Revision tags: v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3, v6.5.2, v6.1.51, v6.5.1, v6.1.50, v6.5, v6.1.49, v6.1.48, v6.1.46, v6.1.45, v6.1.44, v6.1.43, v6.1.42, v6.1.41, v6.1.40, v6.1.39, v6.1.38, v6.1.37, v6.1.36, v6.4, v6.1.35, v6.1.34, v6.1.33, v6.1.32, v6.1.31, v6.1.30 |
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#
f726e035 |
| 22-May-2023 |
John Fastabend <john.fastabend@gmail.com> |
bpf, sockmap: Test progs verifier error with latest clang
With a relatively recent clang (7090c10273119) and with this commit to fix warnings in selftests (c8ed668593972) that uses __sink(err) to re
bpf, sockmap: Test progs verifier error with latest clang
With a relatively recent clang (7090c10273119) and with this commit to fix warnings in selftests (c8ed668593972) that uses __sink(err) to resolve unused variables. We get the following verifier error.
root@6e731a24b33a:/host/tools/testing/selftests/bpf# ./test_sockmap libbpf: prog 'bpf_sockmap': BPF program load failed: Permission denied libbpf: prog 'bpf_sockmap': -- BEGIN PROG LOAD LOG -- 0: R1=ctx(off=0,imm=0) R10=fp0 ; op = (int) skops->op; 0: (61) r2 = *(u32 *)(r1 +0) ; R1=ctx(off=0,imm=0) R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) ; switch (op) { 1: (16) if w2 == 0x4 goto pc+5 ; R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) 2: (56) if w2 != 0x5 goto pc+15 ; R2_w=5 ; lport = skops->local_port; 3: (61) r2 = *(u32 *)(r1 +68) ; R1=ctx(off=0,imm=0) R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) ; if (lport == 10000) { 4: (56) if w2 != 0x2710 goto pc+13 18: R1=ctx(off=0,imm=0) R2=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) R10=fp0 ; __sink(err); 18: (bc) w1 = w0 R0 !read_ok processed 18 insns (limit 1000000) max_states_per_insn 0 total_states 2 peak_states 2 mark_read 1 -- END PROG LOAD LOG -- libbpf: prog 'bpf_sockmap': failed to load: -13 libbpf: failed to load object 'test_sockmap_kern.bpf.o' load_bpf_file: (-1) No such file or directory ERROR: (-1) load bpf failed libbpf: prog 'bpf_sockmap': BPF program load failed: Permission denied libbpf: prog 'bpf_sockmap': -- BEGIN PROG LOAD LOG -- 0: R1=ctx(off=0,imm=0) R10=fp0 ; op = (int) skops->op; 0: (61) r2 = *(u32 *)(r1 +0) ; R1=ctx(off=0,imm=0) R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) ; switch (op) { 1: (16) if w2 == 0x4 goto pc+5 ; R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) 2: (56) if w2 != 0x5 goto pc+15 ; R2_w=5 ; lport = skops->local_port; 3: (61) r2 = *(u32 *)(r1 +68) ; R1=ctx(off=0,imm=0) R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) ; if (lport == 10000) { 4: (56) if w2 != 0x2710 goto pc+13 18: R1=ctx(off=0,imm=0) R2=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) R10=fp0 ; __sink(err); 18: (bc) w1 = w0 R0 !read_ok processed 18 insns (limit 1000000) max_states_per_insn 0 total_states 2 peak_states 2 mark_read 1 -- END PROG LOAD LOG -- libbpf: prog 'bpf_sockmap': failed to load: -13 libbpf: failed to load object 'test_sockhash_kern.bpf.o' load_bpf_file: (-1) No such file or directory ERROR: (-1) load bpf failed libbpf: prog 'bpf_sockmap': BPF program load failed: Permission denied libbpf: prog 'bpf_sockmap': -- BEGIN PROG LOAD LOG -- 0: R1=ctx(off=0,imm=0) R10=fp0 ; op = (int) skops->op; 0: (61) r2 = *(u32 *)(r1 +0) ; R1=ctx(off=0,imm=0) R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) ; switch (op) { 1: (16) if w2 == 0x4 goto pc+5 ; R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) 2: (56) if w2 != 0x5 goto pc+15 ; R2_w=5 ; lport = skops->local_port; 3: (61) r2 = *(u32 *)(r1 +68) ; R1=ctx(off=0,imm=0) R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) ; if (lport == 10000) { 4: (56) if w2 != 0x2710 goto pc+13 18: R1=ctx(off=0,imm=0) R2=scalar(umax=4294967295,var_off=(0x0; 0xffffffff)) R10=fp0 ; __sink(err); 18: (bc) w1 = w0 R0 !read_ok processed 18 insns (limit 1000000) max_states_per_insn 0 total_states 2 peak_states 2 mark_read 1 -- END PROG LOAD LOG --
To fix simply remove the err value because its not actually used anywhere in the testing. We can investigate the root cause later. Future patch should probably actually test the err value as well. Although if the map updates fail they will get caught eventually by userspace.
Fixes: c8ed668593972 ("selftests/bpf: fix lots of silly mistakes pointed out by compiler") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/20230523025618.113937-15-john.fastabend@gmail.com
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Revision tags: v6.1.29, v6.1.28, v6.1.27, v6.1.26, v6.3, v6.1.25, v6.1.24, v6.1.23, v6.1.22, v6.1.21, v6.1.20, v6.1.19, v6.1.18, v6.1.17, v6.1.16 |
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#
c8ed6685 |
| 08-Mar-2023 |
Andrii Nakryiko <andrii@kernel.org> |
selftests/bpf: fix lots of silly mistakes pointed out by compiler
Once we enable -Wall for BPF sources, compiler will complain about lots of unused variables, variables that are set but never read,
selftests/bpf: fix lots of silly mistakes pointed out by compiler
Once we enable -Wall for BPF sources, compiler will complain about lots of unused variables, variables that are set but never read, etc.
Fix all these issues first before enabling -Wall in Makefile.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20230309054015.4068562-4-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Revision tags: v6.1.15, v6.1.14, v6.1.13, v6.2, v6.1.12, v6.1.11, v6.1.10, v6.1.9, v6.1.8, v6.1.7, v6.1.6, v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16, v6.1.1, v6.0.15, v6.0.14, v6.0.13, v6.1, v6.0.12, v6.0.11, v6.0.10, v5.15.80, v6.0.9, v5.15.79, v6.0.8, v5.15.78, v6.0.7, v5.15.77, v5.15.76, v6.0.6, v6.0.5, v5.15.75, v6.0.4, v6.0.3, v6.0.2, v5.15.74, v5.15.73, v6.0.1, v5.15.72, v6.0, v5.15.71, v5.15.70, v5.15.69, v5.15.68, v5.15.67, v5.15.66, v5.15.65, v5.15.64, v5.15.63, v5.15.62, v5.15.61, v5.15.60, v5.15.59, v5.19, v5.15.58, v5.15.57, v5.15.56, v5.15.55, v5.15.54, v5.15.53, v5.15.52, v5.15.51, v5.15.50, v5.15.49, v5.15.48, v5.15.47, v5.15.46, v5.15.45, v5.15.44, v5.15.43, v5.15.42, v5.18, v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.17, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24 |
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#
61d06f01 |
| 11-Feb-2022 |
Felix Maurer <fmaurer@redhat.com> |
selftests: bpf: Check bpf_msg_push_data return value
bpf_msg_push_data may return a non-zero value to indicate an error. The return value should be checked to prevent undetected errors.
To indicate
selftests: bpf: Check bpf_msg_push_data return value
bpf_msg_push_data may return a non-zero value to indicate an error. The return value should be checked to prevent undetected errors.
To indicate an error, the BPF programs now perform a different action than their intended one to make the userspace test program notice the error, i.e., the programs supposed to pass/redirect drop, the program supposed to drop passes.
Fixes: 84fbfe026acaa ("bpf: test_sockmap add options to use msg_push_data") Signed-off-by: Felix Maurer <fmaurer@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/89f767bb44005d6b4dd1f42038c438f76b3ebfad.1644601294.git.fmaurer@redhat.com
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Revision tags: v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11 |
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#
dd65acf7 |
| 07-Oct-2021 |
Dave Marchevsky <davemarchevsky@fb.com> |
selftests/bpf: Remove SEC("version") from test progs
Since commit 6c4fc209fcf9d ("bpf: remove useless version check for prog load") these "version" sections, which result in bpf_attr.kern_version be
selftests/bpf: Remove SEC("version") from test progs
Since commit 6c4fc209fcf9d ("bpf: remove useless version check for prog load") these "version" sections, which result in bpf_attr.kern_version being set, have been unnecessary.
Remove them so that it's obvious to folks using selftests as a guide that "modern" BPF progs don't need this section.
Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211007231234.2223081-1-davemarchevsky@fb.com
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#
755d4b74 |
| 11-Feb-2022 |
Felix Maurer <fmaurer@redhat.com> |
selftests: bpf: Check bpf_msg_push_data return value
commit 61d06f01f9710b327a53492e5add9f972eb909b3 upstream.
bpf_msg_push_data may return a non-zero value to indicate an error. The return value s
selftests: bpf: Check bpf_msg_push_data return value
commit 61d06f01f9710b327a53492e5add9f972eb909b3 upstream.
bpf_msg_push_data may return a non-zero value to indicate an error. The return value should be checked to prevent undetected errors.
To indicate an error, the BPF programs now perform a different action than their intended one to make the userspace test program notice the error, i.e., the programs supposed to pass/redirect drop, the program supposed to drop passes.
Fixes: 84fbfe026acaa ("bpf: test_sockmap add options to use msg_push_data") Signed-off-by: Felix Maurer <fmaurer@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/89f767bb44005d6b4dd1f42038c438f76b3ebfad.1644601294.git.fmaurer@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14 |
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#
91274ca5 |
| 01-Oct-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf, sockmap: Update selftests to use skb_adjust_room
Instead of working around TLS headers in sockmap selftests use the new skb_adjust_room helper. This allows us to avoid special casing the receiv
bpf, sockmap: Update selftests to use skb_adjust_room
Instead of working around TLS headers in sockmap selftests use the new skb_adjust_room helper. This allows us to avoid special casing the receive side to skip headers.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160160100932.7052.3646935243867660528.stgit@john-Precision-5820-Tower
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Revision tags: v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7 |
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#
53792fa4 |
| 25-Jun-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf, sockmap: Add ingres skb tests that utilize merge skbs
Add a test to check strparser merging skbs is working.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Star
bpf, sockmap: Add ingres skb tests that utilize merge skbs
Add a test to check strparser merging skbs is working.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/159312681884.18340.4922800172600252370.stgit@john-XPS-13-9370
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Revision tags: v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7 |
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463bac5f |
| 29-May-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf, selftests: Add test for ktls with skb bpf ingress policy
This adds a test for bpf ingress policy. To ensure data writes happen as expected with extra TLS headers we run these tests with data ve
bpf, selftests: Add test for ktls with skb bpf ingress policy
This adds a test for bpf ingress policy. To ensure data writes happen as expected with extra TLS headers we run these tests with data verification enabled by default. This will test receive packets have "PASS" stamped into the front of the payload.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/159079363965.5745.3390806911628980210.stgit@john-Precision-5820-Tower Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Revision tags: v5.4.43, v5.4.42, v5.4.41 |
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d79a3212 |
| 13-May-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf: Selftests, remove prints from sockmap tests
The prints in the test_sockmap programs were only useful when we didn't have enough control over test infrastructure to know from user program what w
bpf: Selftests, remove prints from sockmap tests
The prints in the test_sockmap programs were only useful when we didn't have enough control over test infrastructure to know from user program what was being pushed into kernel side.
Now that we have or will shortly have better test controls lets remove the printers. This means we can remove half the programs and cleanup bpf side.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939720756.15176.9806965887313279429.stgit@john-Precision-5820-Tower
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#
991e35ee |
| 13-May-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf: Selftests, move sockmap bpf prog header into progs
Moves test_sockmap_kern.h into progs directory but does not change code at all.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Sign
bpf: Selftests, move sockmap bpf prog header into progs
Moves test_sockmap_kern.h into progs directory but does not change code at all.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939718921.15176.5766299102332077086.stgit@john-Precision-5820-Tower
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Revision tags: v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14 |
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#
91274ca5 |
| 01-Oct-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf, sockmap: Update selftests to use skb_adjust_room Instead of working around TLS headers in sockmap selftests use the new skb_adjust_room helper. This allows us to avoid special casin
bpf, sockmap: Update selftests to use skb_adjust_room Instead of working around TLS headers in sockmap selftests use the new skb_adjust_room helper. This allows us to avoid special casing the receive side to skip headers. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160160100932.7052.3646935243867660528.stgit@john-Precision-5820-Tower
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Revision tags: v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7 |
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#
53792fa4 |
| 25-Jun-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf, sockmap: Add ingres skb tests that utilize merge skbs Add a test to check strparser merging skbs is working. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed
bpf, sockmap: Add ingres skb tests that utilize merge skbs Add a test to check strparser merging skbs is working. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/159312681884.18340.4922800172600252370.stgit@john-XPS-13-9370
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Revision tags: v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7 |
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#
463bac5f |
| 29-May-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf, selftests: Add test for ktls with skb bpf ingress policy This adds a test for bpf ingress policy. To ensure data writes happen as expected with extra TLS headers we run these tests
bpf, selftests: Add test for ktls with skb bpf ingress policy This adds a test for bpf ingress policy. To ensure data writes happen as expected with extra TLS headers we run these tests with data verification enabled by default. This will test receive packets have "PASS" stamped into the front of the payload. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/159079363965.5745.3390806911628980210.stgit@john-Precision-5820-Tower Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Revision tags: v5.4.43, v5.4.42, v5.4.41 |
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#
d79a3212 |
| 13-May-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf: Selftests, remove prints from sockmap tests The prints in the test_sockmap programs were only useful when we didn't have enough control over test infrastructure to know from use
bpf: Selftests, remove prints from sockmap tests The prints in the test_sockmap programs were only useful when we didn't have enough control over test infrastructure to know from user program what was being pushed into kernel side. Now that we have or will shortly have better test controls lets remove the printers. This means we can remove half the programs and cleanup bpf side. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939720756.15176.9806965887313279429.stgit@john-Precision-5820-Tower
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991e35ee |
| 13-May-2020 |
John Fastabend <john.fastabend@gmail.com> |
bpf: Selftests, move sockmap bpf prog header into progs Moves test_sockmap_kern.h into progs directory but does not change code at all. Signed-off-by: John Fastabend <john.fasta
bpf: Selftests, move sockmap bpf prog header into progs Moves test_sockmap_kern.h into progs directory but does not change code at all. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/158939718921.15176.5766299102332077086.stgit@john-Precision-5820-Tower
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