diff options
Diffstat (limited to 'include/net/sctp/sctp.h')
| -rw-r--r-- | include/net/sctp/sctp.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index bfd87a0aa2f1..86f74f2fe6de 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -578,10 +578,13 @@ static inline __u32 sctp_mtu_payload(const struct sctp_sock *sp, { __u32 overhead = sizeof(struct sctphdr) + extra; - if (sp) + if (sp) { overhead += sp->pf->af->net_header_len; - else + if (sp->udp_port) + overhead += sizeof(struct udphdr); + } else { overhead += sizeof(struct ipv6hdr); + } if (WARN_ON_ONCE(mtu && mtu <= overhead)) mtu = overhead; |