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

hifive-unleashed-5.1
David S. Miller 2010-03-20 15:24:29 -07:00
parent 641cb85e68 af98441397
commit e77c8e83dd
37 changed files with 346 additions and 184 deletions
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14
drivers/isdn/gigaset/dummyll.c
View File

@ -57,12 +57,20 @@ void gigaset_isdn_stop(struct cardstate *cs)
{
}
int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
{
pr_info("no ISDN subsystem interface\n");
return 1;
}
void gigaset_isdn_unregister(struct cardstate *cs)
void gigaset_isdn_unregdev(struct cardstate *cs)
{
}
void gigaset_isdn_regdrv(void)
{
pr_info("no ISDN subsystem interface\n");
}
void gigaset_isdn_unregdrv(void)
{
}

24
drivers/net/arm/ks8695net.c
View File

@ -449,11 +449,10 @@ ks8695_rx_irq(int irq, void *dev_id)
}
/**
* ks8695_rx - Receive packets called by NAPI poll method
* ks8695_rx - Receive packets called by NAPI poll method
* @ksp: Private data for the KS8695 Ethernet
* @budget: The max packets would be receive
* @budget: Number of packets allowed to process
*/
static int ks8695_rx(struct ks8695_priv *ksp, int budget)
{
struct net_device *ndev = ksp->ndev;
@ -461,7 +460,6 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget)
int buff_n;
u32 flags;
int pktlen;
int last_rx_processed = -1;
int received = 0;
buff_n = ksp->next_rx_desc_read;
@ -471,6 +469,7 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget)
cpu_to_le32(RDES_OWN)))) {
rmb();
flags = le32_to_cpu(ksp->rx_ring[buff_n].status);
/* Found an SKB which we own, this means we
* received a packet
*/
@ -533,23 +532,18 @@ rx_failure:
ksp->rx_ring[buff_n].status = cpu_to_le32(RDES_OWN);
rx_finished:
received++;
/* And note this as processed so we can start
* from here next time
*/
last_rx_processed = buff_n;
buff_n = (buff_n + 1) & MAX_RX_DESC_MASK;
/*And note which RX descriptor we last did */
if (likely(last_rx_processed != -1))
ksp->next_rx_desc_read =
(last_rx_processed + 1) &
MAX_RX_DESC_MASK;
}
/* And note which RX descriptor we last did */
ksp->next_rx_desc_read = buff_n;
/* And refill the buffers */
ks8695_refill_rxbuffers(ksp);
/* Kick the RX DMA engine, in case it became
* suspended */
/* Kick the RX DMA engine, in case it became suspended */
ks8695_writereg(ksp, KS8695_DRSC, 0);
return received;
}

1
drivers/net/igb/e1000_82575.c
View File

@ -94,6 +94,7 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
case E1000_DEV_ID_82576_FIBER:
case E1000_DEV_ID_82576_SERDES:
case E1000_DEV_ID_82576_QUAD_COPPER:
case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
case E1000_DEV_ID_82576_SERDES_QUAD:
mac->type = e1000_82576;
break;

1
drivers/net/igb/e1000_hw.h
View File

@ -41,6 +41,7 @@ struct e1000_hw;
#define E1000_DEV_ID_82576_FIBER 0x10E6
#define E1000_DEV_ID_82576_SERDES 0x10E7
#define E1000_DEV_ID_82576_QUAD_COPPER 0x10E8
#define E1000_DEV_ID_82576_QUAD_COPPER_ET2 0x1526
#define E1000_DEV_ID_82576_NS 0x150A
#define E1000_DEV_ID_82576_NS_SERDES 0x1518
#define E1000_DEV_ID_82576_SERDES_QUAD 0x150D

1
drivers/net/igb/igb_main.c
View File

@ -72,6 +72,7 @@ static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER_ET2), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },

78
drivers/net/ixgbe/ixgbe_82599.c
View File

@ -39,6 +39,7 @@
#define IXGBE_82599_MC_TBL_SIZE 128
#define IXGBE_82599_VFT_TBL_SIZE 128
void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg,
@ -68,7 +69,9 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
if (hw->phy.multispeed_fiber) {
/* Set up dual speed SFP+ support */
mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber;
} else {
mac->ops.flap_tx_laser = NULL;
if ((mac->ops.get_media_type(hw) ==
ixgbe_media_type_backplane) &&
(hw->phy.smart_speed == ixgbe_smart_speed_auto ||
@ -412,6 +415,41 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
return status;
}
/**
* ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
* @hw: pointer to hardware structure
*
* When the driver changes the link speeds that it can support,
* it sets autotry_restart to true to indicate that we need to
* initiate a new autotry session with the link partner. To do
* so, we set the speed then disable and re-enable the tx laser, to
* alert the link partner that it also needs to restart autotry on its
* end. This is consistent with true clause 37 autoneg, which also
* involves a loss of signal.
**/
void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
{
u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n");
if (hw->mac.autotry_restart) {
/* Disable tx laser; allow 100us to go dark per spec */
esdp_reg |= IXGBE_ESDP_SDP3;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
IXGBE_WRITE_FLUSH(hw);
udelay(100);
/* Enable tx laser; allow 100ms to light up */
esdp_reg &= ~IXGBE_ESDP_SDP3;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
IXGBE_WRITE_FLUSH(hw);
msleep(100);
hw->mac.autotry_restart = false;
}
}
/**
* ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
* @hw: pointer to hardware structure
@ -439,16 +477,6 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation);
speed &= phy_link_speed;
/*
* When the driver changes the link speeds that it can support,
* it sets autotry_restart to true to indicate that we need to
* initiate a new autotry session with the link partner. To do
* so, we set the speed then disable and re-enable the tx laser, to
* alert the link partner that it also needs to restart autotry on its
* end. This is consistent with true clause 37 autoneg, which also
* involves a loss of signal.
*/
/*
* Try each speed one by one, highest priority first. We do this in
* software because 10gb fiber doesn't support speed autonegotiation.
@ -466,6 +494,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
/* Set the module link speed */
esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
IXGBE_WRITE_FLUSH(hw);
/* Allow module to change analog characteristics (1G->10G) */
msleep(40);
@ -478,19 +507,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
return status;
/* Flap the tx laser if it has not already been done */
if (hw->mac.autotry_restart) {
/* Disable tx laser; allow 100us to go dark per spec */
esdp_reg |= IXGBE_ESDP_SDP3;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
udelay(100);
/* Enable tx laser; allow 2ms to light up per spec */
esdp_reg &= ~IXGBE_ESDP_SDP3;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
msleep(2);
hw->mac.autotry_restart = false;
}
hw->mac.ops.flap_tx_laser(hw);
/*
* Wait for the controller to acquire link. Per IEEE 802.3ap,
@ -525,6 +542,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
esdp_reg &= ~IXGBE_ESDP_SDP5;
esdp_reg |= IXGBE_ESDP_SDP5_DIR;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
IXGBE_WRITE_FLUSH(hw);
/* Allow module to change analog characteristics (10G->1G) */
msleep(40);
@ -537,19 +555,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
return status;
/* Flap the tx laser if it has not already been done */
if (hw->mac.autotry_restart) {
/* Disable tx laser; allow 100us to go dark per spec */
esdp_reg |= IXGBE_ESDP_SDP3;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
udelay(100);
/* Enable tx laser; allow 2ms to light up per spec */
esdp_reg &= ~IXGBE_ESDP_SDP3;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
msleep(2);
hw->mac.autotry_restart = false;
}
hw->mac.ops.flap_tx_laser(hw);
/* Wait for the link partner to also set speed */
msleep(100);

6
drivers/net/ixgbe/ixgbe_fcoe.c
View File

@ -614,9 +614,9 @@ int ixgbe_fcoe_enable(struct net_device *netdev)
netdev->vlan_features |= NETIF_F_FSO;
netdev->vlan_features |= NETIF_F_FCOE_MTU;
netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1;
netdev_features_change(netdev);
ixgbe_init_interrupt_scheme(adapter);
netdev_features_change(netdev);
if (netif_running(netdev))
netdev->netdev_ops->ndo_open(netdev);
@ -660,11 +660,11 @@ int ixgbe_fcoe_disable(struct net_device *netdev)
netdev->vlan_features &= ~NETIF_F_FSO;
netdev->vlan_features &= ~NETIF_F_FCOE_MTU;
netdev->fcoe_ddp_xid = 0;
netdev_features_change(netdev);
ixgbe_cleanup_fcoe(adapter);
ixgbe_init_interrupt_scheme(adapter);
netdev_features_change(netdev);
if (netif_running(netdev))
netdev->netdev_ops->ndo_open(netdev);
rc = 0;

22
drivers/net/ixgbe/ixgbe_main.c
View File

@ -935,10 +935,12 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
if (skb->prev)
skb = ixgbe_transform_rsc_queue(skb, &(rx_ring->rsc_count));
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
if (IXGBE_RSC_CB(skb)->dma)
if (IXGBE_RSC_CB(skb)->dma) {
pci_unmap_single(pdev, IXGBE_RSC_CB(skb)->dma,
rx_ring->rx_buf_len,
PCI_DMA_FROMDEVICE);
IXGBE_RSC_CB(skb)->dma = 0;
}
if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED)
rx_ring->rsc_count += skb_shinfo(skb)->nr_frags;
else
@ -3126,10 +3128,12 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
rx_buffer_info->skb = NULL;
do {
struct sk_buff *this = skb;
if (IXGBE_RSC_CB(this)->dma)
if (IXGBE_RSC_CB(this)->dma) {
pci_unmap_single(pdev, IXGBE_RSC_CB(this)->dma,
rx_ring->rx_buf_len,
PCI_DMA_FROMDEVICE);
IXGBE_RSC_CB(this)->dma = 0;
}
skb = skb->prev;
dev_kfree_skb(this);
} while (skb);
@ -5018,6 +5022,7 @@ static void ixgbe_multispeed_fiber_task(struct work_struct *work)
autoneg = hw->phy.autoneg_advertised;
if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
hw->mac.autotry_restart = false;
if (hw->mac.ops.setup_link)
hw->mac.ops.setup_link(hw, autoneg, negotiation, true);
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
@ -6245,9 +6250,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
case IXGBE_DEV_ID_82599_KX4:
adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX |
IXGBE_WUFC_MC | IXGBE_WUFC_BC);
/* Enable ACPI wakeup in GRC */
IXGBE_WRITE_REG(hw, IXGBE_GRC,
(IXGBE_READ_REG(hw, IXGBE_GRC) & ~IXGBE_GRC_APME));
break;
default:
adapter->wol = 0;
@ -6380,6 +6382,16 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
del_timer_sync(&adapter->sfp_timer);
cancel_work_sync(&adapter->watchdog_task);
cancel_work_sync(&adapter->sfp_task);
if (adapter->hw.phy.multispeed_fiber) {
struct ixgbe_hw *hw = &adapter->hw;
/*
* Restart clause 37 autoneg, disable and re-enable
* the tx laser, to clear & alert the link partner
* that it needs to restart autotry
*/
hw->mac.autotry_restart = true;
hw->mac.ops.flap_tx_laser(hw);
}
cancel_work_sync(&adapter->multispeed_fiber_task);
cancel_work_sync(&adapter->sfp_config_module_task);
if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||

1
drivers/net/ixgbe/ixgbe_type.h
View File

@ -2397,6 +2397,7 @@ struct ixgbe_mac_operations {
s32 (*enable_rx_dma)(struct ixgbe_hw *, u32);
/* Link */
void (*flap_tx_laser)(struct ixgbe_hw *);
s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,

42
drivers/net/ixgbevf/ethtool.c
View File

@ -46,22 +46,32 @@ struct ixgbe_stats {
int sizeof_stat;
int stat_offset;
int base_stat_offset;
int saved_reset_offset;
};
#define IXGBEVF_STAT(m, b) sizeof(((struct ixgbevf_adapter *)0)->m), \
offsetof(struct ixgbevf_adapter, m), \
offsetof(struct ixgbevf_adapter, b)
#define IXGBEVF_STAT(m, b, r) sizeof(((struct ixgbevf_adapter *)0)->m), \
offsetof(struct ixgbevf_adapter, m), \
offsetof(struct ixgbevf_adapter, b), \
offsetof(struct ixgbevf_adapter, r)
static struct ixgbe_stats ixgbe_gstrings_stats[] = {
{"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc)},
{"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc)},
{"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc)},
{"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc)},
{"tx_busy", IXGBEVF_STAT(tx_busy, zero_base)},
{"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc)},
{"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base)},
{"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base)},
{"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base)},
{"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base)},
{"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc,
stats.saved_reset_vfgprc)},
{"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc,
stats.saved_reset_vfgptc)},
{"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc,
stats.saved_reset_vfgorc)},
{"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc,
stats.saved_reset_vfgotc)},
{"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)},
{"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc,
stats.saved_reset_vfmprc)},
{"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base,
zero_base)},
{"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base,
zero_base)},
{"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base,
zero_base)},
{"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base, zero_base)},
};
#define IXGBE_QUEUE_STATS_LEN 0
@ -455,10 +465,14 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
ixgbe_gstrings_stats[i].stat_offset;
char *b = (char *)adapter +
ixgbe_gstrings_stats[i].base_stat_offset;
char *r = (char *)adapter +
ixgbe_gstrings_stats[i].saved_reset_offset;
data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p) -
((ixgbe_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)b : *(u32 *)b);
sizeof(u64)) ? *(u64 *)b : *(u32 *)b) +
((ixgbe_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)r : *(u32 *)r);
}
}

74
drivers/net/ixgbevf/ixgbevf_main.c
View File

@ -965,7 +965,7 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
if ((msg & IXGBE_MBVFICR_VFREQ_MASK) == IXGBE_PF_CONTROL_MSG)
mod_timer(&adapter->watchdog_timer,
round_jiffies(jiffies + 10));
round_jiffies(jiffies + 1));
return IRQ_HANDLED;
}
@ -1610,6 +1610,44 @@ static inline void ixgbevf_rx_desc_queue_enable(struct ixgbevf_adapter *adapter,
(adapter->rx_ring[rxr].count - 1));
}
static void ixgbevf_save_reset_stats(struct ixgbevf_adapter *adapter)
{
/* Only save pre-reset stats if there are some */
if (adapter->stats.vfgprc || adapter->stats.vfgptc) {
adapter->stats.saved_reset_vfgprc += adapter->stats.vfgprc -
adapter->stats.base_vfgprc;
adapter->stats.saved_reset_vfgptc += adapter->stats.vfgptc -
adapter->stats.base_vfgptc;
adapter->stats.saved_reset_vfgorc += adapter->stats.vfgorc -
adapter->stats.base_vfgorc;
adapter->stats.saved_reset_vfgotc += adapter->stats.vfgotc -
adapter->stats.base_vfgotc;
adapter->stats.saved_reset_vfmprc += adapter->stats.vfmprc -
adapter->stats.base_vfmprc;
}
}
static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
adapter->stats.last_vfgorc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
adapter->stats.last_vfgotc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);
adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
}
static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
@ -1656,6 +1694,9 @@ static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
/* enable transmits */
netif_tx_start_all_queues(netdev);
ixgbevf_save_reset_stats(adapter);
ixgbevf_init_last_counter_stats(adapter);
/* bring the link up in the watchdog, this could race with our first
* link up interrupt but shouldn't be a problem */
adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
@ -2228,27 +2269,6 @@ out:
return err;
}
static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
adapter->stats.last_vfgorc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
adapter->stats.last_vfgotc |=
(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);
adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
}
#define UPDATE_VF_COUNTER_32bit(reg, last_counter, counter) \
{ \
u32 current_counter = IXGBE_READ_REG(hw, reg); \
@ -2399,7 +2419,7 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
if (!netif_carrier_ok(netdev)) {
hw_dbg(&adapter->hw, "NIC Link is Up %s, ",
((link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
"10 Gbps" : "1 Gbps"));
"10 Gbps\n" : "1 Gbps\n"));
netif_carrier_on(netdev);
netif_tx_wake_all_queues(netdev);
} else {
@ -2416,9 +2436,9 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
}
}
pf_has_reset:
ixgbevf_update_stats(adapter);
pf_has_reset:
/* Force detection of hung controller every watchdog period */
adapter->detect_tx_hung = true;
@ -2675,7 +2695,7 @@ static int ixgbevf_open(struct net_device *netdev)
if (hw->adapter_stopped) {
err = IXGBE_ERR_MBX;
printk(KERN_ERR "Unable to start - perhaps the PF"
"Driver isn't up yet\n");
" Driver isn't up yet\n");
goto err_setup_reset;
}
}
@ -3390,8 +3410,6 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
/* setup the private structure */
err = ixgbevf_sw_init(adapter);
ixgbevf_init_last_counter_stats(adapter);
#ifdef MAX_SKB_FRAGS
netdev->features = NETIF_F_SG |
NETIF_F_IP_CSUM |
@ -3449,6 +3467,8 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
adapter->netdev_registered = true;
ixgbevf_init_last_counter_stats(adapter);
/* print the MAC address */
hw_dbg(hw, "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
netdev->dev_addr[0],

6
drivers/net/ixgbevf/vf.h
View File

@ -157,6 +157,12 @@ struct ixgbevf_hw_stats {
u64 vfgorc;
u64 vfgotc;
u64 vfmprc;
u64 saved_reset_vfgprc;
u64 saved_reset_vfgptc;
u64 saved_reset_vfgorc;
u64 saved_reset_vfgotc;
u64 saved_reset_vfmprc;
};
struct ixgbevf_info {

35
drivers/net/jme.c
View File

@ -946,6 +946,8 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
jme->jme_vlan_rx(skb, jme->vlgrp,
le16_to_cpu(rxdesc->descwb.vlan));
NET_STAT(jme).rx_bytes += 4;
} else {
dev_kfree_skb(skb);
}
} else {
jme->jme_rx(skb);
@ -2081,12 +2083,45 @@ jme_tx_timeout(struct net_device *netdev)
jme_reset_link(jme);
}
static inline void jme_pause_rx(struct jme_adapter *jme)
{
atomic_dec(&jme->link_changing);
jme_set_rx_pcc(jme, PCC_OFF);
if (test_bit(JME_FLAG_POLL, &jme->flags)) {
JME_NAPI_DISABLE(jme);
} else {
tasklet_disable(&jme->rxclean_task);
tasklet_disable(&jme->rxempty_task);
}
}
static inline void jme_resume_rx(struct jme_adapter *jme)
{
struct dynpcc_info *dpi = &(jme->dpi);
if (test_bit(JME_FLAG_POLL, &jme->flags)) {
JME_NAPI_ENABLE(jme);
} else {
tasklet_hi_enable(&jme->rxclean_task);
tasklet_hi_enable(&jme->rxempty_task);
}
dpi->cur = PCC_P1;
dpi->attempt = PCC_P1;
dpi->cnt = 0;
jme_set_rx_pcc(jme, PCC_P1);
atomic_inc(&jme->link_changing);
}
static void
jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
{
struct jme_adapter *jme = netdev_priv(netdev);
jme_pause_rx(jme);
jme->vlgrp = grp;
jme_resume_rx(jme);
}
static void

2
drivers/net/jme.h
View File

@ -25,7 +25,7 @@
#define __JME_H_INCLUDED__
#define DRV_NAME "jme"
#define DRV_VERSION "1.0.5"
#define DRV_VERSION "1.0.6"
#define PFX DRV_NAME ": "
#define PCI_DEVICE_ID_JMICRON_JMC250 0x0250

1
drivers/net/ks8851.c
View File

@ -966,7 +966,6 @@ static void ks8851_set_rx_mode(struct net_device *dev)
crc >>= (32 - 6); /* get top six bits */
rxctrl.mchash[crc >> 4] |= (1 << (crc & 0xf));
mcptr = mcptr->next;
}
rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXPAFMA;

18
drivers/net/usb/smsc95xx.c
View File

@ -1189,9 +1189,21 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
}
if (csum) {
u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
skb_push(skb, 4);
memcpy(skb->data, &csum_preamble, 4);
if (skb->len <= 45) {
/* workaround - hardware tx checksum does not work
* properly with extremely small packets */
long csstart = skb->csum_start - skb_headroom(skb);
__wsum calc = csum_partial(skb->data + csstart,
skb->len - csstart, 0);
*((__sum16 *)(skb->data + csstart
+ skb->csum_offset)) = csum_fold(calc);
csum = false;
} else {
u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
skb_push(skb, 4);
memcpy(skb->data, &csum_preamble, 4);
}
}
skb_push(skb, 4);

21
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -1353,25 +1353,6 @@ static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb)
return htype;
}
static bool is_pae(struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
__le16 fc;
hdr = (struct ieee80211_hdr *)skb->data;
fc = hdr->frame_control;
if (ieee80211_is_data(fc)) {
if (ieee80211_is_nullfunc(fc) ||
/* Port Access Entity (IEEE 802.1X) */
(skb->protocol == cpu_to_be16(ETH_P_PAE))) {
return true;
}
}
return false;
}
static int get_hw_crypto_keytype(struct sk_buff *skb)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@ -1696,7 +1677,7 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
goto tx_done;
}
if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && !is_pae(skb)) {
if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
/*
* Try aggregation if it's a unicast data frame
* and the destination is HT capable.

2
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@ -124,7 +124,7 @@ void iwl_free_tfds_in_queue(struct iwl_priv *priv,
if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
else {
IWL_ERR(priv, "free more than tfds_in_queue (%u:%d)\n",
IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n",
priv->stations[sta_id].tid[tid].tfds_in_queue,
freed);
priv->stations[sta_id].tid[tid].tfds_in_queue = 0;

3
drivers/net/wireless/wl12xx/wl1251_debugfs.c
View File

@ -466,7 +466,8 @@ out:
void wl1251_debugfs_reset(struct wl1251 *wl)
{
memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
if (wl->stats.fw_stats != NULL)
memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
wl->stats.retry_count = 0;
wl->stats.excessive_retries = 0;
}

10
drivers/vhost/net.c
View File

@ -125,7 +125,7 @@ static void handle_tx(struct vhost_net *net)
mutex_lock(&vq->mutex);
vhost_disable_notify(vq);
if (wmem < sock->sk->sk_sndbuf * 2)
if (wmem < sock->sk->sk_sndbuf / 2)
tx_poll_stop(net);
hdr_size = vq->hdr_size;
@ -508,12 +508,12 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
/* Verify that ring has been setup correctly. */
if (!vhost_vq_access_ok(vq)) {
r = -EFAULT;
goto err;
goto err_vq;
}
sock = get_socket(fd);
if (IS_ERR(sock)) {
r = PTR_ERR(sock);
goto err;
goto err_vq;
}
/* start polling new socket */
@ -524,12 +524,14 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
vhost_net_disable_vq(n, vq);
rcu_assign_pointer(vq->private_data, sock);
vhost_net_enable_vq(n, vq);
mutex_unlock(&vq->mutex);
done:
if (oldsock) {
vhost_net_flush_vq(n, index);
fput(oldsock->file);
}
err_vq:
mutex_unlock(&vq->mutex);
err:
mutex_unlock(&n->dev.mutex);
return r;

18
drivers/vhost/vhost.c
View File

@ -476,8 +476,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
if (r < 0)
break;
eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
if (IS_ERR(eventfp))
return PTR_ERR(eventfp);
if (IS_ERR(eventfp)) {
r = PTR_ERR(eventfp);
break;
}
if (eventfp != vq->kick) {
pollstop = filep = vq->kick;
pollstart = vq->kick = eventfp;
@ -489,8 +491,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
if (r < 0)
break;
eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
if (IS_ERR(eventfp))
return PTR_ERR(eventfp);
if (IS_ERR(eventfp)) {
r = PTR_ERR(eventfp);
break;
}
if (eventfp != vq->call) {
filep = vq->call;
ctx = vq->call_ctx;
@ -505,8 +509,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
if (r < 0)
break;
eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
if (IS_ERR(eventfp))
return PTR_ERR(eventfp);
if (IS_ERR(eventfp)) {
r = PTR_ERR(eventfp);
break;
}
if (eventfp != vq->error) {
filep = vq->error;
vq->error = eventfp;

8
include/linux/netdevice.h
View File

@ -2089,12 +2089,12 @@ static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
* duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
* ARP on active-backup slaves with arp_validate enabled.
*/
static inline int skb_bond_should_drop(struct sk_buff *skb)
static inline int skb_bond_should_drop(struct sk_buff *skb,
struct net_device *master)
{
struct net_device *dev = skb->dev;
struct net_device *master = dev->master;
if (master) {
struct net_device *dev = skb->dev;
if (master->priv_flags & IFF_MASTER_ARPMON)
dev->last_rx = jiffies;

2
include/linux/netfilter/nfnetlink.h
View File

@ -76,7 +76,7 @@ extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n);
extern int nfnetlink_has_listeners(struct net *net, unsigned int group);
extern int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group,
int echo, gfp_t flags);
extern void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error);
extern int nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error);
extern int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u_int32_t pid, int flags);
extern void nfnl_lock(void);

2
include/linux/netlink.h
View File

@ -188,7 +188,7 @@ extern int netlink_has_listeners(struct sock *sk, unsigned int group);
extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid,
__u32 group, gfp_t allocation);
extern void netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
extern int netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
extern int netlink_register_notifier(struct notifier_block *nb);
extern int netlink_unregister_notifier(struct notifier_block *nb);

6
include/net/netlink.h
View File

@ -945,7 +945,11 @@ static inline u64 nla_get_u64(const struct nlattr *nla)
*/
static inline __be64 nla_get_be64(const struct nlattr *nla)
{
return *(__be64 *) nla_data(nla);
__be64 tmp;
nla_memcpy(&tmp, nla, sizeof(tmp));
return tmp;
}
/**

4
net/8021q/vlan_core.c
View File

@ -11,7 +11,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
if (netpoll_rx(skb))
return NET_RX_DROP;
if (skb_bond_should_drop(skb))
if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
goto drop;
skb->skb_iif = skb->dev->ifindex;
@ -83,7 +83,7 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
{
struct sk_buff *p;
if (skb_bond_should_drop(skb))
if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
goto drop;
skb->skb_iif = skb->dev->ifindex;

8
net/core/dev.c
View File

@ -2622,6 +2622,7 @@ int __netif_receive_skb(struct sk_buff *skb)
{
struct packet_type *ptype, *pt_prev;
struct net_device *orig_dev;
struct net_device *master;
struct net_device *null_or_orig;
struct net_device *null_or_bond;
int ret = NET_RX_DROP;
@ -2642,11 +2643,12 @@ int __netif_receive_skb(struct sk_buff *skb)
null_or_orig = NULL;
orig_dev = skb->dev;
if (orig_dev->master) {
if (skb_bond_should_drop(skb))
master = ACCESS_ONCE(orig_dev->master);
if (master) {
if (skb_bond_should_drop(skb, master))
null_or_orig = orig_dev; /* deliver only exact match */
else
skb->dev = orig_dev->master;
skb->dev = master;
}
__get_cpu_var(netdev_rx_stat).total++;

3
net/ipv4/ipmr.c
View File

@ -802,6 +802,9 @@ static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
int line;
struct mfc_cache *uc, *c, **cp;
if (mfc->mfcc_parent >= MAXVIFS)
return -ENFILE;
line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
for (cp = &net->ipv4.mfc_cache_array[line];

14
net/ipv4/route.c
View File

@ -1441,7 +1441,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
dev_hold(rt->u.dst.dev);
if (rt->idev)
in_dev_hold(rt->idev);
rt->u.dst.obsolete = 0;
rt->u.dst.obsolete = -1;
rt->u.dst.lastuse = jiffies;
rt->u.dst.path = &rt->u.dst;
rt->u.dst.neighbour = NULL;
@ -1506,7 +1506,7 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
struct dst_entry *ret = dst;
if (rt) {
if (dst->obsolete) {
if (dst->obsolete > 0) {
ip_rt_put(rt);
ret = NULL;
} else if ((rt->rt_flags & RTCF_REDIRECTED) ||
@ -1726,7 +1726,9 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
{
return NULL;
if (rt_is_expired((struct rtable *)dst))
return NULL;
return dst;
}
static void ipv4_dst_destroy(struct dst_entry *dst)
@ -1888,7 +1890,8 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
if (!rth)
goto e_nobufs;
rth->u.dst.output= ip_rt_bug;
rth->u.dst.output = ip_rt_bug;
rth->u.dst.obsolete = -1;
atomic_set(&rth->u.dst.__refcnt, 1);
rth->u.dst.flags= DST_HOST;
@ -2054,6 +2057,7 @@ static int __mkroute_input(struct sk_buff *skb,
rth->fl.oif = 0;
rth->rt_spec_dst= spec_dst;
rth->u.dst.obsolete = -1;
rth->u.dst.input = ip_forward;
rth->u.dst.output = ip_output;
rth->rt_genid = rt_genid(dev_net(rth->u.dst.dev));
@ -2218,6 +2222,7 @@ local_input:
goto e_nobufs;
rth->u.dst.output= ip_rt_bug;
rth->u.dst.obsolete = -1;
rth->rt_genid = rt_genid(net);
atomic_set(&rth->u.dst.__refcnt, 1);
@ -2444,6 +2449,7 @@ static int __mkroute_output(struct rtable **result,
rth->rt_spec_dst= fl->fl4_src;
rth->u.dst.output=ip_output;
rth->u.dst.obsolete = -1;
rth->rt_genid = rt_genid(dev_net(dev_out));
RT_CACHE_STAT_INC(out_slow_tot);

65
net/ipv4/tcp.c
View File

@ -429,7 +429,7 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
if (tp->urg_seq == tp->copied_seq &&
!sock_flag(sk, SOCK_URGINLINE) &&
tp->urg_data)
target--;
target++;
/* Potential race condition. If read of tp below will
* escape above sk->sk_state, we can be illegally awaken
@ -1254,6 +1254,39 @@ static void tcp_prequeue_process(struct sock *sk)
tp->ucopy.memory = 0;
}
#ifdef CONFIG_NET_DMA
static void tcp_service_net_dma(struct sock *sk, bool wait)
{
dma_cookie_t done, used;
dma_cookie_t last_issued;
struct tcp_sock *tp = tcp_sk(sk);
if (!tp->ucopy.dma_chan)
return;
last_issued = tp->ucopy.dma_cookie;
dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
do {
if (dma_async_memcpy_complete(tp->ucopy.dma_chan,
last_issued, &done,
&used) == DMA_SUCCESS) {
/* Safe to free early-copied skbs now */
__skb_queue_purge(&sk->sk_async_wait_queue);
break;
} else {
struct sk_buff *skb;
while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
(dma_async_is_complete(skb->dma_cookie, done,
used) == DMA_SUCCESS)) {
__skb_dequeue(&sk->sk_async_wait_queue);
kfree_skb(skb);
}
}
} while (wait);
}
#endif
static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
{
struct sk_buff *skb;
@ -1546,6 +1579,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
/* __ Set realtime policy in scheduler __ */
}
#ifdef CONFIG_NET_DMA
if (tp->ucopy.dma_chan)
dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
#endif
if (copied >= target) {
/* Do not sleep, just process backlog. */
release_sock(sk);
@ -1554,6 +1591,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
sk_wait_data(sk, &timeo);
#ifdef CONFIG_NET_DMA
tcp_service_net_dma(sk, false); /* Don't block */
tp->ucopy.wakeup = 0;
#endif
@ -1633,6 +1671,9 @@ do_prequeue:
copied = -EFAULT;
break;
}
dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
if ((offset + used) == skb->len)
copied_early = 1;
@ -1702,27 +1743,9 @@ skip_copy:
}
#ifdef CONFIG_NET_DMA
if (tp->ucopy.dma_chan) {
dma_cookie_t done, used;
tcp_service_net_dma(sk, true); /* Wait for queue to drain */
tp->ucopy.dma_chan = NULL;
dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
while (dma_async_memcpy_complete(tp->ucopy.dma_chan,
tp->ucopy.dma_cookie, &done,
&used) == DMA_IN_PROGRESS) {
/* do partial cleanup of sk_async_wait_queue */
while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
(dma_async_is_complete(skb->dma_cookie, done,
used) == DMA_SUCCESS)) {
__skb_dequeue(&sk->sk_async_wait_queue);
kfree_skb(skb);
}
}
/* Safe to free early-copied skbs now */
__skb_queue_purge(&sk->sk_async_wait_queue);
tp->ucopy.dma_chan = NULL;
}
if (tp->ucopy.pinned_list) {
dma_unpin_iovec_pages(tp->ucopy.pinned_list);
tp->ucopy.pinned_list = NULL;

3
net/ipv4/tcp_input.c
View File

@ -2511,6 +2511,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
int err;
unsigned int mss;
if (packets == 0)
return;
WARN_ON(packets > tp->packets_out);
if (tp->lost_skb_hint) {
skb = tp->lost_skb_hint;

5
net/ipv4/tcp_ipv4.c
View File

@ -370,6 +370,11 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
if (sk->sk_state == TCP_CLOSE)
goto out;
if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
goto out;
}
icsk = inet_csk(sk);
tp = tcp_sk(sk);
seq = ntohl(th->seq);

3
net/ipv6/ip6mr.c
View File

@ -1113,6 +1113,9 @@ static int ip6mr_mfc_add(struct net *net, struct mf6cctl *mfc, int mrtsock)
unsigned char ttls[MAXMIFS];
int i;
if (mfc->mf6cc_parent >= MAXMIFS)
return -ENFILE;
memset(ttls, 255, MAXMIFS);
for (i = 0; i < MAXMIFS; i++) {
if (IF_ISSET(i, &mfc->mf6cc_ifset))

2
net/ipv6/route.c
View File

@ -879,7 +879,7 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie)
rt = (struct rt6_info *) dst;
if (rt && rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
if (rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
return dst;
return NULL;

4
net/netfilter/nf_conntrack_netlink.c
View File

@ -582,7 +582,9 @@ nla_put_failure:
nlmsg_failure:
kfree_skb(skb);
errout:
nfnetlink_set_err(net, 0, group, -ENOBUFS);
if (nfnetlink_set_err(net, 0, group, -ENOBUFS) > 0)
return -ENOBUFS;
return 0;
}
#endif /* CONFIG_NF_CONNTRACK_EVENTS */

4
net/netfilter/nfnetlink.c
View File

@ -113,9 +113,9 @@ int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid,
}
EXPORT_SYMBOL_GPL(nfnetlink_send);
void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
int nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
{
netlink_set_err(net->nfnl, pid, group, error);
return netlink_set_err(net->nfnl, pid, group, error);
}
EXPORT_SYMBOL_GPL(nfnetlink_set_err);

17
net/netlink/af_netlink.c
View File

@ -1093,6 +1093,7 @@ static inline int do_one_set_err(struct sock *sk,
struct netlink_set_err_data *p)
{
struct netlink_sock *nlk = nlk_sk(sk);
int ret = 0;
if (sk == p->exclude_sk)
goto out;
@ -1104,10 +1105,15 @@ static inline int do_one_set_err(struct sock *sk,
!test_bit(p->group - 1, nlk->groups))
goto out;
if (p->code == ENOBUFS && nlk->flags & NETLINK_RECV_NO_ENOBUFS) {
ret = 1;
goto out;
}
sk->sk_err = p->code;
sk->sk_error_report(sk);
out:
return 0;
return ret;
}
/**
@ -1116,12 +1122,16 @@ out:
* @pid: the PID of a process that we want to skip (if any)
* @groups: the broadcast group that will notice the error
* @code: error code, must be negative (as usual in kernelspace)
*
* This function returns the number of broadcast listeners that have set the
* NETLINK_RECV_NO_ENOBUFS socket option.
*/
void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
int netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
{
struct netlink_set_err_data info;
struct hlist_node *node;
struct sock *sk;
int ret = 0;
info.exclude_sk = ssk;
info.pid = pid;
@ -1132,9 +1142,10 @@ void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
read_lock(&nl_table_lock);
sk_for_each_bound(sk, node, &nl_table[ssk->sk_protocol].mc_list)
do_one_set_err(sk, &info);
ret += do_one_set_err(sk, &info);
read_unlock(&nl_table_lock);
return ret;
}
EXPORT_SYMBOL(netlink_set_err);