* [PATCH bpf-next v2] selftests/bpf: missing headers test_lwt_seg6local
@ 2018-05-26 14:44 Mathieu Xhonneux
2018-05-27 22:37 ` Daniel Borkmann
0 siblings, 1 reply; 2+ messages in thread
From: Mathieu Xhonneux @ 2018-05-26 14:44 UTC (permalink / raw)
To: netdev; +Cc: alexei.starovoitov, daniel, ys114321
Previous patch "selftests/bpf: test for seg6local End.BPF action" lacks
some UAPI headers in tools/.
clang -I. -I./include/uapi -I../../../include/uapi -idirafter
/usr/local/include -idirafter
/data/users/yhs/work/llvm/build/install/lib/clang/7.0.0/include
-idirafter /usr/include -Wno-compare-distinct-pointer-types \
-O2 -target bpf -emit-llvm -c test_lwt_seg6local.c -o - | \
llc -march=bpf -mcpu=generic -filetype=obj -o
[...]/net-next/tools/testing/selftests/bpf/test_lwt_seg6local.o
test_lwt_seg6local.c:4:10: fatal error: 'linux/seg6_local.h' file not found
^~~~~~~~~~~~~~~~~~~~
1 error generated.
make: Leaving directory
`/data/users/yhs/work/net-next/tools/testing/selftests/bpf'
v2: moving the headers to tools/include/uapi/.
Reported-by: Y Song <ys114321@gmail.com>
Signed-off-by: Mathieu Xhonneux <m.xhonneux@gmail.com>
---
tools/include/uapi/linux/seg6.h | 55 ++++++++++++++++++++++++
tools/include/uapi/linux/seg6_local.h | 80 +++++++++++++++++++++++++++++++++++
2 files changed, 135 insertions(+)
create mode 100644 tools/include/uapi/linux/seg6.h
create mode 100644 tools/include/uapi/linux/seg6_local.h
diff --git a/tools/include/uapi/linux/seg6.h b/tools/include/uapi/linux/seg6.h
new file mode 100644
index 000000000000..286e8d6a8e98
--- /dev/null
+++ b/tools/include/uapi/linux/seg6.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * SR-IPv6 implementation
+ *
+ * Author:
+ * David Lebrun <david.lebrun@uclouvain.be>
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _UAPI_LINUX_SEG6_H
+#define _UAPI_LINUX_SEG6_H
+
+#include <linux/types.h>
+#include <linux/in6.h> /* For struct in6_addr. */
+
+/*
+ * SRH
+ */
+struct ipv6_sr_hdr {
+ __u8 nexthdr;
+ __u8 hdrlen;
+ __u8 type;
+ __u8 segments_left;
+ __u8 first_segment; /* Represents the last_entry field of SRH */
+ __u8 flags;
+ __u16 tag;
+
+ struct in6_addr segments[0];
+};
+
+#define SR6_FLAG1_PROTECTED (1 << 6)
+#define SR6_FLAG1_OAM (1 << 5)
+#define SR6_FLAG1_ALERT (1 << 4)
+#define SR6_FLAG1_HMAC (1 << 3)
+
+#define SR6_TLV_INGRESS 1
+#define SR6_TLV_EGRESS 2
+#define SR6_TLV_OPAQUE 3
+#define SR6_TLV_PADDING 4
+#define SR6_TLV_HMAC 5
+
+#define sr_has_hmac(srh) ((srh)->flags & SR6_FLAG1_HMAC)
+
+struct sr6_tlv {
+ __u8 type;
+ __u8 len;
+ __u8 data[0];
+};
+
+#endif
diff --git a/tools/include/uapi/linux/seg6_local.h b/tools/include/uapi/linux/seg6_local.h
new file mode 100644
index 000000000000..edc138bdc56d
--- /dev/null
+++ b/tools/include/uapi/linux/seg6_local.h
@@ -0,0 +1,80 @@
+/*
+ * SR-IPv6 implementation
+ *
+ * Author:
+ * David Lebrun <david.lebrun@uclouvain.be>
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _UAPI_LINUX_SEG6_LOCAL_H
+#define _UAPI_LINUX_SEG6_LOCAL_H
+
+#include <linux/seg6.h>
+
+enum {
+ SEG6_LOCAL_UNSPEC,
+ SEG6_LOCAL_ACTION,
+ SEG6_LOCAL_SRH,
+ SEG6_LOCAL_TABLE,
+ SEG6_LOCAL_NH4,
+ SEG6_LOCAL_NH6,
+ SEG6_LOCAL_IIF,
+ SEG6_LOCAL_OIF,
+ SEG6_LOCAL_BPF,
+ __SEG6_LOCAL_MAX,
+};
+#define SEG6_LOCAL_MAX (__SEG6_LOCAL_MAX - 1)
+
+enum {
+ SEG6_LOCAL_ACTION_UNSPEC = 0,
+ /* node segment */
+ SEG6_LOCAL_ACTION_END = 1,
+ /* adjacency segment (IPv6 cross-connect) */
+ SEG6_LOCAL_ACTION_END_X = 2,
+ /* lookup of next seg NH in table */
+ SEG6_LOCAL_ACTION_END_T = 3,
+ /* decap and L2 cross-connect */
+ SEG6_LOCAL_ACTION_END_DX2 = 4,
+ /* decap and IPv6 cross-connect */
+ SEG6_LOCAL_ACTION_END_DX6 = 5,
+ /* decap and IPv4 cross-connect */
+ SEG6_LOCAL_ACTION_END_DX4 = 6,
+ /* decap and lookup of DA in v6 table */
+ SEG6_LOCAL_ACTION_END_DT6 = 7,
+ /* decap and lookup of DA in v4 table */
+ SEG6_LOCAL_ACTION_END_DT4 = 8,
+ /* binding segment with insertion */
+ SEG6_LOCAL_ACTION_END_B6 = 9,
+ /* binding segment with encapsulation */
+ SEG6_LOCAL_ACTION_END_B6_ENCAP = 10,
+ /* binding segment with MPLS encap */
+ SEG6_LOCAL_ACTION_END_BM = 11,
+ /* lookup last seg in table */
+ SEG6_LOCAL_ACTION_END_S = 12,
+ /* forward to SR-unaware VNF with static proxy */
+ SEG6_LOCAL_ACTION_END_AS = 13,
+ /* forward to SR-unaware VNF with masquerading */
+ SEG6_LOCAL_ACTION_END_AM = 14,
+ /* custom BPF action */
+ SEG6_LOCAL_ACTION_END_BPF = 15,
+
+ __SEG6_LOCAL_ACTION_MAX,
+};
+
+#define SEG6_LOCAL_ACTION_MAX (__SEG6_LOCAL_ACTION_MAX - 1)
+
+enum {
+ SEG6_LOCAL_BPF_PROG_UNSPEC,
+ SEG6_LOCAL_BPF_PROG,
+ SEG6_LOCAL_BPF_PROG_NAME,
+ __SEG6_LOCAL_BPF_PROG_MAX,
+};
+
+#define SEG6_LOCAL_BPF_PROG_MAX (__SEG6_LOCAL_BPF_PROG_MAX - 1)
+
+#endif
--
2.16.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH bpf-next v2] selftests/bpf: missing headers test_lwt_seg6local
2018-05-26 14:44 [PATCH bpf-next v2] selftests/bpf: missing headers test_lwt_seg6local Mathieu Xhonneux
@ 2018-05-27 22:37 ` Daniel Borkmann
0 siblings, 0 replies; 2+ messages in thread
From: Daniel Borkmann @ 2018-05-27 22:37 UTC (permalink / raw)
To: Mathieu Xhonneux, netdev; +Cc: alexei.starovoitov, ys114321
On 05/26/2018 04:44 PM, Mathieu Xhonneux wrote:
> Previous patch "selftests/bpf: test for seg6local End.BPF action" lacks
> some UAPI headers in tools/.
>
> clang -I. -I./include/uapi -I../../../include/uapi -idirafter
> /usr/local/include -idirafter
> /data/users/yhs/work/llvm/build/install/lib/clang/7.0.0/include
> -idirafter /usr/include -Wno-compare-distinct-pointer-types \
> -O2 -target bpf -emit-llvm -c test_lwt_seg6local.c -o - | \
> llc -march=bpf -mcpu=generic -filetype=obj -o
> [...]/net-next/tools/testing/selftests/bpf/test_lwt_seg6local.o
> test_lwt_seg6local.c:4:10: fatal error: 'linux/seg6_local.h' file not found
> ^~~~~~~~~~~~~~~~~~~~
> 1 error generated.
> make: Leaving directory
> `/data/users/yhs/work/net-next/tools/testing/selftests/bpf'
>
> v2: moving the headers to tools/include/uapi/.
>
> Reported-by: Y Song <ys114321@gmail.com>
> Signed-off-by: Mathieu Xhonneux <m.xhonneux@gmail.com>
Applied to bpf-next, thanks Mathieu!
^ permalink raw reply [flat|nested] 2+ messages in thread
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2018-05-26 14:44 [PATCH bpf-next v2] selftests/bpf: missing headers test_lwt_seg6local Mathieu Xhonneux
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