netdev - [BUG] bpf is broken in net-next

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Message-ID: <20171001140230.6a494b48@xeon-e3>
Date:   Sun, 1 Oct 2017 14:02:30 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Martin KaFai Lau <kafai@...com>
Cc:     netdev@...r.kernel.org
Subject: [BUG] bpf is broken in net-next

Recent regression in net-next building bpf.c in samples/bpf now broken.

$ make samples/bpf/


  HOSTCC  samples/bpf/../../tools/lib/bpf/bpf.o
samples/bpf/../../tools/lib/bpf/bpf.c: In function ‘bpf_create_map_node’:
samples/bpf/../../tools/lib/bpf/bpf.c:76:13: error: ‘union bpf_attr’ has no member named ‘map_name’; did you mean ‘map_type’?
  memcpy(attr.map_name, name, min(name_len, BPF_OBJ_NAME_LEN - 1));
             ^
samples/bpf/../../tools/lib/bpf/bpf.c:76:44: error: ‘BPF_OBJ_NAME_LEN’ undeclared (first use in this function)
  memcpy(attr.map_name, name, min(name_len, BPF_OBJ_NAME_LEN - 1));
                                            ^
samples/bpf/../../tools/lib/bpf/bpf.c:49:27: note: in definition of macro ‘min’
 #define min(x, y) ((x) < (y) ? (x) : (y))
                           ^
samples/bpf/../../tools/lib/bpf/bpf.c:76:44: note: each undeclared identifier is reported only once for each function it appears in
  memcpy(attr.map_name, name, min(name_len, BPF_OBJ_NAME_LEN - 1));
                                            ^
samples/bpf/../../tools/lib/bpf/bpf.c:49:27: note: in definition of macro ‘min’
 #define min(x, y) ((x) < (y) ? (x) : (y))
                           ^
samples/bpf/../../tools/lib/bpf/bpf.c: In function ‘bpf_create_map_in_map_node’:
samples/bpf/../../tools/lib/bpf/bpf.c:116:13: error: ‘union bpf_attr’ has no member named ‘map_name’; did you mean ‘map_type’?
  memcpy(attr.map_name, name, min(name_len, BPF_OBJ_NAME_LEN - 1));
             ^
samples/bpf/../../tools/lib/bpf/bpf.c:116:44: error: ‘BPF_OBJ_NAME_LEN’ undeclared (first use in this function)
  memcpy(attr.map_name, name, min(name_len, BPF_OBJ_NAME_LEN - 1));
                                            ^
samples/bpf/../../tools/lib/bpf/bpf.c:49:27: note: in definition of macro ‘min’
 #define min(x, y) ((x) < (y) ? (x) : (y))
                           ^
samples/bpf/../../tools/lib/bpf/bpf.c: In function ‘bpf_load_program_name’:
samples/bpf/../../tools/lib/bpf/bpf.c:154:13: error: ‘union bpf_attr’ has no member named ‘prog_name’; did you mean ‘prog_type’?
  memcpy(attr.prog_name, name, min(name_len, BPF_OBJ_NAME_LEN - 1));
             ^
samples/bpf/../../tools/lib/bpf/bpf.c:154:45: error: ‘BPF_OBJ_NAME_LEN’ undeclared (first use in this function)
  memcpy(attr.prog_name, name, min(name_len, BPF_OBJ_NAME_LEN - 1));
                                             ^
samples/bpf/../../tools/lib/bpf/bpf.c:49:27: note: in definition of macro ‘min’
 #define min(x, y) ((x) < (y) ? (x) : (y))
                           ^
scripts/Makefile.host:118: recipe for target 'samples/bpf/../../tools/lib/bpf/bpf.o' failed