X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=ofproto%2Fnetflow.c;h=2d69db80fa0650313d1ec5007602f4a0831ee7ab;hb=0b3769425ffdc935588254dae9a4c31788846e2f;hp=4881c5fdb5ce6c657db786f074b68d1d51ce90c3;hpb=9ebc44ae8c5940513a8dcc2aab8dcca8aff9d2a2;p=openvswitch diff --git a/ofproto/netflow.c b/ofproto/netflow.c index 4881c5fd..2d69db80 100644 --- a/ofproto/netflow.c +++ b/ofproto/netflow.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -20,6 +20,7 @@ #include #include #include +#include "byte-order.h" #include "collectors.h" #include "flow.h" #include "netflow.h" @@ -27,13 +28,11 @@ #include "ofproto.h" #include "packets.h" #include "socket-util.h" -#include "svec.h" #include "timeval.h" #include "util.h" #include "vlog.h" -#include "xtoxll.h" -VLOG_DEFINE_THIS_MODULE(netflow) +VLOG_DEFINE_THIS_MODULE(netflow); #define NETFLOW_V5_VERSION 5 @@ -148,7 +147,7 @@ gen_netflow_rec(struct netflow *nf, struct netflow_flow *nf_flow, nf_rec->init_time = htonl(nf_flow->created - nf->boot_time); nf_rec->used_time = htonl(MAX(nf_flow->created, expired->used) - nf->boot_time); - if (expired->flow.nw_proto == IP_TYPE_ICMP) { + if (expired->flow.nw_proto == IPPROTO_ICMP) { /* In NetFlow, the ICMP type and code are concatenated and * placed in the 'dst_port' field. */ uint8_t type = ntohs(expired->flow.tp_src); @@ -190,8 +189,8 @@ netflow_expire(struct netflow *nf, struct netflow_flow *nf_flow, * traffic. We try to evenly distribute the packet and byte counters, * so that the bytes-per-packet lengths don't look wonky across the * records. */ - while (byte_delta > UINT32_MAX) { - uint32_t n_recs = byte_delta >> 32; + while (byte_delta) { + int n_recs = (byte_delta + UINT32_MAX - 1) / UINT32_MAX; uint32_t pkt_count = pkt_delta / n_recs; uint32_t byte_count = byte_delta / n_recs; @@ -200,9 +199,6 @@ netflow_expire(struct netflow *nf, struct netflow_flow *nf_flow, pkt_delta -= pkt_count; byte_delta -= byte_count; } - if (byte_delta > 0) { - gen_netflow_rec(nf, nf_flow, expired, pkt_delta, byte_delta); - } } else { /* In 600 seconds, a 10GbE link can theoretically transmit 75 * 10**10 * == 175 * 2**32 bytes. The byte counter is bigger than that, so it's @@ -286,6 +282,14 @@ netflow_destroy(struct netflow *nf) } } +/* Initializes a new 'nf_flow' given that the caller has already cleared it to + * all-zero-bits. */ +void +netflow_flow_init(struct netflow_flow *nf_flow OVS_UNUSED) +{ + /* Nothing to do. */ +} + void netflow_flow_clear(struct netflow_flow *nf_flow) {