diff options
| author |   Eric Dumazet <edumazet@google.com> | 2020-06-17 20:53:25 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-06-18 20:46:23 -0700 |
| commit | 761b331cb6902dc0a08f786e9fa0dbd572059027 (patch) | |
| tree | 687614a08e327f9600dab3466161cc792ea51cb5 /include/net/tso.h | |
| parent | net: tso: constify tso_count_descs() and friends (diff) | |
| download | wireguard-linux-761b331cb6902dc0a08f786e9fa0dbd572059027.tar.xz wireguard-linux-761b331cb6902dc0a08f786e9fa0dbd572059027.zip | |
net: tso: cache transport header length
Add tlen field into struct tso_t, and change tso_start()
to return skb_transport_offset(skb) + tso->tlen
This removes from callers the need to use tcp_hdrlen(skb) and
will ease UDP segmentation offload addition.
v2: calls tso_start() earlier in otx2_sq_append_tso() [Jakub]
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tso.h')
| -rw-r--r-- | include/net/tso.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/tso.h b/include/net/tso.h index 32d9272ade6a..62c98a9c60f1 100644 --- a/include/net/tso.h +++ b/include/net/tso.h @@ -11,6 +11,7 @@ struct tso_t { int size; void *data; u16 ip_id; + u8 tlen; /* transport header len */ bool ipv6; u32 tcp_seq; }; @@ -19,6 +20,6 @@ int tso_count_descs(const struct sk_buff *skb); 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); -void tso_start(struct sk_buff *skb, struct tso_t *tso); +int tso_start(struct sk_buff *skb, struct tso_t *tso); #endif /* _TSO_H */ |