pasemi_mac: basic ethtool support

First cut at ethtool support, to be completed over time. Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Jeff Garzik <jgarzik@pobox.com>

pasemi_mac: basic ethtool support
First cut at ethtool support, to be completed over time. Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Jeff Garzik <jgarzik@pobox.com>
Olof Johansson
1 parent 251567848f
Showing 4 changed files with 189 additions and 19 deletions Side-by-side Diff
drivers/net/Makefile
drivers/net/pasemi_mac.c
drivers/net/pasemi_mac.h
drivers/net/pasemi_mac_ethtool.c
@@ -218,7 +218,8 @@
 obj-$(CONFIG_BFIN_MAC) += bfin_mac.o
 obj-$(CONFIG_DM9000) += dm9000.o
 obj-$(CONFIG_FEC_8XX) += fec_8xx/
-obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o
+obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
+pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
 obj-$(CONFIG_MLX4_CORE) += mlx4/
 obj-$(CONFIG_ENC28J60) += enc28j60.o
  
@@ -55,12 +55,6 @@
  * - Multiqueue RX/TX
  */
  
-
-/* Must be a power of two */
-#define RX_RING_SIZE 2048
-#define TX_RING_SIZE 4096
-#define CS_RING_SIZE (TX_RING_SIZE*2)
-
 #define LRO_MAX_AGGR 64
  
 #define PE_MIN_MTU	64
@@ -77,17 +71,6 @@
 	 NETIF_MSG_RX_ERR	| \
 	 NETIF_MSG_TX_ERR)
  
-#define TX_DESC(tx, num)	((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
-#define TX_DESC_INFO(tx, num)	((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
-#define RX_DESC(rx, num)	((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
-#define RX_DESC_INFO(rx, num)	((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
-#define RX_BUFF(rx, num)	((rx)->buffers[(num) & (RX_RING_SIZE-1)])
-#define CS_DESC(cs, num)	((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])
-
-#define RING_USED(ring)		(((ring)->next_to_fill - (ring)->next_to_clean) \
-				 & ((ring)->size - 1))
-#define RING_AVAIL(ring)	((ring->size) - RING_USED(ring))
-
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>");
 MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver");
@@ -96,6 +79,8 @@
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "PA Semi MAC bitmapped debugging message enable value");
  
+extern const struct ethtool_ops pasemi_mac_ethtool_ops;
+
 static int translation_enabled(void)
 {
 #if defined(CONFIG_PPC_PASEMI_IOMMU_DMA_FORCE)
@@ -1148,7 +1133,7 @@
 {
 	struct pasemi_mac *mac = netdev_priv(dev);
 	unsigned int flags;
-	int ret;
+	int i, ret;
  
 	flags = PAS_MAC_CFG_TXP_FCE | PAS_MAC_CFG_TXP_FPC(3) |
 		PAS_MAC_CFG_TXP_SL(3) | PAS_MAC_CFG_TXP_COB(0xf) |
@@ -1171,6 +1156,10 @@
 			goto out_tx_ring;
 	}
  
+	/* Zero out rmon counters */
+	for (i = 0; i < 32; i++)
+		write_mac_reg(mac, PAS_MAC_RMON(i), 0);
+
 	/* 0x3ff with 33MHz clock is about 31us */
 	write_iob_reg(PAS_IOB_DMA_COM_TIMEOUTCFG,
 		      PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(0x3ff));
@@ -1812,6 +1801,7 @@
 	mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128;
  
 	dev->change_mtu = pasemi_mac_change_mtu;
+	dev->ethtool_ops = &pasemi_mac_ethtool_ops;
  
 	if (err)
 		goto out;
@@ -26,6 +26,12 @@
 #include <linux/spinlock.h>
 #include <linux/phy.h>
  
+/* Must be a power of two */
+#define RX_RING_SIZE 2048
+#define TX_RING_SIZE 4096
+#define CS_RING_SIZE (TX_RING_SIZE*2)
+
+
 #define MAX_LRO_DESCRIPTORS 8
 #define MAX_CS	2
  
  
@@ -103,7 +109,17 @@
 	dma_addr_t	dma;
 };
  
+#define TX_DESC(tx, num)	((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
+#define TX_DESC_INFO(tx, num)	((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
+#define RX_DESC(rx, num)	((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
+#define RX_DESC_INFO(rx, num)	((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
+#define RX_BUFF(rx, num)	((rx)->buffers[(num) & (RX_RING_SIZE-1)])
+#define CS_DESC(cs, num)	((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])
  
+#define RING_USED(ring)	(((ring)->next_to_fill - (ring)->next_to_clean) \
+				& ((ring)->size - 1))
+#define RING_AVAIL(ring)	((ring->size) - RING_USED(ring))
+
 /* PCI register offsets and formats */
  
  
@@ -114,6 +130,7 @@
 	PAS_MAC_CFG_ADR0 = 0x8c,
 	PAS_MAC_CFG_ADR1 = 0x90,
 	PAS_MAC_CFG_TXP = 0x98,
+	PAS_MAC_CFG_RMON = 0x100,
 	PAS_MAC_IPC_CHNL = 0x208,
 };
  
@@ -185,6 +202,8 @@
 #define PAS_MAC_CFG_TXP_TIFG(x)		(((x) << PAS_MAC_CFG_TXP_TIFG_S) & \
 					 PAS_MAC_CFG_TXP_TIFG_M)
  
+#define PAS_MAC_RMON(r)			(0x100+(r)*4)
+
 #define PAS_MAC_IPC_CHNL_DCHNO_M	0x003f0000
 #define PAS_MAC_IPC_CHNL_DCHNO_S	16
 #define PAS_MAC_IPC_CHNL_DCHNO(x)	(((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \
@@ -193,6 +212,7 @@
 #define PAS_MAC_IPC_CHNL_BCH_S		0
 #define PAS_MAC_IPC_CHNL_BCH(x)		(((x) << PAS_MAC_IPC_CHNL_BCH_S) & \
 					 PAS_MAC_IPC_CHNL_BCH_M)
+
  
 #endif /* PASEMI_MAC_H */
+/*
+ * Copyright (C) 2006-2008 PA Semi, Inc
+ *
+ * Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/pci.h>
+#include <linux/inet_lro.h>
+
+#include <asm/pasemi_dma.h>
+#include "pasemi_mac.h"
+
+static struct {
+	const char str[ETH_GSTRING_LEN];
+} ethtool_stats_keys[] = {
+	{ "rx-drops" },
+	{ "rx-bytes" },
+	{ "rx-packets" },
+	{ "rx-broadcast-packets" },
+	{ "rx-multicast-packets" },
+	{ "rx-crc-errors" },
+	{ "rx-undersize-errors" },
+	{ "rx-oversize-errors" },
+	{ "rx-short-fragment-errors" },
+	{ "rx-jabber-errors" },
+	{ "rx-64-byte-packets" },
+	{ "rx-65-127-byte-packets" },
+	{ "rx-128-255-byte-packets" },
+	{ "rx-256-511-byte-packets" },
+	{ "rx-512-1023-byte-packets" },
+	{ "rx-1024-1518-byte-packets" },
+	{ "rx-pause-frames" },
+	{ "tx-bytes" },
+	{ "tx-packets" },
+	{ "tx-broadcast-packets" },
+	{ "tx-multicast-packets" },
+	{ "tx-collisions" },
+	{ "tx-late-collisions" },
+	{ "tx-excessive-collisions" },
+	{ "tx-crc-errors" },
+	{ "tx-undersize-errors" },
+	{ "tx-oversize-errors" },
+	{ "tx-64-byte-packets" },
+	{ "tx-65-127-byte-packets" },
+	{ "tx-128-255-byte-packets" },
+	{ "tx-256-511-byte-packets" },
+	{ "tx-512-1023-byte-packets" },
+	{ "tx-1024-1518-byte-packets" },
+};
+
+static int
+pasemi_mac_ethtool_get_settings(struct net_device *netdev,
+			       struct ethtool_cmd *cmd)
+{
+	struct pasemi_mac *mac = netdev_priv(netdev);
+	struct phy_device *phydev = mac->phydev;
+
+	return phy_ethtool_gset(phydev, cmd);
+}
+
+static void
+pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
+			       struct ethtool_drvinfo *drvinfo)
+{
+	struct pasemi_mac *mac;
+	mac = netdev_priv(netdev);
+
+	/* clear and fill out info */
+	memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
+	strncpy(drvinfo->driver, "pasemi_mac", 12);
+	strcpy(drvinfo->version, "N/A");
+	strcpy(drvinfo->fw_version, "N/A");
+	strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32);
+}
+
+static u32
+pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
+{
+	struct pasemi_mac *mac = netdev_priv(netdev);
+	return mac->msg_enable;
+}
+
+static void
+pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
+				u32 level)
+{
+	struct pasemi_mac *mac = netdev_priv(netdev);
+	mac->msg_enable = level;
+}
+
+
+static void
+pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
+				 struct ethtool_ringparam *ering)
+{
+	struct pasemi_mac *mac = netdev->priv;
+
+	ering->tx_max_pending = TX_RING_SIZE/2;
+	ering->tx_pending = RING_USED(mac->tx)/2;
+	ering->rx_max_pending = RX_RING_SIZE/4;
+	ering->rx_pending = RING_USED(mac->rx)/4;
+}
+
+static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return ARRAY_SIZE(ethtool_stats_keys);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
+		struct ethtool_stats *stats, u64 *data)
+{
+	struct pasemi_mac *mac = netdev->priv;
+	int i;
+
+	data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
+			>> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
+	for (i = 0; i < 32; i++)
+		data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
+}
+
+static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
+				   u8 *data)
+{
+	memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
+}
+
+const struct ethtool_ops pasemi_mac_ethtool_ops = {
+	.get_settings		= pasemi_mac_ethtool_get_settings,
+	.get_drvinfo		= pasemi_mac_ethtool_get_drvinfo,
+	.get_msglevel		= pasemi_mac_ethtool_get_msglevel,
+	.set_msglevel		= pasemi_mac_ethtool_set_msglevel,
+	.get_link		= ethtool_op_get_link,
+	.get_ringparam          = pasemi_mac_ethtool_get_ringparam,
+	.get_strings		= pasemi_mac_get_strings,
+	.get_sset_count		= pasemi_mac_get_sset_count,
+	.get_ethtool_stats	= pasemi_mac_get_ethtool_stats,
+};
...	...	@@ -218,7 +218,8 @@
218	218	obj-$(CONFIG_BFIN_MAC) += bfin_mac.o
219	219	obj-$(CONFIG_DM9000) += dm9000.o
220	220	obj-$(CONFIG_FEC_8XX) += fec_8xx/
221		-obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o
	221	+obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
	222	+pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
222	223	obj-$(CONFIG_MLX4_CORE) += mlx4/
223	224	obj-$(CONFIG_ENC28J60) += enc28j60.o
224	225
...	...	@@ -55,12 +55,6 @@
55	55	* - Multiqueue RX/TX
56	56	*/
57	57
58		-
59		-/* Must be a power of two */
60		-#define RX_RING_SIZE 2048
61		-#define TX_RING_SIZE 4096
62		-#define CS_RING_SIZE (TX_RING_SIZE*2)
63		-
64	58	#define LRO_MAX_AGGR 64
65	59
66	60	#define PE_MIN_MTU 64
...	...	@@ -77,17 +71,6 @@
77	71	NETIF_MSG_RX_ERR \| \
78	72	NETIF_MSG_TX_ERR)
79	73
80		-#define TX_DESC(tx, num) ((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
81		-#define TX_DESC_INFO(tx, num) ((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
82		-#define RX_DESC(rx, num) ((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
83		-#define RX_DESC_INFO(rx, num) ((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
84		-#define RX_BUFF(rx, num) ((rx)->buffers[(num) & (RX_RING_SIZE-1)])
85		-#define CS_DESC(cs, num) ((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])
86		-
87		-#define RING_USED(ring) (((ring)->next_to_fill - (ring)->next_to_clean) \
88		- & ((ring)->size - 1))
89		-#define RING_AVAIL(ring) ((ring->size) - RING_USED(ring))
90		-
91	74	MODULE_LICENSE("GPL");
92	75	MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>");
93	76	MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver");
...	...	@@ -96,6 +79,8 @@
96	79	module_param(debug, int, 0);
97	80	MODULE_PARM_DESC(debug, "PA Semi MAC bitmapped debugging message enable value");
98	81
	82	+extern const struct ethtool_ops pasemi_mac_ethtool_ops;
	83	+
99	84	static int translation_enabled(void)
100	85	{
101	86	#if defined(CONFIG_PPC_PASEMI_IOMMU_DMA_FORCE)
...	...	@@ -1148,7 +1133,7 @@
1148	1133	{
1149	1134	struct pasemi_mac *mac = netdev_priv(dev);
1150	1135	unsigned int flags;
1151		- int ret;
	1136	+ int i, ret;
1152	1137
1153	1138	flags = PAS_MAC_CFG_TXP_FCE \| PAS_MAC_CFG_TXP_FPC(3) \|
1154	1139	PAS_MAC_CFG_TXP_SL(3) \| PAS_MAC_CFG_TXP_COB(0xf) \|
...	...	@@ -1171,6 +1156,10 @@
1171	1156	goto out_tx_ring;
1172	1157	}
1173	1158
	1159	+ /* Zero out rmon counters */
	1160	+ for (i = 0; i < 32; i++)
	1161	+ write_mac_reg(mac, PAS_MAC_RMON(i), 0);
	1162	+
1174	1163	/* 0x3ff with 33MHz clock is about 31us */
1175	1164	write_iob_reg(PAS_IOB_DMA_COM_TIMEOUTCFG,
1176	1165	PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(0x3ff));
...	...	@@ -1812,6 +1801,7 @@
1812	1801	mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128;
1813	1802
1814	1803	dev->change_mtu = pasemi_mac_change_mtu;
	1804	+ dev->ethtool_ops = &pasemi_mac_ethtool_ops;
1815	1805
1816	1806	if (err)
1817	1807	goto out;
...	...	@@ -26,6 +26,12 @@
26	26	#include <linux/spinlock.h>
27	27	#include <linux/phy.h>
28	28
	29	+/* Must be a power of two */
	30	+#define RX_RING_SIZE 2048
	31	+#define TX_RING_SIZE 4096
	32	+#define CS_RING_SIZE (TX_RING_SIZE*2)
	33	+
	34	+
29	35	#define MAX_LRO_DESCRIPTORS 8
30	36	#define MAX_CS 2
31	37
32	38
...	...	@@ -103,7 +109,17 @@
103	109	dma_addr_t dma;
104	110	};
105	111
	112	+#define TX_DESC(tx, num) ((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
	113	+#define TX_DESC_INFO(tx, num) ((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
	114	+#define RX_DESC(rx, num) ((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
	115	+#define RX_DESC_INFO(rx, num) ((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
	116	+#define RX_BUFF(rx, num) ((rx)->buffers[(num) & (RX_RING_SIZE-1)])
	117	+#define CS_DESC(cs, num) ((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])
106	118
	119	+#define RING_USED(ring) (((ring)->next_to_fill - (ring)->next_to_clean) \
	120	+ & ((ring)->size - 1))
	121	+#define RING_AVAIL(ring) ((ring->size) - RING_USED(ring))
	122	+
107	123	/* PCI register offsets and formats */
108	124
109	125
...	...	@@ -114,6 +130,7 @@
114	130	PAS_MAC_CFG_ADR0 = 0x8c,
115	131	PAS_MAC_CFG_ADR1 = 0x90,
116	132	PAS_MAC_CFG_TXP = 0x98,
	133	+ PAS_MAC_CFG_RMON = 0x100,
117	134	PAS_MAC_IPC_CHNL = 0x208,
118	135	};
119	136
...	...	@@ -185,6 +202,8 @@
185	202	#define PAS_MAC_CFG_TXP_TIFG(x) (((x) << PAS_MAC_CFG_TXP_TIFG_S) & \
186	203	PAS_MAC_CFG_TXP_TIFG_M)
187	204
	205	+#define PAS_MAC_RMON(r) (0x100+(r)*4)
	206	+
188	207	#define PAS_MAC_IPC_CHNL_DCHNO_M 0x003f0000
189	208	#define PAS_MAC_IPC_CHNL_DCHNO_S 16
190	209	#define PAS_MAC_IPC_CHNL_DCHNO(x) (((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \
...	...	@@ -193,6 +212,7 @@
193	212	#define PAS_MAC_IPC_CHNL_BCH_S 0
194	213	#define PAS_MAC_IPC_CHNL_BCH(x) (((x) << PAS_MAC_IPC_CHNL_BCH_S) & \
195	214	PAS_MAC_IPC_CHNL_BCH_M)
	215	+
196	216
197	217	#endif /* PASEMI_MAC_H */
	1	+/*
	2	+ * Copyright (C) 2006-2008 PA Semi, Inc
	3	+ *
	4	+ * Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
	5	+ *
	6	+ * This program is free software; you can redistribute it and/or modify
	7	+ * it under the terms of the GNU General Public License version 2 as
	8	+ * published by the Free Software Foundation.
	9	+ *
	10	+ * This program is distributed in the hope that it will be useful,
	11	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	+ * GNU General Public License for more details.
	14	+ *
	15	+ * You should have received a copy of the GNU General Public License
	16	+ * along with this program; if not, write to the Free Software
	17	+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	+ */
	19	+
	20	+
	21	+#include <linux/netdevice.h>
	22	+#include <linux/ethtool.h>
	23	+#include <linux/pci.h>
	24	+#include <linux/inet_lro.h>
	25	+
	26	+#include <asm/pasemi_dma.h>
	27	+#include "pasemi_mac.h"
	28	+
	29	+static struct {
	30	+ const char str[ETH_GSTRING_LEN];
	31	+} ethtool_stats_keys[] = {
	32	+ { "rx-drops" },
	33	+ { "rx-bytes" },
	34	+ { "rx-packets" },
	35	+ { "rx-broadcast-packets" },
	36	+ { "rx-multicast-packets" },
	37	+ { "rx-crc-errors" },
	38	+ { "rx-undersize-errors" },
	39	+ { "rx-oversize-errors" },
	40	+ { "rx-short-fragment-errors" },
	41	+ { "rx-jabber-errors" },
	42	+ { "rx-64-byte-packets" },
	43	+ { "rx-65-127-byte-packets" },
	44	+ { "rx-128-255-byte-packets" },
	45	+ { "rx-256-511-byte-packets" },
	46	+ { "rx-512-1023-byte-packets" },
	47	+ { "rx-1024-1518-byte-packets" },
	48	+ { "rx-pause-frames" },
	49	+ { "tx-bytes" },
	50	+ { "tx-packets" },
	51	+ { "tx-broadcast-packets" },
	52	+ { "tx-multicast-packets" },
	53	+ { "tx-collisions" },
	54	+ { "tx-late-collisions" },
	55	+ { "tx-excessive-collisions" },
	56	+ { "tx-crc-errors" },
	57	+ { "tx-undersize-errors" },
	58	+ { "tx-oversize-errors" },
	59	+ { "tx-64-byte-packets" },
	60	+ { "tx-65-127-byte-packets" },
	61	+ { "tx-128-255-byte-packets" },
	62	+ { "tx-256-511-byte-packets" },
	63	+ { "tx-512-1023-byte-packets" },
	64	+ { "tx-1024-1518-byte-packets" },
	65	+};
	66	+
	67	+static int
	68	+pasemi_mac_ethtool_get_settings(struct net_device *netdev,
	69	+ struct ethtool_cmd *cmd)
	70	+{
	71	+ struct pasemi_mac *mac = netdev_priv(netdev);
	72	+ struct phy_device *phydev = mac->phydev;
	73	+
	74	+ return phy_ethtool_gset(phydev, cmd);
	75	+}
	76	+
	77	+static void
	78	+pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
	79	+ struct ethtool_drvinfo *drvinfo)
	80	+{
	81	+ struct pasemi_mac *mac;
	82	+ mac = netdev_priv(netdev);
	83	+
	84	+ /* clear and fill out info */
	85	+ memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
	86	+ strncpy(drvinfo->driver, "pasemi_mac", 12);
	87	+ strcpy(drvinfo->version, "N/A");
	88	+ strcpy(drvinfo->fw_version, "N/A");
	89	+ strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32);
	90	+}
	91	+
	92	+static u32
	93	+pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
	94	+{
	95	+ struct pasemi_mac *mac = netdev_priv(netdev);
	96	+ return mac->msg_enable;
	97	+}
	98	+
	99	+static void
	100	+pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
	101	+ u32 level)
	102	+{
	103	+ struct pasemi_mac *mac = netdev_priv(netdev);
	104	+ mac->msg_enable = level;
	105	+}
	106	+
	107	+
	108	+static void
	109	+pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
	110	+ struct ethtool_ringparam *ering)
	111	+{
	112	+ struct pasemi_mac *mac = netdev->priv;
	113	+
	114	+ ering->tx_max_pending = TX_RING_SIZE/2;
	115	+ ering->tx_pending = RING_USED(mac->tx)/2;
	116	+ ering->rx_max_pending = RX_RING_SIZE/4;
	117	+ ering->rx_pending = RING_USED(mac->rx)/4;
	118	+}
	119	+
	120	+static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
	121	+{
	122	+ switch (sset) {
	123	+ case ETH_SS_STATS:
	124	+ return ARRAY_SIZE(ethtool_stats_keys);
	125	+ default:
	126	+ return -EOPNOTSUPP;
	127	+ }
	128	+}
	129	+
	130	+static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
	131	+ struct ethtool_stats stats, u64 data)
	132	+{
	133	+ struct pasemi_mac *mac = netdev->priv;
	134	+ int i;
	135	+
	136	+ data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
	137	+ >> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
	138	+ for (i = 0; i < 32; i++)
	139	+ data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
	140	+}
	141	+
	142	+static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
	143	+ u8 *data)
	144	+{
	145	+ memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
	146	+}
	147	+
	148	+const struct ethtool_ops pasemi_mac_ethtool_ops = {
	149	+ .get_settings = pasemi_mac_ethtool_get_settings,
	150	+ .get_drvinfo = pasemi_mac_ethtool_get_drvinfo,
	151	+ .get_msglevel = pasemi_mac_ethtool_get_msglevel,
	152	+ .set_msglevel = pasemi_mac_ethtool_set_msglevel,
	153	+ .get_link = ethtool_op_get_link,
	154	+ .get_ringparam = pasemi_mac_ethtool_get_ringparam,
	155	+ .get_strings = pasemi_mac_get_strings,
	156	+ .get_sset_count = pasemi_mac_get_sset_count,
	157	+ .get_ethtool_stats = pasemi_mac_get_ethtool_stats,
	158	+};