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authorJoe Stringer <joe@wand.net.nz>2018-11-30 15:32:21 -0800
committerAlexei Starovoitov <ast@kernel.org>2018-11-30 17:17:38 -0800
commitd74286d2c25ad29dbf9e342955dd8dc31f21653b (patch)
treec641d86432422be9a288d2f4733986aa6ba1f0bc /tools/include
parentf71c6143c2038df1cb43a4b9c90740d14f77467c (diff)
downloadblackbird-op-linux-d74286d2c25ad29dbf9e342955dd8dc31f21653b.tar.gz
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bpf: Improve socket lookup reuseport documentation
Improve the wording around socket lookup for reuseport sockets, and ensure that both bpf.h headers are in sync. Signed-off-by: Joe Stringer <joe@wand.net.nz> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/uapi/linux/bpf.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 76b265c7d93e..72c453a8bf50 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -2203,8 +2203,8 @@ union bpf_attr {
* **CONFIG_NET** configuration option.
* Return
* Pointer to *struct bpf_sock*, or NULL in case of failure.
- * For sockets with reuseport option, *struct bpf_sock*
- * return is from reuse->socks[] using hash of the packet.
+ * For sockets with reuseport option, the *struct bpf_sock*
+ * result is from reuse->socks[] using the hash of the tuple.
*
* struct bpf_sock *bpf_sk_lookup_udp(void *ctx, struct bpf_sock_tuple *tuple, u32 tuple_size, u64 netns, u64 flags)
* Description
@@ -2239,8 +2239,8 @@ union bpf_attr {
* **CONFIG_NET** configuration option.
* Return
* Pointer to *struct bpf_sock*, or NULL in case of failure.
- * For sockets with reuseport option, *struct bpf_sock*
- * return is from reuse->socks[] using hash of the packet.
+ * For sockets with reuseport option, the *struct bpf_sock*
+ * result is from reuse->socks[] using the hash of the tuple.
*
* int bpf_sk_release(struct bpf_sock *sk)
* Description
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