net: ethernet: stmmac: Add config option for full driver

Add this config option to reduce memory usage, if it was not necessary.

./ksize.sh drivers/net/ethernet/stmicro/

before size: 109539 Bytes
after  size: 70125 Bytes
save   size: 39414 Bytes

Change-Id: I5f6b4573d7358c3b6f046e960c7ddf7d53541b14
Signed-off-by: David Wu <david.wu@rock-chips.com>

drivers/net/ethernet/stmicro/stmmac/Kconfig

@@ -31,6 +31,13 @@ config STMMAC_ETHTOOL
 	help
 	  This selects the ethtool function, default is Y.
 
+config STMMAC_FULL
+	bool "Support full driver for STMMAC"
+	default STMMAC_ETH
+	help
+	  This selects the full function, default is Y, full-featured version
+	  includes 4.10 and other versions, if it is N, only 4.10 core working.
+
 config STMMAC_PLATFORM
 	tristate "STMMAC Platform bus support"
 	depends on STMMAC_ETH

drivers/net/ethernet/stmicro/stmmac/Makefile

@@ -1,13 +1,17 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_STMMAC_ETH) += stmmac.o
-stmmac-objs:= stmmac_main.o stmmac_mdio.o ring_mode.o	\
+
-	      chain_mode.o dwmac_lib.o dwmac1000_core.o dwmac1000_dma.o	\
+stmmac-objs:= stmmac_main.o stmmac_mdio.o dwmac_lib.o	\
-	      dwmac100_core.o dwmac100_dma.o enh_desc.o norm_desc.o	\
+	      mmc_core.o stmmac_hwtstamp.o stmmac_ptp.o	\
-	      mmc_core.o stmmac_hwtstamp.o stmmac_ptp.o dwmac4_descs.o	\
+	      dwmac4_descs.o dwmac4_dma.o	\
-	      dwmac4_dma.o dwmac4_lib.o dwmac4_core.o dwmac5.o hwif.o \
+	      dwmac4_lib.o dwmac4_core.o hwif.o	\
-	      stmmac_tc.o dwxgmac2_core.o dwxgmac2_dma.o dwxgmac2_descs.o \
 	      $(stmmac-y)
 
+stmmac-$(CONFIG_STMMAC_FULL) += ring_mode.o chain_mode.o dwmac1000_core.o	\
+				dwmac1000_dma.o dwmac100_core.o dwmac100_dma.o	\
+				enh_desc.o norm_desc.o dwmac5.o stmmac_tc.o	\
+				dwxgmac2_core.o dwxgmac2_dma.o dwxgmac2_descs.o
+
 stmmac-$(CONFIG_STMMAC_SELFTESTS) += stmmac_selftests.o
 stmmac-$(CONFIG_STMMAC_ETHTOOL) += stmmac_ethtool.o
 

drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c

@@ -1143,6 +1143,7 @@ static int dwmac4_config_l4_filter(struct mac_device_info *hw, u32 filter_no,
 	return 0;
 }
 
+#ifdef CONFIG_STMMAC_FULL
 const struct stmmac_ops dwmac4_ops = {
 	.core_init = dwmac4_core_init,
 	.set_mac = stmmac_set_mac,
@@ -1183,6 +1184,7 @@ const struct stmmac_ops dwmac4_ops = {
 	.del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
 	.restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
 };
+#endif
 
 const struct stmmac_ops dwmac410_ops = {
 	.core_init = dwmac4_core_init,
@@ -1213,7 +1215,9 @@ const struct stmmac_ops dwmac410_ops = {
 	.pcs_get_adv_lp = dwmac4_get_adv_lp,
 	.debug = dwmac4_debug,
 	.set_filter = dwmac4_set_filter,
+#ifdef CONFIG_STMMAC_FULL
 	.flex_pps_config = dwmac5_flex_pps_config,
+#endif
 	.set_mac_loopback = dwmac4_set_mac_loopback,
 	.update_vlan_hash = dwmac4_update_vlan_hash,
 	.sarc_configure = dwmac4_sarc_configure,
@@ -1221,13 +1225,16 @@ const struct stmmac_ops dwmac410_ops = {
 	.set_arp_offload = dwmac4_set_arp_offload,
 	.config_l3_filter = dwmac4_config_l3_filter,
 	.config_l4_filter = dwmac4_config_l4_filter,
+#ifdef CONFIG_STMMAC_FULL
 	.est_configure = dwmac5_est_configure,
 	.fpe_configure = dwmac5_fpe_configure,
+#endif
 	.add_hw_vlan_rx_fltr = dwmac4_add_hw_vlan_rx_fltr,
 	.del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
 	.restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
 };
 
+#ifdef CONFIG_STMMAC_FULL
 const struct stmmac_ops dwmac510_ops = {
 	.core_init = dwmac4_core_init,
 	.set_mac = stmmac_dwmac4_set_mac,
@@ -1275,6 +1282,7 @@ const struct stmmac_ops dwmac510_ops = {
 	.del_hw_vlan_rx_fltr = dwmac4_del_hw_vlan_rx_fltr,
 	.restore_hw_vlan_rx_fltr = dwmac4_restore_hw_vlan_rx_fltr,
 };
+#endif
 
 static u32 dwmac4_get_num_vlan(void __iomem *ioaddr)
 {

drivers/net/ethernet/stmicro/stmmac/hwif.c

@@ -35,6 +35,7 @@ static u32 stmmac_get_dev_id(struct stmmac_priv *priv, u32 id_reg)
 	return (reg & GENMASK(15, 8)) >> 8;
 }
 
+#ifdef CONFIG_STMMAC_FULL
 static void stmmac_dwmac_mode_quirk(struct stmmac_priv *priv)
 {
 	struct mac_device_info *mac = priv->hw;
@@ -86,6 +87,7 @@ static int stmmac_dwxlgmac_quirks(struct stmmac_priv *priv)
 	priv->hw->xlgmac = true;
 	return 0;
 }
+#endif
 
 static const struct stmmac_hwif_entry {
 	bool gmac;
@@ -105,6 +107,7 @@ static const struct stmmac_hwif_entry {
 	int (*quirks)(struct stmmac_priv *priv);
 } stmmac_hw[] = {
 	/* NOTE: New HW versions shall go to the end of this table */
+#ifdef CONFIG_STMMAC_FULL
 	{
 		.gmac = false,
 		.gmac4 = false,
@@ -177,7 +180,9 @@ static const struct stmmac_hwif_entry {
 		.mmc = &dwmac_mmc_ops,
 		.setup = dwmac4_setup,
 		.quirks = NULL,
-	}, {
+	},
+#endif /* CONFIG_STMMAC_FULL */
+	{
 		.gmac = false,
 		.gmac4 = true,
 		.xgmac = false,
@@ -191,11 +196,15 @@ static const struct stmmac_hwif_entry {
 		.mac = &dwmac410_ops,
 		.hwtimestamp = &stmmac_ptp,
 		.mode = &dwmac4_ring_mode_ops,
+#ifdef CONFIG_STMMAC_FULL
 		.tc = &dwmac510_tc_ops,
+#endif
 		.mmc = &dwmac_mmc_ops,
 		.setup = dwmac4_setup,
 		.quirks = NULL,
-	}, {
+	},
+#ifdef CONFIG_STMMAC_FULL
+	{
 		.gmac = false,
 		.gmac4 = true,
 		.xgmac = false,
@@ -252,6 +261,7 @@ static const struct stmmac_hwif_entry {
 		.setup = dwxlgmac2_setup,
 		.quirks = stmmac_dwxlgmac_quirks,
 	},
+#endif
 };
 
 int stmmac_hwif_init(struct stmmac_priv *priv)