diff options
Diffstat (limited to 'freebsd/sys/netinet6/ip6_output.c')
| -rw-r--r-- | freebsd/sys/netinet6/ip6_output.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/freebsd/sys/netinet6/ip6_output.c b/freebsd/sys/netinet6/ip6_output.c index 06f1246a..95231631 100644 --- a/freebsd/sys/netinet6/ip6_output.c +++ b/freebsd/sys/netinet6/ip6_output.c @@ -998,19 +998,12 @@ passout: * Even if the DONTFRAG option is specified, we cannot send the * packet when the data length is larger than the MTU of the * outgoing interface. - * Notify the error by sending IPV6_PATHMTU ancillary data as - * well as returning an error code (the latter is not described - * in the API spec.) + * Notify the error by sending IPV6_PATHMTU ancillary data if + * application wanted to know the MTU value. Also return an + * error code (this is not described in the API spec). */ - u_int32_t mtu32; - struct ip6ctlparam ip6cp; - - mtu32 = (u_int32_t)mtu; - bzero(&ip6cp, sizeof(ip6cp)); - ip6cp.ip6c_cmdarg = (void *)&mtu32; - pfctlinput2(PRC_MSGSIZE, (struct sockaddr *)&ro_pmtu->ro_dst, - (void *)&ip6cp); - + if (inp != NULL) + ip6_notify_pmtu(inp, &dst_sa, (u_int32_t)mtu); error = EMSGSIZE; goto bad; } |