[dpdk-stable] [PATCH 1/2] net/octeontx: add channel to port id mapping

[Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>]

The channel to port id map is used by event octeontx to map the received
wqe to the respective ethdev port.

[ backported from upstream commit 989d492620f1 ]

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
---
 drivers/net/octeontx/octeontx_ethdev.c            | 6 ++++++
 drivers/net/octeontx/octeontx_ethdev.h            | 6 ++++++
 drivers/net/octeontx/rte_pmd_octeontx_version.map | 3 +++
 3 files changed, 15 insertions(+)

diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
index b52700e4c..eca3a39fd 100644
--- a/drivers/net/octeontx/octeontx_ethdev.c
+++ b/drivers/net/octeontx/octeontx_ethdev.c
@@ -54,6 +54,9 @@ struct octeontx_vdev_init_params {
 	uint8_t	nr_port;
 };
 
+uint16_t
+rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
+
 enum octeontx_link_speed {
 	OCTEONTX_LINK_SPEED_SGMII,
 	OCTEONTX_LINK_SPEED_XAUI,
@@ -1133,6 +1136,9 @@ octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
 				nic->num_tx_queues);
 	PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
 
+	rte_octeontx_pchan_map[(nic->base_ochan >> 8) & 0x7]
+		[(nic->base_ochan >> 4) & 0xF] = data->port_id;
+
 	return data->port_id;
 
 err:
diff --git a/drivers/net/octeontx/octeontx_ethdev.h b/drivers/net/octeontx/octeontx_ethdev.h
index c47d4c6d3..d37bb8a23 100644
--- a/drivers/net/octeontx/octeontx_ethdev.h
+++ b/drivers/net/octeontx/octeontx_ethdev.h
@@ -52,12 +52,18 @@
 #define OCTEONTX_VDEV_NR_PORT_ARG		("nr_port")
 #define OCTEONTX_MAX_NAME_LEN			32
 
+#define OCTEONTX_MAX_BGX_PORTS			4
+#define OCTEONTX_MAX_LMAC_PER_BGX		4
+
 static inline struct octeontx_nic *
 octeontx_pmd_priv(struct rte_eth_dev *dev)
 {
 	return dev->data->dev_private;
 }
 
+extern uint16_t
+rte_octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];
+
 /* Octeontx ethdev nic */
 struct octeontx_nic {
 	struct rte_eth_dev *dev;
diff --git a/drivers/net/octeontx/rte_pmd_octeontx_version.map b/drivers/net/octeontx/rte_pmd_octeontx_version.map
index a70bd197b..40d68c79e 100644
--- a/drivers/net/octeontx/rte_pmd_octeontx_version.map
+++ b/drivers/net/octeontx/rte_pmd_octeontx_version.map
@@ -1,4 +1,7 @@
 DPDK_17.11 {
+	global:
+
+	rte_octeontx_pchan_map;
 
 	local: *;
 };
-- 
2.16.1