aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/e1000/e1000_ethtool.c8
-rw-r--r--drivers/net/e1000/e1000_main.c18
-rw-r--r--drivers/net/e1000/e1000_param.c10
-rw-r--r--drivers/net/e1000e/ethtool.c8
-rw-r--r--drivers/net/e1000e/netdev.c18
-rw-r--r--drivers/net/e1000e/param.c5
6 files changed, 57 insertions, 10 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index d6931cabe421..2a3b2dccd06d 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -1808,7 +1808,7 @@ static int e1000_get_coalesce(struct net_device *netdev,
1808 if (adapter->hw.mac_type < e1000_82545) 1808 if (adapter->hw.mac_type < e1000_82545)
1809 return -EOPNOTSUPP; 1809 return -EOPNOTSUPP;
1810 1810
1811 if (adapter->itr_setting <= 3) 1811 if (adapter->itr_setting <= 4)
1812 ec->rx_coalesce_usecs = adapter->itr_setting; 1812 ec->rx_coalesce_usecs = adapter->itr_setting;
1813 else 1813 else
1814 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; 1814 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
@@ -1826,12 +1826,14 @@ static int e1000_set_coalesce(struct net_device *netdev,
1826 return -EOPNOTSUPP; 1826 return -EOPNOTSUPP;
1827 1827
1828 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || 1828 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1829 ((ec->rx_coalesce_usecs > 3) && 1829 ((ec->rx_coalesce_usecs > 4) &&
1830 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || 1830 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1831 (ec->rx_coalesce_usecs == 2)) 1831 (ec->rx_coalesce_usecs == 2))
1832 return -EINVAL; 1832 return -EINVAL;
1833 1833
1834 if (ec->rx_coalesce_usecs <= 3) { 1834 if (ec->rx_coalesce_usecs == 4) {
1835 adapter->itr = adapter->itr_setting = 4;
1836 } else if (ec->rx_coalesce_usecs <= 3) {
1835 adapter->itr = 20000; 1837 adapter->itr = 20000;
1836 adapter->itr_setting = ec->rx_coalesce_usecs; 1838 adapter->itr_setting = ec->rx_coalesce_usecs;
1837 } else { 1839 } else {
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index e6ebc222459f..4dd2c23775cb 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -31,7 +31,7 @@
31 31
32char e1000_driver_name[] = "e1000"; 32char e1000_driver_name[] = "e1000";
33static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; 33static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
34#define DRV_VERSION "7.3.21-k5-NAPI" 34#define DRV_VERSION "7.3.21-k6-NAPI"
35const char e1000_driver_version[] = DRV_VERSION; 35const char e1000_driver_version[] = DRV_VERSION;
36static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation."; 36static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
37 37
@@ -2386,6 +2386,22 @@ link_up:
2386 } 2386 }
2387 } 2387 }
2388 2388
2389 /* Simple mode for Interrupt Throttle Rate (ITR) */
2390 if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
2391 /*
2392 * Symmetric Tx/Rx gets a reduced ITR=2000;
2393 * Total asymmetrical Tx or Rx gets ITR=8000;
2394 * everyone else is between 2000-8000.
2395 */
2396 u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
2397 u32 dif = (adapter->gotcl > adapter->gorcl ?
2398 adapter->gotcl - adapter->gorcl :
2399 adapter->gorcl - adapter->gotcl) / 10000;
2400 u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
2401
2402 ew32(ITR, 1000000000 / (itr * 256));
2403 }
2404
2389 /* Cause software interrupt to ensure rx ring is cleaned */ 2405 /* Cause software interrupt to ensure rx ring is cleaned */
2390 ew32(ICS, E1000_ICS_RXDMT0); 2406 ew32(ICS, E1000_ICS_RXDMT0);
2391 2407
diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c
index 543c6d1767bc..9fbb562dc964 100644
--- a/drivers/net/e1000/e1000_param.c
+++ b/drivers/net/e1000/e1000_param.c
@@ -484,11 +484,17 @@ void __devinit e1000_check_options(struct e1000_adapter *adapter)
484 adapter->itr_setting = adapter->itr; 484 adapter->itr_setting = adapter->itr;
485 adapter->itr = 20000; 485 adapter->itr = 20000;
486 break; 486 break;
487 case 4:
488 e_dev_info("%s set to simplified "
489 "(2000-8000) ints mode\n", opt.name);
490 adapter->itr_setting = adapter->itr;
491 break;
487 default: 492 default:
488 e1000_validate_option(&adapter->itr, &opt, 493 e1000_validate_option(&adapter->itr, &opt,
489 adapter); 494 adapter);
490 /* save the setting, because the dynamic bits change itr */ 495 /* save the setting, because the dynamic bits
491 /* clear the lower two bits because they are 496 * change itr.
497 * clear the lower two bits because they are
492 * used as control */ 498 * used as control */
493 adapter->itr_setting = adapter->itr & ~3; 499 adapter->itr_setting = adapter->itr & ~3;
494 break; 500 break;
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index b72c1c0876fc..6ff376cfe139 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1890,7 +1890,7 @@ static int e1000_get_coalesce(struct net_device *netdev,
1890{ 1890{
1891 struct e1000_adapter *adapter = netdev_priv(netdev); 1891 struct e1000_adapter *adapter = netdev_priv(netdev);
1892 1892
1893 if (adapter->itr_setting <= 3) 1893 if (adapter->itr_setting <= 4)
1894 ec->rx_coalesce_usecs = adapter->itr_setting; 1894 ec->rx_coalesce_usecs = adapter->itr_setting;
1895 else 1895 else
1896 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; 1896 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
@@ -1905,12 +1905,14 @@ static int e1000_set_coalesce(struct net_device *netdev,
1905 struct e1000_hw *hw = &adapter->hw; 1905 struct e1000_hw *hw = &adapter->hw;
1906 1906
1907 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) || 1907 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1908 ((ec->rx_coalesce_usecs > 3) && 1908 ((ec->rx_coalesce_usecs > 4) &&
1909 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) || 1909 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1910 (ec->rx_coalesce_usecs == 2)) 1910 (ec->rx_coalesce_usecs == 2))
1911 return -EINVAL; 1911 return -EINVAL;
1912 1912
1913 if (ec->rx_coalesce_usecs <= 3) { 1913 if (ec->rx_coalesce_usecs == 4) {
1914 adapter->itr = adapter->itr_setting = 4;
1915 } else if (ec->rx_coalesce_usecs <= 3) {
1914 adapter->itr = 20000; 1916 adapter->itr = 20000;
1915 adapter->itr_setting = ec->rx_coalesce_usecs; 1917 adapter->itr_setting = ec->rx_coalesce_usecs;
1916 } else { 1918 } else {
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 478c34a47d18..c5f65a29865a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -52,7 +52,7 @@
52 52
53#include "e1000.h" 53#include "e1000.h"
54 54
55#define DRV_VERSION "1.0.2-k2" 55#define DRV_VERSION "1.0.2-k4"
56char e1000e_driver_name[] = "e1000e"; 56char e1000e_driver_name[] = "e1000e";
57const char e1000e_driver_version[] = DRV_VERSION; 57const char e1000e_driver_version[] = DRV_VERSION;
58 58
@@ -4070,6 +4070,22 @@ link_up:
4070 } 4070 }
4071 } 4071 }
4072 4072
4073 /* Simple mode for Interrupt Throttle Rate (ITR) */
4074 if (adapter->itr_setting == 4) {
4075 /*
4076 * Symmetric Tx/Rx gets a reduced ITR=2000;
4077 * Total asymmetrical Tx or Rx gets ITR=8000;
4078 * everyone else is between 2000-8000.
4079 */
4080 u32 goc = (adapter->gotc + adapter->gorc) / 10000;
4081 u32 dif = (adapter->gotc > adapter->gorc ?
4082 adapter->gotc - adapter->gorc :
4083 adapter->gorc - adapter->gotc) / 10000;
4084 u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
4085
4086 ew32(ITR, 1000000000 / (itr * 256));
4087 }
4088
4073 /* Cause software interrupt to ensure Rx ring is cleaned */ 4089 /* Cause software interrupt to ensure Rx ring is cleaned */
4074 if (adapter->msix_entries) 4090 if (adapter->msix_entries)
4075 ew32(ICS, adapter->rx_ring->ims_val); 4091 ew32(ICS, adapter->rx_ring->ims_val);
diff --git a/drivers/net/e1000e/param.c b/drivers/net/e1000e/param.c
index f775a481063d..0f4077c3d538 100644
--- a/drivers/net/e1000e/param.c
+++ b/drivers/net/e1000e/param.c
@@ -351,6 +351,11 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
351 adapter->itr_setting = adapter->itr; 351 adapter->itr_setting = adapter->itr;
352 adapter->itr = 20000; 352 adapter->itr = 20000;
353 break; 353 break;
354 case 4:
355 e_info("%s set to simplified (2000-8000 ints) "
356 "mode\n", opt.name);
357 adapter->itr_setting = 4;
358 break;
354 default: 359 default:
355 /* 360 /*
356 * Save the setting, because the dynamic bits 361 * Save the setting, because the dynamic bits
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-05 02:57:35 -0500