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

Signed-off-by: Pavan Nikhilesh <pbhagavat...@caviumnetworks.com>
Acked-by: Santosh Shukla <santosh.shu...@caviumnetworks.com>
---

 v3 changes:
  - Add rte_ prefix to shared variable octeontx_pchan_map.

 v2 changes:
   - Used extern instead of defining global variable

 drivers/net/octeontx/octeontx_ethdev.c            | 6 ++++++
 drivers/net/octeontx/octeontx_ethdev.h            | 6 ++++++
 drivers/net/octeontx/rte_pmd_octeontx_version.map | 7 +++++++
 3 files changed, 19 insertions(+)

diff --git a/drivers/net/octeontx/octeontx_ethdev.c 
b/drivers/net/octeontx/octeontx_ethdev.c
index bd24ec330..deb41d80b 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..a741274ce 100644
--- a/drivers/net/octeontx/rte_pmd_octeontx_version.map
+++ b/drivers/net/octeontx/rte_pmd_octeontx_version.map
@@ -2,3 +2,10 @@ DPDK_17.11 {

        local: *;
 };
+
+DPDK_18.04 {
+       global:
+
+       rte_octeontx_pchan_map;
+
+};
--
2.14.1

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