The mode modifier is one of:
- ============= ===== =====================
+ ============= ===== ====================================
mode modifier value description
- ============= ===== =====================
+ ============= ===== ====================================
BPF_IMM 0x00 used for 64-bit mov
- BPF_ABS 0x20
- BPF_IND 0x40
- BPF_MEM 0x60
+ BPF_ABS 0x20 legacy BPF packet access
+ BPF_IND 0x40 legacy BPF packet access
+ BPF_MEM 0x60 all normal load and store operations
BPF_ATOMIC 0xc0 atomic operations
- ============= ===== =====================
+ ============= ===== ====================================
BPF_MEM | <size> | BPF_STX means::