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path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c179
1 files changed, 105 insertions, 74 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 79f4a26ea6cc..d30fbdd81fca 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -63,7 +63,7 @@ char ixgbe_default_device_descr[] =
static char ixgbe_default_device_descr[] =
"Intel(R) 10 Gigabit Network Connection";
#endif
-#define DRV_VERSION "3.11.33-k"
+#define DRV_VERSION "3.13.10-k"
const char ixgbe_driver_version[] = DRV_VERSION;
static const char ixgbe_copyright[] =
"Copyright (c) 1999-2013 Intel Corporation.";
@@ -149,6 +149,52 @@ MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+static int ixgbe_read_pci_cfg_word_parent(struct ixgbe_adapter *adapter,
+ u32 reg, u16 *value)
+{
+ int pos = 0;
+ struct pci_dev *parent_dev;
+ struct pci_bus *parent_bus;
+
+ parent_bus = adapter->pdev->bus->parent;
+ if (!parent_bus)
+ return -1;
+
+ parent_dev = parent_bus->self;
+ if (!parent_dev)
+ return -1;
+
+ pos = pci_find_capability(parent_dev, PCI_CAP_ID_EXP);
+ if (!pos)
+ return -1;
+
+ pci_read_config_word(parent_dev, pos + reg, value);
+ return 0;
+}
+
+static s32 ixgbe_get_parent_bus_info(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u16 link_status = 0;
+ int err;
+
+ hw->bus.type = ixgbe_bus_type_pci_express;
+
+ /* Get the negotiated link width and speed from PCI config space of the
+ * parent, as this device is behind a switch
+ */
+ err = ixgbe_read_pci_cfg_word_parent(adapter, 18, &link_status);
+
+ /* assume caller will handle error case */
+ if (err)
+ return err;
+
+ hw->bus.width = ixgbe_convert_bus_width(link_status);
+ hw->bus.speed = ixgbe_convert_bus_speed(link_status);
+
+ return 0;
+}
+
static void ixgbe_service_event_schedule(struct ixgbe_adapter *adapter)
{
if (!test_bit(__IXGBE_DOWN, &adapter->state) &&
@@ -1337,7 +1383,7 @@ static unsigned int ixgbe_get_headlen(unsigned char *data,
return hdr.network - data;
/* record next protocol if header is present */
- if (!hdr.ipv4->frag_off)
+ if (!(hdr.ipv4->frag_off & htons(IP_OFFSET)))
nexthdr = hdr.ipv4->protocol;
} else if (protocol == __constant_htons(ETH_P_IPV6)) {
if ((hdr.network - data) > (max_len - sizeof(struct ipv6hdr)))
@@ -1442,10 +1488,10 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring,
ixgbe_ptp_rx_hwtstamp(rx_ring, rx_desc, skb);
- if ((dev->features & NETIF_F_HW_VLAN_RX) &&
+ if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) {
u16 vid = le16_to_cpu(rx_desc->wb.upper.vlan);
- __vlan_hwaccel_put_tag(skb, vid);
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
}
skb_record_rx_queue(skb, rx_ring->queue_index);
@@ -2049,6 +2095,9 @@ static void ixgbe_update_itr(struct ixgbe_q_vector *q_vector,
*/
/* what was last interrupt timeslice? */
timepassed_us = q_vector->itr >> 2;
+ if (timepassed_us == 0)
+ return;
+
bytes_perint = bytes / timepassed_us; /* bytes/usec */
switch (itr_setting) {
@@ -2405,6 +2454,16 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data)
* with the write to EICR.
*/
eicr = IXGBE_READ_REG(hw, IXGBE_EICS);
+
+ /* The lower 16bits of the EICR register are for the queue interrupts
+ * which should be masked here in order to not accidently clear them if
+ * the bits are high when ixgbe_msix_other is called. There is a race
+ * condition otherwise which results in possible performance loss
+ * especially if the ixgbe_msix_other interrupt is triggering
+ * consistently (as it would when PPS is turned on for the X540 device)
+ */
+ eicr &= 0xFFFF0000;
+
IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr);
if (eicr & IXGBE_EICR_LSC)
@@ -3421,7 +3480,8 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
hw->mac.ops.enable_rx_dma(hw, rxctrl);
}
-static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int ixgbe_vlan_rx_add_vid(struct net_device *netdev,
+ __be16 proto, u16 vid)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
@@ -3433,7 +3493,8 @@ static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
return 0;
}
-static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev,
+ __be16 proto, u16 vid)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
@@ -3538,10 +3599,10 @@ static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter)
{
u16 vid;
- ixgbe_vlan_rx_add_vid(adapter->netdev, 0);
+ ixgbe_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), 0);
for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
- ixgbe_vlan_rx_add_vid(adapter->netdev, vid);
+ ixgbe_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
}
/**
@@ -3676,7 +3737,7 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
- if (netdev->features & NETIF_F_HW_VLAN_RX)
+ if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
ixgbe_vlan_strip_enable(adapter);
else
ixgbe_vlan_strip_disable(adapter);
@@ -5077,14 +5138,14 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
netif_device_detach(netdev);
+ rtnl_lock();
if (netif_running(netdev)) {
- rtnl_lock();
ixgbe_down(adapter);
ixgbe_free_irq(adapter);
ixgbe_free_all_tx_resources(adapter);
ixgbe_free_all_rx_resources(adapter);
- rtnl_unlock();
}
+ rtnl_unlock();
ixgbe_clear_interrupt_scheme(adapter);
@@ -6425,9 +6486,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
struct ixgbe_tx_buffer *first;
int tso;
u32 tx_flags = 0;
-#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD
unsigned short f;
-#endif
u16 count = TXD_USE_COUNT(skb_headlen(skb));
__be16 protocol = skb->protocol;
u8 hdr_len = 0;
@@ -6439,12 +6498,9 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
* + 1 desc for context descriptor,
* otherwise try next time
*/
-#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD
for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size);
-#else
- count += skb_shinfo(skb)->nr_frags;
-#endif
+
if (ixgbe_maybe_stop_tx(tx_ring, count + 3)) {
tx_ring->tx_stats.tx_busy++;
return NETDEV_TX_BUSY;
@@ -6983,7 +7039,7 @@ static int ixgbe_set_features(struct net_device *netdev,
break;
}
- if (features & NETIF_F_HW_VLAN_RX)
+ if (features & NETIF_F_HW_VLAN_CTAG_RX)
ixgbe_vlan_strip_enable(adapter);
else
ixgbe_vlan_strip_disable(adapter);
@@ -7007,7 +7063,7 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
int err;
if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
- return -EOPNOTSUPP;
+ return ndo_dflt_fdb_add(ndm, tb, dev, addr, flags);
/* Hardware does not support aging addresses so if a
* ndm_state is given only allow permanent addresses
@@ -7038,44 +7094,6 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
return err;
}
-static int ixgbe_ndo_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
- struct net_device *dev,
- const unsigned char *addr)
-{
- struct ixgbe_adapter *adapter = netdev_priv(dev);
- int err = -EOPNOTSUPP;
-
- if (ndm->ndm_state & NUD_PERMANENT) {
- pr_info("%s: FDB only supports static addresses\n",
- ixgbe_driver_name);
- return -EINVAL;
- }
-
- if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
- if (is_unicast_ether_addr(addr))
- err = dev_uc_del(dev, addr);
- else if (is_multicast_ether_addr(addr))
- err = dev_mc_del(dev, addr);
- else
- err = -EINVAL;
- }
-
- return err;
-}
-
-static int ixgbe_ndo_fdb_dump(struct sk_buff *skb,
- struct netlink_callback *cb,
- struct net_device *dev,
- int idx)
-{
- struct ixgbe_adapter *adapter = netdev_priv(dev);
-
- if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
- idx = ndo_dflt_fdb_dump(skb, cb, dev, idx);
-
- return idx;
-}
-
static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh)
{
@@ -7171,8 +7189,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_set_features = ixgbe_set_features,
.ndo_fix_features = ixgbe_fix_features,
.ndo_fdb_add = ixgbe_ndo_fdb_add,
- .ndo_fdb_del = ixgbe_ndo_fdb_del,
- .ndo_fdb_dump = ixgbe_ndo_fdb_dump,
.ndo_bridge_setlink = ixgbe_ndo_bridge_setlink,
.ndo_bridge_getlink = ixgbe_ndo_bridge_getlink,
};
@@ -7202,9 +7218,19 @@ int ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id,
/* only support first port */
if (hw->bus.func != 0)
break;
+ case IXGBE_SUBDEV_ID_82599_SP_560FLR:
case IXGBE_SUBDEV_ID_82599_SFP:
case IXGBE_SUBDEV_ID_82599_RNDC:
case IXGBE_SUBDEV_ID_82599_ECNA_DP:
+ case IXGBE_SUBDEV_ID_82599_LOM_SFP:
+ is_wol_supported = 1;
+ break;
+ }
+ break;
+ case IXGBE_DEV_ID_82599EN_SFP:
+ /* Only this subdevice supports WOL */
+ switch (subdevice_id) {
+ case IXGBE_SUBDEV_ID_82599EN_SFP_OCP1:
is_wol_supported = 1;
break;
}
@@ -7369,6 +7395,10 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
goto err_sw_init;
+ /* Cache if MNG FW is up so we don't have to read the REG later */
+ if (hw->mac.ops.mng_fw_enabled)
+ hw->mng_fw_enabled = hw->mac.ops.mng_fw_enabled(hw);
+
/* Make it possible the adapter to be woken up via WOL */
switch (adapter->hw.mac.type) {
case ixgbe_mac_82599EB:
@@ -7425,9 +7455,9 @@ skip_sriov:
netdev->features = NETIF_F_SG |
NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM |
- NETIF_F_HW_VLAN_TX |
- NETIF_F_HW_VLAN_RX |
- NETIF_F_HW_VLAN_FILTER |
+ NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_HW_VLAN_CTAG_FILTER |
NETIF_F_TSO |
NETIF_F_TSO6 |
NETIF_F_RXHASH |
@@ -7521,7 +7551,9 @@ skip_sriov:
/* WOL not supported for all devices */
adapter->wol = 0;
hw->eeprom.ops.read(hw, 0x2c, &adapter->eeprom_cap);
- if (ixgbe_wol_supported(adapter, pdev->device, pdev->subsystem_device))
+ hw->wol_enabled = ixgbe_wol_supported(adapter, pdev->device,
+ pdev->subsystem_device);
+ if (hw->wol_enabled)
adapter->wol = IXGBE_WUFC_MAG;
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
@@ -7532,10 +7564,13 @@ skip_sriov:
/* pick up the PCI bus settings for reporting later */
hw->mac.ops.get_bus_info(hw);
+ if (hw->device_id == IXGBE_DEV_ID_82599_SFP_SF_QP)
+ ixgbe_get_parent_bus_info(adapter);
/* print bus type/speed/width info */
e_dev_info("(PCI Express:%s:%s) %pM\n",
- (hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0GT/s" :
+ (hw->bus.speed == ixgbe_bus_speed_8000 ? "8.0GT/s" :
+ hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0GT/s" :
hw->bus.speed == ixgbe_bus_speed_2500 ? "2.5GT/s" :
"Unknown"),
(hw->bus.width == ixgbe_bus_width_pcie_x8 ? "Width x8" :
@@ -7615,9 +7650,13 @@ skip_sriov:
e_err(probe, "failed to allocate sysfs resources\n");
#endif /* CONFIG_IXGBE_HWMON */
-#ifdef CONFIG_DEBUG_FS
ixgbe_dbg_adapter_init(adapter);
-#endif /* CONFIG_DEBUG_FS */
+
+ /* Need link setup for MNG FW, else wait for IXGBE_UP */
+ if (hw->mng_fw_enabled && hw->mac.ops.setup_link)
+ hw->mac.ops.setup_link(hw,
+ IXGBE_LINK_SPEED_10GB_FULL | IXGBE_LINK_SPEED_1GB_FULL,
+ true);
return 0;
@@ -7653,9 +7692,7 @@ static void ixgbe_remove(struct pci_dev *pdev)
struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
struct net_device *netdev = adapter->netdev;
-#ifdef CONFIG_DEBUG_FS
ixgbe_dbg_adapter_exit(adapter);
-#endif /*CONFIG_DEBUG_FS */
set_bit(__IXGBE_DOWN, &adapter->state);
cancel_work_sync(&adapter->service_task);
@@ -7918,15 +7955,11 @@ static int __init ixgbe_init_module(void)
pr_info("%s - version %s\n", ixgbe_driver_string, ixgbe_driver_version);
pr_info("%s\n", ixgbe_copyright);
-#ifdef CONFIG_DEBUG_FS
ixgbe_dbg_init();
-#endif /* CONFIG_DEBUG_FS */
ret = pci_register_driver(&ixgbe_driver);
if (ret) {
-#ifdef CONFIG_DEBUG_FS
ixgbe_dbg_exit();
-#endif /* CONFIG_DEBUG_FS */
return ret;
}
@@ -7952,9 +7985,7 @@ static void __exit ixgbe_exit_module(void)
#endif
pci_unregister_driver(&ixgbe_driver);
-#ifdef CONFIG_DEBUG_FS
ixgbe_dbg_exit();
-#endif /* CONFIG_DEBUG_FS */
rcu_barrier(); /* Wait for completion of call_rcu()'s */
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-02 01:24:35 +0300