[dpdk-dev] [PATCH] net/octeontx2: disable HIGIG on port stop

[kirankumark]

From: Kiran Kumar K <kirankum...@marvell.com>

If HIGIG mode is enabled on configure, This needs to be disabled
on port stop. Adding support to send mbox message on port stop
to configure the port to default.

Signed-off-by: Kiran Kumar K <kirankum...@marvell.com>
---
 drivers/net/octeontx2/otx2_ethdev.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/octeontx2/otx2_ethdev.c 
b/drivers/net/octeontx2/otx2_ethdev.c
index 268b383db..11f8c786b 100644
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -93,7 +93,7 @@ nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, 
uint32_t nb_txq)
 }
 
 static int
-nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev)
+nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev, bool enable)
 {
        struct otx2_mbox *mbox = dev->mbox;
        struct npc_set_pkind *req;
@@ -106,12 +106,16 @@ nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev)
        /* Notify AF about higig2 config */
        req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
        req->mode = dev->npc_flow.switch_header_type;
+       if (enable == 0)
+               req->mode = OTX2_PRIV_FLAGS_DEFAULT;
        req->dir = PKIND_RX;
        rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
        if (rc)
                return rc;
        req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
        req->mode = dev->npc_flow.switch_header_type;
+       if (enable == 0)
+               req->mode = OTX2_PRIV_FLAGS_DEFAULT;
        req->dir = PKIND_TX;
        return otx2_mbox_process_msg(mbox, (void *)&rsp);
 }
@@ -1648,7 +1652,7 @@ otx2_nix_configure(struct rte_eth_dev *eth_dev)
                goto free_nix_lf;
        }
 
-       rc = nix_lf_switch_header_type_enable(dev);
+       rc = nix_lf_switch_header_type_enable(dev, true);
        if (rc) {
                otx2_err("Failed to enable switch type nix_lf rc=%d", rc);
                goto free_nix_lf;
@@ -1882,6 +1886,7 @@ otx2_nix_dev_stop(struct rte_eth_dev *eth_dev)
        struct otx2_eth_rxq *rxq;
        int count, i, j, rc;
 
+       nix_lf_switch_header_type_enable(dev, false);
        nix_cgx_stop_link_event(dev);
        npc_rx_disable(dev);
 
-- 
2.17.1