*/
#include <config.h>
-#include "ofp-msgs.h"
#include "byte-order.h"
-#include "dynamic-string.h"
#include "hash.h"
-#include "hmap.h"
-#include "ofpbuf.h"
+#include "openvswitch/hmap.h"
#include "openflow/nicira-ext.h"
#include "openflow/openflow.h"
-#include "ovs-thread.h"
+#include "openvswitch/dynamic-string.h"
+#include "openvswitch/ofp-msgs.h"
+#include "openvswitch/ofpbuf.h"
#include "openvswitch/vlog.h"
+#include "ovs-thread.h"
+#include "util.h"
VLOG_DEFINE_THIS_MODULE(ofp_msgs);
#define OFPT11_STATS_REPLY 19
#define OFPST_VENDOR 0xffff
+/* Vendor extension message. */
+struct ofp_vendor_header {
+ struct ofp_header header; /* OFPT_VENDOR. */
+ ovs_be32 vendor; /* Vendor ID:
+ * - MSB 0: low-order bytes are IEEE OUI.
+ * - MSB != 0: defined by OpenFlow
+ * consortium. */
+
+ /* In theory everything after 'vendor' is vendor specific. In practice,
+ * the vendors we support put a 32-bit subtype here. We'll change this
+ * structure if we start adding support for other vendor formats. */
+ ovs_be32 subtype; /* Vendor-specific subtype. */
+
+ /* Followed by vendor-defined additional data. */
+};
+OFP_ASSERT(sizeof(struct ofp_vendor_header) == 16);
+
+/* Statistics request or reply message. */
+struct ofp10_stats_msg {
+ struct ofp_header header;
+ ovs_be16 type; /* One of the OFPST_* constants. */
+ ovs_be16 flags; /* Requests: always 0.
+ * Replies: 0 or OFPSF_REPLY_MORE. */
+};
+OFP_ASSERT(sizeof(struct ofp10_stats_msg) == 12);
+
+/* Vendor extension stats message. */
+struct ofp10_vendor_stats_msg {
+ struct ofp10_stats_msg osm; /* Type OFPST_VENDOR. */
+ ovs_be32 vendor; /* Vendor ID:
+ * - MSB 0: low-order bytes are IEEE OUI.
+ * - MSB != 0: defined by OpenFlow
+ * consortium. */
+ /* Followed by vendor-defined arbitrary additional data. */
+};
+OFP_ASSERT(sizeof(struct ofp10_vendor_stats_msg) == 16);
+
+struct ofp11_stats_msg {
+ struct ofp_header header;
+ ovs_be16 type; /* One of the OFPST_* constants. */
+ ovs_be16 flags; /* OFPSF_REQ_* flags (none yet defined). */
+ uint8_t pad[4];
+ /* Followed by the body of the request. */
+};
+OFP_ASSERT(sizeof(struct ofp11_stats_msg) == 16);
+
+/* Vendor extension stats message. */
+struct ofp11_vendor_stats_msg {
+ struct ofp11_stats_msg osm; /* Type OFPST_VENDOR. */
+ ovs_be32 vendor; /* Vendor ID:
+ * - MSB 0: low-order bytes are IEEE OUI.
+ * - MSB != 0: defined by OpenFlow
+ * consortium. */
+
+ /* In theory everything after 'vendor' is vendor specific. In practice,
+ * the vendors we support put a 32-bit subtype here. We'll change this
+ * structure if we start adding support for other vendor formats. */
+ ovs_be32 subtype; /* Vendor-specific subtype. */
+
+ /* Followed by vendor-defined additional data. */
+};
+OFP_ASSERT(sizeof(struct ofp11_vendor_stats_msg) == 24);
+
+/* Header for Nicira vendor stats request and reply messages in OpenFlow
+ * 1.0. */
+struct nicira10_stats_msg {
+ struct ofp10_vendor_stats_msg vsm; /* Vendor NX_VENDOR_ID. */
+ ovs_be32 subtype; /* One of NXST_* below. */
+ uint8_t pad[4]; /* Align to 64-bits. */
+};
+OFP_ASSERT(sizeof(struct nicira10_stats_msg) == 24);
+
/* A thin abstraction of OpenFlow headers:
*
* - 'version' and 'type' come straight from struct ofp_header, so these are
ovh = (const struct ofp_vendor_header *) oh;
hdrs->vendor = ntohl(ovh->vendor);
- if (hdrs->vendor == NX_VENDOR_ID) {
- /* Get Nicira message subtype (NXT_*). */
- const struct nicira_header *nh;
-
- if (length < sizeof *nh) {
- return OFPERR_OFPBRC_BAD_LEN;
- }
- nh = (const struct nicira_header *) oh;
- hdrs->subtype = ntohl(nh->subtype);
+ if (hdrs->vendor == NX_VENDOR_ID || hdrs->vendor == ONF_VENDOR_ID) {
+ hdrs->subtype = ntohl(ovh->subtype);
} else {
log_bad_vendor(hdrs->vendor);
return OFPERR_OFPBRC_BAD_VENDOR;
ovsm = (const struct ofp11_vendor_stats_msg *) oh;
hdrs->vendor = ntohl(ovsm->vendor);
- if (hdrs->vendor == NX_VENDOR_ID) {
- /* Get Nicira statistic type (NXST_*). */
- const struct nicira11_stats_msg *nsm;
-
- if (length < sizeof *nsm) {
- return OFPERR_OFPBRC_BAD_LEN;
- }
- nsm = (const struct nicira11_stats_msg *) oh;
- hdrs->subtype = ntohl(nsm->subtype);
+ if (hdrs->vendor == NX_VENDOR_ID ||
+ hdrs->vendor == ONF_VENDOR_ID) {
+ hdrs->subtype = ntohl(ovsm->subtype);
} else {
log_bad_vendor(hdrs->vendor);
return OFPERR_OFPBRC_BAD_VENDOR;
case OFP13_VERSION:
case OFP14_VERSION:
case OFP15_VERSION:
+ case OFP16_VERSION:
return type == OFPT11_STATS_REQUEST;
}
case OFP13_VERSION:
case OFP14_VERSION:
case OFP15_VERSION:
+ case OFP16_VERSION:
return type == OFPT11_STATS_REPLY;
}
ofphdrs_len(const struct ofphdrs *hdrs)
{
if (hdrs->type == OFPT_VENDOR) {
- return sizeof(struct nicira_header);
+ return sizeof(struct ofp_vendor_header);
}
switch ((enum ofp_version) hdrs->version) {
case OFP13_VERSION:
case OFP14_VERSION:
case OFP15_VERSION:
+ case OFP16_VERSION:
if (hdrs->type == OFPT11_STATS_REQUEST ||
hdrs->type == OFPT11_STATS_REPLY) {
return (hdrs->stat == OFPST_VENDOR
- ? sizeof(struct nicira11_stats_msg)
+ ? sizeof(struct ofp11_vendor_stats_msg)
: sizeof(struct ofp11_stats_msg));
}
break;
enum ofperr
ofpraw_decode(enum ofpraw *raw, const struct ofp_header *oh)
{
- struct ofpbuf msg;
-
- ofpbuf_use_const(&msg, oh, ntohs(oh->length));
+ struct ofpbuf msg = ofpbuf_const_initializer(oh, ntohs(oh->length));
return ofpraw_pull(raw, &msg);
}
oh->xid = xid;
if (hdrs->type == OFPT_VENDOR) {
- struct nicira_header *nh = buf->header;
+ struct ofp_vendor_header *ovh = buf->header;
- ovs_assert(hdrs->vendor == NX_VENDOR_ID);
- nh->vendor = htonl(hdrs->vendor);
- nh->subtype = htonl(hdrs->subtype);
+ ovh->vendor = htonl(hdrs->vendor);
+ ovh->subtype = htonl(hdrs->subtype);
} else if (version == OFP10_VERSION
&& (hdrs->type == OFPT10_STATS_REQUEST ||
hdrs->type == OFPT10_STATS_REPLY)) {
struct ofp11_vendor_stats_msg *ovsm = buf->header;
ovsm->vendor = htonl(hdrs->vendor);
- if (hdrs->vendor == NX_VENDOR_ID) {
- struct nicira11_stats_msg *nsm = buf->header;
-
- nsm->subtype = htonl(hdrs->subtype);
- } else {
- OVS_NOT_REACHED();
- }
+ ovsm->subtype = htonl(hdrs->subtype);
}
}
}
case OFP13_VERSION:
case OFP14_VERSION:
case OFP15_VERSION:
+ case OFP16_VERSION:
ovs_assert(hdrs.type == OFPT11_STATS_REQUEST);
hdrs.type = OFPT11_STATS_REPLY;
break;
{
struct ofpbuf *msg;
- list_init(replies);
+ ovs_list_init(replies);
msg = ofpraw_alloc_stats_reply(request, 1000);
- list_push_back(replies, &msg->list_node);
+ ovs_list_push_back(replies, &msg->list_node);
}
/* Prepares to append up to 'len' bytes to the series of statistics replies in
struct ofpbuf *
ofpmp_reserve(struct ovs_list *replies, size_t len)
{
- struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
+ struct ofpbuf *msg = ofpbuf_from_list(ovs_list_back(replies));
if (msg->size + len <= UINT16_MAX) {
ofpbuf_prealloc_tailroom(msg, len);
ofpbuf_put(next, msg->data, hdrs_len);
next->header = next->data;
next->msg = ofpbuf_tail(next);
- list_push_back(replies, &next->list_node);
+ ovs_list_push_back(replies, &next->list_node);
*ofpmp_flags__(msg->data) |= htons(OFPSF_REPLY_MORE);
void
ofpmp_postappend(struct ovs_list *replies, size_t start_ofs)
{
- struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
+ struct ofpbuf *msg = ofpbuf_from_list(ovs_list_back(replies));
ovs_assert(start_ofs <= UINT16_MAX);
if (msg->size > UINT16_MAX) {
enum ofp_version
ofpmp_version(struct ovs_list *replies)
{
- struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
+ struct ofpbuf *msg = ofpbuf_from_list(ovs_list_back(replies));
const struct ofp_header *oh = msg->data;
return oh->version;
enum ofpraw
ofpmp_decode_raw(struct ovs_list *replies)
{
- struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
+ struct ofpbuf *msg = ofpbuf_from_list(ovs_list_back(replies));
enum ofperr error;
enum ofpraw raw;
case OFP13_VERSION:
case OFP14_VERSION:
case OFP15_VERSION:
+ case OFP16_VERSION:
return &((struct ofp11_stats_msg *) oh)->flags;
default:
OVS_NOT_REACHED();
projects / cascardo / ovs.git / blobdiff