Until now, Open vSwitch has ignored missing ports and queues in most cases in queue stats requests, simply returning an empty set of statistics. It seems that it is better to report an error, so this commit does this.
Reported-by: Prabina Pattnaik <prabina.pattn...@nechclst.in> Signed-off-by: Ben Pfaff <b...@nicira.com> --- v1 was here: http://openvswitch.org/pipermail/dev/2012-June/017780.html v2: no change AUTHORS | 1 + NEWS | 4 ++++ ofproto/ofproto.c | 28 ++++++++++++++++++---------- tests/ofproto.at | 8 ++++++++ 4 files changed, 31 insertions(+), 10 deletions(-) diff --git a/AUTHORS b/AUTHORS index bdfcb33..dc98ebe 100644 --- a/AUTHORS +++ b/AUTHORS @@ -140,6 +140,7 @@ Paul Ingram p...@nicira.com Paulo Cravero pcrav...@as2594.net Peter Balland pe...@nicira.com Peter Phaal peter.ph...@inmon.com +Prabina Pattnaik prabina.pattn...@nechclst.in Ralf Heiringhoff r...@frosty-geek.net Ram Jothikumar rjothiku...@nicira.com Ramana Reddy gtvrre...@gmail.com diff --git a/NEWS b/NEWS index c2ec953..f0b2490 100644 --- a/NEWS +++ b/NEWS @@ -11,6 +11,10 @@ post-v1.7.0 the multicast bit in the destination address could be individually masked.) - New field OXM_OF_METADATA, to align with OpenFlow 1.1. + - The OFPST_QUEUE request now reports an error if a specified port or + queue does not exist, or for requests for a specific queue on all + ports, if the specified queue does not exist on any port. (Previous + versions generally reported an empty set of results.) - Additional protocols are not mirrored and dropped when forward-bpdu is false. For a full list, see the ovs-vswitchd.conf.db man page. - Open vSwitch now sends RARP packets in situations where it previously diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c index 1a2f712..ce4da9d 100644 --- a/ofproto/ofproto.c +++ b/ofproto/ofproto.c @@ -2684,7 +2684,7 @@ handle_queue_stats_dump_cb(uint32_t queue_id, put_queue_stats(cbdata, queue_id, stats); } -static void +static enum ofperr handle_queue_stats_for_port(struct ofport *port, uint32_t queue_id, struct queue_stats_cbdata *cbdata) { @@ -2697,8 +2697,11 @@ handle_queue_stats_for_port(struct ofport *port, uint32_t queue_id, if (!netdev_get_queue_stats(port->netdev, queue_id, &stats)) { put_queue_stats(cbdata, queue_id, &stats); + } else { + return OFPERR_OFPQOFC_BAD_QUEUE; } } + return 0; } static enum ofperr @@ -2707,9 +2710,10 @@ handle_queue_stats_request(struct ofconn *ofconn, { struct ofproto *ofproto = ofconn_get_ofproto(ofconn); struct queue_stats_cbdata cbdata; - struct ofport *port; unsigned int port_no; + struct ofport *port; uint32_t queue_id; + enum ofperr error; COVERAGE_INC(ofproto_queue_req); @@ -2718,21 +2722,25 @@ handle_queue_stats_request(struct ofconn *ofconn, port_no = ntohs(qsr->port_no); queue_id = ntohl(qsr->queue_id); if (port_no == OFPP_ALL) { + error = OFPERR_OFPQOFC_BAD_QUEUE; HMAP_FOR_EACH (port, hmap_node, &ofproto->ports) { - handle_queue_stats_for_port(port, queue_id, &cbdata); + if (!handle_queue_stats_for_port(port, queue_id, &cbdata)) { + error = 0; + } } - } else if (port_no < OFPP_MAX) { + } else { port = ofproto_get_port(ofproto, port_no); - if (port) { - handle_queue_stats_for_port(port, queue_id, &cbdata); - } + error = (port + ? handle_queue_stats_for_port(port, queue_id, &cbdata) + : OFPERR_OFPQOFC_BAD_PORT); + } + if (!error) { + ofconn_send_replies(ofconn, &cbdata.replies); } else { ofpbuf_list_delete(&cbdata.replies); - return OFPERR_OFPQOFC_BAD_PORT; } - ofconn_send_replies(ofconn, &cbdata.replies); - return 0; + return error; } static bool diff --git a/tests/ofproto.at b/tests/ofproto.at index 28adf74..d703fa8 100644 --- a/tests/ofproto.at +++ b/tests/ofproto.at @@ -59,6 +59,14 @@ AT_CHECK([ovs-ofctl -vwarn queue-stats br0], [0], [stdout]) AT_CHECK([STRIP_XIDS stdout], [0], [dnl OFPST_QUEUE reply: 0 queues ]) +AT_CHECK([ovs-ofctl -vwarn queue-stats br0 ALL 5], [0], + [OFPT_ERROR (xid=0x1): OFPQOFC_BAD_QUEUE +OFPST_QUEUE request (xid=0x1):port=ALL queue=5 +]) +AT_CHECK([ovs-ofctl -vwarn queue-stats br0 10], [0], + [OFPT_ERROR (xid=0x1): OFPQOFC_BAD_PORT +OFPST_QUEUE request (xid=0x1):port=10 queue=ALL +]) OVS_VSWITCHD_STOP AT_CLEANUP -- 1.7.2.5 _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
