1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/skbuff.h>
8 #define TSO_HEADER_SIZE 256
15 u8 tlen; /* transport header len */
20 /* Calculate the worst case buffer count */
21 static inline int tso_count_descs(const struct sk_buff *skb)
23 return skb_shinfo(skb)->gso_segs * 2 + skb_shinfo(skb)->nr_frags;
26 void tso_build_hdr(const struct sk_buff *skb, char *hdr, struct tso_t *tso,
27 int size, bool is_last);
28 void tso_build_data(const struct sk_buff *skb, struct tso_t *tso, int size);
29 int tso_start(struct sk_buff *skb, struct tso_t *tso);