Date: Mon, 17 Nov 2008 07:03:05 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r185020 - user/kmacy/HEAD_fast_multi_xmit/sys/netinet Message-ID: <200811170703.mAH735xT075818@svn.freebsd.org>
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Author: kmacy Date: Mon Nov 17 07:03:05 2008 New Revision: 185020 URL: http://svn.freebsd.org/changeset/base/185020 Log: Make ipv4 pcpu and global flowtable size tunables Modified: user/kmacy/HEAD_fast_multi_xmit/sys/netinet/ip_input.c Modified: user/kmacy/HEAD_fast_multi_xmit/sys/netinet/ip_input.c ============================================================================== --- user/kmacy/HEAD_fast_multi_xmit/sys/netinet/ip_input.c Mon Nov 17 05:19:18 2008 (r185019) +++ user/kmacy/HEAD_fast_multi_xmit/sys/netinet/ip_input.c Mon Nov 17 07:03:05 2008 (r185020) @@ -206,6 +206,23 @@ SYSCTL_V_INT(V_NET, vnet_inet, _net_inet ipstealth, 0, "IP stealth mode, no TTL decrementation on forwarding"); #endif +static int ipv4_pcpu_flowtable_size = 2048; +TUNABLE_INT("net.inet.ip.pcpu_flowtable_size", &ipv4_pcpu_flowtable_size); +SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_ip, OID_AUTO, pcpu_flowtable_size, + CTLFLAG_RDTUN, ipv4_pcpu_flowtable_size, 0, + "number of entries in the per cpu flow caches"); + +#ifdef RADIX_MPATH +static int ipv4_global_flowtable_size = 128*1024; +#else +static int ipv4_global_flowtable_size = 16*1024; +#endif +TUNABLE_INT("net.inet.ip.global_flowtable_size", &ipv4_global_flowtable_size); +SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_ip, OID_AUTO, global_flowtable_size, + CTLFLAG_RDTUN, ipv4_global_flowtable_size, 0, + "number of entries in the global flow cache"); + + /* * ipfw_ether and ipfw_bridge hooks. * XXX: Temporary until those are converted to pfil_hooks as well. @@ -216,7 +233,6 @@ int fw_one_pass = 1; struct flowtable *ipv4_ft; struct flowtable *ipv4_forward_ft; - static void ip_freef(struct ipqhead *, struct ipq *); /* @@ -283,13 +299,8 @@ ip_init(void) mtx_init(&ipintrq.ifq_mtx, "ip_inq", NULL, MTX_DEF); netisr_register(NETISR_IP, ip_input, &ipintrq, 0); - ipv4_ft = flowtable_alloc(2048, FL_PCPU); -#ifdef RADIX_MPATH - ipv4_forward_ft = flowtable_alloc(128*1024, FL_HASH_PORTS); -#else - ipv4_forward_ft = flowtable_alloc(16*1024, 0); -#endif - + ipv4_ft = flowtable_alloc(ipv4_pcpu_flowtable_size, FL_PCPU); + ipv4_forward_ft = flowtable_alloc(ipv4_global_flowtable_size, FL_HASH_PORTS); } void
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