From: Ganesh Goudar <ganeshgr@chelsio.com>
Date: Thu, 28 Dec 2017 12:07:15 +0530
Subject: cxgb4/cxgb4vf: support for XLAUI Port Type
Patch-mainline: v4.16-rc1
Git-commit: b39ab1409769994129057940eafbdf2460e6e8b0
References: bsc#1104279 FATE#325938 bsc#1104277 FATE#325936

Add support for new Backplane XLAUI port type.

Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c  |   10 +++++++++-
 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c          |    1 +
 drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h       |    1 +
 drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c |   10 +++++++++-
 4 files changed, 20 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
@@ -517,7 +517,8 @@ static int from_fw_port_mod_type(enum fw
 		else
 			return PORT_OTHER;
 	} else if (port_type == FW_PORT_TYPE_KR4_100G ||
-		   port_type == FW_PORT_TYPE_KR_SFP28) {
+		   port_type == FW_PORT_TYPE_KR_SFP28 ||
+		   port_type == FW_PORT_TYPE_KR_XLAUI) {
 		return PORT_NONE;
 	}
 
@@ -645,6 +646,13 @@ static void fw_caps_to_lmm(enum fw_port_
 		FW_CAPS_TO_LMM(SPEED_25G, 25000baseKR_Full);
 		break;
 
+	case FW_PORT_TYPE_KR_XLAUI:
+		SET_LMM(Backplane);
+		FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
+		FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
+		FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full);
+		break;
+
 	case FW_PORT_TYPE_CR2_QSFP:
 		SET_LMM(FIBRE);
 		SET_LMM(50000baseSR2_Full);
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -6083,6 +6083,7 @@ const char *t4_get_port_type_description
 		"CR2_QSFP",
 		"SFP28",
 		"KR_SFP28",
+		"KR_XLAUI"
 	};
 
 	if (port_type < ARRAY_SIZE(port_type_description))
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -2836,6 +2836,7 @@ enum fw_port_type {
 	FW_PORT_TYPE_CR2_QSFP,
 	FW_PORT_TYPE_SFP28,
 	FW_PORT_TYPE_KR_SFP28,
+	FW_PORT_TYPE_KR_XLAUI,
 
 	FW_PORT_TYPE_NONE = FW_PORT_CMD_PTYPE_M
 };
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -1229,7 +1229,8 @@ static int from_fw_port_mod_type(enum fw
 		else
 			return PORT_OTHER;
 	} else if (port_type == FW_PORT_TYPE_KR4_100G ||
-		   port_type == FW_PORT_TYPE_KR_SFP28) {
+		   port_type == FW_PORT_TYPE_KR_SFP28 ||
+		   port_type == FW_PORT_TYPE_KR_XLAUI) {
 		return PORT_NONE;
 	}
 
@@ -1323,6 +1324,13 @@ static void fw_caps_to_lmm(enum fw_port_
 		SET_LMM(25000baseKR_Full);
 		break;
 
+	case FW_PORT_TYPE_KR_XLAUI:
+		SET_LMM(Backplane);
+		FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
+		FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
+		FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full);
+		break;
+
 	case FW_PORT_TYPE_CR2_QSFP:
 		SET_LMM(FIBRE);
 		SET_LMM(50000baseSR2_Full);