qed: Add supported link and advertise link to display in ethtool.

	Added transceiver type, speed capability and board types
	in HSI, are utilizing to display the accurate link
	information in ethtool.

Signed-off-by: Rahul Verma <Rahul.Verma@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 182 insertions, 0 deletions

diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 92c5950ad156..554d57ac1629 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -1870,6 +1870,8 @@ int qed_mcp_get_mbi_ver(struct qed_hwfn *p_hwfn,
 int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
 			   struct qed_ptt *p_ptt, u32 *p_media_type)
 {
+	*p_media_type = MEDIA_UNSPECIFIED;
+
 	if (IS_VF(p_hwfn->cdev))
 		return -EINVAL;
 
@@ -1891,6 +1893,186 @@ int qed_mcp_get_media_type(struct qed_hwfn *p_hwfn,
 	return 0;
 }
 
+int qed_mcp_get_transceiver_data(struct qed_hwfn *p_hwfn,
+				 struct qed_ptt *p_ptt,
+				 u32 *p_transceiver_state,
+				 u32 *p_transceiver_type)
+{
+	u32 transceiver_info;
+
+	if (IS_VF(p_hwfn->cdev))
+		return -EINVAL;
+
+	if (!qed_mcp_is_init(p_hwfn)) {
+		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
+		return -EBUSY;
+	}
+
+	*p_transceiver_type = ETH_TRANSCEIVER_TYPE_NONE;
+	*p_transceiver_state = ETH_TRANSCEIVER_STATE_UPDATING;
+
+	transceiver_info = qed_rd(p_hwfn, p_ptt,
+				  p_hwfn->mcp_info->port_addr +
+				  offsetof(struct public_port,
+					   transceiver_data));
+
+	*p_transceiver_state = (transceiver_info &
+				ETH_TRANSCEIVER_STATE_MASK) >>
+				ETH_TRANSCEIVER_STATE_OFFSET;
+
+	if (*p_transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
+		*p_transceiver_type = (transceiver_info &
+				       ETH_TRANSCEIVER_TYPE_MASK) >>
+				       ETH_TRANSCEIVER_TYPE_OFFSET;
+	else
+		*p_transceiver_type = ETH_TRANSCEIVER_TYPE_UNKNOWN;
+
+	return 0;
+}
+static bool qed_is_transceiver_ready(u32 transceiver_state,
+				     u32 transceiver_type)
+{
+	if ((transceiver_state & ETH_TRANSCEIVER_STATE_PRESENT) &&
+	    ((transceiver_state & ETH_TRANSCEIVER_STATE_UPDATING) == 0x0) &&
+	    (transceiver_type != ETH_TRANSCEIVER_TYPE_NONE))
+		return true;
+
+	return false;
+}
+
+int qed_mcp_trans_speed_mask(struct qed_hwfn *p_hwfn,
+			     struct qed_ptt *p_ptt, u32 *p_speed_mask)
+{
+	u32 transceiver_type, transceiver_state;
+
+	qed_mcp_get_transceiver_data(p_hwfn, p_ptt, &transceiver_state,
+				     &transceiver_type);
+
+	if (qed_is_transceiver_ready(transceiver_state, transceiver_type) ==
+				     false)
+		return -EINVAL;
+
+	switch (transceiver_type) {
+	case ETH_TRANSCEIVER_TYPE_1G_LX:
+	case ETH_TRANSCEIVER_TYPE_1G_SX:
+	case ETH_TRANSCEIVER_TYPE_1G_PCC:
+	case ETH_TRANSCEIVER_TYPE_1G_ACC:
+	case ETH_TRANSCEIVER_TYPE_1000BASET:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_10G_SR:
+	case ETH_TRANSCEIVER_TYPE_10G_LR:
+	case ETH_TRANSCEIVER_TYPE_10G_LRM:
+	case ETH_TRANSCEIVER_TYPE_10G_ER:
+	case ETH_TRANSCEIVER_TYPE_10G_PCC:
+	case ETH_TRANSCEIVER_TYPE_10G_ACC:
+	case ETH_TRANSCEIVER_TYPE_4x10G:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_40G_LR4:
+	case ETH_TRANSCEIVER_TYPE_40G_SR4:
+	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_SR:
+	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_LR:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_100G_AOC:
+	case ETH_TRANSCEIVER_TYPE_100G_SR4:
+	case ETH_TRANSCEIVER_TYPE_100G_LR4:
+	case ETH_TRANSCEIVER_TYPE_100G_ER4:
+	case ETH_TRANSCEIVER_TYPE_100G_ACC:
+		*p_speed_mask =
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_25G_SR:
+	case ETH_TRANSCEIVER_TYPE_25G_LR:
+	case ETH_TRANSCEIVER_TYPE_25G_AOC:
+	case ETH_TRANSCEIVER_TYPE_25G_ACC_S:
+	case ETH_TRANSCEIVER_TYPE_25G_ACC_M:
+	case ETH_TRANSCEIVER_TYPE_25G_ACC_L:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_25G_CA_N:
+	case ETH_TRANSCEIVER_TYPE_25G_CA_S:
+	case ETH_TRANSCEIVER_TYPE_25G_CA_L:
+	case ETH_TRANSCEIVER_TYPE_4x25G_CR:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_40G_CR4:
+	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_10G_40G_CR:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_100G_CR4:
+	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_CR:
+		*p_speed_mask =
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_SR:
+	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_LR:
+	case ETH_TRANSCEIVER_TYPE_MULTI_RATE_40G_100G_AOC:
+		*p_speed_mask =
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_XLPPI:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
+		break;
+	case ETH_TRANSCEIVER_TYPE_10G_BASET:
+		*p_speed_mask = NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G |
+		    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
+		break;
+	default:
+		DP_INFO(p_hwfn, "Unknown transcevier type 0x%x\n",
+			transceiver_type);
+		*p_speed_mask = 0xff;
+		break;
+	}
+
+	return 0;
+}
+
+int qed_mcp_get_board_config(struct qed_hwfn *p_hwfn,
+			     struct qed_ptt *p_ptt, u32 *p_board_config)
+{
+	u32 nvm_cfg_addr, nvm_cfg1_offset, port_cfg_addr;
+
+	if (IS_VF(p_hwfn->cdev))
+		return -EINVAL;
+
+	if (!qed_mcp_is_init(p_hwfn)) {
+		DP_NOTICE(p_hwfn, "MFW is not initialized!\n");
+		return -EBUSY;
+	}
+	if (!p_ptt) {
+		*p_board_config = NVM_CFG1_PORT_PORT_TYPE_UNDEFINED;
+		return -EINVAL;
+	}
+
+	nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0);
+	nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4);
+	port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset +
+			offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]);
+	*p_board_config = qed_rd(p_hwfn, p_ptt,
+				 port_cfg_addr +
+				 offsetof(struct nvm_cfg1_port,
+					  board_cfg));
+
+	return 0;
+}
+
 /* Old MFW has a global configuration for all PFs regarding RDMA support */
 static void
 qed_mcp_get_shmem_proto_legacy(struct qed_hwfn *p_hwfn,