#include "learn.h"
#include "multipath.h"
#include "meta-flow.h"
+#include "netdev.h"
#include "nx-match.h"
#include "ofp-errors.h"
#include "ofp-util.h"
{ OFPUTIL_NXT_SET_ASYNC_CONFIG, OFP10_VERSION,
NXT_SET_ASYNC_CONFIG, "NXT_SET_ASYNC_CONFIG",
sizeof(struct nx_async_config), 0 },
+
+ { OFPUTIL_NXT_SET_CONTROLLER_ID, OFP10_VERSION,
+ NXT_SET_CONTROLLER_ID, "NXT_SET_CONTROLLER_ID",
+ sizeof(struct nx_controller_id), 0 },
};
static const struct ofputil_msg_category nxt_category = {
sizeof(struct ofp_port_status), 0 },
{ OFPUTIL_OFPT_PACKET_OUT, OFP10_VERSION,
- OFPT_PACKET_OUT, "OFPT_PACKET_OUT",
+ OFPT10_PACKET_OUT, "OFPT_PACKET_OUT",
sizeof(struct ofp_packet_out), 1 },
{ OFPUTIL_OFPT_FLOW_MOD, OFP10_VERSION,
- OFPT_FLOW_MOD, "OFPT_FLOW_MOD",
+ OFPT10_FLOW_MOD, "OFPT_FLOW_MOD",
sizeof(struct ofp_flow_mod), 1 },
{ OFPUTIL_OFPT_PORT_MOD, OFP10_VERSION,
- OFPT_PORT_MOD, "OFPT_PORT_MOD",
+ OFPT10_PORT_MOD, "OFPT_PORT_MOD",
sizeof(struct ofp_port_mod), 0 },
{ 0, OFP10_VERSION,
- OFPT_STATS_REQUEST, "OFPT_STATS_REQUEST",
+ OFPT10_STATS_REQUEST, "OFPT_STATS_REQUEST",
sizeof(struct ofp_stats_msg), 1 },
{ 0, OFP10_VERSION,
- OFPT_STATS_REPLY, "OFPT_STATS_REPLY",
+ OFPT10_STATS_REPLY, "OFPT_STATS_REPLY",
sizeof(struct ofp_stats_msg), 1 },
{ OFPUTIL_OFPT_BARRIER_REQUEST, OFP10_VERSION,
- OFPT_BARRIER_REQUEST, "OFPT_BARRIER_REQUEST",
+ OFPT10_BARRIER_REQUEST, "OFPT_BARRIER_REQUEST",
sizeof(struct ofp_header), 0 },
{ OFPUTIL_OFPT_BARRIER_REPLY, OFP10_VERSION,
- OFPT_BARRIER_REPLY, "OFPT_BARRIER_REPLY",
+ OFPT10_BARRIER_REPLY, "OFPT_BARRIER_REPLY",
sizeof(struct ofp_header), 0 },
{ 0, 0,
error = ofputil_lookup_openflow_message(&ofpt_category, oh->version,
oh->type, typep);
if (!error) {
- switch (oh->type) {
- case OFPT_VENDOR:
+ switch ((oh->version << 8) | oh->type) {
+ case (OFP10_VERSION << 8) | OFPT_VENDOR:
+ case (OFP11_VERSION << 8) | OFPT_VENDOR:
error = ofputil_decode_vendor(oh, length, typep);
break;
- case OFPT_STATS_REQUEST:
+ case (OFP10_VERSION << 8) | OFPT10_STATS_REQUEST:
+ case (OFP11_VERSION << 8) | OFPT11_STATS_REQUEST:
error = ofputil_decode_ofpst_request(oh, length, typep);
break;
- case OFPT_STATS_REPLY:
+ case (OFP10_VERSION << 8) | OFPT10_STATS_REPLY:
+ case (OFP11_VERSION << 8) | OFPT11_STATS_REPLY:
error = ofputil_decode_ofpst_reply(oh, length, typep);
default:
return type->code;
}
\f
-/* Flow formats. */
+/* Protocols. */
+
+struct proto_abbrev {
+ enum ofputil_protocol protocol;
+ const char *name;
+};
+
+/* Most users really don't care about some of the differences between
+ * protocols. These abbreviations help with that. */
+static const struct proto_abbrev proto_abbrevs[] = {
+ { OFPUTIL_P_ANY, "any" },
+ { OFPUTIL_P_OF10_ANY, "OpenFlow10" },
+ { OFPUTIL_P_NXM_ANY, "NXM" },
+};
+#define N_PROTO_ABBREVS ARRAY_SIZE(proto_abbrevs)
+
+enum ofputil_protocol ofputil_flow_dump_protocols[] = {
+ OFPUTIL_P_NXM,
+ OFPUTIL_P_OF10,
+};
+size_t ofputil_n_flow_dump_protocols = ARRAY_SIZE(ofputil_flow_dump_protocols);
+/* Returns the ofputil_protocol that is initially in effect on an OpenFlow
+ * connection that has negotiated the given 'version'. 'version' should
+ * normally be an 8-bit OpenFlow version identifier (e.g. 0x01 for OpenFlow
+ * 1.0, 0x02 for OpenFlow 1.1). Returns 0 if 'version' is not supported or
+ * outside the valid range. */
+enum ofputil_protocol
+ofputil_protocol_from_ofp_version(int version)
+{
+ switch (version) {
+ case OFP10_VERSION: return OFPUTIL_P_OF10;
+ default: return 0;
+ }
+}
+
+/* Returns true if 'protocol' is a single OFPUTIL_P_* value, false
+ * otherwise. */
bool
-ofputil_flow_format_is_valid(enum nx_flow_format flow_format)
+ofputil_protocol_is_valid(enum ofputil_protocol protocol)
{
- switch (flow_format) {
- case NXFF_OPENFLOW10:
- case NXFF_NXM:
- return true;
+ return protocol & OFPUTIL_P_ANY && is_pow2(protocol);
+}
+
+/* Returns the equivalent of 'protocol' with the Nicira flow_mod_table_id
+ * extension turned on or off if 'enable' is true or false, respectively.
+ *
+ * This extension is only useful for protocols whose "standard" version does
+ * not allow specific tables to be modified. In particular, this is true of
+ * OpenFlow 1.0. In later versions of OpenFlow, a flow_mod request always
+ * specifies a table ID and so there is no need for such an extension. When
+ * 'protocol' is such a protocol that doesn't need a flow_mod_table_id
+ * extension, this function just returns its 'protocol' argument unchanged
+ * regardless of the value of 'enable'. */
+enum ofputil_protocol
+ofputil_protocol_set_tid(enum ofputil_protocol protocol, bool enable)
+{
+ switch (protocol) {
+ case OFPUTIL_P_OF10:
+ case OFPUTIL_P_OF10_TID:
+ return enable ? OFPUTIL_P_OF10_TID : OFPUTIL_P_OF10;
+
+ case OFPUTIL_P_NXM:
+ case OFPUTIL_P_NXM_TID:
+ return enable ? OFPUTIL_P_NXM_TID : OFPUTIL_P_NXM;
+
+ default:
+ NOT_REACHED();
}
+}
- return false;
+/* Returns the "base" version of 'protocol'. That is, if 'protocol' includes
+ * some extension to a standard protocol version, the return value is the
+ * standard version of that protocol without any extension. If 'protocol' is a
+ * standard protocol version, returns 'protocol' unchanged. */
+enum ofputil_protocol
+ofputil_protocol_to_base(enum ofputil_protocol protocol)
+{
+ return ofputil_protocol_set_tid(protocol, false);
}
-const char *
-ofputil_flow_format_to_string(enum nx_flow_format flow_format)
+/* Returns 'new_base' with any extensions taken from 'cur'. */
+enum ofputil_protocol
+ofputil_protocol_set_base(enum ofputil_protocol cur,
+ enum ofputil_protocol new_base)
{
- switch (flow_format) {
- case NXFF_OPENFLOW10:
- return "openflow10";
- case NXFF_NXM:
- return "nxm";
+ bool tid = (cur & OFPUTIL_P_TID) != 0;
+
+ switch (new_base) {
+ case OFPUTIL_P_OF10:
+ case OFPUTIL_P_OF10_TID:
+ return ofputil_protocol_set_tid(OFPUTIL_P_OF10, tid);
+
+ case OFPUTIL_P_NXM:
+ case OFPUTIL_P_NXM_TID:
+ return ofputil_protocol_set_tid(OFPUTIL_P_NXM, tid);
+
default:
NOT_REACHED();
}
}
-int
-ofputil_flow_format_from_string(const char *s)
+/* Returns a string form of 'protocol', if a simple form exists (that is, if
+ * 'protocol' is either a single protocol or it is a combination of protocols
+ * that have a single abbreviation). Otherwise, returns NULL. */
+const char *
+ofputil_protocol_to_string(enum ofputil_protocol protocol)
{
- return (!strcmp(s, "openflow10") ? NXFF_OPENFLOW10
- : !strcmp(s, "nxm") ? NXFF_NXM
- : -1);
+ const struct proto_abbrev *p;
+
+ /* Use a "switch" statement for single-bit names so that we get a compiler
+ * warning if we forget any. */
+ switch (protocol) {
+ case OFPUTIL_P_NXM:
+ return "NXM-table_id";
+
+ case OFPUTIL_P_NXM_TID:
+ return "NXM+table_id";
+
+ case OFPUTIL_P_OF10:
+ return "OpenFlow10-table_id";
+
+ case OFPUTIL_P_OF10_TID:
+ return "OpenFlow10+table_id";
+ }
+
+ /* Check abbreviations. */
+ for (p = proto_abbrevs; p < &proto_abbrevs[N_PROTO_ABBREVS]; p++) {
+ if (protocol == p->protocol) {
+ return p->name;
+ }
+ }
+
+ return NULL;
+}
+
+/* Returns a string that represents 'protocols'. The return value might be a
+ * comma-separated list if 'protocols' doesn't have a simple name. The return
+ * value is "none" if 'protocols' is 0.
+ *
+ * The caller must free the returned string (with free()). */
+char *
+ofputil_protocols_to_string(enum ofputil_protocol protocols)
+{
+ struct ds s;
+
+ assert(!(protocols & ~OFPUTIL_P_ANY));
+ if (protocols == 0) {
+ return xstrdup("none");
+ }
+
+ ds_init(&s);
+ while (protocols) {
+ const struct proto_abbrev *p;
+ int i;
+
+ if (s.length) {
+ ds_put_char(&s, ',');
+ }
+
+ for (p = proto_abbrevs; p < &proto_abbrevs[N_PROTO_ABBREVS]; p++) {
+ if ((protocols & p->protocol) == p->protocol) {
+ ds_put_cstr(&s, p->name);
+ protocols &= ~p->protocol;
+ goto match;
+ }
+ }
+
+ for (i = 0; i < CHAR_BIT * sizeof(enum ofputil_protocol); i++) {
+ enum ofputil_protocol bit = 1u << i;
+
+ if (protocols & bit) {
+ ds_put_cstr(&s, ofputil_protocol_to_string(bit));
+ protocols &= ~bit;
+ goto match;
+ }
+ }
+ NOT_REACHED();
+
+ match: ;
+ }
+ return ds_steal_cstr(&s);
+}
+
+static enum ofputil_protocol
+ofputil_protocol_from_string__(const char *s, size_t n)
+{
+ const struct proto_abbrev *p;
+ int i;
+
+ for (i = 0; i < CHAR_BIT * sizeof(enum ofputil_protocol); i++) {
+ enum ofputil_protocol bit = 1u << i;
+ const char *name = ofputil_protocol_to_string(bit);
+
+ if (name && n == strlen(name) && !strncasecmp(s, name, n)) {
+ return bit;
+ }
+ }
+
+ for (p = proto_abbrevs; p < &proto_abbrevs[N_PROTO_ABBREVS]; p++) {
+ if (n == strlen(p->name) && !strncasecmp(s, p->name, n)) {
+ return p->protocol;
+ }
+ }
+
+ return 0;
+}
+
+/* Returns the nonempty set of protocols represented by 's', which can be a
+ * single protocol name or abbreviation or a comma-separated list of them.
+ *
+ * Aborts the program with an error message if 's' is invalid. */
+enum ofputil_protocol
+ofputil_protocols_from_string(const char *s)
+{
+ const char *orig_s = s;
+ enum ofputil_protocol protocols;
+
+ protocols = 0;
+ while (*s) {
+ enum ofputil_protocol p;
+ size_t n;
+
+ n = strcspn(s, ",");
+ if (n == 0) {
+ s++;
+ continue;
+ }
+
+ p = ofputil_protocol_from_string__(s, n);
+ if (!p) {
+ ovs_fatal(0, "%.*s: unknown flow protocol", (int) n, s);
+ }
+ protocols |= p;
+
+ s += n;
+ }
+
+ if (!protocols) {
+ ovs_fatal(0, "%s: no flow protocol specified", orig_s);
+ }
+ return protocols;
}
bool
return true;
}
-/* Returns the minimum nx_flow_format to use for sending 'rule' to a switch
- * (e.g. to add or remove a flow). Only NXM can handle tunnel IDs, registers,
- * or fixing the Ethernet multicast bit. Otherwise, it's better to use
- * NXFF_OPENFLOW10 for backward compatibility. */
-enum nx_flow_format
-ofputil_min_flow_format(const struct cls_rule *rule)
+/* Returns a bit-mask of ofputil_protocols that can be used for sending 'rule'
+ * to a switch (e.g. to add or remove a flow). Only NXM can handle tunnel IDs,
+ * registers, or fixing the Ethernet multicast bit. Otherwise, it's better to
+ * use OpenFlow 1.0 protocol for backward compatibility. */
+enum ofputil_protocol
+ofputil_usable_protocols(const struct cls_rule *rule)
{
const struct flow_wildcards *wc = &rule->wc;
/* Only NXM supports separately wildcards the Ethernet multicast bit. */
if (!(wc->wildcards & FWW_DL_DST) != !(wc->wildcards & FWW_ETH_MCAST)) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching ARP hardware addresses. */
if (!(wc->wildcards & FWW_ARP_SHA) || !(wc->wildcards & FWW_ARP_THA)) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching IPv6 traffic. */
if (!(wc->wildcards & FWW_DL_TYPE)
&& (rule->flow.dl_type == htons(ETH_TYPE_IPV6))) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching registers. */
if (!regs_fully_wildcarded(wc)) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching tun_id. */
if (wc->tun_id_mask != htonll(0)) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching fragments. */
if (wc->nw_frag_mask) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching IPv6 flow label. */
if (!(wc->wildcards & FWW_IPV6_LABEL)) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching IP ECN bits. */
if (!(wc->wildcards & FWW_NW_ECN)) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports matching IP TTL/hop limit. */
if (!(wc->wildcards & FWW_NW_TTL)) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Only NXM supports bitwise matching on transport port. */
if ((wc->tp_src_mask && wc->tp_src_mask != htons(UINT16_MAX)) ||
(wc->tp_dst_mask && wc->tp_dst_mask != htons(UINT16_MAX))) {
- return NXFF_NXM;
+ return OFPUTIL_P_NXM_ANY;
}
/* Other formats can express this rule. */
- return NXFF_OPENFLOW10;
+ return OFPUTIL_P_ANY;
}
-/* Returns an OpenFlow message that can be used to set the flow format to
- * 'flow_format'. */
+/* Returns an OpenFlow message that, sent on an OpenFlow connection whose
+ * protocol is 'current', at least partly transitions the protocol to 'want'.
+ * Stores in '*next' the protocol that will be in effect on the OpenFlow
+ * connection if the switch processes the returned message correctly. (If
+ * '*next != want' then the caller will have to iterate.)
+ *
+ * If 'current == want', returns NULL and stores 'current' in '*next'. */
struct ofpbuf *
-ofputil_make_set_flow_format(enum nx_flow_format flow_format)
+ofputil_encode_set_protocol(enum ofputil_protocol current,
+ enum ofputil_protocol want,
+ enum ofputil_protocol *next)
+{
+ enum ofputil_protocol cur_base, want_base;
+ bool cur_tid, want_tid;
+
+ cur_base = ofputil_protocol_to_base(current);
+ want_base = ofputil_protocol_to_base(want);
+ if (cur_base != want_base) {
+ *next = ofputil_protocol_set_base(current, want_base);
+
+ switch (want_base) {
+ case OFPUTIL_P_NXM:
+ return ofputil_encode_nx_set_flow_format(NXFF_NXM);
+
+ case OFPUTIL_P_OF10:
+ return ofputil_encode_nx_set_flow_format(NXFF_OPENFLOW10);
+
+ case OFPUTIL_P_OF10_TID:
+ case OFPUTIL_P_NXM_TID:
+ NOT_REACHED();
+ }
+ }
+
+ cur_tid = (current & OFPUTIL_P_TID) != 0;
+ want_tid = (want & OFPUTIL_P_TID) != 0;
+ if (cur_tid != want_tid) {
+ *next = ofputil_protocol_set_tid(current, want_tid);
+ return ofputil_make_flow_mod_table_id(want_tid);
+ }
+
+ assert(current == want);
+
+ *next = current;
+ return NULL;
+}
+
+/* Returns an NXT_SET_FLOW_FORMAT message that can be used to set the flow
+ * format to 'nxff'. */
+struct ofpbuf *
+ofputil_encode_nx_set_flow_format(enum nx_flow_format nxff)
{
struct nx_set_flow_format *sff;
struct ofpbuf *msg;
+ assert(ofputil_nx_flow_format_is_valid(nxff));
+
sff = make_nxmsg(sizeof *sff, NXT_SET_FLOW_FORMAT, &msg);
- sff->format = htonl(flow_format);
+ sff->format = htonl(nxff);
return msg;
}
+/* Returns the base protocol if 'flow_format' is a valid NXFF_* value, false
+ * otherwise. */
+enum ofputil_protocol
+ofputil_nx_flow_format_to_protocol(enum nx_flow_format flow_format)
+{
+ switch (flow_format) {
+ case NXFF_OPENFLOW10:
+ return OFPUTIL_P_OF10;
+
+ case NXFF_NXM:
+ return OFPUTIL_P_NXM;
+
+ default:
+ return 0;
+ }
+}
+
+/* Returns true if 'flow_format' is a valid NXFF_* value, false otherwise. */
+bool
+ofputil_nx_flow_format_is_valid(enum nx_flow_format flow_format)
+{
+ return ofputil_nx_flow_format_to_protocol(flow_format) != 0;
+}
+
+/* Returns a string version of 'flow_format', which must be a valid NXFF_*
+ * value. */
+const char *
+ofputil_nx_flow_format_to_string(enum nx_flow_format flow_format)
+{
+ switch (flow_format) {
+ case NXFF_OPENFLOW10:
+ return "openflow10";
+ case NXFF_NXM:
+ return "nxm";
+ default:
+ NOT_REACHED();
+ }
+}
+
struct ofpbuf *
ofputil_make_set_packet_in_format(enum nx_packet_in_format packet_in_format)
{
* flow_mod in 'fm'. Returns 0 if successful, otherwise an OpenFlow error
* code.
*
- * 'flow_mod_table_id' should be true if the NXT_FLOW_MOD_TABLE_ID extension is
- * enabled, false otherwise.
- *
* Does not validate the flow_mod actions. */
enum ofperr
ofputil_decode_flow_mod(struct ofputil_flow_mod *fm,
- const struct ofp_header *oh, bool flow_mod_table_id)
+ const struct ofp_header *oh,
+ enum ofputil_protocol protocol)
{
const struct ofputil_msg_type *type;
uint16_t command;
/* Translate the rule. */
ofputil_cls_rule_from_match(&ofm->match, priority, &fm->cr);
- ofputil_normalize_rule(&fm->cr, NXFF_OPENFLOW10);
+ ofputil_normalize_rule(&fm->cr);
/* Translate the message. */
fm->cookie = ofm->cookie;
NOT_REACHED();
}
- if (flow_mod_table_id) {
+ if (protocol & OFPUTIL_P_TID) {
fm->command = command & 0xff;
fm->table_id = command >> 8;
} else {
}
/* Converts 'fm' into an OFPT_FLOW_MOD or NXT_FLOW_MOD message according to
- * 'flow_format' and returns the message.
+ * 'protocol' and returns the message.
*
* 'flow_mod_table_id' should be true if the NXT_FLOW_MOD_TABLE_ID extension is
* enabled, false otherwise. */
struct ofpbuf *
ofputil_encode_flow_mod(const struct ofputil_flow_mod *fm,
- enum nx_flow_format flow_format,
- bool flow_mod_table_id)
+ enum ofputil_protocol protocol)
{
size_t actions_len = fm->n_actions * sizeof *fm->actions;
+ struct ofp_flow_mod *ofm;
+ struct nx_flow_mod *nfm;
struct ofpbuf *msg;
uint16_t command;
+ int match_len;
- command = (flow_mod_table_id
+ command = (protocol & OFPUTIL_P_TID
? (fm->command & 0xff) | (fm->table_id << 8)
: fm->command);
- if (flow_format == NXFF_OPENFLOW10) {
- struct ofp_flow_mod *ofm;
-
+ switch (protocol) {
+ case OFPUTIL_P_OF10:
+ case OFPUTIL_P_OF10_TID:
msg = ofpbuf_new(sizeof *ofm + actions_len);
- ofm = put_openflow(sizeof *ofm, OFPT_FLOW_MOD, msg);
+ ofm = put_openflow(sizeof *ofm, OFPT10_FLOW_MOD, msg);
ofputil_cls_rule_to_match(&fm->cr, &ofm->match);
ofm->cookie = fm->cookie;
ofm->command = htons(command);
ofm->buffer_id = htonl(fm->buffer_id);
ofm->out_port = htons(fm->out_port);
ofm->flags = htons(fm->flags);
- } else if (flow_format == NXFF_NXM) {
- struct nx_flow_mod *nfm;
- int match_len;
+ break;
+ case OFPUTIL_P_NXM:
+ case OFPUTIL_P_NXM_TID:
msg = ofpbuf_new(sizeof *nfm + NXM_TYPICAL_LEN + actions_len);
put_nxmsg(sizeof *nfm, NXT_FLOW_MOD, msg);
nfm = msg->data;
nfm->out_port = htons(fm->out_port);
nfm->flags = htons(fm->flags);
nfm->match_len = htons(match_len);
- } else {
+ break;
+
+ default:
NOT_REACHED();
}
return msg;
}
+/* Returns a bitmask with a 1-bit for each protocol that could be used to
+ * send all of the 'n_fm's flow table modification requests in 'fms', and a
+ * 0-bit for each protocol that is inadequate.
+ *
+ * (The return value will have at least one 1-bit.) */
+enum ofputil_protocol
+ofputil_flow_mod_usable_protocols(const struct ofputil_flow_mod *fms,
+ size_t n_fms)
+{
+ enum ofputil_protocol usable_protocols;
+ size_t i;
+
+ usable_protocols = OFPUTIL_P_ANY;
+ for (i = 0; i < n_fms; i++) {
+ const struct ofputil_flow_mod *fm = &fms[i];
+
+ usable_protocols &= ofputil_usable_protocols(&fm->cr);
+ if (fm->table_id != 0xff) {
+ usable_protocols &= OFPUTIL_P_TID;
+ }
+ if (fm->command != OFPFC_ADD && fm->cookie_mask != htonll(0)) {
+ usable_protocols &= OFPUTIL_P_NXM_ANY;
+ }
+ }
+ assert(usable_protocols);
+
+ return usable_protocols;
+}
+
static enum ofperr
ofputil_decode_ofpst_flow_request(struct ofputil_flow_stats_request *fsr,
const struct ofp_header *oh,
/* Converts abstract flow_stats_request 'fsr' into an OFPST_FLOW,
* OFPST_AGGREGATE, NXST_FLOW, or NXST_AGGREGATE request 'oh' according to
- * 'flow_format', and returns the message. */
+ * 'protocol', and returns the message. */
struct ofpbuf *
ofputil_encode_flow_stats_request(const struct ofputil_flow_stats_request *fsr,
- enum nx_flow_format flow_format)
+ enum ofputil_protocol protocol)
{
struct ofpbuf *msg;
- if (flow_format == NXFF_OPENFLOW10) {
+ switch (protocol) {
+ case OFPUTIL_P_OF10:
+ case OFPUTIL_P_OF10_TID: {
struct ofp_flow_stats_request *ofsr;
int type;
ofputil_cls_rule_to_match(&fsr->match, &ofsr->match);
ofsr->table_id = fsr->table_id;
ofsr->out_port = htons(fsr->out_port);
- } else if (flow_format == NXFF_NXM) {
+ break;
+ }
+
+ case OFPUTIL_P_NXM:
+ case OFPUTIL_P_NXM_TID: {
struct nx_flow_stats_request *nfsr;
int match_len;
int subtype;
nfsr->out_port = htons(fsr->out_port);
nfsr->match_len = htons(match_len);
nfsr->table_id = fsr->table_id;
- } else {
+ break;
+ }
+
+ default:
NOT_REACHED();
}
return msg;
}
+/* Returns a bitmask with a 1-bit for each protocol that could be used to
+ * accurately encode 'fsr', and a 0-bit for each protocol that is inadequate.
+ *
+ * (The return value will have at least one 1-bit.) */
+enum ofputil_protocol
+ofputil_flow_stats_request_usable_protocols(
+ const struct ofputil_flow_stats_request *fsr)
+{
+ enum ofputil_protocol usable_protocols;
+
+ usable_protocols = ofputil_usable_protocols(&fsr->match);
+ if (fsr->cookie_mask != htonll(0)) {
+ usable_protocols &= OFPUTIL_P_NXM_ANY;
+ }
+ return usable_protocols;
+}
+
/* Converts an OFPST_FLOW or NXST_FLOW reply in 'msg' into an abstract
* ofputil_flow_stats in 'fs'.
*
}
/* Converts abstract ofputil_aggregate_stats 'stats' into an OFPST_AGGREGATE or
- * NXST_AGGREGATE reply according to 'flow_format', and returns the message. */
+ * NXST_AGGREGATE reply according to 'protocol', and returns the message. */
struct ofpbuf *
ofputil_encode_aggregate_stats_reply(
const struct ofputil_aggregate_stats *stats,
}
/* Converts abstract ofputil_flow_removed 'fr' into an OFPT_FLOW_REMOVED or
- * NXT_FLOW_REMOVED message 'oh' according to 'flow_format', and returns the
+ * NXT_FLOW_REMOVED message 'oh' according to 'protocol', and returns the
* message. */
struct ofpbuf *
ofputil_encode_flow_removed(const struct ofputil_flow_removed *fr,
- enum nx_flow_format flow_format)
+ enum ofputil_protocol protocol)
{
struct ofpbuf *msg;
- if (flow_format == NXFF_OPENFLOW10) {
+ switch (protocol) {
+ case OFPUTIL_P_OF10:
+ case OFPUTIL_P_OF10_TID: {
struct ofp_flow_removed *ofr;
ofr = make_openflow_xid(sizeof *ofr, OFPT_FLOW_REMOVED, htonl(0),
ofr->idle_timeout = htons(fr->idle_timeout);
ofr->packet_count = htonll(unknown_to_zero(fr->packet_count));
ofr->byte_count = htonll(unknown_to_zero(fr->byte_count));
- } else if (flow_format == NXFF_NXM) {
+ break;
+ }
+
+ case OFPUTIL_P_NXM:
+ case OFPUTIL_P_NXM_TID: {
struct nx_flow_removed *nfr;
int match_len;
nfr->match_len = htons(match_len);
nfr->packet_count = htonll(fr->packet_count);
nfr->byte_count = htonll(fr->byte_count);
- } else {
+ break;
+ }
+
+ default:
NOT_REACHED();
}
packet = ofpbuf_new(send_len + header_len);
opi = ofpbuf_put_zeros(packet, header_len);
- opi->header.version = OFP_VERSION;
+ opi->header.version = OFP10_VERSION;
opi->header.type = OFPT_PACKET_IN;
opi->total_len = htons(pin->total_len);
opi->in_port = htons(pin->fmd.in_port);
ofpbuf_put(packet, pin->packet, send_len);
npi = packet->data;
- npi->nxh.header.version = OFP_VERSION;
+ npi->nxh.header.version = OFP10_VERSION;
npi->nxh.header.type = OFPT_VENDOR;
npi->nxh.vendor = htonl(NX_VENDOR_ID);
npi->nxh.subtype = htonl(NXT_PACKET_IN);
return packet;
}
+const char *
+ofputil_packet_in_reason_to_string(enum ofp_packet_in_reason reason)
+{
+ static char s[INT_STRLEN(int) + 1];
+
+ switch (reason) {
+ case OFPR_NO_MATCH:
+ return "no_match";
+ case OFPR_ACTION:
+ return "action";
+ case OFPR_INVALID_TTL:
+ return "invalid_ttl";
+
+ case OFPR_N_REASONS:
+ default:
+ sprintf(s, "%d", (int) reason);
+ return s;
+ }
+}
+
+bool
+ofputil_packet_in_reason_from_string(const char *s,
+ enum ofp_packet_in_reason *reason)
+{
+ int i;
+
+ for (i = 0; i < OFPR_N_REASONS; i++) {
+ if (!strcasecmp(s, ofputil_packet_in_reason_to_string(i))) {
+ *reason = i;
+ return true;
+ }
+ }
+ return false;
+}
+
enum ofperr
ofputil_decode_packet_out(struct ofputil_packet_out *po,
const struct ofp_packet_out *opo)
return 0;
}
+\f
+/* ofputil_phy_port */
+
+/* NETDEV_F_* to and from OFPPF_* and OFPPF10_*. */
+BUILD_ASSERT_DECL((int) NETDEV_F_10MB_HD == OFPPF_10MB_HD); /* bit 0 */
+BUILD_ASSERT_DECL((int) NETDEV_F_10MB_FD == OFPPF_10MB_FD); /* bit 1 */
+BUILD_ASSERT_DECL((int) NETDEV_F_100MB_HD == OFPPF_100MB_HD); /* bit 2 */
+BUILD_ASSERT_DECL((int) NETDEV_F_100MB_FD == OFPPF_100MB_FD); /* bit 3 */
+BUILD_ASSERT_DECL((int) NETDEV_F_1GB_HD == OFPPF_1GB_HD); /* bit 4 */
+BUILD_ASSERT_DECL((int) NETDEV_F_1GB_FD == OFPPF_1GB_FD); /* bit 5 */
+BUILD_ASSERT_DECL((int) NETDEV_F_10GB_FD == OFPPF_10GB_FD); /* bit 6 */
+
+/* NETDEV_F_ bits 11...15 are OFPPF10_ bits 7...11: */
+BUILD_ASSERT_DECL((int) NETDEV_F_COPPER == (OFPPF_COPPER << 4));
+BUILD_ASSERT_DECL((int) NETDEV_F_FIBER == (OFPPF_FIBER << 4));
+BUILD_ASSERT_DECL((int) NETDEV_F_AUTONEG == (OFPPF_AUTONEG << 4));
+BUILD_ASSERT_DECL((int) NETDEV_F_PAUSE == (OFPPF_PAUSE << 4));
+BUILD_ASSERT_DECL((int) NETDEV_F_PAUSE_ASYM == (OFPPF_PAUSE_ASYM << 4));
+
+enum netdev_features
+ofputil_netdev_port_features_from_ofp10(ovs_be32 ofp10_)
+{
+ uint32_t ofp10 = ntohl(ofp10_);
+ return (ofp10 & 0x7f) | ((ofp10 & 0xf80) << 4);
+}
+
+ovs_be32
+ofputil_netdev_port_features_to_ofp10(enum netdev_features features)
+{
+ return htonl((features & 0x7f) | ((features & 0xf800) >> 4));
+}
struct ofpbuf *
ofputil_encode_packet_out(const struct ofputil_packet_out *po)
}
msg = ofpbuf_new(size);
- opo = put_openflow(sizeof *opo, OFPT_PACKET_OUT, msg);
+ opo = put_openflow(sizeof *opo, OFPT10_PACKET_OUT, msg);
opo->buffer_id = htonl(po->buffer_id);
opo->in_port = htons(po->in_port);
opo->actions_len = htons(actions_len);
assert(openflow_len <= UINT16_MAX);
oh = ofpbuf_put_uninit(buffer, openflow_len);
- oh->version = OFP_VERSION;
+ oh->version = OFP10_VERSION;
oh->type = type;
oh->length = htons(openflow_len);
oh->xid = xid;
struct ofpbuf *msg;
msg = *bufferp = ofpbuf_new(openflow_len);
- put_stats__(alloc_xid(), OFPT_STATS_REQUEST,
+ put_stats__(alloc_xid(), OFPT10_STATS_REQUEST,
htons(ofpst_type), htonl(nxst_subtype), msg);
ofpbuf_padto(msg, openflow_len);
static void
put_stats_reply__(const struct ofp_stats_msg *request, struct ofpbuf *msg)
{
- assert(request->header.type == OFPT_STATS_REQUEST ||
- request->header.type == OFPT_STATS_REPLY);
- put_stats__(request->header.xid, OFPT_STATS_REPLY, request->type,
+ assert(request->header.type == OFPT10_STATS_REQUEST ||
+ request->header.type == OFPT10_STATS_REPLY);
+ put_stats__(request->header.xid, OFPT10_STATS_REPLY, request->type,
(request->type != htons(OFPST_VENDOR)
? htonl(0)
: ((const struct nicira_stats_msg *) request)->subtype),
const void *
ofputil_stats_body(const struct ofp_header *oh)
{
- assert(oh->type == OFPT_STATS_REQUEST || oh->type == OFPT_STATS_REPLY);
+ assert(oh->type == OFPT10_STATS_REQUEST || oh->type == OFPT10_STATS_REPLY);
return (const struct ofp_stats_msg *) oh + 1;
}
size_t
ofputil_stats_body_len(const struct ofp_header *oh)
{
- assert(oh->type == OFPT_STATS_REQUEST || oh->type == OFPT_STATS_REPLY);
+ assert(oh->type == OFPT10_STATS_REQUEST || oh->type == OFPT10_STATS_REPLY);
return ntohs(oh->length) - sizeof(struct ofp_stats_msg);
}
const void *
ofputil_nxstats_body(const struct ofp_header *oh)
{
- assert(oh->type == OFPT_STATS_REQUEST || oh->type == OFPT_STATS_REPLY);
+ assert(oh->type == OFPT10_STATS_REQUEST || oh->type == OFPT10_STATS_REPLY);
return ((const struct nicira_stats_msg *) oh) + 1;
}
size_t
ofputil_nxstats_body_len(const struct ofp_header *oh)
{
- assert(oh->type == OFPT_STATS_REQUEST || oh->type == OFPT_STATS_REPLY);
+ assert(oh->type == OFPT10_STATS_REQUEST || oh->type == OFPT10_STATS_REPLY);
return ntohs(oh->length) - sizeof(struct nicira_stats_msg);
}
size_t size = sizeof *ofm + actions_len;
struct ofpbuf *out = ofpbuf_new(size);
ofm = ofpbuf_put_zeros(out, sizeof *ofm);
- ofm->header.version = OFP_VERSION;
- ofm->header.type = OFPT_FLOW_MOD;
+ ofm->header.version = OFP10_VERSION;
+ ofm->header.type = OFPT10_FLOW_MOD;
ofm->header.length = htons(size);
ofm->cookie = 0;
ofm->priority = htons(MIN(rule->priority, UINT16_MAX));
struct ofp_header *rq;
struct ofpbuf *out = ofpbuf_new(sizeof *rq);
rq = ofpbuf_put_uninit(out, sizeof *rq);
- rq->version = OFP_VERSION;
+ rq->version = OFP10_VERSION;
rq->type = OFPT_ECHO_REQUEST;
rq->length = htons(sizeof *rq);
rq->xid = htonl(0);
{
struct ofpbuf *msg;
- make_openflow(sizeof(struct ofp_header), OFPT_BARRIER_REQUEST, &msg);
+ make_openflow(sizeof(struct ofp_header), OFPT10_BARRIER_REQUEST, &msg);
return msg;
}
return true;
}
+/* Converts the OpenFlow 1.1+ port number 'ofp11_port' into an OpenFlow 1.0
+ * port number and stores the latter in '*ofp10_port', for the purpose of
+ * decoding OpenFlow 1.1+ protocol messages. Returns 0 if successful,
+ * otherwise an OFPERR_* number.
+ *
+ * See the definition of OFP11_MAX for an explanation of the mapping. */
+enum ofperr
+ofputil_port_from_ofp11(ovs_be32 ofp11_port, uint16_t *ofp10_port)
+{
+ uint32_t ofp11_port_h = ntohl(ofp11_port);
+
+ if (ofp11_port_h < OFPP_MAX) {
+ *ofp10_port = ofp11_port_h;
+ return 0;
+ } else if (ofp11_port_h >= OFPP11_MAX) {
+ *ofp10_port = ofp11_port_h - OFPP11_OFFSET;
+ return 0;
+ } else {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "port %"PRIu32" is outside the supported "
+ "range 0 through %d or 0x%"PRIx32" through 0x%"PRIx32,
+ ofp11_port_h, OFPP_MAX - 1,
+ (uint32_t) OFPP11_MAX, UINT32_MAX);
+ return OFPERR_OFPBAC_BAD_OUT_PORT;
+ }
+}
+
+/* Returns the OpenFlow 1.1+ port number equivalent to the OpenFlow 1.0 port
+ * number 'ofp10_port', for encoding OpenFlow 1.1+ protocol messages.
+ *
+ * See the definition of OFP11_MAX for an explanation of the mapping. */
+ovs_be32
+ofputil_port_to_ofp11(uint16_t ofp10_port)
+{
+ return htonl(ofp10_port < OFPP_MAX
+ ? ofp10_port
+ : ofp10_port + OFPP11_OFFSET);
+}
+
/* Checks that 'port' is a valid output port for the OFPAT_OUTPUT action, given
* that the switch will never have more than 'max_ports' ports. Returns 0 if
* 'port' is valid, otherwise an OpenFlow return code. */
error = learn_check((const struct nx_action_learn *) a, flow);
break;
+ case OFPUTIL_NXAST_CONTROLLER:
+ if (((const struct nx_action_controller *) a)->zero) {
+ error = OFPERR_NXBAC_MUST_BE_ZERO;
+ }
+ break;
+
case OFPUTIL_OFPAT_STRIP_VLAN:
case OFPUTIL_OFPAT_SET_NW_SRC:
case OFPUTIL_OFPAT_SET_NW_DST:
* example, Open vSwitch does not understand SCTP, an L4 protocol, so the
* L4 fields tp_src and tp_dst must be wildcarded if 'rule' specifies an
* SCTP flow.
- *
- * 'flow_format' specifies the format of the flow as received or as intended to
- * be sent. This is important for IPv6 and ARP, for which NXM supports more
- * detailed matching. */
+ */
void
-ofputil_normalize_rule(struct cls_rule *rule, enum nx_flow_format flow_format)
+ofputil_normalize_rule(struct cls_rule *rule)
{
enum {
MAY_NW_ADDR = 1 << 0, /* nw_src, nw_dst */
rule->flow.nw_proto == IPPROTO_ICMP) {
may_match |= MAY_TP_ADDR;
}
- } else if (rule->flow.dl_type == htons(ETH_TYPE_IPV6)
- && flow_format == NXFF_NXM) {
+ } else if (rule->flow.dl_type == htons(ETH_TYPE_IPV6)) {
may_match = MAY_NW_PROTO | MAY_IPVx | MAY_IPV6;
if (rule->flow.nw_proto == IPPROTO_TCP ||
rule->flow.nw_proto == IPPROTO_UDP) {
}
}
} else if (rule->flow.dl_type == htons(ETH_TYPE_ARP)) {
- may_match = MAY_NW_PROTO | MAY_NW_ADDR;
- if (flow_format == NXFF_NXM) {
- may_match |= MAY_ARP_SHA | MAY_ARP_THA;
- }
+ may_match = MAY_NW_PROTO | MAY_NW_ADDR | MAY_ARP_SHA | MAY_ARP_THA;
} else {
may_match = 0;
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff