diff options
Diffstat (limited to 'ospfd/ospf_packet.c')
| -rw-r--r-- | ospfd/ospf_packet.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c index 2664b4ea..5a1c0916 100644 --- a/ospfd/ospf_packet.c +++ b/ospfd/ospf_packet.c @@ -485,15 +485,16 @@ ospf_ls_ack_timer (struct thread *thread) #ifdef WANT_OSPF_WRITE_FRAGMENT void ospf_write_frags (int fd, struct ospf_packet *op, struct ip *iph, - struct msghdr *msg, struct iovec *iov[], - unsigned int maxdatasize, + struct msghdr *msg, unsigned int maxdatasize, unsigned int mtu, int flags, u_char type) { #define OSPF_WRITE_FRAG_SHIFT 3 u_int16_t offset; + struct iovec *iovp; int ret; assert ( op->length == stream_get_endp(op->s) ); + assert (msg->msg_iovlen == 2); /* we can but try. * @@ -515,12 +516,14 @@ ospf_write_frags (int fd, struct ospf_packet *op, struct ip *iph, /* ip frag offset is expressed in units of 8byte words */ offset = maxdatasize >> OSPF_WRITE_FRAG_SHIFT; + iovp = &msg->msg_iov[1]; + while ( (stream_get_endp(op->s) - stream_get_getp (op->s)) > maxdatasize ) { /* data length of this frag is to next offset value */ - iov[1]->iov_len = offset << OSPF_WRITE_FRAG_SHIFT; - iph->ip_len = iov[1]->iov_len + sizeof (struct ip); + iovp->iov_len = offset << OSPF_WRITE_FRAG_SHIFT; + iph->ip_len = iovp->iov_len + sizeof (struct ip); assert (iph->ip_len <= mtu); sockopt_iphdrincl_swab_htosys (iph); @@ -552,13 +555,13 @@ ospf_write_frags (int fd, struct ospf_packet *op, struct ip *iph, } iph->ip_off += offset; - stream_forward (op->s, iov[1]->iov_len); - iov[1]->iov_base = STREAM_PNT (op->s); + stream_forward (op->s, iovp->iov_len); + iovp->iov_base = STREAM_PNT (op->s); } /* setup for final fragment */ - iov[1]->iov_len = stream_get_endp(op->s) - stream_get_getp (op->s); - iph->ip_len = iov[1]->iov_len + sizeof (struct ip); + iovp->iov_len = stream_get_endp(op->s) - stream_get_getp (op->s); + iph->ip_len = iovp->iov_len + sizeof (struct ip); iph->ip_off &= (~IP_MF); } #endif /* WANT_OSPF_WRITE_FRAGMENT */ @@ -572,7 +575,7 @@ ospf_write (struct thread *thread) struct sockaddr_in sa_dst; struct ip iph; struct msghdr msg; - struct iovec iov[2], *iovp; + struct iovec iov[2]; u_char type; int ret; int flags = 0; @@ -676,11 +679,8 @@ ospf_write (struct thread *thread) */ #ifdef WANT_OSPF_WRITE_FRAGMENT if ( op->length > maxdatasize ) - { - iovp = iov; - ospf_write_frags (ospf->fd, op, &iph, &msg, &iovp, maxdatasize, - oi->ifp->mtu, flags, type); - } + ospf_write_frags (ospf->fd, op, &iph, &msg, maxdatasize, + oi->ifp->mtu, flags, type); #endif /* WANT_OSPF_WRITE_FRAGMENT */ /* send final fragment (could be first) */ @@ -3249,7 +3249,7 @@ ospf_ls_upd_packet_new (struct list *update, struct ospf_interface *oi) " %d bytes, packet size %ld, dropping it completely." " OSPF routing is broken!", inet_ntoa (lsa->data->id), ntohs (lsa->data->length), - size); + (long int) size); list_delete_node (update, ln); return NULL; } |