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| author |   David S. Miller <davem@davemloft.net> | 2017-04-01 12:36:38 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-01 12:36:38 -0700 |
| commit | 0989bd034a125cef29bd6351514d588fc616b39a (patch) | |
| tree | 9098a803f81125ec916cbb36610b45ddd6731f51 /tools/include | |
| parent | r8152: The Microsoft Surface docks also use R8152 v2 (diff) | |
| parent | bpf: add various verifier test cases for self-tests (diff) | |
Merge branch 'bpf-map_value_adj-reg-types-fixes'
Daniel Borkmann says:
====================
BPF fixes on map_value_adj reg types
This set adds two fixes for map_value_adj register type in the
verifier and user space tests along with them for the BPF self
test suite. For details, please see individual patches.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/linux/filter.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/linux/filter.h b/tools/include/linux/filter.h index 122153b16ea4..390d7c9685fd 100644 --- a/tools/include/linux/filter.h +++ b/tools/include/linux/filter.h @@ -168,6 +168,16 @@ .off = OFF, \ .imm = 0 }) +/* Atomic memory add, *(uint *)(dst_reg + off16) += src_reg */ + +#define BPF_STX_XADD(SIZE, DST, SRC, OFF) \ + ((struct bpf_insn) { \ + .code = BPF_STX | BPF_SIZE(SIZE) | BPF_XADD, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = OFF, \ + .imm = 0 }) + /* Memory store, *(uint *) (dst_reg + off16) = imm32 */ #define BPF_ST_MEM(SIZE, DST, OFF, IMM) \ |