summaryrefslogtreecommitdiffstats
path: root/drivers/net/igb/igb_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r--drivers/net/igb/igb_main.c221
1 files changed, 124 insertions, 97 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 0dfd1b93829..dc599059512 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel(R) Gigabit Ethernet Linux driver
- Copyright(c) 2007-2009 Intel Corporation.
+ Copyright(c) 2007-2011 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,
@@ -28,6 +28,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/init.h>
+#include <linux/bitops.h>
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
#include <linux/netdevice.h>
@@ -45,6 +46,7 @@
#include <linux/interrupt.h>
#include <linux/if_ether.h>
#include <linux/aer.h>
+#include <linux/prefetch.h>
#ifdef CONFIG_IGB_DCA
#include <linux/dca.h>
#endif
@@ -53,9 +55,8 @@
#define MAJ 3
#define MIN 0
#define BUILD 6
-#define KFIX 2
#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
-__stringify(BUILD) "-k" __stringify(KFIX)
+__stringify(BUILD) "-k"
char igb_driver_name[] = "igb";
char igb_driver_version[] = DRV_VERSION;
static const char igb_driver_string[] =
@@ -140,7 +141,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *, int *, int);
static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
static void igb_tx_timeout(struct net_device *);
static void igb_reset_task(struct work_struct *);
-static void igb_vlan_rx_register(struct net_device *, struct vlan_group *);
+static void igb_vlan_mode(struct net_device *netdev, u32 features);
static void igb_vlan_rx_add_vid(struct net_device *, u16);
static void igb_vlan_rx_kill_vid(struct net_device *, u16);
static void igb_restore_vlan(struct igb_adapter *);
@@ -1362,7 +1363,7 @@ static void igb_update_mng_vlan(struct igb_adapter *adapter)
if ((old_vid != (u16)IGB_MNG_VLAN_NONE) &&
(vid != old_vid) &&
- !vlan_group_get_device(adapter->vlgrp, old_vid)) {
+ !test_bit(old_vid, adapter->active_vlans)) {
/* remove VID from filter table */
igb_vfta_set(hw, old_vid, false);
}
@@ -1748,6 +1749,39 @@ void igb_reset(struct igb_adapter *adapter)
igb_get_phy_info(hw);
}
+static u32 igb_fix_features(struct net_device *netdev, u32 features)
+{
+ /*
+ * Since there is no support for separate rx/tx vlan accel
+ * enable/disable make sure tx flag is always in same state as rx.
+ */
+ if (features & NETIF_F_HW_VLAN_RX)
+ features |= NETIF_F_HW_VLAN_TX;
+ else
+ features &= ~NETIF_F_HW_VLAN_TX;
+
+ return features;
+}
+
+static int igb_set_features(struct net_device *netdev, u32 features)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ int i;
+ u32 changed = netdev->features ^ features;
+
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ if (features & NETIF_F_RXCSUM)
+ adapter->rx_ring[i]->flags |= IGB_RING_FLAG_RX_CSUM;
+ else
+ adapter->rx_ring[i]->flags &= ~IGB_RING_FLAG_RX_CSUM;
+ }
+
+ if (changed & NETIF_F_HW_VLAN_RX)
+ igb_vlan_mode(netdev, features);
+
+ return 0;
+}
+
static const struct net_device_ops igb_netdev_ops = {
.ndo_open = igb_open,
.ndo_stop = igb_close,
@@ -1760,7 +1794,6 @@ static const struct net_device_ops igb_netdev_ops = {
.ndo_do_ioctl = igb_ioctl,
.ndo_tx_timeout = igb_tx_timeout,
.ndo_validate_addr = eth_validate_addr,
- .ndo_vlan_rx_register = igb_vlan_rx_register,
.ndo_vlan_rx_add_vid = igb_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = igb_vlan_rx_kill_vid,
.ndo_set_vf_mac = igb_ndo_set_vf_mac,
@@ -1770,6 +1803,8 @@ static const struct net_device_ops igb_netdev_ops = {
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = igb_netpoll,
#endif
+ .ndo_fix_features = igb_fix_features,
+ .ndo_set_features = igb_set_features,
};
/**
@@ -1909,17 +1944,18 @@ static int __devinit igb_probe(struct pci_dev *pdev,
dev_info(&pdev->dev,
"PHY reset is blocked due to SOL/IDER session.\n");
- netdev->features = NETIF_F_SG |
+ netdev->hw_features = NETIF_F_SG |
NETIF_F_IP_CSUM |
+ NETIF_F_IPV6_CSUM |
+ NETIF_F_TSO |
+ NETIF_F_TSO6 |
+ NETIF_F_RXCSUM |
+ NETIF_F_HW_VLAN_RX;
+
+ netdev->features = netdev->hw_features |
NETIF_F_HW_VLAN_TX |
- NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER;
- netdev->features |= NETIF_F_IPV6_CSUM;
- netdev->features |= NETIF_F_TSO;
- netdev->features |= NETIF_F_TSO6;
- netdev->features |= NETIF_F_GRO;
-
netdev->vlan_features |= NETIF_F_TSO;
netdev->vlan_features |= NETIF_F_TSO6;
netdev->vlan_features |= NETIF_F_IP_CSUM;
@@ -1931,8 +1967,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
netdev->vlan_features |= NETIF_F_HIGHDMA;
}
- if (hw->mac.type >= e1000_82576)
+ if (hw->mac.type >= e1000_82576) {
+ netdev->hw_features |= NETIF_F_SCTP_CSUM;
netdev->features |= NETIF_F_SCTP_CSUM;
+ }
adapter->en_mng_pt = igb_enable_mng_pass_thru(hw);
@@ -2038,6 +2076,8 @@ static int __devinit igb_probe(struct pci_dev *pdev,
if (err)
goto err_register;
+ igb_vlan_mode(netdev, netdev->features);
+
/* carrier off reporting is important to ethtool even BEFORE open */
netif_carrier_off(netdev);
@@ -2372,6 +2412,9 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter)
}
#endif /* CONFIG_PCI_IOV */
adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus());
+ /* i350 cannot do RSS and SR-IOV at the same time */
+ if (hw->mac.type == e1000_i350 && adapter->vfs_allocated_count)
+ adapter->rss_queues = 1;
/*
* if rss_queues > 4 or vfs are going to be allocated with rss_queues
@@ -2917,12 +2960,11 @@ static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
**/
static void igb_rlpml_set(struct igb_adapter *adapter)
{
- u32 max_frame_size = adapter->max_frame_size;
+ u32 max_frame_size;
struct e1000_hw *hw = &adapter->hw;
u16 pf_id = adapter->vfs_allocated_count;
- if (adapter->vlgrp)
- max_frame_size += VLAN_TAG_SIZE;
+ max_frame_size = adapter->max_frame_size + VLAN_TAG_SIZE;
/* if vfs are enabled we set RLPML to the largest possible request
* size and set the VMOLR RLPML to the size we need */
@@ -3532,6 +3574,25 @@ bool igb_has_link(struct igb_adapter *adapter)
return link_active;
}
+static bool igb_thermal_sensor_event(struct e1000_hw *hw, u32 event)
+{
+ bool ret = false;
+ u32 ctrl_ext, thstat;
+
+ /* check for thermal sensor event on i350, copper only */
+ if (hw->mac.type == e1000_i350) {
+ thstat = rd32(E1000_THSTAT);
+ ctrl_ext = rd32(E1000_CTRL_EXT);
+
+ if ((hw->phy.media_type == e1000_media_type_copper) &&
+ !(ctrl_ext & E1000_CTRL_EXT_LINK_MODE_SGMII)) {
+ ret = !!(thstat & event);
+ }
+ }
+
+ return ret;
+}
+
/**
* igb_watchdog - Timer Call-back
* @data: pointer to adapter cast into an unsigned long
@@ -3550,7 +3611,7 @@ static void igb_watchdog_task(struct work_struct *work)
watchdog_task);
struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
- u32 link, ctrl_ext, thstat;
+ u32 link;
int i;
link = igb_has_link(adapter);
@@ -3574,25 +3635,14 @@ static void igb_watchdog_task(struct work_struct *work)
((ctrl & E1000_CTRL_RFCE) ? "RX" :
((ctrl & E1000_CTRL_TFCE) ? "TX" : "None")));
- /* check for thermal sensor event on i350,
- * copper only */
- if (hw->mac.type == e1000_i350) {
- thstat = rd32(E1000_THSTAT);
- ctrl_ext = rd32(E1000_CTRL_EXT);
- if ((hw->phy.media_type ==
- e1000_media_type_copper) && !(ctrl_ext &
- E1000_CTRL_EXT_LINK_MODE_SGMII)) {
- if (thstat &
- E1000_THSTAT_LINK_THROTTLE) {
- printk(KERN_INFO "igb: %s The "
- "network adapter link "
- "speed was downshifted "
- "because it "
- "overheated.\n",
- netdev->name);
- }
- }
+ /* check for thermal sensor event */
+ if (igb_thermal_sensor_event(hw, E1000_THSTAT_LINK_THROTTLE)) {
+ printk(KERN_INFO "igb: %s The network adapter "
+ "link speed was downshifted "
+ "because it overheated.\n",
+ netdev->name);
}
+
/* adjust timeout factor according to speed/duplex */
adapter->tx_timeout_factor = 1;
switch (adapter->link_speed) {
@@ -3618,22 +3668,15 @@ static void igb_watchdog_task(struct work_struct *work)
if (netif_carrier_ok(netdev)) {
adapter->link_speed = 0;
adapter->link_duplex = 0;
- /* check for thermal sensor event on i350
- * copper only*/
- if (hw->mac.type == e1000_i350) {
- thstat = rd32(E1000_THSTAT);
- ctrl_ext = rd32(E1000_CTRL_EXT);
- if ((hw->phy.media_type ==
- e1000_media_type_copper) && !(ctrl_ext &
- E1000_CTRL_EXT_LINK_MODE_SGMII)) {
- if (thstat & E1000_THSTAT_PWR_DOWN) {
- printk(KERN_ERR "igb: %s The "
- "network adapter was stopped "
- "because it overheated.\n",
+
+ /* check for thermal sensor event */
+ if (igb_thermal_sensor_event(hw, E1000_THSTAT_PWR_DOWN)) {
+ printk(KERN_ERR "igb: %s The network adapter "
+ "was stopped because it "
+ "overheated.\n",
netdev->name);
- }
- }
}
+
/* Links status message must follow this format */
printk(KERN_INFO "igb: %s NIC Link is Down\n",
netdev->name);
@@ -5670,25 +5713,6 @@ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)
return count < tx_ring->count;
}
-/**
- * igb_receive_skb - helper function to handle rx indications
- * @q_vector: structure containing interrupt and ring information
- * @skb: packet to send up
- * @vlan_tag: vlan tag for packet
- **/
-static void igb_receive_skb(struct igb_q_vector *q_vector,
- struct sk_buff *skb,
- u16 vlan_tag)
-{
- struct igb_adapter *adapter = q_vector->adapter;
-
- if (vlan_tag && adapter->vlgrp)
- vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
- vlan_tag, skb);
- else
- napi_gro_receive(&q_vector->napi, skb);
-}
-
static inline void igb_rx_checksum_adv(struct igb_ring *ring,
u32 status_err, struct sk_buff *skb)
{
@@ -5786,7 +5810,6 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector,
unsigned int i;
u32 staterr;
u16 length;
- u16 vlan_tag;
i = rx_ring->next_to_clean;
buffer_info = &rx_ring->buffer_info[i];
@@ -5871,10 +5894,12 @@ send_up:
skb->protocol = eth_type_trans(skb, netdev);
skb_record_rx_queue(skb, rx_ring->queue_index);
- vlan_tag = ((staterr & E1000_RXD_STAT_VP) ?
- le16_to_cpu(rx_desc->wb.upper.vlan) : 0);
+ if (staterr & E1000_RXD_STAT_VP) {
+ u16 vid = le16_to_cpu(rx_desc->wb.upper.vlan);
- igb_receive_skb(q_vector, skb, vlan_tag);
+ __vlan_hwaccel_put_tag(skb, vid);
+ }
+ napi_gro_receive(&q_vector->napi, skb);
next_desc:
rx_desc->wb.upper.status_error = 0;
@@ -6244,7 +6269,7 @@ s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
struct igb_adapter *adapter = hw->back;
u16 cap_offset;
- cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
+ cap_offset = adapter->pdev->pcie_cap;
if (!cap_offset)
return -E1000_ERR_CONFIG;
@@ -6258,7 +6283,7 @@ s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
struct igb_adapter *adapter = hw->back;
u16 cap_offset;
- cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
+ cap_offset = adapter->pdev->pcie_cap;
if (!cap_offset)
return -E1000_ERR_CONFIG;
@@ -6267,17 +6292,15 @@ s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
return 0;
}
-static void igb_vlan_rx_register(struct net_device *netdev,
- struct vlan_group *grp)
+static void igb_vlan_mode(struct net_device *netdev, u32 features)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u32 ctrl, rctl;
igb_irq_disable(adapter);
- adapter->vlgrp = grp;
- if (grp) {
+ if (features & NETIF_F_HW_VLAN_RX) {
/* enable VLAN tag insert/strip */
ctrl = rd32(E1000_CTRL);
ctrl |= E1000_CTRL_VME;
@@ -6311,6 +6334,8 @@ static void igb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
/* add the filter since PF can receive vlans w/o entry in vlvf */
igb_vfta_set(hw, vid, true);
+
+ set_bit(vid, adapter->active_vlans);
}
static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
@@ -6321,7 +6346,6 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
s32 err;
igb_irq_disable(adapter);
- vlan_group_set_device(adapter->vlgrp, vid, NULL);
if (!test_bit(__IGB_DOWN, &adapter->state))
igb_irq_enable(adapter);
@@ -6332,37 +6356,37 @@ static void igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
/* if vid was not present in VLVF just remove it from table */
if (err)
igb_vfta_set(hw, vid, false);
+
+ clear_bit(vid, adapter->active_vlans);
}
static void igb_restore_vlan(struct igb_adapter *adapter)
{
- igb_vlan_rx_register(adapter->netdev, adapter->vlgrp);
+ u16 vid;
- if (adapter->vlgrp) {
- u16 vid;
- for (vid = 0; vid < VLAN_N_VID; vid++) {
- if (!vlan_group_get_device(adapter->vlgrp, vid))
- continue;
- igb_vlan_rx_add_vid(adapter->netdev, vid);
- }
- }
+ for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
+ igb_vlan_rx_add_vid(adapter->netdev, vid);
}
-int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx)
+int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx)
{
struct pci_dev *pdev = adapter->pdev;
struct e1000_mac_info *mac = &adapter->hw.mac;
mac->autoneg = 0;
+ /* Make sure dplx is at most 1 bit and lsb of speed is not set
+ * for the switch() below to work */
+ if ((spd & 1) || (dplx & ~1))
+ goto err_inval;
+
/* Fiber NIC's only allow 1000 Gbps Full duplex */
if ((adapter->hw.phy.media_type == e1000_media_type_internal_serdes) &&
- spddplx != (SPEED_1000 + DUPLEX_FULL)) {
- dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
- return -EINVAL;
- }
+ spd != SPEED_1000 &&
+ dplx != DUPLEX_FULL)
+ goto err_inval;
- switch (spddplx) {
+ switch (spd + dplx) {
case SPEED_10 + DUPLEX_HALF:
mac->forced_speed_duplex = ADVERTISE_10_HALF;
break;
@@ -6381,10 +6405,13 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx)
break;
case SPEED_1000 + DUPLEX_HALF: /* not supported */
default:
- dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
- return -EINVAL;
+ goto err_inval;
}
return 0;
+
+err_inval:
+ dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
+ return -EINVAL;
}
static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-30 11:14:44 +0000