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-rw-r--r--drivers/net/e1000e/defines.h1
-rw-r--r--drivers/net/e1000e/ethtool.c21
-rw-r--r--drivers/net/e1000e/hw.h5
-rw-r--r--drivers/net/e1000e/ich8lan.c45
-rw-r--r--drivers/net/e1000e/netdev.c6
-rw-r--r--drivers/net/ixgb/ixgb.h2
-rw-r--r--drivers/net/ixgb/ixgb_ethtool.c39
-rw-r--r--drivers/net/ixgb/ixgb_main.c54
-rw-r--r--drivers/net/ixgbevf/ixgbevf.h1
-rw-r--r--drivers/net/ixgbevf/ixgbevf_main.c50
-rw-r--r--include/linux/netdevice.h36
11 files changed, 138 insertions, 122 deletions
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index 1314998..c516a74 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -86,6 +86,7 @@
#define E1000_CTRL_EXT_IAME 0x08000000 /* Interrupt acknowledge Auto-mask */
#define E1000_CTRL_EXT_INT_TIMER_CLR 0x20000000 /* Clear Interrupt timers after IMS clear */
#define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */
+#define E1000_CTRL_EXT_LSECCK 0x00001000
#define E1000_CTRL_EXT_PHYPDEN 0x00100000
/* Receive Descriptor bit definitions */
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index d4e51aa..07f09e9 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1666,10 +1666,13 @@ static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
} else {
hw->mac.ops.check_for_link(hw);
if (hw->mac.autoneg)
- msleep(4000);
+ /*
+ * On some Phy/switch combinations, link establishment
+ * can take a few seconds more than expected.
+ */
+ msleep(5000);
- if (!(er32(STATUS) &
- E1000_STATUS_LU))
+ if (!(er32(STATUS) & E1000_STATUS_LU))
*data = 1;
}
return *data;
@@ -1796,8 +1799,7 @@ static void e1000_get_wol(struct net_device *netdev,
return;
wol->supported = WAKE_UCAST | WAKE_MCAST |
- WAKE_BCAST | WAKE_MAGIC |
- WAKE_PHY | WAKE_ARP;
+ WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
/* apply any specific unsupported masks here */
if (adapter->flags & FLAG_NO_WAKE_UCAST) {
@@ -1818,19 +1820,16 @@ static void e1000_get_wol(struct net_device *netdev,
wol->wolopts |= WAKE_MAGIC;
if (adapter->wol & E1000_WUFC_LNKC)
wol->wolopts |= WAKE_PHY;
- if (adapter->wol & E1000_WUFC_ARP)
- wol->wolopts |= WAKE_ARP;
}
-static int e1000_set_wol(struct net_device *netdev,
- struct ethtool_wolinfo *wol)
+static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
if (!(adapter->flags & FLAG_HAS_WOL) ||
!device_can_wakeup(&adapter->pdev->dev) ||
(wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
- WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
+ WAKE_MAGIC | WAKE_PHY)))
return -EOPNOTSUPP;
/* these settings will always override what we currently have */
@@ -1846,8 +1845,6 @@ static int e1000_set_wol(struct net_device *netdev,
adapter->wol |= E1000_WUFC_MAG;
if (wol->wolopts & WAKE_PHY)
adapter->wol |= E1000_WUFC_LNKC;
- if (wol->wolopts & WAKE_ARP)
- adapter->wol |= E1000_WUFC_ARP;
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index bc0860a..307e1ec 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -812,9 +812,8 @@ struct e1000_nvm_operations {
struct e1000_mac_info {
struct e1000_mac_operations ops;
-
- u8 addr[6];
- u8 perm_addr[6];
+ u8 addr[ETH_ALEN];
+ u8 perm_addr[ETH_ALEN];
enum e1000_mac_type type;
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 232b42b..ce1dbfd 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -140,6 +140,11 @@
#define I82579_LPI_CTRL PHY_REG(772, 20)
#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
+/* EMI Registers */
+#define I82579_EMI_ADDR 0x10
+#define I82579_EMI_DATA 0x11
+#define I82579_LPI_UPDATE_TIMER 0x4805 /* in 40ns units + 40 ns base value */
+
/* Strapping Option Register - RO */
#define E1000_STRAP 0x0000C
#define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000
@@ -302,9 +307,9 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
* the interconnect to PCIe mode.
*/
fwsm = er32(FWSM);
- if (!(fwsm & E1000_ICH_FWSM_FW_VALID)) {
+ if (!(fwsm & E1000_ICH_FWSM_FW_VALID) && !e1000_check_reset_block(hw)) {
ctrl = er32(CTRL);
- ctrl |= E1000_CTRL_LANPHYPC_OVERRIDE;
+ ctrl |= E1000_CTRL_LANPHYPC_OVERRIDE;
ctrl &= ~E1000_CTRL_LANPHYPC_VALUE;
ew32(CTRL, ctrl);
udelay(10);
@@ -331,7 +336,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
goto out;
/* Ungate automatic PHY configuration on non-managed 82579 */
- if ((hw->mac.type == e1000_pch2lan) &&
+ if ((hw->mac.type == e1000_pch2lan) &&
!(fwsm & E1000_ICH_FWSM_FW_VALID)) {
msleep(10);
e1000_gate_hw_phy_config_ich8lan(hw, false);
@@ -366,7 +371,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
case e1000_phy_82579:
phy->ops.check_polarity = e1000_check_polarity_82577;
phy->ops.force_speed_duplex =
- e1000_phy_force_speed_duplex_82577;
+ e1000_phy_force_speed_duplex_82577;
phy->ops.get_cable_length = e1000_get_cable_length_82577;
phy->ops.get_info = e1000_get_phy_info_82577;
phy->ops.commit = e1000e_phy_sw_reset;
@@ -753,7 +758,13 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
if (rc)
return rc;
- if (adapter->hw.phy.type == e1000_phy_ife) {
+ /*
+ * Disable Jumbo Frame support on parts with Intel 10/100 PHY or
+ * on parts with MACsec enabled in NVM (reflected in CTRL_EXT).
+ */
+ if ((adapter->hw.phy.type == e1000_phy_ife) ||
+ ((adapter->hw.mac.type >= e1000_pch2lan) &&
+ (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LSECCK)))) {
adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES;
adapter->max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN;
}
@@ -1723,11 +1734,25 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
/* Configure the LCD with the OEM bits in NVM */
ret_val = e1000_oem_bits_config_ich8lan(hw, true);
- /* Ungate automatic PHY configuration on non-managed 82579 */
- if ((hw->mac.type == e1000_pch2lan) &&
- !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
- msleep(10);
- e1000_gate_hw_phy_config_ich8lan(hw, false);
+ if (hw->mac.type == e1000_pch2lan) {
+ /* Ungate automatic PHY configuration on non-managed 82579 */
+ if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
+ msleep(10);
+ e1000_gate_hw_phy_config_ich8lan(hw, false);
+ }
+
+ /* Set EEE LPI Update Timer to 200usec */
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ goto out;
+ ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR,
+ I82579_LPI_UPDATE_TIMER);
+ if (ret_val)
+ goto release;
+ ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_DATA,
+ 0x1387);
+release:
+ hw->phy.ops.release(hw);
}
out:
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 455d5a1..a74de23 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -54,7 +54,7 @@
#define DRV_EXTRAVERSION "-k2"
-#define DRV_VERSION "1.2.20" DRV_EXTRAVERSION
+#define DRV_VERSION "1.3.10" DRV_EXTRAVERSION
char e1000e_driver_name[] = "e1000e";
const char e1000e_driver_version[] = DRV_VERSION;
@@ -1322,7 +1322,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
/* an error means any chain goes out the window
* too */
if (rx_ring->rx_skb_top)
- dev_kfree_skb(rx_ring->rx_skb_top);
+ dev_kfree_skb_irq(rx_ring->rx_skb_top);
rx_ring->rx_skb_top = NULL;
goto next_desc;
}
@@ -1395,7 +1395,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
/* eth type trans needs skb->data to point to something */
if (!pskb_may_pull(skb, ETH_HLEN)) {
e_err("pskb_may_pull failed.\n");
- dev_kfree_skb(skb);
+ dev_kfree_skb_irq(skb);
goto next_desc;
}
diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h
index 521c0c7..8f3df04 100644
--- a/drivers/net/ixgb/ixgb.h
+++ b/drivers/net/ixgb/ixgb.h
@@ -149,7 +149,7 @@ struct ixgb_desc_ring {
struct ixgb_adapter {
struct timer_list watchdog_timer;
- struct vlan_group *vlgrp;
+ unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
u32 bd_number;
u32 rx_buffer_len;
u32 part_num;
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index 43994c1..cc53aa1 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -706,6 +706,43 @@ ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
}
}
+static int ixgb_set_flags(struct net_device *netdev, u32 data)
+{
+ struct ixgb_adapter *adapter = netdev_priv(netdev);
+ bool need_reset;
+ int rc;
+
+ /*
+ * Tx VLAN insertion does not work per HW design when Rx stripping is
+ * disabled. Disable txvlan when rxvlan is turned off, and enable
+ * rxvlan when txvlan is turned on.
+ */
+ if (!(data & ETH_FLAG_RXVLAN) &&
+ (netdev->features & NETIF_F_HW_VLAN_TX))
+ data &= ~ETH_FLAG_TXVLAN;
+ else if (data & ETH_FLAG_TXVLAN)
+ data |= ETH_FLAG_RXVLAN;
+
+ need_reset = (data & ETH_FLAG_RXVLAN) !=
+ (netdev->features & NETIF_F_HW_VLAN_RX);
+
+ rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_RXVLAN |
+ ETH_FLAG_TXVLAN);
+ if (rc)
+ return rc;
+
+ if (need_reset) {
+ if (netif_running(netdev)) {
+ ixgb_down(adapter, true);
+ ixgb_up(adapter);
+ ixgb_set_speed_duplex(netdev);
+ } else
+ ixgb_reset(adapter);
+ }
+
+ return 0;
+}
+
static const struct ethtool_ops ixgb_ethtool_ops = {
.get_settings = ixgb_get_settings,
.set_settings = ixgb_set_settings,
@@ -732,6 +769,8 @@ static const struct ethtool_ops ixgb_ethtool_ops = {
.phys_id = ixgb_phys_id,
.get_sset_count = ixgb_get_sset_count,
.get_ethtool_stats = ixgb_get_ethtool_stats,
+ .get_flags = ethtool_op_get_flags,
+ .set_flags = ixgb_set_flags,
};
void ixgb_set_ethtool_ops(struct net_device *netdev)
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index 5639ccc..0f681ac 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -100,8 +100,6 @@ static void ixgb_tx_timeout_task(struct work_struct *work);
static void ixgb_vlan_strip_enable(struct ixgb_adapter *adapter);
static void ixgb_vlan_strip_disable(struct ixgb_adapter *adapter);
-static void ixgb_vlan_rx_register(struct net_device *netdev,
- struct vlan_group *grp);
static void ixgb_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
static void ixgb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
static void ixgb_restore_vlan(struct ixgb_adapter *adapter);
@@ -336,7 +334,6 @@ static const struct net_device_ops ixgb_netdev_ops = {
.ndo_set_mac_address = ixgb_set_mac,
.ndo_change_mtu = ixgb_change_mtu,
.ndo_tx_timeout = ixgb_tx_timeout,
- .ndo_vlan_rx_register = ixgb_vlan_rx_register,
.ndo_vlan_rx_add_vid = ixgb_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = ixgb_vlan_rx_kill_vid,
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -1508,7 +1505,7 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
DESC_NEEDED)))
return NETDEV_TX_BUSY;
- if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
+ if (vlan_tx_tag_present(skb)) {
tx_flags |= IXGB_TX_FLAGS_VLAN;
vlan_id = vlan_tx_tag_get(skb);
}
@@ -2049,12 +2046,11 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do)
ixgb_rx_checksum(adapter, rx_desc, skb);
skb->protocol = eth_type_trans(skb, netdev);
- if (adapter->vlgrp && (status & IXGB_RX_DESC_STATUS_VP)) {
- vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->special));
- } else {
- netif_receive_skb(skb);
- }
+ if (status & IXGB_RX_DESC_STATUS_VP)
+ __vlan_hwaccel_put_tag(skb,
+ le16_to_cpu(rx_desc->special));
+
+ netif_receive_skb(skb);
rxdesc_done:
/* clean up descriptor, might be written over by hw */
@@ -2152,20 +2148,6 @@ map_skb:
}
}
-/**
- * ixgb_vlan_rx_register - enables or disables vlan tagging/stripping.
- *
- * @param netdev network interface device structure
- * @param grp indicates to enable or disable tagging/stripping
- **/
-static void
-ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
-{
- struct ixgb_adapter *adapter = netdev_priv(netdev);
-
- adapter->vlgrp = grp;
-}
-
static void
ixgb_vlan_strip_enable(struct ixgb_adapter *adapter)
{
@@ -2200,6 +2182,7 @@ ixgb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
vfta = IXGB_READ_REG_ARRAY(&adapter->hw, VFTA, index);
vfta |= (1 << (vid & 0x1F));
ixgb_write_vfta(&adapter->hw, index, vfta);
+ set_bit(vid, adapter->active_vlans);
}
static void
@@ -2208,35 +2191,22 @@ ixgb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
struct ixgb_adapter *adapter = netdev_priv(netdev);
u32 vfta, index;
- ixgb_irq_disable(adapter);
-
- vlan_group_set_device(adapter->vlgrp, vid, NULL);
-
- /* don't enable interrupts unless we are UP */
- if (adapter->netdev->flags & IFF_UP)
- ixgb_irq_enable(adapter);
-
/* remove VID from filter table */
index = (vid >> 5) & 0x7F;
vfta = IXGB_READ_REG_ARRAY(&adapter->hw, VFTA, index);
vfta &= ~(1 << (vid & 0x1F));
ixgb_write_vfta(&adapter->hw, index, vfta);
+ clear_bit(vid, adapter->active_vlans);
}
static void
ixgb_restore_vlan(struct ixgb_adapter *adapter)
{
- ixgb_vlan_rx_register(adapter->netdev, adapter->vlgrp);
-
- if (adapter->vlgrp) {
- u16 vid;
- for (vid = 0; vid < VLAN_N_VID; vid++) {
- if (!vlan_group_get_device(adapter->vlgrp, vid))
- continue;
- ixgb_vlan_rx_add_vid(adapter->netdev, vid);
- }
- }
+ u16 vid;
+
+ for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
+ ixgb_vlan_rx_add_vid(adapter->netdev, vid);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/drivers/net/ixgbevf/ixgbevf.h b/drivers/net/ixgbevf/ixgbevf.h
index a63efcb..b703f60 100644
--- a/drivers/net/ixgbevf/ixgbevf.h
+++ b/drivers/net/ixgbevf/ixgbevf.h
@@ -207,7 +207,6 @@ struct ixgbevf_adapter {
u64 hw_tso_ctxt;
u64 hw_tso6_ctxt;
u32 tx_timeout_count;
- bool detect_tx_hung;
/* RX */
struct ixgbevf_ring *rx_ring; /* One per active queue */
diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index 8276881..c1fb2c1 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -162,40 +162,6 @@ static void ixgbevf_unmap_and_free_tx_resource(struct ixgbevf_adapter *adapter,
/* tx_buffer_info must be completely set up in the transmit path */
}
-static inline bool ixgbevf_check_tx_hang(struct ixgbevf_adapter *adapter,
- struct ixgbevf_ring *tx_ring,
- unsigned int eop)
-{
- struct ixgbe_hw *hw = &adapter->hw;
- u32 head, tail;
-
- /* Detect a transmit hang in hardware, this serializes the
- * check with the clearing of time_stamp and movement of eop */
- head = readl(hw->hw_addr + tx_ring->head);
- tail = readl(hw->hw_addr + tx_ring->tail);
- adapter->detect_tx_hung = false;
- if ((head != tail) &&
- tx_ring->tx_buffer_info[eop].time_stamp &&
- time_after(jiffies, tx_ring->tx_buffer_info[eop].time_stamp + HZ)) {
- /* detected Tx unit hang */
- printk(KERN_ERR "Detected Tx Unit Hang\n"
- " Tx Queue <%d>\n"
- " TDH, TDT <%x>, <%x>\n"
- " next_to_use <%x>\n"
- " next_to_clean <%x>\n"
- "tx_buffer_info[next_to_clean]\n"
- " time_stamp <%lx>\n"
- " jiffies <%lx>\n",
- tx_ring->queue_index,
- head, tail,
- tx_ring->next_to_use, eop,
- tx_ring->tx_buffer_info[eop].time_stamp, jiffies);
- return true;
- }
-
- return false;
-}
-
#define IXGBE_MAX_TXD_PWR 14
#define IXGBE_MAX_DATA_PER_TXD (1 << IXGBE_MAX_TXD_PWR)
@@ -291,16 +257,6 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_adapter *adapter,
#endif
}
- if (adapter->detect_tx_hung) {
- if (ixgbevf_check_tx_hang(adapter, tx_ring, i)) {
- /* schedule immediate reset if we believe we hung */
- printk(KERN_INFO
- "tx hang %d detected, resetting adapter\n",
- adapter->tx_timeout_count + 1);
- ixgbevf_tx_timeout(adapter->netdev);
- }
- }
-
/* re-arm the interrupt */
if ((count >= tx_ring->work_limit) &&
(!test_bit(__IXGBEVF_DOWN, &adapter->state))) {
@@ -2412,9 +2368,6 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
10 : 1);
netif_carrier_on(netdev);
netif_tx_wake_all_queues(netdev);
- } else {
- /* Force detection of hung controller */
- adapter->detect_tx_hung = true;
}
} else {
adapter->link_up = false;
@@ -2429,9 +2382,6 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
ixgbevf_update_stats(adapter);
pf_has_reset:
- /* Force detection of hung controller every watchdog period */
- adapter->detect_tx_hung = true;
-
/* Reset the timer */
if (!test_bit(__IXGBEVF_DOWN, &adapter->state))
mod_timer(&adapter->watchdog_timer,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7a07153..604dbf5 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -777,6 +777,42 @@ struct netdev_tc_txq {
* queues stopped. This allows the netdevice to perform queue management
* safely.
*
+ * Fiber Channel over Ethernet (FCoE) offload functions.
+ * int (*ndo_fcoe_enable)(struct net_device *dev);
+ * Called when the FCoE protocol stack wants to start using LLD for FCoE
+ * so the underlying device can perform whatever needed configuration or
+ * initialization to support acceleration of FCoE traffic.
+ *
+ * int (*ndo_fcoe_disable)(struct net_device *dev);
+ * Called when the FCoE protocol stack wants to stop using LLD for FCoE
+ * so the underlying device can perform whatever needed clean-ups to
+ * stop supporting acceleration of FCoE traffic.
+ *
+ * int (*ndo_fcoe_ddp_setup)(struct net_device *dev, u16 xid,
+ * struct scatterlist *sgl, unsigned int sgc);
+ * Called when the FCoE Initiator wants to initialize an I/O that
+ * is a possible candidate for Direct Data Placement (DDP). The LLD can
+ * perform necessary setup and returns 1 to indicate the device is set up
+ * successfully to perform DDP on this I/O, otherwise this returns 0.
+ *
+ * int (*ndo_fcoe_ddp_done)(struct net_device *dev, u16 xid);
+ * Called when the FCoE Initiator/Target is done with the DDPed I/O as
+ * indicated by the FC exchange id 'xid', so the underlying device can
+ * clean up and reuse resources for later DDP requests.
+ *
+ * int (*ndo_fcoe_ddp_target)(struct net_device *dev, u16 xid,
+ * struct scatterlist *sgl, unsigned int sgc);
+ * Called when the FCoE Target wants to initialize an I/O that
+ * is a possible candidate for Direct Data Placement (DDP). The LLD can
+ * perform necessary setup and returns 1 to indicate the device is set up
+ * successfully to perform DDP on this I/O, otherwise this returns 0.
+ *
+ * int (*ndo_fcoe_get_wwn)(struct net_device *dev, u64 *wwn, int type);
+ * Called when the underlying device wants to override default World Wide
+ * Name (WWN) generation mechanism in FCoE protocol stack to pass its own
+ * World Wide Port Name (WWPN) or World Wide Node Name (WWNN) to the FCoE
+ * protocol stack to use.
+ *
* RFS acceleration.
* int (*ndo_rx_flow_steer)(struct net_device *dev, const struct sk_buff *skb,
* u16 rxq_index, u32 flow_id);
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