-static int rx_ring_size = 64;
-static int disable_napi = 0;
-module_param(rx_ring_size, int, 64);
-module_param(disable_napi, int, 0);
-MODULE_PARM_DESC(rx_ring_size, "Size of rx ring (in skbs)");
-MODULE_PARM_DESC(disable_napi, "Disable NAPI polling");
-
-/* Register definitions */
-struct cpmac_control_regs {
- volatile u32 revision;
- volatile u32 control;
- volatile u32 teardown;
- volatile u32 unused;
-} __attribute__ ((packed));
-
-struct cpmac_int_regs {
- volatile u32 stat_raw;
- volatile u32 stat_masked;
- volatile u32 enable;
- volatile u32 clear;
-} __attribute__ ((packed));
-
-struct cpmac_stats {
- volatile u32 good;
- volatile u32 bcast;
- volatile u32 mcast;
- volatile u32 pause;
- volatile u32 crc_error;
- volatile u32 align_error;
- volatile u32 oversized;
- volatile u32 jabber;
- volatile u32 undersized;
- volatile u32 fragment;
- volatile u32 filtered;
- volatile u32 qos_filtered;
- volatile u32 octets;
-} __attribute__ ((packed));
-
-struct cpmac_regs {
- struct cpmac_control_regs tx_ctrl;
- struct cpmac_control_regs rx_ctrl;
- volatile u32 unused1[56];
- volatile u32 mbp;
-/* MBP bits */
-#define MBP_RXPASSCRC 0x40000000
-#define MBP_RXQOS 0x20000000
-#define MBP_RXNOCHAIN 0x10000000
-#define MBP_RXCMF 0x01000000
-#define MBP_RXSHORT 0x00800000
-#define MBP_RXCEF 0x00400000
-#define MBP_RXPROMISC 0x00200000
-#define MBP_PROMISCCHAN(chan) (((chan) & 0x7) << 16)
-#define MBP_RXBCAST 0x00002000
-#define MBP_BCASTCHAN(chan) (((chan) & 0x7) << 8)
-#define MBP_RXMCAST 0x00000020
-#define MBP_MCASTCHAN(chan) ((chan) & 0x7)
- volatile u32 unicast_enable;
- volatile u32 unicast_clear;
- volatile u32 max_len;
- volatile u32 buffer_offset;
- volatile u32 filter_flow_threshold;
- volatile u32 unused2[2];
- volatile u32 flow_thre[8];
- volatile u32 free_buffer[8];
- volatile u32 mac_control;
-#define MAC_TXPTYPE 0x00000200
-#define MAC_TXPACE 0x00000040
-#define MAC_MII 0x00000020
-#define MAC_TXFLOW 0x00000010
-#define MAC_RXFLOW 0x00000008
-#define MAC_MTEST 0x00000004
-#define MAC_LOOPBACK 0x00000002
-#define MAC_FDX 0x00000001
- volatile u32 mac_status;
-#define MACST_QOS 0x4
-#define MACST_RXFLOW 0x2
-#define MACST_TXFLOW 0x1
- volatile u32 emc_control;
- volatile u32 unused3;
- struct cpmac_int_regs tx_int;
- volatile u32 mac_int_vector;
-/* Int Status bits */
-#define INTST_STATUS 0x80000
-#define INTST_HOST 0x40000
-#define INTST_RX 0x20000
-#define INTST_TX 0x10000
- volatile u32 mac_eoi_vector;
- volatile u32 unused4[2];
- struct cpmac_int_regs rx_int;
- volatile u32 mac_int_stat_raw;
- volatile u32 mac_int_stat_masked;
- volatile u32 mac_int_enable;
- volatile u32 mac_int_clear;
- volatile u32 mac_addr_low[8];
- volatile u32 mac_addr_mid;
- volatile u32 mac_addr_high;
- volatile u32 mac_hash_low;
- volatile u32 mac_hash_high;
- volatile u32 boff_test;
- volatile u32 pac_test;
- volatile u32 rx_pause;
- volatile u32 tx_pause;
- volatile u32 unused5[2];
- struct cpmac_stats rx_stats;
- struct cpmac_stats tx_stats;
- volatile u32 unused6[232];
- volatile u32 tx_ptr[8];
- volatile u32 rx_ptr[8];
- volatile u32 tx_ack[8];
- volatile u32 rx_ack[8];
-
-} __attribute__ ((packed));
-
-struct cpmac_mdio_regs {
- volatile u32 version;
- volatile u32 control;
-#define MDIOC_IDLE 0x80000000
-#define MDIOC_ENABLE 0x40000000
-#define MDIOC_PREAMBLE 0x00100000
-#define MDIOC_FAULT 0x00080000
-#define MDIOC_FAULTDETECT 0x00040000
-#define MDIOC_INTTEST 0x00020000
-#define MDIOC_CLKDIV(div) ((div) & 0xff)
- volatile u32 alive;
- volatile u32 link;
- struct cpmac_int_regs link_int;
- struct cpmac_int_regs user_int;
- u32 unused[20];
- volatile u32 access;
-#define MDIO_BUSY 0x80000000
-#define MDIO_WRITE 0x40000000
-#define MDIO_REG(reg) (((reg) & 0x1f) << 21)
-#define MDIO_PHY(phy) (((phy) & 0x1f) << 16)
-#define MDIO_DATA(data) ((data) & 0xffff)
- volatile u32 physel;
-} __attribute__ ((packed));
-
-/* Descriptor */
+static int debug_level = 8;
+static int dumb_switch;
+
+/* Next 2 are only used in cpmac_probe, so it's pointless to change them */
+module_param(debug_level, int, 0444);
+module_param(dumb_switch, int, 0444);
+
+MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable");
+MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus");
+
+#define CPMAC_VERSION "0.5.0"
+/* stolen from net/ieee80211.h */
+#ifndef MAC_FMT
+#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
+#define MAC_ARG(x) ((u8*)(x))[0], ((u8*)(x))[1], ((u8*)(x))[2], \
+ ((u8*)(x))[3], ((u8*)(x))[4], ((u8*)(x))[5]
+#endif
+/* frame size + 802.1q tag */
+#define CPMAC_SKB_SIZE (ETH_FRAME_LEN + 4)
+#define CPMAC_QUEUES 8
+
+/* Ethernet registers */
+#define CPMAC_TX_CONTROL 0x0004
+#define CPMAC_TX_TEARDOWN 0x0008
+#define CPMAC_RX_CONTROL 0x0014
+#define CPMAC_RX_TEARDOWN 0x0018
+#define CPMAC_MBP 0x0100
+# define MBP_RXPASSCRC 0x40000000
+# define MBP_RXQOS 0x20000000
+# define MBP_RXNOCHAIN 0x10000000
+# define MBP_RXCMF 0x01000000
+# define MBP_RXSHORT 0x00800000
+# define MBP_RXCEF 0x00400000
+# define MBP_RXPROMISC 0x00200000
+# define MBP_PROMISCCHAN(channel) (((channel) & 0x7) << 16)
+# define MBP_RXBCAST 0x00002000
+# define MBP_BCASTCHAN(channel) (((channel) & 0x7) << 8)
+# define MBP_RXMCAST 0x00000020
+# define MBP_MCASTCHAN(channel) ((channel) & 0x7)
+#define CPMAC_UNICAST_ENABLE 0x0104
+#define CPMAC_UNICAST_CLEAR 0x0108
+#define CPMAC_MAX_LENGTH 0x010c
+#define CPMAC_BUFFER_OFFSET 0x0110
+#define CPMAC_MAC_CONTROL 0x0160
+# define MAC_TXPTYPE 0x00000200
+# define MAC_TXPACE 0x00000040
+# define MAC_MII 0x00000020
+# define MAC_TXFLOW 0x00000010
+# define MAC_RXFLOW 0x00000008
+# define MAC_MTEST 0x00000004
+# define MAC_LOOPBACK 0x00000002
+# define MAC_FDX 0x00000001
+#define CPMAC_MAC_STATUS 0x0164
+# define MAC_STATUS_QOS 0x00000004
+# define MAC_STATUS_RXFLOW 0x00000002
+# define MAC_STATUS_TXFLOW 0x00000001
+#define CPMAC_TX_INT_ENABLE 0x0178
+#define CPMAC_TX_INT_CLEAR 0x017c
+#define CPMAC_MAC_INT_VECTOR 0x0180
+# define MAC_INT_STATUS 0x00080000
+# define MAC_INT_HOST 0x00040000
+# define MAC_INT_RX 0x00020000
+# define MAC_INT_TX 0x00010000
+#define CPMAC_MAC_EOI_VECTOR 0x0184
+#define CPMAC_RX_INT_ENABLE 0x0198
+#define CPMAC_RX_INT_CLEAR 0x019c
+#define CPMAC_MAC_INT_ENABLE 0x01a8
+#define CPMAC_MAC_INT_CLEAR 0x01ac
+#define CPMAC_MAC_ADDR_LO(channel) (0x01b0 + (channel) * 4)
+#define CPMAC_MAC_ADDR_MID 0x01d0
+#define CPMAC_MAC_ADDR_HI 0x01d4
+#define CPMAC_MAC_HASH_LO 0x01d8
+#define CPMAC_MAC_HASH_HI 0x01dc
+#define CPMAC_TX_PTR(channel) (0x0600 + (channel) * 4)
+#define CPMAC_RX_PTR(channel) (0x0620 + (channel) * 4)
+#define CPMAC_TX_ACK(channel) (0x0640 + (channel) * 4)
+#define CPMAC_RX_ACK(channel) (0x0660 + (channel) * 4)
+#define CPMAC_REG_END 0x0680
+/*
+ * Rx/Tx statistics
+ * TODO: use some of them to fill stats in cpmac_stats()
+ */
+#define CPMAC_STATS_RX_GOOD 0x0200
+#define CPMAC_STATS_RX_BCAST 0x0204
+#define CPMAC_STATS_RX_MCAST 0x0208
+#define CPMAC_STATS_RX_PAUSE 0x020c
+#define CPMAC_STATS_RX_CRC 0x0210
+#define CPMAC_STATS_RX_ALIGN 0x0214
+#define CPMAC_STATS_RX_OVER 0x0218
+#define CPMAC_STATS_RX_JABBER 0x021c
+#define CPMAC_STATS_RX_UNDER 0x0220
+#define CPMAC_STATS_RX_FRAG 0x0224
+#define CPMAC_STATS_RX_FILTER 0x0228
+#define CPMAC_STATS_RX_QOSFILTER 0x022c
+#define CPMAC_STATS_RX_OCTETS 0x0230
+
+#define CPMAC_STATS_TX_GOOD 0x0234
+#define CPMAC_STATS_TX_BCAST 0x0238
+#define CPMAC_STATS_TX_MCAST 0x023c
+#define CPMAC_STATS_TX_PAUSE 0x0240
+#define CPMAC_STATS_TX_DEFER 0x0244
+#define CPMAC_STATS_TX_COLLISION 0x0248
+#define CPMAC_STATS_TX_SINGLECOLL 0x024c
+#define CPMAC_STATS_TX_MULTICOLL 0x0250
+#define CPMAC_STATS_TX_EXCESSCOLL 0x0254
+#define CPMAC_STATS_TX_LATECOLL 0x0258
+#define CPMAC_STATS_TX_UNDERRUN 0x025c
+#define CPMAC_STATS_TX_CARRIERSENSE 0x0260
+#define CPMAC_STATS_TX_OCTETS 0x0264
+
+#define cpmac_read(base, reg) (readl((void __iomem *)(base) + (reg)))
+#define cpmac_write(base, reg, val) (writel(val, (void __iomem *)(base) + \
+ (reg)))
+
+/* MDIO bus */
+#define CPMAC_MDIO_VERSION 0x0000
+#define CPMAC_MDIO_CONTROL 0x0004
+# define MDIOC_IDLE 0x80000000
+# define MDIOC_ENABLE 0x40000000
+# define MDIOC_PREAMBLE 0x00100000
+# define MDIOC_FAULT 0x00080000
+# define MDIOC_FAULTDETECT 0x00040000
+# define MDIOC_INTTEST 0x00020000
+# define MDIOC_CLKDIV(div) ((div) & 0xff)
+#define CPMAC_MDIO_ALIVE 0x0008
+#define CPMAC_MDIO_LINK 0x000c
+#define CPMAC_MDIO_ACCESS(channel) (0x0080 + (channel) * 8)
+# define MDIO_BUSY 0x80000000
+# define MDIO_WRITE 0x40000000
+# define MDIO_REG(reg) (((reg) & 0x1f) << 21)
+# define MDIO_PHY(phy) (((phy) & 0x1f) << 16)
+# define MDIO_DATA(data) ((data) & 0xffff)
+#define CPMAC_MDIO_PHYSEL(channel) (0x0084 + (channel) * 8)
+# define PHYSEL_LINKSEL 0x00000040
+# define PHYSEL_LINKINT 0x00000020
+
projects / openwrt.git / blobdiff