diff mbox series

[RFC,bpf-next,4/7] bpf: Sync linux/bpf.h to tools/

Message ID 20190618130050.8344-5-jakub@cloudflare.com
State RFC
Delegated to: BPF Maintainers
Headers show
Series Programming socket lookup with BPF | expand

Commit Message

Jakub Sitnicki June 18, 2019, 1 p.m. UTC 
Newly added program and context type is needed for tests in subsequent
patches.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
---
 tools/include/uapi/linux/bpf.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
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Patch

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index d0a23476f887..7776f36a43d1 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -170,6 +170,7 @@  enum bpf_prog_type {
 	BPF_PROG_TYPE_FLOW_DISSECTOR,
 	BPF_PROG_TYPE_CGROUP_SYSCTL,
 	BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
+	BPF_PROG_TYPE_INET_LOOKUP,
 };
 
 enum bpf_attach_type {
@@ -192,6 +193,7 @@  enum bpf_attach_type {
 	BPF_LIRC_MODE2,
 	BPF_FLOW_DISSECTOR,
 	BPF_CGROUP_SYSCTL,
+	BPF_INET_LOOKUP,
 	__MAX_BPF_ATTACH_TYPE
 };
 
@@ -3066,6 +3068,31 @@  struct bpf_tcp_sock {
 				 */
 };
 
+/* User accessible data for inet_lookup programs.
+ * New fields must be added at the end.
+ */
+struct bpf_inet_lookup {
+	__u32 family;
+	__u32 remote_ip4;	/* Allows 1,2,4-byte read but no write.
+				 * Stored in network byte order.
+				 */
+	__u32 local_ip4;	/* Allows 1,2,4-byte read and 4-byte write.
+				 * Stored in network byte order.
+				 */
+	__u32 remote_ip6[4];	/* Allows 1,2,4-byte read but no write.
+				 * Stored in network byte order.
+				 */
+	__u32 local_ip6[4];	/* Allows 1,2,4-byte read and 4-byte write.
+				 * Stored in network byte order.
+				 */
+	__u32 remote_port;	/* Allows 4-byte read but no write.
+				 * Stored in network byte order.
+				 */
+	__u32 local_port;	/* Allows 4-byte read and write.
+				 * Stored in host byte order.
+				 */
+};
+
 struct bpf_sock_tuple {
 	union {
 		struct {