len_diff_abs 3156 net/core/filter.c u32 len_cur, len_diff_abs = abs(len_diff); len_diff_abs 3166 net/core/filter.c if (unlikely(len_diff_abs > 0xfffU)) len_diff_abs 3184 net/core/filter.c if ((shrink && (len_diff_abs >= len_cur || len_diff_abs 3185 net/core/filter.c len_cur - len_diff_abs < len_min)) || len_diff_abs 3186 net/core/filter.c (!shrink && (skb->len + len_diff_abs > len_max && len_diff_abs 3190 net/core/filter.c ret = shrink ? bpf_skb_net_shrink(skb, off, len_diff_abs, flags) : len_diff_abs 3191 net/core/filter.c bpf_skb_net_grow(skb, off, len_diff_abs, flags);