netdev - [PATCH net-next] liquidio: Add support for liquidio 10GBase-T NIC

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Message-ID: <20180314050445.GA8221@felix-thinkpad.cavium.com>
Date:   Tue, 13 Mar 2018 22:04:45 -0700
From:   Felix Manlunas <felix.manlunas@...ium.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, raghu.vatsavayi@...ium.com,
        derek.chickles@...ium.com, satananda.burla@...ium.com,
        felix.manlunas@...ium.com, veerasenareddy.burru@...ium.com
Subject: [PATCH net-next] liquidio: Add support for liquidio 10GBase-T NIC

From: Veerasenareddy Burru <veerasenareddy.burru@...ium.com>

Added ethtool changes to show port type as TP (Twisted Pair) for
10GBASE-T ports. Same driver and firmware works for liquidio NIC with
SFP+ ports or TP ports.

Signed-off-by: Veerasenareddy Burru <veerasenareddy.burru@...ium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@...ium.com>
---
 drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 24 ++++++++++++++++------
 .../net/ethernet/cavium/liquidio/liquidio_common.h | 12 +++++++++--
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index a63ddf0..550ac29 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -232,10 +232,16 @@ static int lio_get_link_ksettings(struct net_device *netdev,
 
 	linfo = &lio->linfo;
 
-	if (linfo->link.s.if_mode == INTERFACE_MODE_XAUI ||
-	    linfo->link.s.if_mode == INTERFACE_MODE_RXAUI ||
-	    linfo->link.s.if_mode == INTERFACE_MODE_XLAUI ||
-	    linfo->link.s.if_mode == INTERFACE_MODE_XFI) {
+	switch (linfo->link.s.phy_type) {
+	case LIO_PHY_PORT_TP:
+		ecmd->base.port = PORT_TP;
+		supported = (SUPPORTED_10000baseT_Full |
+			     SUPPORTED_TP | SUPPORTED_Pause);
+		advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Pause);
+		ecmd->base.autoneg = AUTONEG_DISABLE;
+		break;
+
+	case LIO_PHY_PORT_FIBRE:
 		ecmd->base.port = PORT_FIBRE;
 
 		if (linfo->link.s.speed == SPEED_10000) {
@@ -245,12 +251,18 @@ static int lio_get_link_ksettings(struct net_device *netdev,
 
 		supported |= SUPPORTED_FIBRE | SUPPORTED_Pause;
 		advertising |= ADVERTISED_Pause;
+		ecmd->base.autoneg = AUTONEG_DISABLE;
+		break;
+	}
+
+	if (linfo->link.s.if_mode == INTERFACE_MODE_XAUI ||
+	    linfo->link.s.if_mode == INTERFACE_MODE_RXAUI ||
+	    linfo->link.s.if_mode == INTERFACE_MODE_XLAUI ||
+	    linfo->link.s.if_mode == INTERFACE_MODE_XFI) {
 		ethtool_convert_legacy_u32_to_link_mode(
 			ecmd->link_modes.supported, supported);
 		ethtool_convert_legacy_u32_to_link_mode(
 			ecmd->link_modes.advertising, advertising);
-		ecmd->base.autoneg = AUTONEG_DISABLE;
-
 	} else {
 		dev_err(&oct->pci_dev->dev, "Unknown link interface reported %d\n",
 			linfo->link.s.if_mode);
diff --git a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h
index 522dcc4..ae8566c 100644
--- a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h
+++ b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h
@@ -675,9 +675,11 @@ struct octeon_instr_rdp {
 		u64 if_mode:5;
 		u64 pause:1;
 		u64 flashing:1;
-		u64 reserved:15;
+		u64 phy_type:5;
+		u64 reserved:10;
 #else
-		u64 reserved:15;
+		u64 reserved:10;
+		u64 phy_type:5;
 		u64 flashing:1;
 		u64 pause:1;
 		u64 if_mode:5;
@@ -690,6 +692,12 @@ struct octeon_instr_rdp {
 	} s;
 };
 
+enum lio_phy_type {
+	LIO_PHY_PORT_TP = 0x0,
+	LIO_PHY_PORT_FIBRE = 0x1,
+	LIO_PHY_PORT_UNKNOWN,
+};
+
 /** The txpciq info passed to host from the firmware */
 
 union oct_txpciq {
-- 
1.8.3.1