This patch add port based mirroring support for the mirror lib.
The port based mirroring is unconditional traffic mirroring
between 2 ethdev ports.
Signed-off-by: Liang-min Wang <liang-min.w...@intel.com>
Signed-off-by: Patrick Fu <patrick...@intel.com>
Signed-off-by: Timothy Miskell <timothy.misk...@intel.com>
---
lib/librte_mirror/rte_mirror.c | 57 ++++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/lib/librte_mirror/rte_mirror.c b/lib/librte_mirror/rte_mirror.c
index f2a85976a..d2c0d8eab 100644
--- a/lib/librte_mirror/rte_mirror.c
+++ b/lib/librte_mirror/rte_mirror.c
@@ -196,6 +196,57 @@ mirror_pkt_update(struct rte_mbuf *pkt, uint16_t
dst_vlan_id)
rte_mbuf_refcnt_update(pkt, 1);
}
+static inline uint16_t
+mirror_port_cb(uint16_t qidx, struct rte_mbuf **pkts,
+ uint16_t nb_pkts, void *user_params)
+{
+ struct rte_mirror_param *data = user_params;
+ uint16_t i, dst_qidx;
+ uint16_t pkt_trans;
+ uint16_t dst_port_id = data->dst_port_id;
+ uint16_t dst_vlan_id = data->dst_vlan_id;
+
+ if (nb_pkts == 0)
+ return 0;
+
+ for (i = 0; i < nb_pkts; i++)
+ mirror_pkt_update(pkts[i], dst_vlan_id);
+
+ dst_qidx = data->n_dst_queue > qidx ? qidx : data->n_dst_queue - 1;
+
+ rte_spinlock_lock(&data->locks[dst_qidx]);
+ pkt_trans = rte_eth_tx_burst(dst_port_id, dst_qidx, pkts, nb_pkts);
+ rte_spinlock_unlock(&data->locks[dst_qidx]);
+ if (pkt_trans != nb_pkts)
+ RTE_ETHDEV_LOG(ERR, "%d packets for tapping but "
+ "only %d packet get through\n", nb_pkts, pkt_trans);
+
+ for (i = 0; i < nb_pkts; i++)
+ pkts[i]->ol_flags &= ~VLAN_INSERT_FLAG;
+
+ while (unlikely(pkt_trans < nb_pkts)) {
+ rte_pktmbuf_free(pkts[pkt_trans]);
+ pkt_trans++;
+ }
+
+ return nb_pkts;
+}
+
+static uint16_t
+mirror_rx_port_cb(uint16_t port_id __rte_unused, uint16_t qidx,
+ struct rte_mbuf **pkts, uint16_t nb_pkts,
+ uint16_t max_pkts __rte_unused, void *user_params)
+{
+ return mirror_port_cb(qidx, pkts, nb_pkts, user_params);
+}
+
+static uint16_t
+mirror_tx_port_cb(uint16_t port_id __rte_unused, uint16_t qidx,
+ struct rte_mbuf **pkts, uint16_t nb_pkts, void *user_params)
+{
+ return mirror_port_cb(qidx, pkts, nb_pkts, user_params);
+}
+
int
rte_mirror_offload_register(uint16_t src_port,
struct rte_mirror_param *param, int tx_cb)
@@ -221,6 +272,12 @@ rte_mirror_offload_register(uint16_t src_port,
}
switch (data->mirror_type) {
+ case rte_mirror_type_port:
+ if (tx_cb)
+ tx_fn = mirror_tx_port_cb;
+ else
+ rx_fn = mirror_rx_port_cb;
+ break;
default:
MIRROR_LOG(ERR, "Un-supported mirror offloading type!!!\n");
return -ENOTSUP;
--
2.18.4
