ofp-util: Add functions to support version number bitmaps.

[sliver-openvswitch.git] / lib / ofp-util.c

diff --git a/lib/ofp-util.c b/lib/ofp-util.c
index 34255da..afb7dcd 100644 (file)
--- a/lib/ofp-util.c
+++ b/lib/ofp-util.c
@@ -16,6 +16,7 @@
 
 #include <config.h>
 #include "ofp-print.h"
+#include <ctype.h>
 #include <errno.h>
 #include <inttypes.h>
 #include <sys/types.h>
@@ -305,7 +306,7 @@ ofputil_match_from_ofp11_match(const struct ofp11_match *ofmatch,
     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);
@@ -370,6 +371,7 @@ ofputil_match_from_ofp11_match(const struct ofp11_match *ofmatch,
 
     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) {
@@ -380,7 +382,7 @@ ofputil_match_from_ofp11_match(const struct ofp11_match *ofmatch,
         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);
         }
@@ -845,6 +847,71 @@ ofputil_protocols_from_string(const char *s)
     return protocols;
 }
 
+static enum ofp_version
+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;
+    }
+    VLOG_FATAL("Unknown OpenFlow version: \"%s\"", s);
+}
+
+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;
+        enum ofp_version 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);
+        free(key);
+        bitmap |= 1u << version;
+        i += j;
+    }
+
+    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)
 {
@@ -973,6 +1040,44 @@ ofputil_usable_protocols(const struct match *match)
     return OFPUTIL_P_ANY;
 }
 
+void
+ofputil_format_version(struct ds *msg, enum ofp_version version)
+{
+    ds_put_format(msg, "0x%02zx", 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);
+}
+
 /* 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
@@ -2420,8 +2525,8 @@ ofputil_decode_ofp10_phy_port(struct ofputil_phy_port *pp,
     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;
 }
@@ -3789,7 +3894,8 @@ ofputil_normalize_match__(struct match *match, bool may_log)
                 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;