diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/net/if.c | 24 | ||||
| -rw-r--r-- | sys/net/if_loop.c | 9 | ||||
| -rw-r--r-- | sys/netinet/tcp_usrreq.c | 3 | ||||
| -rw-r--r-- | sys/netinet/tcp_var.h | 4 |
4 files changed, 34 insertions, 6 deletions
diff --git a/sys/net/if.c b/sys/net/if.c index 770537cf61a..8901f84b0ab 100644 --- a/sys/net/if.c +++ b/sys/net/if.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if.c,v 1.701 2023/06/27 21:02:13 mvs Exp $ */ +/* $OpenBSD: if.c,v 1.702 2023/07/02 19:59:15 bluhm Exp $ */ /* $NetBSD: if.c,v 1.35 1996/05/07 05:26:04 thorpej Exp $ */ /* @@ -106,6 +106,9 @@ #ifdef MROUTING #include <netinet/ip_mroute.h> #endif +#include <netinet/tcp.h> +#include <netinet/tcp_timer.h> +#include <netinet/tcp_var.h> #ifdef INET6 #include <netinet6/in6_var.h> @@ -802,13 +805,30 @@ if_input_local(struct ifnet *ifp, struct mbuf *m, sa_family_t af) * is now incorrect, will be calculated before sending. */ keepcksum = m->m_pkthdr.csum_flags & (M_IPV4_CSUM_OUT | - M_TCP_CSUM_OUT | M_UDP_CSUM_OUT | M_ICMP_CSUM_OUT); + M_TCP_CSUM_OUT | M_UDP_CSUM_OUT | M_ICMP_CSUM_OUT | + M_TCP_TSO); m_resethdr(m); m->m_flags |= M_LOOP | keepflags; m->m_pkthdr.csum_flags = keepcksum; m->m_pkthdr.ph_ifidx = ifp->if_index; m->m_pkthdr.ph_rtableid = ifp->if_rdomain; + if (ISSET(keepcksum, M_TCP_TSO) && m->m_pkthdr.len > ifp->if_mtu) { + if (ifp->if_mtu > 0 && + ((af == AF_INET && + ISSET(ifp->if_capabilities, IFCAP_TSOv4)) || + (af == AF_INET6 && + ISSET(ifp->if_capabilities, IFCAP_TSOv6)))) { + tcpstat_inc(tcps_inswlro); + tcpstat_add(tcps_inpktlro, + (m->m_pkthdr.len + ifp->if_mtu - 1) / ifp->if_mtu); + } else { + tcpstat_inc(tcps_inbadlro); + m_freem(m); + return (EPROTONOSUPPORT); + } + } + if (ISSET(keepcksum, M_TCP_CSUM_OUT)) m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK; if (ISSET(keepcksum, M_UDP_CSUM_OUT)) diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c index d96f5ea753a..112fda79f21 100644 --- a/sys/net/if_loop.c +++ b/sys/net/if_loop.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_loop.c,v 1.94 2023/06/05 11:35:46 bluhm Exp $ */ +/* $OpenBSD: if_loop.c,v 1.95 2023/07/02 19:59:15 bluhm Exp $ */ /* $NetBSD: if_loop.c,v 1.15 1996/05/07 02:40:33 thorpej Exp $ */ /* @@ -175,7 +175,8 @@ loop_clone_create(struct if_clone *ifc, int unit) ifp->if_xflags = IFXF_CLONED; ifp->if_capabilities = IFCAP_CSUM_IPv4 | IFCAP_CSUM_TCPv4 | IFCAP_CSUM_UDPv4 | - IFCAP_CSUM_TCPv6 | IFCAP_CSUM_UDPv6; + IFCAP_CSUM_TCPv6 | IFCAP_CSUM_UDPv6 | + IFCAP_LRO; ifp->if_rtrequest = lortrequest; ifp->if_ioctl = loioctl; ifp->if_input = loinput; @@ -281,6 +282,10 @@ loioctl(struct ifnet *ifp, u_long cmd, caddr_t data) switch (cmd) { case SIOCSIFFLAGS: + if (ISSET(ifp->if_xflags, IFXF_LRO)) + SET(ifp->if_capabilities, IFCAP_TSOv4 | IFCAP_TSOv6); + else + CLR(ifp->if_capabilities, IFCAP_TSOv4 | IFCAP_TSOv6); break; case SIOCSIFADDR: diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c index e321da334cd..7a92879ba4a 100644 --- a/sys/netinet/tcp_usrreq.c +++ b/sys/netinet/tcp_usrreq.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_usrreq.c,v 1.219 2023/05/23 09:16:16 jan Exp $ */ +/* $OpenBSD: tcp_usrreq.c,v 1.220 2023/07/02 19:59:15 bluhm Exp $ */ /* $NetBSD: tcp_usrreq.c,v 1.20 1996/02/13 23:44:16 christos Exp $ */ /* @@ -1340,6 +1340,7 @@ tcp_sysctl_tcpstat(void *oldp, size_t *oldlenp, void *newp) ASSIGN(tcps_outhwtso); ASSIGN(tcps_outpkttso); ASSIGN(tcps_outbadtso); + ASSIGN(tcps_inswlro); ASSIGN(tcps_inhwlro); ASSIGN(tcps_inpktlro); ASSIGN(tcps_inbadlro); diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index 0cc13c6e08c..e071961dab4 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_var.h,v 1.167 2023/05/23 09:16:16 jan Exp $ */ +/* $OpenBSD: tcp_var.h,v 1.168 2023/07/02 19:59:15 bluhm Exp $ */ /* $NetBSD: tcp_var.h,v 1.17 1996/02/13 23:44:24 christos Exp $ */ /* @@ -447,6 +447,7 @@ struct tcpstat { u_int32_t tcps_outhwtso; /* output tso processed by hardware */ u_int32_t tcps_outpkttso; /* packets generated by tso */ u_int32_t tcps_outbadtso; /* output tso failed, packet dropped */ + u_int32_t tcps_inswlro; /* input lro on pseudo device */ u_int32_t tcps_inhwlro; /* input lro from hardware */ u_int32_t tcps_inpktlro; /* packets coalesced by hardware lro */ u_int32_t tcps_inbadlro; /* input bad lro packets */ @@ -628,6 +629,7 @@ enum tcpstat_counters { tcps_outhwtso, tcps_outpkttso, tcps_outbadtso, + tcps_inswlro, tcps_inhwlro, tcps_inpktlro, tcps_inbadlro, |