diff options
| -rw-r--r-- | sys/netinet/sctp_output.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c index 405f04f..590b1b5 100644 --- a/sys/netinet/sctp_output.c +++ b/sys/netinet/sctp_output.c @@ -4063,7 +4063,7 @@ sctp_lowlevel_chunk_output(struct sctp_inpcb *inp, sctp_route_t iproute; int len; - len = sizeof(struct ip) + sizeof(struct sctphdr); + len = SCTP_MIN_V4_OVERHEAD; if (port) { len += sizeof(struct udphdr); } @@ -4345,7 +4345,7 @@ sctp_lowlevel_chunk_output(struct sctp_inpcb *inp, flowlabel = ntohl(((struct in6pcb *)inp)->in6p_flowinfo); } flowlabel &= 0x000fffff; - len = sizeof(struct ip6_hdr) + sizeof(struct sctphdr); + len = SCTP_MIN_OVERHEAD; if (port) { len += sizeof(struct udphdr); } @@ -5107,10 +5107,11 @@ sctp_arethere_unrecognized_parameters(struct mbuf *in_initpkt, if (op_err == NULL) { /* Ok need to try to get a mbuf */ #ifdef INET6 - l_len = sizeof(struct ip6_hdr) + sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr); + l_len = SCTP_MIN_OVERHEAD; #else - l_len = sizeof(struct ip) + sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr); + l_len = SCTP_MIN_V4_OVERHEAD; #endif + l_len += sizeof(struct sctp_chunkhdr); l_len += plen; l_len += sizeof(struct sctp_paramhdr); op_err = sctp_get_mbuf_for_msg(l_len, 0, M_NOWAIT, 1, MT_DATA); @@ -5176,10 +5177,11 @@ sctp_arethere_unrecognized_parameters(struct mbuf *in_initpkt, /* Ok need to try to get an mbuf */ #ifdef INET6 - l_len = sizeof(struct ip6_hdr) + sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr); + l_len = SCTP_MIN_OVERHEAD; #else - l_len = sizeof(struct ip) + sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr); + l_len = SCTP_MIN_V4_OVERHEAD; #endif + l_len += sizeof(struct sctp_chunkhdr); l_len += plen; l_len += sizeof(struct sctp_paramhdr); op_err = sctp_get_mbuf_for_msg(l_len, 0, M_NOWAIT, 1, MT_DATA); @@ -5251,10 +5253,11 @@ invalid_size: int l_len; #ifdef INET6 - l_len = sizeof(struct ip6_hdr) + sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr); + l_len = SCTP_MIN_OVERHEAD; #else - l_len = sizeof(struct ip) + sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr); + l_len = SCTP_MIN_V4_OVERHEAD; #endif + l_len += sizeof(struct sctp_chunkhdr); l_len += (2 * sizeof(struct sctp_paramhdr)); op_err = sctp_get_mbuf_for_msg(l_len, 0, M_NOWAIT, 1, MT_DATA); if (op_err) { @@ -7977,12 +7980,12 @@ again_one_more_time: switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { #ifdef INET case AF_INET: - mtu = net->mtu - (sizeof(struct ip) + sizeof(struct sctphdr)); + mtu = net->mtu - SCTP_MIN_V4_OVERHEAD; break; #endif #ifdef INET6 case AF_INET6: - mtu = net->mtu - (sizeof(struct ip6_hdr) + sizeof(struct sctphdr)); + mtu = net->mtu - SCTP_MIN_OVERHEAD; break; #endif default: @@ -8529,16 +8532,16 @@ again_one_more_time: switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) { #ifdef INET case AF_INET: - if (net->mtu > (sizeof(struct ip) + sizeof(struct sctphdr))) - omtu = net->mtu - (sizeof(struct ip) + sizeof(struct sctphdr)); + if (net->mtu > SCTP_MIN_V4_OVERHEAD) + omtu = net->mtu - SCTP_MIN_V4_OVERHEAD; else omtu = 0; break; #endif #ifdef INET6 case AF_INET6: - if (net->mtu > (sizeof(struct ip6_hdr) + sizeof(struct sctphdr))) - omtu = net->mtu - (sizeof(struct ip6_hdr) + sizeof(struct sctphdr)); + if (net->mtu > SCTP_MIN_OVERHEAD) + omtu = net->mtu - SCTP_MIN_OVERHEAD; else omtu = 0; break; |
