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| author | Alexei Starovoitov <ast@plumgrid.com> | 2014-11-13 17:36:48 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-18 13:43:59 -0500 |
| commit | ffb65f27a15583379567b6a59a9758163b7f5750 (patch) | |
| tree | 055058bbf98518f31a3aebf6f1ac425f70b1f71a /samples/bpf/libbpf.c | |
| parent | a1854d6ac0008518bfc45e791172ad250999c2a2 (diff) | |
| download | lwn-ffb65f27a15583379567b6a59a9758163b7f5750.tar.gz lwn-ffb65f27a15583379567b6a59a9758163b7f5750.zip | |
bpf: add a testsuite for eBPF maps
. check error conditions and sanity of hash and array map APIs
. check large maps (that kernel gracefully switches to vmalloc from kmalloc)
. check multi-process parallel access and stress test
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples/bpf/libbpf.c')
| -rw-r--r-- | samples/bpf/libbpf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/samples/bpf/libbpf.c b/samples/bpf/libbpf.c index ff6504420738..17bb520eb57f 100644 --- a/samples/bpf/libbpf.c +++ b/samples/bpf/libbpf.c @@ -27,12 +27,13 @@ int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size, return syscall(__NR_bpf, BPF_MAP_CREATE, &attr, sizeof(attr)); } -int bpf_update_elem(int fd, void *key, void *value) +int bpf_update_elem(int fd, void *key, void *value, unsigned long long flags) { union bpf_attr attr = { .map_fd = fd, .key = ptr_to_u64(key), .value = ptr_to_u64(value), + .flags = flags, }; return syscall(__NR_bpf, BPF_MAP_UPDATE_ELEM, &attr, sizeof(attr)); |