diff options
Diffstat (limited to 'sys/linux')
| -rw-r--r-- | sys/linux/bpf.txt | 10 | ||||
| -rw-r--r-- | sys/linux/bpf.txt.const | 6 | ||||
| -rw-r--r-- | sys/linux/test/bpf_helpers | 4 |
3 files changed, 12 insertions, 8 deletions
diff --git a/sys/linux/bpf.txt b/sys/linux/bpf.txt index c66ab24b5..b0166b0cd 100644 --- a/sys/linux/bpf.txt +++ b/sys/linux/bpf.txt @@ -478,6 +478,7 @@ type bpf_insn_alu_t[CLASS_TYPE, CLASS, SOURCE_TYPE, SOURCE, OP_TYPE, OP, DST, SR type bpf_insn_alu bpf_insn_alu_t[flags, bpf_alu_insn, flags, bpf_alu_source, flags, bpf_alu_op, flags[bpf_reg, int8:4], flags[bpf_reg, int8:4], flags[bpf_insn_offsets, int16], flags[bpf_insn_immediates, int32]] type bpf_insn_mov_imm[DST, IMM] bpf_insn_alu_t[const, BPF_ALU64, const, BPF_K0, const, BPF_MOV0, const[DST, int8:4], const[0, int8:4], const[0, int16], const[IMM, int32]] type bpf_insn_mov_imm_any[DST] bpf_insn_alu_t[const, BPF_ALU64, const, BPF_K0, const, BPF_MOV0, const[DST, int8:4], const[0, int8:4], const[0, int16], int32] +type bpf_insn_mov_imm_flag[DST, FLAG] bpf_insn_alu_t[const, BPF_ALU64, const, BPF_K0, const, BPF_MOV0, const[DST, int8:4], const[0, int8:4], const[0, int16], flags[FLAG, int32]] type bpf_insn_mov_reg[SRC, DST] bpf_insn_alu_t[const, BPF_ALU64, const, BPF_X0, const, BPF_MOV0, const[DST, int8:4], const[SRC, int8:4], const[0, int16], const[0, int32]] type bpf_insn_op_imm[DST, OP, IMM] bpf_insn_alu_t[const, BPF_ALU64, const, BPF_K0, const, OP, const[DST, int8:4], const[0, int8:4], const[0, int16], const[IMM, int32]] @@ -775,12 +776,12 @@ bpf_insn_ringbuf_reserve { } # (bf) r1 = r9 -# (b7) r2 = 0 +# (b7) r2 = BPF_RB_X # (85) call bpf_ringbuf_{submit,discard}#322192 # (bf) r0 = 0 bpf_insn_ringbuf_free { insn1 bpf_insn_mov_reg[BPF_REG_9, BPF_REG_1] - insn2 bpf_insn_mov_imm[BPF_REG_2, 0] + insn2 bpf_insn_mov_imm_flag[BPF_REG_2, bpf_ringbuf_wakeup_flags] insn3 bpf_insn_call_helper_t[flags[bpf_helpers_ringbuf_free, int32]] insn4 bpf_insn_mov_imm[BPF_REG_0, 0] } @@ -802,7 +803,7 @@ bpf_insn_ringbuf_query { # (bf) r2 = r10 # (07) r2 += -8 # (b7) r3 = 8 -# (b7) r4 = 0 +# (b7) r4 = BPF_RB_X # (85) call bpf_ringbuf_output#322192 bpf_insn_ringbuf_output { insn1 bpf_insn_tail_call_map_fd[BPF_REG_1] @@ -811,7 +812,7 @@ bpf_insn_ringbuf_output { insn4 bpf_insn_mov_reg[BPF_REG_10, BPF_REG_2] insn5 bpf_insn_op_imm[BPF_REG_2, BPF_ADD0, -8] insn6 bpf_insn_mov_imm[BPF_REG_3, 8] - insn7 bpf_insn_mov_imm[BPF_REG_4, 0] + insn7 bpf_insn_mov_imm_flag[BPF_REG_4, bpf_ringbuf_wakeup_flags] insn8 bpf_insn_call_helper_t[const[BPF_FUNC_ringbuf_output, int32]] } @@ -1285,3 +1286,4 @@ bpf_link_create_kprobe_multi_flags = BPF_F_KPROBE_MULTI_RETURN nf_dev_hooks = NF_NETDEV_INGRESS, NF_NETDEV_EGRESS bpf_link_create_netfilter_flags = BPF_F_NETFILTER_IP_DEFRAG bpf_link_create_uprobe_multi_flags = BPF_F_UPROBE_MULTI_RETURN +bpf_ringbuf_wakeup_flags = 0, BPF_RB_NO_WAKEUP, BPF_RB_FORCE_WAKEUP diff --git a/sys/linux/bpf.txt.const b/sys/linux/bpf.txt.const index 53cfb9bd7..6ce73ca73 100644 --- a/sys/linux/bpf.txt.const +++ b/sys/linux/bpf.txt.const @@ -66,11 +66,11 @@ BPF_EXIST = 2 BPF_EXIT0 = 9 BPF_FLOW_DISSECTOR = 17 BPF_FUNC_INFO_SIZE = 8 -BPF_FUNC_ringbuf_output = 130 BPF_FUNC_ringbuf_discard = 133 +BPF_FUNC_ringbuf_output = 130 +BPF_FUNC_ringbuf_query = 134 BPF_FUNC_ringbuf_reserve = 131 BPF_FUNC_ringbuf_submit = 132 -BPF_FUNC_ringbuf_query = 134 BPF_FUNC_snprintf = 165 BPF_FUNC_tail_call = 12 BPF_FUNC_trace_printk = 6 @@ -249,6 +249,8 @@ BPF_PSEUDO_MAP_FD = 1 BPF_PSEUDO_MAP_IDX = 5 BPF_PSEUDO_MAP_IDX_VALUE = 6 BPF_PSEUDO_MAP_VALUE = 2 +BPF_RB_FORCE_WAKEUP = 2 +BPF_RB_NO_WAKEUP = 1 BPF_REG_0 = 0 BPF_REG_1 = 1 BPF_REG_10 = 10 diff --git a/sys/linux/test/bpf_helpers b/sys/linux/test/bpf_helpers index d45a468e3..1675071af 100644 --- a/sys/linux/test/bpf_helpers +++ b/sys/linux/test/bpf_helpers @@ -25,7 +25,7 @@ r4 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUT r1 = bpf$MAP_CREATE_RINGBUF(AUTO, &AUTO={AUTO, AUTO, AUTO, 0x40000, AUTO, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, AUTO}, 0x48) -r2 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@ringbuf={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, {{AUTO, AUTO, AUTO, AUTO, r1, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}}, {{AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}}, [], {{AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, 0x84}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}}, {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0xa0) +r2 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@ringbuf={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, {{AUTO, AUTO, AUTO, AUTO, r1, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}}, {{AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}}, [], {{AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, 0x1}, {AUTO, AUTO, AUTO, 0x84}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}}, {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0xa0) # Prepare, load, and execute a BPF program that calls bpf_ringbuf_query @@ -33,4 +33,4 @@ r3 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUT # Load, and execute a BPF program that calls bpf_ringbuf_output -r3 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, [@ringbuf_output={{AUTO, AUTO, AUTO, AUTO, r1, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, 0x1234}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO}}], {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0xa0) +r3 = bpf$PROG_LOAD(AUTO, &AUTO={0x3, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, [@ringbuf_output={{AUTO, AUTO, AUTO, AUTO, r1, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, 0x1234}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, AUTO}, {AUTO, AUTO, AUTO, AUTO, AUTO, AUTO, 0x2}, {AUTO, AUTO, AUTO, AUTO}}], {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, "00000000000000000000000000000000", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0xa0) |
