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The subsequent commit needs to know whether every indirect buffer is
premapped or not. So we need to introduce an extra struct for every
indirect buffer to record this info.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-3-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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To make the code readable, introduce vring_need_unmap_buffer() to
replace do_unmap.
use_dma_api premapped -> vring_need_unmap_buffer()
1. false false false
2. true false true
3. true true false
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://patch.msgid.link/20241112012928.102478-2-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check that only one notification is produced for various FDB edit
operations.
Regarding the ip_link_add() and ip_link_master() helpers. This pattern of
action plus corresponding defer is bound to come up often, and a dedicated
vocabulary to capture it will be handy. tunnel_create() and vlan_create()
from forwarding/lib.sh are somewhat opaque and perhaps too kitchen-sinky,
so I tried to go in the opposite direction with these ones, and wrapped
only the bare minimum to schedule a corresponding cleanup.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/910c5880ae6d3b558d6889cbdba2be690c2615c6.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A number of selftests run processes in the background and need to kill them
afterwards. Instead for everyone to open-code the kill / wait / redirect
mantra, add a helper in net/lib.sh. Convert existing open-code sites.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Link: https://patch.msgid.link/a9db102067d741c118f0bd93b10c75e2a34665ea.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For logging to be useful, something has to set RET and retmsg by calling
ret_set_ksft_status(). There is a suite of functions to that end in
forwarding/lib: check_err, check_fail et.al. Move them to net/lib.sh so
that every net test can use them.
Existing lib.sh users might be using these same names for their functions.
However lib.sh is always sourced near the top of the file (checked), and
whatever new definitions will simply override the ones provided by lib.sh.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/f488a00dc85b8e0c1f3c71476b32b21b5189a847.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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It would be good to use the same mechanism for scheduling and dispatching
general net tests as the many forwarding tests already use. To that end,
move the logging helpers to net/lib.sh so that every net test can use them.
Existing lib.sh users might be using the name themselves. However lib.sh is
always sourced near the top of the file (checked), and whatever new
definition will simply override the one provided by lib.sh.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/a6fc083486493425b2c61185c327845b6ce3233a.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Many net selftests invent their own logging helpers. These really should be
in a library sourced by these tests. Currently forwarding/lib.sh has a
suite of perfectly fine logging helpers, but sourcing a forwarding/ library
from a higher-level directory smells of layering violation. In this patch,
move the logging helpers to net/lib.sh so that every net test can use them.
Together with the logging helpers, it's also necessary to move
pause_on_fail(), and EXIT_STATUS and RET.
Existing lib.sh users might be using these same names for their functions
or variables. However lib.sh is always sourced near the top of the
file (checked), and whatever new definitions will simply override the ones
provided by lib.sh.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://patch.msgid.link/edd3785a3bd72ffbe1409300989e993ee50ae98b.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In a similar fashion to ndo_fdb_add, which was covered in the previous
patch, add the bool *notified argument to ndo_fdb_del. Callees that send a
notification on their own set the flag to true.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/06b1acf4953ef0a5ed153ef1f32d7292044f2be6.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently when FDB entries are added to or deleted from a VXLAN netdevice,
the VXLAN driver emits one notification, including the VXLAN-specific
attributes. The core however always sends a notification as well, a generic
one. Thus two notifications are unnecessarily sent for these operations. A
similar situation comes up with bridge driver, which also emits
notifications on its own:
# ip link add name vx type vxlan id 1000 dstport 4789
# bridge monitor fdb &
[1] 1981693
# bridge fdb add de:ad:be:ef:13:37 dev vx self dst 192.0.2.1
de:ad:be:ef:13:37 dev vx dst 192.0.2.1 self permanent
de:ad:be:ef:13:37 dev vx self permanent
In order to prevent this duplicity, add a paremeter to ndo_fdb_add,
bool *notified. The flag is primed to false, and if the callee sends a
notification on its own, it sets it to true, thus informing the core that
it should not generate another notification.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/cbf6ae8195e85cbf922f8058ce4eba770f3b71ed.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unnecessary spaces.
Signed-off-by: Justin Lai <justinlai0215@realtek.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241114112549.376101-3-justinlai0215@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Modify the name of the goto label in rtase_init_one().
Signed-off-by: Justin Lai <justinlai0215@realtek.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241114112549.376101-2-justinlai0215@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The netpoll subsystem maintains a pool of 32 pre-allocated SKBs per
instance, but these SKBs are not freed when the netpoll user is brought
down. This leads to memory waste as these buffers remain allocated but
unused.
Add skb_pool_flush() to properly clean up these SKBs when netconsole is
terminated, improving memory efficiency.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20241114-skb_buffers_v2-v3-2-9be9f52a8b69@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The current implementation of the netpoll system uses a global skb
pool, which can lead to inefficient memory usage and
waste when targets are disabled or no longer in use.
This can result in a significant amount of memory being unnecessarily
allocated and retained, potentially causing performance issues and
limiting the availability of resources for other system components.
Modify the netpoll system to assign a skb pool to each target instead of
using a global one.
This approach allows for more fine-grained control over memory
allocation and deallocation, ensuring that resources are only allocated
and retained as needed.
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20241114-skb_buffers_v2-v3-1-9be9f52a8b69@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is a spelling mistake in a NL_SET_ERR_MSG_MOD error message.
Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://patch.msgid.link/20241114102012.1868514-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since commit d35c99ff77ec ("netlink: do not enter direct reclaim from
netlink_dump()") the cap is 32KiB.
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20241113-tcp-md5-diag-prep-v2-5-00a2a7feb1fa@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move the kdump check into enic_adjust_resources() so that everything
that modifies resources is in the same function.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-7-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move the enic resource adjustments out of enic_set_intr_mode() and into
its own function, enic_adjust_resources().
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-6-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Instead of failing to use MSI-X if resources aren't configured exactly
right, use the resources we do have. Since we could start using large
numbers of rq resources, we do limit the rq count to what
netif_get_num_default_rss_queues() recommends.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-5-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Allocate wq, rq, cq, intr, and napi arrays based on the number of
resources configured in the VIC.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-4-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Save the resources counts for wq,rq,cq, and interrupts in *_avail variables
so that we don't lose the information when adjusting the counts we are
actually using.
Report the wq_avail and rq_avail as the channel maximums in 'ethtool -l'
output.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-3-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The VIC hardware has a constraint that the MSIX interrupt used for errors
be specified as a 7 bit number. Before this patch, it was allocated after
the I/O interrupts, which would cause a problem if 128 or more I/O
interrupts are in use.
So make the required interrupts come before the I/O interrupts to
guarantee the error interrupt offset never exceeds 7 bits.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-2-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Bundling the wq/rq specific data into dedicated enic_wq/rq structures
cleans up the enic structure and simplifies future changes related to
wq/rq.
Co-developed-by: John Daley <johndale@cisco.com>
Signed-off-by: John Daley <johndale@cisco.com>
Co-developed-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241113-remove_vic_resource_limits-v4-1-a34cf8570c67@cisco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Adds support for clause-45 PHY loopback for the Microchip LAN887x driver.
Signed-off-by: Tarun Alle <Tarun.Alle@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241114101951.382996-1-Tarun.Alle@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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"id" is not a documented property, so drop it.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20241113225642.1783485-2-robh@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Current implementation of gettimex64() makes at least 3 PCIe reads to
get current PHC time. It takes at least 2.2us to get this value back to
userspace. At the same time there is cached value of upper bits of PHC
available for packet timestamps already. This patch reuses cached value
to speed up reading of PHC time.
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20241114114820.1411660-1-vadfed@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Hold rcu_read_lock during netdev_nl_napi_set_doit, which calls
napi_by_id and requires rcu_read_lock to be held.
Closes: https://lore.kernel.org/netdev/719083c2-e277-447b-b6ea-ca3acb293a03@redhat.com/
Fixes: 1287c1ae0fc2 ("netdev-genl: Support setting per-NAPI config values")
Signed-off-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20241114175600.18882-1-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Hitherto, these operations have been converted in user space to
mask-and-xor operations on one register and two immediate values, and it
is the latter which have been evaluated by the kernel. We add support
for evaluating these operations directly in kernel space on one register
and either an immediate value or a second register.
Pablo made a few changes to the original patch:
- EINVAL if NFTA_BITWISE_SREG2 is used with fast version.
- Allow _AND,_OR,_XOR with _DATA != sizeof(u32)
- Dump _SREG2 or _DATA with _AND,_OR,_XOR
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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In the next patch we add support for doing AND, OR and XOR operations
directly in the kernel, so rename some functions and an enum constant
related to mask-and-xor boolean operations.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use ip4h_dscp() instead of reading iph->tos directly.
ip4h_dscp() returns a dscp_t value which is temporarily converted back
to __u8 with inet_dscp_to_dsfield(). When converting ->flowi4_tos to
dscp_t in the future, we'll only have to remove that
inet_dscp_to_dsfield() call.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use ip4h_dscp() instead of reading iph->tos directly.
ip4h_dscp() returns a dscp_t value which is temporarily converted back
to __u8 with inet_dscp_to_dsfield(). When converting ->flowi4_tos to
dscp_t in the future, we'll only have to remove that
inet_dscp_to_dsfield() call.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use ip4h_dscp() instead of reading iph->tos directly.
ip4h_dscp() returns a dscp_t value which is temporarily converted back
to __u8 with inet_dscp_to_dsfield(). When converting ->flowi4_tos to
dscp_t in the future, we'll only have to remove that
inet_dscp_to_dsfield() call.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use ip4h_dscp()instead of reading ip_hdr()->tos directly.
ip4h_dscp() returns a dscp_t value which is temporarily converted back
to __u8 with inet_dscp_to_dsfield(). When converting ->flowi4_tos to
dscp_t in the future, we'll only have to remove that
inet_dscp_to_dsfield() call.
Also, remove the comment about the net/ip.h include file, since it's
now required for the ip4h_dscp() helper too.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use ip4h_dscp()instead of reading iph->tos directly.
ip4h_dscp() returns a dscp_t value which is temporarily converted back
to __u8 with inet_dscp_to_dsfield(). When converting ->flowi4_tos to
dscp_t in the future, we'll only have to remove that
inet_dscp_to_dsfield() call.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The combination of ntuple action (ring_cookie) and RSS context can
cause an ntuple rule to target a higher queue than appears in any
RSS indirection table or directly in the ntuple rule, since the two
numbers are added together. Verify the logic that prevents reducing
the queue count in this case.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/58276b800ab78c0a79c1918046ccae7fe45ba802.1731499022.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Test creates an ntuple filter with 'action 2' and an RSS context whose
indirection table has entries 0 and 1. Resulting traffic should go to
queues 2 and 3; verify that it never hits queues 0 and 1.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/114afdf4d2867f72ed27751e8e08fe8b128a8529.1731499022.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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sfc hardware does not support filters with only ipproto + dst-port;
adding dst-ip to the flow spec allows the rss_ctx test to be run on
these devices.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Link: https://patch.msgid.link/8e5d23c8f21310c23c080cc7bcd31b76f8fd3096.1731499022.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In ethtool_check_max_channel(), the new RX count must not only cover the
max queue indices in RSS indirection tables and RXNFC destinations
separately, but must also, for RXNFC rules with FLOW_RSS, cover the sum
of the destination queue and the maximum index in the associated RSS
context's indirection table, since that is the highest queue that the
rule can actually deliver traffic to.
It could be argued that the max queue across all custom RSS contexts
(ethtool_get_max_rss_ctx_channel()) need no longer be considered, since
any context to which packets can actually be delivered will be targeted
by some RXNFC rule and its max will thus be allowed for by
ethtool_get_max_rxnfc_channel(). For simplicity we keep both checks, so
even RSS contexts unused by any RXNFC rule must fit the channel count.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/43257d375434bef388e36181492aa4c458b88336.1731499022.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ethtool ntuple filters with FLOW_RSS were originally defined as adding
the base queue ID (ring_cookie) to the value from the indirection table,
so that the same table could distribute over more than one set of queues
when used by different filters.
However, some drivers / hardware ignore the ring_cookie, and simply use
the indirection table entries as queue IDs directly. Thus, for drivers
which have not opted in by setting ethtool_ops.cap_rss_rxnfc_adds to
declare that they support the original (addition) semantics, reject in
ethtool_set_rxnfc any filter which combines FLOW_RSS and a nonzero ring.
(For a ring_cookie of zero, both behaviours are equivalent.)
Set the cap bit in sfc, as it is known to support this feature.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Link: https://patch.msgid.link/cc3da0844083b0e301a33092a6299e4042b65221.1731499022.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The example has "interrupt" property which is not a defined property. It
should be "interrupts" instead. "interrupts" also should not contain a
phandle.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20241113225825.1785588-2-robh@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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"marvell,reg-init" is not yet documented by schema. It's irrelevant to
the example, so just drop it.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20241113225713.1784118-2-robh@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The sparx5 switchdev driver can be built either with or without support
for the Lan969x switch. However, it cannot be built-in when the lan969x
driver is a loadable module because of a link-time dependency:
arm-linux-gnueabi-ld: drivers/net/ethernet/microchip/sparx5/sparx5_main.o:(.rodata+0xd44): undefined reference to `lan969x_desc'
Add a Kconfig dependency to reflect this in Kconfig, allowing all
the valid configurations but forcing sparx5 to be a loadable module
as well if lan969x is.
Fixes: 98a01119608d ("net: sparx5: add compatible string for lan969x")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://patch.msgid.link/20241113115513.4132548-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We recently added this error path. We need to call enetc_pci_remove()
before returning. It cleans up the resources from enetc_pci_probe().
Fixes: 99100d0d9922 ("net: enetc: add preliminary support for i.MX95 ENETC PF")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/93888efa-c838-4682-a7e5-e6bf318e844e@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The mdio45_ethtool_gset_npage() function isn't called, so let's remove
it.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Link: https://patch.msgid.link/20241112105430.438491-2-alistair@alistair23.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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mdio45_ethtool_gset() is never called, so let's remove it.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Link: https://patch.msgid.link/20241112105430.438491-1-alistair@alistair23.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use ip4h_dscp() to get the DSCP from the IPv4 header, then convert the
dscp_t value to __u8 with inet_dscp_to_dsfield().
Then, when we'll convert .flowi4_tos to dscp_t, we'll just have to drop
the inet_dscp_to_dsfield() call.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/8338a12377c44f698a651d1ce357dd92bdf18120.1731064982.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use ip4h_dscp() to get the DSCP from the IPv4 header, then convert the
dscp_t value to __u8 with inet_dscp_to_dsfield().
Then, when we'll convert .flowi4_tos to dscp_t, we'll just have to drop
the inet_dscp_to_dsfield() call.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/35eacc8955003e434afb1365d404193cc98a9579.1731064982.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The notification handling in ynl is currently very simple, using sleep()
to wait a period of time and then handling all the buffered messages in
a single batch.
This patch adds async notification handling so that messages can be
processed as they are received. This makes it possible to use ynl as a
library that supplies notifications in a timely manner.
- Add poll_ntf() to be a generator that yields 1 notification at a
time and blocks until a notification is available.
- Add a --duration parameter to the CLI, with --sleep as an alias.
./tools/net/ynl/cli.py \
--spec <SPEC> --subscribe <TOPIC> [ --duration <SECS> ]
The cli will report any notifications for duration seconds and then
exit. If duration is not specified, then it will poll forever, until
interrupted.
Here is an example python snippet that shows how to use ynl as a library
for receiving notifications:
ynl = YnlFamily(f"{dir}/rt_route.yaml")
ynl.ntf_subscribe('rtnlgrp-ipv4-route')
for event in ynl.poll_ntf():
handle(event)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20241113090843.72917-3-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This reverts commit 1bf70e6c3a5346966c25e0a1ff492945b25d3f80.
This modification to check_ntf() is being reverted so that its behaviour
remains equivalent to ynl_ntf_check() in the C YNL. Instead a new
poll_ntf() will be added in a separate patch.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20241113090843.72917-2-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vendor driver r8125 doesn't advertise 2.5G EEE on RTL8125A, and r8126
doesn't advertise 5G EEE. Likely there are compatibility issues,
therefore do the same in r8169.
With this change we don't have to disable 2.5G EEE advertisement in
rtl8125a_config_eee_phy() any longer.
We use new phylib accessor phy_set_eee_broken() to mark the respective
EEE modes as broken.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/ce185e10-8a2f-4cf8-a49b-fd8fb3c3c8a1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add an accessor for eee_broken_modes, so that drivers
don't have to deal with phylib internals.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/0f8ee279-d40d-4489-a3b0-d993472d744a@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Xuan Zhuo
Petr Machata
Justin Lai
Breno Leitao
Colin Ian King
Dmitry Safonov
Nelson Escobar
Tarun Alle
Rob Herring (Arm)
Vadim Fedorenko
Joe Damato
Jeremy Sowden
Guillaume Nault
Edward Cree
Arnd Bergmann
Dan Carpenter
Alistair Francis
Donald Hunter
Heiner Kallweit