/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "netdev.h"
#include "netlink.h"
#include "odp-util.h"
+#include "ofp-actions.h"
#include "ofproto.h"
#include "ofpbuf.h"
#include "ofproto-provider.h"
/* A rule to add to or delete from ofproto's flow table. */
struct in_band_rule {
- struct cls_rule cls_rule;
+ struct hmap_node hmap_node; /* In struct in_band's "rules" hmap. */
+ struct match match;
+ unsigned int priority;
enum in_band_op op;
};
}
static void
-add_rule(struct in_band *ib, const struct cls_rule *cls_rule)
+add_rule(struct in_band *ib, const struct match *match, unsigned int priority)
{
- uint32_t hash = cls_rule_hash(cls_rule, 0);
+ uint32_t hash = match_hash(match, 0);
struct in_band_rule *rule;
- HMAP_FOR_EACH_WITH_HASH (rule, cls_rule.hmap_node, hash, &ib->rules) {
- if (cls_rule_equal(&rule->cls_rule, cls_rule)) {
+ HMAP_FOR_EACH_WITH_HASH (rule, hmap_node, hash, &ib->rules) {
+ if (match_equal(&rule->match, match)) {
rule->op = ADD;
return;
}
}
rule = xmalloc(sizeof *rule);
- rule->cls_rule = *cls_rule;
+ rule->match = *match;
+ rule->priority = priority;
rule->op = ADD;
- hmap_insert(&ib->rules, &rule->cls_rule.hmap_node, hash);
+ hmap_insert(&ib->rules, &rule->hmap_node, hash);
}
static void
{
struct in_band_rule *ib_rule;
struct in_band_remote *r;
- struct cls_rule rule;
+ struct match match;
/* Mark all the existing rules for deletion. (Afterward we will re-add any
* rules that are still valid.) */
- HMAP_FOR_EACH (ib_rule, cls_rule.hmap_node, &ib->rules) {
+ HMAP_FOR_EACH (ib_rule, hmap_node, &ib->rules) {
ib_rule->op = DELETE;
}
if (ib->n_remotes && !eth_addr_is_zero(ib->local_mac)) {
/* (a) Allow DHCP requests sent from the local port. */
- cls_rule_init_catchall(&rule, IBR_FROM_LOCAL_DHCP);
- cls_rule_set_in_port(&rule, OFPP_LOCAL);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_IP));
- cls_rule_set_dl_src(&rule, ib->local_mac);
- cls_rule_set_nw_proto(&rule, IPPROTO_UDP);
- cls_rule_set_tp_src(&rule, htons(DHCP_CLIENT_PORT));
- cls_rule_set_tp_dst(&rule, htons(DHCP_SERVER_PORT));
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_in_port(&match, OFPP_LOCAL);
+ match_set_dl_type(&match, htons(ETH_TYPE_IP));
+ match_set_dl_src(&match, ib->local_mac);
+ match_set_nw_proto(&match, IPPROTO_UDP);
+ match_set_tp_src(&match, htons(DHCP_CLIENT_PORT));
+ match_set_tp_dst(&match, htons(DHCP_SERVER_PORT));
+ add_rule(ib, &match, IBR_FROM_LOCAL_DHCP);
/* (b) Allow ARP replies to the local port's MAC address. */
- cls_rule_init_catchall(&rule, IBR_TO_LOCAL_ARP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_ARP));
- cls_rule_set_dl_dst(&rule, ib->local_mac);
- cls_rule_set_nw_proto(&rule, ARP_OP_REPLY);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_ARP));
+ match_set_dl_dst(&match, ib->local_mac);
+ match_set_nw_proto(&match, ARP_OP_REPLY);
+ add_rule(ib, &match, IBR_TO_LOCAL_ARP);
/* (c) Allow ARP requests from the local port's MAC address. */
- cls_rule_init_catchall(&rule, IBR_FROM_LOCAL_ARP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_ARP));
- cls_rule_set_dl_src(&rule, ib->local_mac);
- cls_rule_set_nw_proto(&rule, ARP_OP_REQUEST);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_ARP));
+ match_set_dl_src(&match, ib->local_mac);
+ match_set_nw_proto(&match, ARP_OP_REQUEST);
+ add_rule(ib, &match, IBR_FROM_LOCAL_ARP);
}
for (r = ib->remotes; r < &ib->remotes[ib->n_remotes]; r++) {
}
/* (d) Allow ARP replies to the next hop's MAC address. */
- cls_rule_init_catchall(&rule, IBR_TO_NEXT_HOP_ARP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_ARP));
- cls_rule_set_dl_dst(&rule, remote_mac);
- cls_rule_set_nw_proto(&rule, ARP_OP_REPLY);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_ARP));
+ match_set_dl_dst(&match, remote_mac);
+ match_set_nw_proto(&match, ARP_OP_REPLY);
+ add_rule(ib, &match, IBR_TO_NEXT_HOP_ARP);
/* (e) Allow ARP requests from the next hop's MAC address. */
- cls_rule_init_catchall(&rule, IBR_FROM_NEXT_HOP_ARP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_ARP));
- cls_rule_set_dl_src(&rule, remote_mac);
- cls_rule_set_nw_proto(&rule, ARP_OP_REQUEST);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_ARP));
+ match_set_dl_src(&match, remote_mac);
+ match_set_nw_proto(&match, ARP_OP_REQUEST);
+ add_rule(ib, &match, IBR_FROM_NEXT_HOP_ARP);
}
for (r = ib->remotes; r < &ib->remotes[ib->n_remotes]; r++) {
/* (f) Allow ARP replies containing the remote's IP address as a
* target. */
- cls_rule_init_catchall(&rule, IBR_TO_REMOTE_ARP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_ARP));
- cls_rule_set_nw_proto(&rule, ARP_OP_REPLY);
- cls_rule_set_nw_dst(&rule, a->sin_addr.s_addr);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_ARP));
+ match_set_nw_proto(&match, ARP_OP_REPLY);
+ match_set_nw_dst(&match, a->sin_addr.s_addr);
+ add_rule(ib, &match, IBR_TO_REMOTE_ARP);
/* (g) Allow ARP requests containing the remote's IP address as a
* source. */
- cls_rule_init_catchall(&rule, IBR_FROM_REMOTE_ARP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_ARP));
- cls_rule_set_nw_proto(&rule, ARP_OP_REQUEST);
- cls_rule_set_nw_src(&rule, a->sin_addr.s_addr);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_ARP));
+ match_set_nw_proto(&match, ARP_OP_REQUEST);
+ match_set_nw_src(&match, a->sin_addr.s_addr);
+ add_rule(ib, &match, IBR_FROM_REMOTE_ARP);
/* (h) Allow TCP traffic to the remote's IP and port. */
- cls_rule_init_catchall(&rule, IBR_TO_REMOTE_TCP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_IP));
- cls_rule_set_nw_proto(&rule, IPPROTO_TCP);
- cls_rule_set_nw_dst(&rule, a->sin_addr.s_addr);
- cls_rule_set_tp_dst(&rule, a->sin_port);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_IP));
+ match_set_nw_proto(&match, IPPROTO_TCP);
+ match_set_nw_dst(&match, a->sin_addr.s_addr);
+ match_set_tp_dst(&match, a->sin_port);
+ add_rule(ib, &match, IBR_TO_REMOTE_TCP);
/* (i) Allow TCP traffic from the remote's IP and port. */
- cls_rule_init_catchall(&rule, IBR_FROM_REMOTE_TCP);
- cls_rule_set_dl_type(&rule, htons(ETH_TYPE_IP));
- cls_rule_set_nw_proto(&rule, IPPROTO_TCP);
- cls_rule_set_nw_src(&rule, a->sin_addr.s_addr);
- cls_rule_set_tp_src(&rule, a->sin_port);
- add_rule(ib, &rule);
+ match_init_catchall(&match);
+ match_set_dl_type(&match, htons(ETH_TYPE_IP));
+ match_set_nw_proto(&match, IPPROTO_TCP);
+ match_set_nw_src(&match, a->sin_addr.s_addr);
+ match_set_tp_src(&match, a->sin_port);
+ add_rule(ib, &match, IBR_FROM_REMOTE_TCP);
}
}
bool
in_band_run(struct in_band *ib)
{
- struct {
- struct nx_action_set_queue nxsq;
- union ofp_action oa;
- } actions;
- const void *a;
- size_t na;
+ uint64_t ofpacts_stub[128 / 8];
+ struct ofpbuf ofpacts;
struct in_band_rule *rule, *next;
- memset(&actions, 0, sizeof actions);
- actions.oa.output.type = htons(OFPAT10_OUTPUT);
- actions.oa.output.len = htons(sizeof actions.oa);
- actions.oa.output.port = htons(OFPP_NORMAL);
- actions.oa.output.max_len = htons(0);
- if (ib->queue_id < 0) {
- a = &actions.oa;
- na = sizeof actions.oa / sizeof(union ofp_action);
- } else {
- actions.nxsq.type = htons(OFPAT10_VENDOR);
- actions.nxsq.len = htons(sizeof actions.nxsq);
- actions.nxsq.vendor = htonl(NX_VENDOR_ID);
- actions.nxsq.subtype = htons(NXAST_SET_QUEUE);
- actions.nxsq.queue_id = htonl(ib->queue_id);
- a = &actions;
- na = sizeof actions / sizeof(union ofp_action);
+ ofpbuf_use_stub(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
+
+ if (ib->queue_id >= 0) {
+ ofpact_put_SET_QUEUE(&ofpacts)->queue_id = ib->queue_id;
}
+ ofpact_put_OUTPUT(&ofpacts)->port = OFPP_NORMAL;
refresh_local(ib);
refresh_remotes(ib);
update_rules(ib);
- HMAP_FOR_EACH_SAFE (rule, next, cls_rule.hmap_node, &ib->rules) {
+ HMAP_FOR_EACH_SAFE (rule, next, hmap_node, &ib->rules) {
switch (rule->op) {
case ADD:
- ofproto_add_flow(ib->ofproto, &rule->cls_rule, a, na);
+ ofproto_add_flow(ib->ofproto, &rule->match, rule->priority,
+ ofpacts.data, ofpacts.size);
break;
case DELETE:
- if (ofproto_delete_flow(ib->ofproto, &rule->cls_rule)) {
+ if (ofproto_delete_flow(ib->ofproto,
+ &rule->match, rule->priority)) {
/* ofproto doesn't have the rule anymore so there's no reason
* for us to track it any longer. */
- hmap_remove(&ib->rules, &rule->cls_rule.hmap_node);
+ hmap_remove(&ib->rules, &rule->hmap_node);
free(rule);
}
break;
}
}
+ ofpbuf_uninit(&ofpacts);
+
return ib->n_remotes || !hmap_is_empty(&ib->rules);
}
if (ib) {
struct in_band_rule *rule, *next;
- HMAP_FOR_EACH_SAFE (rule, next, cls_rule.hmap_node, &ib->rules) {
- hmap_remove(&ib->rules, &rule->cls_rule.hmap_node);
+ HMAP_FOR_EACH_SAFE (rule, next, hmap_node, &ib->rules) {
+ hmap_remove(&ib->rules, &rule->hmap_node);
free(rule);
}
hmap_destroy(&ib->rules);
projects / openvswitch / blobdiff