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Date: Sat, 2 Feb 2008 19:50:06 -0600
From: Jay Cliburn <jacliburn@...lsouth.net>
To: jeff@...zik.org
Cc: csnook@...hat.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, Jay Cliburn <jacliburn@...lsouth.net>
Subject: [PATCH 04/10] atl1: add ethtool register dump
Add the ethtool register dump option to the atl1 driver.
Signed-off-by: Jay Cliburn <jacliburn@...lsouth.net>
Acked-by: Chris Snook <csnook@...hat.com>
---
drivers/net/atlx/atl1.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++
drivers/net/atlx/atl1.h | 1 +
2 files changed, 54 insertions(+), 0 deletions(-)
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 8a26dad..1f564f0 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -2513,6 +2513,57 @@ static int atl1_set_wol(struct net_device *netdev,
return 0;
}
+static int atl1_get_regs_len(struct net_device *netdev)
+{
+ return ATL1_REG_COUNT * sizeof(u32);
+}
+
+static void atl1_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
+ void *p)
+{
+ struct atl1_adapter *adapter = netdev_priv(netdev);
+ struct atl1_hw *hw = &adapter->hw;
+ unsigned int i;
+ u32 *regbuf = p;
+
+ for (i = 0; i < ATL1_REG_COUNT; i++) {
+ /*
+ * This switch statement avoids reserved regions
+ * of register space.
+ */
+ switch (i) {
+ case 6 ... 9:
+ case 14:
+ case 29 ... 31:
+ case 34 ... 63:
+ case 75 ... 127:
+ case 136 ... 1023:
+ case 1027 ... 1087:
+ case 1091 ... 1151:
+ case 1194 ... 1195:
+ case 1200 ... 1201:
+ case 1206 ... 1213:
+ case 1216 ... 1279:
+ case 1290 ... 1311:
+ case 1323 ... 1343:
+ case 1358 ... 1359:
+ case 1368 ... 1375:
+ case 1378 ... 1383:
+ case 1388 ... 1391:
+ case 1393 ... 1395:
+ case 1402 ... 1403:
+ case 1410 ... 1471:
+ case 1522 ... 1535:
+ /* reserved region; don't read it */
+ regbuf[i] = 0;
+ break;
+ default:
+ /* unreserved region */
+ regbuf[i] = ioread32(hw->hw_addr + (i * sizeof(u32)));
+ }
+ }
+}
+
static void atl1_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
@@ -2703,6 +2754,8 @@ const struct ethtool_ops atl1_ethtool_ops = {
.get_drvinfo = atl1_get_drvinfo,
.get_wol = atl1_get_wol,
.set_wol = atl1_set_wol,
+ .get_regs_len = atl1_get_regs_len,
+ .get_regs = atl1_get_regs,
.get_ringparam = atl1_get_ringparam,
.set_ringparam = atl1_set_ringparam,
.get_pauseparam = atl1_get_pauseparam,
diff --git a/drivers/net/atlx/atl1.h b/drivers/net/atlx/atl1.h
index 538948d..30c5a8d 100644
--- a/drivers/net/atlx/atl1.h
+++ b/drivers/net/atlx/atl1.h
@@ -584,6 +584,7 @@ enum atl1_dma_req_block {
#define ATL1_DEFAULT_RFD 512
#define ATL1_MIN_RFD 128
#define ATL1_MAX_RFD 2048
+#define ATL1_REG_COUNT 1538
#define ATL1_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i]))
#define ATL1_RFD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_free_desc)
--
1.5.3.8
--
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