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authorDavid S. Miller <davem@davemloft.net>2016-01-13 00:22:13 -0500
committerDavid S. Miller <davem@davemloft.net>2016-01-13 00:22:13 -0500
commit725da8dee445662beea77d3f42c3f4c79f7a7a0e (patch)
treebe1e2bd103c69d7bbace3fffd97bc3d714bbc3d7 /tools/lib/bpf/bpf.c
parentce78c76f33b9f43b92444869d1723f9e4260797a (diff)
parentddb5388ffd0ad75d07e7b78181a0b579824ba6f0 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'tools/lib/bpf/bpf.c')
-rw-r--r--tools/lib/bpf/bpf.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index a6331050ab79..5bdc6eab6852 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -83,3 +83,17 @@ int bpf_load_program(enum bpf_prog_type type, struct bpf_insn *insns,
log_buf[0] = 0;
return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr));
}
+
+int bpf_map_update_elem(int fd, void *key, void *value,
+ u64 flags)
+{
+ union bpf_attr attr;
+
+ bzero(&attr, sizeof(attr));
+ attr.map_fd = fd;
+ attr.key = ptr_to_u64(key);
+ attr.value = ptr_to_u64(value);
+ attr.flags = flags;
+
+ return sys_bpf(BPF_MAP_UPDATE_ELEM, &attr, sizeof(attr));
+}