diff options
| author |   angelos <angelos@openbsd.org> | 2001-06-23 06:03:11 +0000 |
|---|---|---|
| committer | angelos <angelos@openbsd.org> | 2001-06-23 06:03:11 +0000 |
| commit | 67475e5f67023fbc2b5ae2ea424a4df3a86a688d (patch) | |
| tree | ff5e9e28d5ac0460830323d85484295dafd950f2 /sys/netinet/udp_usrreq.c | |
| parent | ok, tmac is now fixed (diff) | |
| download | wireguard-openbsd-67475e5f67023fbc2b5ae2ea424a4df3a86a688d.tar.xz wireguard-openbsd-67475e5f67023fbc2b5ae2ea424a4df3a86a688d.zip | |
Keep stats on TCP/UDP hardware checksumming.
Diffstat (limited to 'sys/netinet/udp_usrreq.c')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 55ade377152..763494b2086 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -1,4 +1,4 @@ -/* $OpenBSD: udp_usrreq.c,v 1.66 2001/06/23 05:36:08 angelos Exp $ */ +/* $OpenBSD: udp_usrreq.c,v 1.67 2001/06/23 06:03:13 angelos Exp $ */ /* $NetBSD: udp_usrreq.c,v 1.28 1996/03/16 23:54:03 christos Exp $ */ /* @@ -302,14 +302,22 @@ udp_input(m, va_alist) sizeof ((struct ipovly *)ip)->ih_x1); ((struct ipovly *)ip)->ih_len = uh->uh_ulen; - if (m->m_pkthdr.csum & M_UDP_CSUM_IN_BAD || - (uh->uh_sum = in_cksum(m, len + - sizeof (struct ip))) != 0) { + if (m->m_pkthdr.csum & M_UDP_CSUM_IN_BAD) { udpstat.udps_badsum++; + udpstat.udps_inhwcsum++; m_freem(m); return; } - } + + if ((uh->uh_sum = in_cksum(m, len + + sizeof (struct ip))) != 0) { + udpstat.udps_badsum++; + m_freem(m); + return; + } + } else + udpstat.udps_inhwcsum++; + } else udpstat.udps_nosum++; @@ -943,6 +951,7 @@ udp_output(m, va_alist) ifp = ro->ro_rt->rt_ifp; if (ifp->if_capabilities & IFCAP_CSUM_UDPv4) { m->m_pkthdr.csum |= M_UDPV4_CSUM_OUT; + udpstat.udps_outhwcsum++; ui->ui_sum = in_cksum(m, sizeof(struct udpiphdr)); goto skipudpcsum; |