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adding further BPF program flags for Linux. #4356

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Merged
merged 1 commit into from
Apr 2, 2025
Merged

adding further BPF program flags for Linux. #4356

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8 changes: 8 additions & 0 deletions libc-test/semver/linux-aarch64.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,12 @@ B2500000
B3000000
B3500000
B4000000
BPF_A
BPF_ABS
BPF_ADD
BPF_ALU
BPF_B
BPF_CLASS
BPF_DIV
BPF_H
BPF_IMM
Expand All @@ -25,15 +27,21 @@ BPF_MEM
BPF_MISC
BPF_MISCOP
BPF_MOD
BPF_MODE
BPF_MSH
BPF_NEG
BPF_NET_OFF
BPF_OP
BPF_RET
BPF_RVAL
BPF_SIZE
BPF_SRC
BPF_ST
BPF_STMT
BPF_STX
BPF_SUB
BPF_TAX
BPF_TXA
BPF_W
BPF_X
BPF_XOR
Expand Down
8 changes: 8 additions & 0 deletions libc-test/semver/linux-loongarch64.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,12 @@ B2500000
B3000000
B3500000
B4000000
BPF_A
BPF_ABS
BPF_ADD
BPF_ALU
BPF_B
BPF_CLASS
BPF_DIV
BPF_H
BPF_IMM
Expand All @@ -25,15 +27,21 @@ BPF_MEM
BPF_MISC
BPF_MISCOP
BPF_MOD
BPF_MODE
BPF_MSH
BPF_NEG
BPF_NET_OFF
BPF_OP
BPF_RET
BPF_RVAL
BPF_SIZE
BPF_SRC
BPF_ST
BPF_STMT
BPF_STX
BPF_SUB
BPF_TAX
BPF_TXA
BPF_W
BPF_X
BPF_XOR
Expand Down
8 changes: 8 additions & 0 deletions libc-test/semver/linux-x86_64.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,12 @@ B2500000
B3000000
B3500000
B4000000
BPF_A
BPF_ABS
BPF_ADD
BPF_ALU
BPF_B
BPF_CLASS
BPF_DIV
BPF_H
BPF_IMM
Expand All @@ -25,15 +27,21 @@ BPF_MEM
BPF_MISC
BPF_MISCOP
BPF_MOD
BPF_MODE
BPF_MSH
BPF_NEG
BPF_NET_OFF
BPF_OP
BPF_RET
BPF_RVAL
BPF_SIZE
BPF_SRC
BPF_ST
BPF_STMT
BPF_STX
BPF_SUB
BPF_TAX
BPF_TXA
BPF_W
BPF_X
BPF_XOR
Expand Down
26 changes: 26 additions & 0 deletions src/unix/linux_like/linux/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3413,6 +3413,12 @@ pub const BPF_JSET: __u32 = 0x40;
pub const BPF_K: __u32 = 0x00;
pub const BPF_X: __u32 = 0x08;

// linux/filter.h

pub const BPF_A: __u32 = 0x10;
pub const BPF_TAX: __u32 = 0x00;
pub const BPF_TXA: __u32 = 0x80;

// linux/openat2.h
pub const RESOLVE_NO_XDEV: crate::__u64 = 0x01;
pub const RESOLVE_NO_MAGICLINKS: crate::__u64 = 0x02;
Expand Down Expand Up @@ -6030,6 +6036,26 @@ f! {
(x + TPACKET_ALIGNMENT - 1) & !(TPACKET_ALIGNMENT - 1)
}

pub fn BPF_CLASS(code: __u32) -> __u32 {
code & 0x07
}

pub fn BPF_SIZE(code: __u32) -> __u32 {
code & 0x18
}

pub fn BPF_MODE(code: __u32) -> __u32 {
code & 0xe0
}

pub fn BPF_OP(code: __u32) -> __u32 {
code & 0xf0
}

pub fn BPF_SRC(code: __u32) -> __u32 {
code & 0x08
}

pub fn BPF_RVAL(code: __u32) -> __u32 {
code & 0x18
}
Expand Down