diff mbox series

[1/3] port: support packet mirroring

Message ID 20220304180623.74893-1-cristian.dumitrescu@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series [1/3] port: support packet mirroring |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Cristian Dumitrescu March 4, 2022, 6:06 p.m. UTC 
  Add packet clone operation to the output ports in order to support
packet mirroring.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
 lib/pipeline/rte_swx_pipeline.c          |  2 ++
 lib/pipeline/rte_swx_pipeline_internal.h |  1 +
 lib/port/rte_swx_port.h                  | 15 ++++++++++
 lib/port/rte_swx_port_ethdev.c           | 29 ++++++++++++++++++++
 lib/port/rte_swx_port_fd.c               | 29 ++++++++++++++++++++
 lib/port/rte_swx_port_ring.c             | 28 +++++++++++++++++++
 lib/port/rte_swx_port_source_sink.c      | 35 ++++++++++++++++++++++++
 7 files changed, 139 insertions(+)
diff mbox series

Patch

diff --git a/lib/pipeline/rte_swx_pipeline.c b/lib/pipeline/rte_swx_pipeline.c
index 8c4670e111..bde20c5660 100644
--- a/lib/pipeline/rte_swx_pipeline.c
+++ b/lib/pipeline/rte_swx_pipeline.c
@@ -423,6 +423,7 @@  rte_swx_pipeline_port_out_type_register(struct rte_swx_pipeline *p,
 	CHECK(ops->create, EINVAL);
 	CHECK(ops->free, EINVAL);
 	CHECK(ops->pkt_tx, EINVAL);
+	CHECK(ops->pkt_clone_tx, EINVAL);
 	CHECK(ops->stats_read, EINVAL);
 
 	CHECK(!port_out_type_find(p, name), EEXIST);
@@ -509,6 +510,7 @@  port_out_build(struct rte_swx_pipeline *p)
 		struct port_out_runtime *out = &p->out[port->id];
 
 		out->pkt_tx = port->type->ops.pkt_tx;
+		out->pkt_clone_tx = port->type->ops.pkt_clone_tx;
 		out->flush = port->type->ops.flush;
 		out->obj = port->obj;
 	}
diff --git a/lib/pipeline/rte_swx_pipeline_internal.h b/lib/pipeline/rte_swx_pipeline_internal.h
index da3e88bfa8..6ccd9948fa 100644
--- a/lib/pipeline/rte_swx_pipeline_internal.h
+++ b/lib/pipeline/rte_swx_pipeline_internal.h
@@ -104,6 +104,7 @@  TAILQ_HEAD(port_out_tailq, port_out);
 
 struct port_out_runtime {
 	rte_swx_port_out_pkt_tx_t pkt_tx;
+	rte_swx_port_out_pkt_clone_tx_t pkt_clone_tx;
 	rte_swx_port_out_flush_t flush;
 	void *obj;
 };
diff --git a/lib/port/rte_swx_port.h b/lib/port/rte_swx_port.h
index ecf109d2ca..e305a580fe 100644
--- a/lib/port/rte_swx_port.h
+++ b/lib/port/rte_swx_port.h
@@ -147,6 +147,18 @@  typedef void
 (*rte_swx_port_out_pkt_tx_t)(void *port,
 			     struct rte_swx_pkt *pkt);
 
+/**
+ * Output port packet clone and transmit
+ *
+ * @param[in] port
+ *   Output port handle.
+ * @param[in] pkt
+ *   Packet to be transmitted.
+ */
+typedef void
+(*rte_swx_port_out_pkt_clone_tx_t)(void *port,
+				   struct rte_swx_pkt *pkt);
+
 /**
  * Output port flush
  *
@@ -188,6 +200,9 @@  struct rte_swx_port_out_ops {
 	/** Packet transmission. Must be non-NULL. */
 	rte_swx_port_out_pkt_tx_t pkt_tx;
 
+	/** Packet clone transmission. Must be non-NULL. */
+	rte_swx_port_out_pkt_clone_tx_t pkt_clone_tx;
+
 	/** Flush. May be NULL. */
 	rte_swx_port_out_flush_t flush;
 
diff --git a/lib/port/rte_swx_port_ethdev.c b/lib/port/rte_swx_port_ethdev.c
index 18d1c0b5db..a9101e805d 100644
--- a/lib/port/rte_swx_port_ethdev.c
+++ b/lib/port/rte_swx_port_ethdev.c
@@ -264,6 +264,34 @@  writer_pkt_tx(void *port, struct rte_swx_pkt *pkt)
 		__writer_flush(p);
 }
 
+static void
+writer_pkt_clone_tx(void *port, struct rte_swx_pkt *pkt)
+{
+	struct writer *p = port;
+	struct rte_mbuf *m = pkt->handle;
+
+	TRACE("[Ethdev TX port %u queue %u] Pkt %d (%u bytes at offset %u) (clone)\n",
+	      (uint32_t)p->params.port_id,
+	      (uint32_t)p->params.queue_id,
+	      p->n_pkts - 1,
+	      pkt->length,
+	      pkt->offset);
+	if (TRACE_LEVEL)
+		rte_hexdump(stdout, NULL, &pkt->pkt[pkt->offset], pkt->length);
+
+	m->pkt_len = pkt->length;
+	m->data_len = (uint16_t)pkt->length;
+	m->data_off = (uint16_t)pkt->offset;
+	rte_mbuf_refcnt_update(m, 1);
+
+	p->stats.n_pkts++;
+	p->stats.n_bytes += pkt->length;
+
+	p->pkts[p->n_pkts++] = m;
+	if (p->n_pkts == (int)p->params.burst_size)
+		__writer_flush(p);
+}
+
 static void
 writer_flush(void *port)
 {
@@ -308,6 +336,7 @@  struct rte_swx_port_out_ops rte_swx_port_ethdev_writer_ops = {
 	.create = writer_create,
 	.free = writer_free,
 	.pkt_tx = writer_pkt_tx,
+	.pkt_clone_tx = writer_pkt_clone_tx,
 	.flush = writer_flush,
 	.stats_read = writer_stats_read,
 };
diff --git a/lib/port/rte_swx_port_fd.c b/lib/port/rte_swx_port_fd.c
index 51bcd3bb7b..1806772c04 100644
--- a/lib/port/rte_swx_port_fd.c
+++ b/lib/port/rte_swx_port_fd.c
@@ -249,6 +249,34 @@  writer_pkt_tx(void *port, struct rte_swx_pkt *pkt)
 		__writer_flush(p);
 }
 
+static void
+writer_pkt_clone_tx(void *port, struct rte_swx_pkt *pkt)
+{
+	struct writer *p = port;
+	struct rte_mbuf *m = pkt->handle;
+
+	TRACE("[FD %u] Pkt %u (%u bytes at offset %u) (clone)\n",
+		(uint32_t)p->params.fd,
+		p->n_pkts - 1,
+		pkt->length,
+		pkt->offset);
+
+	if (TRACE_LEVEL)
+		rte_hexdump(stdout, NULL, &pkt->pkt[pkt->offset], pkt->length);
+
+	m->pkt_len = pkt->length;
+	m->data_len = (uint16_t)pkt->length;
+	m->data_off = (uint16_t)pkt->offset;
+	rte_mbuf_refcnt_update(m, 1);
+
+	p->stats.n_pkts++;
+	p->stats.n_bytes += pkt->length;
+
+	p->pkts[p->n_pkts++] = m;
+	if (p->n_pkts == p->params.burst_size)
+		__writer_flush(p);
+}
+
 static void
 writer_flush(void *port)
 {
@@ -293,6 +321,7 @@  struct rte_swx_port_out_ops rte_swx_port_fd_writer_ops = {
 	.create = writer_create,
 	.free = writer_free,
 	.pkt_tx = writer_pkt_tx,
+	.pkt_clone_tx = writer_pkt_clone_tx,
 	.flush = writer_flush,
 	.stats_read = writer_stats_read,
 };
diff --git a/lib/port/rte_swx_port_ring.c b/lib/port/rte_swx_port_ring.c
index 8a076a2135..f6a36e7fa1 100644
--- a/lib/port/rte_swx_port_ring.c
+++ b/lib/port/rte_swx_port_ring.c
@@ -264,6 +264,33 @@  writer_pkt_tx(void *port, struct rte_swx_pkt *pkt)
 		__writer_flush(p);
 }
 
+static void
+writer_pkt_clone_tx(void *port, struct rte_swx_pkt *pkt)
+{
+	struct writer *p = port;
+	struct rte_mbuf *m = pkt->handle;
+
+	TRACE("[Ring %s] Pkt %d (%u bytes at offset %u) (clone)\n",
+	      p->params.name,
+	      p->n_pkts - 1,
+	      pkt->length,
+	      pkt->offset);
+	if (TRACE_LEVEL)
+		rte_hexdump(stdout, NULL, &pkt->pkt[pkt->offset], pkt->length);
+
+	m->pkt_len = pkt->length;
+	m->data_len = (uint16_t)pkt->length;
+	m->data_off = (uint16_t)pkt->offset;
+	rte_mbuf_refcnt_update(m, 1);
+
+	p->stats.n_pkts++;
+	p->stats.n_bytes += pkt->length;
+
+	p->pkts[p->n_pkts++] = m;
+	if (p->n_pkts == (int)p->params.burst_size)
+		__writer_flush(p);
+}
+
 static void
 writer_flush(void *port)
 {
@@ -312,6 +339,7 @@  struct rte_swx_port_out_ops rte_swx_port_ring_writer_ops = {
 	.create = writer_create,
 	.free = writer_free,
 	.pkt_tx = writer_pkt_tx,
+	.pkt_clone_tx = writer_pkt_clone_tx,
 	.flush = writer_flush,
 	.stats_read = writer_stats_read,
 };
diff --git a/lib/port/rte_swx_port_source_sink.c b/lib/port/rte_swx_port_source_sink.c
index 93c346cfb1..1dd446f3ab 100644
--- a/lib/port/rte_swx_port_source_sink.c
+++ b/lib/port/rte_swx_port_source_sink.c
@@ -319,6 +319,40 @@  sink_pkt_tx(void *port, struct rte_swx_pkt *pkt)
 	rte_pktmbuf_free(m);
 }
 
+static void
+sink_pkt_clone_tx(void *port, struct rte_swx_pkt *pkt)
+{
+	struct sink *p = port;
+	struct rte_mbuf *m = pkt->handle;
+
+	TRACE("[Sink port] Pkt TX (%u bytes at offset %u)\n",
+	      pkt->length,
+	      pkt->offset);
+	if (TRACE_LEVEL)
+		rte_hexdump(stdout, NULL, &pkt->pkt[pkt->offset], pkt->length);
+
+	m->pkt_len = pkt->length;
+	m->data_len = (uint16_t)pkt->length;
+	m->data_off = (uint16_t)pkt->offset;
+
+	p->stats.n_pkts++;
+	p->stats.n_bytes += pkt->length;
+
+#ifdef RTE_PORT_PCAP
+	if (p->f_dump) {
+		struct pcap_pkthdr pcap_pkthdr;
+		uint8_t *m_data = rte_pktmbuf_mtod(m, uint8_t *);
+
+		pcap_pkthdr.len = m->pkt_len;
+		pcap_pkthdr.caplen = m->data_len;
+		gettimeofday(&pcap_pkthdr.ts, NULL);
+
+		pcap_dump((uint8_t *)p->f_dump, &pcap_pkthdr, m_data);
+		pcap_dump_flush(p->f_dump);
+	}
+#endif
+}
+
 static void
 sink_stats_read(void *port, struct rte_swx_port_out_stats *stats)
 {
@@ -337,6 +371,7 @@  struct rte_swx_port_out_ops rte_swx_port_sink_ops = {
 	.create = sink_create,
 	.free = sink_free,
 	.pkt_tx = sink_pkt_tx,
+	.pkt_clone_tx = sink_pkt_clone_tx,
 	.flush = NULL,
 	.stats_read = sink_stats_read,
 };