i40e: Add FEC for 25g

This patch adds adminq support for Forward Error
Correction ("FEC")for 25g products.

Change-ID: Iaff4910737c239d2c730e5c22a313ce9c37d3964
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jacek Naczyk <jacek.naczyk@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
index c9d1f91..b2101a5 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
@@ -1686,6 +1686,8 @@ struct i40e_aq_get_phy_abilities_resp {
 #define I40E_AQ_PHY_LINK_ENABLED       0x08
 #define I40E_AQ_PHY_AN_ENABLED         0x10
 #define I40E_AQ_PHY_FLAG_MODULE_QUAL   0x20
+#define I40E_AQ_PHY_FEC_ABILITY_KR     0x40
+#define I40E_AQ_PHY_FEC_ABILITY_RS     0x80
        __le16  eee_capability;
 #define I40E_AQ_EEE_100BASE_TX         0x0002
 #define I40E_AQ_EEE_1000BASE_T         0x0004
@@ -1701,7 +1703,16 @@ struct i40e_aq_get_phy_abilities_resp {
 #define I40E_AQ_PHY_TYPE_EXT_25G_CR    0X02
 #define I40E_AQ_PHY_TYPE_EXT_25G_SR    0x04
 #define I40E_AQ_PHY_TYPE_EXT_25G_LR    0x08
-       u8      mod_type_ext;
+       u8      fec_cfg_curr_mod_ext_info;
+#define I40E_AQ_ENABLE_FEC_KR          0x01
+#define I40E_AQ_ENABLE_FEC_RS          0x02
+#define I40E_AQ_REQUEST_FEC_KR         0x04
+#define I40E_AQ_REQUEST_FEC_RS         0x08
+#define I40E_AQ_ENABLE_FEC_AUTO                0x10
+#define I40E_AQ_FEC
+#define I40E_AQ_MODULE_TYPE_EXT_MASK   0xE0
+#define I40E_AQ_MODULE_TYPE_EXT_SHIFT  5
+
        u8      ext_comp_code;
        u8      phy_id[4];
        u8      module_type[3];
@@ -1729,7 +1740,15 @@ struct i40e_aq_set_phy_config { /* same bits as above in all */
 #define I40E_AQ_PHY_TYPE_EXT_25G_CR    0X02
 #define I40E_AQ_PHY_TYPE_EXT_25G_SR    0x04
 #define I40E_AQ_PHY_TYPE_EXT_25G_LR    0x08
-       u8      reserved[2];
+       u8      fec_config;
+#define I40E_AQ_SET_FEC_ABILITY_KR     BIT(0)
+#define I40E_AQ_SET_FEC_ABILITY_RS     BIT(1)
+#define I40E_AQ_SET_FEC_REQUEST_KR     BIT(2)
+#define I40E_AQ_SET_FEC_REQUEST_RS     BIT(3)
+#define I40E_AQ_SET_FEC_AUTO           BIT(4)
+#define I40E_AQ_PHY_FEC_CONFIG_SHIFT   0x0
+#define I40E_AQ_PHY_FEC_CONFIG_MASK    (0x1F << I40E_AQ_PHY_FEC_CONFIG_SHIFT)
+       u8      reserved;
 };
 
 I40E_CHECK_CMD_LENGTH(i40e_aq_set_phy_config);
@@ -1819,6 +1838,8 @@ struct i40e_aqc_get_link_status {
        u8      loopback; /* use defines from i40e_aqc_set_lb_mode */
        __le16  max_frame_size;
        u8      config;
+#define I40E_AQ_CONFIG_FEC_KR_ENA      0x01
+#define I40E_AQ_CONFIG_FEC_RS_ENA      0x02
 #define I40E_AQ_CONFIG_CRC_ENA         0x04
 #define I40E_AQ_CONFIG_PACING_MASK     0x78
        u8      external_power_ability;

diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 1318c7d..f8c4c14 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1714,6 +1714,8 @@ enum i40e_status_code i40e_set_fc(struct i40e_hw *hw, u8 *aq_failures,
                config.eee_capability = abilities.eee_capability;
                config.eeer = abilities.eeer_val;
                config.low_power_ctrl = abilities.d3_lpan;
+               config.fec_config = abilities.fec_cfg_curr_mod_ext_info &
+                                   I40E_AQ_PHY_FEC_CONFIG_MASK;
                status = i40e_aq_set_phy_config(hw, &config, NULL);
 
                if (status)

diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h
index f8d7d95..eeb9864 100644 (file)
--- a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h
@@ -1683,6 +1683,8 @@ struct i40e_aq_get_phy_abilities_resp {
 #define I40E_AQ_PHY_LINK_ENABLED       0x08
 #define I40E_AQ_PHY_AN_ENABLED         0x10
 #define I40E_AQ_PHY_FLAG_MODULE_QUAL   0x20
+#define I40E_AQ_PHY_FEC_ABILITY_KR     0x40
+#define I40E_AQ_PHY_FEC_ABILITY_RS     0x80
        __le16  eee_capability;
 #define I40E_AQ_EEE_100BASE_TX         0x0002
 #define I40E_AQ_EEE_1000BASE_T         0x0004
@@ -1698,7 +1700,16 @@ struct i40e_aq_get_phy_abilities_resp {
 #define I40E_AQ_PHY_TYPE_EXT_25G_CR    0X02
 #define I40E_AQ_PHY_TYPE_EXT_25G_SR    0x04
 #define I40E_AQ_PHY_TYPE_EXT_25G_LR    0x08
-       u8      mod_type_ext;
+       u8      fec_cfg_curr_mod_ext_info;
+#define I40E_AQ_ENABLE_FEC_KR          0x01
+#define I40E_AQ_ENABLE_FEC_RS          0x02
+#define I40E_AQ_REQUEST_FEC_KR         0x04
+#define I40E_AQ_REQUEST_FEC_RS         0x08
+#define I40E_AQ_ENABLE_FEC_AUTO                0x10
+#define I40E_AQ_FEC
+#define I40E_AQ_MODULE_TYPE_EXT_MASK   0xE0
+#define I40E_AQ_MODULE_TYPE_EXT_SHIFT  5
+
        u8      ext_comp_code;
        u8      phy_id[4];
        u8      module_type[3];
@@ -1726,7 +1737,15 @@ struct i40e_aq_set_phy_config { /* same bits as above in all */
 #define I40E_AQ_PHY_TYPE_EXT_25G_CR    0X02
 #define I40E_AQ_PHY_TYPE_EXT_25G_SR    0x04
 #define I40E_AQ_PHY_TYPE_EXT_25G_LR    0x08
-       u8      reserved[2];
+       u8      fec_config;
+#define I40E_AQ_SET_FEC_ABILITY_KR     BIT(0)
+#define I40E_AQ_SET_FEC_ABILITY_RS     BIT(1)
+#define I40E_AQ_SET_FEC_REQUEST_KR     BIT(2)
+#define I40E_AQ_SET_FEC_REQUEST_RS     BIT(3)
+#define I40E_AQ_SET_FEC_AUTO           BIT(4)
+#define I40E_AQ_PHY_FEC_CONFIG_SHIFT   0x0
+#define I40E_AQ_PHY_FEC_CONFIG_MASK    (0x1F << I40E_AQ_PHY_FEC_CONFIG_SHIFT)
+       u8      reserved;
 };
 
 I40E_CHECK_CMD_LENGTH(i40e_aq_set_phy_config);
@@ -1816,6 +1835,8 @@ struct i40e_aqc_get_link_status {
        u8      loopback; /* use defines from i40e_aqc_set_lb_mode */
        __le16  max_frame_size;
        u8      config;
+#define I40E_AQ_CONFIG_FEC_KR_ENA      0x01
+#define I40E_AQ_CONFIG_FEC_RS_ENA      0x02
 #define I40E_AQ_CONFIG_CRC_ENA         0x04
 #define I40E_AQ_CONFIG_PACING_MASK     0x78
        u8      external_power_ability;