This will make the memory ownership clearer when future patches
make more extensive use of ofputil_packet_in.
---
lib/ofp-util.c | 4 ++--
lib/ofp-util.h | 4 ++--
ofproto/connmgr.c | 5 +++--
ofproto/ofproto-dpif.c | 4 ++--
4 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/lib/ofp-util.c b/lib/ofp-util.c
index 11b0f15..3a14013 100644
--- a/lib/ofp-util.c
+++ b/lib/ofp-util.c
@@ -1539,7 +1539,7 @@ struct ofpbuf *
ofputil_encode_packet_in(const struct ofputil_packet_in *pin,
struct ofpbuf *rw_packet)
{
- int total_len = pin->packet->size;
+ int total_len = pin->packet.size;
struct ofp_packet_in opi;
if (rw_packet) {
@@ -1548,7 +1548,7 @@ ofputil_encode_packet_in(const struct ofputil_packet_in
*pin,
}
} else {
rw_packet = ofpbuf_clone_data_with_headroom(
- pin->packet->data, MIN(pin->send_len, pin->packet->size),
+ pin->packet.data, MIN(pin->send_len, pin->packet.size),
offsetof(struct ofp_packet_in, data));
}
diff --git a/lib/ofp-util.h b/lib/ofp-util.h
index 909467f..5a11a69 100644
--- a/lib/ofp-util.h
+++ b/lib/ofp-util.h
@@ -23,11 +23,11 @@
#include <stdint.h>
#include "classifier.h"
#include "flow.h"
+#include "ofpbuf.h"
#include "openflow/nicira-ext.h"
#include "openvswitch/types.h"
struct cls_rule;
-struct ofpbuf;
/* Basic decoding and length validation of OpenFlow messages. */
enum ofputil_msg_code {
@@ -211,7 +211,7 @@ struct ofpbuf *ofputil_encode_flow_removed(const struct
ofputil_flow_removed *,
/* Abstract packet-in message. */
struct ofputil_packet_in {
- struct ofpbuf *packet;
+ struct ofpbuf packet; /* Const ofpbuf. */
uint16_t in_port;
uint8_t reason; /* One of OFPR_*. */
diff --git a/ofproto/connmgr.c b/ofproto/connmgr.c
index 6caad06..d32f5fd 100644
--- a/ofproto/connmgr.c
+++ b/ofproto/connmgr.c
@@ -1210,12 +1210,13 @@ schedule_packet_in(struct ofconn *ofconn, struct
ofputil_packet_in pin,
} else if (!ofconn->pktbuf) {
pin.buffer_id = UINT32_MAX;
} else {
- pin.buffer_id = pktbuf_save(ofconn->pktbuf, pin.packet, flow->in_port);
+ pin.buffer_id = pktbuf_save(ofconn->pktbuf, &pin.packet,
+ flow->in_port);
}
/* Figure out how much of the packet to send. */
if (pin.reason == OFPR_NO_MATCH) {
- pin.send_len = pin.packet->size;
+ pin.send_len = pin.packet.size;
} else {
/* Caller should have initialized 'send_len' to 'max_len' specified in
* struct ofp_action_output. */
diff --git a/ofproto/ofproto-dpif.c b/ofproto/ofproto-dpif.c
index 391a1dd..2038302 100644
--- a/ofproto/ofproto-dpif.c
+++ b/ofproto/ofproto-dpif.c
@@ -2406,11 +2406,11 @@ send_packet_in_miss(struct ofproto_dpif *ofproto,
struct ofpbuf *packet,
{
struct ofputil_packet_in pin;
- pin.packet = packet;
pin.in_port = flow->in_port;
pin.reason = OFPR_NO_MATCH;
pin.buffer_id = 0; /* not yet known */
pin.send_len = 0; /* not used for flow table misses */
+ ofpbuf_use_const(&pin.packet, packet->data, packet->size);
connmgr_send_packet_in(ofproto->up.connmgr, &pin, flow,
clone ? NULL : packet);
}
@@ -2433,11 +2433,11 @@ send_packet_in_action(struct ofproto_dpif *ofproto,
struct ofpbuf *packet,
memcpy(&cookie, &userdata, sizeof(cookie));
- pin.packet = packet;
pin.in_port = flow->in_port;
pin.reason = OFPR_ACTION;
pin.buffer_id = 0; /* not yet known */
pin.send_len = cookie.data;
+ ofpbuf_use_const(&pin.packet, packet->data, packet->size);
connmgr_send_packet_in(ofproto->up.connmgr, &pin, flow,
clone ? NULL : packet);
}
--
1.7.7.1
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