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path: root/drivers/net/sfc/ethtool.c
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Diffstat (limited to 'drivers/net/sfc/ethtool.c')
-rw-r--r--drivers/net/sfc/ethtool.c150
1 files changed, 100 insertions, 50 deletions
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index cd0d0873d978..3aaece6b12cc 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -12,24 +12,24 @@
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>
#include "net_driver.h"
+#include "workarounds.h"
#include "selftest.h"
#include "efx.h"
#include "ethtool.h"
#include "falcon.h"
-#include "gmii.h"
#include "spi.h"
-#include "mac.h"
+#include "mdio_10g.h"
const char *efx_loopback_mode_names[] = {
[LOOPBACK_NONE] = "NONE",
- [LOOPBACK_MAC] = "MAC",
+ [LOOPBACK_GMAC] = "GMAC",
[LOOPBACK_XGMII] = "XGMII",
[LOOPBACK_XGXS] = "XGXS",
[LOOPBACK_XAUI] = "XAUI",
- [LOOPBACK_PHY] = "PHY",
- [LOOPBACK_PHYXS] = "PHY(XS)",
- [LOOPBACK_PCS] = "PHY(PCS)",
- [LOOPBACK_PMAPMD] = "PHY(PMAPMD)",
+ [LOOPBACK_GPHY] = "GPHY",
+ [LOOPBACK_PHYXS] = "PHYXS",
+ [LOOPBACK_PCS] = "PCS",
+ [LOOPBACK_PMAPMD] = "PMA/PMD",
[LOOPBACK_NETWORK] = "NETWORK",
};
@@ -172,10 +172,7 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
/* Number of ethtool statistics */
#define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
-/* EEPROM range with gPXE configuration */
#define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
-#define EFX_ETHTOOL_EEPROM_MIN 0x800U
-#define EFX_ETHTOOL_EEPROM_MAX 0x1800U
/**************************************************************************
*
@@ -185,12 +182,16 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
*/
/* Identify device by flashing LEDs */
-static int efx_ethtool_phys_id(struct net_device *net_dev, u32 seconds)
+static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
{
struct efx_nic *efx = netdev_priv(net_dev);
efx->board_info.blink(efx, 1);
- schedule_timeout_interruptible(seconds * HZ);
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (count)
+ schedule_timeout(count * HZ);
+ else
+ schedule();
efx->board_info.blink(efx, 0);
return 0;
}
@@ -200,13 +201,15 @@ int efx_ethtool_get_settings(struct net_device *net_dev,
struct ethtool_cmd *ecmd)
{
struct efx_nic *efx = netdev_priv(net_dev);
- int rc;
mutex_lock(&efx->mac_lock);
- rc = falcon_xmac_get_settings(efx, ecmd);
+ efx->phy_op->get_settings(efx, ecmd);
mutex_unlock(&efx->mac_lock);
- return rc;
+ /* Falcon GMAC does not support 1000Mbps HD */
+ ecmd->supported &= ~SUPPORTED_1000baseT_Half;
+
+ return 0;
}
/* This must be called with rtnl_lock held. */
@@ -216,8 +219,18 @@ int efx_ethtool_set_settings(struct net_device *net_dev,
struct efx_nic *efx = netdev_priv(net_dev);
int rc;
+ if (EFX_WORKAROUND_13963(efx) && !ecmd->autoneg)
+ return -EINVAL;
+
+ /* Falcon GMAC does not support 1000Mbps HD */
+ if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) {
+ EFX_LOG(efx, "rejecting unsupported 1000Mbps HD"
+ " setting\n");
+ return -EINVAL;
+ }
+
mutex_lock(&efx->mac_lock);
- rc = falcon_xmac_set_settings(efx, ecmd);
+ rc = efx->phy_op->set_settings(efx, ecmd);
mutex_unlock(&efx->mac_lock);
if (!rc)
efx_reconfigure_port(efx);
@@ -241,10 +254,10 @@ static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
* @strings: Ethtool strings, or %NULL
* @data: Ethtool test results, or %NULL
* @test: Pointer to test result (used only if data != %NULL)
- * @unit_format: Unit name format (e.g. "channel\%d")
- * @unit_id: Unit id (e.g. 0 for "channel0")
+ * @unit_format: Unit name format (e.g. "chan\%d")
+ * @unit_id: Unit id (e.g. 0 for "chan0")
* @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
- * @test_id: Test id (e.g. "PHY" for "loopback.PHY.tx_sent")
+ * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
*
* Fill in an individual self-test entry.
*/
@@ -261,18 +274,20 @@ static void efx_fill_test(unsigned int test_index,
/* Fill string, if applicable */
if (strings) {
- snprintf(unit_str.name, sizeof(unit_str.name),
- unit_format, unit_id);
+ if (strchr(unit_format, '%'))
+ snprintf(unit_str.name, sizeof(unit_str.name),
+ unit_format, unit_id);
+ else
+ strcpy(unit_str.name, unit_format);
snprintf(test_str.name, sizeof(test_str.name),
test_format, test_id);
snprintf(strings[test_index].name,
sizeof(strings[test_index].name),
- "%-9s%-17s", unit_str.name, test_str.name);
+ "%-6s %-24s", unit_str.name, test_str.name);
}
}
-#define EFX_PORT_NAME "port%d", 0
-#define EFX_CHANNEL_NAME(_channel) "channel%d", _channel->channel
+#define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
#define EFX_LOOPBACK_NAME(_mode, _counter) \
@@ -307,11 +322,11 @@ static int efx_fill_loopback_test(struct efx_nic *efx,
}
efx_fill_test(test_index++, strings, data,
&lb_tests->rx_good,
- EFX_PORT_NAME,
+ "rx", 0,
EFX_LOOPBACK_NAME(mode, "rx_good"));
efx_fill_test(test_index++, strings, data,
&lb_tests->rx_bad,
- EFX_PORT_NAME,
+ "rx", 0,
EFX_LOOPBACK_NAME(mode, "rx_bad"));
return test_index;
@@ -359,13 +374,9 @@ static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
efx_fill_test(n++, strings, data, &tests->registers,
"core", 0, "registers", NULL);
efx_fill_test(n++, strings, data, &tests->phy,
- EFX_PORT_NAME, "phy", NULL);
+ "phy", 0, "bist", NULL);
/* Loopback tests */
- efx_fill_test(n++, strings, data, &tests->loopback_speed,
- EFX_PORT_NAME, "loopback.speed", NULL);
- efx_fill_test(n++, strings, data, &tests->loopback_full_duplex,
- EFX_PORT_NAME, "loopback.full_duplex", NULL);
for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
if (!(efx->loopback_modes & (1 << mode)))
continue;
@@ -429,7 +440,7 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS);
/* Update MAC and NIC statistics */
- net_dev->get_stats(net_dev);
+ dev_get_stats(net_dev);
/* Fill detailed statistics buffer */
for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) {
@@ -545,8 +556,8 @@ static int efx_ethtool_get_eeprom_len(struct net_device *net_dev)
if (!spi)
return 0;
- return min(spi->size, EFX_ETHTOOL_EEPROM_MAX) -
- min(spi->size, EFX_ETHTOOL_EEPROM_MIN);
+ return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) -
+ min(spi->size, EFX_EEPROM_BOOTCONFIG_START);
}
static int efx_ethtool_get_eeprom(struct net_device *net_dev,
@@ -557,8 +568,13 @@ static int efx_ethtool_get_eeprom(struct net_device *net_dev,
size_t len;
int rc;
- rc = falcon_spi_read(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN,
+ rc = mutex_lock_interruptible(&efx->spi_lock);
+ if (rc)
+ return rc;
+ rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
eeprom->len, &len, buf);
+ mutex_unlock(&efx->spi_lock);
+
eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC;
eeprom->len = len;
return rc;
@@ -575,8 +591,13 @@ static int efx_ethtool_set_eeprom(struct net_device *net_dev,
if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC)
return -EINVAL;
- rc = falcon_spi_write(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN,
+ rc = mutex_lock_interruptible(&efx->spi_lock);
+ if (rc)
+ return rc;
+ rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
eeprom->len, &len, buf);
+ mutex_unlock(&efx->spi_lock);
+
eeprom->len = len;
return rc;
}
@@ -666,23 +687,52 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
struct ethtool_pauseparam *pause)
{
struct efx_nic *efx = netdev_priv(net_dev);
- enum efx_fc_type flow_control = efx->flow_control;
- int rc;
+ enum efx_fc_type wanted_fc;
+ bool reset;
+
+ wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
+ (pause->tx_pause ? EFX_FC_TX : 0) |
+ (pause->autoneg ? EFX_FC_AUTO : 0));
- flow_control &= ~(EFX_FC_RX | EFX_FC_TX | EFX_FC_AUTO);
- flow_control |= pause->rx_pause ? EFX_FC_RX : 0;
- flow_control |= pause->tx_pause ? EFX_FC_TX : 0;
- flow_control |= pause->autoneg ? EFX_FC_AUTO : 0;
+ if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
+ EFX_LOG(efx, "Flow control unsupported: tx ON rx OFF\n");
+ return -EINVAL;
+ }
+
+ if (!(efx->phy_op->mmds & DEV_PRESENT_BIT(MDIO_MMD_AN)) &&
+ (wanted_fc & EFX_FC_AUTO)) {
+ EFX_LOG(efx, "PHY does not support flow control "
+ "autonegotiation\n");
+ return -EINVAL;
+ }
+
+ /* TX flow control may automatically turn itself off if the
+ * link partner (intermittently) stops responding to pause
+ * frames. There isn't any indication that this has happened,
+ * so the best we do is leave it up to the user to spot this
+ * and fix it be cycling transmit flow control on this end. */
+ reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX);
+ if (EFX_WORKAROUND_11482(efx) && reset) {
+ if (falcon_rev(efx) >= FALCON_REV_B0) {
+ /* Recover by resetting the EM block */
+ if (efx->link_up)
+ falcon_drain_tx_fifo(efx);
+ } else {
+ /* Schedule a reset to recover */
+ efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
+ }
+ }
/* Try to push the pause parameters */
mutex_lock(&efx->mac_lock);
- rc = falcon_xmac_set_pause(efx, flow_control);
- mutex_unlock(&efx->mac_lock);
- if (!rc)
- efx_reconfigure_port(efx);
+ efx->wanted_fc = wanted_fc;
+ mdio_clause45_set_pause(efx);
+ __efx_reconfigure_port(efx);
- return rc;
+ mutex_unlock(&efx->mac_lock);
+
+ return 0;
}
static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
@@ -690,9 +740,9 @@ static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
{
struct efx_nic *efx = netdev_priv(net_dev);
- pause->rx_pause = !!(efx->flow_control & EFX_FC_RX);
- pause->tx_pause = !!(efx->flow_control & EFX_FC_TX);
- pause->autoneg = !!(efx->flow_control & EFX_FC_AUTO);
+ pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
+ pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
+ pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-19 11:05:22 +0300