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Follow the object_action() naming convention for netmem non-page_pool
reference helpers by renaming get_netmem() and put_netmem() to
netmem_inc_ref() and netmem_dec_ref().
Use netmem_inc_ref() and netmem_dec_ref() rather than netmem_ref() and
netmem_unref() because netmem_ref is already a typedef (typedef unsigned
long __bitwise netmem_ref).
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20261021015558.4124825-3-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Follow the object_action() naming convention for net_iov non-page_pool
reference helpers by renaming get_net_iov() and put_net_iov() to
net_iov_inc_ref() and net_iov_dec_ref(), and renaming
net_devmem_get_net_iov() and net_devmem_put_net_iov() to
net_devmem_net_iov_inc_ref() and net_devmem_net_iov_dec_ref().
Use *_inc_ref() and *_dec_ref() rather than *_ref() and *_unref() to
pair symmetrically with netmem_inc_ref() and netmem_dec_ref() (since
netmem_ref is already the typedef for the generic network memory
handle).
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20261021015558.4124825-2-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The old test_bpf module is going away, therefore port the two test
cases which were added in 76db8087c4c9 ("net: bpf: add a test for
skb_segment in test_bpf module") as well as cf204a718357 ("bpf,
testing: Introduce 'gso_linear_no_head_frag' skb_segment test")
into the net_test.c to retain coverage. With it in place:
# Subtest: gso_test_func
ok 1 no_gso
ok 2 linear
ok 3 frags
ok 4 frags_pure
ok 5 gso_partial
ok 6 frag_list
ok 7 frag_list_pure
ok 8 frag_list_non_uniform
ok 9 frag_list_head_frag
ok 10 frag_list_no_head_frag
ok 11 gso_by_frags
ok 12 resegment
ok 13 resegment_multi
ok 14 resegment_tail
ok 15 resegment_one_mss
# gso_test_func: pass:15 fail:0 skip:0 total:15
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Willem de Bruijn <willemb@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20261015151033.591439-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Verify that non-pp (page._refcount / binding->ref) and page_pool
(pp_ref_count) references stay balanced without cross-counter leaks or
underflows across regular pages, page_pool pages, non-pp net_iovs, and
page_pool net_iovs with both pp_recycle=0 and pp_recycle=1.
Cover get/put_net_iov(), get/put_netmem(), napi_pp_get/put_page(),
skb_netmem_ref/unref(), skb_frag_ref/unref(), pskb_copy(),
skb_zerocopy(), skb_shift(), skb_split(), skb_try_coalesce(),
skb_release_data() (clones, unclone ordering, pskb_extract(), and
skb_morph()), skb_segment(), and devmem tcp_recvmsg_dmabuf() /
SO_DEVMEM_DONTNEED.
Export skb_shift() via EXPORT_SYMBOL_IF_KUNIT() so the test links when
built as a module (CONFIG_NET_TEST=m).
Assisted-by: LLM
Signed-off-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20261014173945.373295-7-almasrymina@google.com
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The GSO engine can now be asked to group several MSS segments into one
output skb, which is what re-segmentation needs. Add KUnit coverage for
the max_segs parameter.
The parameterized GSO test gains a max_segs input and four cases: a limit
of two MSS applied to a 3003 byte and to a 5003 byte payload, a tail which
holds one MSS and is therefore not a GSO skb, and a max_segs of one MSS
which must leave the output unchanged. It drives skb_segment() directly,
because the synthetic protocol it uses has no gso_segment callback.
Assisted-by: LLM
Signed-off-by: Wang Zhan <wang.zhan@smartx.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20261008100651.2534957-7-wang.zhan@smartx.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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In PFCP receive path set metadata needed by flower code to do correct
classification based on this metadata.
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that there are helpers for converting IP tunnel flags between the
old __be16 format and the bitmap format, make sure they work as expected
by adding a couple of tests to the networking testing suite. The helpers
are all inline, so no dependencies on the related CONFIG_* (or a
standalone module) are needed.
Cover three possible cases:
1. No bits past BIT(15) are set, VTI/SIT bits are not set. This
conversion is almost a direct assignment.
2. No bits past BIT(15) are set, but VTI/SIT bit is set. During the
conversion, it must be transformed into BIT(16) in the bitmap,
but still compatible with the __be16 format.
3. The bitmap has bits past BIT(15) set (not the VTI/SIT one). The
result will be truncated.
Note that currently __IP_TUNNEL_FLAG_NUM is 17 (incl. special),
which means that the result of this case is currently
semi-false-positive. When BIT(17) is finally here, it will be
adjusted accordingly.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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