Lines Matching refs:headroom
360 unsigned int headroom);
863 * start. If this would exceed the total buffer headroom the kernel will
888 * the memory to the headroom. A pointer to the next data in the buffer
945 * skb_reserve - adjust headroom
949 * Increase the headroom of an empty &sk_buff by reducing the tail
983 * The networking layer reserves some headroom in skb data (via
988 * Unfortunately this headroom changes the DMA alignment of the resulting
995 * headroom, you should not reduce this.
1095 * buffer has unspecified headroom built in. Users should allocate
1096 * the headroom they think they need without accounting for the
1115 * buffer has unspecified headroom built in. Users should allocate
1116 * the headroom they think they need without accounting for the
1136 * buffer has unspecified headroom built in. Users should allocate
1137 * the headroom they think they need without accounting for the
1152 * @headroom: needed headroom
1154 * If the skb passed lacks sufficient headroom or its data part
1159 * and at least @headroom of space at head.
1161 static inline int skb_cow(struct sk_buff *skb, unsigned int headroom)
1163 int delta = (headroom > NET_SKB_PAD ? headroom : NET_SKB_PAD) -