/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2009 Intel Corporation.
+ Copyright(c) 1999 - 2010 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,
#include "e1000.h"
-#define DRV_VERSION "1.0.2-k4"
+#define DRV_EXTRAVERSION "-k2"
+
+#define DRV_VERSION "1.2.7" DRV_EXTRAVERSION
char e1000e_driver_name[] = "e1000e";
const char e1000e_driver_version[] = DRV_VERSION;
[board_ich9lan] = &e1000_ich9_info,
[board_ich10lan] = &e1000_ich10_info,
[board_pchlan] = &e1000_pch_info,
+ [board_pch2lan] = &e1000_pch2_info,
};
struct e1000_reg_info {
buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
0, tx_ring->next_to_use, tx_ring->next_to_clean,
- (u64)buffer_info->dma,
+ (unsigned long long)buffer_info->dma,
buffer_info->length,
buffer_info->next_to_watch,
- (u64)buffer_info->time_stamp);
+ (unsigned long long)buffer_info->time_stamp);
/* Print TX Rings */
if (!netif_msg_tx_done(adapter))
"%04X %3X %016llX %p",
(!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' :
((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i,
- le64_to_cpu(u0->a), le64_to_cpu(u0->b),
- (u64)buffer_info->dma, buffer_info->length,
- buffer_info->next_to_watch, (u64)buffer_info->time_stamp,
+ (unsigned long long)le64_to_cpu(u0->a),
+ (unsigned long long)le64_to_cpu(u0->b),
+ (unsigned long long)buffer_info->dma,
+ buffer_info->length, buffer_info->next_to_watch,
+ (unsigned long long)buffer_info->time_stamp,
buffer_info->skb);
if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
printk(KERN_CONT " NTC/U\n");
printk(KERN_INFO "RWB[0x%03X] %016llX "
"%016llX %016llX %016llX "
"---------------- %p", i,
- le64_to_cpu(u1->a),
- le64_to_cpu(u1->b),
- le64_to_cpu(u1->c),
- le64_to_cpu(u1->d),
+ (unsigned long long)le64_to_cpu(u1->a),
+ (unsigned long long)le64_to_cpu(u1->b),
+ (unsigned long long)le64_to_cpu(u1->c),
+ (unsigned long long)le64_to_cpu(u1->d),
buffer_info->skb);
} else {
printk(KERN_INFO "R [0x%03X] %016llX "
"%016llX %016llX %016llX %016llX %p", i,
- le64_to_cpu(u1->a),
- le64_to_cpu(u1->b),
- le64_to_cpu(u1->c),
- le64_to_cpu(u1->d),
- (u64)buffer_info->dma,
+ (unsigned long long)le64_to_cpu(u1->a),
+ (unsigned long long)le64_to_cpu(u1->b),
+ (unsigned long long)le64_to_cpu(u1->c),
+ (unsigned long long)le64_to_cpu(u1->d),
+ (unsigned long long)buffer_info->dma,
buffer_info->skb);
if (netif_msg_pktdata(adapter))
buffer_info = &rx_ring->buffer_info[i];
u0 = (struct my_u0 *)rx_desc;
printk(KERN_INFO "Rl[0x%03X] %016llX %016llX "
- "%016llX %p",
- i, le64_to_cpu(u0->a), le64_to_cpu(u0->b),
- (u64)buffer_info->dma, buffer_info->skb);
+ "%016llX %p", i,
+ (unsigned long long)le64_to_cpu(u0->a),
+ (unsigned long long)le64_to_cpu(u0->b),
+ (unsigned long long)buffer_info->dma,
+ buffer_info->skb);
if (i == rx_ring->next_to_use)
printk(KERN_CONT " NTU\n");
else if (i == rx_ring->next_to_clean)
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
{
int err;
- int numvecs, i;
-
+ int i;
switch (adapter->int_mode) {
case E1000E_INT_MODE_MSIX:
if (adapter->flags & FLAG_HAS_MSIX) {
- numvecs = 3; /* RxQ0, TxQ0 and other */
- adapter->msix_entries = kcalloc(numvecs,
+ adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
+ adapter->msix_entries = kcalloc(adapter->num_vectors,
sizeof(struct msix_entry),
GFP_KERNEL);
if (adapter->msix_entries) {
- for (i = 0; i < numvecs; i++)
+ for (i = 0; i < adapter->num_vectors; i++)
adapter->msix_entries[i].entry = i;
err = pci_enable_msix(adapter->pdev,
adapter->msix_entries,
- numvecs);
- if (err == 0)
+ adapter->num_vectors);
+ if (err == 0) {
return;
+ }
}
/* MSI-X failed, so fall through and try MSI */
e_err("Failed to initialize MSI-X interrupts. "
/* Don't do anything; this is the system default */
break;
}
+
+ /* store the number of vectors being used */
+ adapter->num_vectors = 1;
}
/**
if (adapter->msix_entries)
ew32(EIAC_82574, 0);
e1e_flush();
- synchronize_irq(adapter->pdev->irq);
+
+ if (adapter->msix_entries) {
+ int i;
+ for (i = 0; i < adapter->num_vectors; i++)
+ synchronize_irq(adapter->msix_entries[i].vector);
+ } else {
+ synchronize_irq(adapter->pdev->irq);
+ }
}
/**
e1e_wphy(hw, 22, phy_data);
}
+ /* Workaround Si errata on 82579 - configure jumbo frame flow */
+ if (hw->mac.type == e1000_pch2lan) {
+ s32 ret_val;
+
+ if (rctl & E1000_RCTL_LPE)
+ ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
+ else
+ ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
+ }
+
/* Setup buffer sizes */
rctl &= ~E1000_RCTL_SZ_4096;
rctl |= E1000_RCTL_BSEX;
* per packet.
*/
pages = PAGE_USE_COUNT(adapter->netdev->mtu);
- if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
+ if (!(adapter->flags & FLAG_HAS_ERT) && (pages <= 3) &&
(PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
adapter->rx_ps_pages = pages;
else
* dropped transactions.
*/
pm_qos_update_request(
- adapter->netdev->pm_qos_req, 55);
+ &adapter->netdev->pm_qos_req, 55);
} else {
pm_qos_update_request(
- adapter->netdev->pm_qos_req,
+ &adapter->netdev->pm_qos_req,
PM_QOS_DEFAULT_VALUE);
}
}
* with ERT support assuming ERT set to E1000_ERT_2048), or
* - the full Rx FIFO size minus one full frame
*/
- if (hw->mac.type == e1000_pchlan) {
+ if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
+ fc->pause_time = 0xFFFF;
+ else
+ fc->pause_time = E1000_FC_PAUSE_TIME;
+ fc->send_xon = 1;
+ fc->current_mode = fc->requested_mode;
+
+ switch (hw->mac.type) {
+ default:
+ if ((adapter->flags & FLAG_HAS_ERT) &&
+ (adapter->netdev->mtu > ETH_DATA_LEN))
+ hwm = min(((pba << 10) * 9 / 10),
+ ((pba << 10) - (E1000_ERT_2048 << 3)));
+ else
+ hwm = min(((pba << 10) * 9 / 10),
+ ((pba << 10) - adapter->max_frame_size));
+
+ fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
+ fc->low_water = fc->high_water - 8;
+ break;
+ case e1000_pchlan:
/*
* Workaround PCH LOM adapter hangs with certain network
* loads. If hangs persist, try disabling Tx flow control.
fc->low_water = 0x3000;
}
fc->refresh_time = 0x1000;
- } else {
- if ((adapter->flags & FLAG_HAS_ERT) &&
- (adapter->netdev->mtu > ETH_DATA_LEN))
- hwm = min(((pba << 10) * 9 / 10),
- ((pba << 10) - (E1000_ERT_2048 << 3)));
- else
- hwm = min(((pba << 10) * 9 / 10),
- ((pba << 10) - adapter->max_frame_size));
-
- fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
- fc->low_water = fc->high_water - 8;
+ break;
+ case e1000_pch2lan:
+ fc->high_water = 0x05C20;
+ fc->low_water = 0x05048;
+ fc->pause_time = 0x0650;
+ fc->refresh_time = 0x0400;
+ break;
}
- if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
- fc->pause_time = 0xFFFF;
- else
- fc->pause_time = E1000_FC_PAUSE_TIME;
- fc->send_xon = 1;
- fc->current_mode = fc->requested_mode;
-
/* Allow time for pending master requests to run */
mac->ops.reset_hw(hw);
e1000_get_hw_control(adapter);
ew32(WUC, 0);
- if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
- e1e_wphy(&adapter->hw, BM_WUC, 0);
if (mac->ops.init_hw(hw))
e_err("Hardware Error\n");
{
struct e1000_hw *hw = &adapter->hw;
- /* DMA latency requirement to workaround early-receive/jumbo issue */
- if (adapter->flags & FLAG_HAS_ERT)
- adapter->netdev->pm_qos_req =
- pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY,
- PM_QOS_DEFAULT_VALUE);
-
/* hardware has been reset, we need to reload some things */
e1000_configure(adapter);
e1000_clean_tx_ring(adapter);
e1000_clean_rx_ring(adapter);
- if (adapter->flags & FLAG_HAS_ERT) {
- pm_qos_remove_request(
- adapter->netdev->pm_qos_req);
- adapter->netdev->pm_qos_req = NULL;
- }
-
/*
* TODO: for power management, we could drop the link and
* pci_disable_device here.
/* disable SERR in case the MSI write causes a master abort */
pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
- pci_write_config_word(adapter->pdev, PCI_COMMAND,
- pci_cmd & ~PCI_COMMAND_SERR);
+ if (pci_cmd & PCI_COMMAND_SERR)
+ pci_write_config_word(adapter->pdev, PCI_COMMAND,
+ pci_cmd & ~PCI_COMMAND_SERR);
err = e1000_test_msi_interrupt(adapter);
- /* restore previous setting of command word */
- pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
+ /* re-enable SERR */
+ if (pci_cmd & PCI_COMMAND_SERR) {
+ pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
+ pci_cmd |= PCI_COMMAND_SERR;
+ pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
+ }
/* success ! */
if (!err)
E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
e1000_update_mng_vlan(adapter);
+ /* DMA latency requirement to workaround early-receive/jumbo issue */
+ if (adapter->flags & FLAG_HAS_ERT)
+ pm_qos_add_request(&adapter->netdev->pm_qos_req,
+ PM_QOS_CPU_DMA_LATENCY,
+ PM_QOS_DEFAULT_VALUE);
+
/*
* before we allocate an interrupt, we must be ready to handle it.
* Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
if (adapter->flags & FLAG_HAS_AMT)
e1000_release_hw_control(adapter);
+ if (adapter->flags & FLAG_HAS_ERT)
+ pm_qos_remove_request(&adapter->netdev->pm_qos_req);
+
pm_runtime_put_sync(&pdev->dev);
return 0;
schedule_work(&adapter->update_phy_task);
}
+/**
+ * e1000e_update_phy_stats - Update the PHY statistics counters
+ * @adapter: board private structure
+ **/
+static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ s32 ret_val;
+ u16 phy_data;
+
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ return;
+
+ hw->phy.addr = 1;
+
+#define HV_PHY_STATS_PAGE 778
+ /*
+ * A page set is expensive so check if already on desired page.
+ * If not, set to the page with the PHY status registers.
+ */
+ ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
+ &phy_data);
+ if (ret_val)
+ goto release;
+ if (phy_data != (HV_PHY_STATS_PAGE << IGP_PAGE_SHIFT)) {
+ ret_val = e1000e_write_phy_reg_mdic(hw,
+ IGP01E1000_PHY_PAGE_SELECT,
+ (HV_PHY_STATS_PAGE <<
+ IGP_PAGE_SHIFT));
+ if (ret_val)
+ goto release;
+ }
+
+ /* Read/clear the upper 16-bit registers and read/accumulate lower */
+
+ /* Single Collision Count */
+ e1000e_read_phy_reg_mdic(hw, HV_SCC_UPPER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ HV_SCC_LOWER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ if (!ret_val)
+ adapter->stats.scc += phy_data;
+
+ /* Excessive Collision Count */
+ e1000e_read_phy_reg_mdic(hw, HV_ECOL_UPPER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ HV_ECOL_LOWER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ if (!ret_val)
+ adapter->stats.ecol += phy_data;
+
+ /* Multiple Collision Count */
+ e1000e_read_phy_reg_mdic(hw, HV_MCC_UPPER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ HV_MCC_LOWER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ if (!ret_val)
+ adapter->stats.mcc += phy_data;
+
+ /* Late Collision Count */
+ e1000e_read_phy_reg_mdic(hw, HV_LATECOL_UPPER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ HV_LATECOL_LOWER &
+ MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ if (!ret_val)
+ adapter->stats.latecol += phy_data;
+
+ /* Collision Count - also used for adaptive IFS */
+ e1000e_read_phy_reg_mdic(hw, HV_COLC_UPPER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ HV_COLC_LOWER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ if (!ret_val)
+ hw->mac.collision_delta = phy_data;
+
+ /* Defer Count */
+ e1000e_read_phy_reg_mdic(hw, HV_DC_UPPER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ HV_DC_LOWER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ if (!ret_val)
+ adapter->stats.dc += phy_data;
+
+ /* Transmit with no CRS */
+ e1000e_read_phy_reg_mdic(hw, HV_TNCRS_UPPER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ HV_TNCRS_LOWER & MAX_PHY_REG_ADDRESS,
+ &phy_data);
+ if (!ret_val)
+ adapter->stats.tncrs += phy_data;
+
+release:
+ hw->phy.ops.release(hw);
+}
+
/**
* e1000e_update_stats - Update the board statistics counters
* @adapter: board private structure
struct net_device *netdev = adapter->netdev;
struct e1000_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
- u16 phy_data;
/*
* Prevent stats update while adapter is being reset, or if the pci
adapter->stats.roc += er32(ROC);
adapter->stats.mpc += er32(MPC);
- if ((hw->phy.type == e1000_phy_82578) ||
- (hw->phy.type == e1000_phy_82577)) {
- e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
- if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
- adapter->stats.scc += phy_data;
-
- e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
- if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
- adapter->stats.ecol += phy_data;
-
- e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
- if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
- adapter->stats.mcc += phy_data;
-
- e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
- if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
- adapter->stats.latecol += phy_data;
-
- e1e_rphy(hw, HV_DC_UPPER, &phy_data);
- if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
- adapter->stats.dc += phy_data;
- } else {
- adapter->stats.scc += er32(SCC);
- adapter->stats.ecol += er32(ECOL);
- adapter->stats.mcc += er32(MCC);
- adapter->stats.latecol += er32(LATECOL);
- adapter->stats.dc += er32(DC);
+
+ /* Half-duplex statistics */
+ if (adapter->link_duplex == HALF_DUPLEX) {
+ if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
+ e1000e_update_phy_stats(adapter);
+ } else {
+ adapter->stats.scc += er32(SCC);
+ adapter->stats.ecol += er32(ECOL);
+ adapter->stats.mcc += er32(MCC);
+ adapter->stats.latecol += er32(LATECOL);
+ adapter->stats.dc += er32(DC);
+
+ hw->mac.collision_delta = er32(COLC);
+
+ if ((hw->mac.type != e1000_82574) &&
+ (hw->mac.type != e1000_82583))
+ adapter->stats.tncrs += er32(TNCRS);
+ }
+ adapter->stats.colc += hw->mac.collision_delta;
}
+
adapter->stats.xonrxc += er32(XONRXC);
adapter->stats.xontxc += er32(XONTXC);
adapter->stats.xoffrxc += er32(XOFFRXC);
hw->mac.tx_packet_delta = er32(TPT);
adapter->stats.tpt += hw->mac.tx_packet_delta;
- if ((hw->phy.type == e1000_phy_82578) ||
- (hw->phy.type == e1000_phy_82577)) {
- e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
- if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
- hw->mac.collision_delta = phy_data;
- } else {
- hw->mac.collision_delta = er32(COLC);
- }
- adapter->stats.colc += hw->mac.collision_delta;
adapter->stats.algnerrc += er32(ALGNERRC);
adapter->stats.rxerrc += er32(RXERRC);
- if ((hw->phy.type == e1000_phy_82578) ||
- (hw->phy.type == e1000_phy_82577)) {
- e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
- if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
- adapter->stats.tncrs += phy_data;
- } else {
- if ((hw->mac.type != e1000_82574) &&
- (hw->mac.type != e1000_82583))
- adapter->stats.tncrs += er32(TNCRS);
- }
adapter->stats.cexterr += er32(CEXTERR);
adapter->stats.tsctc += er32(TSCTC);
adapter->stats.tsctfc += er32(TSCTFC);
((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
}
-bool e1000e_has_link(struct e1000_adapter *adapter)
+static bool e1000e_has_link(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
bool link_active = 0;
int retval = 0;
/* copy MAC RARs to PHY RARs */
- for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
- mac_reg = er32(RAL(i));
- e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
- e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
- mac_reg = er32(RAH(i));
- e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
- e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
- }
+ e1000_copy_rx_addrs_to_phy_ich8lan(hw);
/* copy MAC MTA to PHY MTA */
for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
if (err)
goto err_sw_init;
- err = -EIO;
-
memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
e1000_print_device_info(adapter);
- if (pci_dev_run_wake(pdev)) {
- pm_runtime_set_active(&pdev->dev);
- pm_runtime_enable(&pdev->dev);
- }
- pm_schedule_suspend(&pdev->dev, MSEC_PER_SEC);
+ if (pci_dev_run_wake(pdev))
+ pm_runtime_put_noidle(&pdev->dev);
return 0;
struct e1000_adapter *adapter = netdev_priv(netdev);
bool down = test_bit(__E1000_DOWN, &adapter->state);
- pm_runtime_get_sync(&pdev->dev);
-
/*
* flush_scheduled work may reschedule our watchdog task, so
* explicitly disable watchdog tasks from being rescheduled
clear_bit(__E1000_DOWN, &adapter->state);
unregister_netdev(netdev);
- if (pci_dev_run_wake(pdev)) {
- pm_runtime_disable(&pdev->dev);
- pm_runtime_set_suspended(&pdev->dev);
- }
- pm_runtime_put_noidle(&pdev->dev);
+ if (pci_dev_run_wake(pdev))
+ pm_runtime_get_noresume(&pdev->dev);
/*
* Release control of h/w to f/w. If f/w is AMT enabled, this
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
+
{ } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
int ret;
pr_info("Intel(R) PRO/1000 Network Driver - %s\n",
e1000e_driver_version);
- pr_info("Copyright (c) 1999 - 2009 Intel Corporation.\n");
+ pr_info("Copyright (c) 1999 - 2010 Intel Corporation.\n");
ret = pci_register_driver(&e1000_driver);
return ret;
git.samba.org / sfrench / cifs-2.6.git / blobdiff