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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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c1bb68656b
Move static inline functions id_from_prog_fd() and id_from_link_fd() from prog_tests/tc_helpers.h to test_progs.h so these two functions can be reused for later cgroup mprog selftests. Signed-off-by: Yonghong Song <yonghong.song@linux.dev> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20250606163151.2429325-1-yonghong.song@linux.dev
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2023 Isovalent */
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#ifndef TC_HELPERS
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#define TC_HELPERS
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#include <test_progs.h>
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#ifndef loopback
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# define loopback 1
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#endif
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static inline __u32 ifindex_from_link_fd(int fd)
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{
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struct bpf_link_info link_info = {};
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__u32 link_info_len = sizeof(link_info);
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int err;
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err = bpf_link_get_info_by_fd(fd, &link_info, &link_info_len);
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if (!ASSERT_OK(err, "id_from_link_fd"))
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return 0;
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return link_info.tcx.ifindex;
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}
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static inline void __assert_mprog_count(int target, int expected, int ifindex)
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{
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__u32 count = 0, attach_flags = 0;
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int err;
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err = bpf_prog_query(ifindex, target, 0, &attach_flags,
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NULL, &count);
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ASSERT_EQ(count, expected, "count");
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ASSERT_EQ(err, 0, "prog_query");
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}
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static inline void assert_mprog_count(int target, int expected)
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{
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__assert_mprog_count(target, expected, loopback);
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}
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static inline void assert_mprog_count_ifindex(int ifindex, int target, int expected)
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{
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__assert_mprog_count(target, expected, ifindex);
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}
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static inline void tc_skel_reset_all_seen(struct test_tc_link *skel)
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{
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memset(skel->bss, 0, sizeof(*skel->bss));
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}
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#endif /* TC_HELPERS */
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