}
}
+static inline void
+xlate_report_actions(struct xlate_ctx *ctx, const char *title,
+ const struct ofpact *ofpacts, size_t ofpacts_len)
+{
+ if (OVS_UNLIKELY(ctx->xin->report_hook)) {
+ struct ds s = DS_EMPTY_INITIALIZER;
+ ofpacts_format(ofpacts, ofpacts_len, &s);
+ xlate_report(ctx, "%s: %s", title, ds_cstr(&s));
+ ds_destroy(&s);
+ }
+}
+
static void
xlate_xbridge_init(struct xlate_cfg *xcfg, struct xbridge *xbridge)
{
}
static void
-tnl_send_arp_request(const struct xport *out_dev, const uint8_t eth_src[ETH_ADDR_LEN],
+tnl_send_arp_request(const struct xport *out_dev,
+ const struct eth_addr eth_src,
ovs_be32 ip_src, ovs_be32 ip_dst)
{
struct xbridge *xbridge = out_dev->xbridge;
struct ovs_action_push_tnl tnl_push_data;
struct xport *out_dev = NULL;
ovs_be32 s_ip, d_ip = 0;
- uint8_t smac[ETH_ADDR_LEN];
- uint8_t dmac[ETH_ADDR_LEN];
+ struct eth_addr smac;
+ struct eth_addr dmac;
int err;
err = tnl_route_lookup_flow(flow, &d_ip, &out_dev);
IP_ARGS(d_ip), netdev_get_name(out_dev->netdev));
/* Use mac addr of bridge port of the peer. */
- err = netdev_get_etheraddr(out_dev->netdev, smac);
+ err = netdev_get_etheraddr(out_dev->netdev, &smac);
if (err) {
xlate_report(ctx, "tunnel output device lacks Ethernet address");
return err;
return err;
}
- err = tnl_arp_lookup(out_dev->xbridge->name, d_ip, dmac);
+ err = tnl_arp_lookup(out_dev->xbridge->name, d_ip, &dmac);
if (err) {
xlate_report(ctx, "ARP cache miss for "IP_FMT" on bridge %s, "
"sending ARP request",
rule = rule_dpif_lookup_from_table(ctx->xbridge->ofproto,
ctx->tables_version,
&ctx->xin->flow, ctx->xin->wc,
- ctx->xin->xcache != NULL,
ctx->xin->resubmit_stats,
&ctx->table_id, in_port,
may_packet_in, honor_table_miss);
entry = xlate_cache_add_entry(ctx->xin->xcache, XC_RULE);
entry->u.rule = rule;
+ rule_dpif_ref(rule);
}
xlate_recursively(ctx, rule);
}
}
basis = hash_bytes(&value, mf->n_bytes, basis);
+ /* For tunnels, hash in whether the field is present. */
+ if (mf_is_tun_metadata(mf)) {
+ basis = hash_boolean(mf_is_set(mf, &ctx->xin->flow), basis);
+ }
+
mf_mask_field(mf, &ctx->wc->masks);
}
}
ovs_assert(ctx->recirc_action_offset >= 0);
+ struct recirc_state state = {
+ .table_id = 0,
+ .ofproto = ctx->xbridge->ofproto,
+ .metadata = md,
+ .stack = &ctx->stack,
+ .mirrors = ctx->mirrors,
+ .action_set_len = ctx->recirc_action_offset,
+ .ofpacts_len = ctx->action_set.size,
+ .ofpacts = ctx->action_set.data,
+ };
+
/* Only allocate recirculation ID if we have a packet. */
if (ctx->xin->packet) {
/* Allocate a unique recirc id for the given metadata state in the
* flow. The life-cycle of this recirc id is managed by associating it
* with the udpif key ('ukey') created for each new datapath flow. */
- id = recirc_alloc_id_ctx(ctx->xbridge->ofproto, 0, &md, &ctx->stack,
- ctx->recirc_action_offset,
- ctx->action_set.size, ctx->action_set.data);
+ id = recirc_alloc_id_ctx(&state);
if (!id) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_ERR_RL(&rl, "Failed to allocate recirculation id");
} else {
/* Look up an existing recirc id for the given metadata state in the
* flow. No new reference is taken, as the ID is RCU protected and is
- * only required temporarily for verification. */
- id = recirc_find_id(ctx->xbridge->ofproto, 0, &md, &ctx->stack,
- ctx->recirc_action_offset,
- ctx->action_set.size, ctx->action_set.data);
- /* We let zero 'id' to be used in the RECIRC action below, which will
- * fail all revalidations as zero is not a valid recirculation ID. */
+ * only required temporarily for verification.
+ *
+ * This might fail and return 0. We let zero 'id' to be used in the
+ * RECIRC action below, which will fail all revalidations as zero is
+ * not a valid recirculation ID. */
+ id = recirc_find_id(&state);
}
nl_msg_put_u32(ctx->odp_actions, OVS_ACTION_ATTR_RECIRC, id);
case OFPACT_WRITE_ACTIONS:
case OFPACT_METER:
case OFPACT_SAMPLE:
+ case OFPACT_DEBUG_RECIRC:
break;
/* These need not be copied for restoration. */
break;
case OFPACT_SET_ETH_SRC:
- memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src);
- memcpy(flow->dl_src, ofpact_get_SET_ETH_SRC(a)->mac, ETH_ADDR_LEN);
+ WC_MASK_FIELD(wc, dl_src);
+ flow->dl_src = ofpact_get_SET_ETH_SRC(a)->mac;
break;
case OFPACT_SET_ETH_DST:
- memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
- memcpy(flow->dl_dst, ofpact_get_SET_ETH_DST(a)->mac, ETH_ADDR_LEN);
+ WC_MASK_FIELD(wc, dl_dst);
+ flow->dl_dst = ofpact_get_SET_ETH_DST(a)->mac;
break;
case OFPACT_SET_IPV4_SRC:
}
/* A flow may wildcard nw_frag. Do nothing if setting a trasport
* header field on a packet that does not have them. */
- mf_mask_field_and_prereqs(mf, &wc->masks);
+ mf_mask_field_and_prereqs(mf, wc);
if (mf_are_prereqs_ok(mf, flow)) {
mf_set_flow_value_masked(mf, &set_field->value,
&set_field->mask, flow);
case OFPACT_SAMPLE:
xlate_sample_action(ctx, ofpact_get_SAMPLE(a));
break;
+
+ case OFPACT_DEBUG_RECIRC:
+ ctx_trigger_recirculation(ctx);
+ a = ofpact_next(a);
+ break;
}
/* Check if need to store this and the remaining actions for later
stream = fopen(filename, "r");
if (!stream) {
- VLOG_WARN("%s: open failed (%s)", filename, ovs_strerror(errno));
+ VLOG_INFO("%s: open failed (%s)", filename, ovs_strerror(errno));
} else {
if (fscanf(stream, "%d", &n) != 1) {
VLOG_WARN("%s: read error", filename);
flow_wildcards_init_catchall(ctx->wc);
/* Some fields we consider to always be examined. */
- memset(&ctx->wc->masks.in_port, 0xff, sizeof ctx->wc->masks.in_port);
- memset(&ctx->wc->masks.dl_type, 0xff, sizeof ctx->wc->masks.dl_type);
+ WC_MASK_FIELD(ctx->wc, in_port);
+ WC_MASK_FIELD(ctx->wc, dl_type);
if (is_ip_any(&ctx->xin->flow)) {
- ctx->wc->masks.nw_frag |= FLOW_NW_FRAG_MASK;
+ WC_MASK_FIELD_MASK(ctx->wc, nw_frag, FLOW_NW_FRAG_MASK);
}
if (ctx->xbridge->support.odp.recirc) {
/* Always exactly match recirc_id when datapath supports
* recirculation. */
- ctx->wc->masks.recirc_id = UINT32_MAX;
+ WC_MASK_FIELD(ctx->wc, recirc_id);
}
if (ctx->xbridge->netflow) {
COVERAGE_INC(xlate_actions);
if (xin->recirc) {
- const struct recirc_id_node *recirc = xin->recirc;
+ const struct recirc_state *state = &xin->recirc->state;
+
+ xlate_report(&ctx, "Restoring state post-recirculation:");
if (xin->ofpacts_len > 0 || ctx.rule) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
+ const char *conflict = xin->ofpacts_len ? "actions" : "rule";
- VLOG_WARN_RL(&rl, "Recirculation conflict (%s)!",
- xin->ofpacts_len > 0
- ? "actions"
- : "rule");
+ VLOG_WARN_RL(&rl, "Recirculation conflict (%s)!", conflict);
+ xlate_report(&ctx, "- Recirculation conflict (%s)!", conflict);
goto exit;
}
/* Set the bridge for post-recirculation processing if needed. */
- if (ctx.xbridge->ofproto != recirc->ofproto) {
+ if (ctx.xbridge->ofproto != state->ofproto) {
struct xlate_cfg *xcfg = ovsrcu_get(struct xlate_cfg *, &xcfgp);
- const struct xbridge *new_bridge = xbridge_lookup(xcfg,
- recirc->ofproto);
+ const struct xbridge *new_bridge
+ = xbridge_lookup(xcfg, state->ofproto);
if (OVS_UNLIKELY(!new_bridge)) {
/* Drop the packet if the bridge cannot be found. */
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_WARN_RL(&rl, "Recirculation bridge no longer exists.");
+ xlate_report(&ctx, "- Recirculation bridge no longer exists.");
goto exit;
}
ctx.xbridge = new_bridge;
/* Set the post-recirculation table id. Note: A table lookup is done
* only if there are no post-recirculation actions. */
- ctx.table_id = recirc->table_id;
+ ctx.table_id = state->table_id;
+ xlate_report(&ctx, "- Resuming from table %"PRIu8, ctx.table_id);
/* Restore pipeline metadata. May change flow's in_port and other
* metadata to the values that existed when recirculation was
* triggered. */
- recirc_metadata_to_flow(&recirc->metadata, flow);
+ recirc_metadata_to_flow(&state->metadata, flow);
/* Restore stack, if any. */
- if (recirc->stack) {
- ofpbuf_put(&ctx.stack, recirc->stack->data, recirc->stack->size);
+ if (state->stack) {
+ ofpbuf_put(&ctx.stack, state->stack->data, state->stack->size);
}
+ /* Restore mirror state. */
+ ctx.mirrors = state->mirrors;
+
/* Restore action set, if any. */
- if (recirc->action_set_len) {
+ if (state->action_set_len) {
const struct ofpact *a;
- ofpbuf_put(&ctx.action_set, recirc->ofpacts,
- recirc->action_set_len);
+ xlate_report_actions(&ctx, "- Restoring action set",
+ state->ofpacts, state->action_set_len);
- OFPACT_FOR_EACH(a, recirc->ofpacts, recirc->action_set_len) {
+ ofpbuf_put(&ctx.action_set, state->ofpacts, state->action_set_len);
+
+ OFPACT_FOR_EACH(a, state->ofpacts, state->action_set_len) {
if (a->type == OFPACT_GROUP) {
ctx.action_set_has_group = true;
break;
/* Restore recirculation actions. If there are no actions, processing
* will start with a lookup in the table set above. */
- if (recirc->ofpacts_len > recirc->action_set_len) {
- xin->ofpacts_len = recirc->ofpacts_len - recirc->action_set_len;
- xin->ofpacts = recirc->ofpacts +
- recirc->action_set_len / sizeof *recirc->ofpacts;
+ if (state->ofpacts_len > state->action_set_len) {
+ xin->ofpacts_len = state->ofpacts_len - state->action_set_len;
+ xin->ofpacts = state->ofpacts +
+ state->action_set_len / sizeof *state->ofpacts;
+
+ xlate_report_actions(&ctx, "- Restoring actions",
+ xin->ofpacts, xin->ofpacts_len);
}
} else if (OVS_UNLIKELY(flow->recirc_id)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
if (!xin->ofpacts && !ctx.rule) {
ctx.rule = rule_dpif_lookup_from_table(
ctx.xbridge->ofproto, ctx.tables_version, flow, xin->wc,
- ctx.xin->xcache != NULL, ctx.xin->resubmit_stats, &ctx.table_id,
+ ctx.xin->resubmit_stats, &ctx.table_id,
flow->in_port.ofp_port, true, true);
if (ctx.xin->resubmit_stats) {
rule_dpif_credit_stats(ctx.rule, ctx.xin->resubmit_stats);
entry = xlate_cache_add_entry(ctx.xin->xcache, XC_RULE);
entry->u.rule = ctx.rule;
+ rule_dpif_ref(ctx.rule);
}
if (OVS_UNLIKELY(ctx.xin->resubmit_hook)) {
{
struct xc_entry *entry;
struct ofpbuf entries = xcache->entries;
- uint8_t dmac[ETH_ADDR_LEN];
+ struct eth_addr dmac;
if (!stats->n_packets) {
return;
break;
case XC_TNL_ARP:
/* Lookup arp to avoid arp timeout. */
- tnl_arp_lookup(entry->u.tnl_arp_cache.br_name, entry->u.tnl_arp_cache.d_ip, dmac);
+ tnl_arp_lookup(entry->u.tnl_arp_cache.br_name,
+ entry->u.tnl_arp_cache.d_ip, &dmac);
break;
default:
OVS_NOT_REACHED();
projects / cascardo / ovs.git / blobdiff