[dpdk-dev] [PATCH 1/7] net/ixgbe/base: support Broadwell-DE XFI backplane

[Wei Dai <wei.dai@intel.com>]

This patch adds initial support for a Braodwell-DE XFI backplane
interface. The XFI backplane requires a custom tuned link.
Hardware/Firmware owns the link config for XF backplane and software
must not interfere with it.

Signed-off-by: Wei Dai <wei.dai@intel.com>
---
 drivers/net/ixgbe/base/ixgbe_api.c  |  1 +
 drivers/net/ixgbe/base/ixgbe_type.h |  2 ++
 drivers/net/ixgbe/base/ixgbe_x550.c | 11 +++++++++++
 3 files changed, 14 insertions(+)

diff --git a/drivers/net/ixgbe/base/ixgbe_api.c b/drivers/net/ixgbe/base/ixgbe_api.c
index 0ddafcb..270a97d 100644
--- a/drivers/net/ixgbe/base/ixgbe_api.c
+++ b/drivers/net/ixgbe/base/ixgbe_api.c
@@ -205,6 +205,7 @@ s32 ixgbe_set_mac_type(struct ixgbe_hw *hw)
 	case IXGBE_DEV_ID_X550EM_X_10G_T:
 	case IXGBE_DEV_ID_X550EM_X_1G_T:
 	case IXGBE_DEV_ID_X550EM_X_SFP:
+	case IXGBE_DEV_ID_X550EM_X_XFI:
 		hw->mac.type = ixgbe_mac_X550EM_x;
 		hw->mvals = ixgbe_mvals_X550EM_x;
 		break;
diff --git a/drivers/net/ixgbe/base/ixgbe_type.h b/drivers/net/ixgbe/base/ixgbe_type.h
index b609f6e..dea210e 100644
--- a/drivers/net/ixgbe/base/ixgbe_type.h
+++ b/drivers/net/ixgbe/base/ixgbe_type.h
@@ -146,6 +146,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #define IXGBE_DEV_ID_X550EM_X_SFP		0x15AC
 #define IXGBE_DEV_ID_X550EM_X_10G_T		0x15AD
 #define IXGBE_DEV_ID_X550EM_X_1G_T		0x15AE
+#define IXGBE_DEV_ID_X550EM_X_XFI		0x15B0
 #define IXGBE_DEV_ID_X550_VF_HV			0x1564
 #define IXGBE_DEV_ID_X550_VF			0x1565
 #define IXGBE_DEV_ID_X550EM_A_VF		0x15C5
@@ -3644,6 +3645,7 @@ enum ixgbe_phy_type {
 	ixgbe_phy_aq,
 	ixgbe_phy_x550em_kr,
 	ixgbe_phy_x550em_kx4,
+	ixgbe_phy_x550em_xfi,
 	ixgbe_phy_x550em_ext_t,
 	ixgbe_phy_cu_unknown,
 	ixgbe_phy_qt,
diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index 782ca91..2f7f446 100644
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -450,6 +450,9 @@ STATIC s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
 	case IXGBE_DEV_ID_X550EM_X_KX4:
 		hw->phy.type = ixgbe_phy_x550em_kx4;
 		break;
+	case IXGBE_DEV_ID_X550EM_X_XFI:
+		hw->phy.type = ixgbe_phy_x550em_xfi;
+		break;
 	case IXGBE_DEV_ID_X550EM_X_KR:
 	case IXGBE_DEV_ID_X550EM_A_KR:
 	case IXGBE_DEV_ID_X550EM_A_KR_L:
@@ -1573,6 +1576,7 @@ enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
 	switch (hw->device_id) {
 	case IXGBE_DEV_ID_X550EM_X_KR:
 	case IXGBE_DEV_ID_X550EM_X_KX4:
+	case IXGBE_DEV_ID_X550EM_X_XFI:
 	case IXGBE_DEV_ID_X550EM_A_KR:
 	case IXGBE_DEV_ID_X550EM_A_KR_L:
 		media_type = ixgbe_media_type_backplane;
@@ -2395,6 +2399,12 @@ s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
 		phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
 		phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
 		break;
+	case ixgbe_phy_x550em_xfi:
+		/* link is managed by HW */
+		phy->ops.setup_link = NULL;
+		phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
+		phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
+		break;
 	case ixgbe_phy_x550em_ext_t:
 		/* If internal link mode is XFI, then setup iXFI internal link,
 		 * else setup KR now.
@@ -3669,6 +3679,7 @@ u32 ixgbe_get_supported_physical_layer_X550em(struct ixgbe_hw *hw)
 
 	switch (hw->phy.type) {
 	case ixgbe_phy_x550em_kr:
+	case ixgbe_phy_x550em_xfi:
 		physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR |
 				 IXGBE_PHYSICAL_LAYER_1000BASE_KX;
 		break;
-- 
2.7.4