From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- include/net/tso.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 include/net/tso.h (limited to 'include/net/tso.h') diff --git a/include/net/tso.h b/include/net/tso.h new file mode 100644 index 0000000000..e7e157ae05 --- /dev/null +++ b/include/net/tso.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _TSO_H +#define _TSO_H + +#include +#include + +#define TSO_HEADER_SIZE 256 + +struct tso_t { + int next_frag_idx; + int size; + void *data; + u16 ip_id; + u8 tlen; /* transport header len */ + bool ipv6; + u32 tcp_seq; +}; + +/* Calculate the worst case buffer count */ +static inline int tso_count_descs(const struct sk_buff *skb) +{ + return skb_shinfo(skb)->gso_segs * 2 + skb_shinfo(skb)->nr_frags; +} + +void tso_build_hdr(const struct sk_buff *skb, char *hdr, struct tso_t *tso, + int size, bool is_last); +void tso_build_data(const struct sk_buff *skb, struct tso_t *tso, int size); +int tso_start(struct sk_buff *skb, struct tso_t *tso); + +#endif /* _TSO_H */ -- cgit v1.2.3