[PATCH v2 04/11] net/octeontx: handle port reconfiguration

[Harman Kalra]

Adding support for port reconfiguration as user may require to
do so on a running system.

Signed-off-by: Harman Kalra <hka...@marvell.com>
---
 drivers/net/octeontx/octeontx_ethdev.c | 38 +++++++++++++++-----------
 drivers/net/octeontx/octeontx_ethdev.h |  1 +
 2 files changed, 23 insertions(+), 16 deletions(-)

diff --git a/drivers/net/octeontx/octeontx_ethdev.c 
b/drivers/net/octeontx/octeontx_ethdev.c
index 9b13e22089..9351fcb5c7 100644
--- a/drivers/net/octeontx/octeontx_ethdev.c
+++ b/drivers/net/octeontx/octeontx_ethdev.c
@@ -518,30 +518,34 @@ octeontx_dev_configure(struct rte_eth_dev *dev)
 
        nic->num_tx_queues = dev->data->nb_tx_queues;
 
-       ret = octeontx_pko_channel_open(nic->pko_vfid * PKO_VF_NUM_DQ,
-                                       nic->num_tx_queues,
-                                       nic->base_ochan);
-       if (ret) {
-               octeontx_log_err("failed to open channel %d no-of-txq %d",
-                          nic->base_ochan, nic->num_tx_queues);
-               return -EFAULT;
-       }
+       if (!nic->reconfigure) {
+               ret = octeontx_pko_channel_open(nic->pko_vfid * PKO_VF_NUM_DQ,
+                                               nic->num_tx_queues,
+                                               nic->base_ochan);
+               if (ret) {
+                       octeontx_log_err("failed to open channel %d no-of-txq 
%d",
+                                        nic->base_ochan, nic->num_tx_queues);
+                       return -EFAULT;
+               }
 
-       ret = octeontx_dev_vlan_offload_init(dev);
-       if (ret) {
-               octeontx_log_err("failed to initialize vlan offload");
-               return -EFAULT;
-       }
+               ret = octeontx_dev_vlan_offload_init(dev);
+               if (ret) {
+                       octeontx_log_err("failed to initialize vlan offload");
+                       return -EFAULT;
+               }
 
-       nic->pki.classifier_enable = false;
-       nic->pki.hash_enable = true;
-       nic->pki.initialized = false;
+               nic->pki.classifier_enable = false;
+               nic->pki.hash_enable = true;
+               nic->pki.initialized = false;
+       }
 
        nic->rx_offloads |= rxmode->offloads;
        nic->tx_offloads |= txmode->offloads;
        nic->rx_offload_flags |= octeontx_rx_offload_flags(dev);
        nic->tx_offload_flags |= octeontx_tx_offload_flags(dev);
 
+       nic->reconfigure = true;
+
        return 0;
 }
 
@@ -583,6 +587,7 @@ octeontx_dev_close(struct rte_eth_dev *dev)
        }
 
        octeontx_port_close(nic);
+       nic->reconfigure = false;
 
        return 0;
 }
@@ -1431,6 +1436,7 @@ octeontx_create(struct rte_vdev_device *dev, int port, 
uint8_t evdev,
        nic->ev_queues = 1;
        nic->ev_ports = 1;
        nic->print_flag = -1;
+       nic->reconfigure = false;
 
        data->dev_link.link_status = RTE_ETH_LINK_DOWN;
        data->dev_started = 0;
diff --git a/drivers/net/octeontx/octeontx_ethdev.h 
b/drivers/net/octeontx/octeontx_ethdev.h
index c493fa7a03..7e04faddb8 100644
--- a/drivers/net/octeontx/octeontx_ethdev.h
+++ b/drivers/net/octeontx/octeontx_ethdev.h
@@ -144,6 +144,7 @@ struct octeontx_nic {
        struct octeontx_vlan_info vlan_info;
        int print_flag;
        struct octeontx_fc_info fc;
+       bool reconfigure;
 } __rte_cache_aligned;
 
 struct octeontx_txq {
-- 
2.18.0