From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lorenz Bauer Subject: [PATCH v3 3/4] tools: sync linux/bpf.h Date: Fri, 16 Nov 2018 11:41:10 +0000 Message-ID: <20181116114111.31177-4-lmb@cloudflare.com> References: <20181001104509.24211-1-lmb@cloudflare.com> <20181116114111.31177-1-lmb@cloudflare.com> Return-path: In-Reply-To: <20181116114111.31177-1-lmb@cloudflare.com> Sender: netdev-owner@vger.kernel.org To: ast@kernel.org, daniel@iogearbox.net Cc: netdev@vger.kernel.org, linux-api@vger.kernel.org, songliubraving@fb.com, Lorenz Bauer List-Id: linux-api@vger.kernel.org Synchronize changes to linux/bpf.h from * "bpf: allow zero-initializing hash map seed" * "bpf: move BPF_F_QUERY_EFFECTIVE after map flags" Signed-off-by: Lorenz Bauer --- tools/include/uapi/linux/bpf.h | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 852dc17ab47a..05d95290b848 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -257,9 +257,6 @@ enum bpf_attach_type { /* Specify numa node during map creation */ #define BPF_F_NUMA_NODE (1U << 2) -/* flags for BPF_PROG_QUERY */ -#define BPF_F_QUERY_EFFECTIVE (1U << 0) - #define BPF_OBJ_NAME_LEN 16U /* Flags for accessing BPF object */ @@ -269,6 +266,12 @@ enum bpf_attach_type { /* Flag for stack_map, store build_id+offset instead of pointer */ #define BPF_F_STACK_BUILD_ID (1U << 5) +/* Zero-initialize hash function seed. This should only be used for testing. */ +#define BPF_F_ZERO_SEED (1U << 6) + +/* flags for BPF_PROG_QUERY */ +#define BPF_F_QUERY_EFFECTIVE (1U << 0) + enum bpf_stack_build_id_status { /* user space need an empty entry to identify end of a trace */ BPF_STACK_BUILD_ID_EMPTY = 0, @@ -2201,6 +2204,8 @@ 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. * * struct bpf_sock *bpf_sk_lookup_udp(void *ctx, struct bpf_sock_tuple *tuple, u32 tuple_size, u32 netns, u64 flags) * Description @@ -2233,6 +2238,8 @@ 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. * * int bpf_sk_release(struct bpf_sock *sk) * Description -- 2.17.1