include/net/tso.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _TSO_H
   3 #define _TSO_H
   4
   5 #include <net/ip.h>
   6
   7 #define TSO_HEADER_SIZE         256
   8
   9 struct tso_t {
  10         int     next_frag_idx;
  11         int     size;
  12         void    *data;
  13         u16     ip_id;
  14         u8      tlen; /* transport header len */
  15         bool    ipv6;
  16         u32     tcp_seq;
  17 };
  18
  19 int tso_count_descs(const struct sk_buff *skb);
  20 void tso_build_hdr(const struct sk_buff *skb, char *hdr, struct tso_t *tso,
  21                    int size, bool is_last);
  22 void tso_build_data(const struct sk_buff *skb, struct tso_t *tso, int size);
  23 int tso_start(struct sk_buff *skb, struct tso_t *tso);
  24
  25 #endif  /* _TSO_H */