[PATCH net-next v3] octeon_ep: support Octeon device CNF95N

From: Veerasenareddy Burru
Date: Tue Nov 01 2022 - 12:43:49 EST


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@xxxxxxxxxxx>
---
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 | 19 ++++++++++++++++---
.../ethernet/marvell/octeon_ep/octep_main.h | 2 ++
3 files changed, 19 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..e956c1059fc8 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 +952,9 @@ 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: 6f1a298b2e24c703bfcc643e41bc7c0604fe4830
--
2.36.0