[ovs-dev] [PATCH 21/41] openflow: Implement OF1.4+ OFPMP_QUEUE_DESC multipart message.

Ben Pfaff blp at ovn.org
Wed Jan 20 17:28:41 UTC 2016


Thanks, applied to master.

On Tue, Jan 19, 2016 at 03:13:49PM -0800, Jarno Rajahalme wrote:
> Acked-by: Jarno Rajahalme <jarno at ovn.org>
> 
> > On Jan 18, 2016, at 11:27 PM, Ben Pfaff <blp at ovn.org> wrote:
> > 
> > OpenFlow 1.0 through 1.3 have a message OFPT_QUEUE_GET_CONFIG_REQUEST and
> > its corresponding reply, for fetching a description of the queues
> > configured on a given port.  OpenFlow 1.4 changes this message to a
> > multipart message OFPMP_QUEUE_DESC, which Open vSwitch has not until now
> > implemented.  This commit adds an implemntation of that message.  Because
> > the message is a replacement for the former one, this commit implements it
> > using the same ofp-util functions as the former message, so that the client
> > code doesn't have to distinguish a difference between versions.
> > 
> > The ovs-ofctl command queue-get-config was previously undocumented (due
> > only to an oversight).  This commit corrects that and documents the new
> > feature available with OpenFlow 1.4.
> > 
> > Signed-off-by: Ben Pfaff <blp at ovn.org>
> > ---
> > NEWS                            |   4 +-
> > OPENFLOW-1.1+.md                |   4 +-
> > include/openflow/openflow-1.4.h |  25 ++++
> > lib/ofp-errors.h                |   3 +
> > lib/ofp-msgs.h                  |  15 +-
> > lib/ofp-print.c                 |  32 +++--
> > lib/ofp-util.c                  | 305 +++++++++++++++++++++++++++-------------
> > lib/ofp-util.h                  |  16 +--
> > ofproto/ofproto.c               | 116 +++++++++------
> > tests/ofp-print.at              |  44 ++++++
> > tests/ofproto.at                |  46 ++++--
> > utilities/ovs-ofctl.8.in        |  12 +-
> > utilities/ovs-ofctl.c           |  20 +--
> > 13 files changed, 453 insertions(+), 189 deletions(-)
> > 
> > diff --git a/NEWS b/NEWS
> > index 4433329..5c18867 100644
> > --- a/NEWS
> > +++ b/NEWS
> > @@ -4,7 +4,9 @@ Post-v2.5.0
> >      * New "monitor2" and "update2" extensions to RFC 7047.
> >    - OpenFlow:
> >      * OpenFlow 1.1+ OFPT_QUEUE_GET_CONFIG_REQUEST now supports OFPP_ANY.
> > -
> > +     * OpenFlow 1.4+ OFPMP_QUEUE_DESC is now supported.
> > +   - ovs-ofctl:
> > +     * queue-get-config command now allows a queue ID to be specified.
> > 
> > v2.5.0 - xx xxx xxxx
> > ---------------------
> > diff --git a/OPENFLOW-1.1+.md b/OPENFLOW-1.1+.md
> > index 0b2f0f9..537f660 100644
> > --- a/OPENFLOW-1.1+.md
> > +++ b/OPENFLOW-1.1+.md
> > @@ -194,8 +194,8 @@ OpenFlow 1.4 features are listed in the previous section.
> >     Many on-wire structures got TLVs.
> >     Already implemented: port desc properties, port mod properties,
> >                          port stats properties, table mod properties,
> > -                         queue stats, unified property errors.
> > -    Remaining required: set-async, queue desc
> > +                         queue stats, unified property errors, queue desc.
> > +    Remaining required: set-async
> >     Remaining optional: table desc, table-status
> >     [EXT-262]
> >     [required for OF1.4+]
> > diff --git a/include/openflow/openflow-1.4.h b/include/openflow/openflow-1.4.h
> > index bbdd54f..bce1598 100644
> > --- a/include/openflow/openflow-1.4.h
> > +++ b/include/openflow/openflow-1.4.h
> > @@ -219,6 +219,31 @@ struct ofp14_queue_stats {
> > OFP_ASSERT(sizeof(struct ofp14_queue_stats) == 48);
> > 
> > 
> > +/* ## ---------------- ## */
> > +/* ## ofp14_queue_desc ## */
> > +/* ## ---------------- ## */
> > +
> > +struct ofp14_queue_desc_request {
> > +    ovs_be32 port;              /* All ports if OFPP_ANY. */
> > +    ovs_be32 queue;             /* All queues if OFPQ_ALL. */
> > +};
> > +OFP_ASSERT(sizeof(struct ofp14_queue_desc_request) == 8);
> > +
> > +/* Body of reply to OFPMP_QUEUE_DESC request. */
> > +struct ofp14_queue_desc {
> > +    ovs_be32 port_no;           /* Port this queue is attached to. */
> > +    ovs_be32 queue_id;          /* ID for the specific queue. */
> > +    ovs_be16 len;               /* Length in bytes of this queue desc. */
> > +    uint8_t pad[6];             /* 64-bit alignment. */
> > +};
> > +OFP_ASSERT(sizeof(struct ofp14_queue_desc) == 16);
> > +
> > +enum ofp14_queue_desc_prop_type {
> > +    OFPQDPT14_MIN_RATE = 1,
> > +    OFPQDPT14_MAX_RATE = 2,
> > +    OFPQDPT14_EXPERIMENTER = 0xffff
> > +};
> > +
> > /* ## -------------- ## */
> > /* ## Miscellaneous. ## */
> > /* ## -------------- ## */
> > diff --git a/lib/ofp-errors.h b/lib/ofp-errors.h
> > index 4f59acf..8e13873 100644
> > --- a/lib/ofp-errors.h
> > +++ b/lib/ofp-errors.h
> > @@ -504,6 +504,9 @@ enum ofperr {
> >     /* OF1.0(5,2), OF1.1+(9,2).  Permissions error. */
> >     OFPERR_OFPQOFC_EPERM,
> > 
> > +    /* NX1.4+(23).  System error retrieving queue details. */
> > +    OFPERR_NXQOFC_QUEUE_ERROR,
> > +
> > /* ## -------------------------- ## */
> > /* ## OFPET_SWITCH_CONFIG_FAILED ## */
> > /* ## -------------------------- ## */
> > diff --git a/lib/ofp-msgs.h b/lib/ofp-msgs.h
> > index 2c4a916..54018b4 100644
> > --- a/lib/ofp-msgs.h
> > +++ b/lib/ofp-msgs.h
> > @@ -208,12 +208,12 @@ enum ofpraw {
> > 
> >     /* OFPT 1.0 (20): struct ofp10_queue_get_config_request. */
> >     OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST,
> > -    /* OFPT 1.1+ (22): struct ofp11_queue_get_config_request. */
> > +    /* OFPT 1.1-1.3 (22): struct ofp11_queue_get_config_request. */
> >     OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST,
> > 
> >     /* OFPT 1.0 (21): struct ofp10_queue_get_config_reply, uint8_t[8][]. */
> >     OFPRAW_OFPT10_QUEUE_GET_CONFIG_REPLY,
> > -    /* OFPT 1.1+ (23): struct ofp11_queue_get_config_reply, uint8_t[8][]. */
> > +    /* OFPT 1.1-1.3 (23): struct ofp11_queue_get_config_reply, uint8_t[8][]. */
> >     OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY,
> > 
> >     /* OFPT 1.2+ (24): struct ofp12_role_request. */
> > @@ -396,6 +396,11 @@ enum ofpraw {
> >     /* OFPST 1.4+ (13): uint8_t[8][]. */
> >     OFPRAW_OFPST14_PORT_DESC_REPLY,
> > 
> > +    /* OFPST 1.4+ (15): struct ofp14_queue_desc_request. */
> > +    OFPRAW_OFPST14_QUEUE_DESC_REQUEST,
> > +    /* OFPST 1.4+ (15): uint8_t[8][]. */
> > +    OFPRAW_OFPST14_QUEUE_DESC_REPLY,
> > +
> >     /* OFPST 1.4+ (16): uint8_t[8][]. */
> >     OFPRAW_OFPST14_FLOW_MONITOR_REQUEST,
> >     /* NXST 1.0 (2): uint8_t[8][]. */
> > @@ -537,9 +542,11 @@ enum ofptype {
> > 
> >     /* Queue Configuration messages. */
> >     OFPTYPE_QUEUE_GET_CONFIG_REQUEST, /* OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST.
> > -                                       * OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST. */
> > +                                       * OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST.
> > +                                       * OFPRAW_OFPST14_QUEUE_DESC_REQUEST. */
> >     OFPTYPE_QUEUE_GET_CONFIG_REPLY, /* OFPRAW_OFPT10_QUEUE_GET_CONFIG_REPLY.
> > -                                     * OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY. */
> > +                                     * OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY.
> > +                                     * OFPRAW_OFPST14_QUEUE_DESC_REPLY. */
> > 
> >     /* Controller role change request messages. */
> >     OFPTYPE_ROLE_REQUEST,         /* OFPRAW_OFPT12_ROLE_REQUEST.
> > diff --git a/lib/ofp-print.c b/lib/ofp-print.c
> > index af56e9b..42e822b 100644
> > --- a/lib/ofp-print.c
> > +++ b/lib/ofp-print.c
> > @@ -1086,8 +1086,9 @@ ofp_print_queue_get_config_request(struct ds *string,
> > {
> >     enum ofperr error;
> >     ofp_port_t port;
> > +    uint32_t queue;
> > 
> > -    error = ofputil_decode_queue_get_config_request(oh, &port);
> > +    error = ofputil_decode_queue_get_config_request(oh, &port, &queue);
> >     if (error) {
> >         ofp_print_error(string, error);
> >         return;
> > @@ -1095,6 +1096,11 @@ ofp_print_queue_get_config_request(struct ds *string,
> > 
> >     ds_put_cstr(string, " port=");
> >     ofputil_format_port(port, string);
> > +
> > +    if (queue != OFPQ_ALL) {
> > +        ds_put_cstr(string, " queue=");
> > +        ofp_print_queue_name(string, queue);
> > +    }
> > }
> > 
> > static void
> > @@ -1111,21 +1117,12 @@ static void
> > ofp_print_queue_get_config_reply(struct ds *string,
> >                                  const struct ofp_header *oh)
> > {
> > -    enum ofperr error;
> >     struct ofpbuf b;
> > -    ofp_port_t port;
> > +    ofp_port_t port = 0;
> > 
> >     ofpbuf_use_const(&b, oh, ntohs(oh->length));
> > -    error = ofputil_decode_queue_get_config_reply(&b, &port);
> > -    if (error) {
> > -        ofp_print_error(string, error);
> > -        return;
> > -    }
> > -
> > -    ds_put_cstr(string, " port=");
> > -    ofputil_format_port(port, string);
> > -    ds_put_char(string, '\n');
> > 
> > +    ds_put_char(string, ' ');
> >     for (;;) {
> >         struct ofputil_queue_config queue;
> >         int retval;
> > @@ -1135,10 +1132,19 @@ ofp_print_queue_get_config_reply(struct ds *string,
> >             if (retval != EOF) {
> >                 ofp_print_error(string, retval);
> >             }
> > +            ds_chomp(string, ' ');
> >             break;
> >         }
> > 
> > -        ds_put_format(string, "queue %"PRIu32":", queue.queue_id);
> > +        if (queue.port != port) {
> > +            port = queue.port;
> > +
> > +            ds_put_cstr(string, "port=");
> > +            ofputil_format_port(port, string);
> > +            ds_put_char(string, '\n');
> > +        }
> > +
> > +        ds_put_format(string, "queue %"PRIu32":", queue.queue);
> >         print_queue_rate(string, "min_rate", queue.min_rate);
> >         print_queue_rate(string, "max_rate", queue.max_rate);
> >         ds_put_char(string, '\n');
> > diff --git a/lib/ofp-util.c b/lib/ofp-util.c
> > index 1225664..6f9aeb7 100644
> > --- a/lib/ofp-util.c
> > +++ b/lib/ofp-util.c
> > @@ -2343,10 +2343,14 @@ ofputil_decode_nxst_flow_request(struct ofputil_flow_stats_request *fsr,
> > }
> > 
> > /* Constructs and returns an OFPT_QUEUE_GET_CONFIG request for the specified
> > - * 'port', suitable for OpenFlow version 'version'. */
> > + * 'port' and 'queue', suitable for OpenFlow version 'version'.
> > + *
> > + * 'queue' is honored only for OpenFlow 1.4 and later; older versions always
> > + * request all queues. */
> > struct ofpbuf *
> > ofputil_encode_queue_get_config_request(enum ofp_version version,
> > -                                        ofp_port_t port)
> > +                                        ofp_port_t port,
> > +                                        uint32_t queue)
> > {
> >     struct ofpbuf *request;
> > 
> > @@ -2357,13 +2361,21 @@ ofputil_encode_queue_get_config_request(enum ofp_version version,
> >                                version, 0);
> >         qgcr10 = ofpbuf_put_zeros(request, sizeof *qgcr10);
> >         qgcr10->port = htons(ofp_to_u16(port));
> > -    } else {
> > +    } else if (version < OFP14_VERSION) {
> >         struct ofp11_queue_get_config_request *qgcr11;
> > 
> >         request = ofpraw_alloc(OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST,
> >                                version, 0);
> >         qgcr11 = ofpbuf_put_zeros(request, sizeof *qgcr11);
> >         qgcr11->port = ofputil_port_to_ofp11(port);
> > +    } else {
> > +        struct ofp14_queue_desc_request *qdr14;
> > +
> > +        request = ofpraw_alloc(OFPRAW_OFPST14_QUEUE_DESC_REQUEST,
> > +                               version, 0);
> > +        qdr14 = ofpbuf_put_zeros(request, sizeof *qdr14);
> > +        qdr14->port = ofputil_port_to_ofp11(port);
> > +        qdr14->queue = htonl(queue);
> >     }
> > 
> >     return request;
> > @@ -2374,10 +2386,11 @@ ofputil_encode_queue_get_config_request(enum ofp_version version,
> >  * code. */
> > enum ofperr
> > ofputil_decode_queue_get_config_request(const struct ofp_header *oh,
> > -                                        ofp_port_t *port)
> > +                                        ofp_port_t *port, uint32_t *queue)
> > {
> >     const struct ofp10_queue_get_config_request *qgcr10;
> >     const struct ofp11_queue_get_config_request *qgcr11;
> > +    const struct ofp14_queue_desc_request *qdr14;
> >     enum ofpraw raw;
> >     struct ofpbuf b;
> > 
> > @@ -2388,16 +2401,23 @@ ofputil_decode_queue_get_config_request(const struct ofp_header *oh,
> >     case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST:
> >         qgcr10 = b.data;
> >         *port = u16_to_ofp(ntohs(qgcr10->port));
> > +        *queue = OFPQ_ALL;
> >         break;
> > 
> >     case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST:
> >         qgcr11 = b.data;
> > +        *queue = OFPQ_ALL;
> >         enum ofperr error = ofputil_port_from_ofp11(qgcr11->port, port);
> >         if (error || *port == OFPP_ANY) {
> >             return error;
> >         }
> >         break;
> > 
> > +    case OFPRAW_OFPST14_QUEUE_DESC_REQUEST:
> > +        qdr14 = b.data;
> > +        *queue = ntohl(qdr14->queue);
> > +        return ofputil_port_from_ofp11(qdr14->port, port);
> > +
> >     default:
> >         OVS_NOT_REACHED();
> >     }
> > @@ -2408,45 +2428,49 @@ ofputil_decode_queue_get_config_request(const struct ofp_header *oh,
> > }
> > 
> > /* Constructs and returns the beginning of a reply to
> > - * OFPT_QUEUE_GET_CONFIG_REQUEST 'oh'.  The caller may append information about
> > - * individual queues with ofputil_append_queue_get_config_reply(). */
> > -struct ofpbuf *
> > -ofputil_encode_queue_get_config_reply(const struct ofp_header *oh)
> > + * OFPT_QUEUE_GET_CONFIG_REQUEST or OFPMP_QUEUE_DESC request 'oh'.  The caller
> > + * may append information about individual queues with
> > + * ofputil_append_queue_get_config_reply(). */
> > +void
> > +ofputil_start_queue_get_config_reply(const struct ofp_header *request,
> > +                                     struct ovs_list *replies)
> > {
> > -    struct ofp10_queue_get_config_reply *qgcr10;
> > -    struct ofp11_queue_get_config_reply *qgcr11;
> >     struct ofpbuf *reply;
> >     enum ofperr error;
> > -    struct ofpbuf b;
> > -    enum ofpraw raw;
> >     ofp_port_t port;
> > +    uint32_t queue;
> > 
> > -    error = ofputil_decode_queue_get_config_request(oh, &port);
> > +    error = ofputil_decode_queue_get_config_request(request, &port, &queue);
> >     ovs_assert(!error);
> > 
> > -    ofpbuf_use_const(&b, oh, ntohs(oh->length));
> > -    raw = ofpraw_pull_assert(&b);
> > -
> > +    enum ofpraw raw = ofpraw_decode_assert(request);
> >     switch ((int) raw) {
> >     case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REQUEST:
> >         reply = ofpraw_alloc_reply(OFPRAW_OFPT10_QUEUE_GET_CONFIG_REPLY,
> > -                                   oh, 0);
> > -        qgcr10 = ofpbuf_put_zeros(reply, sizeof *qgcr10);
> > +                                   request, 0);
> > +        struct ofp10_queue_get_config_reply *qgcr10
> > +            = ofpbuf_put_zeros(reply, sizeof *qgcr10);
> >         qgcr10->port = htons(ofp_to_u16(port));
> >         break;
> > 
> >     case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REQUEST:
> >         reply = ofpraw_alloc_reply(OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY,
> > -                                   oh, 0);
> > -        qgcr11 = ofpbuf_put_zeros(reply, sizeof *qgcr11);
> > +                                   request, 0);
> > +        struct ofp11_queue_get_config_reply *qgcr11
> > +            = ofpbuf_put_zeros(reply, sizeof *qgcr11);
> >         qgcr11->port = ofputil_port_to_ofp11(port);
> >         break;
> > 
> > +    case OFPRAW_OFPST14_QUEUE_DESC_REQUEST:
> > +        reply = ofpraw_alloc_stats_reply(request, 0);
> > +        break;
> > +
> >     default:
> >         OVS_NOT_REACHED();
> >     }
> > 
> > -    return reply;
> > +    list_init(replies);
> > +    list_push_back(replies, &reply->list_node);
> > }
> > 
> > static void
> > @@ -2463,64 +2487,58 @@ put_ofp11_queue_rate(struct ofpbuf *reply,
> >     }
> > }
> > 
> > -/* Appends a queue description for 'queue_id' to the
> > - * OFPT_QUEUE_GET_CONFIG_REPLY already in 'oh'. */
> > +static void
> > +put_ofp14_queue_rate(struct ofpbuf *reply,
> > +                     enum ofp14_queue_desc_prop_type type, uint16_t rate)
> > +{
> > +    if (rate != UINT16_MAX) {
> > +        ofpprop_put_u16(reply, type, rate);
> > +    }
> > +}
> > +
> > void
> > -ofputil_append_queue_get_config_reply(struct ofpbuf *reply,
> > -                                      const struct ofputil_queue_config *oqc)
> > +ofputil_append_queue_get_config_reply(const struct ofputil_queue_config *qc,
> > +                                      struct ovs_list *replies)
> > {
> > -    const struct ofp_header *oh = reply->data;
> > -    size_t start_ofs, len_ofs;
> > +    enum ofp_version ofp_version = ofpmp_version(replies);
> > +    struct ofpbuf *reply = ofpbuf_from_list(list_back(replies));
> > +    size_t start_ofs = reply->size;
> > +    size_t len_ofs;
> >     ovs_be16 *len;
> > 
> > -    start_ofs = reply->size;
> > -    if (oh->version < OFP12_VERSION) {
> > -        struct ofp10_packet_queue *opq10;
> > +    if (ofp_version < OFP14_VERSION) {
> > +        if (ofp_version < OFP12_VERSION) {
> > +            struct ofp10_packet_queue *opq10;
> > 
> > -        opq10 = ofpbuf_put_zeros(reply, sizeof *opq10);
> > -        opq10->queue_id = htonl(oqc->queue_id);
> > -        len_ofs = (char *) &opq10->len - (char *) reply->data;
> > -    } else {
> > -        struct ofp12_packet_queue *opq12;
> > +            opq10 = ofpbuf_put_zeros(reply, sizeof *opq10);
> > +            opq10->queue_id = htonl(qc->queue);
> > +            len_ofs = (char *) &opq10->len - (char *) reply->data;
> > +        } else {
> > +            struct ofp12_packet_queue *opq12;
> > 
> > -        opq12 = ofpbuf_put_zeros(reply, sizeof *opq12);
> > -        opq12->port = ofputil_port_to_ofp11(oqc->port);
> > -        opq12->queue_id = htonl(oqc->queue_id);
> > -        len_ofs = (char *) &opq12->len - (char *) reply->data;
> > -    }
> > +            opq12 = ofpbuf_put_zeros(reply, sizeof *opq12);
> > +            opq12->port = ofputil_port_to_ofp11(qc->port);
> > +            opq12->queue_id = htonl(qc->queue);
> > +            len_ofs = (char *) &opq12->len - (char *) reply->data;
> > +        }
> > 
> > -    put_ofp11_queue_rate(reply, OFPQT10_MIN_RATE, oqc->min_rate);
> > -    put_ofp11_queue_rate(reply, OFPQT11_MAX_RATE, oqc->max_rate);
> > +        put_ofp11_queue_rate(reply, OFPQT10_MIN_RATE, qc->min_rate);
> > +        put_ofp11_queue_rate(reply, OFPQT11_MAX_RATE, qc->max_rate);
> > +    } else {
> > +        struct ofp14_queue_desc *oqd = ofpbuf_put_zeros(reply, sizeof *oqd);
> > +        oqd->port_no = ofputil_port_to_ofp11(qc->port);
> > +        oqd->queue_id = htonl(qc->queue);
> > +        len_ofs = (char *) &oqd->len - (char *) reply->data;
> > +        put_ofp14_queue_rate(reply, OFPQDPT14_MIN_RATE, qc->min_rate);
> > +        put_ofp14_queue_rate(reply, OFPQDPT14_MAX_RATE, qc->max_rate);
> > +    }
> > 
> >     len = ofpbuf_at(reply, len_ofs, sizeof *len);
> >     *len = htons(reply->size - start_ofs);
> > -}
> > -
> > -/* Decodes the initial part of an OFPT_QUEUE_GET_CONFIG_REPLY from 'reply' and
> > - * stores in '*port' the port that the reply is about.  The caller may call
> > - * ofputil_pull_queue_get_config_reply() to obtain information about individual
> > - * queues included in the reply.  Returns 0 if successful, otherwise an
> > - * ofperr.*/
> > -enum ofperr
> > -ofputil_decode_queue_get_config_reply(struct ofpbuf *reply, ofp_port_t *port)
> > -{
> > -    const struct ofp10_queue_get_config_reply *qgcr10;
> > -    const struct ofp11_queue_get_config_reply *qgcr11;
> > -    enum ofpraw raw;
> > -
> > -    raw = ofpraw_pull_assert(reply);
> > -    switch ((int) raw) {
> > -    case OFPRAW_OFPT10_QUEUE_GET_CONFIG_REPLY:
> > -        qgcr10 = ofpbuf_pull(reply, sizeof *qgcr10);
> > -        *port = u16_to_ofp(ntohs(qgcr10->port));
> > -        return 0;
> > 
> > -    case OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY:
> > -        qgcr11 = ofpbuf_pull(reply, sizeof *qgcr11);
> > -        return ofputil_port_from_ofp11(qgcr11->port, port);
> > +    if (ofp_version >= OFP14_VERSION) {
> > +        ofpmp_postappend(replies, start_ofs);
> >     }
> > -
> > -    OVS_NOT_REACHED();
> > }
> > 
> > static enum ofperr
> > @@ -2538,65 +2556,65 @@ parse_ofp11_queue_rate(const struct ofp10_queue_prop_header *hdr,
> >     }
> > }
> > 
> > -/* Decodes information about a queue from the OFPT_QUEUE_GET_CONFIG_REPLY in
> > - * 'reply' and stores it in '*queue'.  ofputil_decode_queue_get_config_reply()
> > - * must already have pulled off the main header.
> > - *
> > - * This function returns EOF if the last queue has already been decoded, 0 if a
> > - * queue was successfully decoded into '*queue', or an ofperr if there was a
> > - * problem decoding 'reply'. */
> > -int
> > -ofputil_pull_queue_get_config_reply(struct ofpbuf *reply,
> > -                                    struct ofputil_queue_config *queue)
> > +static int
> > +ofputil_pull_queue_get_config_reply10(struct ofpbuf *msg,
> > +                                      struct ofputil_queue_config *queue)
> > {
> > -    const struct ofp_header *oh;
> > -    unsigned int opq_len;
> > -    unsigned int len;
> > +    const struct ofp_header *oh = msg->header;
> > +    unsigned int opq_len;       /* Length of protocol-specific queue header. */
> > +    unsigned int len;           /* Total length of queue + properties. */
> > 
> > -    if (!reply->size) {
> > -        return EOF;
> > +    /* Obtain the port number from the message header. */
> > +    if (oh->version == OFP10_VERSION) {
> > +        const struct ofp10_queue_get_config_reply *oqgcr10 = msg->msg;
> > +        queue->port = u16_to_ofp(ntohs(oqgcr10->port));
> > +    } else {
> > +        const struct ofp11_queue_get_config_reply *oqgcr11 = msg->msg;
> > +        enum ofperr error = ofputil_port_from_ofp11(oqgcr11->port,
> > +                                                    &queue->port);
> > +        if (error) {
> > +            return error;
> > +        }
> >     }
> > 
> > -    queue->min_rate = UINT16_MAX;
> > -    queue->max_rate = UINT16_MAX;
> > -
> > -    oh = reply->header;
> > +    /* Pull off the queue header and get the queue number and length. */
> >     if (oh->version < OFP12_VERSION) {
> >         const struct ofp10_packet_queue *opq10;
> > -
> > -        opq10 = ofpbuf_try_pull(reply, sizeof *opq10);
> > +        opq10 = ofpbuf_try_pull(msg, sizeof *opq10);
> >         if (!opq10) {
> >             return OFPERR_OFPBRC_BAD_LEN;
> >         }
> > -        queue->queue_id = ntohl(opq10->queue_id);
> > +        queue->queue = ntohl(opq10->queue_id);
> >         len = ntohs(opq10->len);
> >         opq_len = sizeof *opq10;
> >     } else {
> >         const struct ofp12_packet_queue *opq12;
> > -
> > -        opq12 = ofpbuf_try_pull(reply, sizeof *opq12);
> > +        opq12 = ofpbuf_try_pull(msg, sizeof *opq12);
> >         if (!opq12) {
> >             return OFPERR_OFPBRC_BAD_LEN;
> >         }
> > -        queue->queue_id = ntohl(opq12->queue_id);
> > +        queue->queue = ntohl(opq12->queue_id);
> >         len = ntohs(opq12->len);
> >         opq_len = sizeof *opq12;
> >     }
> > 
> > -    if (len < opq_len || len > reply->size + opq_len || len % 8) {
> > +    /* Length check. */
> > +    if (len < opq_len || len > msg->size + opq_len || len % 8) {
> >         return OFPERR_OFPBRC_BAD_LEN;
> >     }
> >     len -= opq_len;
> > 
> > +    /* Pull properties.  The format of these properties differs from used in
> > +     * OF1.4+ so we can't use the common property functions. */
> >     while (len > 0) {
> >         const struct ofp10_queue_prop_header *hdr;
> >         unsigned int property;
> >         unsigned int prop_len;
> >         enum ofperr error = 0;
> > 
> > -        hdr = ofpbuf_at_assert(reply, 0, sizeof *hdr);
> > +        hdr = ofpbuf_at_assert(msg, 0, sizeof *hdr);
> >         prop_len = ntohs(hdr->len);
> > -        if (prop_len < sizeof *hdr || prop_len > reply->size || prop_len % 8) {
> > +        if (prop_len < sizeof *hdr || prop_len > msg->size || prop_len % 8) {
> >             return OFPERR_OFPBRC_BAD_LEN;
> >         }
> > 
> > @@ -2618,12 +2636,107 @@ ofputil_pull_queue_get_config_reply(struct ofpbuf *reply,
> >             return error;
> >         }
> > 
> > -        ofpbuf_pull(reply, prop_len);
> > +        ofpbuf_pull(msg, prop_len);
> >         len -= prop_len;
> >     }
> >     return 0;
> > }
> > 
> > +static int
> > +ofputil_pull_queue_get_config_reply14(struct ofpbuf *msg,
> > +                                      struct ofputil_queue_config *queue)
> > +{
> > +    struct ofp14_queue_desc *oqd14 = ofpbuf_try_pull(msg, sizeof *oqd14);
> > +    if (!oqd14) {
> > +        return OFPERR_OFPBRC_BAD_LEN;
> > +    }
> > +    enum ofperr error = ofputil_port_from_ofp11(oqd14->port_no, &queue->port);
> > +    if (error) {
> > +        return error;
> > +    }
> > +    queue->queue = ntohl(oqd14->queue_id);
> > +
> > +    /* Length check. */
> > +    unsigned int len = ntohs(oqd14->len);
> > +    if (len < sizeof *oqd14 || len > msg->size + sizeof *oqd14 || len % 8) {
> > +        return OFPERR_OFPBRC_BAD_LEN;
> > +    }
> > +    len -= sizeof *oqd14;
> > +
> > +    struct ofpbuf properties;
> > +    ofpbuf_use_const(&properties, ofpbuf_pull(msg, len), len);
> > +    while (properties.size > 0) {
> > +        struct ofpbuf payload;
> > +        uint64_t type;
> > +
> > +        error = ofpprop_pull(&properties, &payload, &type);
> > +        if (error) {
> > +            return error;
> > +        }
> > +
> > +        switch (type) {
> > +        case OFPQDPT14_MIN_RATE:
> > +            error = ofpprop_parse_u16(&payload, &queue->min_rate);
> > +            break;
> > +
> > +        case OFPQDPT14_MAX_RATE:
> > +            error = ofpprop_parse_u16(&payload, &queue->max_rate);
> > +            break;
> > +
> > +        default:
> > +            error = OFPPROP_UNKNOWN(true, "queue desc", type);
> > +            break;
> > +        }
> > +
> > +        if (error) {
> > +            return error;
> > +        }
> > +    }
> > +
> > +    return 0;
> > +}
> > +
> > +/* Decodes information about a queue from the OFPT_QUEUE_GET_CONFIG_REPLY in
> > + * 'reply' and stores it in '*queue'.  ofputil_decode_queue_get_config_reply()
> > + * must already have pulled off the main header.
> > + *
> > + * This function returns EOF if the last queue has already been decoded, 0 if a
> > + * queue was successfully decoded into '*queue', or an ofperr if there was a
> > + * problem decoding 'reply'. */
> > +int
> > +ofputil_pull_queue_get_config_reply(struct ofpbuf *msg,
> > +                                    struct ofputil_queue_config *queue)
> > +{
> > +    enum ofpraw raw;
> > +    if (!msg->header) {
> > +        /* Pull OpenFlow header. */
> > +        raw = ofpraw_pull_assert(msg);
> > +
> > +        /* Pull protocol-specific ofp_queue_get_config_reply header (OF1.4
> > +         * doesn't have one at all). */
> > +        if (raw == OFPRAW_OFPT10_QUEUE_GET_CONFIG_REPLY) {
> > +            ofpbuf_pull(msg, sizeof(struct ofp10_queue_get_config_reply));
> > +        } else if (raw == OFPRAW_OFPT11_QUEUE_GET_CONFIG_REPLY) {
> > +            ofpbuf_pull(msg, sizeof(struct ofp11_queue_get_config_reply));
> > +        } else {
> > +            ovs_assert(raw == OFPRAW_OFPST14_QUEUE_DESC_REPLY);
> > +        }
> > +    } else {
> > +        raw = ofpraw_decode_assert(msg->header);
> > +    }
> > +
> > +    queue->min_rate = UINT16_MAX;
> > +    queue->max_rate = UINT16_MAX;
> > +
> > +    if (!msg->size) {
> > +        return EOF;
> > +    } else if (raw == OFPRAW_OFPST14_QUEUE_DESC_REPLY) {
> > +        return ofputil_pull_queue_get_config_reply14(msg, queue);
> > +    } else {
> > +        return ofputil_pull_queue_get_config_reply10(msg, queue);
> > +    }
> > +}
> > +
> > /* Converts an OFPST_FLOW, OFPST_AGGREGATE, NXST_FLOW, or NXST_AGGREGATE
> >  * request 'oh', into an abstract flow_stats_request in 'fsr'.  Returns 0 if
> >  * successful, otherwise an OpenFlow error code. */
> > diff --git a/lib/ofp-util.h b/lib/ofp-util.h
> > index f411651..89f3d95 100644
> > --- a/lib/ofp-util.h
> > +++ b/lib/ofp-util.h
> > @@ -986,14 +986,16 @@ int ofputil_decode_table_stats_reply(struct ofpbuf *reply,
> > 
> > /* Queue configuration request. */
> > struct ofpbuf *ofputil_encode_queue_get_config_request(enum ofp_version,
> > -                                                       ofp_port_t port);
> > +                                                       ofp_port_t port,
> > +                                                       uint32_t queue);
> > enum ofperr ofputil_decode_queue_get_config_request(const struct ofp_header *,
> > -                                                    ofp_port_t *port);
> > +                                                    ofp_port_t *port,
> > +                                                    uint32_t *queue);
> > 
> > /* Queue configuration reply. */
> > struct ofputil_queue_config {
> >     ofp_port_t port;
> > -    uint32_t queue_id;
> > +    uint32_t queue;
> > 
> >     /* Each of these optional values is expressed in tenths of a percent.
> >      * Values greater than 1000 indicate that the feature is disabled.
> > @@ -1002,13 +1004,11 @@ struct ofputil_queue_config {
> >     uint16_t max_rate;
> > };
> > 
> > -struct ofpbuf *ofputil_encode_queue_get_config_reply(
> > -    const struct ofp_header *request);
> > +void ofputil_start_queue_get_config_reply(const struct ofp_header *request,
> > +                                          struct ovs_list *replies);
> > void ofputil_append_queue_get_config_reply(
> > -    struct ofpbuf *reply, const struct ofputil_queue_config *);
> > +    const struct ofputil_queue_config *, struct ovs_list *replies);
> > 
> > -enum ofperr ofputil_decode_queue_get_config_reply(struct ofpbuf *reply,
> > -                                                  ofp_port_t *);
> > int ofputil_pull_queue_get_config_reply(struct ofpbuf *reply,
> >                                         struct ofputil_queue_config *);
> > 
> > diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c
> > index 386009e..8dcfafe 100644
> > --- a/ofproto/ofproto.c
> > +++ b/ofproto/ofproto.c
> > @@ -6227,57 +6227,89 @@ handle_group_features_stats_request(struct ofconn *ofconn,
> > }
> > 
> > static void
> > -put_queue_config(struct ofport *ofport, struct ofpbuf *reply)
> > +put_queue_get_config_reply(struct ofport *port, uint32_t queue,
> > +                           struct ovs_list *replies)
> > {
> > -   struct netdev_queue_dump queue_dump;
> > -   unsigned int queue_id;
> > -   struct smap details;
> > +    struct ofputil_queue_config qc;
> > 
> > -   smap_init(&details);
> > -   NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &queue_dump, ofport->netdev) {
> > -       struct ofputil_queue_config queue;
> > +    /* None of the existing queues have compatible properties, so we hard-code
> > +     * omitting min_rate and max_rate. */
> > +    qc.port = port->ofp_port;
> > +    qc.queue = queue;
> > +    qc.min_rate = UINT16_MAX;
> > +    qc.max_rate = UINT16_MAX;
> > +    ofputil_append_queue_get_config_reply(&qc, replies);
> > +}
> > 
> > -       /* None of the existing queues have compatible properties, so we
> > -        * hard-code omitting min_rate and max_rate. */
> > -       queue.port = ofport->ofp_port;
> > -       queue.queue_id = queue_id;
> > -       queue.min_rate = UINT16_MAX;
> > -       queue.max_rate = UINT16_MAX;
> > -       ofputil_append_queue_get_config_reply(reply, &queue);
> > -   }
> > -   smap_destroy(&details);
> > +static int
> > +handle_queue_get_config_request_for_port(struct ofport *port, uint32_t queue,
> > +                                         struct ovs_list *replies)
> > +{
> > +    struct smap details = SMAP_INITIALIZER(&details);
> > +    if (queue != OFPQ_ALL) {
> > +        int error = netdev_get_queue(port->netdev, queue, &details);
> > +        switch (error) {
> > +        case 0:
> > +            put_queue_get_config_reply(port, queue, replies);
> > +            break;
> > +        case EOPNOTSUPP:
> > +        case EINVAL:
> > +            return OFPERR_OFPQOFC_BAD_QUEUE;
> > +        default:
> > +            return OFPERR_NXQOFC_QUEUE_ERROR;
> > +        }
> > +    } else {
> > +        struct netdev_queue_dump queue_dump;
> > +        uint32_t queue_id;
> > +
> > +        NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &queue_dump,
> > +                               port->netdev) {
> > +            put_queue_get_config_reply(port, queue_id, replies);
> > +        }
> > +    }
> > +    smap_destroy(&details);
> > +    return 0;
> > }
> > 
> > static enum ofperr
> > handle_queue_get_config_request(struct ofconn *ofconn,
> >                                 const struct ofp_header *oh)
> > {
> > -   struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> > -   ofp_port_t port;
> > -   enum ofperr error;
> > -
> > -   error = ofputil_decode_queue_get_config_request(oh, &port);
> > -   if (error) {
> > -       return error;
> > -   }
> > -
> > -   struct ofpbuf *reply = ofputil_encode_queue_get_config_reply(oh);
> > -   struct ofport *ofport;
> > -   if (port == OFPP_ANY) {
> > -       HMAP_FOR_EACH (ofport, hmap_node, &ofproto->ports) {
> > -           put_queue_config(ofport, reply);
> > -       }
> > -   } else {
> > -       ofport = ofproto_get_port(ofproto, port);
> > -       if (!ofport) {
> > -           ofpbuf_delete(reply);
> > -           return OFPERR_OFPQOFC_BAD_PORT;
> > -       }
> > -       put_queue_config(ofport, reply);
> > -   }
> > -   ofconn_send_reply(ofconn, reply);
> > -
> > -   return 0;
> > +    struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
> > +    struct ovs_list replies;
> > +    struct ofport *port;
> > +    ofp_port_t req_port;
> > +    uint32_t req_queue;
> > +    enum ofperr error;
> > +
> > +    error = ofputil_decode_queue_get_config_request(oh, &req_port, &req_queue);
> > +    if (error) {
> > +        return error;
> > +    }
> > +
> > +    ofputil_start_queue_get_config_reply(oh, &replies);
> > +    if (req_port == OFPP_ANY) {
> > +        error = OFPERR_OFPQOFC_BAD_QUEUE;
> > +        HMAP_FOR_EACH (port, hmap_node, &ofproto->ports) {
> > +            if (!handle_queue_get_config_request_for_port(port, req_queue,
> > +                                                          &replies)) {
> > +                error = 0;
> > +            }
> > +        }
> > +    } else {
> > +        port = ofproto_get_port(ofproto, req_port);
> > +        error = (port
> > +                 ? handle_queue_get_config_request_for_port(port, req_queue,
> > +                                                            &replies)
> > +                 : OFPERR_OFPQOFC_BAD_PORT);
> > +    }
> > +    if (!error) {
> > +        ofconn_send_replies(ofconn, &replies);
> > +    } else {
> > +        ofpbuf_list_delete(&replies);
> > +    }
> > +
> > +    return error;
> > }
> > 
> > static enum ofperr
> > diff --git a/tests/ofp-print.at b/tests/ofp-print.at
> > index 24e602e..6f20fac 100644
> > --- a/tests/ofp-print.at
> > +++ b/tests/ofp-print.at
> > @@ -2546,6 +2546,15 @@ OFPT_QUEUE_GET_CONFIG_REQUEST (OF1.2) (xid=0x1): port=1
> > ])
> > AT_CLEANUP
> > 
> > +AT_SETUP([OFPST_QUEUE_DESC request - OF1.4])
> > +AT_KEYWORDS([ofp-print OFPT_QUEUE_GET_CONFIG_REQUEST])
> > +AT_CHECK([ovs-ofctl ofp-print "\
> > +05 12 00 18 00 00 00 01 00 0f 00 00 00 00 00 00 \
> > +00 00 00 01 00 00 00 02"], [0],
> > +  [OFPST_QUEUE_DESC request (OF1.4) (xid=0x1): port=1 queue=2
> > +])
> > +AT_CLEANUP
> > +
> > AT_SETUP([OFPT_QUEUE_GET_CONFIG_REPLY - OF1.0])
> > AT_KEYWORDS([ofp-print])
> > AT_CHECK([ovs-ofctl ofp-print "01 15 00 40 00 00 00 01 \
> > @@ -2591,6 +2600,41 @@ queue 17476:
> > ])
> > AT_CLEANUP
> > 
> > +AT_SETUP([OFPT_QUEUE_GET_CONFIG_REPLY - OF1.3])
> > +AT_KEYWORDS([ofp-print])
> > +AT_CHECK([ovs-ofctl ofp-print "04 17 00 50 00 00 00 01 \
> > +00 00 00 01 00 00 00 00 \
> > +00 00 55 55 00 00 00 01 00 30 00 00 00 00 00 00 \
> > +00 01 00 10 00 00 00 00 01 f4 00 00 00 00 00 00 \
> > +00 02 00 10 00 00 00 00 02 ee 00 00 00 00 00 00 \
> > +00 00 44 44 00 08 00 01 00 10 00 00 00 00 00 00 \
> > +"], [0], [dnl
> > +OFPT_QUEUE_GET_CONFIG_REPLY (OF1.3) (xid=0x1): port=1
> > +queue 21845: min_rate:50.0% max_rate:75.0%
> > +queue 17476:
> > +])
> > +AT_CLEANUP
> > +
> > +# OF1.4 renamed OFPT_QUEUE_GET_CONFIG_REPLY to OFPST_QUEUE_DESC.
> > +AT_SETUP([OFPST_QUEUE_DESC reply - OF1.4])
> > +AT_KEYWORDS([ofp-print OFPT_QUEUE_GET_CONFIG_REPLY])
> > +AT_CHECK([ovs-ofctl ofp-print "\
> > +05 13 00 48 00 00 00 01 00 0f 00 00 00 00 00 00 \
> > +
> > +00 00 00 01 00 00 55 55 00 20 00 00 00 00 00 00 \
> > +00 01 00 08 01 f4 00 00 \
> > +00 02 00 08 02 ee 00 00 \
> > +
> > +00 00 00 02 00 00 44 44 00 18 00 00 00 00 00 00 \
> > +00 02 00 08 00 64 00 00 \
> > +"], [0], [dnl
> > +OFPST_QUEUE_DESC reply (OF1.4) (xid=0x1): port=1
> > +queue 21845: min_rate:50.0% max_rate:75.0%
> > +port=2
> > +queue 17476: max_rate:10.0%
> > +])
> > +AT_CLEANUP
> > +
> > AT_SETUP([OFPT_SET_ASYNC - OF1.3])
> > AT_KEYWORDS([ofp-print])
> > AT_CHECK([ovs-ofctl ofp-print "\
> > diff --git a/tests/ofproto.at b/tests/ofproto.at
> > index a4064d4..ab4d254 100644
> > --- a/tests/ofproto.at
> > +++ b/tests/ofproto.at
> > @@ -253,14 +253,14 @@ AT_CLEANUP
> > AT_SETUP([ofproto - queue configuration - (OpenFlow 1.1)])
> > OVS_VSWITCHD_START
> > ADD_OF_PORTS([br0], [1], [2])
> > -AT_CHECK([ovs-ofctl -O OpenFlow12 queue-get-config br0 1], [0], [stdout])
> > +AT_CHECK([ovs-ofctl -O OpenFlow11 queue-get-config br0 1], [0], [stdout])
> > AT_CHECK([STRIP_XIDS stdout], [0], [dnl
> > -OFPT_QUEUE_GET_CONFIG_REPLY (OF1.2): port=1
> > +OFPT_QUEUE_GET_CONFIG_REPLY (OF1.1): port=1
> > queue 0:
> > ])
> > -AT_CHECK([ovs-ofctl -O OpenFlow12 queue-get-config br0 10], [0],
> > -  [OFPT_ERROR (OF1.2) (xid=0x2): OFPQOFC_BAD_PORT
> > -OFPT_QUEUE_GET_CONFIG_REQUEST (OF1.2) (xid=0x2): port=10
> > +AT_CHECK([ovs-ofctl -O OpenFlow11 queue-get-config br0 10 | STRIP_XIDS], [0],
> > +  [OFPT_ERROR (OF1.1): OFPQOFC_BAD_PORT
> > +OFPT_QUEUE_GET_CONFIG_REQUEST (OF1.1): port=10
> > ])
> > OVS_VSWITCHD_STOP
> > AT_CLEANUP
> > @@ -280,9 +280,39 @@ queue 0:
> > queue 0:
> > queue 0:
> > ])
> > -AT_CHECK([ovs-ofctl -O OpenFlow12 queue-get-config br0 10], [0],
> > -  [OFPT_ERROR (OF1.2) (xid=0x2): OFPQOFC_BAD_PORT
> > -OFPT_QUEUE_GET_CONFIG_REQUEST (OF1.2) (xid=0x2): port=10
> > +AT_CHECK([ovs-ofctl -O OpenFlow12 queue-get-config br0 10 | STRIP_XIDS], [0],
> > +  [OFPT_ERROR (OF1.2): OFPQOFC_BAD_PORT
> > +OFPT_QUEUE_GET_CONFIG_REQUEST (OF1.2): port=10
> > +])
> > +OVS_VSWITCHD_STOP
> > +AT_CLEANUP
> > +
> > +AT_SETUP([ofproto - queue configuration - (OpenFlow 1.4)])
> > +OVS_VSWITCHD_START
> > +ADD_OF_PORTS([br0], [1], [2])
> > +
> > +AT_CHECK([ovs-ofctl -O OpenFlow14 queue-get-config br0 any | STRIP_XIDS], [0],
> > +  [OFPST_QUEUE_DESC reply (OF1.4): port=1
> > +queue 0:
> > +port=LOCAL
> > +queue 0:
> > +port=2
> > +queue 0:
> > +])
> > +
> > +AT_CHECK([ovs-ofctl -O OpenFlow14 queue-get-config br0 1 | STRIP_XIDS], [0],
> > +  [OFPST_QUEUE_DESC reply (OF1.4): port=1
> > +queue 0:
> > +])
> > +
> > +AT_CHECK([ovs-ofctl -O OpenFlow14 queue-get-config br0 10 | STRIP_XIDS], [0],
> > +  [OFPT_ERROR (OF1.4): OFPQOFC_BAD_PORT
> > +OFPST_QUEUE_DESC request (OF1.4): port=10
> > +])
> > +
> > +AT_CHECK([ovs-ofctl -O OpenFlow14 queue-get-config br0 1 2 | STRIP_XIDS], [0],
> > +  [OFPT_ERROR (OF1.4): OFPQOFC_BAD_QUEUE
> > +OFPST_QUEUE_DESC request (OF1.4): port=1 queue=2
> > ])
> > OVS_VSWITCHD_STOP
> > AT_CLEANUP
> > diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
> > index 454f6d5..d2fbf49 100644
> > --- a/utilities/ovs-ofctl.8.in
> > +++ b/utilities/ovs-ofctl.8.in
> > @@ -244,12 +244,12 @@ statistics are printed for all queues on \fIport\fR; if only
> > \fIport\fR is omitted, then statistics are printed for \fIqueue\fR on
> > every port where it exists.
> > .
> > -.IP "\fBqueue\-get\-config \fIswitch \fR[\fIport\fR]"
> > -Prints to the console information about all of the queues configured
> > -on \fIport\fR within \fIswitch\fR.  If \fIport\fR is \fBANY\fR or if
> > -it is omitted, prints information about queues on every port.  The
> > -OpenFlow specification says that only physical ports have queues; in
> > -particular, \fBLOCAL\fR is not valid for \fIport\fR.
> > +.IP "\fBqueue\-get\-config \fIswitch [\fIport \fR[\fIqueue\fR]]"
> > +Prints to the console the configuration of \fIqueue\fR on \fIport\fR
> > +in \fIswitch\fR.  If \fIport\fR is omitted or \fBANY\fR, reports
> > +queues for all port.  If \fIqueue\fR is omitted or \fBANY\fR, reports
> > +all queues.  For OpenFlow 1.3 and earlier, the output always includes
> > +all queues, ignoring \fIqueue\fR if specified.
> > .IP
> > This command has limited usefulness, because ports often have no
> > configured queues and because the OpenFlow protocol provides only very
> > diff --git a/utilities/ovs-ofctl.c b/utilities/ovs-ofctl.c
> > index 4dbd4ed..1ad48c3 100644
> > --- a/utilities/ovs-ofctl.c
> > +++ b/utilities/ovs-ofctl.c
> > @@ -1232,12 +1232,14 @@ static void
> > ofctl_queue_get_config(struct ovs_cmdl_context *ctx)
> > {
> >     const char *vconn_name = ctx->argv[1];
> > -    const char *port_name = ctx->argc >= 3 ? ctx->argv[2] : NULL;
> > -    ofp_port_t port = (port_name
> > -                       ? str_to_port_no(vconn_name, port_name)
> > -                       : OFPP_ANY);
> > -
> > +    const char *port_name = ctx->argc > 2 ? ctx->argv[2] : "any";
> > +    ofp_port_t port = str_to_port_no(vconn_name, port_name);
> > +    const char *queue_name = ctx->argc > 3 ? ctx->argv[3] : "all";
> > +    uint32_t queue = (!strcasecmp(queue_name, "all")
> > +                      ? OFPQ_ALL
> > +                      : atoi(queue_name));
> >     struct vconn *vconn;
> > +
> >     enum ofputil_protocol protocol = open_vconn(vconn_name, &vconn);
> >     enum ofp_version version = ofputil_protocol_to_ofp_version(protocol);
> >     if (port == OFPP_ANY && version == OFP10_VERSION) {
> > @@ -1257,14 +1259,14 @@ ofctl_queue_get_config(struct ovs_cmdl_context *ctx)
> >             if (ofp_to_u16(pp.port_no) < ofp_to_u16(OFPP_MAX)) {
> >                 dump_transaction(vconn2,
> >                                  ofputil_encode_queue_get_config_request(
> > -                                     version2, pp.port_no));
> > +                                     version2, pp.port_no, queue));
> >             }
> >         }
> >         port_iterator_destroy(&pi);
> >         vconn_close(vconn2);
> >     } else {
> >         dump_transaction(vconn, ofputil_encode_queue_get_config_request(
> > -                             version, port));
> > +                             version, port, queue));
> >     }
> >     vconn_close(vconn);
> > }
> > @@ -3883,8 +3885,8 @@ static const struct ovs_cmdl_command all_commands[] = {
> >       1, 2, ofctl_dump_aggregate },
> >     { "queue-stats", "switch [port [queue]]",
> >       1, 3, ofctl_queue_stats },
> > -    { "queue-get-config", "switch [port]",
> > -      1, 2, ofctl_queue_get_config },
> > +    { "queue-get-config", "switch [port [queue]]",
> > +      1, 3, ofctl_queue_get_config },
> >     { "add-flow", "switch flow",
> >       2, 2, ofctl_add_flow },
> >     { "add-flows", "switch file",
> > -- 
> > 2.1.3
> > 
> > 
> > _______________________________________________
> > dev mailing list
> > dev at openvswitch.org
> > http://openvswitch.org/mailman/listinfo/dev
> 
> 
> 
> 




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