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>

1 files changed, 8 insertions, 18 deletions

diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index 5ee7e4a73ae0..c50f0f4de6d8 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -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 @@ static int debug = -1;	/* -1 == use DEFAULT_MSG_ENABLE as value */
 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 @@ static int pasemi_mac_open(struct net_device *dev)
 {
         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 @@ static int pasemi_mac_open(struct net_device *dev)
                         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 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         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;