netdev - [PATCH net 2/2] bpf, s390: fix build for libbpf and selftest suite

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Date:   Fri,  4 Aug 2017 14:20:55 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     davem@...emloft.net
Cc:     holzheu@...ux.vnet.ibm.com, ast@...com, netdev@...r.kernel.org,
        Daniel Borkmann <daniel@...earbox.net>
Subject: [PATCH net 2/2] bpf, s390: fix build for libbpf and selftest suite

The BPF feature test as well as libbpf is missing the __NR_bpf
define for s390 and currently refuses to compile (selftest suite
depends on libbpf as well). Similar issue was fixed some time
ago via b0c47807d31d ("bpf: Add sparc support to tools and
samples."), just do the same and add definitions.

Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
---
 tools/build/feature/test-bpf.c | 2 ++
 tools/lib/bpf/bpf.c            | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c
index 7598361..da2172f 100644
--- a/tools/build/feature/test-bpf.c
+++ b/tools/build/feature/test-bpf.c
@@ -11,6 +11,8 @@
 #  define __NR_bpf 280
 # elif defined(__sparc__)
 #  define __NR_bpf 349
+# elif defined(__s390__)
+#  define __NR_bpf 351
 # else
 #  error __NR_bpf not defined. libbpf does not support your arch.
 # endif
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 256f571..e5bbb09 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -39,6 +39,8 @@
 #  define __NR_bpf 280
 # elif defined(__sparc__)
 #  define __NR_bpf 349
+# elif defined(__s390__)
+#  define __NR_bpf 351
 # else
 #  error __NR_bpf not defined. libbpf does not support your arch.
 # endif
-- 
1.9.3