}
+void efx_link_set_advertising(struct efx_nic *efx, u32 advertising)
+{
+ efx->link_advertising = advertising;
+ if (advertising) {
+ if (advertising & ADVERTISED_Pause)
+ efx->wanted_fc |= (EFX_FC_TX | EFX_FC_RX);
+ else
+ efx->wanted_fc &= ~(EFX_FC_TX | EFX_FC_RX);
+ if (advertising & ADVERTISED_Asym_Pause)
+ efx->wanted_fc ^= EFX_FC_TX;
+ }
+}
+
+void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type wanted_fc)
+{
+ efx->wanted_fc = wanted_fc;
+ if (efx->link_advertising) {
+ if (wanted_fc & EFX_FC_RX)
+ efx->link_advertising |= (ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ else
+ efx->link_advertising &= ~(ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ if (wanted_fc & EFX_FC_TX)
+ efx->link_advertising ^= ADVERTISED_Asym_Pause;
+ }
+}
+
static void efx_fini_port(struct efx_nic *efx);
-/* This call reinitialises the MAC to pick up new PHY settings. The
- * caller must hold the mac_lock */
-void __efx_reconfigure_port(struct efx_nic *efx)
+/* Push loopback/power/transmit disable settings to the PHY, and reconfigure
+ * the MAC appropriately. All other PHY configuration changes are pushed
+ * through phy_op->set_settings(), and pushed asynchronously to the MAC
+ * through efx_monitor().
+ *
+ * Callers must hold the mac_lock
+ */
+int __efx_reconfigure_port(struct efx_nic *efx)
{
- WARN_ON(!mutex_is_locked(&efx->mac_lock));
+ enum efx_phy_mode phy_mode;
+ int rc;
- EFX_LOG(efx, "reconfiguring MAC from PHY settings on CPU %d\n",
- raw_smp_processor_id());
+ WARN_ON(!mutex_is_locked(&efx->mac_lock));
/* Serialise the promiscuous flag with efx_set_multicast_list. */
if (efx_dev_registered(efx)) {
netif_addr_unlock_bh(efx->net_dev);
}
- efx->type->stop_stats(efx);
- falcon_deconfigure_mac_wrapper(efx);
-
- /* Reconfigure the PHY, disabling transmit in mac level loopback. */
+ /* Disable PHY transmit in mac level loopbacks */
+ phy_mode = efx->phy_mode;
if (LOOPBACK_INTERNAL(efx))
efx->phy_mode |= PHY_MODE_TX_DISABLED;
else
efx->phy_mode &= ~PHY_MODE_TX_DISABLED;
- efx->phy_op->reconfigure(efx);
-
- if (falcon_switch_mac(efx))
- goto fail;
- efx->mac_op->reconfigure(efx);
+ rc = efx->type->reconfigure_port(efx);
- efx->type->start_stats(efx);
-
- /* Inform kernel of loss/gain of carrier */
- efx_link_status_changed(efx);
- return;
+ if (rc)
+ efx->phy_mode = phy_mode;
-fail:
- EFX_ERR(efx, "failed to reconfigure MAC\n");
- efx->port_enabled = false;
- efx_fini_port(efx);
+ return rc;
}
/* Reinitialise the MAC to pick up new PHY settings, even if the port is
* disabled. */
-void efx_reconfigure_port(struct efx_nic *efx)
+int efx_reconfigure_port(struct efx_nic *efx)
{
+ int rc;
+
EFX_ASSERT_RESET_SERIALISED(efx);
mutex_lock(&efx->mac_lock);
- __efx_reconfigure_port(efx);
+ rc = __efx_reconfigure_port(efx);
mutex_unlock(&efx->mac_lock);
+
+ return rc;
}
/* Asynchronous work item for changing MAC promiscuity and multicast
rc = efx->phy_op->init(efx);
if (rc)
goto fail1;
- efx->phy_op->reconfigure(efx);
- rc = falcon_switch_mac(efx);
- if (rc)
- goto fail2;
- efx->mac_op->reconfigure(efx);
efx->port_initialized = true;
+ /* Reconfigure the MAC before creating dma queues (required for
+ * Falcon/A1 where RX_INGR_EN/TX_DRAIN_EN isn't supported) */
+ efx->mac_op->reconfigure(efx);
+
+ /* Ensure the PHY advertises the correct flow control settings */
+ rc = efx->phy_op->reconfigure(efx);
+ if (rc)
+ goto fail2;
+
mutex_unlock(&efx->mac_lock);
return 0;
/* Flush efx_mac_work(), refill_workqueue, monitor_work */
efx_flush_all(efx);
- /* Isolate the MAC from the TX and RX engines, so that queue
- * flushes will complete in a timely fashion. */
- falcon_deconfigure_mac_wrapper(efx);
- msleep(10); /* Let the Rx FIFO drain */
- falcon_drain_tx_fifo(efx);
-
/* Stop the kernel transmit interface late, so the watchdog
* timer isn't ticking over the flush */
if (efx_dev_registered(efx)) {
EFX_LOG(efx, "changing MTU to %d\n", new_mtu);
efx_fini_channels(efx);
+
+ mutex_lock(&efx->mac_lock);
+ /* Reconfigure the MAC before enabling the dma queues so that
+ * the RX buffers don't overflow */
net_dev->mtu = new_mtu;
+ efx->mac_op->reconfigure(efx);
+ mutex_unlock(&efx->mac_lock);
+
efx_init_channels(efx);
efx_start_all(efx);
memcpy(net_dev->dev_addr, new_addr, net_dev->addr_len);
/* Reconfigure the MAC */
- efx_reconfigure_port(efx);
+ mutex_lock(&efx->mac_lock);
+ efx->mac_op->reconfigure(efx);
+ mutex_unlock(&efx->mac_lock);
return 0;
}
/* Tears down the entire software state and most of the hardware state
* before reset. */
-void efx_reset_down(struct efx_nic *efx, enum reset_type method,
- struct ethtool_cmd *ecmd)
+void efx_reset_down(struct efx_nic *efx, enum reset_type method)
{
EFX_ASSERT_RESET_SERIALISED(efx);
mutex_lock(&efx->mac_lock);
mutex_lock(&efx->spi_lock);
- efx->phy_op->get_settings(efx, ecmd);
-
efx_fini_channels(efx);
if (efx->port_initialized && method != RESET_TYPE_INVISIBLE)
efx->phy_op->fini(efx);
* that we were unable to reinitialise the hardware, and the
* driver should be disabled. If ok is false, then the rx and tx
* engines are not restarted, pending a RESET_DISABLE. */
-int efx_reset_up(struct efx_nic *efx, enum reset_type method,
- struct ethtool_cmd *ecmd, bool ok)
+int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
{
int rc;
rc = efx->phy_op->init(efx);
if (rc)
ok = false;
+ if (efx->phy_op->reconfigure(efx))
+ EFX_ERR(efx, "could not restore PHY settings\n");
}
if (!ok)
efx->port_initialized = false;
}
if (ok) {
- efx_init_channels(efx);
+ efx->mac_op->reconfigure(efx);
- if (efx->phy_op->set_settings(efx, ecmd))
- EFX_ERR(efx, "could not restore PHY settings\n");
+ efx_init_channels(efx);
}
mutex_unlock(&efx->spi_lock);
*/
static int efx_reset(struct efx_nic *efx)
{
- struct ethtool_cmd ecmd;
enum reset_type method = efx->reset_pending;
int rc = 0;
EFX_INFO(efx, "resetting (%s)\n", RESET_TYPE(method));
- efx_reset_down(efx, method, &ecmd);
+ efx_reset_down(efx, method);
rc = efx->type->reset(efx, method);
if (rc) {
/* Leave device stopped if necessary */
if (method == RESET_TYPE_DISABLE) {
- efx_reset_up(efx, method, &ecmd, false);
+ efx_reset_up(efx, method, false);
rc = -EIO;
} else {
- rc = efx_reset_up(efx, method, &ecmd, true);
+ rc = efx_reset_up(efx, method, true);
}
out_disable:
static struct efx_phy_operations efx_dummy_phy_operations = {
.init = efx_port_dummy_op_int,
- .reconfigure = efx_port_dummy_op_void,
+ .reconfigure = efx_port_dummy_op_int,
.poll = efx_port_dummy_op_poll,
.fini = efx_port_dummy_op_void,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff