Date: Fri, 27 May 2011 12:40:06 GMT From: Kazuya Goda <goda@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 193792 for review Message-ID: <201105271240.p4RCe6MI012872@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@193792?ac=10 Change 193792 by goda@hassaku on 2011/05/27 12:39:23 Implements RPS. Affected files ... .. //depot/projects/soc2011/kgoda_rpsrfs/src/sys/amd64/conf/RPS#1 add .. //depot/projects/soc2011/kgoda_rpsrfs/src/sys/conf/options#2 edit .. //depot/projects/soc2011/kgoda_rpsrfs/src/sys/net/if_ethersubr.c#2 edit Differences ... ==== //depot/projects/soc2011/kgoda_rpsrfs/src/sys/conf/options#2 (text+ko) ==== @@ -424,6 +424,7 @@ RADIX_MPATH opt_mpath.h ROUTETABLES opt_route.h RSS opt_rss.h +RPS opt_rps.h SLIP_IFF_OPTS opt_slip.h TCPDEBUG TCP_OFFLOAD_DISABLE opt_inet.h #Disable code to dispatch tcp offloading ==== //depot/projects/soc2011/kgoda_rpsrfs/src/sys/net/if_ethersubr.c#2 (text+ko) ==== @@ -30,6 +30,7 @@ * $FreeBSD: src/sys/net/if_ethersubr.c,v 1.282 2010/11/22 19:32:54 dim Exp $ */ + #include "opt_atalk.h" #include "opt_inet.h" #include "opt_inet6.h" @@ -37,6 +38,7 @@ #include "opt_netgraph.h" #include "opt_mbuf_profiling.h" #include "opt_rss.h" +#include "opt_rps.h" #include <sys/param.h> #include <sys/systm.h> @@ -71,9 +73,12 @@ #include <netinet/in_var.h> #include <netinet/if_ether.h> #include <netinet/in_rss.h> +#include <netinet/ip.h> #include <netinet/ip_carp.h> #include <netinet/ip_var.h> #include <netinet/ip_fw.h> +#include <netinet/tcp.h> + #include <netinet/ipfw/ip_fw_private.h> #endif #ifdef INET6 @@ -902,6 +907,28 @@ case ETHERTYPE_IP: if ((m = ip_fastforward(m)) == NULL) return; + +#ifdef RPS + { + struct ip *ip = NULL; + struct tcphdr *th = NULL; + + if ( m->m_flags & M_FLOWID ) + goto not_rps; + + ip = mtod(m, struct ip *); + if( ip->ip_p != IPPROTO_TCP ) + goto not_rps; + + th = (struct tcphdr *)((caddr_t)ip + ( ip->ip_hl << 2 ) ); + + m->m_flags |= M_FLOWID; + m->m_pkthdr.flowid = rss_hash_ip4_4tuple(ip->ip_src, th->th_sport, ip->ip_dst, th->th_dport); + + } + +not_rps: +#endif isr = NETISR_IP; break;
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