#include "vconn.h"
#include "vlog.h"
-VLOG_DEFINE_THIS_MODULE(pktbuf)
+VLOG_DEFINE_THIS_MODULE(pktbuf);
+
+COVERAGE_DEFINE(pktbuf_buffer_unknown);
+COVERAGE_DEFINE(pktbuf_null_cookie);
+COVERAGE_DEFINE(pktbuf_retrieved);
+COVERAGE_DEFINE(pktbuf_reuse_error);
/* Buffers are identified by a 32-bit opaque ID. We divide the ID
* into a buffer number (low bits) and a cookie (high bits). The buffer number
if (++p->cookie >= COOKIE_MAX) {
p->cookie = 0;
}
- p->buffer = ofpbuf_clone(buffer);
+ p->buffer = ofpbuf_new_with_headroom(buffer->size,
+ sizeof(struct ofp_packet_in));
+ ofpbuf_put(p->buffer, buffer->data, buffer->size);
p->timeout = time_msec() + OVERWRITE_MSECS;
p->in_port = in_port;
return make_id(p - pb->packets, p->cookie);
* identifies a "null" packet buffer (created with pktbuf_get_null()), stores
* NULL in '*bufferp' and UINT16_max in '*in_port'.
*
+ * A returned packet will have at least sizeof(struct ofp_packet_in) bytes of
+ * headroom.
+ *
* On failure, stores NULL in in '*bufferp' and UINT16_MAX in '*in_port'. */
int
pktbuf_retrieve(struct pktbuf *pb, uint32_t id, struct ofpbuf **bufferp,