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[PATCH] e1000: Fix mulitple queues

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Fixed stats when using multiple queues.
When multiple queues are enabled, log a message in syslog.
Fixed memory allocation for multiple queues.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Jeff Kirsher
2006-01-12 16:50:41 -08:00
committed by Jeff Garzik
parent f56799ea39
commit 7bfa48162d
3 changed files with 120 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
drivers/net/e1000/e1000_main.c
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@ -433,6 +433,12 @@ e1000_up(struct e1000_adapter *adapter)
return err;
}
#ifdef CONFIG_E1000_MQ
e1000_setup_queue_mapping(adapter);
#endif
adapter->tx_queue_len = netdev->tx_queue_len;
mod_timer(&adapter->watchdog_timer, jiffies);
#ifdef CONFIG_E1000_NAPI
@ -467,6 +473,7 @@ e1000_down(struct e1000_adapter *adapter)
#ifdef CONFIG_E1000_NAPI
netif_poll_disable(netdev);
#endif
netdev->tx_queue_len = adapter->tx_queue_len;
adapter->link_speed = 0;
adapter->link_duplex = 0;
netif_carrier_off(netdev);
@ -989,6 +996,15 @@ e1000_sw_init(struct e1000_adapter *adapter)
}
adapter->num_rx_queues = min(adapter->num_rx_queues, num_online_cpus());
adapter->num_tx_queues = min(adapter->num_tx_queues, num_online_cpus());
DPRINTK(DRV, INFO, "Multiqueue Enabled: Rx Queue count = %u %s\n",
adapter->num_rx_queues,
((adapter->num_rx_queues == 1)
? ((num_online_cpus() > 1)
? "(due to unsupported feature in current adapter)"
: "(due to unsupported system configuration)")
: ""));
DPRINTK(DRV, INFO, "Multiqueue Enabled: Tx Queue count = %u\n",
adapter->num_tx_queues);
#else
adapter->num_tx_queues = 1;
adapter->num_rx_queues = 1;
@ -1007,10 +1023,7 @@ e1000_sw_init(struct e1000_adapter *adapter)
dev_hold(&adapter->polling_netdev[i]);
set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
}
#endif
#ifdef CONFIG_E1000_MQ
e1000_setup_queue_mapping(adapter);
spin_lock_init(&adapter->tx_queue_lock);
#endif
atomic_set(&adapter->irq_sem, 1);
@ -1058,6 +1071,14 @@ e1000_alloc_queues(struct e1000_adapter *adapter)
memset(adapter->polling_netdev, 0, size);
#endif
#ifdef CONFIG_E1000_MQ
adapter->rx_sched_call_data.func = e1000_rx_schedule;
adapter->rx_sched_call_data.info = adapter->netdev;
adapter->cpu_netdev = alloc_percpu(struct net_device *);
adapter->cpu_tx_ring = alloc_percpu(struct e1000_tx_ring *);
#endif
return E1000_SUCCESS;
}
@ -1084,7 +1105,8 @@ e1000_setup_queue_mapping(struct e1000_adapter *adapter)
*/
if (i < adapter->num_rx_queues) {
*per_cpu_ptr(adapter->cpu_netdev, cpu) = &adapter->polling_netdev[i];
adapter->cpu_for_queue[i] = cpu;
adapter->rx_ring[i].cpu = cpu;
cpu_set(cpu, adapter->cpumask);
} else
*per_cpu_ptr(adapter->cpu_netdev, cpu) = NULL;
@ -3337,6 +3359,10 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
if(unlikely(++i == tx_ring->count)) i = 0;
}
#ifdef CONFIG_E1000_MQ
tx_ring->tx_stats.packets++;
#endif
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = E1000_TX_DESC(*tx_ring, eop);
}
@ -3365,6 +3391,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = E1000_TX_DESC(*tx_ring, eop);
DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
" Tx Queue <%lu>\n"
" TDH <%x>\n"
" TDT <%x>\n"
" next_to_use <%x>\n"
@ -3375,6 +3402,8 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
" next_to_watch <%x>\n"
" jiffies <%lx>\n"
" next_to_watch.status <%x>\n",
(unsigned long)((tx_ring - adapter->tx_ring) /
sizeof(struct e1000_tx_ring)),
readl(adapter->hw.hw_addr + tx_ring->tdh),
readl(adapter->hw.hw_addr + tx_ring->tdt),
tx_ring->next_to_use,
@ -3541,6 +3570,10 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
}
#endif /* CONFIG_E1000_NAPI */
netdev->last_rx = jiffies;
#ifdef CONFIG_E1000_MQ
rx_ring->rx_stats.packets++;
rx_ring->rx_stats.bytes += length;
#endif
next_desc:
rx_desc->status = 0;
@ -3671,6 +3704,10 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
}
#endif /* CONFIG_E1000_NAPI */
netdev->last_rx = jiffies;
#ifdef CONFIG_E1000_MQ
rx_ring->rx_stats.packets++;
rx_ring->rx_stats.bytes += length;
#endif
next_desc:
rx_desc->wb.middle.status_error &= ~0xFF;