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sfc: Move Falcon NIC operations to efx_nic_type
This is preparation for adding differing implementations for new NICs. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings
David S. Miller
parent
4b0d29dcfc
commit
ef2b90ee4d
6 changed files with 105 additions and 63 deletions
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@ -274,14 +274,14 @@ static int efx_poll(struct napi_struct *napi, int budget)
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irq_adapt_low_thresh)) {
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if (channel->irq_moderation > 1) {
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channel->irq_moderation -= 1;
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falcon_set_int_moderation(channel);
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efx->type->push_irq_moderation(channel);
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}
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} else if (unlikely(channel->irq_mod_score >
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irq_adapt_high_thresh)) {
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if (channel->irq_moderation <
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efx->irq_rx_moderation) {
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channel->irq_moderation += 1;
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falcon_set_int_moderation(channel);
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efx->type->push_irq_moderation(channel);
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}
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}
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channel->irq_count = 0;
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@ -637,7 +637,7 @@ void __efx_reconfigure_port(struct efx_nic *efx)
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netif_addr_unlock_bh(efx->net_dev);
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}
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falcon_stop_nic_stats(efx);
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efx->type->stop_stats(efx);
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falcon_deconfigure_mac_wrapper(efx);
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/* Reconfigure the PHY, disabling transmit in mac level loopback. */
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@ -652,7 +652,7 @@ void __efx_reconfigure_port(struct efx_nic *efx)
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efx->mac_op->reconfigure(efx);
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falcon_start_nic_stats(efx);
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efx->type->start_stats(efx);
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/* Inform kernel of loss/gain of carrier */
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efx_link_status_changed(efx);
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@ -684,7 +684,7 @@ static void efx_mac_work(struct work_struct *data)
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mutex_lock(&efx->mac_lock);
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if (efx->port_enabled) {
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falcon_push_multicast_hash(efx);
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efx->type->push_multicast_hash(efx);
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efx->mac_op->reconfigure(efx);
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}
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mutex_unlock(&efx->mac_lock);
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@ -696,8 +696,8 @@ static int efx_probe_port(struct efx_nic *efx)
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EFX_LOG(efx, "create port\n");
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/* Connect up MAC/PHY operations table and read MAC address */
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rc = falcon_probe_port(efx);
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/* Connect up MAC/PHY operations table */
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rc = efx->type->probe_port(efx);
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if (rc)
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goto err;
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@ -765,7 +765,7 @@ static void efx_start_port(struct efx_nic *efx)
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/* efx_mac_work() might have been scheduled after efx_stop_port(),
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* and then cancelled by efx_flush_all() */
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falcon_push_multicast_hash(efx);
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efx->type->push_multicast_hash(efx);
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efx->mac_op->reconfigure(efx);
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mutex_unlock(&efx->mac_lock);
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@ -805,7 +805,7 @@ static void efx_remove_port(struct efx_nic *efx)
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{
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EFX_LOG(efx, "destroying port\n");
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falcon_remove_port(efx);
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efx->type->remove_port(efx);
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}
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/**************************************************************************
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@ -1042,7 +1042,7 @@ static int efx_probe_nic(struct efx_nic *efx)
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EFX_LOG(efx, "creating NIC\n");
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/* Carry out hardware-type specific initialisation */
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rc = falcon_probe_nic(efx);
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rc = efx->type->probe(efx);
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if (rc)
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return rc;
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@ -1063,7 +1063,7 @@ static void efx_remove_nic(struct efx_nic *efx)
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EFX_LOG(efx, "destroying NIC\n");
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efx_remove_interrupts(efx);
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falcon_remove_nic(efx);
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efx->type->remove(efx);
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}
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/**************************************************************************
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@ -1145,12 +1145,12 @@ static void efx_start_all(struct efx_nic *efx)
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falcon_enable_interrupts(efx);
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/* Start hardware monitor if we're in RUNNING */
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if (efx->state == STATE_RUNNING)
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/* Start the hardware monitor (if there is one) if we're in RUNNING */
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if (efx->state == STATE_RUNNING && efx->type->monitor != NULL)
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queue_delayed_work(efx->workqueue, &efx->monitor_work,
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efx_monitor_interval);
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falcon_start_nic_stats(efx);
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efx->type->start_stats(efx);
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}
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/* Flush all delayed work. Should only be called when no more delayed work
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@ -1186,7 +1186,7 @@ static void efx_stop_all(struct efx_nic *efx)
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if (!efx->port_enabled)
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return;
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falcon_stop_nic_stats(efx);
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efx->type->stop_stats(efx);
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/* Disable interrupts and wait for ISR to complete */
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falcon_disable_interrupts(efx);
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@ -1284,6 +1284,7 @@ static void efx_monitor(struct work_struct *data)
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EFX_TRACE(efx, "hardware monitor executing on CPU %d\n",
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raw_smp_processor_id());
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BUG_ON(efx->type->monitor == NULL);
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/* If the mac_lock is already held then it is likely a port
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* reconfiguration is already in place, which will likely do
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@ -1292,7 +1293,7 @@ static void efx_monitor(struct work_struct *data)
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goto out_requeue;
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if (!efx->port_enabled)
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goto out_unlock;
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falcon_monitor(efx);
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efx->type->monitor(efx);
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out_unlock:
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mutex_unlock(&efx->mac_lock);
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@ -1430,7 +1431,7 @@ static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
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struct net_device_stats *stats = &net_dev->stats;
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spin_lock_bh(&efx->stats_lock);
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falcon_update_nic_stats(efx);
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efx->type->update_stats(efx);
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spin_unlock_bh(&efx->stats_lock);
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stats->rx_packets = mac_stats->rx_packets;
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@ -1695,6 +1696,7 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method,
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efx_fini_channels(efx);
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if (efx->port_initialized && method != RESET_TYPE_INVISIBLE)
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efx->phy_op->fini(efx);
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efx->type->fini(efx);
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}
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/* This function will always ensure that the locks acquired in
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@ -1709,7 +1711,7 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method,
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EFX_ASSERT_RESET_SERIALISED(efx);
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rc = falcon_init_nic(efx);
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rc = efx->type->init(efx);
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if (rc) {
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EFX_ERR(efx, "failed to initialise NIC\n");
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ok = false;
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@ -1769,7 +1771,7 @@ static int efx_reset(struct efx_nic *efx)
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efx_reset_down(efx, method, &ecmd);
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rc = falcon_reset_hw(efx, method);
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rc = efx->type->reset(efx, method);
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if (rc) {
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EFX_ERR(efx, "failed to reset hardware\n");
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goto out_disable;
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@ -2005,6 +2007,7 @@ static void efx_pci_remove_main(struct efx_nic *efx)
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falcon_fini_interrupt(efx);
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efx_fini_channels(efx);
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efx_fini_port(efx);
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efx->type->fini(efx);
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efx_fini_napi(efx);
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efx_remove_all(efx);
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}
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@ -2064,7 +2067,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
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if (rc)
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goto fail2;
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rc = falcon_init_nic(efx);
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rc = efx->type->init(efx);
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if (rc) {
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EFX_ERR(efx, "failed to initialise NIC\n");
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goto fail3;
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@ -2088,6 +2091,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
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efx_fini_channels(efx);
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efx_fini_port(efx);
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fail4:
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efx->type->fini(efx);
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fail3:
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efx_fini_napi(efx);
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fail2:
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@ -649,7 +649,7 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev,
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efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive);
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efx_for_each_channel(channel, efx)
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falcon_set_int_moderation(channel);
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efx->type->push_irq_moderation(channel);
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return 0;
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}
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@ -1041,7 +1041,7 @@ int falcon_process_eventq(struct efx_channel *channel, int rx_quota)
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return rx_packets;
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}
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void falcon_set_int_moderation(struct efx_channel *channel)
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static void falcon_push_irq_moderation(struct efx_channel *channel)
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{
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efx_dword_t timer_cmd;
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struct efx_nic *efx = channel->efx;
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@ -1098,7 +1098,7 @@ void falcon_init_eventq(struct efx_channel *channel)
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efx_writeo_table(efx, &evq_ptr, efx->type->evq_ptr_tbl_base,
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channel->channel);
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falcon_set_int_moderation(channel);
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falcon_push_irq_moderation(channel);
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}
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void falcon_fini_eventq(struct efx_channel *channel)
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@ -1212,7 +1212,8 @@ int falcon_flush_queues(struct efx_nic *efx)
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struct efx_tx_queue *tx_queue;
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int i, tx_pending, rx_pending;
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falcon_prepare_flush(efx);
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/* If necessary prepare the hardware for flushing */
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efx->type->prepare_flush(efx);
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/* Flush all tx queues in parallel */
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efx_for_each_tx_queue(tx_queue, efx)
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@ -1825,6 +1826,16 @@ int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
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**************************************************************************
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*/
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static void falcon_push_multicast_hash(struct efx_nic *efx)
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{
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union efx_multicast_hash *mc_hash = &efx->multicast_hash;
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WARN_ON(!mutex_is_locked(&efx->mac_lock));
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efx_writeo(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
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efx_writeo(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
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}
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static int falcon_reset_macs(struct efx_nic *efx)
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{
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efx_oword_t reg;
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@ -2240,7 +2251,7 @@ out:
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}
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/* This call is responsible for hooking in the MAC and PHY operations */
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int falcon_probe_port(struct efx_nic *efx)
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static int falcon_probe_port(struct efx_nic *efx)
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{
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int rc;
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@ -2299,29 +2310,11 @@ int falcon_probe_port(struct efx_nic *efx)
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return 0;
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}
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void falcon_remove_port(struct efx_nic *efx)
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static void falcon_remove_port(struct efx_nic *efx)
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{
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falcon_free_buffer(efx, &efx->stats_buffer);
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}
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/**************************************************************************
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*
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* Multicast filtering
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*
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**************************************************************************
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*/
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void falcon_push_multicast_hash(struct efx_nic *efx)
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{
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union efx_multicast_hash *mc_hash = &efx->multicast_hash;
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WARN_ON(!mutex_is_locked(&efx->mac_lock));
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efx_writeo(efx, &mc_hash->oword[0], FR_AB_MAC_MC_HASH_REG0);
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efx_writeo(efx, &mc_hash->oword[1], FR_AB_MAC_MC_HASH_REG1);
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}
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/**************************************************************************
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*
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* Falcon test code
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@ -2503,7 +2496,7 @@ fail:
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/* Resets NIC to known state. This routine must be called in process
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* context and is allowed to sleep. */
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int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
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static int falcon_reset_hw(struct efx_nic *efx, enum reset_type method)
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{
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struct falcon_nic_data *nic_data = efx->nic_data;
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efx_oword_t glb_ctl_reg_ker;
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@ -2592,7 +2585,7 @@ fail5:
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return rc;
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}
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void falcon_monitor(struct efx_nic *efx)
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static void falcon_monitor(struct efx_nic *efx)
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{
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bool link_changed;
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int rc;
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@ -2850,7 +2843,7 @@ static void falcon_probe_spi_devices(struct efx_nic *efx)
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large_eeprom_type);
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}
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int falcon_probe_nic(struct efx_nic *efx)
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static int falcon_probe_nic(struct efx_nic *efx)
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{
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struct falcon_nic_data *nic_data;
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struct falcon_board *board;
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@ -3006,7 +2999,7 @@ static void falcon_init_rx_cfg(struct efx_nic *efx)
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* defining the descriptor cache sizes and number of RSS channels.
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* It does not set up any buffers, descriptor rings or event queues.
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*/
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int falcon_init_nic(struct efx_nic *efx)
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static int falcon_init_nic(struct efx_nic *efx)
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{
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efx_oword_t temp;
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int rc;
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@ -3139,7 +3132,7 @@ int falcon_init_nic(struct efx_nic *efx)
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return 0;
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}
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void falcon_remove_nic(struct efx_nic *efx)
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static void falcon_remove_nic(struct efx_nic *efx)
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{
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struct falcon_nic_data *nic_data = efx->nic_data;
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struct falcon_board *board = falcon_board(efx);
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@ -3168,7 +3161,7 @@ void falcon_remove_nic(struct efx_nic *efx)
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efx->nic_data = NULL;
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}
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void falcon_update_nic_stats(struct efx_nic *efx)
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static void falcon_update_nic_stats(struct efx_nic *efx)
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{
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struct falcon_nic_data *nic_data = efx->nic_data;
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efx_oword_t cnt;
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@ -3232,6 +3225,20 @@ void falcon_stop_nic_stats(struct efx_nic *efx)
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*/
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struct efx_nic_type falcon_a1_nic_type = {
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.probe = falcon_probe_nic,
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.remove = falcon_remove_nic,
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.init = falcon_init_nic,
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.fini = efx_port_dummy_op_void,
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.monitor = falcon_monitor,
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.reset = falcon_reset_hw,
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.probe_port = falcon_probe_port,
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.remove_port = falcon_remove_port,
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.prepare_flush = falcon_prepare_flush,
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.update_stats = falcon_update_nic_stats,
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.start_stats = falcon_start_nic_stats,
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.stop_stats = falcon_stop_nic_stats,
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.push_irq_moderation = falcon_push_irq_moderation,
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.push_multicast_hash = falcon_push_multicast_hash,
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.default_mac_ops = &falcon_xmac_operations,
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.revision = EFX_REV_FALCON_A1,
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@ -3250,6 +3257,20 @@ struct efx_nic_type falcon_a1_nic_type = {
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};
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struct efx_nic_type falcon_b0_nic_type = {
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.probe = falcon_probe_nic,
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.remove = falcon_remove_nic,
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.init = falcon_init_nic,
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.fini = efx_port_dummy_op_void,
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.monitor = falcon_monitor,
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.reset = falcon_reset_hw,
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.probe_port = falcon_probe_port,
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.remove_port = falcon_remove_port,
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.prepare_flush = falcon_prepare_flush,
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.update_stats = falcon_update_nic_stats,
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.start_stats = falcon_start_nic_stats,
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.stop_stats = falcon_stop_nic_stats,
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.push_irq_moderation = falcon_push_irq_moderation,
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.push_multicast_hash = falcon_push_multicast_hash,
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.default_mac_ops = &falcon_xmac_operations,
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.revision = EFX_REV_FALCON_B0,
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@ -129,10 +129,6 @@ extern void falcon_remove_eventq(struct efx_channel *channel);
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extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
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extern void falcon_eventq_read_ack(struct efx_channel *channel);
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/* Ports */
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extern int falcon_probe_port(struct efx_nic *efx);
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extern void falcon_remove_port(struct efx_nic *efx);
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/* MAC/PHY */
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extern int falcon_switch_mac(struct efx_nic *efx);
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extern bool falcon_xaui_link_ok(struct efx_nic *efx);
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@ -146,23 +142,15 @@ extern void falcon_enable_interrupts(struct efx_nic *efx);
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extern void falcon_generate_test_event(struct efx_channel *channel,
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unsigned int magic);
|
||||
extern void falcon_generate_interrupt(struct efx_nic *efx);
|
||||
extern void falcon_set_int_moderation(struct efx_channel *channel);
|
||||
extern void falcon_disable_interrupts(struct efx_nic *efx);
|
||||
extern void falcon_fini_interrupt(struct efx_nic *efx);
|
||||
|
||||
#define FALCON_IRQ_MOD_RESOLUTION 5
|
||||
|
||||
/* Global Resources */
|
||||
extern int falcon_probe_nic(struct efx_nic *efx);
|
||||
extern int falcon_init_nic(struct efx_nic *efx);
|
||||
extern int falcon_flush_queues(struct efx_nic *efx);
|
||||
extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
|
||||
extern void falcon_monitor(struct efx_nic *efx);
|
||||
extern void falcon_remove_nic(struct efx_nic *efx);
|
||||
extern void falcon_update_nic_stats(struct efx_nic *efx);
|
||||
extern void falcon_start_nic_stats(struct efx_nic *efx);
|
||||
extern void falcon_stop_nic_stats(struct efx_nic *efx);
|
||||
extern void falcon_push_multicast_hash(struct efx_nic *efx);
|
||||
extern int falcon_reset_xaui(struct efx_nic *efx);
|
||||
|
||||
/* Tests */
|
||||
|
|
|
|||
|
|
@ -843,6 +843,21 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
|
|||
|
||||
/**
|
||||
* struct efx_nic_type - Efx device type definition
|
||||
* @probe: Probe the controller
|
||||
* @remove: Free resources allocated by probe()
|
||||
* @init: Initialise the controller
|
||||
* @fini: Shut down the controller
|
||||
* @monitor: Periodic function for polling link state and hardware monitor
|
||||
* @reset: Reset the controller hardware and possibly the PHY. This will
|
||||
* be called while the controller is uninitialised.
|
||||
* @probe_port: Probe the MAC and PHY
|
||||
* @remove_port: Free resources allocated by probe_port()
|
||||
* @prepare_flush: Prepare the hardware for flushing the DMA queues
|
||||
* @update_stats: Update statistics not provided by event handling
|
||||
* @start_stats: Start the regular fetching of statistics
|
||||
* @stop_stats: Stop the regular fetching of statistics
|
||||
* @push_irq_moderation: Apply interrupt moderation value
|
||||
* @push_multicast_hash: Apply multicast hash table
|
||||
* @default_mac_ops: efx_mac_operations to set at startup
|
||||
* @revision: Hardware architecture revision
|
||||
* @mem_map_size: Memory BAR mapped size
|
||||
|
|
@ -861,6 +876,20 @@ static inline const char *efx_dev_name(struct efx_nic *efx)
|
|||
* @rx_dc_base: Base address in SRAM of RX queue descriptor caches
|
||||
*/
|
||||
struct efx_nic_type {
|
||||
int (*probe)(struct efx_nic *efx);
|
||||
void (*remove)(struct efx_nic *efx);
|
||||
int (*init)(struct efx_nic *efx);
|
||||
void (*fini)(struct efx_nic *efx);
|
||||
void (*monitor)(struct efx_nic *efx);
|
||||
int (*reset)(struct efx_nic *efx, enum reset_type method);
|
||||
int (*probe_port)(struct efx_nic *efx);
|
||||
void (*remove_port)(struct efx_nic *efx);
|
||||
void (*prepare_flush)(struct efx_nic *efx);
|
||||
void (*update_stats)(struct efx_nic *efx);
|
||||
void (*start_stats)(struct efx_nic *efx);
|
||||
void (*stop_stats)(struct efx_nic *efx);
|
||||
void (*push_irq_moderation)(struct efx_channel *channel);
|
||||
void (*push_multicast_hash)(struct efx_nic *efx);
|
||||
struct efx_mac_operations *default_mac_ops;
|
||||
|
||||
int revision;
|
||||
|
|
|
|||
|
|
@ -719,7 +719,7 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
|
|||
rc_test = rc;
|
||||
|
||||
/* reset the chip to recover from the register test */
|
||||
rc_reset = falcon_reset_hw(efx, reset_method);
|
||||
rc_reset = efx->type->reset(efx, reset_method);
|
||||
|
||||
/* Ensure that the phy is powered and out of loopback
|
||||
* for the bist and loopback tests */
|
||||
|
|
|
|||
Loading…
Reference in a new issue