diff options
Diffstat (limited to 'sys/netinet/ip_fastfwd.c')
| -rw-r--r-- | sys/netinet/ip_fastfwd.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/netinet/ip_fastfwd.c b/sys/netinet/ip_fastfwd.c index 9b81760e58f3..51e7c2fbc4b0 100644 --- a/sys/netinet/ip_fastfwd.c +++ b/sys/netinet/ip_fastfwd.c @@ -69,6 +69,7 @@ #include <sys/cdefs.h> #include "opt_ipstealth.h" +#include "opt_sctp.h" #include <sys/param.h> #include <sys/systm.h> @@ -102,6 +103,10 @@ #include <machine/in_cksum.h> +#if defined(SCTP) || defined(SCTP_SUPPORT) +#include <netinet/sctp_crc32.h> +#endif + #define V_ipsendredirects VNET(ipsendredirects) static struct mbuf * @@ -460,6 +465,23 @@ passout: } else gw = (const struct sockaddr *)dst; + /* + * If TCP/UDP header still needs a valid checksum and interface will not + * calculate it for us, do it here. + */ + if (__predict_false(m->m_pkthdr.csum_flags & CSUM_DELAY_DATA & + ~nh->nh_ifp->if_hwassist)) { + in_delayed_cksum(m); + m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA; + } +#if defined(SCTP) || defined(SCTP_SUPPORT) + if (__predict_false(m->m_pkthdr.csum_flags & CSUM_IP_SCTP & + ~nh->nh_ifp->if_hwassist)) { + sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2)); + m->m_pkthdr.csum_flags &= ~CSUM_IP_SCTP; + } +#endif + /* Handle redirect case. */ redest.s_addr = 0; if (V_ipsendredirects && osrc.s_addr == ip->ip_src.s_addr && |