM get addr function mptcp_pm_nl_get_addr(). and invoke a new
wrapper mptcp_pm_get_addr() in mptcp_pm_nl_get_addr_doit.
If a token is gotten in the wrapper, that means a userspace PM is used.
So invoke mptcp_userspace_pm_get_addr() to get addr in userspace PM list.
Otherwise, invoke mptcp_pm_nl_get_addr().
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements mptcp_userspace_pm_get_addr() to get an address
from userspace pm address list according the given 'token' and 'id'.
Use nla_get_u32() to get the u32 value of 'token', then pass it to
mptcp_token_get_sock() to get the msk. Pass 'msk' and 'id' to the helper
mptcp_userspace_pm_lookup_addr_by_id() to get the address entry. Put
this entry to userspace using mptcp_pm_nl_put_entry_info().
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Corresponding __lookup_addr_by_id() helper in the in-kernel netlink PM,
this patch adds a new helper mptcp_userspace_pm_lookup_addr_by_id() to
lookup the address entry with the given id on the userspace pm local
address list.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds a new helper userspace_pm_dump() to dump addresses
for the userspace PM. Use this helper to check whether an ID 0 subflow
is listed in the output of dump command after creating an ID 0 subflow
in "userspace pm create id 0 subflow" test. Dump userspace PM addresses
list in "userspace pm add & remove address" test and in "userspace pm
create destroy subflow" test.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Extract the main part of check() in pm_netlink.sh into a new helper
named mptcp_lib_check_output in mptcp_lib.sh.
This helper will be used for userspace dump addresses tests.
Co-developed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The command dump_addr() of pm_nl_ctl can be used like this in in-kernel PM:
pm_nl_ctl dump
This patch adds token argument for it to support userspace PM:
pm_nl_ctl dump token $token
If 'token $token' is passed to dump_addr(), copy it into the kernel
netlink.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds the address flag MPTCP_PM_ADDR_FLAG_SUBFLOW in csf() in
pm_nl_ctl.c when subflow is created by a userspace PM.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Just like MPTCP_PM_ADDR_FLAG_SIGNAL flag is checked in userspace PM
announce mptcp_pm_nl_announce_doit(), PM flags should be checked in
mptcp_pm_nl_subflow_create_doit() too.
If MPTCP_PM_ADDR_FLAG_SUBFLOW flag is not set, there's no flags field
in the output of dump_addr. This looks a bit strange:
id 10 flags 10.0.3.2
This patch uses mptcp_pm_parse_entry() instead of mptcp_pm_parse_addr()
to get the PM flags of the entry and check it. MPTCP_PM_ADDR_FLAG_SIGNAL
flag shouldn't be set here, and if MPTCP_PM_ADDR_FLAG_SUBFLOW flag is
missing from the netlink attribute, always set this flag.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch renames mptcp_pm_nl_get_addr_dumpit() as a dedicated in-kernel
netlink PM dump addrs function mptcp_pm_nl_dump_addr(), and invoke a newly
added wrapper mptcp_pm_dump_addr() in mptcp_pm_nl_get_addr_dumpit().
Invoke in-kernel PM dump addrs function mptcp_pm_nl_dump_addr() or
userspace PM dump addrs function mptcp_userspace_pm_dump_addr() based on
whether the token parameter is passed in or not in the wrapper.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds token parameter together with addr in get-addr section in
mptcp_pm.yaml, then use the following commands to update mptcp_pm_gen.c
and mptcp_pm_gen.h:
./tools/net/ynl/ynl-gen-c.py --mode kernel \
--spec Documentation/netlink/specs/mptcp_pm.yaml --source \
-o net/mptcp/mptcp_pm_gen.c
./tools/net/ynl/ynl-gen-c.py --mode kernel \
--spec Documentation/netlink/specs/mptcp_pm.yaml --header \
-o net/mptcp/mptcp_pm_gen.h
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements mptcp_userspace_pm_dump_addr() to dump addresses
from userspace pm address list. Use mptcp_token_get_sock() to get the
msk from the given token, if userspace PM is enabled in it, traverse
each address entry in address list, put every entry to userspace using
mptcp_pm_nl_put_entry_msg().
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch exports struct mptcp_genl_family and mptcp_nl_fill_addr() helper
to allow them can be used in pm_userspace.c.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
mptcp_pm_remove_addrs_and_subflows() is only used in pm_netlink.c, it's
no longer used in pm_userspace.c any more since the commit 8b1c94da1e
("mptcp: only send RM_ADDR in nl_cmd_remove"). So this patch changes it
to a static function.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alex Elder says:
====================
net: ipa: simplify device pointer access
This version of this patch series fixes the bugs in the first patch
(which were fixed in the second), where ipa_interrupt_config() had
two remaining spots that returned a pointer rather than an integer.
Outside of initialization, all uses of the platform device pointer
stored in the IPA structure determine the address of device
structure embedded within the platform device structure.
By changing some of the initialization functions to take a platform
device as argument we can simplify getting at the device structure
address by storing it (instead of the platform device pointer) in
the IPA structure.
The first two patches split the interrupt initialization code into
two parts--one done earlier than before. The next four patches
update some initialization functions to take a platform device
pointer as argument. And the last patch replaces the platform
device pointer with a device pointer, and converts all remaining
references to the &ipa->pdev->dev to use ipa->dev.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The IPA platform device is now only used as the structure containing
the IPA device structure. Replace the platform device pointer with
a pointer to the device structure.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rather than using the platform device pointer field in the IPA
pointer, pass a platform device pointer to ipa_smp2p_init(). Use
that pointer throughout that function.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rather than using the platform device pointer field in the IPA
pointer, pass a platform device pointer to ipa_smp2p_irq_init().
Use that pointer throughout that function (without assuming it's
the same as the IPA platform device pointer).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rather than using the platform device pointer field in the IPA
pointer, pass a platform device pointer to ipa_mem_init(). Use
that pointer throughout that function.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Rather than using the platform device pointer field in the IPA
pointer, pass a platform device pointer to ipa_reg_init(). Use
that pointer throughout that function.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create a new function ipa_interrupt_init() that is called at probe
time to allocate and initialize the IPA interrupt data structure.
Create ipa_interrupt_exit() as its inverse.
This follows the normal IPA driver pattern of *_init() functions
doing things that can be done before access to hardware is required.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change the return type of ipa_interrupt_config() to be an error
code rather than an IPA interrupt structure pointer, and assign the
the pointer within that function.
Change ipa_interrupt_deconfig() to take the IPA pointer as argument
and have it invalidate the ipa->interrupt pointer.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matthieu Baerts says:
====================
mptcp: add TCP_NOTSENT_LOWAT sockopt support
Patch 3 does the magic of adding TCP_NOTSENT_LOWAT support, all the
other ones are minor cleanup seen along when working on the new
feature.
Note that this feature relies on the existing accounting for snd_nxt.
Such accounting is not 110% accurate as it tracks the most recent
sequence number queued to any subflow, and not the actual sequence
number sent on the wire. Paolo experimented a lot, trying to implement
the latter, and in the end it proved to be both "too complex" and "not
necessary".
The complexity raises from the need for additional lock and a lot of
refactoring to introduce such protections without adding significant
overhead. Additionally, snd_nxt is currently used and exposed with the
current semantic by the internal packet scheduling. Introducing a
different tracking will still require us to keep the old one.
More interestingly, a more accurate tracking could be not strictly
necessary: as the MPTCP socket enqueues data to the subflows only up
to the available send window, any enqueue data is sent on the wire
instantly, without any blocking operation short or a drop in the tx
path at the nft or TC layer.
====================
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Most TCP-level socket options get an integer from user space, and
set the corresponding field under the msk-level socket lock.
Reduce the code duplication moving such operations in the common code.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for such socket option storing the user-space provided
value in a new msk field, and using such data to implement the
_mptcp_stream_memory_free() helper, similar to the TCP one.
To avoid adding more indirect calls in the fast path, open-code
a variant of sk_stream_memory_free() in mptcp_sendmsg() and add
direct calls to the mptcp stream memory free helper where possible.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/464
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mptcp_get_int_option() helper is needless open-coded in a
couple of places, replace the duplicate code with the helper
call.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
After commit 5cf92bbadc ("mptcp: re-enable sndbuf autotune"), the
MPTCP_NOSPACE bit is redundant: it is always set and cleared together with
SOCK_NOSPACE.
Let's drop the first and always relay on the latter, dropping a bunch
of useless code.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Do not set rtnl_link_stats64 fields to zero, since they are zeroed
before ops->ndo_get_stats64 is called in core dev_get_stats() function.
Also, simplify the data collection by removing the temporary variable.
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
With commit 34d21de99c ("net: Move {l,t,d}stats allocation to core and
convert veth & vrf"), stats allocation could be done on net core
instead of this driver.
With this new approach, the driver doesn't have to bother with error
handling (allocation failure checking, making sure free happens in the
right spot, etc). This is core responsibility now.
Remove the allocation in the nlmon driver and leverage the network
core allocation.
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The last patch which added support to extend the firmware shared
data to add channel data information has introduced a bug due to
the reserved space not adjusted accordingly.
This patch fixes the issue and also adds BUILD_BUG to avoid this
regression error.
Fixes: 997814491c ("Octeontx2-af: Fetch MAC channel info from firmware")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ziwei Xiao says:
====================
gve: Add header split support
Currently, the ethtool's ringparam has added a new field
tcp-data-split for enabling and disabling header split. These three
patches will utilize that ethtool flag to support header split in GVE
driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
To record the stats of header split packets, three stats are added in
the driver's ethtool stats.
- rx_hsplit_pkt is the split packets count with header split
- rx_hsplit_bytes is the received header bytes count with header split
- rx_hsplit_unsplit_pkt is the unsplit packet count due to header buffer
overflow or zero header length when header split is enabled
Currently, it's entering the stats_update critical section more than
once per packet. We have plans to avoid that in the future change to let
all the stats_update happen in one place at the end of
`gve_rx_poll_dqo`.
Co-developed-by: Ziwei Xiao <ziweixiao@google.com>
Signed-off-by: Ziwei Xiao <ziweixiao@google.com>
Signed-off-by: Jeroen de Borst <jeroendb@google.com>
Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com>
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
