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Commit 0bcf6aa7 authored by David S. Miller's avatar David S. Miller
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next 

Jeff Kirsher says:

====================
This series contains updates to ixgbevf and e1000e.

Alex's ixgbevf patch is meant to address several race issues that become
possible because next_to_watch could possibly be set to a value that shows
that the descriptor is done when it is not.  In order to correct that we
instead make next_to_watch a pointer that is set to NULL during cleanup,
and set to the eop_desc after the descriptor rings have been written.

Stephen's ixgbevf patch makes the PCI id table a const and reformats the
table to match what the ixgbe driver does.

The remaining 13 patches from Bruce are cleanup patches for e1000e to
resolve checkpatch.pl warnings/errors, removing blank lines where
necessary and fix code formatting.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents c031e234 3ffcf2cb
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Showing with 574 additions and 571 deletions
drivers/net/ethernet/intel/e1000e/82571.c
View file @ 0bcf6aa7
......@@ -184,7 +184,7 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
default:
nvm->type = e1000_nvm_eeprom_spi;
size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
E1000_EECD_SIZE_EX_SHIFT);
E1000_EECD_SIZE_EX_SHIFT);
/* Added to a constant, "size" becomes the left-shift value
* for setting word_size.
*/
......@@ -437,7 +437,7 @@ static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
return ret_val;
phy->id = (u32)(phy_id << 16);
udelay(20);
usleep_range(20, 40);
ret_val = e1e_rphy(hw, MII_PHYSID2, &phy_id);
if (ret_val)
return ret_val;
......@@ -482,7 +482,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
if (!(swsm & E1000_SWSM_SMBI))
break;
udelay(50);
usleep_range(50, 100);
i++;
}
......@@ -499,7 +499,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
if (er32(SWSM) & E1000_SWSM_SWESMBI)
break;
udelay(50);
usleep_range(50, 100);
}
if (i == fw_timeout) {
......@@ -526,6 +526,7 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
ew32(SWSM, swsm);
}
/**
* e1000_get_hw_semaphore_82573 - Acquire hardware semaphore
* @hw: pointer to the HW structure
......@@ -846,9 +847,9 @@ static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
}
for (i = 0; i < words; i++) {
eewr = (data[i] << E1000_NVM_RW_REG_DATA) |
((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
E1000_NVM_RW_REG_START;
eewr = ((data[i] << E1000_NVM_RW_REG_DATA) |
((offset + i) << E1000_NVM_RW_ADDR_SHIFT) |
E1000_NVM_RW_REG_START);
ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
if (ret_val)
......@@ -875,8 +876,7 @@ static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
s32 timeout = PHY_CFG_TIMEOUT;
while (timeout) {
if (er32(EEMNGCTL) &
E1000_NVM_CFG_DONE_PORT_0)
if (er32(EEMNGCTL) & E1000_NVM_CFG_DONE_PORT_0)
break;
usleep_range(1000, 2000);
timeout--;
......@@ -1022,7 +1022,7 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
}
if (hw->nvm.type == e1000_nvm_flash_hw) {
udelay(10);
usleep_range(10, 20);
ctrl_ext = er32(CTRL_EXT);
ctrl_ext |= E1000_CTRL_EXT_EE_RST;
ew32(CTRL_EXT, ctrl_ext);
......@@ -1095,9 +1095,9 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
/* Initialize identification LED */
ret_val = mac->ops.id_led_init(hw);
/* An error is not fatal and we should not stop init due to this */
if (ret_val)
e_dbg("Error initializing identification LED\n");
/* This is not fatal and we should not stop init due to this */
/* Disabling VLAN filtering */
e_dbg("Initializing the IEEE VLAN\n");
......@@ -1122,9 +1122,8 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
/* Set the transmit descriptor write-back policy */
reg_data = er32(TXDCTL(0));
reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
E1000_TXDCTL_FULL_TX_DESC_WB |
E1000_TXDCTL_COUNT_DESC;
reg_data = ((reg_data & ~E1000_TXDCTL_WTHRESH) |
E1000_TXDCTL_FULL_TX_DESC_WB | E1000_TXDCTL_COUNT_DESC);
ew32(TXDCTL(0), reg_data);
/* ...for both queues. */
......@@ -1140,9 +1139,9 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
break;
default:
reg_data = er32(TXDCTL(1));
reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
E1000_TXDCTL_FULL_TX_DESC_WB |
E1000_TXDCTL_COUNT_DESC;
reg_data = ((reg_data & ~E1000_TXDCTL_WTHRESH) |
E1000_TXDCTL_FULL_TX_DESC_WB |
E1000_TXDCTL_COUNT_DESC);
ew32(TXDCTL(1), reg_data);
break;
}
......@@ -1530,7 +1529,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
status = er32(STATUS);
er32(RXCW);
/* SYNCH bit and IV bit are sticky */
udelay(10);
usleep_range(10, 20);
rxcw = er32(RXCW);
if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) {
......@@ -1633,7 +1632,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
* the IV bit and restart Autoneg
*/
for (i = 0; i < AN_RETRY_COUNT; i++) {
udelay(10);
usleep_range(10, 20);
rxcw = er32(RXCW);
if ((rxcw & E1000_RXCW_SYNCH) &&
(rxcw & E1000_RXCW_C))
......@@ -2066,4 +2065,3 @@ const struct e1000_info e1000_82583_info = {
.phy_ops = &e82_phy_ops_bm,
.nvm_ops = &e82571_nvm_ops,
};
drivers/net/ethernet/intel/e1000e/82571.h
View file @ 0bcf6aa7
......@@ -44,6 +44,8 @@
#define E1000_EIAC_82574 0x000DC /* Ext. Interrupt Auto Clear - RW */
#define E1000_EIAC_MASK_82574 0x01F00000
#define E1000_IVAR_INT_ALLOC_VALID 0x8
/* Manageability Operation Mode mask */
#define E1000_NVM_INIT_CTRL2_MNGM 0x6000
......
drivers/net/ethernet/intel/e1000e/defines.h
View file @ 0bcf6aa7
......@@ -66,7 +66,7 @@
#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000
#define E1000_CTRL_EXT_EIAME 0x01000000
#define E1000_CTRL_EXT_DRV_LOAD 0x10000000 /* Driver loaded bit for FW */
#define E1000_CTRL_EXT_IAME 0x08000000 /* Interrupt acknowledge Auto-mask */
#define E1000_CTRL_EXT_IAME 0x08000000 /* Int ACK Auto-mask */
#define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */
#define E1000_CTRL_EXT_LSECCK 0x00001000
#define E1000_CTRL_EXT_PHYPDEN 0x00100000
......@@ -216,6 +216,8 @@
#define E1000_CTRL_MEHE 0x00080000 /* Memory Error Handling Enable */
#define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
#define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
#define E1000_CTRL_ADVD3WUC 0x00100000 /* D3 WUC */
#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 /* PHY PM enable */
#define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
#define E1000_CTRL_RST 0x04000000 /* Global reset */
#define E1000_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
......@@ -239,12 +241,11 @@
#define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
#define E1000_STATUS_LAN_INIT_DONE 0x00000200 /* Lan Init Completion by NVM */
#define E1000_STATUS_PHYRA 0x00000400 /* PHY Reset Asserted */
#define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000 /* Status of Master requests. */
#define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000 /* Master Req status */
#define HALF_DUPLEX 1
#define FULL_DUPLEX 2
#define ADVERTISE_10_HALF 0x0001
#define ADVERTISE_10_FULL 0x0002
#define ADVERTISE_100_HALF 0x0004
......@@ -311,6 +312,7 @@
/* SerDes Control */
#define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
#define E1000_SCTL_ENABLE_SERDES_LOOPBACK 0x0410
/* Receive Checksum Control */
#define E1000_RXCSUM_TUOFL 0x00000200 /* TCP / UDP checksum offload */
......@@ -400,7 +402,8 @@
#define E1000_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */
#define E1000_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */
#define E1000_ICR_ECCER 0x00400000 /* Uncorrectable ECC Error */
#define E1000_ICR_INT_ASSERTED 0x80000000 /* If this bit asserted, the driver should claim the interrupt */
/* If this bit asserted, the driver should claim the interrupt */
#define E1000_ICR_INT_ASSERTED 0x80000000
#define E1000_ICR_RXQ0 0x00100000 /* Rx Queue 0 Interrupt */
#define E1000_ICR_RXQ1 0x00200000 /* Rx Queue 1 Interrupt */
#define E1000_ICR_TXQ0 0x00400000 /* Tx Queue 0 Interrupt */
......@@ -583,13 +586,13 @@
#define E1000_EECD_SEC1VAL 0x00400000 /* Sector One Valid */
#define E1000_EECD_SEC1VAL_VALID_MASK (E1000_EECD_AUTO_RD | E1000_EECD_PRES)
#define E1000_NVM_RW_REG_DATA 16 /* Offset to data in NVM read/write registers */
#define E1000_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */
#define E1000_NVM_RW_REG_START 1 /* Start operation */
#define E1000_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
#define E1000_NVM_POLL_WRITE 1 /* Flag for polling for write complete */
#define E1000_NVM_POLL_READ 0 /* Flag for polling for read complete */
#define E1000_FLASH_UPDATES 2000
#define E1000_NVM_RW_REG_DATA 16 /* Offset to data in NVM r/w regs */
#define E1000_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */
#define E1000_NVM_RW_REG_START 1 /* Start operation */
#define E1000_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
#define E1000_NVM_POLL_WRITE 1 /* Flag for polling write complete */
#define E1000_NVM_POLL_READ 0 /* Flag for polling read complete */
#define E1000_FLASH_UPDATES 2000
/* NVM Word Offsets */
#define NVM_COMPAT 0x0003
......
drivers/net/ethernet/intel/e1000e/e1000.h
View file @ 0bcf6aa7
......@@ -61,7 +61,6 @@ struct e1000_info;
#define e_notice(format, arg...) \
netdev_notice(adapter->netdev, format, ## arg)
/* Interrupt modes, as used by the IntMode parameter */
#define E1000E_INT_MODE_LEGACY 0
#define E1000E_INT_MODE_MSI 1
......@@ -239,9 +238,8 @@ struct e1000_adapter {
u16 tx_itr;
u16 rx_itr;
/* Tx */
struct e1000_ring *tx_ring /* One per active queue */
____cacheline_aligned_in_smp;
/* Tx - one ring per active queue */
struct e1000_ring *tx_ring ____cacheline_aligned_in_smp;
u32 tx_fifo_limit;
struct napi_struct napi;
......@@ -487,8 +485,8 @@ extern int e1000e_setup_tx_resources(struct e1000_ring *ring);
extern void e1000e_free_rx_resources(struct e1000_ring *ring);
extern void e1000e_free_tx_resources(struct e1000_ring *ring);
extern struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64
*stats);
struct rtnl_link_stats64
*stats);
extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter);
extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter);
extern void e1000e_get_hw_control(struct e1000_adapter *adapter);
......@@ -558,12 +556,14 @@ static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
return hw->nvm.ops.update(hw);
}
static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words,
u16 *data)
{
return hw->nvm.ops.read(hw, offset, words, data);
}
static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words,
u16 *data)
{
return hw->nvm.ops.write(hw, offset, words, data);
}
......@@ -597,7 +597,7 @@ static inline s32 __ew32_prepare(struct e1000_hw *hw)
s32 i = E1000_ICH_FWSM_PCIM2PCI_COUNT;
while ((er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI) && --i)
udelay(50);
usleep_range(50, 100);
return i;
}
......
drivers/net/ethernet/intel/e1000e/ethtool.c
View file @ 0bcf6aa7
This diff is collapsed.
drivers/net/ethernet/intel/e1000e/hw.h
View file @ 0bcf6aa7
......@@ -167,7 +167,7 @@ enum e1000_1000t_rx_status {
e1000_1000t_rx_status_undefined = 0xFF
};
enum e1000_rev_polarity{
enum e1000_rev_polarity {
e1000_rev_polarity_normal = 0,
e1000_rev_polarity_reversed,
e1000_rev_polarity_undefined = 0xFF
......@@ -545,7 +545,7 @@ struct e1000_mac_info {
u16 mta_reg_count;
/* Maximum size of the MTA register table in all supported adapters */
#define MAX_MTA_REG 128
#define MAX_MTA_REG 128
u32 mta_shadow[MAX_MTA_REG];
u16 rar_entry_count;
......
drivers/net/ethernet/intel/e1000e/ich8lan.c
View file @ 0bcf6aa7
This diff is collapsed.
drivers/net/ethernet/intel/e1000e/mac.c
View file @ 0bcf6aa7
......@@ -596,7 +596,7 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
* serdes media type.
*/
/* SYNCH bit and IV bit are sticky. */
udelay(10);
usleep_range(10, 20);
rxcw = er32(RXCW);
if (rxcw & E1000_RXCW_SYNCH) {
if (!(rxcw & E1000_RXCW_IV)) {
......@@ -613,7 +613,7 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
status = er32(STATUS);
if (status & E1000_STATUS_LU) {
/* SYNCH bit and IV bit are sticky, so reread rxcw. */
udelay(10);
usleep_range(10, 20);
rxcw = er32(RXCW);
if (rxcw & E1000_RXCW_SYNCH) {
if (!(rxcw & E1000_RXCW_IV)) {
......@@ -1382,7 +1382,7 @@ s32 e1000e_get_hw_semaphore(struct e1000_hw *hw)
if (!(swsm & E1000_SWSM_SMBI))
break;
udelay(50);
usleep_range(50, 100);
i++;
}
......@@ -1400,7 +1400,7 @@ s32 e1000e_get_hw_semaphore(struct e1000_hw *hw)
if (er32(SWSM) & E1000_SWSM_SWESMBI)
break;
udelay(50);
usleep_range(50, 100);
}
if (i == timeout) {
......@@ -1712,7 +1712,7 @@ s32 e1000e_disable_pcie_master(struct e1000_hw *hw)
while (timeout) {
if (!(er32(STATUS) & E1000_STATUS_GIO_MASTER_ENABLE))
break;
udelay(100);
usleep_range(100, 200);
timeout--;
}
......
drivers/net/ethernet/intel/e1000e/netdev.c
View file @ 0bcf6aa7
This diff is collapsed.
drivers/net/ethernet/intel/e1000e/nvm.c
View file @ 0bcf6aa7
......@@ -630,7 +630,7 @@ void e1000e_reload_nvm_generic(struct e1000_hw *hw)
{
u32 ctrl_ext;
udelay(10);
usleep_range(10, 20);
ctrl_ext = er32(CTRL_EXT);
ctrl_ext |= E1000_CTRL_EXT_EE_RST;
ew32(CTRL_EXT, ctrl_ext);
......
drivers/net/ethernet/intel/e1000e/param.c
View file @ 0bcf6aa7
......@@ -45,7 +45,7 @@
unsigned int copybreak = COPYBREAK_DEFAULT;
module_param(copybreak, uint, 0644);
MODULE_PARM_DESC(copybreak,
"Maximum size of packet that is copied to a new buffer on receive");
"Maximum size of packet that is copied to a new buffer on receive");
/* All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
......@@ -143,7 +143,8 @@ E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
*
* Default Value: 1 (enabled)
*/
E1000_PARAM(WriteProtectNVM, "Write-protect NVM [WARNING: disabling this can lead to corrupted NVM]");
E1000_PARAM(WriteProtectNVM,
"Write-protect NVM [WARNING: disabling this can lead to corrupted NVM]");
/* Enable CRC Stripping
*
......@@ -160,13 +161,18 @@ struct e1000_option {
const char *err;
int def;
union {
struct { /* range_option info */
/* range_option info */
struct {
int min;
int max;
} r;
struct { /* list_option info */
/* list_option info */
struct {
int nr;
struct e1000_opt_list { int i; char *str; } *p;
struct e1000_opt_list {
int i;
char *str;
} *p;
} l;
} arg;
};
......@@ -246,7 +252,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
"Using defaults for all values\n");
}
{ /* Transmit Interrupt Delay */
/* Transmit Interrupt Delay */
{
static const struct e1000_option opt = {
.type = range_option,
.name = "Transmit Interrupt Delay",
......@@ -265,7 +272,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
adapter->tx_int_delay = opt.def;
}
}
{ /* Transmit Absolute Interrupt Delay */
/* Transmit Absolute Interrupt Delay */
{
static const struct e1000_option opt = {
.type = range_option,
.name = "Transmit Absolute Interrupt Delay",
......@@ -284,7 +292,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
adapter->tx_abs_int_delay = opt.def;
}
}
{ /* Receive Interrupt Delay */
/* Receive Interrupt Delay */
{
static struct e1000_option opt = {
.type = range_option,
.name = "Receive Interrupt Delay",
......@@ -303,7 +312,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
adapter->rx_int_delay = opt.def;
}
}
{ /* Receive Absolute Interrupt Delay */
/* Receive Absolute Interrupt Delay */
{
static const struct e1000_option opt = {
.type = range_option,
.name = "Receive Absolute Interrupt Delay",
......@@ -322,7 +332,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
adapter->rx_abs_int_delay = opt.def;
}
}
{ /* Interrupt Throttling Rate */
/* Interrupt Throttling Rate */
{
static const struct e1000_option opt = {
.type = range_option,
.name = "Interrupt Throttling Rate (ints/sec)",
......@@ -392,7 +403,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
break;
}
}
{ /* Interrupt Mode */
/* Interrupt Mode */
{
static struct e1000_option opt = {
.type = range_option,
.name = "Interrupt Mode",
......@@ -435,7 +447,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
kfree(opt.err);
#endif
}
{ /* Smart Power Down */
/* Smart Power Down */
{
static const struct e1000_option opt = {
.type = enable_option,
.name = "PHY Smart Power Down",
......@@ -450,7 +463,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
adapter->flags |= FLAG_SMART_POWER_DOWN;
}
}
{ /* CRC Stripping */
/* CRC Stripping */
{
static const struct e1000_option opt = {
.type = enable_option,
.name = "CRC Stripping",
......@@ -470,27 +484,28 @@ void e1000e_check_options(struct e1000_adapter *adapter)
adapter->flags2 |= FLAG2_DFLT_CRC_STRIPPING;
}
}
{ /* Kumeran Lock Loss Workaround */
/* Kumeran Lock Loss Workaround */
{
static const struct e1000_option opt = {
.type = enable_option,
.name = "Kumeran Lock Loss Workaround",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
bool enabled = opt.def;
if (num_KumeranLockLoss > bd) {
unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
if (hw->mac.type == e1000_ich8lan)
e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
kmrn_lock_loss);
} else {
if (hw->mac.type == e1000_ich8lan)
e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
opt.def);
enabled = kmrn_lock_loss;
}
if (hw->mac.type == e1000_ich8lan)
e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
enabled);
}
{ /* Write-protect NVM */
/* Write-protect NVM */
{
static const struct e1000_option opt = {
.type = enable_option,
.name = "Write-protect NVM",
......@@ -500,7 +515,8 @@ void e1000e_check_options(struct e1000_adapter *adapter)
if (adapter->flags & FLAG_IS_ICH) {
if (num_WriteProtectNVM > bd) {
unsigned int write_protect_nvm = WriteProtectNVM[bd];
unsigned int write_protect_nvm =
WriteProtectNVM[bd];
e1000_validate_option(&write_protect_nvm, &opt,
adapter);
if (write_protect_nvm)
......
drivers/net/ethernet/intel/e1000e/phy.c
View file @ 0bcf6aa7
This diff is collapsed.
drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
View file @ 0bcf6aa7
......@@ -44,8 +44,8 @@ struct ixgbevf_tx_buffer {
struct sk_buff *skb;
dma_addr_t dma;
unsigned long time_stamp;
union ixgbe_adv_tx_desc *next_to_watch;
u16 length;
u16 next_to_watch;
u16 mapped_as_page;
};
......
drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
View file @ 0bcf6aa7
......@@ -76,12 +76,9 @@ static const struct ixgbevf_info *ixgbevf_info_tbl[] = {
* { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
* Class, Class Mask, private data (not used) }
*/
static struct pci_device_id ixgbevf_pci_tbl[] = {
{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_VF),
board_82599_vf},
{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540_VF),
board_X540_vf},
static DEFINE_PCI_DEVICE_TABLE(ixgbevf_pci_tbl) = {
{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_VF), board_82599_vf },
{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540_VF), board_X540_vf },
/* required last entry */
{0, }
};
......@@ -190,28 +187,37 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_q_vector *q_vector,
struct ixgbevf_adapter *adapter = q_vector->adapter;
union ixgbe_adv_tx_desc *tx_desc, *eop_desc;
struct ixgbevf_tx_buffer *tx_buffer_info;
unsigned int i, eop, count = 0;
unsigned int i, count = 0;
unsigned int total_bytes = 0, total_packets = 0;
if (test_bit(__IXGBEVF_DOWN, &adapter->state))
return true;
i = tx_ring->next_to_clean;
eop = tx_ring->tx_buffer_info[i].next_to_watch;
eop_desc = IXGBEVF_TX_DESC(tx_ring, eop);
tx_buffer_info = &tx_ring->tx_buffer_info[i];
eop_desc = tx_buffer_info->next_to_watch;
while ((eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)) &&
(count < tx_ring->count)) {
do {
bool cleaned = false;
rmb(); /* read buffer_info after eop_desc */
/* eop could change between read and DD-check */
if (unlikely(eop != tx_ring->tx_buffer_info[i].next_to_watch))
goto cont_loop;
/* if next_to_watch is not set then there is no work pending */
if (!eop_desc)
break;
/* prevent any other reads prior to eop_desc */
read_barrier_depends();
/* if DD is not set pending work has not been completed */
if (!(eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)))
break;
/* clear next_to_watch to prevent false hangs */
tx_buffer_info->next_to_watch = NULL;
for ( ; !cleaned; count++) {
struct sk_buff *skb;
tx_desc = IXGBEVF_TX_DESC(tx_ring, i);
tx_buffer_info = &tx_ring->tx_buffer_info[i];
cleaned = (i == eop);
cleaned = (tx_desc == eop_desc);
skb = tx_buffer_info->skb;
if (cleaned && skb) {
......@@ -234,12 +240,12 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_q_vector *q_vector,
i++;
if (i == tx_ring->count)
i = 0;
tx_buffer_info = &tx_ring->tx_buffer_info[i];
}
cont_loop:
eop = tx_ring->tx_buffer_info[i].next_to_watch;
eop_desc = IXGBEVF_TX_DESC(tx_ring, eop);
}
eop_desc = tx_buffer_info->next_to_watch;
} while (count < tx_ring->count);
tx_ring->next_to_clean = i;
......@@ -2806,8 +2812,7 @@ static bool ixgbevf_tx_csum(struct ixgbevf_ring *tx_ring,
}
static int ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
struct sk_buff *skb, u32 tx_flags,
unsigned int first)
struct sk_buff *skb, u32 tx_flags)
{
struct ixgbevf_tx_buffer *tx_buffer_info;
unsigned int len;
......@@ -2832,7 +2837,6 @@ static int ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
size, DMA_TO_DEVICE);
if (dma_mapping_error(tx_ring->dev, tx_buffer_info->dma))
goto dma_error;
tx_buffer_info->next_to_watch = i;
len -= size;
total -= size;
......@@ -2862,7 +2866,6 @@ static int ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
tx_buffer_info->dma))
goto dma_error;
tx_buffer_info->mapped_as_page = true;
tx_buffer_info->next_to_watch = i;
len -= size;
total -= size;
......@@ -2881,8 +2884,6 @@ static int ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
else
i = i - 1;
tx_ring->tx_buffer_info[i].skb = skb;
tx_ring->tx_buffer_info[first].next_to_watch = i;
tx_ring->tx_buffer_info[first].time_stamp = jiffies;
return count;
......@@ -2891,7 +2892,6 @@ static int ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
/* clear timestamp and dma mappings for failed tx_buffer_info map */
tx_buffer_info->dma = 0;
tx_buffer_info->next_to_watch = 0;
count--;
/* clear timestamp and dma mappings for remaining portion of packet */
......@@ -2908,7 +2908,8 @@ static int ixgbevf_tx_map(struct ixgbevf_ring *tx_ring,
}
static void ixgbevf_tx_queue(struct ixgbevf_ring *tx_ring, int tx_flags,
int count, u32 paylen, u8 hdr_len)
int count, unsigned int first, u32 paylen,
u8 hdr_len)
{
union ixgbe_adv_tx_desc *tx_desc = NULL;
struct ixgbevf_tx_buffer *tx_buffer_info;
......@@ -2959,6 +2960,16 @@ static void ixgbevf_tx_queue(struct ixgbevf_ring *tx_ring, int tx_flags,
tx_desc->read.cmd_type_len |= cpu_to_le32(txd_cmd);
tx_ring->tx_buffer_info[first].time_stamp = jiffies;
/* Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,
* such as IA-64).
*/
wmb();
tx_ring->tx_buffer_info[first].next_to_watch = tx_desc;
tx_ring->next_to_use = i;
}
......@@ -3050,15 +3061,8 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
tx_flags |= IXGBE_TX_FLAGS_CSUM;
ixgbevf_tx_queue(tx_ring, tx_flags,
ixgbevf_tx_map(tx_ring, skb, tx_flags, first),
skb->len, hdr_len);
/*
* Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,
* such as IA-64).
*/
wmb();
ixgbevf_tx_map(tx_ring, skb, tx_flags),
first, skb->len, hdr_len);
writel(tx_ring->next_to_use, adapter->hw.hw_addr + tx_ring->tail);
......
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