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authorAndrii Nakryiko <andrii@kernel.org>2021-08-15 00:13:33 -0700
committerAndrii Nakryiko <andrii@kernel.org>2021-08-15 00:19:10 -0700
commitfa183a86eefd47188054974e67dff2b8e9012aba (patch)
tree79e57fa8095f7d37d9a0e41cf230c8727f548df5 /tools/testing/selftests/bpf/progs/bpf_tracing_net.h
parentd1bf7c4d5deae6685a42463f4d29418fd2515d05 (diff)
parentce547335d4a42e645320402b24aeadb39531f73c (diff)
Merge branch 'BPF iterator for UNIX domain socket.'
Kuniyuki Iwashima says: ==================== This patch set adds BPF iterator support for UNIX domain socket. The first patch implements it, and the second adds "%c" support for BPF_SEQ_PRINTF(). Thanks to Yonghong Song for the fix [0] for the LLVM code gen. The fix prevents the LLVM compiler from transforming the loop exit condition '<' to '!=', where the upper bound is not a constant. The transformation leads the verifier to interpret it as an infinite loop. And thanks to Andrii Nakryiko for its workaround [1]. [0] https://reviews.llvm.org/D107483 [1] https://lore.kernel.org/netdev/CAEf4BzZ3sVx1m1mOCcPcuVPiY6cWEAO=6VGHDiXEs9ZVD-RoLg@mail.gmail.com/ Changelog: v6: - Align the header "Inde" column - Change int vars to __u64 not to break test_progs-no_alu32 - Move the if statement into the for loop not to depend on the fix [0] - Drop the README change - Modify "%c" positive test patterns v5: https://lore.kernel.org/netdev/20210812164557.79046-1-kuniyu@amazon.co.jp/ - Align header line of bpf_iter_unix.c - Add test for "%c" v4: https://lore.kernel.org/netdev/20210810092807.13190-1-kuniyu@amazon.co.jp/ - Check IS_BUILTIN(CONFIG_UNIX) - Support "%c" in BPF_SEQ_PRINTF() - Uncomment the code to print the name of the abstract socket - Mention the LLVM fix in README.rst - Remove the 'aligned' attribute in bpf_iter.h - Keep the format string on a single line v3: https://lore.kernel.org/netdev/20210804070851.97834-1-kuniyu@amazon.co.jp/ - Export some functions for CONFIG_UNIX=m v2: https://lore.kernel.org/netdev/20210803011110.21205-1-kuniyu@amazon.co.jp/ - Implement bpf_iter specific seq_ops->stop() - Add bpf_iter__unix in bpf_iter.h - Move common definitions in selftest to bpf_tracing_net.h - Include the code for abstract UNIX domain socket as comment in selftest - Use ASSERT_OK_PTR() instead of CHECK() - Make ternary operators on single line v1: https://lore.kernel.org/netdev/20210729233645.4869-1-kuniyu@amazon.co.jp/ ==================== Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/bpf_tracing_net.h')
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_tracing_net.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
index 3af0998a0623..eef5646ddb19 100644
--- a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
+++ b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
@@ -5,6 +5,10 @@
#define AF_INET 2
#define AF_INET6 10
+#define __SO_ACCEPTCON (1 << 16)
+#define UNIX_HASH_SIZE 256
+#define UNIX_ABSTRACT(unix_sk) (unix_sk->addr->hash < UNIX_HASH_SIZE)
+
#define SOL_TCP 6
#define TCP_CONGESTION 13
#define TCP_CA_NAME_MAX 16

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