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authorYonghong Song <yhs@fb.com>2020-07-20 19:34:02 +0300
committerAlexei Starovoitov <ast@kernel.org>2020-07-21 23:26:26 +0300
commitfce557bcef119a1bc5ab3cb02678cf454bcaf424 (patch)
treed4ddf93d2e8d61a58086d8985d2f84dcd4387b34 /include
parent0f12e584b241285cf60a6227f3771fa444cfcf76 (diff)
downloadlinux-fce557bcef119a1bc5ab3cb02678cf454bcaf424.tar.xz
bpf: Make btf_sock_ids global
tcp and udp bpf_iter can reuse some socket ids in btf_sock_ids, so make it global. I put the extern definition in btf_ids.h as a central place so it can be easily discovered by developers. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200720163402.1393427-1-yhs@fb.com
Diffstat (limited to 'include')
-rw-r--r--include/linux/btf_ids.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h
index 77ab45baa095..4867d549e3c1 100644
--- a/include/linux/btf_ids.h
+++ b/include/linux/btf_ids.h
@@ -97,4 +97,34 @@ asm( \
#endif /* CONFIG_DEBUG_INFO_BTF */
+#ifdef CONFIG_NET
+/* Define a list of socket types which can be the argument for
+ * skc_to_*_sock() helpers. All these sockets should have
+ * sock_common as the first argument in its memory layout.
+ */
+#define BTF_SOCK_TYPE_xxx \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET, inet_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_CONN, inet_connection_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_REQ, inet_request_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_INET_TW, inet_timewait_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_REQ, request_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCK, sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCK_COMMON, sock_common) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP, tcp_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_REQ, tcp_request_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_TW, tcp_timewait_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP6, tcp6_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP, udp_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP6, udp6_sock)
+
+enum {
+#define BTF_SOCK_TYPE(name, str) name,
+BTF_SOCK_TYPE_xxx
+#undef BTF_SOCK_TYPE
+MAX_BTF_SOCK_TYPE,
+};
+
+extern u32 btf_sock_ids[];
+#endif
+
#endif