#include "ofp-actions.h"
#include "ofproto/ofproto-dpif-ipfix.h"
#include "ofproto/ofproto-dpif-mirror.h"
+#include "ofproto/ofproto-dpif-monitor.h"
#include "ofproto/ofproto-dpif-sflow.h"
#include "ofproto/ofproto-dpif.h"
#include "ofproto/ofproto-provider.h"
enum ofp_config_flags frag; /* Fragmentation handling. */
bool has_in_band; /* Bridge has in band control? */
bool forward_bpdu; /* Bridge forwards STP BPDUs? */
+
+ /* True if the datapath supports variable-length
+ * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
+ * False if the datapath supports only 8-byte (or shorter) userdata. */
+ bool variable_length_userdata;
};
struct xbundle {
const struct dpif_sflow *sflow,
const struct dpif_ipfix *ipfix,
const struct netflow *netflow, enum ofp_config_flags frag,
- bool forward_bpdu, bool has_in_band)
+ bool forward_bpdu, bool has_in_band,
+ bool variable_length_userdata)
{
struct xbridge *xbridge = xbridge_lookup(ofproto);
xbridge->frag = frag;
xbridge->miss_rule = miss_rule;
xbridge->no_packet_in_rule = no_packet_in_rule;
+ xbridge->variable_length_userdata = variable_length_userdata;
}
void
/* Make the packet resemble the flow, so that it gets sent to
* an OpenFlow controller properly, so that it looks correct
* for sFlow, and so that flow_extract() will get the correct
- * vlan_tci if it is called on 'packet'.
- *
- * The allocated space inside 'packet' probably also contains
- * 'key', that is, both 'packet' and 'key' are probably part of
- * a struct dpif_upcall (see the large comment on that
- * structure definition), so pushing data on 'packet' is in
- * general not a good idea since it could overwrite 'key' or
- * free it as a side effect. However, it's OK in this special
- * case because we know that 'packet' is inside a Netlink
- * attribute: pushing 4 bytes will just overwrite the 4-byte
- * "struct nlattr", which is fine since we don't need that
- * header anymore. */
+ * vlan_tci if it is called on 'packet'. */
eth_push_vlan(packet, flow->vlan_tci);
}
/* We can't reproduce 'key' from 'flow'. */
bool has_mirror;
int out_vlan;
- has_mirror = mirror_get(xbridge->mbridge, mirror_mask_ffs(mirrors) - 1,
+ has_mirror = mirror_get(xbridge->mbridge, raw_ctz(mirrors),
&vlans, &dup_mirrors, &out, &out_vlan);
ovs_assert(has_mirror);
return vid ? vid : in_xbundle->vlan;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
return true;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
return vlan == out_xbundle->vlan ? 0 : vlan;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}
} else if (xport->bfd && bfd_should_process_flow(xport->bfd, flow, wc)) {
if (packet) {
bfd_process_packet(xport->bfd, flow, packet);
+ /* If POLL received, immediately sends FINAL back. */
+ if (bfd_should_send_packet(xport->bfd)) {
+ if (xport->peer) {
+ ofproto_dpif_monitor_port_send_soon(xport->ofport);
+ } else {
+ ofproto_dpif_monitor_port_send_soon_safe(xport->ofport);
+ }
+ }
}
return SLOW_BFD;
} else if (xport->xbundle && xport->xbundle->lacp
xlate_ff_group(ctx, group);
break;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
group_dpif_release(group);
}
{
struct ofproto_packet_in *pin;
struct ofpbuf *packet;
- struct flow key;
+ struct pkt_metadata md = PKT_METADATA_INITIALIZER(0);
ctx->xout->slow |= SLOW_CONTROLLER;
if (!ctx->xin->packet) {
packet = ofpbuf_clone(ctx->xin->packet);
- key.skb_priority = 0;
- key.pkt_mark = 0;
- memset(&key.tunnel, 0, sizeof key.tunnel);
-
ctx->xout->slow |= commit_odp_actions(&ctx->xin->flow, &ctx->base_flow,
&ctx->xout->odp_actions,
&ctx->xout->wc,
&ctx->mpls_depth_delta);
- odp_execute_actions(NULL, packet, &key, ctx->xout->odp_actions.data,
- ctx->xout->odp_actions.size, NULL, NULL);
+ odp_execute_actions(NULL, packet, &md, ctx->xout->odp_actions.data,
+ ctx->xout->odp_actions.size, NULL);
pin = xmalloc(sizeof *pin);
pin->up.packet_len = packet->size;
* the same percentage. */
uint32_t probability = (os->probability << 16) | os->probability;
+ if (!ctx->xbridge->variable_length_userdata) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
+
+ VLOG_ERR_RL(&rl, "ignoring NXAST_SAMPLE action because datapath "
+ "lacks support (needs Linux 3.10+ or kernel module from "
+ "OVS 1.11+)");
+ return;
+ }
+
ctx->xout->slow |= commit_odp_actions(&ctx->xin->flow, &ctx->base_flow,
&ctx->xout->odp_actions,
&ctx->xout->wc,
ofpacts = actions->ofpacts;
ofpacts_len = actions->ofpacts_len;
} else {
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
ofpbuf_use_stub(&ctx.stack, ctx.init_stack, sizeof ctx.init_stack);
goto out;
case OFPC_FRAG_REASM:
- NOT_REACHED();
+ OVS_NOT_REACHED();
case OFPC_FRAG_NX_MATCH:
/* Nothing to do. */
break;
case OFPC_INVALID_TTL_TO_CONTROLLER:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
}