netdev - [PATCH net-next v4] octeon_ep: support Octeon device CNF95N

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Date:   Wed, 2 Nov 2022 23:05:57 -0700
From:   Veerasenareddy Burru <vburru@...vell.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lironh@...vell.com>, <aayarekar@...vell.com>,
        <sedara@...vell.com>, <sburla@...vell.com>
CC:     <linux-doc@...r.kernel.org>,
        Veerasenareddy Burru <vburru@...vell.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "Jonathan Corbet" <corbet@....net>
Subject: [PATCH net-next v4] octeon_ep: support Octeon device CNF95N

Add support for Octeon device CNF95N.
CNF95N is a Octeon Fusion family product with same PCI NIC
characteristics as CN93 which is currently supported by the driver.

update supported device list in Documentation.

Signed-off-by: Veerasenareddy Burru <vburru@...vell.com>
---
V3 -> V4:
  - fix the lines exceeding 80 columns
V2 -> V3:
  - fixed the prefix in subject: "net-next PATCH" to "PATCH net-next".
V1 -> V2:
  - update supported device list in Documentation.

 .../ethernet/marvell/octeon_ep.rst            |  1 +
 .../ethernet/marvell/octeon_ep/octep_main.c   | 20 ++++++++++++++++---
 .../ethernet/marvell/octeon_ep/octep_main.h   |  2 ++
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst b/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst
index bc562c49011b..cad96c8d1f97 100644
--- a/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst
+++ b/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst
@@ -23,6 +23,7 @@ Supported Devices
 =================
 Currently, this driver support following devices:
  * Network controller: Cavium, Inc. Device b200
+ * Network controller: Cavium, Inc. Device b400
 
 Interface Control
 =================
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
index 9089adcb75f9..1cbfa800a8af 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
@@ -23,6 +23,7 @@ struct workqueue_struct *octep_wq;
 /* Supported Devices */
 static const struct pci_device_id octep_pci_id_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, OCTEP_PCI_DEVICE_ID_CN93_PF)},
+	{PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, OCTEP_PCI_DEVICE_ID_CNF95N_PF)},
 	{0, },
 };
 MODULE_DEVICE_TABLE(pci, octep_pci_id_tbl);
@@ -907,6 +908,18 @@ static void octep_ctrl_mbox_task(struct work_struct *work)
 	}
 }
 
+static const char *octep_devid_to_str(struct octep_device *oct)
+{
+	switch (oct->chip_id) {
+	case OCTEP_PCI_DEVICE_ID_CN93_PF:
+		return "CN93XX";
+	case OCTEP_PCI_DEVICE_ID_CNF95N_PF:
+		return "CNF95N";
+	default:
+		return "Unsupported";
+	}
+}
+
 /**
  * octep_device_setup() - Setup Octeon Device.
  *
@@ -939,9 +952,10 @@ int octep_device_setup(struct octep_device *oct)
 
 	switch (oct->chip_id) {
 	case OCTEP_PCI_DEVICE_ID_CN93_PF:
-		dev_info(&pdev->dev,
-			 "Setting up OCTEON CN93XX PF PASS%d.%d\n",
-			 OCTEP_MAJOR_REV(oct), OCTEP_MINOR_REV(oct));
+	case OCTEP_PCI_DEVICE_ID_CNF95N_PF:
+		dev_info(&pdev->dev, "Setting up OCTEON %s PF PASS%d.%d\n",
+			 octep_devid_to_str(oct), OCTEP_MAJOR_REV(oct),
+			 OCTEP_MINOR_REV(oct));
 		octep_device_setup_cn93_pf(oct);
 		break;
 	default:
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.h b/drivers/net/ethernet/marvell/octeon_ep/octep_main.h
index 025626a61383..123ffc13754d 100644
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.h
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.h
@@ -21,6 +21,8 @@
 #define  OCTEP_PCI_DEVICE_ID_CN93_PF 0xB200
 #define  OCTEP_PCI_DEVICE_ID_CN93_VF 0xB203
 
+#define  OCTEP_PCI_DEVICE_ID_CNF95N_PF 0xB400    //95N PF
+
 #define  OCTEP_MAX_QUEUES   63
 #define  OCTEP_MAX_IQ       OCTEP_MAX_QUEUES
 #define  OCTEP_MAX_OQ       OCTEP_MAX_QUEUES

base-commit: d3a4706339da26633316357efe7ab9a92ff29b2a
-- 
2.36.0