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Some BPF selftests contain identical copies of the min(), max(),
before(), and after() helpers. These repeated snippets are the same
across the tests and do not need to be defined separately.
Move these helpers into bpf_tracing_net.h so they can be shared by
TCP related BPF programs. This removes repeated code and keeps the
helpers in a single place.
Reviewed-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Hoyeon Lee <hoyeon.lee@suse.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20251115225550.1086693-4-hoyeon.lee@suse.com
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Fix spelling typos and grammar errors in BPF selftests source code.
Signed-off-by: Shubham Sharma <slopixelz@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250826125746.17983-1-slopixelz@gmail.com
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It is needed to remove the BPF_STRUCT_OPS usages from the tcp-cc tests
because it is defined in bpf_tcp_helpers.h which is going to be retired.
While at it, this patch consolidates all tcp-cc struct_ops programs to
use the SEC("struct_ops") + BPF_PROG().
It also removes the unnecessary __always_inline usages from the
tcp-cc tests.
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240509175026.3423614-5-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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This patch adds a few tcp related helper functions to bpf_tracing_net.h.
They will be useful for both tcp-cc and network tracing related
bpf progs. They have already been in the bpf_tcp_helpers.h. This change
is needed to retire the bpf_tcp_helpers.h and consolidate all tests
to vmlinux.h (i.e. bpf_tracing_net.h).
Some of the helpers (tcp_sk and inet_csk) are also defined in
bpf_cc_cubic.c and they are removed. While at it, remove
the vmlinux.h from bpf_cc_cubic.c. bpf_tracing_net.h (which has
vmlinux.h after this patch) is enough and will be consistent
with the other tcp-cc tests in the later patches.
The other TCP_* macro additions will be needed for the bpf_dctcp
changes in the later patch.
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240509175026.3423614-3-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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This patch adds a selftest to show the usage of the new arguments in
cong_control. For simplicity's sake, the testing example reuses cubic's
kernel functions.
Signed-off-by: Miao Xu <miaxu@meta.com>
Link: https://lore.kernel.org/r/20240502042318.801932-4-miaxu@meta.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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