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author | Ben Pfaff <blp@ovn.org> | 2016-01-18 20:12:30 -0800 |
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committer | Ben Pfaff <blp@ovn.org> | 2016-01-20 10:02:48 -0800 |
commit | a2b53dec11a6d001fd024ba8729de5c63bd2b6a1 (patch) | |
tree | 68fbe6f19fc3167c80c2e48661ff346e025359f7 /ofproto/ofproto-dpif.c | |
parent | 9bfe933472a784cd6b3f946afc3eed73d74f6a7d (diff) | |
download | openvswitch-a2b53dec11a6d001fd024ba8729de5c63bd2b6a1.tar.gz |
connmgr: Generalize ofproto_packet_in to ofproto_async_msg.
An upcoming commit will add another kind of asynchronous message that
should be handled in the same way as packet-ins.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Diffstat (limited to 'ofproto/ofproto-dpif.c')
-rw-r--r-- | ofproto/ofproto-dpif.c | 63 |
1 files changed, 30 insertions, 33 deletions
diff --git a/ofproto/ofproto-dpif.c b/ofproto/ofproto-dpif.c index fbb392f69..3281eaa8b 100644 --- a/ofproto/ofproto-dpif.c +++ b/ofproto/ofproto-dpif.c @@ -341,9 +341,9 @@ struct ofproto_dpif { uint64_t change_seq; /* Connectivity status changes. */ /* Work queues. */ - struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */ - struct seq *pins_seq; /* For notifying 'pins' reception. */ - uint64_t pins_seqno; + struct guarded_list ams; /* Contains "struct ofproto_async_msgs"s. */ + struct seq *ams_seq; /* For notifying 'ams' reception. */ + uint64_t ams_seqno; }; /* All existing ofproto_dpif instances, indexed by ->up.name. */ @@ -400,20 +400,19 @@ ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto, ofproto_flow_mod(&ofproto->up, &ofm); } -/* Appends 'pin' to the queue of "packet ins" to be sent to the controller. - * Takes ownership of 'pin' and pin->packet. */ +/* Appends 'am' to the queue of asynchronous messages to be sent to the + * controller. Takes ownership of 'am' and any data it points to. */ void -ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto, - struct ofproto_packet_in *pin) +ofproto_dpif_send_async_msg(struct ofproto_dpif *ofproto, + struct ofproto_async_msg *am) { - if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) { + if (!guarded_list_push_back(&ofproto->ams, &am->list_node, 1024)) { COVERAGE_INC(packet_in_overflow); - free(CONST_CAST(void *, pin->up.packet)); - free(pin); + ofproto_async_msg_free(am); } /* Wakes up main thread for packet-in I/O. */ - seq_change(ofproto->pins_seq); + seq_change(ofproto->ams_seq); } /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the @@ -1329,7 +1328,7 @@ construct(struct ofproto *ofproto_) ovs_mutex_init_adaptive(&ofproto->stats_mutex); ovs_mutex_init(&ofproto->vsp_mutex); - guarded_list_init(&ofproto->pins); + guarded_list_init(&ofproto->ams); hmap_init(&ofproto->vlandev_map); hmap_init(&ofproto->realdev_vid_map); @@ -1339,8 +1338,8 @@ construct(struct ofproto *ofproto_) sset_init(&ofproto->port_poll_set); ofproto->port_poll_errno = 0; ofproto->change_seq = 0; - ofproto->pins_seq = seq_create(); - ofproto->pins_seqno = seq_read(ofproto->pins_seq); + ofproto->ams_seq = seq_create(); + ofproto->ams_seqno = seq_read(ofproto->ams_seq); SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { @@ -1444,10 +1443,10 @@ static void destruct(struct ofproto *ofproto_) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - struct ofproto_packet_in *pin; + struct ofproto_async_msg *am; struct rule_dpif *rule; struct oftable *table; - struct ovs_list pins; + struct ovs_list ams; ofproto->backer->need_revalidate = REV_RECONFIGURE; xlate_txn_start(); @@ -1467,12 +1466,11 @@ destruct(struct ofproto *ofproto_) } ofproto_group_delete_all(&ofproto->up); - guarded_list_pop_all(&ofproto->pins, &pins); - LIST_FOR_EACH_POP (pin, list_node, &pins) { - free(CONST_CAST(void *, pin->up.packet)); - free(pin); + guarded_list_pop_all(&ofproto->ams, &ams); + LIST_FOR_EACH_POP (am, list_node, &ams) { + ofproto_async_msg_free(am); } - guarded_list_destroy(&ofproto->pins); + guarded_list_destroy(&ofproto->ams); recirc_free_ofproto(ofproto, ofproto->up.name); @@ -1495,7 +1493,7 @@ destruct(struct ofproto *ofproto_) ovs_mutex_destroy(&ofproto->stats_mutex); ovs_mutex_destroy(&ofproto->vsp_mutex); - seq_destroy(ofproto->pins_seq); + seq_destroy(ofproto->ams_seq); close_dpif_backer(ofproto->backer); } @@ -1514,23 +1512,22 @@ run(struct ofproto *ofproto_) mcast_snooping_mdb_flush(ofproto->ms); } - /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during + /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during * flow restore. Even though nothing is processed during flow restore, - * all queued 'pins' will be handled immediately when flow restore + * all queued 'ams' will be handled immediately when flow restore * completes. */ - ofproto->pins_seqno = seq_read(ofproto->pins_seq); + ofproto->ams_seqno = seq_read(ofproto->ams_seq); /* Do not perform any periodic activity required by 'ofproto' while * waiting for flow restore to complete. */ if (!ofproto_get_flow_restore_wait()) { - struct ofproto_packet_in *pin; - struct ovs_list pins; + struct ofproto_async_msg *am; + struct ovs_list ams; - guarded_list_pop_all(&ofproto->pins, &pins); - LIST_FOR_EACH_POP (pin, list_node, &pins) { - connmgr_send_packet_in(ofproto->up.connmgr, pin); - free(CONST_CAST(void *, pin->up.packet)); - free(pin); + guarded_list_pop_all(&ofproto->ams, &ams); + LIST_FOR_EACH_POP (am, list_node, &ams) { + connmgr_send_async_msg(ofproto->up.connmgr, am); + ofproto_async_msg_free(am); } } @@ -1641,7 +1638,7 @@ wait(struct ofproto *ofproto_) } seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq); - seq_wait(ofproto->pins_seq, ofproto->pins_seqno); + seq_wait(ofproto->ams_seq, ofproto->ams_seqno); } static void |