#include <config.h>
#include "ofp-print.h"
+#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <sys/types.h>
void
ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *wc)
{
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 17);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 18);
/* Initialize most of wc. */
flow_wildcards_init_catchall(wc);
uint32_t ofpfw = ntohl(ofmatch->wildcards) & OFPFW10_ALL;
/* Initialize match->wc. */
- memset(match->flow.zeros, 0, sizeof match->flow.zeros);
+ memset(&match->flow, 0, sizeof match->flow);
ofputil_wildcard_from_ofpfw10(ofpfw, &match->wc);
/* Initialize most of match->flow. */
uint16_t wc = ntohl(ofmatch->wildcards);
uint8_t dl_src_mask[ETH_ADDR_LEN];
uint8_t dl_dst_mask[ETH_ADDR_LEN];
- bool ipv4, arp;
+ bool ipv4, arp, rarp;
int i;
match_init_catchall(match);
ipv4 = match->flow.dl_type == htons(ETH_TYPE_IP);
arp = match->flow.dl_type == htons(ETH_TYPE_ARP);
+ rarp = match->flow.dl_type == htons(ETH_TYPE_RARP);
if (ipv4 && !(wc & OFPFW11_NW_TOS)) {
if (ofmatch->nw_tos & ~IP_DSCP_MASK) {
match_set_nw_dscp(match, ofmatch->nw_tos);
}
- if (ipv4 || arp) {
+ if (ipv4 || arp || rarp) {
if (!(wc & OFPFW11_NW_PROTO)) {
match_set_nw_proto(match, ofmatch->nw_proto);
}
/* 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" },
+ { OFPUTIL_P_ANY, "any" },
+ { OFPUTIL_P_OF10_STD_ANY, "OpenFlow10" },
+ { OFPUTIL_P_OF10_NXM_ANY, "NXM" },
};
#define N_PROTO_ABBREVS ARRAY_SIZE(proto_abbrevs)
enum ofputil_protocol ofputil_flow_dump_protocols[] = {
- OFPUTIL_P_NXM,
- OFPUTIL_P_OF10,
+ OFPUTIL_P_OF12_OXM,
+ OFPUTIL_P_OF10_NXM,
+ OFPUTIL_P_OF10_STD,
};
size_t ofputil_n_flow_dump_protocols = ARRAY_SIZE(ofputil_flow_dump_protocols);
{
switch (version) {
case OFP10_VERSION:
- return OFPUTIL_P_OF10;
+ return OFPUTIL_P_OF10_STD;
case OFP12_VERSION:
- return OFPUTIL_P_OF12;
+ return OFPUTIL_P_OF12_OXM;
case OFP11_VERSION:
default:
return 0;
ofputil_protocol_to_ofp_version(enum ofputil_protocol protocol)
{
switch (protocol) {
- case OFPUTIL_P_OF10:
- case OFPUTIL_P_OF10_TID:
- case OFPUTIL_P_NXM:
- case OFPUTIL_P_NXM_TID:
+ case OFPUTIL_P_OF10_STD:
+ case OFPUTIL_P_OF10_STD_TID:
+ case OFPUTIL_P_OF10_NXM:
+ case OFPUTIL_P_OF10_NXM_TID:
return OFP10_VERSION;
- case OFPUTIL_P_OF12:
+ case OFPUTIL_P_OF12_OXM:
return OFP12_VERSION;
}
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_OF10_STD:
+ case OFPUTIL_P_OF10_STD_TID:
+ return enable ? OFPUTIL_P_OF10_STD_TID : OFPUTIL_P_OF10_STD;
- case OFPUTIL_P_NXM:
- case OFPUTIL_P_NXM_TID:
- return enable ? OFPUTIL_P_NXM_TID : OFPUTIL_P_NXM;
+ case OFPUTIL_P_OF10_NXM:
+ case OFPUTIL_P_OF10_NXM_TID:
+ return enable ? OFPUTIL_P_OF10_NXM_TID : OFPUTIL_P_OF10_NXM;
- case OFPUTIL_P_OF12:
- return OFPUTIL_P_OF12;
+ case OFPUTIL_P_OF12_OXM:
+ return OFPUTIL_P_OF12_OXM;
default:
NOT_REACHED();
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_OF10_STD:
+ case OFPUTIL_P_OF10_STD_TID:
+ return ofputil_protocol_set_tid(OFPUTIL_P_OF10_STD, tid);
- case OFPUTIL_P_NXM:
- case OFPUTIL_P_NXM_TID:
- return ofputil_protocol_set_tid(OFPUTIL_P_NXM, tid);
+ case OFPUTIL_P_OF10_NXM:
+ case OFPUTIL_P_OF10_NXM_TID:
+ return ofputil_protocol_set_tid(OFPUTIL_P_OF10_NXM, tid);
- case OFPUTIL_P_OF12:
- return ofputil_protocol_set_tid(OFPUTIL_P_OF12, tid);
+ case OFPUTIL_P_OF12_OXM:
+ return ofputil_protocol_set_tid(OFPUTIL_P_OF12_OXM, tid);
default:
NOT_REACHED();
/* 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:
+ case OFPUTIL_P_OF10_NXM:
return "NXM-table_id";
- case OFPUTIL_P_NXM_TID:
+ case OFPUTIL_P_OF10_NXM_TID:
return "NXM+table_id";
- case OFPUTIL_P_OF10:
+ case OFPUTIL_P_OF10_STD:
return "OpenFlow10-table_id";
- case OFPUTIL_P_OF10_TID:
+ case OFPUTIL_P_OF10_STD_TID:
return "OpenFlow10+table_id";
- case OFPUTIL_P_OF12:
- return NULL;
+ case OFPUTIL_P_OF12_OXM:
+ return "OXM";
}
/* Check abbreviations. */
return protocols;
}
+static int
+ofputil_version_from_string(const char *s)
+{
+ if (!strcasecmp(s, "OpenFlow10")) {
+ return OFP10_VERSION;
+ }
+ if (!strcasecmp(s, "OpenFlow11")) {
+ return OFP11_VERSION;
+ }
+ if (!strcasecmp(s, "OpenFlow12")) {
+ return OFP12_VERSION;
+ }
+ return 0;
+}
+
+static bool
+is_delimiter(char c)
+{
+ return isspace(c) || c == ',';
+}
+
+uint32_t
+ofputil_versions_from_string(const char *s)
+{
+ size_t i = 0;
+ uint32_t bitmap = 0;
+
+ while (s[i]) {
+ size_t j;
+ int version;
+ char *key;
+
+ if (is_delimiter(s[i])) {
+ i++;
+ continue;
+ }
+ j = 0;
+ while (s[i + j] && !is_delimiter(s[i + j])) {
+ j++;
+ }
+ key = xmemdup0(s + i, j);
+ version = ofputil_version_from_string(key);
+ if (!version) {
+ VLOG_FATAL("Unknown OpenFlow version: \"%s\"", key);
+ }
+ free(key);
+ bitmap |= 1u << version;
+ i += j;
+ }
+
+ return bitmap;
+}
+
+uint32_t
+ofputil_versions_from_strings(char ** const s, size_t count)
+{
+ uint32_t bitmap = 0;
+
+ while (count--) {
+ int version = ofputil_version_from_string(s[count]);
+ if (!version) {
+ VLOG_WARN("Unknown OpenFlow version: \"%s\"", s[count]);
+ } else {
+ bitmap |= 1u << version;
+ }
+ }
+
+ return bitmap;
+}
+
+const char *
+ofputil_version_to_string(enum ofp_version ofp_version)
+{
+ switch (ofp_version) {
+ case OFP10_VERSION:
+ return "OpenFlow10";
+ case OFP11_VERSION:
+ return "OpenFlow11";
+ case OFP12_VERSION:
+ return "OpenFlow12";
+ default:
+ NOT_REACHED();
+ }
+}
+
bool
ofputil_packet_in_format_is_valid(enum nx_packet_in_format packet_in_format)
{
return true;
}
+static bool
+tun_parms_fully_wildcarded(const struct flow_wildcards *wc)
+{
+ return (!wc->masks.tunnel.ip_src &&
+ !wc->masks.tunnel.ip_dst &&
+ !wc->masks.tunnel.ip_ttl &&
+ !wc->masks.tunnel.ip_tos &&
+ !wc->masks.tunnel.flags);
+}
+
/* Returns a bit-mask of ofputil_protocols that can be used for sending 'match'
* 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
{
const struct flow_wildcards *wc = &match->wc;
- BUILD_ASSERT_DECL(FLOW_WC_SEQ == 17);
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 18);
+
+ /* tunnel params other than tun_id can't be sent in a flow_mod */
+ if (!tun_parms_fully_wildcarded(wc)) {
+ return OFPUTIL_P_NONE;
+ }
- /* NXM and OF1.1+ supports bitwise matching on ethernet addresses. */
+ /* NXM, OXM, and OF1.1 support bitwise matching on ethernet addresses. */
if (!eth_mask_is_exact(wc->masks.dl_src)
&& !eth_addr_is_zero(wc->masks.dl_src)) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
if (!eth_mask_is_exact(wc->masks.dl_dst)
&& !eth_addr_is_zero(wc->masks.dl_dst)) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* NXM and OF1.1+ support matching metadata. */
+ /* NXM, OXM, and OF1.1+ support matching metadata. */
if (wc->masks.metadata != htonll(0)) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching ARP hardware addresses. */
+ /* NXM and OXM support matching ARP hardware addresses. */
if (!eth_addr_is_zero(wc->masks.arp_sha) ||
!eth_addr_is_zero(wc->masks.arp_tha)) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching IPv6 traffic. */
+ /* NXM and OXM support matching IPv6 traffic. */
if (match->flow.dl_type == htons(ETH_TYPE_IPV6)) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching registers. */
+ /* NXM and OXM support matching registers. */
if (!regs_fully_wildcarded(wc)) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching tun_id. */
- if (wc->masks.tun_id != htonll(0)) {
- return OFPUTIL_P_NXM_ANY;
+ /* NXM and OXM support matching tun_id. */
+ if (wc->masks.tunnel.tun_id != htonll(0)) {
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching fragments. */
+ /* NXM and OXM support matching fragments. */
if (wc->masks.nw_frag) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching IPv6 flow label. */
+ /* NXM and OXM support matching IPv6 flow label. */
if (wc->masks.ipv6_label) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching IP ECN bits. */
+ /* NXM and OXM support matching IP ECN bits. */
if (wc->masks.nw_tos & IP_ECN_MASK) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports matching IP TTL/hop limit. */
+ /* NXM and OXM support matching IP TTL/hop limit. */
if (wc->masks.nw_ttl) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports non-CIDR IPv4 address masks. */
+ /* NXM and OXM support non-CIDR IPv4 address masks. */
if (!ip_is_cidr(wc->masks.nw_src) || !ip_is_cidr(wc->masks.nw_dst)) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
- /* Only NXM supports bitwise matching on transport port. */
+ /* NXM and OXM support bitwise matching on transport port. */
if ((wc->masks.tp_src && wc->masks.tp_src != htons(UINT16_MAX)) ||
(wc->masks.tp_dst && wc->masks.tp_dst != htons(UINT16_MAX))) {
- return OFPUTIL_P_NXM_ANY;
+ return OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
/* Other formats can express this rule. */
return OFPUTIL_P_ANY;
}
+void
+ofputil_format_version(struct ds *msg, enum ofp_version version)
+{
+ ds_put_format(msg, "0x%02x", version);
+}
+
+void
+ofputil_format_version_name(struct ds *msg, enum ofp_version version)
+{
+ ds_put_cstr(msg, ofputil_version_to_string(version));
+}
+
+static void
+ofputil_format_version_bitmap__(struct ds *msg, uint32_t bitmap,
+ void (*format_version)(struct ds *msg,
+ enum ofp_version))
+{
+ while (bitmap) {
+ format_version(msg, raw_ctz(bitmap));
+ bitmap = zero_rightmost_1bit(bitmap);
+ if (bitmap) {
+ ds_put_cstr(msg, ", ");
+ }
+ }
+}
+
+void
+ofputil_format_version_bitmap(struct ds *msg, uint32_t bitmap)
+{
+ ofputil_format_version_bitmap__(msg, bitmap, ofputil_format_version);
+}
+
+void
+ofputil_format_version_bitmap_names(struct ds *msg, uint32_t bitmap)
+{
+ ofputil_format_version_bitmap__(msg, bitmap, ofputil_format_version_name);
+}
+
+static bool
+ofputil_decode_hello_bitmap(const struct ofp_hello_elem_header *oheh,
+ uint32_t *allowed_versionsp)
+{
+ uint16_t bitmap_len = ntohs(oheh->length) - sizeof *oheh;
+ const ovs_be32 *bitmap = (const ovs_be32 *) (oheh + 1);
+ uint32_t allowed_versions;
+
+ if (!bitmap_len || bitmap_len % sizeof *bitmap) {
+ return false;
+ }
+
+ /* Only use the first 32-bit element of the bitmap as that is all the
+ * current implementation supports. Subsequent elements are ignored which
+ * should have no effect on session negotiation until Open vSwtich supports
+ * wire-protocol versions greater than 31.
+ */
+ allowed_versions = ntohl(bitmap[0]);
+
+ if (allowed_versions & 1) {
+ /* There's no OpenFlow version 0. */
+ VLOG_WARN_RL(&bad_ofmsg_rl, "peer claims to support invalid OpenFlow "
+ "version 0x00");
+ allowed_versions &= ~1u;
+ }
+
+ if (!allowed_versions) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "peer does not support any OpenFlow "
+ "version (between 0x01 and 0x1f)");
+ return false;
+ }
+
+ *allowed_versionsp = allowed_versions;
+ return true;
+}
+
+static uint32_t
+version_bitmap_from_version(uint8_t ofp_version)
+{
+ return ((ofp_version < 32 ? 1u << ofp_version : 0) - 1) << 1;
+}
+
+/* Decodes OpenFlow OFPT_HELLO message 'oh', storing into '*allowed_versions'
+ * the set of OpenFlow versions for which 'oh' announces support.
+ *
+ * Because of how OpenFlow defines OFPT_HELLO messages, this function is always
+ * successful, and thus '*allowed_versions' is always initialized. However, it
+ * returns false if 'oh' contains some data that could not be fully understood,
+ * true if 'oh' was completely parsed. */
+bool
+ofputil_decode_hello(const struct ofp_header *oh, uint32_t *allowed_versions)
+{
+ struct ofpbuf msg;
+ bool ok = true;
+
+ ofpbuf_use_const(&msg, oh, ntohs(oh->length));
+ ofpbuf_pull(&msg, sizeof *oh);
+
+ *allowed_versions = version_bitmap_from_version(oh->version);
+ while (msg.size) {
+ const struct ofp_hello_elem_header *oheh;
+ unsigned int len;
+
+ if (msg.size < sizeof *oheh) {
+ return false;
+ }
+
+ oheh = msg.data;
+ len = ntohs(oheh->length);
+ if (len < sizeof *oheh || !ofpbuf_try_pull(&msg, ROUND_UP(len, 8))) {
+ return false;
+ }
+
+ if (oheh->type != htons(OFPHET_VERSIONBITMAP)
+ || !ofputil_decode_hello_bitmap(oheh, allowed_versions)) {
+ ok = false;
+ }
+ }
+
+ return ok;
+}
+
+/* Returns true if 'allowed_versions' needs to be accompanied by a version
+ * bitmap to be correctly expressed in an OFPT_HELLO message. */
+static inline bool
+should_send_version_bitmap(uint32_t allowed_versions)
+{
+ return !is_pow2((allowed_versions >> 1) + 1);
+}
+
+/* Create an OFPT_HELLO message that expresses support for the OpenFlow
+ * versions in the 'allowed_versions' bitmaps and returns the message. */
+struct ofpbuf *
+ofputil_encode_hello(uint32_t allowed_versions)
+{
+ enum ofp_version ofp_version;
+ struct ofpbuf *msg;
+
+ ofp_version = leftmost_1bit_idx(allowed_versions);
+ msg = ofpraw_alloc(OFPRAW_OFPT_HELLO, ofp_version, 0);
+
+ if (should_send_version_bitmap(allowed_versions)) {
+ struct ofp_hello_elem_header *oheh;
+ uint16_t map_len;
+
+ map_len = sizeof allowed_versions;
+ oheh = ofpbuf_put_zeros(msg, ROUND_UP(map_len + sizeof *oheh, 8));
+ oheh->type = htons(OFPHET_VERSIONBITMAP);
+ oheh->length = htons(map_len + sizeof *oheh);
+ *(ovs_be32 *)(oheh + 1) = htonl(allowed_versions);
+
+ ofpmsg_update_length(msg);
+ }
+
+ return msg;
+}
+
/* 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'. */
+ * If 'current == want', or if it is not possible to transition from 'current'
+ * to 'want' (because, for example, 'current' and 'want' use different OpenFlow
+ * protocol versions), returns NULL and stores 'current' in '*next'. */
struct ofpbuf *
ofputil_encode_set_protocol(enum ofputil_protocol current,
enum ofputil_protocol want,
enum ofputil_protocol *next)
{
+ enum ofp_version cur_version, want_version;
enum ofputil_protocol cur_base, want_base;
bool cur_tid, want_tid;
+ cur_version = ofputil_protocol_to_ofp_version(current);
+ want_version = ofputil_protocol_to_ofp_version(want);
+ if (cur_version != want_version) {
+ *next = current;
+ return NULL;
+ }
+
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:
+ case OFPUTIL_P_OF10_NXM:
return ofputil_encode_nx_set_flow_format(NXFF_NXM);
- case OFPUTIL_P_OF10:
+ case OFPUTIL_P_OF10_STD:
return ofputil_encode_nx_set_flow_format(NXFF_OPENFLOW10);
- case OFPUTIL_P_OF12:
- return ofputil_encode_nx_set_flow_format(NXFF_OPENFLOW12);
+ case OFPUTIL_P_OF12_OXM:
+ /* There's only one OpenFlow 1.2 protocol and we already verified
+ * above that we're not trying to change versions. */
+ NOT_REACHED();
- case OFPUTIL_P_OF10_TID:
- case OFPUTIL_P_NXM_TID:
+ case OFPUTIL_P_OF10_STD_TID:
+ case OFPUTIL_P_OF10_NXM_TID:
NOT_REACHED();
}
}
{
switch (flow_format) {
case NXFF_OPENFLOW10:
- return OFPUTIL_P_OF10;
+ return OFPUTIL_P_OF10_STD;
case NXFF_NXM:
- return OFPUTIL_P_NXM;
-
- case NXFF_OPENFLOW12:
- return OFPUTIL_P_OF12;
+ return OFPUTIL_P_OF10_NXM;
default:
return 0;
return "openflow10";
case NXFF_NXM:
return "nxm";
- case NXFF_OPENFLOW12:
- return "openflow12";
default:
NOT_REACHED();
}
}
struct ofpbuf *
-ofputil_make_set_packet_in_format(enum nx_packet_in_format packet_in_format)
+ofputil_make_set_packet_in_format(enum ofp_version ofp_version,
+ enum nx_packet_in_format packet_in_format)
{
struct nx_set_packet_in_format *spif;
struct ofpbuf *msg;
- msg = ofpraw_alloc(OFPRAW_NXT_SET_PACKET_IN_FORMAT, OFP10_VERSION, 0);
+ msg = ofpraw_alloc(OFPRAW_NXT_SET_PACKET_IN_FORMAT, ofp_version, 0);
spif = ofpbuf_put_zeros(msg, sizeof *spif);
spif->format = htonl(packet_in_format);
fm->cookie_mask = htonll(0);
fm->new_cookie = ofm->cookie;
} else {
- /* XXX */
fm->cookie = ofm->cookie;
fm->cookie_mask = ofm->cookie_mask;
fm->new_cookie = htonll(UINT64_MAX);
struct ofpbuf *msg;
switch (protocol) {
- case OFPUTIL_P_OF12: {
+ case OFPUTIL_P_OF12_OXM: {
struct ofp11_flow_mod *ofm;
msg = ofpraw_alloc(OFPRAW_OFPT11_FLOW_MOD, OFP12_VERSION,
NXM_TYPICAL_LEN + fm->ofpacts_len);
ofm = ofpbuf_put_zeros(msg, sizeof *ofm);
- ofm->cookie = fm->new_cookie;
+ if (fm->command == OFPFC_ADD) {
+ ofm->cookie = fm->new_cookie;
+ } else {
+ ofm->cookie = fm->cookie;
+ }
ofm->cookie_mask = fm->cookie_mask;
ofm->table_id = fm->table_id;
ofm->command = fm->command;
break;
}
- case OFPUTIL_P_OF10:
- case OFPUTIL_P_OF10_TID: {
+ case OFPUTIL_P_OF10_STD:
+ case OFPUTIL_P_OF10_STD_TID: {
struct ofp10_flow_mod *ofm;
msg = ofpraw_alloc(OFPRAW_OFPT10_FLOW_MOD, OFP10_VERSION,
break;
}
- case OFPUTIL_P_NXM:
- case OFPUTIL_P_NXM_TID: {
+ case OFPUTIL_P_OF10_NXM:
+ case OFPUTIL_P_OF10_NXM_TID: {
struct nx_flow_mod *nfm;
int match_len;
usable_protocols &= OFPUTIL_P_TID;
}
- /* Matching of the cookie is only supported through NXM. */
+ /* Matching of the cookie is only supported through NXM or OF1.1+. */
if (fm->cookie_mask != htonll(0)) {
- usable_protocols &= OFPUTIL_P_NXM_ANY;
+ usable_protocols &= OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
}
- assert(usable_protocols);
return usable_protocols;
}
enum ofpraw raw;
switch (protocol) {
- case OFPUTIL_P_OF12: {
+ case OFPUTIL_P_OF12_OXM: {
struct ofp11_flow_stats_request *ofsr;
raw = (fsr->aggregate
break;
}
- case OFPUTIL_P_OF10:
- case OFPUTIL_P_OF10_TID: {
+ case OFPUTIL_P_OF10_STD:
+ case OFPUTIL_P_OF10_STD_TID: {
struct ofp10_flow_stats_request *ofsr;
raw = (fsr->aggregate
break;
}
- case OFPUTIL_P_NXM:
- case OFPUTIL_P_NXM_TID: {
+ case OFPUTIL_P_OF10_NXM:
+ case OFPUTIL_P_OF10_NXM_TID: {
struct nx_flow_stats_request *nfsr;
int match_len;
usable_protocols = ofputil_usable_protocols(&fsr->match);
if (fsr->cookie_mask != htonll(0)) {
- usable_protocols &= OFPUTIL_P_NXM_ANY;
+ usable_protocols &= OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
return usable_protocols;
}
fr->priority = ntohs(ofr->priority);
fr->cookie = ofr->cookie;
fr->reason = ofr->reason;
- /* XXX: ofr->table_id is ignored */
+ fr->table_id = ofr->table_id;
fr->duration_sec = ntohl(ofr->duration_sec);
fr->duration_nsec = ntohl(ofr->duration_nsec);
fr->idle_timeout = ntohs(ofr->idle_timeout);
fr->priority = ntohs(ofr->priority);
fr->cookie = ofr->cookie;
fr->reason = ofr->reason;
+ fr->table_id = 255;
fr->duration_sec = ntohl(ofr->duration_sec);
fr->duration_nsec = ntohl(ofr->duration_nsec);
fr->idle_timeout = ntohs(ofr->idle_timeout);
fr->byte_count = ntohll(ofr->byte_count);
} else if (raw == OFPRAW_NXT_FLOW_REMOVED) {
struct nx_flow_removed *nfr;
- int error;
+ enum ofperr error;
nfr = ofpbuf_pull(&b, sizeof *nfr);
error = nx_pull_match(&b, ntohs(nfr->match_len), &fr->match,
fr->priority = ntohs(nfr->priority);
fr->cookie = nfr->cookie;
fr->reason = nfr->reason;
+ fr->table_id = 255;
fr->duration_sec = ntohl(nfr->duration_sec);
fr->duration_nsec = ntohl(nfr->duration_nsec);
fr->idle_timeout = ntohs(nfr->idle_timeout);
struct ofpbuf *msg;
switch (protocol) {
- case OFPUTIL_P_OF12: {
+ case OFPUTIL_P_OF12_OXM: {
struct ofp12_flow_removed *ofr;
msg = ofpraw_alloc_xid(OFPRAW_OFPT11_FLOW_REMOVED,
ofr->cookie = fr->cookie;
ofr->priority = htons(fr->priority);
ofr->reason = fr->reason;
- ofr->table_id = 0;
+ ofr->table_id = fr->table_id;
ofr->duration_sec = htonl(fr->duration_sec);
ofr->duration_nsec = htonl(fr->duration_nsec);
ofr->idle_timeout = htons(fr->idle_timeout);
break;
}
- case OFPUTIL_P_OF10:
- case OFPUTIL_P_OF10_TID: {
+ case OFPUTIL_P_OF10_STD:
+ case OFPUTIL_P_OF10_STD_TID: {
struct ofp_flow_removed *ofr;
msg = ofpraw_alloc_xid(OFPRAW_OFPT10_FLOW_REMOVED, OFP10_VERSION,
break;
}
- case OFPUTIL_P_NXM:
- case OFPUTIL_P_NXM_TID: {
+ case OFPUTIL_P_OF10_NXM:
+ case OFPUTIL_P_OF10_NXM_TID: {
struct nx_flow_removed *nfr;
int match_len;
pin->packet_len = b->size;
pin->fmd.in_port = match->flow.in_port;
- pin->fmd.tun_id = match->flow.tun_id;
+ pin->fmd.tun_id = match->flow.tunnel.tun_id;
pin->fmd.metadata = match->flow.metadata;
memcpy(pin->fmd.regs, match->flow.regs, sizeof pin->fmd.regs);
}
struct ofpbuf *packet;
/* Add OFPT_PACKET_IN. */
- if (protocol == OFPUTIL_P_OF12) {
+ if (protocol == OFPUTIL_P_OF12_OXM) {
struct ofp12_packet_in *opi;
struct match match;
const struct ofp_header *oh,
struct ofpbuf *ofpacts)
{
- enum ofperr bad_in_port_err;
enum ofpraw raw;
struct ofpbuf b;
if (error) {
return error;
}
-
- bad_in_port_err = OFPERR_OFPBMC_BAD_VALUE;
} else if (raw == OFPRAW_OFPT10_PACKET_OUT) {
enum ofperr error;
const struct ofp_packet_out *opo = ofpbuf_pull(&b, sizeof *opo);
if (error) {
return error;
}
-
- bad_in_port_err = OFPERR_NXBRC_BAD_IN_PORT;
} else {
NOT_REACHED();
}
&& po->in_port != OFPP_NONE && po->in_port != OFPP_CONTROLLER) {
VLOG_WARN_RL(&bad_ofmsg_rl, "packet-out has bad input port %#"PRIx16,
po->in_port);
- return bad_in_port_err;
+ return OFPERR_OFPBRC_BAD_PORT;
}
po->ofpacts = ofpacts->data;
pp->supported = netdev_port_features_from_ofp10(opp->supported);
pp->peer = netdev_port_features_from_ofp10(opp->peer);
- pp->curr_speed = netdev_features_to_bps(pp->curr) / 1000;
- pp->max_speed = netdev_features_to_bps(pp->supported) / 1000;
+ pp->curr_speed = netdev_features_to_bps(pp->curr, 0) / 1000;
+ pp->max_speed = netdev_features_to_bps(pp->supported, 0) / 1000;
return 0;
}
return b;
}
\f
+/* Table stats. */
+
+static void
+ofputil_put_ofp10_table_stats(const struct ofp12_table_stats *in,
+ struct ofpbuf *buf)
+{
+ struct wc_map {
+ enum ofp_flow_wildcards wc10;
+ enum oxm12_ofb_match_fields mf12;
+ };
+
+ static const struct wc_map wc_map[] = {
+ { OFPFW10_IN_PORT, OFPXMT12_OFB_IN_PORT },
+ { OFPFW10_DL_VLAN, OFPXMT12_OFB_VLAN_VID },
+ { OFPFW10_DL_SRC, OFPXMT12_OFB_ETH_SRC },
+ { OFPFW10_DL_DST, OFPXMT12_OFB_ETH_DST},
+ { OFPFW10_DL_TYPE, OFPXMT12_OFB_ETH_TYPE },
+ { OFPFW10_NW_PROTO, OFPXMT12_OFB_IP_PROTO },
+ { OFPFW10_TP_SRC, OFPXMT12_OFB_TCP_SRC },
+ { OFPFW10_TP_DST, OFPXMT12_OFB_TCP_DST },
+ { OFPFW10_NW_SRC_MASK, OFPXMT12_OFB_IPV4_SRC },
+ { OFPFW10_NW_DST_MASK, OFPXMT12_OFB_IPV4_DST },
+ { OFPFW10_DL_VLAN_PCP, OFPXMT12_OFB_VLAN_PCP },
+ { OFPFW10_NW_TOS, OFPXMT12_OFB_IP_DSCP },
+ };
+
+ struct ofp10_table_stats *out;
+ const struct wc_map *p;
+
+ out = ofpbuf_put_uninit(buf, sizeof *out);
+ out->table_id = in->table_id;
+ strcpy(out->name, in->name);
+ out->wildcards = 0;
+ for (p = wc_map; p < &wc_map[ARRAY_SIZE(wc_map)]; p++) {
+ if (in->wildcards & htonll(1ULL << p->mf12)) {
+ out->wildcards |= htonl(p->wc10);
+ }
+ }
+ out->max_entries = in->max_entries;
+ out->active_count = in->active_count;
+ put_32aligned_be64(&out->lookup_count, in->lookup_count);
+ put_32aligned_be64(&out->matched_count, in->matched_count);
+}
+
+static ovs_be32
+oxm12_to_ofp11_flow_match_fields(ovs_be64 oxm12)
+{
+ struct map {
+ enum ofp11_flow_match_fields fmf11;
+ enum oxm12_ofb_match_fields mf12;
+ };
+
+ static const struct map map[] = {
+ { OFPFMF11_IN_PORT, OFPXMT12_OFB_IN_PORT },
+ { OFPFMF11_DL_VLAN, OFPXMT12_OFB_VLAN_VID },
+ { OFPFMF11_DL_VLAN_PCP, OFPXMT12_OFB_VLAN_PCP },
+ { OFPFMF11_DL_TYPE, OFPXMT12_OFB_ETH_TYPE },
+ { OFPFMF11_NW_TOS, OFPXMT12_OFB_IP_DSCP },
+ { OFPFMF11_NW_PROTO, OFPXMT12_OFB_IP_PROTO },
+ { OFPFMF11_TP_SRC, OFPXMT12_OFB_TCP_SRC },
+ { OFPFMF11_TP_DST, OFPXMT12_OFB_TCP_DST },
+ { OFPFMF11_MPLS_LABEL, OFPXMT12_OFB_MPLS_LABEL },
+ { OFPFMF11_MPLS_TC, OFPXMT12_OFB_MPLS_TC },
+ /* I don't know what OFPFMF11_TYPE means. */
+ { OFPFMF11_DL_SRC, OFPXMT12_OFB_ETH_SRC },
+ { OFPFMF11_DL_DST, OFPXMT12_OFB_ETH_DST },
+ { OFPFMF11_NW_SRC, OFPXMT12_OFB_IPV4_SRC },
+ { OFPFMF11_NW_DST, OFPXMT12_OFB_IPV4_DST },
+ { OFPFMF11_METADATA, OFPXMT12_OFB_METADATA },
+ };
+
+ const struct map *p;
+ uint32_t fmf11;
+
+ fmf11 = 0;
+ for (p = map; p < &map[ARRAY_SIZE(map)]; p++) {
+ if (oxm12 & htonll(1ULL << p->mf12)) {
+ fmf11 |= p->fmf11;
+ }
+ }
+ return htonl(fmf11);
+}
+
+static void
+ofputil_put_ofp11_table_stats(const struct ofp12_table_stats *in,
+ struct ofpbuf *buf)
+{
+ struct ofp11_table_stats *out;
+
+ out = ofpbuf_put_uninit(buf, sizeof *out);
+ out->table_id = in->table_id;
+ strcpy(out->name, in->name);
+ out->wildcards = oxm12_to_ofp11_flow_match_fields(in->wildcards);
+ out->match = oxm12_to_ofp11_flow_match_fields(in->match);
+ out->instructions = in->instructions;
+ out->write_actions = in->write_actions;
+ out->apply_actions = in->apply_actions;
+ out->config = in->config;
+ out->max_entries = in->max_entries;
+ out->active_count = in->active_count;
+ out->lookup_count = in->lookup_count;
+ out->matched_count = in->matched_count;
+}
+
+struct ofpbuf *
+ofputil_encode_table_stats_reply(const struct ofp12_table_stats stats[], int n,
+ const struct ofp_header *request)
+{
+ struct ofpbuf *reply;
+ int i;
+
+ reply = ofpraw_alloc_stats_reply(request, n * sizeof *stats);
+
+ switch ((enum ofp_version) request->version) {
+ case OFP10_VERSION:
+ for (i = 0; i < n; i++) {
+ ofputil_put_ofp10_table_stats(&stats[i], reply);
+ }
+ break;
+
+ case OFP11_VERSION:
+ for (i = 0; i < n; i++) {
+ ofputil_put_ofp11_table_stats(&stats[i], reply);
+ }
+ break;
+
+ case OFP12_VERSION:
+ ofpbuf_put(reply, stats, n * sizeof *stats);
+ break;
+
+ default:
+ NOT_REACHED();
+ }
+
+ return reply;
+}
+\f
/* ofputil_flow_monitor_request */
/* Converts an NXST_FLOW_MONITOR request in 'msg' into an abstract
OFPUTIL_NAMED_PORT(LOCAL) \
OFPUTIL_NAMED_PORT(NONE)
-/* Checks whether 's' is the string representation of an OpenFlow port number,
- * either as an integer or a string name (e.g. "LOCAL"). If it is, stores the
- * number in '*port' and returns true. Otherwise, returns false. */
+/* Stores the port number represented by 's' into '*portp'. 's' may be an
+ * integer or, for reserved ports, the standard OpenFlow name for the port
+ * (e.g. "LOCAL").
+ *
+ * Returns true if successful, false if 's' is not a valid OpenFlow port number
+ * or name. The caller should issue an error message in this case, because
+ * this function usually does not. (This gives the caller an opportunity to
+ * look up the port name another way, e.g. by contacting the switch and listing
+ * the names of all its ports).
+ *
+ * This function accepts OpenFlow 1.0 port numbers. It also accepts a subset
+ * of OpenFlow 1.1+ port numbers, mapping those port numbers into the 16-bit
+ * range as described in include/openflow/openflow-1.1.h. */
bool
-ofputil_port_from_string(const char *name, uint16_t *port)
+ofputil_port_from_string(const char *s, uint16_t *portp)
{
- struct pair {
- const char *name;
- uint16_t value;
- };
- static const struct pair pairs[] = {
-#define OFPUTIL_NAMED_PORT(NAME) {#NAME, OFPP_##NAME},
- OFPUTIL_NAMED_PORTS
-#undef OFPUTIL_NAMED_PORT
- };
- static const int n_pairs = ARRAY_SIZE(pairs);
- int i;
+ unsigned int port32;
- if (str_to_int(name, 0, &i) && i >= 0 && i < UINT16_MAX) {
- *port = i;
- return true;
- }
+ *portp = 0;
+ if (str_to_uint(s, 10, &port32)) {
+ if (port32 < OFPP_MAX) {
+ *portp = port32;
+ return true;
+ } else if (port32 < OFPP_FIRST_RESV) {
+ VLOG_WARN("port %u is a reserved OF1.0 port number that will "
+ "be translated to %u when talking to an OF1.1 or "
+ "later controller", port32, port32 + OFPP11_OFFSET);
+ *portp = port32;
+ return true;
+ } else if (port32 <= OFPP_LAST_RESV) {
+ struct ds s;
- for (i = 0; i < n_pairs; i++) {
- if (!strcasecmp(name, pairs[i].name)) {
- *port = pairs[i].value;
+ ds_init(&s);
+ ofputil_format_port(port32, &s);
+ VLOG_WARN_ONCE("referring to port %s as %u is deprecated for "
+ "compatibility with future versions of OpenFlow",
+ ds_cstr(&s), port32);
+ ds_destroy(&s);
+
+ *portp = port32;
+ return true;
+ } else if (port32 < OFPP11_MAX) {
+ VLOG_WARN("port %u is outside the supported range 0 through "
+ "%"PRIx16"or 0x%x through 0x%"PRIx32, port32,
+ UINT16_MAX, (unsigned int) OFPP11_MAX, UINT32_MAX);
+ return false;
+ } else {
+ *portp = port32 - OFPP11_OFFSET;
return true;
}
+ } else {
+ struct pair {
+ const char *name;
+ uint16_t value;
+ };
+ static const struct pair pairs[] = {
+#define OFPUTIL_NAMED_PORT(NAME) {#NAME, OFPP_##NAME},
+ OFPUTIL_NAMED_PORTS
+#undef OFPUTIL_NAMED_PORT
+ };
+ const struct pair *p;
+
+ for (p = pairs; p < &pairs[ARRAY_SIZE(pairs)]; p++) {
+ if (!strcasecmp(s, p->name)) {
+ *portp = p->value;
+ return true;
+ }
+ }
+ return false;
}
- return false;
}
/* Appends to 's' a string representation of the OpenFlow port number 'port'.
{
static const char *names[OFPUTIL_N_ACTIONS] = {
NULL,
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) NAME,
-#define OFPAT11_ACTION(ENUM, STRUCT, NAME) NAME,
-#define OFPAT12_ACTION(ENUM, STRUCT, NAME) NAME,
-#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
+#define OFPAT10_ACTION(ENUM, STRUCT, NAME) NAME,
+#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
+#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) NAME,
#include "ofp-util.def"
};
case OFPUTIL_ACTION_INVALID:
NOT_REACHED();
-#define OFPAT10_ACTION(ENUM, STRUCT, NAME) \
+#define OFPAT10_ACTION(ENUM, STRUCT, NAME) \
+ case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
+#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
-#define OFPAT11_ACTION OFPAT10_ACTION
-#define OFPAT12_ACTION OFPAT10_ACTION
#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
case OFPUTIL_##ENUM: return ofputil_put_##ENUM(buf);
#include "ofp-util.def"
ofputil_init_##ENUM(s); \
return s; \
}
-#define OFPAT11_ACTION OFPAT10_ACTION
-#define OFPAT12_ACTION OFPAT10_ACTION
+#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
+ OFPAT10_ACTION(ENUM, STRUCT, NAME)
#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \
void \
ofputil_init_##ENUM(struct STRUCT *s) \
may_match |= MAY_ND_TARGET | MAY_ARP_THA;
}
}
- } else if (match->flow.dl_type == htons(ETH_TYPE_ARP)) {
+ } else if (match->flow.dl_type == htons(ETH_TYPE_ARP) ||
+ match->flow.dl_type == htons(ETH_TYPE_RARP)) {
may_match = MAY_NW_PROTO | MAY_NW_ADDR | MAY_ARP_SHA | MAY_ARP_THA;
} else {
may_match = 0;
*valuep = value;
return true;
}
+
+/* Encode a dump ports request for 'port', the encoded message
+ * will be fore Open Flow version 'ofp_version'. Returns message
+ * as a struct ofpbuf. Returns encoded message on success, NULL on error */
+struct ofpbuf *
+ofputil_encode_dump_ports_request(enum ofp_version ofp_version, int16_t port)
+{
+ struct ofpbuf *request;
+
+ switch (ofp_version) {
+ case OFP10_VERSION: {
+ struct ofp10_port_stats_request *req;
+ request = ofpraw_alloc(OFPRAW_OFPST10_PORT_REQUEST, ofp_version, 0);
+ req = ofpbuf_put_zeros(request, sizeof *req);
+ req->port_no = htons(port);
+ break;
+ }
+ case OFP11_VERSION:
+ case OFP12_VERSION: {
+ struct ofp11_port_stats_request *req;
+ request = ofpraw_alloc(OFPRAW_OFPST11_PORT_REQUEST, ofp_version, 0);
+ req = ofpbuf_put_zeros(request, sizeof *req);
+ req->port_no = ofputil_port_to_ofp11(port);
+ break;
+ }
+ default:
+ NOT_REACHED();
+ }
+
+ return request;
+}
+
+static void
+ofputil_port_stats_to_ofp10(const struct ofputil_port_stats *ops,
+ struct ofp10_port_stats *ps10)
+{
+ ps10->port_no = htons(ops->port_no);
+ memset(ps10->pad, 0, sizeof ps10->pad);
+ put_32aligned_be64(&ps10->rx_packets, htonll(ops->stats.rx_packets));
+ put_32aligned_be64(&ps10->tx_packets, htonll(ops->stats.tx_packets));
+ put_32aligned_be64(&ps10->rx_bytes, htonll(ops->stats.rx_bytes));
+ put_32aligned_be64(&ps10->tx_bytes, htonll(ops->stats.tx_bytes));
+ put_32aligned_be64(&ps10->rx_dropped, htonll(ops->stats.rx_dropped));
+ put_32aligned_be64(&ps10->tx_dropped, htonll(ops->stats.tx_dropped));
+ put_32aligned_be64(&ps10->rx_errors, htonll(ops->stats.rx_errors));
+ put_32aligned_be64(&ps10->tx_errors, htonll(ops->stats.tx_errors));
+ put_32aligned_be64(&ps10->rx_frame_err, htonll(ops->stats.rx_frame_errors));
+ put_32aligned_be64(&ps10->rx_over_err, htonll(ops->stats.rx_over_errors));
+ put_32aligned_be64(&ps10->rx_crc_err, htonll(ops->stats.rx_crc_errors));
+ put_32aligned_be64(&ps10->collisions, htonll(ops->stats.collisions));
+}
+
+static void
+ofputil_port_stats_to_ofp11(const struct ofputil_port_stats *ops,
+ struct ofp11_port_stats *ps11)
+{
+ ps11->port_no = ofputil_port_to_ofp11(ops->port_no);
+ memset(ps11->pad, 0, sizeof ps11->pad);
+ ps11->rx_packets = htonll(ops->stats.rx_packets);
+ ps11->tx_packets = htonll(ops->stats.tx_packets);
+ ps11->rx_bytes = htonll(ops->stats.rx_bytes);
+ ps11->tx_bytes = htonll(ops->stats.tx_bytes);
+ ps11->rx_dropped = htonll(ops->stats.rx_dropped);
+ ps11->tx_dropped = htonll(ops->stats.tx_dropped);
+ ps11->rx_errors = htonll(ops->stats.rx_errors);
+ ps11->tx_errors = htonll(ops->stats.tx_errors);
+ ps11->rx_frame_err = htonll(ops->stats.rx_frame_errors);
+ ps11->rx_over_err = htonll(ops->stats.rx_over_errors);
+ ps11->rx_crc_err = htonll(ops->stats.rx_crc_errors);
+ ps11->collisions = htonll(ops->stats.collisions);
+}
+
+/* Encode a ports stat for 'ops' and append it to 'replies'. */
+void
+ofputil_append_port_stat(struct list *replies,
+ const struct ofputil_port_stats *ops)
+{
+ struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
+ struct ofp_header *oh = msg->data;
+
+ switch ((enum ofp_version)oh->version) {
+ case OFP12_VERSION:
+ case OFP11_VERSION: {
+ struct ofp11_port_stats *reply = ofpmp_append(replies, sizeof *reply);
+ ofputil_port_stats_to_ofp11(ops, reply);
+ break;
+ }
+
+ case OFP10_VERSION: {
+ struct ofp10_port_stats *reply = ofpmp_append(replies, sizeof *reply);
+ ofputil_port_stats_to_ofp10(ops, reply);
+ break;
+ }
+
+ default:
+ NOT_REACHED();
+ }
+}
+
+static enum ofperr
+ofputil_port_stats_from_ofp10(struct ofputil_port_stats *ops,
+ const struct ofp10_port_stats *ps10)
+{
+ memset(ops, 0, sizeof *ops);
+
+ ops->port_no = ntohs(ps10->port_no);
+ ops->stats.rx_packets = ntohll(get_32aligned_be64(&ps10->rx_packets));
+ ops->stats.tx_packets = ntohll(get_32aligned_be64(&ps10->tx_packets));
+ ops->stats.rx_bytes = ntohll(get_32aligned_be64(&ps10->rx_bytes));
+ ops->stats.tx_bytes = ntohll(get_32aligned_be64(&ps10->tx_bytes));
+ ops->stats.rx_dropped = ntohll(get_32aligned_be64(&ps10->rx_dropped));
+ ops->stats.tx_dropped = ntohll(get_32aligned_be64(&ps10->tx_dropped));
+ ops->stats.rx_errors = ntohll(get_32aligned_be64(&ps10->rx_errors));
+ ops->stats.tx_errors = ntohll(get_32aligned_be64(&ps10->tx_errors));
+ ops->stats.rx_frame_errors =
+ ntohll(get_32aligned_be64(&ps10->rx_frame_err));
+ ops->stats.rx_over_errors = ntohll(get_32aligned_be64(&ps10->rx_over_err));
+ ops->stats.rx_crc_errors = ntohll(get_32aligned_be64(&ps10->rx_crc_err));
+ ops->stats.collisions = ntohll(get_32aligned_be64(&ps10->collisions));
+
+ return 0;
+}
+
+static enum ofperr
+ofputil_port_stats_from_ofp11(struct ofputil_port_stats *ops,
+ const struct ofp11_port_stats *ps11)
+{
+ enum ofperr error;
+
+ memset(ops, 0, sizeof *ops);
+ error = ofputil_port_from_ofp11(ps11->port_no, &ops->port_no);
+ if (error) {
+ return error;
+ }
+
+ ops->stats.rx_packets = ntohll(ps11->rx_packets);
+ ops->stats.tx_packets = ntohll(ps11->tx_packets);
+ ops->stats.rx_bytes = ntohll(ps11->rx_bytes);
+ ops->stats.tx_bytes = ntohll(ps11->tx_bytes);
+ ops->stats.rx_dropped = ntohll(ps11->rx_dropped);
+ ops->stats.tx_dropped = ntohll(ps11->tx_dropped);
+ ops->stats.rx_errors = ntohll(ps11->rx_errors);
+ ops->stats.tx_errors = ntohll(ps11->tx_errors);
+ ops->stats.rx_frame_errors = ntohll(ps11->rx_frame_err);
+ ops->stats.rx_over_errors = ntohll(ps11->rx_over_err);
+ ops->stats.rx_crc_errors = ntohll(ps11->rx_crc_err);
+ ops->stats.collisions = ntohll(ps11->collisions);
+
+ return 0;
+}
+
+/* Returns the number of port stats elements in OFPTYPE_PORT_STATS_REPLY
+ * message 'oh'. */
+size_t
+ofputil_count_port_stats(const struct ofp_header *oh)
+{
+ struct ofpbuf b;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ ofpraw_pull_assert(&b);
+
+ BUILD_ASSERT(sizeof(struct ofp10_port_stats) ==
+ sizeof(struct ofp11_port_stats));
+ return b.size / sizeof(struct ofp10_port_stats);
+}
+
+/* Converts an OFPST_PORT_STATS reply in 'msg' into an abstract
+ * ofputil_port_stats in 'ps'.
+ *
+ * Multiple OFPST_PORT_STATS replies can be packed into a single OpenFlow
+ * message. Calling this function multiple times for a single 'msg' iterates
+ * through the replies. The caller must initially leave 'msg''s layer pointers
+ * null and not modify them between calls.
+ *
+ * Returns 0 if successful, EOF if no replies were left in this 'msg',
+ * otherwise a positive errno value. */
+int
+ofputil_decode_port_stats(struct ofputil_port_stats *ps, struct ofpbuf *msg)
+{
+ enum ofperr error;
+ enum ofpraw raw;
+
+ error = (msg->l2
+ ? ofpraw_decode(&raw, msg->l2)
+ : ofpraw_pull(&raw, msg));
+ if (error) {
+ return error;
+ }
+
+ if (!msg->size) {
+ return EOF;
+ } else if (raw == OFPRAW_OFPST11_PORT_REPLY) {
+ const struct ofp11_port_stats *ps11;
+
+ ps11 = ofpbuf_try_pull(msg, sizeof *ps11);
+ if (!ps11) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %zu leftover "
+ "bytes at end", msg->size);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ return ofputil_port_stats_from_ofp11(ps, ps11);
+ } else if (raw == OFPRAW_OFPST10_PORT_REPLY) {
+ const struct ofp10_port_stats *ps10;
+
+ ps10 = ofpbuf_try_pull(msg, sizeof *ps10);
+ if (!ps10) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %zu leftover "
+ "bytes at end", msg->size);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ return ofputil_port_stats_from_ofp10(ps, ps10);
+ } else {
+ NOT_REACHED();
+ }
+
+}
+
+/* Parse a port status request message into a 16 bit OpenFlow 1.0
+ * port number and stores the latter in '*ofp10_port'.
+ * Returns 0 if successful, otherwise an OFPERR_* number. */
+enum ofperr
+ofputil_decode_port_stats_request(const struct ofp_header *request,
+ uint16_t *ofp10_port)
+{
+ switch ((enum ofp_version)request->version) {
+ case OFP12_VERSION:
+ case OFP11_VERSION: {
+ const struct ofp11_port_stats_request *psr11 = ofpmsg_body(request);
+ return ofputil_port_from_ofp11(psr11->port_no, ofp10_port);
+ }
+
+ case OFP10_VERSION: {
+ const struct ofp10_port_stats_request *psr10 = ofpmsg_body(request);
+ *ofp10_port = ntohs(psr10->port_no);
+ return 0;
+ }
+
+ default:
+ NOT_REACHED();
+ }
+}
+
+/* Parse a queue status request message into 'oqsr'.
+ * Returns 0 if successful, otherwise an OFPERR_* number. */
+enum ofperr
+ofputil_decode_queue_stats_request(const struct ofp_header *request,
+ struct ofputil_queue_stats_request *oqsr)
+{
+ switch ((enum ofp_version)request->version) {
+ case OFP12_VERSION:
+ case OFP11_VERSION: {
+ const struct ofp11_queue_stats_request *qsr11 = ofpmsg_body(request);
+ oqsr->queue_id = ntohl(qsr11->queue_id);
+ return ofputil_port_from_ofp11(qsr11->port_no, &oqsr->port_no);
+ }
+
+ case OFP10_VERSION: {
+ const struct ofp10_queue_stats_request *qsr11 = ofpmsg_body(request);
+ oqsr->queue_id = ntohl(qsr11->queue_id);
+ oqsr->port_no = ntohs(qsr11->port_no);
+ return 0;
+ }
+
+ default:
+ NOT_REACHED();
+ }
+}
+
+/* Encode a queue statsrequest for 'oqsr', the encoded message
+ * will be fore Open Flow version 'ofp_version'. Returns message
+ * as a struct ofpbuf. Returns encoded message on success, NULL on error */
+struct ofpbuf *
+ofputil_encode_queue_stats_request(enum ofp_version ofp_version,
+ const struct ofputil_queue_stats_request *oqsr)
+{
+ struct ofpbuf *request;
+
+ switch (ofp_version) {
+ case OFP11_VERSION:
+ case OFP12_VERSION: {
+ struct ofp11_queue_stats_request *req;
+ request = ofpraw_alloc(OFPRAW_OFPST11_QUEUE_REQUEST, ofp_version, 0);
+ req = ofpbuf_put_zeros(request, sizeof *req);
+ req->port_no = ofputil_port_to_ofp11(oqsr->port_no);
+ req->queue_id = htonl(oqsr->queue_id);
+ break;
+ }
+ case OFP10_VERSION: {
+ struct ofp10_queue_stats_request *req;
+ request = ofpraw_alloc(OFPRAW_OFPST10_QUEUE_REQUEST, ofp_version, 0);
+ req = ofpbuf_put_zeros(request, sizeof *req);
+ req->port_no = htons(oqsr->port_no);
+ req->queue_id = htonl(oqsr->queue_id);
+ break;
+ }
+ default:
+ NOT_REACHED();
+ }
+
+ return request;
+}
+
+/* Returns the number of queue stats elements in OFPTYPE_QUEUE_STATS_REPLY
+ * message 'oh'. */
+size_t
+ofputil_count_queue_stats(const struct ofp_header *oh)
+{
+ struct ofpbuf b;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ ofpraw_pull_assert(&b);
+
+ BUILD_ASSERT(sizeof(struct ofp10_queue_stats) ==
+ sizeof(struct ofp11_queue_stats));
+ return b.size / sizeof(struct ofp10_queue_stats);
+}
+
+static enum ofperr
+ofputil_queue_stats_from_ofp10(struct ofputil_queue_stats *oqs,
+ const struct ofp10_queue_stats *qs10)
+{
+ oqs->port_no = ntohs(qs10->port_no);
+ oqs->queue_id = ntohl(qs10->queue_id);
+ oqs->stats.tx_bytes = ntohll(get_32aligned_be64(&qs10->tx_bytes));
+ oqs->stats.tx_packets = ntohll(get_32aligned_be64(&qs10->tx_packets));
+ oqs->stats.tx_errors = ntohll(get_32aligned_be64(&qs10->tx_errors));
+
+ return 0;
+}
+
+static enum ofperr
+ofputil_queue_stats_from_ofp11(struct ofputil_queue_stats *oqs,
+ const struct ofp11_queue_stats *qs11)
+{
+ enum ofperr error;
+
+ error = ofputil_port_from_ofp11(qs11->port_no, &oqs->port_no);
+ if (error) {
+ return error;
+ }
+
+ oqs->queue_id = ntohl(qs11->queue_id);
+ oqs->stats.tx_bytes = ntohll(qs11->tx_bytes);
+ oqs->stats.tx_packets = ntohll(qs11->tx_packets);
+ oqs->stats.tx_errors = ntohll(qs11->tx_errors);
+
+ return 0;
+}
+
+/* Converts an OFPST_QUEUE_STATS reply in 'msg' into an abstract
+ * ofputil_queue_stats in 'qs'.
+ *
+ * Multiple OFPST_QUEUE_STATS replies can be packed into a single OpenFlow
+ * message. Calling this function multiple times for a single 'msg' iterates
+ * through the replies. The caller must initially leave 'msg''s layer pointers
+ * null and not modify them between calls.
+ *
+ * Returns 0 if successful, EOF if no replies were left in this 'msg',
+ * otherwise a positive errno value. */
+int
+ofputil_decode_queue_stats(struct ofputil_queue_stats *qs, struct ofpbuf *msg)
+{
+ enum ofperr error;
+ enum ofpraw raw;
+
+ error = (msg->l2
+ ? ofpraw_decode(&raw, msg->l2)
+ : ofpraw_pull(&raw, msg));
+ if (error) {
+ return error;
+ }
+
+ if (!msg->size) {
+ return EOF;
+ } else if (raw == OFPRAW_OFPST11_QUEUE_REPLY) {
+ const struct ofp11_queue_stats *qs11;
+
+ qs11 = ofpbuf_try_pull(msg, sizeof *qs11);
+ if (!qs11) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %zu leftover "
+ "bytes at end", msg->size);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ return ofputil_queue_stats_from_ofp11(qs, qs11);
+ } else if (raw == OFPRAW_OFPST10_QUEUE_REPLY) {
+ const struct ofp10_queue_stats *qs10;
+
+ qs10 = ofpbuf_try_pull(msg, sizeof *qs10);
+ if (!qs10) {
+ VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %zu leftover "
+ "bytes at end", msg->size);
+ return OFPERR_OFPBRC_BAD_LEN;
+ }
+ return ofputil_queue_stats_from_ofp10(qs, qs10);
+ } else {
+ NOT_REACHED();
+ }
+}
+
+static void
+ofputil_queue_stats_to_ofp10(const struct ofputil_queue_stats *oqs,
+ struct ofp10_queue_stats *qs10)
+{
+ qs10->port_no = htons(oqs->port_no);
+ memset(qs10->pad, 0, sizeof qs10->pad);
+ qs10->queue_id = htonl(oqs->queue_id);
+ put_32aligned_be64(&qs10->tx_bytes, htonll(oqs->stats.tx_bytes));
+ put_32aligned_be64(&qs10->tx_packets, htonll(oqs->stats.tx_packets));
+ put_32aligned_be64(&qs10->tx_errors, htonll(oqs->stats.tx_errors));
+}
+
+static void
+ofputil_queue_stats_to_ofp11(const struct ofputil_queue_stats *oqs,
+ struct ofp11_queue_stats *qs11)
+{
+ qs11->port_no = ofputil_port_to_ofp11(oqs->port_no);
+ qs11->queue_id = htonl(oqs->queue_id);
+ qs11->tx_bytes = htonll(oqs->stats.tx_bytes);
+ qs11->tx_packets = htonll(oqs->stats.tx_packets);
+ qs11->tx_errors = htonll(oqs->stats.tx_errors);
+}
+
+/* Encode a queue stat for 'oqs' and append it to 'replies'. */
+void
+ofputil_append_queue_stat(struct list *replies,
+ const struct ofputil_queue_stats *oqs)
+{
+ struct ofpbuf *msg = ofpbuf_from_list(list_back(replies));
+ struct ofp_header *oh = msg->data;
+
+ switch ((enum ofp_version)oh->version) {
+ case OFP12_VERSION:
+ case OFP11_VERSION: {
+ struct ofp11_queue_stats *reply = ofpmp_append(replies, sizeof *reply);;
+ ofputil_queue_stats_to_ofp11(oqs, reply);
+ break;
+ }
+
+ case OFP10_VERSION: {
+ struct ofp10_queue_stats *reply = ofpmp_append(replies, sizeof *reply);;
+ ofputil_queue_stats_to_ofp10(oqs, reply);
+ break;
+ }
+
+ default:
+ NOT_REACHED();
+ }
+}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff