X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=ofproto%2Fofproto-dpif-sflow.c;h=cb1f8308552e597543743a385c7882ef1a8cdd9d;hb=HEAD;hp=ac80ff9f10405024aa0baad9424257c385d1cbe1;hpb=d017eeb9f9ebcb46c24a67fd301b3e36cd26a04e;p=sliver-openvswitch.git diff --git a/ofproto/ofproto-dpif-sflow.c b/ofproto/ofproto-dpif-sflow.c index ac80ff9f1..cb1f83085 100644 --- a/ofproto/ofproto-dpif-sflow.c +++ b/ofproto/ofproto-dpif-sflow.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc. + * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc. * Copyright (c) 2009 InMon Corp. * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -59,7 +59,7 @@ struct dpif_sflow { size_t n_flood, n_all; struct hmap ports; /* Contains "struct dpif_sflow_port"s. */ uint32_t probability; - atomic_int ref_cnt; + struct ovs_refcount ref_cnt; }; static void dpif_sflow_del_port__(struct dpif_sflow *, @@ -146,7 +146,7 @@ sflow_agent_send_packet_cb(void *ds_, SFLAgent *agent OVS_UNUSED, static struct dpif_sflow_port * dpif_sflow_find_port(const struct dpif_sflow *ds, odp_port_t odp_port) - OVS_REQ_WRLOCK(&mutex) + OVS_REQUIRES(mutex) { struct dpif_sflow_port *dsp; @@ -162,7 +162,7 @@ dpif_sflow_find_port(const struct dpif_sflow *ds, odp_port_t odp_port) static void sflow_agent_get_counters(void *ds_, SFLPoller *poller, SFL_COUNTERS_SAMPLE_TYPE *cs) - OVS_REQ_WRLOCK(&mutex) + OVS_REQUIRES(mutex) { struct dpif_sflow *ds = ds_; SFLCounters_sample_element elem; @@ -253,13 +253,16 @@ sflow_choose_agent_address(const char *agent_device, } SSET_FOR_EACH (target, targets) { - struct sockaddr_in sin; + struct sockaddr_storage ss; char name[IFNAMSIZ]; - if (inet_parse_active(target, SFL_DEFAULT_COLLECTOR_PORT, &sin) - && route_table_get_name(sin.sin_addr.s_addr, name) - && !netdev_get_in4_by_name(name, &in4)) { - goto success; + if (inet_parse_active(target, SFL_DEFAULT_COLLECTOR_PORT, &ss) + && ss.ss_family == AF_INET) { + struct sockaddr_in *sin = (struct sockaddr_in *) &ss; + if (route_table_get_name(sin->sin_addr.s_addr, name) + && !netdev_get_in4_by_name(name, &in4)) { + goto success; + } } } @@ -276,10 +279,11 @@ success: } static void -dpif_sflow_clear__(struct dpif_sflow *ds) OVS_REQ_WRLOCK(mutex) +dpif_sflow_clear__(struct dpif_sflow *ds) OVS_REQUIRES(mutex) { if (ds->sflow_agent) { sfl_agent_release(ds->sflow_agent); + free(ds->sflow_agent); ds->sflow_agent = NULL; } collectors_destroy(ds->collectors); @@ -317,7 +321,7 @@ dpif_sflow_create(void) struct dpif_sflow *ds; if (ovsthread_once_start(&once)) { - ovs_mutex_init(&mutex, PTHREAD_MUTEX_RECURSIVE); + ovs_mutex_init_recursive(&mutex); ovsthread_once_done(&once); } @@ -326,7 +330,7 @@ dpif_sflow_create(void) hmap_init(&ds->ports); ds->probability = 0; route_table_register(); - atomic_init(&ds->ref_cnt, 1); + ovs_refcount_init(&ds->ref_cnt); return ds; } @@ -336,9 +340,7 @@ dpif_sflow_ref(const struct dpif_sflow *ds_) { struct dpif_sflow *ds = CONST_CAST(struct dpif_sflow *, ds_); if (ds) { - int orig; - atomic_add(&ds->ref_cnt, 1, &orig); - ovs_assert(orig > 0); + ovs_refcount_ref(&ds->ref_cnt); } return ds; } @@ -359,15 +361,7 @@ dpif_sflow_get_probability(const struct dpif_sflow *ds) OVS_EXCLUDED(mutex) void dpif_sflow_unref(struct dpif_sflow *ds) OVS_EXCLUDED(mutex) { - int orig; - - if (!ds) { - return; - } - - atomic_sub(&ds->ref_cnt, 1, &orig); - ovs_assert(orig > 0); - if (orig == 1) { + if (ds && ovs_refcount_unref(&ds->ref_cnt) == 1) { struct dpif_sflow_port *dsp, *next; route_table_unregister(); @@ -382,7 +376,7 @@ dpif_sflow_unref(struct dpif_sflow *ds) OVS_EXCLUDED(mutex) static void dpif_sflow_add_poller(struct dpif_sflow *ds, struct dpif_sflow_port *dsp) - OVS_REQ_WRLOCK(mutex) + OVS_REQUIRES(mutex) { SFLPoller *poller = sfl_agent_addPoller(ds->sflow_agent, &dsp->dsi, ds, sflow_agent_get_counters); @@ -426,7 +420,7 @@ out: static void dpif_sflow_del_port__(struct dpif_sflow *ds, struct dpif_sflow_port *dsp) - OVS_REQ_WRLOCK(mutex) + OVS_REQUIRES(mutex) { if (ds->sflow_agent) { sfl_agent_removePoller(ds->sflow_agent, &dsp->dsi); @@ -608,12 +602,12 @@ dpif_sflow_received(struct dpif_sflow *ds, struct ofpbuf *packet, header->header_protocol = SFLHEADER_ETHERNET_ISO8023; /* The frame_length should include the Ethernet FCS (4 bytes), * but it has already been stripped, so we need to add 4 here. */ - header->frame_length = packet->size + 4; + header->frame_length = ofpbuf_size(packet) + 4; /* Ethernet FCS stripped off. */ header->stripped = 4; - header->header_length = MIN(packet->size, + header->header_length = MIN(ofpbuf_size(packet), sampler->sFlowFsMaximumHeaderSize); - header->header_bytes = packet->data; + header->header_bytes = ofpbuf_data(packet); /* Add extended switch element. */ memset(&switchElem, 0, sizeof(switchElem));