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11 Commits

Author SHA1 Message Date
Jakub Kicinski
f70d9819c7 selftests: drv-net: devmem: use new mattr ynl helpers 
Use the just-added YNL helpers instead of manually setting
"_present" bits in the queue attrs. Compile tested only.

Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Acked-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250723171046.4027470-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-07-24 17:28:49 -07:00
Mina Almasry
46cbaef5d8 selftests: devmem: remove unused variable 
Trivial fix to unused variable.

Signed-off-by: Mina Almasry <almasrymina@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250615203511.591438-2-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-06-17 18:00:26 -07:00
Mina Almasry
affffcbb87 net: devmem: ncdevmem: remove unused variable 
This variable is unused and can be removed.

Signed-off-by: Mina Almasry <almasrymina@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250523230524.1107879-9-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-05-27 19:19:36 -07:00
Mina Almasry
243d47a5e1 net: devmem: ksft: add 5 tuple FS support 
ncdevmem supports drivers that are limited to either 3-tuple or 5-tuple
FS support, but the ksft is currently 3-tuple only. Support drivers that
have 5-tuple FS supported by adding a ksft arg.

Signed-off-by: Mina Almasry <almasrymina@google.com>

fix 5-tuple

fix 5-tuple
Acked-by: Stanislav Fomichev <sdf@fomichev.me>

Link: https://patch.msgid.link/20250523230524.1107879-7-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-05-27 19:19:36 -07:00
Stanislav Fomichev
61f24c6885 selftests: ncdevmem: make chunking optional 
Add new -z argument to specify max IOV size. By default, use
single large IOV.

Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2025-05-26 10:00:48 +01:00
Jakub Kicinski
bebd7b2626 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 
Cross-merge networking fixes after downstream PR (net-6.15-rc7).

Conflicts:

tools/testing/selftests/drivers/net/hw/ncdevmem.c
  97c4e094a4 ("tests/ncdevmem: Fix double-free of queue array")
  2f1a805f32 ("selftests: ncdevmem: Implement devmem TCP TX")
https://lore.kernel.org/20250514122900.1e77d62d@canb.auug.org.au

Adjacent changes:

net/core/devmem.c
net/core/devmem.h
  0afc44d8cd ("net: devmem: fix kernel panic when netlink socket close after module unload")
  bd61848900 ("net: devmem: Implement TX path")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-05-15 11:28:30 -07:00
Mina Almasry
2f1a805f32 selftests: ncdevmem: Implement devmem TCP TX 
Add support for devmem TX in ncdevmem.

This is a combination of the ncdevmem from the devmem TCP series RFCv1
which included the TX path, and work by Stan to include the netlink API
and refactored on top of his generic memory_provider support.

Signed-off-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250508004830.4100853-10-almasrymina@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 2025-05-13 11:12:49 +02:00
Cosmin Ratiu
97c4e094a4 tests/ncdevmem: Fix double-free of queue array 
netdev_bind_rx takes ownership of the queue array passed as parameter
and frees it, so a queue array buffer cannot be reused across multiple
netdev_bind_rx calls.

This commit fixes that by always passing in a newly created queue array
to all netdev_bind_rx calls in ncdevmem.

Fixes: 85585b4bc8 ("selftests: add ncdevmem, netcat for devmem TCP")
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250508084434.1933069-1-cratiu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-05-09 15:05:07 -07:00
Jakub Kicinski
a980da54b6 selftests: drv-net: remove an unnecessary libmnl include 
ncdevmem doesn't need libmnl, remove the unnecessary include.

Since YNL doesn't depend on libmnl either, any more, it's actually
possible to build selftests without having libmnl installed.

Reviewed-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250207183119.1721424-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2025-02-10 19:09:58 -08:00
Jamal Hadi Salim
6724bc65e5 selftests: net: remove redundant ncdevmem print 
Remove extrenous fprintf

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20241218140018.15607-1-jhs@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-12-19 19:15:01 -08:00
Stanislav Fomichev
be43a6b238 selftests: ncdevmem: Move ncdevmem under drivers/net/hw 
This is where all the tests that depend on the HW functionality live in
and this is where the automated test is gonna be added in the next
patch.

Reviewed-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20241107181211.3934153-12-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-11-11 17:01:04 -08:00