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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next-2.6

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This commit is contained in:
David S. Miller 2011-02-24 16:29:00 -08:00
commit 290f5e3b59
11 changed files with 174 additions and 80 deletions
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7
drivers/net/igb/e1000_defines.h
View File

@ -770,4 +770,11 @@
#define E1000_PCIEMISC_LX_DECISION 0x00000080 /* Lx power decision based
on DMA coal */
/* Tx Rate-Scheduler Config fields */
#define E1000_RTTBCNRC_RS_ENA 0x80000000
#define E1000_RTTBCNRC_RF_DEC_MASK 0x00003FFF
#define E1000_RTTBCNRC_RF_INT_SHIFT 14
#define E1000_RTTBCNRC_RF_INT_MASK \
(E1000_RTTBCNRC_RF_DEC_MASK << E1000_RTTBCNRC_RF_INT_SHIFT)
#endif

4
drivers/net/igb/e1000_regs.h
View File

@ -106,6 +106,10 @@
#define E1000_RQDPC(_n) (0x0C030 + ((_n) * 0x40))
/* TX Rate Limit Registers */
#define E1000_RTTDQSEL 0x3604 /* Tx Desc Plane Queue Select - WO */
#define E1000_RTTBCNRC 0x36B0 /* Tx BCN Rate-Scheduler Config - WO */
/* Split and Replication RX Control - RW */
#define E1000_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */
/*

2
drivers/net/igb/igb.h
View File

@ -77,6 +77,7 @@ struct vf_data_storage {
unsigned long last_nack;
u16 pf_vlan; /* When set, guest VLAN config not allowed. */
u16 pf_qos;
u16 tx_rate;
};
#define IGB_VF_FLAG_CTS 0x00000001 /* VF is clear to send data */
@ -323,6 +324,7 @@ struct igb_adapter {
u16 rx_ring_count;
unsigned int vfs_allocated_count;
struct vf_data_storage *vf_data;
int vf_rate_link_speed;
u32 rss_queues;
u32 wvbr;
};

92
drivers/net/igb/igb_main.c
View File

@ -50,12 +50,12 @@
#endif
#include "igb.h"
#define DRV_VERSION "2.1.0-k2"
#define DRV_VERSION "2.4.13-k2"
char igb_driver_name[] = "igb";
char igb_driver_version[] = DRV_VERSION;
static const char igb_driver_string[] =
"Intel(R) Gigabit Ethernet Network Driver";
static const char igb_copyright[] = "Copyright (c) 2007-2009 Intel Corporation.";
static const char igb_copyright[] = "Copyright (c) 2007-2011 Intel Corporation.";
static const struct e1000_info *igb_info_tbl[] = {
[board_82575] = &e1000_82575_info,
@ -150,6 +150,7 @@ static int igb_ndo_set_vf_vlan(struct net_device *netdev,
static int igb_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate);
static int igb_ndo_get_vf_config(struct net_device *netdev, int vf,
struct ifla_vf_info *ivi);
static void igb_check_vf_rate_limit(struct igb_adapter *);
#ifdef CONFIG_PM
static int igb_suspend(struct pci_dev *, pm_message_t);
@ -3511,6 +3512,7 @@ static void igb_watchdog_task(struct work_struct *work)
netif_carrier_on(netdev);
igb_ping_all_vfs(adapter);
igb_check_vf_rate_limit(adapter);
/* link state has changed, schedule phy info update */
if (!test_bit(__IGB_DOWN, &adapter->state))
@ -6599,9 +6601,91 @@ static int igb_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
return igb_set_vf_mac(adapter, vf, mac);
}
static int igb_link_mbps(int internal_link_speed)
{
switch (internal_link_speed) {
case SPEED_100:
return 100;
case SPEED_1000:
return 1000;
default:
return 0;
}
}
static void igb_set_vf_rate_limit(struct e1000_hw *hw, int vf, int tx_rate,
int link_speed)
{
int rf_dec, rf_int;
u32 bcnrc_val;
if (tx_rate != 0) {
/* Calculate the rate factor values to set */
rf_int = link_speed / tx_rate;
rf_dec = (link_speed - (rf_int * tx_rate));
rf_dec = (rf_dec * (1<<E1000_RTTBCNRC_RF_INT_SHIFT)) / tx_rate;
bcnrc_val = E1000_RTTBCNRC_RS_ENA;
bcnrc_val |= ((rf_int<<E1000_RTTBCNRC_RF_INT_SHIFT) &
E1000_RTTBCNRC_RF_INT_MASK);
bcnrc_val |= (rf_dec & E1000_RTTBCNRC_RF_DEC_MASK);
} else {
bcnrc_val = 0;
}
wr32(E1000_RTTDQSEL, vf); /* vf X uses queue X */
wr32(E1000_RTTBCNRC, bcnrc_val);
}
static void igb_check_vf_rate_limit(struct igb_adapter *adapter)
{
int actual_link_speed, i;
bool reset_rate = false;
/* VF TX rate limit was not set or not supported */
if ((adapter->vf_rate_link_speed == 0) ||
(adapter->hw.mac.type != e1000_82576))
return;
actual_link_speed = igb_link_mbps(adapter->link_speed);
if (actual_link_speed != adapter->vf_rate_link_speed) {
reset_rate = true;
adapter->vf_rate_link_speed = 0;
dev_info(&adapter->pdev->dev,
"Link speed has been changed. VF Transmit "
"rate is disabled\n");
}
for (i = 0; i < adapter->vfs_allocated_count; i++) {
if (reset_rate)
adapter->vf_data[i].tx_rate = 0;
igb_set_vf_rate_limit(&adapter->hw, i,
adapter->vf_data[i].tx_rate,
actual_link_speed);
}
}
static int igb_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate)
{
return -EOPNOTSUPP;
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
int actual_link_speed;
if (hw->mac.type != e1000_82576)
return -EOPNOTSUPP;
actual_link_speed = igb_link_mbps(adapter->link_speed);
if ((vf >= adapter->vfs_allocated_count) ||
(!(rd32(E1000_STATUS) & E1000_STATUS_LU)) ||
(tx_rate < 0) || (tx_rate > actual_link_speed))
return -EINVAL;
adapter->vf_rate_link_speed = actual_link_speed;
adapter->vf_data[vf].tx_rate = (u16)tx_rate;
igb_set_vf_rate_limit(hw, vf, tx_rate, actual_link_speed);
return 0;
}
static int igb_ndo_get_vf_config(struct net_device *netdev,
@ -6612,7 +6696,7 @@ static int igb_ndo_get_vf_config(struct net_device *netdev,
return -EINVAL;
ivi->vf = vf;
memcpy(&ivi->mac, adapter->vf_data[vf].vf_mac_addresses, ETH_ALEN);
ivi->tx_rate = 0;
ivi->tx_rate = adapter->vf_data[vf].tx_rate;
ivi->vlan = adapter->vf_data[vf].pf_vlan;
ivi->qos = adapter->vf_data[vf].pf_qos;
return 0;

3
drivers/net/igbvf/igbvf.h
View File

@ -201,9 +201,6 @@ struct igbvf_adapter {
unsigned int restart_queue;
u32 txd_cmd;
bool detect_tx_hung;
u8 tx_timeout_factor;
u32 tx_int_delay;
u32 tx_abs_int_delay;

60
drivers/net/igbvf/netdev.c
View File

@ -396,35 +396,6 @@ static void igbvf_put_txbuf(struct igbvf_adapter *adapter,
buffer_info->time_stamp = 0;
}
static void igbvf_print_tx_hang(struct igbvf_adapter *adapter)
{
struct igbvf_ring *tx_ring = adapter->tx_ring;
unsigned int i = tx_ring->next_to_clean;
unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
union e1000_adv_tx_desc *eop_desc = IGBVF_TX_DESC_ADV(*tx_ring, eop);
/* detected Tx unit hang */
dev_err(&adapter->pdev->dev,
"Detected Tx Unit Hang:\n"
" TDH <%x>\n"
" TDT <%x>\n"
" next_to_use <%x>\n"
" next_to_clean <%x>\n"
"buffer_info[next_to_clean]:\n"
" time_stamp <%lx>\n"
" next_to_watch <%x>\n"
" jiffies <%lx>\n"
" next_to_watch.status <%x>\n",
readl(adapter->hw.hw_addr + tx_ring->head),
readl(adapter->hw.hw_addr + tx_ring->tail),
tx_ring->next_to_use,
tx_ring->next_to_clean,
tx_ring->buffer_info[eop].time_stamp,
eop,
jiffies,
eop_desc->wb.status);
}
/**
* igbvf_setup_tx_resources - allocate Tx resources (Descriptors)
* @adapter: board private structure
@ -771,7 +742,6 @@ static void igbvf_set_itr(struct igbvf_adapter *adapter)
static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring)
{
struct igbvf_adapter *adapter = tx_ring->adapter;
struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
struct igbvf_buffer *buffer_info;
struct sk_buff *skb;
@ -832,22 +802,6 @@ static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring)
}
}
if (adapter->detect_tx_hung) {
/* Detect a transmit hang in hardware, this serializes the
* check with the clearing of time_stamp and movement of i */
adapter->detect_tx_hung = false;
if (tx_ring->buffer_info[i].time_stamp &&
time_after(jiffies, tx_ring->buffer_info[i].time_stamp +
(adapter->tx_timeout_factor * HZ)) &&
!(er32(STATUS) & E1000_STATUS_TXOFF)) {
tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i);
/* detected Tx unit hang */
igbvf_print_tx_hang(adapter);
netif_stop_queue(netdev);
}
}
adapter->net_stats.tx_bytes += total_bytes;
adapter->net_stats.tx_packets += total_packets;
return count < tx_ring->count;
@ -1863,17 +1817,6 @@ static void igbvf_watchdog_task(struct work_struct *work)
&adapter->link_duplex);
igbvf_print_link_info(adapter);
/* adjust timeout factor according to speed/duplex */
adapter->tx_timeout_factor = 1;
switch (adapter->link_speed) {
case SPEED_10:
adapter->tx_timeout_factor = 16;
break;
case SPEED_100:
/* maybe add some timeout factor ? */
break;
}
netif_carrier_on(netdev);
netif_wake_queue(netdev);
}
@ -1907,9 +1850,6 @@ static void igbvf_watchdog_task(struct work_struct *work)
/* Cause software interrupt to ensure Rx ring is cleaned */
ew32(EICS, adapter->rx_ring->eims_value);
/* Force detection of hung controller every watchdog period */
adapter->detect_tx_hung = 1;
/* Reset the timer */
if (!test_bit(__IGBVF_DOWN, &adapter->state))
mod_timer(&adapter->watchdog_timer,

18
drivers/net/ixgbe/ixgbe_main.c
View File

@ -3077,6 +3077,14 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
ixgbe_configure_srrctl(adapter, ring);
ixgbe_configure_rscctl(adapter, ring);
/* If operating in IOV mode set RLPML for X540 */
if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
hw->mac.type == ixgbe_mac_X540) {
rxdctl &= ~IXGBE_RXDCTL_RLPMLMASK;
rxdctl |= ((ring->netdev->mtu + ETH_HLEN +
ETH_FCS_LEN + VLAN_HLEN) | IXGBE_RXDCTL_RLPML_EN);
}
if (hw->mac.type == ixgbe_mac_82598EB) {
/*
* enable cache line friendly hardware writes:
@ -5441,8 +5449,14 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu)
int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
/* MTU < 68 is an error and causes problems on some kernels */
if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE))
return -EINVAL;
if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED &&
hw->mac.type != ixgbe_mac_X540) {
if ((new_mtu < 68) || (max_frame > MAXIMUM_ETHERNET_VLAN_SIZE))
return -EINVAL;
} else {
if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE))
return -EINVAL;
}
e_info(probe, "changing MTU from %d to %d\n", netdev->mtu, new_mtu);
/* must set new MTU before calling down or up */

29
drivers/net/ixgbe/ixgbe_sriov.c
View File

@ -110,6 +110,33 @@ static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid,
return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
}
void ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf)
{
struct ixgbe_hw *hw = &adapter->hw;
int new_mtu = msgbuf[1];
u32 max_frs;
int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
/* Only X540 supports jumbo frames in IOV mode */
if (adapter->hw.mac.type != ixgbe_mac_X540)
return;
/* MTU < 68 is an error and causes problems on some kernels */
if ((new_mtu < 68) || (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE)) {
e_err(drv, "VF mtu %d out of range\n", new_mtu);
return;
}
max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) &
IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT;
if (max_frs < new_mtu) {
max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT;
IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
}
e_info(hw, "VF requests change max MTU to %d\n", new_mtu);
}
static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
{
u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
@ -302,7 +329,7 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
hash_list, vf);
break;
case IXGBE_VF_SET_LPE:
WARN_ON((msgbuf[0] & 0xFFFF) == IXGBE_VF_SET_LPE);
ixgbe_set_vf_lpe(adapter, msgbuf);
break;
case IXGBE_VF_SET_VLAN:
add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)

2
drivers/net/ixgbe/ixgbe_type.h
View File

@ -1680,6 +1680,8 @@
#define IXGBE_RXCTRL_DMBYPS 0x00000002 /* Descriptor Monitor Bypass */
#define IXGBE_RXDCTL_ENABLE 0x02000000 /* Enable specific Rx Queue */
#define IXGBE_RXDCTL_VME 0x40000000 /* VLAN mode enable */
#define IXGBE_RXDCTL_RLPMLMASK 0x00003FFF /* Only supported on the X540 */
#define IXGBE_RXDCTL_RLPML_EN 0x00008000
#define IXGBE_FCTRL_SBP 0x00000002 /* Store Bad Packet */
#define IXGBE_FCTRL_MPE 0x00000100 /* Multicast Promiscuous Ena*/

2
drivers/net/ixgbevf/defines.h
View File

@ -65,6 +65,8 @@ typedef u32 ixgbe_link_speed;
#define IXGBE_RXCTRL_DMBYPS 0x00000002 /* Descriptor Monitor Bypass */
#define IXGBE_RXDCTL_ENABLE 0x02000000 /* Enable specific Rx Queue */
#define IXGBE_RXDCTL_VME 0x40000000 /* VLAN mode enable */
#define IXGBE_RXDCTL_RLPMLMASK 0x00003FFF /* Only supported on the X540 */
#define IXGBE_RXDCTL_RLPML_EN 0x00008000
/* DCA Control */
#define IXGBE_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */

35
drivers/net/ixgbevf/ixgbevf_main.c
View File

@ -51,7 +51,7 @@ char ixgbevf_driver_name[] = "ixgbevf";
static const char ixgbevf_driver_string[] =
"Intel(R) 82599 Virtual Function";
#define DRV_VERSION "1.0.19-k0"
#define DRV_VERSION "1.1.0-k0"
const char ixgbevf_driver_version[] = DRV_VERSION;
static char ixgbevf_copyright[] =
"Copyright (c) 2009 - 2010 Intel Corporation.";
@ -107,7 +107,7 @@ static inline void ixgbevf_release_rx_desc(struct ixgbe_hw *hw,
}
/*
* ixgbe_set_ivar - set the IVAR registers, mapping interrupt causes to vectors
* ixgbevf_set_ivar - set IVAR registers - maps interrupt causes to vectors
* @adapter: pointer to adapter struct
* @direction: 0 for Rx, 1 for Tx, -1 for other causes
* @queue: queue to map the corresponding interrupt to
@ -1017,7 +1017,7 @@ static irqreturn_t ixgbevf_msix_clean_tx(int irq, void *data)
}
/**
* ixgbe_msix_clean_rx - single unshared vector rx clean (all queues)
* ixgbevf_msix_clean_rx - single unshared vector rx clean (all queues)
* @irq: unused
* @data: pointer to our q_vector struct for this interrupt vector
**/
@ -1665,6 +1665,11 @@ static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
j = adapter->rx_ring[i].reg_idx;
rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(j));
rxdctl |= IXGBE_RXDCTL_ENABLE;
if (hw->mac.type == ixgbe_mac_X540_vf) {
rxdctl &= ~IXGBE_RXDCTL_RLPMLMASK;
rxdctl |= ((netdev->mtu + ETH_HLEN + ETH_FCS_LEN) |
IXGBE_RXDCTL_RLPML_EN);
}
IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(j), rxdctl);
ixgbevf_rx_desc_queue_enable(adapter, i);
}
@ -1967,7 +1972,7 @@ static void ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
}
/*
* ixgbe_set_num_queues: Allocate queues for device, feature dependant
* ixgbevf_set_num_queues: Allocate queues for device, feature dependant
* @adapter: board private structure to initialize
*
* This is the top level queue allocation routine. The order here is very
@ -3217,10 +3222,16 @@ static int ixgbevf_set_mac(struct net_device *netdev, void *p)
static int ixgbevf_change_mtu(struct net_device *netdev, int new_mtu)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
struct ixgbe_hw *hw = &adapter->hw;
int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
int max_possible_frame = MAXIMUM_ETHERNET_VLAN_SIZE;
u32 msg[2];
if (adapter->hw.mac.type == ixgbe_mac_X540_vf)
max_possible_frame = IXGBE_MAX_JUMBO_FRAME_SIZE;
/* MTU < 68 is an error and causes problems on some kernels */
if ((new_mtu < 68) || (max_frame > MAXIMUM_ETHERNET_VLAN_SIZE))
if ((new_mtu < 68) || (max_frame > max_possible_frame))
return -EINVAL;
hw_dbg(&adapter->hw, "changing MTU from %d to %d\n",
@ -3228,6 +3239,10 @@ static int ixgbevf_change_mtu(struct net_device *netdev, int new_mtu)
/* must set new MTU before calling down or up */
netdev->mtu = new_mtu;
msg[0] = IXGBE_VF_SET_LPE;
msg[1] = max_frame;
hw->mbx.ops.write_posted(hw, msg, 2);
if (netif_running(netdev))
ixgbevf_reinit_locked(adapter);
@ -3519,9 +3534,9 @@ static struct pci_driver ixgbevf_driver = {
};
/**
* ixgbe_init_module - Driver Registration Routine
* ixgbevf_init_module - Driver Registration Routine
*
* ixgbe_init_module is the first routine called when the driver is
* ixgbevf_init_module is the first routine called when the driver is
* loaded. All it does is register with the PCI subsystem.
**/
static int __init ixgbevf_init_module(void)
@ -3539,9 +3554,9 @@ static int __init ixgbevf_init_module(void)
module_init(ixgbevf_init_module);
/**
* ixgbe_exit_module - Driver Exit Cleanup Routine
* ixgbevf_exit_module - Driver Exit Cleanup Routine
*
* ixgbe_exit_module is called just before the driver is removed
* ixgbevf_exit_module is called just before the driver is removed
* from memory.
**/
static void __exit ixgbevf_exit_module(void)
@ -3551,7 +3566,7 @@ static void __exit ixgbevf_exit_module(void)
#ifdef DEBUG
/**
* ixgbe_get_hw_dev_name - return device name string
* ixgbevf_get_hw_dev_name - return device name string
* used by hardware layer to print debugging information
**/
char *ixgbevf_get_hw_dev_name(struct ixgbe_hw *hw)