BPF_SUB 136 net/core/filter.c case BPF_ALU|BPF_SUB|BPF_X: BPF_SUB 139 net/core/filter.c case BPF_ALU|BPF_SUB|BPF_K: BPF_SUB 361 net/core/filter.c case BPF_ALU|BPF_SUB|BPF_K: BPF_SUB 362 net/core/filter.c case BPF_ALU|BPF_SUB|BPF_X: