[PATCH v2 13/16] net/enetc: add support for VFs

[nipun . gupta]

From: Gagandeep Singh <g.si...@nxp.com>

Add virtual function support for enetc devices

Signed-off-by: Gagandeep Singh <g.si...@nxp.com>
---
 drivers/net/enetc/enetc_ethdev.c | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c
index 7cdb8ce463..1b4337bc48 100644
--- a/drivers/net/enetc/enetc_ethdev.c
+++ b/drivers/net/enetc/enetc_ethdev.c
@@ -19,6 +19,9 @@ enetc_dev_start(struct rte_eth_dev *dev)
        uint32_t val;
 
        PMD_INIT_FUNC_TRACE();
+       if (hw->device_id == ENETC_DEV_ID_VF)
+               return 0;
+
        val = enetc_port_rd(enetc_hw, ENETC_PM0_CMD_CFG);
        enetc_port_wr(enetc_hw, ENETC_PM0_CMD_CFG,
                      val | ENETC_PM0_TX_EN | ENETC_PM0_RX_EN);
@@ -55,6 +58,9 @@ enetc_dev_stop(struct rte_eth_dev *dev)
 
        PMD_INIT_FUNC_TRACE();
        dev->data->dev_started = 0;
+       if (hw->device_id == ENETC_DEV_ID_VF)
+               return 0;
+
        /* Disable port */
        val = enetc_port_rd(enetc_hw, ENETC_PMR);
        enetc_port_wr(enetc_hw, ENETC_PMR, val & (~ENETC_PMR_EN));
@@ -160,11 +166,20 @@ enetc_hardware_init(struct enetc_eth_hw *hw)
        /* Enabling Station Interface */
        enetc_wr(enetc_hw, ENETC_SIMR, ENETC_SIMR_EN);
 
-       *mac = (uint32_t)enetc_port_rd(enetc_hw, ENETC_PSIPMAR0(0));
-       high_mac = (uint32_t)*mac;
-       mac++;
-       *mac = (uint16_t)enetc_port_rd(enetc_hw, ENETC_PSIPMAR1(0));
-       low_mac = (uint16_t)*mac;
+
+       if (hw->device_id == ENETC_DEV_ID_VF) {
+               *mac = (uint32_t)enetc_rd(enetc_hw, ENETC_SIPMAR0);
+               high_mac = (uint32_t)*mac;
+               mac++;
+               *mac = (uint32_t)enetc_rd(enetc_hw, ENETC_SIPMAR1);
+               low_mac = (uint16_t)*mac;
+       } else {
+               *mac = (uint32_t)enetc_port_rd(enetc_hw, ENETC_PSIPMAR0(0));
+               high_mac = (uint32_t)*mac;
+               mac++;
+               *mac = (uint16_t)enetc_port_rd(enetc_hw, ENETC_PSIPMAR1(0));
+               low_mac = (uint16_t)*mac;
+       }
 
        if ((high_mac | low_mac) == 0) {
                char *first_byte;
-- 
2.17.1