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In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge, the bridge
MAC address does not have the same prefix as other interfaces in the
system. On Nvidia Spectrum-1 machines all the RIFs have to have the same
38-bit MAC address prefix. Since the bridge does not obey this limitation,
the RIF cannot be created, and the enslavement attempt is vetoed on the
grounds of the configuration not being offloadable.
The selftest itself however checks DCB DSCP-based prioritization, and the
bridge serves for its L2 forwarding capabilities, and does not need to
participate in routing traffic. The IP address or the RIF are irrelevant.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridge in this selftest, thus exempting it from mlxsw router attention.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge, the bridge
MAC address does not have the same prefix as other interfaces in the
system. On Nvidia Spectrum-1 machines all the RIFs have to have the same
38-bit MAC address prefix. Since the bridge does not obey this limitation,
the RIF cannot be created, and the enslavement attempt is vetoed on the
grounds of the configuration not being offloadable.
The selftest itself however checks how many mirroring sessions a machine is
capable of offloading. The IP address or the RIF are irrelevant.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridge in this selftest, thus exempting it from mlxsw router attention.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge (this holds
for all bridges used here), the bridge MAC address does not have the same
prefix as other interfaces in the system. On Nvidia Spectrum-1 machines all
the RIFs have to have the same 38-bit MAC address prefix. Since the bridge
does not obey this limitation, the RIF cannot be created, and the
enslavement attempt is vetoed on the grounds of the configuration not being
offloadable.
The selftest itself however checks whether a different vetoed aspect of the
configuration provides an extack. The IP address or the RIF are irrelevant.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridges in this selftest, thus exempting them from mlxsw router attention.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
The swp enslavement to the 802.1ad bridge is not allowed, because RIFs are
not allowed to be created for 802.1ad bridges, but the address indicates
one needs to be created. Thus the veto selftests fail already during the
port enslavement. Then the attempt to create a VLAN on top of the same
bridge is not vetoed, because the bridge is not related to mlxsw, and the
selftest fails.
Fix by disabling automatic IPv6 address generation for the bridges in this
selftest, thus exempting them from the mlxsw router attention.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge, the bridge
MAC address does not have the same prefix as other interfaces in the
system. On Nvidia Spectrum-1 machines all the RIFs have to have the same
38-bit MAC address prefix. Since the bridge does not obey this limitation,
the RIF cannot be created, and the enslavement attempt is vetoed on the
grounds of the configuration not being offloadable.
The bridge eventually inherits MAC address from its first member, after the
enslavement is acked. A number of (mainly VXLAN) selftests already work
around the problem by setting the MAC address to whatever it will
eventually be anyway. Do the same here.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge, the bridge
MAC address does not have the same prefix as other interfaces in the
system. On Nvidia Spectrum-1 machines all the RIFs have to have the same
38-bit MAC address prefix. Since the bridge does not obey this limitation,
the RIF cannot be created, and the enslavement attempt is vetoed on the
grounds of the configuration not being offloadable.
The bridge eventually inherits MAC address from its first member, after the
enslavement is acked. A number of (mainly VXLAN) selftests already work
around the problem by setting the MAC address to whatever it will
eventually be anyway. Do the same for several mirror_gre selftests.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge, the bridge
MAC address does not have the same prefix as other interfaces in the
system. On Nvidia Spectrum-1 machines all the RIFs have to have the same
38-bit MAC address prefix. Since the bridge does not obey this limitation,
the RIF cannot be created, and the enslavement attempt is vetoed on the
grounds of the configuration not being offloadable.
These two selftests however check mirroring traffic to a gretap netdevice.
The bridge here does not participate in routing traffic and the IP address
or the RIF are irrelevant.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridges in these selftests, thus exempting them from mlxsw router
attention. Since the bridges are only used for L2 forwarding, this change
should not hinder usefulness of this selftest for testing SW datapath or HW
datapaths in other devices.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge, the bridge
MAC address does not have the same prefix as other interfaces in the
system. On Nvidia Spectrum-1 machines all the RIFs have to have the same
38-bit MAC address prefix. Since the bridge does not obey this limitation,
the RIF cannot be created, and the enslavement attempt is vetoed on the
grounds of the configuration not being offloadable.
The selftest itself however checks whether skbedit changes packet priority
as appropriate. The bridge thus does not need to participate in routing
traffic and the IP address or the RIF are irrelevant.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridge in this selftest, thus exempting it from mlxsw router attention.
Since the bridge is only used for L2 forwarding, this change should not
hinder usefulness of this selftest for testing SW datapath or HW datapaths
in other devices.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
At the time that the front panel port is enslaved to the bridge, the bridge
MAC address does not have the same prefix as other interfaces in the
system. On Nvidia Spectrum-1 machines all the RIFs have to have the same
38-bit MAC address prefix. Since the bridge does not obey this limitation,
the RIF cannot be created, and the enslavement attempt is vetoed on the
grounds of the configuration not being offloadable.
The selftest itself however checks operation of pedit on IPv4 and IPv6
dsfield and its parts. The bridge thus does not need to participate in
routing traffic and the IP address or the RIF are irrelevant.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridge in this selftest, thus exempting it from mlxsw router attention.
Since the bridge is only used for L2 forwarding, this change should not
hinder usefulness of this selftest for testing SW datapath or HW datapaths
in other devices.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
This will cause this selftest to fail spuriously. The swp enslavement to
the 802.1ad bridge is not allowed, because RIFs are not allowed to be
created for 802.1ad bridges, but the address indicates one needs to be
created.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridge in this selftest, thus exempting it from mlxsw router attention.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In a future patch, mlxsw will start adding RIFs to uppers of front panel
port netdevices, if they have an IP address.
This will cause this selftest to fail spuriously. The swp enslavement to
the 802.1ad bridge is not allowed, because RIFs are not allowed to be
created for 802.1ad bridges, but the address indicates one needs to be
created.
Fix by disabling automatic IPv6 address generation for the HW-offloaded
bridge in this selftest, thus exempting it from mlxsw router attention.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently for each timestamp frame, the SW needs to go and read the
received timestamp over the MDIO bus. But the HW has the capability
to store the received nanoseconds part and the least significant two
bits of the seconds in the reserved field of the PTP header. In this
way we could save few MDIO transactions (actually a little more
transactions because the access to the PTP registers are indirect)
for each received frame.
Instead of reading the rest of seconds part of the timestamp of the
frame using MDIO transactions schedule PTP worker thread to read the
seconds part every 500ms and then for each of the received frames use
this information. Because if for example running with 512 frames per
second, there is no point to read 512 times the second part.
Doing all these changes will give a great CPU usage performance.
Running ptp4l with logSyncInterval of -9 will give a ~60% CPU
improvement.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bartosz Golaszewski says:
====================
net: stmmac: dwmac-qcom-ethqos: add support for EMAC4
Extend the dwmac-qcom-ethqos driver to support EMAC4. While at it: rework the
code somewhat. The bindings have been reviewed by DT maintainers.
This is a sub-series of [1] with only the patches targetting the net subsystem
as they can go in independently.
[1] https://lore.kernel.org/lkml/20230617001644.4e093326@kernel.org/T/
====================
Link: https://lore.kernel.org/r/20230619092402.195578-1-brgl@bgdev.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
sa8775p uses EMAC version 4, add the relevant defines, rename the
has_emac3 switch to has_emac_ge_3 (has emac greater-or-equal than 3)
and add the new compatible.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add the compatible for the MAC controller on sa8775p platforms. This MAC
works with a single interrupt so add minItems to the interrupts property.
The fourth clock's name is different here so change it. Enable relevant
PHY properties. Add the relevant compatibles to the binding document for
snps,dwmac as well.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On some platforms, the PCS can be integrated in the MAC so the driver
will not see any PCS link activity. Add a switch that allows the platform
drivers to let the core code know.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On sa8775p the MAC is connected to the external PHY over SGMII so add
support for it to the driver.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In preparation for supporting SGMII, let's make the code a bit more
generic. Add a new callback for MAC configuration so that we can assign
a different variant of it in the future.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On sa8775p, the EMAC revision is 4 and we use SGMII instead of RGMII.
There's no "rgmii" clock but there's a fourth clock under a different
name: "phyaux". Add a new field to the chip data struct that specifies
the link clock name. Default to "rgmii" for backward compatibility.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On sa8775p platforms, there's a SGMII SerDes PHY between the MAC and
external PHY that we need to enable and configure.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There's an unnecessary space in the rgmii_updatel() function, remove it.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Typically we use a newline between global and local headers so add it
here as well.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
device_get_phy_mode() is declared in linux/property.h but this header
is not included.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Shrink code and avoid line breaks by using a helper variable for
&pdev->dev.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Make sure we follow the reverse-xmas tree convention.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The err_mem label's name is unclear. It actually should be reached on
any error after stmmac_probe_config_dt() succeeds. Name it after the
cleanup action that needs to be called before exiting.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We can use a devm action to completely drop the remove callback and use
stmmac_pltfr_remove() directly for remove. We can also drop one of the
goto labels.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The new efx_bind_neigh() function contains a broken code path when IPV6 is
disabled:
drivers/net/ethernet/sfc/tc_encap_actions.c:144:7: error: variable 'n' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
if (encap->type & EFX_ENCAP_FLAG_IPV6) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/sfc/tc_encap_actions.c:184:8: note: uninitialized use occurs here
if (!n) {
^
drivers/net/ethernet/sfc/tc_encap_actions.c:144:3: note: remove the 'if' if its condition is always false
if (encap->type & EFX_ENCAP_FLAG_IPV6) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/sfc/tc_encap_actions.c:141:22: note: initialize the variable 'n' to silence this warning
struct neighbour *n;
^
= NULL
Change it to use the existing error handling path here.
Fixes: 7e5e7d800011a ("sfc: neighbour lookup for TC encap action offload")
Suggested-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20230619091215.2731541-2-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The driver now fails to link when CONFIG_INET is disabled, so
add an explicit Kconfig dependency:
ld.lld: error: undefined symbol: ip_route_output_flow
>>> referenced by tc_encap_actions.c
>>> drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_tc_flower_create_encap_md) in archive vmlinux.a
ld.lld: error: undefined symbol: ip_send_check
>>> referenced by tc_encap_actions.c
>>> drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_gen_encap_header) in archive vmlinux.a
>>> referenced by tc_encap_actions.c
>>> drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_gen_encap_header) in archive vmlinux.a
ld.lld: error: undefined symbol: arp_tbl
>>> referenced by tc_encap_actions.c
>>> drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_tc_netevent_event) in archive vmlinux.a
>>> referenced by tc_encap_actions.c
>>> drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_tc_netevent_event) in archive vmlinux.a
Fixes: a1e82162af0b8 ("sfc: generate encap headers for TC offload")
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306151656.yttECVTP-lkp@intel.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230619091215.2731541-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The text has been cut/paste from genphy_c45_ethtool_get_eee but not
changed to reflect it performs set.
Additionally, extend the comment. This function implements the logic
that eee_enabled has global control over EEE. When eee_enabled is
false, no link modes will be advertised, and as a result, the MAC
should not transmit LPI.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230619220332.4038924-1-andrew@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Blamed commit added these helpers for sake of detecting RAW
sockets specific ioctl.
syzbot complained about it [1].
Issue here is that RAW sockets could pretend there was no need
to call ipmr_sk_ioctl()
Regardless of inet_sk(sk)->inet_num, we must be prepared
for ipmr_ioctl() being called later. This must happen
from ipmr_sk_ioctl() context only.
We could add a safety check in ipmr_ioctl() at the risk of breaking
applications.
Instead, remove sk_is_ipmr() and sk_is_icmpv6() because their
name would be misleading, once we change their implementation.
[1]
BUG: KASAN: stack-out-of-bounds in ipmr_ioctl+0xb12/0xbd0 net/ipv4/ipmr.c:1654
Read of size 4 at addr ffffc90003aefae4 by task syz-executor105/5004
CPU: 0 PID: 5004 Comm: syz-executor105 Not tainted 6.4.0-rc6-syzkaller-01304-gc08afcdcf952 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351
print_report mm/kasan/report.c:462 [inline]
kasan_report+0x11c/0x130 mm/kasan/report.c:572
ipmr_ioctl+0xb12/0xbd0 net/ipv4/ipmr.c:1654
raw_ioctl+0x4e/0x1e0 net/ipv4/raw.c:881
sock_ioctl_out net/core/sock.c:4186 [inline]
sk_ioctl+0x151/0x440 net/core/sock.c:4214
inet_ioctl+0x18c/0x380 net/ipv4/af_inet.c:1001
sock_do_ioctl+0xcc/0x230 net/socket.c:1189
sock_ioctl+0x1f8/0x680 net/socket.c:1306
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2944bf6ad9
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd8897a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2944bf6ad9
RDX: 0000000000000000 RSI: 00000000000089e1 RDI: 0000000000000003
RBP: 00007f2944bbac80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2944bbad10
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
The buggy address belongs to stack of task syz-executor105/5004
and is located at offset 36 in frame:
sk_ioctl+0x0/0x440 net/core/sock.c:4172
This frame has 2 objects:
[32, 36) 'karg'
[48, 88) 'buffer'
Fixes: e1d001fa5b47 ("net: ioctl: Use kernel memory on protocol ioctl callbacks")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Breno Leitao <leitao@debian.org>
Cc: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20230619124336.651528-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
TC rule support to offload rx queue mapping rules.
Eg:
tc filter add dev eth2 ingress protocol ip flower \
dst_ip 192.168.8.100 \
action skbedit queue_mapping 4 skip_sw
action mirred ingress redirect dev eth5
Packets destined to 192.168.8.100 will be forwarded to rx
queue 4 of eth5 interface.
tc filter add dev eth2 ingress protocol ip flower \
dst_ip 192.168.8.100 \
action skbedit queue_mapping 9 skip_sw
Packets destined to 192.168.8.100 will be forwarded to rx
queue 4 of eth2 interface.
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Link: https://lore.kernel.org/r/20230619060638.1032304-1-rkannoth@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Group some variables based on their sizes to reduce hole and avoid padding.
On x86_64, this shrinks the size of 'struct netlbl_domaddr6_map'
from 72 to 64 bytes.
It saves a few bytes of memory and is more cache-line friendly.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Link: https://lore.kernel.org/r/aa109847260e51e174c823b6d1441f75be370f01.1687083361.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Group some variables based on their sizes to reduce hole and avoid padding.
On x86_64, this shrinks the size of 'struct mptcp_pm_add_entry'
from 136 to 128 bytes.
It saves a few bytes of memory and is more cache-line friendly.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/e47b71de54fd3e580544be56fc1bb2985c77b0f4.1687081558.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Group some variables based on their sizes to reduce hole and avoid padding.
On x86_64, this shrinks the size of 'struct mctp_route'
from 72 to 64 bytes.
It saves a few bytes of memory and is more cache-line friendly.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/393ad1a5aef0aa28d839eeb3d7477da0e0eeb0b0.1687080803.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 6970ef27ff7f ("net: fec: add xdp and page pool statistics") selected
CONFIG_PAGE_POOL_STATS from the FEC driver symbol, making it impossible
to build without the page pool statistics when this driver is enabled. The
help text of those statistics mentions increased overhead. Allow the user
to choose between usefulness of the statistics and the added overhead.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230616191832.2944130-1-l.stach@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The new phy driver attempts to select a driver from another subsystem,
but that fails when the NVMEM subsystem is disabled:
WARNING: unmet direct dependencies detected for NVMEM_MTK_EFUSE
Depends on [n]: NVMEM [=n] && (ARCH_MEDIATEK [=n] || COMPILE_TEST [=y]) && HAS_IOMEM [=y]
Selected by [y]:
- MEDIATEK_GE_SOC_PHY [=y] && NETDEVICES [=y] && PHYLIB [=y] && (ARM64 && ARCH_MEDIATEK [=n] || COMPILE_TEST [=y])
I could not see an actual compile time dependency, so presumably this
is only needed for for working correctly but not technically a dependency
on that particular nvmem driver implementation, so it would likely
be safe to remove the select for compile testing.
To keep the spirit of the original 'select', just replace this with a
'depends on' that ensures that the driver will work but does not get in
the way of build testing.
Fixes: 98c485eaf509b ("net: phy: add driver for MediaTek SoC built-in GE PHYs")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/20230616093009.3511692-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Rahul Rameshbabu says:
====================
ptp .adjphase cleanups
The goal of this patch series is to improve documentation of .adjphase, add
a new callback .getmaxphase to enable advertising the max phase offset a
device PHC can support, and support invoking .adjphase from the testptp
kselftest.
Changes:
v2->v1:
* Removes arbitrary rule that the PHC servo must restore the frequency
to the value used in the last .adjfine call if any other PHC
operation is used after a .adjphase operation.
* Removes a macro introduced in v1 for adding PTP sysfs device
attribute nodes using a callback for populating the data.
Link: https://lore.kernel.org/netdev/20230120160609.19160723@kernel.org/
Link: https://lore.kernel.org/netdev/20230510205306.136766-1-rrameshbabu@nvidia.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a function that advertises a maximum offset of zero supported by
ptp_clock_info .adjphase in the OCP null ptp implementation.
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Jonathan Lemon <jonathan.lemon@gmail.com>
Cc: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Acked-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
Advertise the maximum offset the .adjphase callback is capable of
supporting in nanoseconds for IDT devices.
Refactor the negation of the offset stored in the register to be after the
boundary check of the offset value rather than before. Boundary check based
on the intended value rather than its device-specific representation.
Depend on ptp_clock_adjtime for handling out-of-range offsets.
ptp_clock_adjtime returns -ERANGE instead of clamping out-of-range offsets.
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Min Li <min.li.xe@renesas.com>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Advertise the maximum offset the .adjphase callback is capable of
supporting in nanoseconds for IDT ClockMatrix devices. Depend on
ptp_clock_adjtime for handling out-of-range offsets. ptp_clock_adjtime
returns -ERANGE instead of clamping out-of-range offsets.
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Vincent Cheng <vincent.cheng.xh@renesas.com>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement .getmaxphase callback of ptp_clock_info in mlx5 driver. No longer
do a range check in .adjphase callback implementation. Handled by the ptp
stack.
Cc: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enables advertisement of the maximum offset supported by the phase control
functionality of PHCs. The callback is used to return an error if an offset
not supported by the PHC is used in ADJ_OFFSET. The ioctls
PTP_CLOCK_GETCAPS and PTP_CLOCK_GETCAPS2 now advertise the maximum offset a
PHC's phase control functionality is capable of supporting. Introduce new
sysfs node, max_phase_adjustment.
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Maciek Machnikowski <maciek@machnikowski.net>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Invoke clock_adjtime syscall with tx.modes set with ADJ_OFFSET when testptp
is invoked with a phase adjustment offset value. Support seconds and
nanoseconds for the offset value.
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Maciek Machnikowski <maciek@machnikowski.net>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use existing NSEC_PER_SEC declaration in place of hardcoded magic numbers.
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Maciek Machnikowski <maciek@machnikowski.net>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mlx5_core driver has implemented ptp clock driver functionality but
lacked documentation about the PTP devices. This patch adds information
about the Mellanox device family.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
.adjphase expects a PHC to use an internal servo algorithm to correct the
provided phase offset target in the callback. Implementation of the
internal servo algorithm are defined by the individual devices.
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kuniyuki Iwashima says:
====================
ipv6: Random cleanup for Extension Header.
This series (1) cleans up pskb_may_pull() in some functions, where needed
data are already pulled by their caller, (2) removes redundant multicast
test, and (3) optimises reload timing of the header.
====================
Link: https://lore.kernel.org/r/20230614230107.22301-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
