ixgbe: make silicon specific functions generic

The new MAC type X540 shares much of the same functionality of
some silicon specific functions.  To reduce duplicate code,
made these functions generic.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

9 files changed, 98 insertions, 126 deletions

diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index 25b20f93190a..d0f1d9d2c416 100644
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -38,9 +38,6 @@
 #define IXGBE_82598_MC_TBL_SIZE  128
 #define IXGBE_82598_VFT_TBL_SIZE 128
 
-static s32 ixgbe_get_copper_link_capabilities_82598(struct ixgbe_hw *hw,
-                                             ixgbe_link_speed *speed,
-                                             bool *autoneg);
 static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw,
                                          ixgbe_link_speed speed,
                                          bool autoneg,
@@ -156,7 +153,7 @@ static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
         if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
                 mac->ops.setup_link = &ixgbe_setup_copper_link_82598;
                 mac->ops.get_link_capabilities =
-                                  &ixgbe_get_copper_link_capabilities_82598;
+                        &ixgbe_get_copper_link_capabilities_generic;
         }
 
         switch (hw->phy.type) {
@@ -274,37 +271,6 @@ static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
 }
 
 /**
- *  ixgbe_get_copper_link_capabilities_82598 - Determines link capabilities
- *  @hw: pointer to hardware structure
- *  @speed: pointer to link speed
- *  @autoneg: boolean auto-negotiation value
- *
- *  Determines the link capabilities by reading the AUTOC register.
- **/
-static s32 ixgbe_get_copper_link_capabilities_82598(struct ixgbe_hw *hw,
-                                                    ixgbe_link_speed *speed,
-                                                    bool *autoneg)
-{
-        s32 status = IXGBE_ERR_LINK_SETUP;
-        u16 speed_ability;
-
-        *speed = 0;
-        *autoneg = true;
-
-        status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
-                                      &speed_ability);
-
-        if (status == 0) {
-                if (speed_ability & MDIO_SPEED_10G)
-                    *speed |= IXGBE_LINK_SPEED_10GB_FULL;
-                if (speed_ability & MDIO_PMA_SPEED_1000)
-                    *speed |= IXGBE_LINK_SPEED_1GB_FULL;
-        }
-
-        return status;
-}
-
-/**
  *  ixgbe_get_media_type_82598 - Determines media type
  *  @hw: pointer to hardware structure
  *
@@ -1225,6 +1191,7 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
 static struct ixgbe_eeprom_operations eeprom_ops_82598 = {
         .init_params            = &ixgbe_init_eeprom_params_generic,
         .read                   = &ixgbe_read_eerd_generic,
+        .calc_checksum          = &ixgbe_calc_eeprom_checksum_generic,
         .validate_checksum      = &ixgbe_validate_eeprom_checksum_generic,
         .update_checksum        = &ixgbe_update_eeprom_checksum_generic,
 };
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 0bd8fbb5bfd0..144c44a6b216 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -56,9 +56,6 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
                                ixgbe_link_speed speed,
                                bool autoneg,
                                bool autoneg_wait_to_complete);
-static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
-                                             ixgbe_link_speed *speed,
-                                             bool *autoneg);
 static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw,
                                          ixgbe_link_speed speed,
                                          bool autoneg,
@@ -174,7 +171,7 @@ static s32 ixgbe_init_phy_ops_82599(struct ixgbe_hw *hw)
         if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
                 mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
                 mac->ops.get_link_capabilities =
-                                  &ixgbe_get_copper_link_capabilities_82599;
+                        &ixgbe_get_copper_link_capabilities_generic;
         }
 
         /* Set necessary function pointers based on phy type */
@@ -290,37 +287,6 @@ out:
 }
 
 /**
- *  ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities
- *  @hw: pointer to hardware structure
- *  @speed: pointer to link speed
- *  @autoneg: boolean auto-negotiation value
- *
- *  Determines the link capabilities by reading the AUTOC register.
- **/
-static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
-                                                    ixgbe_link_speed *speed,
-                                                    bool *autoneg)
-{
-        s32 status = IXGBE_ERR_LINK_SETUP;
-        u16 speed_ability;
-
-        *speed = 0;
-        *autoneg = true;
-
-        status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
-                                      &speed_ability);
-
-        if (status == 0) {
-                if (speed_ability & MDIO_SPEED_10G)
-                    *speed |= IXGBE_LINK_SPEED_10GB_FULL;
-                if (speed_ability & MDIO_PMA_SPEED_1000)
-                    *speed |= IXGBE_LINK_SPEED_1GB_FULL;
-        }
-
-        return status;
-}
-
-/**
  *  ixgbe_get_media_type_82599 - Get media type
  *  @hw: pointer to hardware structure
  *
@@ -2125,51 +2091,6 @@ fw_version_out:
         return status;
 }
 
-/**
- *  ixgbe_get_wwn_prefix_82599 - Get alternative WWNN/WWPN prefix from
- *  the EEPROM
- *  @hw: pointer to hardware structure
- *  @wwnn_prefix: the alternative WWNN prefix
- *  @wwpn_prefix: the alternative WWPN prefix
- *
- *  This function will read the EEPROM from the alternative SAN MAC address
- *  block to check the support for the alternative WWNN/WWPN prefix support.
- **/
-static s32 ixgbe_get_wwn_prefix_82599(struct ixgbe_hw *hw, u16 *wwnn_prefix,
-                                      u16 *wwpn_prefix)
-{
-        u16 offset, caps;
-        u16 alt_san_mac_blk_offset;
-
-        /* clear output first */
-        *wwnn_prefix = 0xFFFF;
-        *wwpn_prefix = 0xFFFF;
-
-        /* check if alternative SAN MAC is supported */
-        hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR,
-                            &alt_san_mac_blk_offset);
-
-        if ((alt_san_mac_blk_offset == 0) ||
-            (alt_san_mac_blk_offset == 0xFFFF))
-                goto wwn_prefix_out;
-
-        /* check capability in alternative san mac address block */
-        offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET;
-        hw->eeprom.ops.read(hw, offset, &caps);
-        if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN))
-                goto wwn_prefix_out;
-
-        /* get the corresponding prefix for WWNN/WWPN */
-        offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET;
-        hw->eeprom.ops.read(hw, offset, wwnn_prefix);
-
-        offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET;
-        hw->eeprom.ops.read(hw, offset, wwpn_prefix);
-
-wwn_prefix_out:
-        return 0;
-}
-
 static struct ixgbe_mac_operations mac_ops_82599 = {
         .init_hw                = &ixgbe_init_hw_generic,
         .reset_hw               = &ixgbe_reset_hw_82599,
@@ -2181,7 +2102,7 @@ static struct ixgbe_mac_operations mac_ops_82599 = {
         .get_mac_addr           = &ixgbe_get_mac_addr_generic,
         .get_san_mac_addr       = &ixgbe_get_san_mac_addr_generic,
         .get_device_caps        = &ixgbe_get_device_caps_82599,
-        .get_wwn_prefix         = &ixgbe_get_wwn_prefix_82599,
+        .get_wwn_prefix         = &ixgbe_get_wwn_prefix_generic,
         .stop_adapter           = &ixgbe_stop_adapter_generic,
         .get_bus_info           = &ixgbe_get_bus_info_generic,
         .set_lan_id             = &ixgbe_set_lan_id_multi_port_pcie,
@@ -2214,6 +2135,7 @@ static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
         .init_params            = &ixgbe_init_eeprom_params_generic,
         .read                   = &ixgbe_read_eerd_generic,
         .write                  = &ixgbe_write_eeprom_generic,
+        .calc_checksum          = &ixgbe_calc_eeprom_checksum_generic,
         .validate_checksum      = &ixgbe_validate_eeprom_checksum_generic,
         .update_checksum        = &ixgbe_update_eeprom_checksum_generic,
 };
@@ -2240,5 +2162,5 @@ struct ixgbe_info ixgbe_82599_info = {
         .mac_ops                = &mac_ops_82599,
         .eeprom_ops             = &eeprom_ops_82599,
         .phy_ops                = &phy_ops_82599,
-        .mbx_ops                = &mbx_ops_82599,
+        .mbx_ops                = &mbx_ops_generic,
 };
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 62aa2be199f1..56052570cac5 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -45,14 +45,12 @@ static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count);
 static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
 static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
 static void ixgbe_release_eeprom(struct ixgbe_hw *hw);
-static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw);
 
 static void ixgbe_enable_rar(struct ixgbe_hw *hw, u32 index);
 static void ixgbe_disable_rar(struct ixgbe_hw *hw, u32 index);
 static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
 static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq);
 static s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num);
-static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg);
 
 /**
  *  ixgbe_start_hw_generic - Prepare hardware for Tx/Rx
@@ -638,7 +636,7 @@ out:
  *  Polls the status bit (bit 1) of the EERD or EEWR to determine when the
  *  read or write is done respectively.
  **/
-static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
+s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
 {
         u32 i;
         u32 reg;
@@ -1009,7 +1007,7 @@ static void ixgbe_release_eeprom(struct ixgbe_hw *hw)
  *  ixgbe_calc_eeprom_checksum - Calculates and returns the checksum
  *  @hw: pointer to hardware structure
  **/
-static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw)
+u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
 {
         u16 i;
         u16 j;
@@ -1072,7 +1070,7 @@ s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
         status = hw->eeprom.ops.read(hw, 0, &checksum);
 
         if (status == 0) {
-                checksum = ixgbe_calc_eeprom_checksum(hw);
+                checksum = hw->eeprom.ops.calc_checksum(hw);
 
                 hw->eeprom.ops.read(hw, IXGBE_EEPROM_CHECKSUM, &read_checksum);
 
@@ -1110,7 +1108,7 @@ s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw)
         status = hw->eeprom.ops.read(hw, 0, &checksum);
 
         if (status == 0) {
-                checksum = ixgbe_calc_eeprom_checksum(hw);
+                checksum = hw->eeprom.ops.calc_checksum(hw);
                 status = hw->eeprom.ops.write(hw, IXGBE_EEPROM_CHECKSUM,
                                             checksum);
         } else {
@@ -2686,3 +2684,48 @@ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
 
         return 0;
 }
+
+/**
+ *  ixgbe_get_wwn_prefix_generic Get alternative WWNN/WWPN prefix from
+ *  the EEPROM
+ *  @hw: pointer to hardware structure
+ *  @wwnn_prefix: the alternative WWNN prefix
+ *  @wwpn_prefix: the alternative WWPN prefix
+ *
+ *  This function will read the EEPROM from the alternative SAN MAC address
+ *  block to check the support for the alternative WWNN/WWPN prefix support.
+ **/
+s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
+                                        u16 *wwpn_prefix)
+{
+        u16 offset, caps;
+        u16 alt_san_mac_blk_offset;
+
+        /* clear output first */
+        *wwnn_prefix = 0xFFFF;
+        *wwpn_prefix = 0xFFFF;
+
+        /* check if alternative SAN MAC is supported */
+        hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR,
+                            &alt_san_mac_blk_offset);
+
+        if ((alt_san_mac_blk_offset == 0) ||
+            (alt_san_mac_blk_offset == 0xFFFF))
+                goto wwn_prefix_out;
+
+        /* check capability in alternative san mac address block */
+        offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET;
+        hw->eeprom.ops.read(hw, offset, &caps);
+        if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN))
+                goto wwn_prefix_out;
+
+        /* get the corresponding prefix for WWNN/WWPN */
+        offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET;
+        hw->eeprom.ops.read(hw, offset, wwnn_prefix);
+
+        offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET;
+        hw->eeprom.ops.read(hw, offset, wwpn_prefix);
+
+wwn_prefix_out:
+        return 0;
+}
diff --git a/drivers/net/ixgbe/ixgbe_common.h b/drivers/net/ixgbe/ixgbe_common.h
index 424c223437dc..341ca514a281 100644
--- a/drivers/net/ixgbe/ixgbe_common.h
+++ b/drivers/net/ixgbe/ixgbe_common.h
@@ -49,9 +49,11 @@ s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
 s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data);
 s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
                                        u16 *data);
+u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw);
 s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
                                            u16 *checksum_val);
 s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw);
+s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg);
 
 s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
                           u32 enable_addr);
@@ -81,7 +83,8 @@ s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw);
 s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw,
                                  ixgbe_link_speed *speed,
                                  bool *link_up, bool link_up_wait_to_complete);
-
+s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
+                                 u16 *wwpn_prefix);
 s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index);
 s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index);
 
diff --git a/drivers/net/ixgbe/ixgbe_mbx.c b/drivers/net/ixgbe/ixgbe_mbx.c
index 471f0f2cdb98..aede6eb0e67d 100644
--- a/drivers/net/ixgbe/ixgbe_mbx.c
+++ b/drivers/net/ixgbe/ixgbe_mbx.c
@@ -454,7 +454,7 @@ void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw)
         mbx->stats.rsts = 0;
 }
 
-struct ixgbe_mbx_operations mbx_ops_82599 = {
+struct ixgbe_mbx_operations mbx_ops_generic = {
         .read                   = ixgbe_read_mbx_pf,
         .write                  = ixgbe_write_mbx_pf,
         .read_posted            = ixgbe_read_posted_mbx,
diff --git a/drivers/net/ixgbe/ixgbe_mbx.h b/drivers/net/ixgbe/ixgbe_mbx.h
index 7e0d08ff5b53..3df9b1590218 100644
--- a/drivers/net/ixgbe/ixgbe_mbx.h
+++ b/drivers/net/ixgbe/ixgbe_mbx.h
@@ -88,6 +88,6 @@ s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
 
-extern struct ixgbe_mbx_operations mbx_ops_82599;
+extern struct ixgbe_mbx_operations mbx_ops_generic;
 
 #endif /* _IXGBE_MBX_H_ */
diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c
index 6c0d42e33f21..bc255ec48428 100644
--- a/drivers/net/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ixgbe/ixgbe_phy.c
@@ -425,6 +425,39 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
 }
 
 /**
+ * ixgbe_get_copper_link_capabilities_generic - Determines link capabilities
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @autoneg: boolean auto-negotiation value
+ *
+ * Determines the link capabilities by reading the AUTOC register.
+ */
+s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
+                                                      ixgbe_link_speed *speed,
+                                                      bool *autoneg)
+{
+        s32 status = IXGBE_ERR_LINK_SETUP;
+        u16 speed_ability;
+
+        *speed = 0;
+        *autoneg = true;
+
+        status = hw->phy.ops.read_reg(hw, MDIO_SPEED, MDIO_MMD_PMAPMD,
+                                      &speed_ability);
+
+        if (status == 0) {
+                if (speed_ability & MDIO_SPEED_10G)
+                        *speed |= IXGBE_LINK_SPEED_10GB_FULL;
+                if (speed_ability & MDIO_PMA_SPEED_1000)
+                        *speed |= IXGBE_LINK_SPEED_1GB_FULL;
+                if (speed_ability & MDIO_PMA_SPEED_100)
+                        *speed |= IXGBE_LINK_SPEED_100_FULL;
+        }
+
+        return status;
+}
+
+/**
  *  ixgbe_reset_phy_nl - Performs a PHY reset
  *  @hw: pointer to hardware structure
  **/
diff --git a/drivers/net/ixgbe/ixgbe_phy.h b/drivers/net/ixgbe/ixgbe_phy.h
index fb3898f12fc5..86f83bd130cb 100644
--- a/drivers/net/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ixgbe/ixgbe_phy.h
@@ -96,6 +96,9 @@ s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
                                        ixgbe_link_speed speed,
                                        bool autoneg,
                                        bool autoneg_wait_to_complete);
+s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
+                                               ixgbe_link_speed *speed,
+                                               bool *autoneg);
 
 /* PHY specific */
 s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw,
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 9e6908dff9bc..86c0049ba199 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -2414,6 +2414,7 @@ struct ixgbe_eeprom_operations {
         s32 (*write)(struct ixgbe_hw *, u16, u16);
         s32 (*validate_checksum)(struct ixgbe_hw *, u16 *);
         s32 (*update_checksum)(struct ixgbe_hw *);
+        u16 (*calc_checksum)(struct ixgbe_hw *);
 };
 
 struct ixgbe_mac_operations {