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-rw-r--r--drivers/net/ethernet/intel/igbvf/Makefile2
-rw-r--r--drivers/net/ethernet/intel/igbvf/defines.h6
-rw-r--r--drivers/net/ethernet/intel/igbvf/ethtool.c21
-rw-r--r--drivers/net/ethernet/intel/igbvf/igbvf.h29
-rw-r--r--drivers/net/ethernet/intel/igbvf/mbx.c2
-rw-r--r--drivers/net/ethernet/intel/igbvf/mbx.h2
-rw-r--r--drivers/net/ethernet/intel/igbvf/netdev.c147
-rw-r--r--drivers/net/ethernet/intel/igbvf/regs.h2
-rw-r--r--drivers/net/ethernet/intel/igbvf/vf.c9
-rw-r--r--drivers/net/ethernet/intel/igbvf/vf.h2
10 files changed, 120 insertions, 102 deletions
diff --git a/drivers/net/ethernet/intel/igbvf/Makefile b/drivers/net/ethernet/intel/igbvf/Makefile
index 0fa3db3dd8b..044b0ad5fcb 100644
--- a/drivers/net/ethernet/intel/igbvf/Makefile
+++ b/drivers/net/ethernet/intel/igbvf/Makefile
@@ -1,7 +1,7 @@
################################################################################
#
# Intel(R) 82576 Virtual Function Linux driver
-# Copyright(c) 2009 - 2010 Intel Corporation.
+# Copyright(c) 2009 - 2012 Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/defines.h b/drivers/net/ethernet/intel/igbvf/defines.h
index 79f2604673f..3e18045d8f8 100644
--- a/drivers/net/ethernet/intel/igbvf/defines.h
+++ b/drivers/net/ethernet/intel/igbvf/defines.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 1999 - 2010 Intel Corporation.
+ Copyright(c) 1999 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -97,10 +97,6 @@
#define E1000_ERR_MAC_INIT 5
#define E1000_ERR_MBX 15
-#ifndef ETH_ADDR_LEN
-#define ETH_ADDR_LEN 6
-#endif
-
/* SRRCTL bit definitions */
#define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */
#define E1000_SRRCTL_BSIZEHDRSIZE_MASK 0x00000F00
diff --git a/drivers/net/ethernet/intel/igbvf/ethtool.c b/drivers/net/ethernet/intel/igbvf/ethtool.c
index 2dba5344606..8ce67064b9c 100644
--- a/drivers/net/ethernet/intel/igbvf/ethtool.c
+++ b/drivers/net/ethernet/intel/igbvf/ethtool.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 2009 - 2010 Intel Corporation.
+ Copyright(c) 2009 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -343,10 +343,10 @@ static int igbvf_get_coalesce(struct net_device *netdev,
{
struct igbvf_adapter *adapter = netdev_priv(netdev);
- if (adapter->itr_setting <= 3)
- ec->rx_coalesce_usecs = adapter->itr_setting;
+ if (adapter->requested_itr <= 3)
+ ec->rx_coalesce_usecs = adapter->requested_itr;
else
- ec->rx_coalesce_usecs = adapter->itr_setting >> 2;
+ ec->rx_coalesce_usecs = adapter->current_itr >> 2;
return 0;
}
@@ -365,15 +365,16 @@ static int igbvf_set_coalesce(struct net_device *netdev,
/* convert to rate of irq's per second */
if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3) {
- adapter->itr = IGBVF_START_ITR;
- adapter->itr_setting = ec->rx_coalesce_usecs;
+ adapter->current_itr = IGBVF_START_ITR;
+ adapter->requested_itr = ec->rx_coalesce_usecs;
} else {
- adapter->itr = ec->rx_coalesce_usecs << 2;
- adapter->itr_setting = adapter->itr;
+ adapter->current_itr = ec->rx_coalesce_usecs << 2;
+ adapter->requested_itr = 1000000000 /
+ (adapter->current_itr * 256);
}
- writel(adapter->itr,
- hw->hw_addr + adapter->rx_ring[0].itr_register);
+ writel(adapter->current_itr,
+ hw->hw_addr + adapter->rx_ring->itr_register);
return 0;
}
diff --git a/drivers/net/ethernet/intel/igbvf/igbvf.h b/drivers/net/ethernet/intel/igbvf/igbvf.h
index fd4a7b780fd..a895e2f7b34 100644
--- a/drivers/net/ethernet/intel/igbvf/igbvf.h
+++ b/drivers/net/ethernet/intel/igbvf/igbvf.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 2009 - 2010 Intel Corporation.
+ Copyright(c) 2009 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -43,7 +43,18 @@ struct igbvf_info;
struct igbvf_adapter;
/* Interrupt defines */
-#define IGBVF_START_ITR 648 /* ~6000 ints/sec */
+#define IGBVF_START_ITR 488 /* ~8000 ints/sec */
+#define IGBVF_4K_ITR 980
+#define IGBVF_20K_ITR 196
+#define IGBVF_70K_ITR 56
+
+enum latency_range {
+ lowest_latency = 0,
+ low_latency = 1,
+ bulk_latency = 2,
+ latency_invalid = 255
+};
+
/* Interrupt modes, as used by the IntMode parameter */
#define IGBVF_INT_MODE_LEGACY 0
@@ -155,6 +166,7 @@ struct igbvf_ring {
char name[IFNAMSIZ + 5];
u32 eims_value;
u32 itr_val;
+ enum latency_range itr_range;
u16 itr_register;
int set_itr;
@@ -187,10 +199,8 @@ struct igbvf_adapter {
unsigned long state;
/* Interrupt Throttle Rate */
- u32 itr;
- u32 itr_setting;
- u16 tx_itr;
- u16 rx_itr;
+ u32 requested_itr; /* ints/sec or adaptive */
+ u32 current_itr; /* Actual ITR register value, not ints/sec */
/*
* Tx
@@ -299,13 +309,6 @@ enum igbvf_state_t {
__IGBVF_DOWN
};
-enum latency_range {
- lowest_latency = 0,
- low_latency = 1,
- bulk_latency = 2,
- latency_invalid = 255
-};
-
extern char igbvf_driver_name[];
extern const char igbvf_driver_version[];
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.c b/drivers/net/ethernet/intel/igbvf/mbx.c
index 048aae248d0..b4b65bc9fc5 100644
--- a/drivers/net/ethernet/intel/igbvf/mbx.c
+++ b/drivers/net/ethernet/intel/igbvf/mbx.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 2009 - 2010 Intel Corporation.
+ Copyright(c) 2009 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.h b/drivers/net/ethernet/intel/igbvf/mbx.h
index c2883c45d47..24370bcb0e2 100644
--- a/drivers/net/ethernet/intel/igbvf/mbx.h
+++ b/drivers/net/ethernet/intel/igbvf/mbx.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 1999 - 2010 Intel Corporation.
+ Copyright(c) 1999 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index a4b20c86575..217c143686d 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 2009 - 2010 Intel Corporation.
+ Copyright(c) 2009 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -53,7 +53,7 @@ const char igbvf_driver_version[] = DRV_VERSION;
static const char igbvf_driver_string[] =
"Intel(R) Gigabit Virtual Function Network Driver";
static const char igbvf_copyright[] =
- "Copyright (c) 2009 - 2011 Intel Corporation.";
+ "Copyright (c) 2009 - 2012 Intel Corporation.";
static int igbvf_poll(struct napi_struct *napi, int budget);
static void igbvf_reset(struct igbvf_adapter *);
@@ -632,14 +632,13 @@ void igbvf_free_rx_resources(struct igbvf_ring *rx_ring)
* traffic pattern. Constants in this function were computed
* based on theoretical maximum wire speed and thresholds were set based
* on testing data as well as attempting to minimize response time
- * while increasing bulk throughput. This functionality is controlled
- * by the InterruptThrottleRate module parameter.
+ * while increasing bulk throughput.
**/
-static unsigned int igbvf_update_itr(struct igbvf_adapter *adapter,
- u16 itr_setting, int packets,
- int bytes)
+static enum latency_range igbvf_update_itr(struct igbvf_adapter *adapter,
+ enum latency_range itr_setting,
+ int packets, int bytes)
{
- unsigned int retval = itr_setting;
+ enum latency_range retval = itr_setting;
if (packets == 0)
goto update_itr_done;
@@ -675,65 +674,87 @@ static unsigned int igbvf_update_itr(struct igbvf_adapter *adapter,
retval = low_latency;
}
break;
+ default:
+ break;
}
update_itr_done:
return retval;
}
-static void igbvf_set_itr(struct igbvf_adapter *adapter)
+static int igbvf_range_to_itr(enum latency_range current_range)
{
- struct e1000_hw *hw = &adapter->hw;
- u16 current_itr;
- u32 new_itr = adapter->itr;
-
- adapter->tx_itr = igbvf_update_itr(adapter, adapter->tx_itr,
- adapter->total_tx_packets,
- adapter->total_tx_bytes);
- /* conservative mode (itr 3) eliminates the lowest_latency setting */
- if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
- adapter->tx_itr = low_latency;
-
- adapter->rx_itr = igbvf_update_itr(adapter, adapter->rx_itr,
- adapter->total_rx_packets,
- adapter->total_rx_bytes);
- /* conservative mode (itr 3) eliminates the lowest_latency setting */
- if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
- adapter->rx_itr = low_latency;
-
- current_itr = max(adapter->rx_itr, adapter->tx_itr);
+ int new_itr;
- switch (current_itr) {
+ switch (current_range) {
/* counts and packets in update_itr are dependent on these numbers */
case lowest_latency:
- new_itr = 70000;
+ new_itr = IGBVF_70K_ITR;
break;
case low_latency:
- new_itr = 20000; /* aka hwitr = ~200 */
+ new_itr = IGBVF_20K_ITR;
break;
case bulk_latency:
- new_itr = 4000;
+ new_itr = IGBVF_4K_ITR;
break;
default:
+ new_itr = IGBVF_START_ITR;
break;
}
+ return new_itr;
+}
+
+static void igbvf_set_itr(struct igbvf_adapter *adapter)
+{
+ u32 new_itr;
+
+ adapter->tx_ring->itr_range =
+ igbvf_update_itr(adapter,
+ adapter->tx_ring->itr_val,
+ adapter->total_tx_packets,
+ adapter->total_tx_bytes);
+
+ /* conservative mode (itr 3) eliminates the lowest_latency setting */
+ if (adapter->requested_itr == 3 &&
+ adapter->tx_ring->itr_range == lowest_latency)
+ adapter->tx_ring->itr_range = low_latency;
+
+ new_itr = igbvf_range_to_itr(adapter->tx_ring->itr_range);
+
- if (new_itr != adapter->itr) {
+ if (new_itr != adapter->tx_ring->itr_val) {
+ u32 current_itr = adapter->tx_ring->itr_val;
/*
* this attempts to bias the interrupt rate towards Bulk
* by adding intermediate steps when interrupt rate is
* increasing
*/
- new_itr = new_itr > adapter->itr ?
- min(adapter->itr + (new_itr >> 2), new_itr) :
- new_itr;
- adapter->itr = new_itr;
- adapter->rx_ring->itr_val = 1952;
-
- if (adapter->msix_entries)
- adapter->rx_ring->set_itr = 1;
- else
- ew32(ITR, 1952);
+ new_itr = new_itr > current_itr ?
+ min(current_itr + (new_itr >> 2), new_itr) :
+ new_itr;
+ adapter->tx_ring->itr_val = new_itr;
+
+ adapter->tx_ring->set_itr = 1;
+ }
+
+ adapter->rx_ring->itr_range =
+ igbvf_update_itr(adapter, adapter->rx_ring->itr_val,
+ adapter->total_rx_packets,
+ adapter->total_rx_bytes);
+ if (adapter->requested_itr == 3 &&
+ adapter->rx_ring->itr_range == lowest_latency)
+ adapter->rx_ring->itr_range = low_latency;
+
+ new_itr = igbvf_range_to_itr(adapter->rx_ring->itr_range);
+
+ if (new_itr != adapter->rx_ring->itr_val) {
+ u32 current_itr = adapter->rx_ring->itr_val;
+ new_itr = new_itr > current_itr ?
+ min(current_itr + (new_itr >> 2), new_itr) :
+ new_itr;
+ adapter->rx_ring->itr_val = new_itr;
+
+ adapter->rx_ring->set_itr = 1;
}
}
@@ -835,6 +856,11 @@ static irqreturn_t igbvf_intr_msix_tx(int irq, void *data)
struct e1000_hw *hw = &adapter->hw;
struct igbvf_ring *tx_ring = adapter->tx_ring;
+ if (tx_ring->set_itr) {
+ writel(tx_ring->itr_val,
+ adapter->hw.hw_addr + tx_ring->itr_register);
+ adapter->tx_ring->set_itr = 0;
+ }
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
@@ -937,19 +963,10 @@ static void igbvf_configure_msix(struct igbvf_adapter *adapter)
igbvf_assign_vector(adapter, IGBVF_NO_QUEUE, 0, vector++);
adapter->eims_enable_mask |= tx_ring->eims_value;
- if (tx_ring->itr_val)
- writel(tx_ring->itr_val,
- hw->hw_addr + tx_ring->itr_register);
- else
- writel(1952, hw->hw_addr + tx_ring->itr_register);
-
+ writel(tx_ring->itr_val, hw->hw_addr + tx_ring->itr_register);
igbvf_assign_vector(adapter, 0, IGBVF_NO_QUEUE, vector++);
adapter->eims_enable_mask |= rx_ring->eims_value;
- if (rx_ring->itr_val)
- writel(rx_ring->itr_val,
- hw->hw_addr + rx_ring->itr_register);
- else
- writel(1952, hw->hw_addr + rx_ring->itr_register);
+ writel(rx_ring->itr_val, hw->hw_addr + rx_ring->itr_register);
/* set vector for other causes, i.e. link changes */
@@ -1027,7 +1044,7 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter)
goto out;
adapter->tx_ring->itr_register = E1000_EITR(vector);
- adapter->tx_ring->itr_val = 1952;
+ adapter->tx_ring->itr_val = adapter->current_itr;
vector++;
err = request_irq(adapter->msix_entries[vector].vector,
@@ -1037,7 +1054,7 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter)
goto out;
adapter->rx_ring->itr_register = E1000_EITR(vector);
- adapter->rx_ring->itr_val = 1952;
+ adapter->rx_ring->itr_val = adapter->current_itr;
vector++;
err = request_irq(adapter->msix_entries[vector].vector,
@@ -1151,7 +1168,7 @@ static int igbvf_poll(struct napi_struct *napi, int budget)
if (work_done < budget) {
napi_complete(napi);
- if (adapter->itr_setting & 3)
+ if (adapter->requested_itr & 3)
igbvf_set_itr(adapter);
if (!test_bit(__IGBVF_DOWN, &adapter->state))
@@ -1521,8 +1538,8 @@ static int __devinit igbvf_sw_init(struct igbvf_adapter *adapter)
adapter->tx_abs_int_delay = 32;
adapter->rx_int_delay = 0;
adapter->rx_abs_int_delay = 8;
- adapter->itr_setting = 3;
- adapter->itr = 20000;
+ adapter->requested_itr = 3;
+ adapter->current_itr = IGBVF_START_ITR;
/* Set various function pointers */
adapter->ei->init_ops(&adapter->hw);
@@ -1695,6 +1712,7 @@ static int igbvf_set_mac(struct net_device *netdev, void *p)
return -EADDRNOTAVAIL;
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+ netdev->addr_assign_type &= ~NET_ADDR_RANDOM;
return 0;
}
@@ -2695,18 +2713,19 @@ static int __devinit igbvf_probe(struct pci_dev *pdev,
dev_info(&pdev->dev,
"PF still in reset state, assigning new address."
" Is the PF interface up?\n");
- dev_hw_addr_random(adapter->netdev, hw->mac.addr);
+ eth_hw_addr_random(netdev);
+ memcpy(adapter->hw.mac.addr, netdev->dev_addr,
+ netdev->addr_len);
} else {
err = hw->mac.ops.read_mac_addr(hw);
if (err) {
dev_err(&pdev->dev, "Error reading MAC address\n");
goto err_hw_init;
}
+ memcpy(netdev->dev_addr, adapter->hw.mac.addr,
+ netdev->addr_len);
}
- memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
- memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
-
if (!is_valid_ether_addr(netdev->perm_addr)) {
dev_err(&pdev->dev, "Invalid MAC Address: %pM\n",
netdev->dev_addr);
@@ -2714,6 +2733,8 @@ static int __devinit igbvf_probe(struct pci_dev *pdev,
goto err_hw_init;
}
+ memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
+
setup_timer(&adapter->watchdog_timer, &igbvf_watchdog,
(unsigned long) adapter);
diff --git a/drivers/net/ethernet/intel/igbvf/regs.h b/drivers/net/ethernet/intel/igbvf/regs.h
index 77e18d3d6b1..7dc6341715d 100644
--- a/drivers/net/ethernet/intel/igbvf/regs.h
+++ b/drivers/net/ethernet/intel/igbvf/regs.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 2009 - 2010 Intel Corporation.
+ Copyright(c) 2009 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c
index af3822f9ea9..30a6cc42603 100644
--- a/drivers/net/ethernet/intel/igbvf/vf.c
+++ b/drivers/net/ethernet/intel/igbvf/vf.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 2009 - 2010 Intel Corporation.
+ Copyright(c) 2009 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -246,7 +246,7 @@ static void e1000_update_mc_addr_list_vf(struct e1000_hw *hw,
for (i = 0; i < cnt; i++) {
hash_value = e1000_hash_mc_addr_vf(hw, mc_addr_list);
hash_list[i] = hash_value & 0x0FFFF;
- mc_addr_list += ETH_ADDR_LEN;
+ mc_addr_list += ETH_ALEN;
}
mbx->ops.write_posted(hw, msgbuf, E1000_VFMAILBOX_SIZE);
@@ -333,10 +333,7 @@ static void e1000_rar_set_vf(struct e1000_hw *hw, u8 * addr, u32 index)
**/
static s32 e1000_read_mac_addr_vf(struct e1000_hw *hw)
{
- int i;
-
- for (i = 0; i < ETH_ADDR_LEN; i++)
- hw->mac.addr[i] = hw->mac.perm_addr[i];
+ memcpy(hw->mac.addr, hw->mac.perm_addr, ETH_ALEN);
return E1000_SUCCESS;
}
diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h
index d7ed58fcd9b..57db3c68dfc 100644
--- a/drivers/net/ethernet/intel/igbvf/vf.h
+++ b/drivers/net/ethernet/intel/igbvf/vf.h
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) 82576 Virtual Function Linux driver
- Copyright(c) 2009 - 2010 Intel Corporation.
+ Copyright(c) 2009 - 2012 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-02 11:14:58 +0000