svn commit: r271006 - in head/sys: net netinet netpfil/pf sys
Gleb Smirnoff
glebius at FreeBSD.org
Wed Sep 3 08:30:19 UTC 2014
Author: glebius
Date: Wed Sep 3 08:30:18 2014
New Revision: 271006
URL: http://svnweb.freebsd.org/changeset/base/271006
Log:
Clean up unused CSUM_FRAGMENT.
Sponsored by: Nginx, Inc.
Modified:
head/sys/net/if_vlan.c
head/sys/netinet/ip_fastfwd.c
head/sys/netinet/ip_output.c
head/sys/netpfil/pf/pf.c
head/sys/sys/mbuf.h
Modified: head/sys/net/if_vlan.c
==============================================================================
--- head/sys/net/if_vlan.c Wed Sep 3 08:28:16 2014 (r271005)
+++ head/sys/net/if_vlan.c Wed Sep 3 08:30:18 2014 (r271006)
@@ -1501,7 +1501,7 @@ vlan_capabilities(struct ifvlan *ifv)
p->if_capenable & IFCAP_VLAN_HWTAGGING) {
ifp->if_capenable = p->if_capenable & IFCAP_HWCSUM;
ifp->if_hwassist = p->if_hwassist & (CSUM_IP | CSUM_TCP |
- CSUM_UDP | CSUM_SCTP | CSUM_FRAGMENT);
+ CSUM_UDP | CSUM_SCTP);
} else {
ifp->if_capenable = 0;
ifp->if_hwassist = 0;
Modified: head/sys/netinet/ip_fastfwd.c
==============================================================================
--- head/sys/netinet/ip_fastfwd.c Wed Sep 3 08:28:16 2014 (r271005)
+++ head/sys/netinet/ip_fastfwd.c Wed Sep 3 08:30:18 2014 (r271006)
@@ -523,8 +523,7 @@ passout:
else
mtu = ifp->if_mtu;
- if (ip_len <= mtu ||
- (ifp->if_hwassist & CSUM_FRAGMENT && (ip_off & IP_DF) == 0)) {
+ if (ip_len <= mtu) {
/*
* Avoid confusing lower layers.
*/
Modified: head/sys/netinet/ip_output.c
==============================================================================
--- head/sys/netinet/ip_output.c Wed Sep 3 08:28:16 2014 (r271005)
+++ head/sys/netinet/ip_output.c Wed Sep 3 08:30:18 2014 (r271006)
@@ -624,8 +624,7 @@ passout:
* care of the fragmentation for us, we can just send directly.
*/
if (ip_len <= mtu ||
- (m->m_pkthdr.csum_flags & ifp->if_hwassist & CSUM_TSO) != 0 ||
- ((ip_off & IP_DF) == 0 && (ifp->if_hwassist & CSUM_FRAGMENT))) {
+ (m->m_pkthdr.csum_flags & ifp->if_hwassist & CSUM_TSO) != 0) {
ip->ip_sum = 0;
if (m->m_pkthdr.csum_flags & CSUM_IP & ~ifp->if_hwassist) {
ip->ip_sum = in_cksum(m, hlen);
Modified: head/sys/netpfil/pf/pf.c
==============================================================================
--- head/sys/netpfil/pf/pf.c Wed Sep 3 08:28:16 2014 (r271005)
+++ head/sys/netpfil/pf/pf.c Wed Sep 3 08:30:18 2014 (r271006)
@@ -5332,8 +5332,7 @@ pf_route(struct mbuf **m, struct pf_rule
* care of the fragmentation for us, we can just send directly.
*/
if (ip_len <= ifp->if_mtu ||
- (m0->m_pkthdr.csum_flags & ifp->if_hwassist & CSUM_TSO) != 0 ||
- ((ip_off & IP_DF) == 0 && (ifp->if_hwassist & CSUM_FRAGMENT))) {
+ (m0->m_pkthdr.csum_flags & ifp->if_hwassist & CSUM_TSO) != 0) {
ip->ip_sum = 0;
if (m0->m_pkthdr.csum_flags & CSUM_IP & ~ifp->if_hwassist) {
ip->ip_sum = in_cksum(m0, ip->ip_hl << 2);
Modified: head/sys/sys/mbuf.h
==============================================================================
--- head/sys/sys/mbuf.h Wed Sep 3 08:28:16 2014 (r271005)
+++ head/sys/sys/mbuf.h Wed Sep 3 08:30:18 2014 (r271006)
@@ -445,7 +445,6 @@ void sf_ext_free(void *, void *);
#define CSUM_UDP_IPV6 CSUM_IP6_UDP
#define CSUM_TCP_IPV6 CSUM_IP6_TCP
#define CSUM_SCTP_IPV6 CSUM_IP6_SCTP
-#define CSUM_FRAGMENT 0x0 /* Unused */
/*
* mbuf types describing the content of the mbuf (including external storage).
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