raw_spin_lock(&amd_nb_lock);
- if (--cpuhw->amd_nb->refcnt == 0)
- kfree(cpuhw->amd_nb);
+ if (cpuhw->amd_nb) {
+ if (--cpuhw->amd_nb->refcnt == 0)
+ kfree(cpuhw->amd_nb);
- cpuhw->amd_nb = NULL;
+ cpuhw->amd_nb = NULL;
+ }
raw_spin_unlock(&amd_nb_lock);
}
struct virtio_device *vdev;
struct winsize ws;
+ /* The port could have been hot-unplugged */
+ if (!port)
+ return;
+
vdev = port->portdev->vdev;
if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_SIZE)) {
vdev->config->get(vdev,
*/
err = sysfs_create_group(&port->dev->kobj,
&port_attribute_group);
- if (err)
+ if (err) {
dev_err(port->dev,
"Error %d creating sysfs device attributes\n",
err);
-
+ } else {
+ /*
+ * Generate a udev event so that appropriate
+ * symlinks can be created based on udev
+ * rules.
+ */
+ kobject_uevent(&port->dev->kobj, KOBJ_CHANGE);
+ }
break;
case VIRTIO_CONSOLE_PORT_REMOVE:
/*
if (regs->nbsh & K8_NBSH_ERR_CPU_VAL)
pr_cont(", core: %u\n", (u8)(regs->nbsh & 0xf));
} else {
- pr_cont(", core: %d\n", fls((regs->nbsh & 0xf) - 1));
+ u8 assoc_cpus = regs->nbsh & 0xf;
+
+ if (assoc_cpus > 0)
+ pr_cont(", core: %d", fls(assoc_cpus) - 1);
+
+ pr_cont("\n");
}
pr_emerg("%s.\n", EXT_ERR_MSG(xec));
}
/**
- * 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;
int buff_n;
u32 flags;
int pktlen;
- int last_rx_processed = -1;
int received = 0;
buff_n = ksp->next_rx_desc_read;
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
*/
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;
}
MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
+static void bnx2_init_napi(struct bnx2 *bp);
+
static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
{
u32 diff;
bnx2_disable_int(bp);
bnx2_setup_int_mode(bp, disable_msi);
+ bnx2_init_napi(bp);
bnx2_napi_enable(bp);
rc = bnx2_alloc_mem(bp);
if (rc)
int i;
for (i = 0; i < bp->irq_nvecs; i++) {
- disable_irq(bp->irq_tbl[i].vector);
- bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
- enable_irq(bp->irq_tbl[i].vector);
+ struct bnx2_irq *irq = &bp->irq_tbl[i];
+
+ disable_irq(irq->vector);
+ irq->handler(irq->vector, &bp->bnx2_napi[i]);
+ enable_irq(irq->vector);
}
}
#endif
{
int i;
- for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
+ for (i = 0; i < bp->irq_nvecs; i++) {
struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
int (*poll)(struct napi_struct *, int);
dev->ethtool_ops = &bnx2_ethtool_ops;
bp = netdev_priv(dev);
- bnx2_init_napi(bp);
pci_set_drvdata(pdev, dev);
#include <linux/can/dev.h>
#include <linux/can/error.h>
+#include <asm/bfin_can.h>
#include <asm/portmux.h>
#define DRV_NAME "bfin_can"
#define BFIN_CAN_TIMEOUT 100
#define TX_ECHO_SKB_MAX 1
-/*
- * transmit and receive channels
- */
-#define TRANSMIT_CHL 24
-#define RECEIVE_STD_CHL 0
-#define RECEIVE_EXT_CHL 4
-#define RECEIVE_RTR_CHL 8
-#define RECEIVE_EXT_RTR_CHL 12
-#define MAX_CHL_NUMBER 32
-
-/*
- * bfin can registers layout
- */
-struct bfin_can_mask_regs {
- u16 aml;
- u16 dummy1;
- u16 amh;
- u16 dummy2;
-};
-
-struct bfin_can_channel_regs {
- u16 data[8];
- u16 dlc;
- u16 dummy1;
- u16 tsv;
- u16 dummy2;
- u16 id0;
- u16 dummy3;
- u16 id1;
- u16 dummy4;
-};
-
-struct bfin_can_regs {
- /*
- * global control and status registers
- */
- u16 mc1; /* offset 0 */
- u16 dummy1;
- u16 md1; /* offset 4 */
- u16 rsv1[13];
- u16 mbtif1; /* offset 0x20 */
- u16 dummy2;
- u16 mbrif1; /* offset 0x24 */
- u16 dummy3;
- u16 mbim1; /* offset 0x28 */
- u16 rsv2[11];
- u16 mc2; /* offset 0x40 */
- u16 dummy4;
- u16 md2; /* offset 0x44 */
- u16 dummy5;
- u16 trs2; /* offset 0x48 */
- u16 rsv3[11];
- u16 mbtif2; /* offset 0x60 */
- u16 dummy6;
- u16 mbrif2; /* offset 0x64 */
- u16 dummy7;
- u16 mbim2; /* offset 0x68 */
- u16 rsv4[11];
- u16 clk; /* offset 0x80 */
- u16 dummy8;
- u16 timing; /* offset 0x84 */
- u16 rsv5[3];
- u16 status; /* offset 0x8c */
- u16 dummy9;
- u16 cec; /* offset 0x90 */
- u16 dummy10;
- u16 gis; /* offset 0x94 */
- u16 dummy11;
- u16 gim; /* offset 0x98 */
- u16 rsv6[3];
- u16 ctrl; /* offset 0xa0 */
- u16 dummy12;
- u16 intr; /* offset 0xa4 */
- u16 rsv7[7];
- u16 esr; /* offset 0xb4 */
- u16 rsv8[37];
-
- /*
- * channel(mailbox) mask and message registers
- */
- struct bfin_can_mask_regs msk[MAX_CHL_NUMBER]; /* offset 0x100 */
- struct bfin_can_channel_regs chl[MAX_CHL_NUMBER]; /* offset 0x200 */
-};
-
/*
* bfin can private data
*/
if (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
timing |= SAM;
- bfin_write16(®->clk, clk);
+ bfin_write16(®->clock, clk);
bfin_write16(®->timing, timing);
dev_info(dev->dev.parent, "setting CLOCK=0x%04x TIMING=0x%04x\n",
bfin_write16(®->gim, 0);
/* reset can and enter configuration mode */
- bfin_write16(®->ctrl, SRS | CCR);
+ bfin_write16(®->control, SRS | CCR);
SSYNC();
- bfin_write16(®->ctrl, CCR);
+ bfin_write16(®->control, CCR);
SSYNC();
- while (!(bfin_read16(®->ctrl) & CCA)) {
+ while (!(bfin_read16(®->control) & CCA)) {
udelay(10);
if (--timeout == 0) {
dev_err(dev->dev.parent,
/*
* leave configuration mode
*/
- bfin_write16(®->ctrl, bfin_read16(®->ctrl) & ~CCR);
+ bfin_write16(®->control, bfin_read16(®->control) & ~CCR);
while (bfin_read16(®->status) & CCA) {
udelay(10);
if (netif_running(dev)) {
/* enter sleep mode */
- bfin_write16(®->ctrl, bfin_read16(®->ctrl) | SMR);
+ bfin_write16(®->control, bfin_read16(®->control) | SMR);
SSYNC();
while (!(bfin_read16(®->intr) & SMACK)) {
udelay(10);
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;
#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
/* TX */
struct igb_ring *tx_ring[16];
- unsigned long tx_queue_len;
u32 tx_timeout_count;
/* RX */
{ 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 },
struct igb_ring *ring = adapter->rx_ring[i];
igb_alloc_rx_buffers_adv(ring, igb_desc_unused(ring));
}
-
-
- adapter->tx_queue_len = netdev->tx_queue_len;
}
/**
del_timer_sync(&adapter->watchdog_timer);
del_timer_sync(&adapter->phy_info_timer);
- netdev->tx_queue_len = adapter->tx_queue_len;
netif_carrier_off(netdev);
/* record the stats before reset*/
((ctrl & E1000_CTRL_RFCE) ? "RX" :
((ctrl & E1000_CTRL_TFCE) ? "TX" : "None")));
- /* tweak tx_queue_len according to speed/duplex and
- * adjust the timeout factor */
- netdev->tx_queue_len = adapter->tx_queue_len;
+ /* adjust timeout factor according to speed/duplex */
adapter->tx_timeout_factor = 1;
switch (adapter->link_speed) {
case SPEED_10:
- netdev->tx_queue_len = 10;
adapter->tx_timeout_factor = 14;
break;
case SPEED_100:
- netdev->tx_queue_len = 100;
/* maybe add some timeout factor ? */
break;
}
struct net_device_stats *net_stats = igb_get_stats(adapter->netdev);
struct e1000_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
- u32 rnbc, reg;
+ u32 reg, mpc;
u16 phy_tmp;
int i;
u64 bytes, packets;
adapter->stats.symerrs += rd32(E1000_SYMERRS);
adapter->stats.sec += rd32(E1000_SEC);
- adapter->stats.mpc += rd32(E1000_MPC);
+ mpc = rd32(E1000_MPC);
+ adapter->stats.mpc += mpc;
+ net_stats->rx_fifo_errors += mpc;
adapter->stats.scc += rd32(E1000_SCC);
adapter->stats.ecol += rd32(E1000_ECOL);
adapter->stats.mcc += rd32(E1000_MCC);
adapter->stats.gptc += rd32(E1000_GPTC);
adapter->stats.gotc += rd32(E1000_GOTCL);
rd32(E1000_GOTCH); /* clear GOTCL */
- rnbc = rd32(E1000_RNBC);
- adapter->stats.rnbc += rnbc;
- net_stats->rx_fifo_errors += rnbc;
+ adapter->stats.rnbc += rd32(E1000_RNBC);
adapter->stats.ruc += rd32(E1000_RUC);
adapter->stats.rfc += rd32(E1000_RFC);
adapter->stats.rjc += rd32(E1000_RJC);
{
struct igb_adapter *adapter = q_vector->adapter;
- if (vlan_tag)
+ if (vlan_tag && adapter->vlgrp)
vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
vlan_tag, skb);
else
#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,
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 ||
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
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.
/* 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);
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,
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);
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);
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);
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;
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
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);
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;
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;
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 ||
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 *,
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
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);
}
}
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;
}
(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;
/* 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;
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); \
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 {
}
}
-pf_has_reset:
ixgbevf_update_stats(adapter);
+pf_has_reset:
/* Force detection of hung controller every watchdog period */
adapter->detect_tx_hung = true;
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;
}
}
/* 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 |
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],
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 {
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);
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
#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
crc >>= (32 - 6); /* get top six bits */
rxctrl.mchash[crc >> 4] |= (1 << (crc & 0xf));
- mcptr = mcptr->next;
}
rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXPAFMA;
int len;
if (eeprom->magic != EEPROM_MAGIC)
- return 1;
+ return -EINVAL;
len = (eeprom->offset + eeprom->len + 1) / 2;
for (i = eeprom->offset / 2; i < len; i++)
int pci_func_id = PCI_FUNC(pdev->devfn);
uint8_t revision_id;
- if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
- pr_warning("%s: chip revisions between 0x%x-0x%x"
+ if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
+ pr_warning("%s: chip revisions between 0x%x-0x%x "
"will not be enabled.\n",
module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
return -ENODEV;
}
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);
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);
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.
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;
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;
}
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;
/* 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 */
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;
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;
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;
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;
if (!permits)
goto out_unlock;
- memcpy(permits->permits, xpermits->permits,
- count * sizeof(struct afs_permit));
+ if (xpermits)
+ memcpy(permits->permits, xpermits->permits,
+ count * sizeof(struct afs_permit));
_debug("key %x access %x",
key_serial(key), vnode->status.caller_access);
#define _IF_TUNNEL_H_
#include <linux/types.h>
+#include <asm/byteorder.h>
#ifdef __KERNEL__
#include <linux/ip.h>
* 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;
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);
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);
atomic_t dataref;
unsigned short nr_frags;
unsigned short gso_size;
-#ifdef CONFIG_HAS_DMA
- dma_addr_t dma_head;
-#endif
/* Warning: this field is not always filled in (UFO)! */
unsigned short gso_segs;
unsigned short gso_type;
struct sk_buff *frag_list;
struct skb_shared_hwtstamps hwtstamps;
skb_frag_t frags[MAX_SKB_FRAGS];
-#ifdef CONFIG_HAS_DMA
- dma_addr_t dma_maps[MAX_SKB_FRAGS];
-#endif
/* Intermediate layers must ensure that destructor_arg
* remains valid until skb destructor */
void * destructor_arg;
asmlinkage long sys_shmget(key_t key, size_t size, int flag);
asmlinkage long sys_shmdt(char __user *shmaddr);
asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
-asmlinkage long sys_ipc(unsigned int call, int first, int second,
+asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
unsigned long third, void __user *ptr, long fifth);
asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr);
extern int bt_sysfs_init(void);
extern void bt_sysfs_cleanup(void);
-extern struct class *bt_class;
+extern struct dentry *bt_debugfs;
#endif /* __BLUETOOTH_H */
*/
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;
}
/**
#include <linux/syscalls.h>
#include <linux/uaccess.h>
-SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, int, second,
+SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
unsigned long, third, void __user *, ptr, long, fifth)
{
int version, ret;
#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid;
#endif
+ vlandev->real_num_tx_queues = dev->real_num_tx_queues;
+ BUG_ON(vlandev->real_num_tx_queues > vlandev->num_tx_queues);
if (old_features != vlandev->features)
netdev_features_change(vlandev);
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;
{
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;
return ret;
}
+static u16 vlan_dev_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+ struct net_device *rdev = vlan_dev_info(dev)->real_dev;
+ const struct net_device_ops *ops = rdev->netdev_ops;
+
+ return ops->ndo_select_queue(rdev, skb);
+}
+
static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
{
/* TODO: gotta make sure the underlying layer can handle it,
.parse = eth_header_parse,
};
-static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops;
+static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops,
+ vlan_netdev_ops_sq, vlan_netdev_accel_ops_sq;
static int vlan_dev_init(struct net_device *dev)
{
if (real_dev->features & NETIF_F_HW_VLAN_TX) {
dev->header_ops = real_dev->header_ops;
dev->hard_header_len = real_dev->hard_header_len;
- dev->netdev_ops = &vlan_netdev_accel_ops;
+ if (real_dev->netdev_ops->ndo_select_queue)
+ dev->netdev_ops = &vlan_netdev_accel_ops_sq;
+ else
+ dev->netdev_ops = &vlan_netdev_accel_ops;
} else {
dev->header_ops = &vlan_header_ops;
dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
- dev->netdev_ops = &vlan_netdev_ops;
+ if (real_dev->netdev_ops->ndo_select_queue)
+ dev->netdev_ops = &vlan_netdev_ops_sq;
+ else
+ dev->netdev_ops = &vlan_netdev_ops;
}
if (is_vlan_dev(real_dev))
#endif
};
+static const struct net_device_ops vlan_netdev_ops_sq = {
+ .ndo_select_queue = vlan_dev_select_queue,
+ .ndo_change_mtu = vlan_dev_change_mtu,
+ .ndo_init = vlan_dev_init,
+ .ndo_uninit = vlan_dev_uninit,
+ .ndo_open = vlan_dev_open,
+ .ndo_stop = vlan_dev_stop,
+ .ndo_start_xmit = vlan_dev_hard_start_xmit,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = vlan_dev_set_mac_address,
+ .ndo_set_rx_mode = vlan_dev_set_rx_mode,
+ .ndo_set_multicast_list = vlan_dev_set_rx_mode,
+ .ndo_change_rx_flags = vlan_dev_change_rx_flags,
+ .ndo_do_ioctl = vlan_dev_ioctl,
+ .ndo_neigh_setup = vlan_dev_neigh_setup,
+ .ndo_get_stats = vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup,
+ .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done,
+ .ndo_fcoe_enable = vlan_dev_fcoe_enable,
+ .ndo_fcoe_disable = vlan_dev_fcoe_disable,
+ .ndo_fcoe_get_wwn = vlan_dev_fcoe_get_wwn,
+#endif
+};
+
+static const struct net_device_ops vlan_netdev_accel_ops_sq = {
+ .ndo_select_queue = vlan_dev_select_queue,
+ .ndo_change_mtu = vlan_dev_change_mtu,
+ .ndo_init = vlan_dev_init,
+ .ndo_uninit = vlan_dev_uninit,
+ .ndo_open = vlan_dev_open,
+ .ndo_stop = vlan_dev_stop,
+ .ndo_start_xmit = vlan_dev_hwaccel_hard_start_xmit,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = vlan_dev_set_mac_address,
+ .ndo_set_rx_mode = vlan_dev_set_rx_mode,
+ .ndo_set_multicast_list = vlan_dev_set_rx_mode,
+ .ndo_change_rx_flags = vlan_dev_change_rx_flags,
+ .ndo_do_ioctl = vlan_dev_ioctl,
+ .ndo_neigh_setup = vlan_dev_neigh_setup,
+ .ndo_get_stats = vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup,
+ .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done,
+ .ndo_fcoe_enable = vlan_dev_fcoe_enable,
+ .ndo_fcoe_disable = vlan_dev_fcoe_disable,
+ .ndo_fcoe_get_wwn = vlan_dev_fcoe_get_wwn,
+#endif
+};
+
void vlan_setup(struct net_device *dev)
{
ether_setup(dev);
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-struct class *bt_class = NULL;
-EXPORT_SYMBOL_GPL(bt_class);
+static struct class *bt_class;
struct dentry *bt_debugfs = NULL;
EXPORT_SYMBOL_GPL(bt_debugfs);
#include <linux/skbuff.h>
#include <linux/list.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include <linux/crc16.h>
#include <net/sock.h>
int len = cmd->len - sizeof(*rsp);
char req[64];
+ if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) {
+ l2cap_send_disconn_req(conn, sk);
+ goto done;
+ }
+
/* throw out any old stored conf requests */
result = L2CAP_CONF_SUCCESS;
len = l2cap_parse_conf_rsp(sk, rsp->data,
return 0;
}
-static ssize_t l2cap_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int l2cap_debugfs_show(struct seq_file *f, void *p)
{
struct sock *sk;
struct hlist_node *node;
- char *str = buf;
read_lock_bh(&l2cap_sk_list.lock);
sk_for_each(sk, node, &l2cap_sk_list.head) {
struct l2cap_pinfo *pi = l2cap_pi(sk);
- str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- sk->sk_state, __le16_to_cpu(pi->psm), pi->scid,
- pi->dcid, pi->imtu, pi->omtu, pi->sec_level);
+ seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
+ batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst),
+ sk->sk_state, __le16_to_cpu(pi->psm),
+ pi->scid, pi->dcid,
+ pi->imtu, pi->omtu, pi->sec_level);
}
read_unlock_bh(&l2cap_sk_list.lock);
- return str - buf;
+ return 0;
}
-static CLASS_ATTR(l2cap, S_IRUGO, l2cap_sysfs_show, NULL);
+static int l2cap_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, l2cap_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations l2cap_debugfs_fops = {
+ .open = l2cap_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *l2cap_debugfs;
static const struct proto_ops l2cap_sock_ops = {
.family = PF_BLUETOOTH,
goto error;
}
- if (class_create_file(bt_class, &class_attr_l2cap) < 0)
- BT_ERR("Failed to create L2CAP info file");
+ if (bt_debugfs) {
+ l2cap_debugfs = debugfs_create_file("l2cap", 0444,
+ bt_debugfs, NULL, &l2cap_debugfs_fops);
+ if (!l2cap_debugfs)
+ BT_ERR("Failed to create L2CAP debug file");
+ }
BT_INFO("L2CAP ver %s", VERSION);
BT_INFO("L2CAP socket layer initialized");
static void __exit l2cap_exit(void)
{
- class_remove_file(bt_class, &class_attr_l2cap);
+ debugfs_remove(l2cap_debugfs);
if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
BT_ERR("L2CAP socket unregistration failed");
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <linux/net.h>
#include <linux/mutex.h>
#include <linux/kthread.h>
.security_cfm = rfcomm_security_cfm
};
-static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x)
{
struct rfcomm_session *s;
struct list_head *pp, *p;
- char *str = buf;
rfcomm_lock();
struct sock *sk = s->sock->sk;
struct rfcomm_dlc *d = list_entry(pp, struct rfcomm_dlc, list);
- str += sprintf(str, "%s %s %ld %d %d %d %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- d->state, d->dlci, d->mtu, d->rx_credits, d->tx_credits);
+ seq_printf(f, "%s %s %ld %d %d %d %d\n",
+ batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst),
+ d->state, d->dlci, d->mtu,
+ d->rx_credits, d->tx_credits);
}
}
rfcomm_unlock();
- return (str - buf);
+ return 0;
}
-static CLASS_ATTR(rfcomm_dlc, S_IRUGO, rfcomm_dlc_sysfs_show, NULL);
+static int rfcomm_dlc_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, rfcomm_dlc_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_dlc_debugfs_fops = {
+ .open = rfcomm_dlc_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *rfcomm_dlc_debugfs;
/* ---- Initialization ---- */
static int __init rfcomm_init(void)
goto unregister;
}
- if (class_create_file(bt_class, &class_attr_rfcomm_dlc) < 0)
- BT_ERR("Failed to create RFCOMM info file");
+ if (bt_debugfs) {
+ rfcomm_dlc_debugfs = debugfs_create_file("rfcomm_dlc", 0444,
+ bt_debugfs, NULL, &rfcomm_dlc_debugfs_fops);
+ if (!rfcomm_dlc_debugfs)
+ BT_ERR("Failed to create RFCOMM debug file");
+ }
err = rfcomm_init_ttys();
if (err < 0)
static void __exit rfcomm_exit(void)
{
- class_remove_file(bt_class, &class_attr_rfcomm_dlc);
+ debugfs_remove(rfcomm_dlc_debugfs);
hci_unregister_cb(&rfcomm_cb);
#include <linux/skbuff.h>
#include <linux/list.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <net/sock.h>
#include <asm/system.h>
return result;
}
-static ssize_t rfcomm_sock_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p)
{
struct sock *sk;
struct hlist_node *node;
- char *str = buf;
read_lock_bh(&rfcomm_sk_list.lock);
sk_for_each(sk, node, &rfcomm_sk_list.head) {
- str += sprintf(str, "%s %s %d %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
+ seq_printf(f, "%s %s %d %d\n",
+ batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst),
sk->sk_state, rfcomm_pi(sk)->channel);
}
read_unlock_bh(&rfcomm_sk_list.lock);
- return (str - buf);
+ return 0;
}
-static CLASS_ATTR(rfcomm, S_IRUGO, rfcomm_sock_sysfs_show, NULL);
+static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, rfcomm_sock_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_sock_debugfs_fops = {
+ .open = rfcomm_sock_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *rfcomm_sock_debugfs;
static const struct proto_ops rfcomm_sock_ops = {
.family = PF_BLUETOOTH,
if (err < 0)
goto error;
- if (class_create_file(bt_class, &class_attr_rfcomm) < 0)
- BT_ERR("Failed to create RFCOMM info file");
+ if (bt_debugfs) {
+ rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
+ bt_debugfs, NULL, &rfcomm_sock_debugfs_fops);
+ if (!rfcomm_sock_debugfs)
+ BT_ERR("Failed to create RFCOMM debug file");
+ }
BT_INFO("RFCOMM socket layer initialized");
void rfcomm_cleanup_sockets(void)
{
- class_remove_file(bt_class, &class_attr_rfcomm);
+ debugfs_remove(rfcomm_sock_debugfs);
if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
BT_ERR("RFCOMM socket layer unregistration failed");
#include <linux/socket.h>
#include <linux/skbuff.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <linux/list.h>
#include <net/sock.h>
return 0;
}
-static ssize_t sco_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int sco_debugfs_show(struct seq_file *f, void *p)
{
struct sock *sk;
struct hlist_node *node;
- char *str = buf;
read_lock_bh(&sco_sk_list.lock);
sk_for_each(sk, node, &sco_sk_list.head) {
- str += sprintf(str, "%s %s %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- sk->sk_state);
+ seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst), sk->sk_state);
}
read_unlock_bh(&sco_sk_list.lock);
- return (str - buf);
+ return 0;
}
-static CLASS_ATTR(sco, S_IRUGO, sco_sysfs_show, NULL);
+static int sco_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, sco_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations sco_debugfs_fops = {
+ .open = sco_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *sco_debugfs;
static const struct proto_ops sco_sock_ops = {
.family = PF_BLUETOOTH,
goto error;
}
- if (class_create_file(bt_class, &class_attr_sco) < 0)
- BT_ERR("Failed to create SCO info file");
+ if (bt_debugfs) {
+ sco_debugfs = debugfs_create_file("sco", 0444,
+ bt_debugfs, NULL, &sco_debugfs_fops);
+ if (!sco_debugfs)
+ BT_ERR("Failed to create SCO debug file");
+ }
BT_INFO("SCO (Voice Link) ver %s", VERSION);
BT_INFO("SCO socket layer initialized");
static void __exit sco_exit(void)
{
- class_remove_file(bt_class, &class_attr_sco);
+ debugfs_remove(sco_debugfs);
if (bt_sock_unregister(BTPROTO_SCO) < 0)
BT_ERR("SCO socket unregistration failed");
{
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;
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++;
np->name, np->local_port);
printk(KERN_INFO "%s: local IP %pI4\n",
np->name, &np->local_ip);
- printk(KERN_INFO "%s: interface %s\n",
+ printk(KERN_INFO "%s: interface '%s'\n",
np->name, np->dev_name);
printk(KERN_INFO "%s: remote port %d\n",
np->name, np->remote_port);
if ((delim = strchr(cur, '@')) == NULL)
goto parse_failed;
*delim = 0;
+ if (*cur == ' ' || *cur == '\t')
+ printk(KERN_INFO "%s: warning: whitespace"
+ "is not allowed\n", np->name);
np->remote_port = simple_strtol(cur, NULL, 10);
cur = delim;
}
return 0;
parse_failed:
- printk(KERN_INFO "%s: couldn't parse config at %s!\n",
+ printk(KERN_INFO "%s: couldn't parse config at '%s'!\n",
np->name, cur);
return -1;
}
struct node *n;
pos = 0;
- n = rcu_dereference(t->trie);
+ n = rcu_dereference_check(t->trie,
+ rcu_read_lock_held() ||
+ lockdep_rtnl_is_held());
while (n != NULL && NODE_TYPE(n) == T_TNODE) {
tn = (struct tnode *) n;
tunnel->err_count = 0;
}
- max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen;
+ max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->u.dst.header_len;
if (skb_headroom(skb) < max_headroom || skb_shared(skb)||
(skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
+ if (max_headroom > dev->needed_headroom)
+ dev->needed_headroom = max_headroom;
if (!new_skb) {
ip_rt_put(rt);
txq->tx_dropped++;
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];
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;
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) ||
- rt->u.dst.expires) {
+ (rt->u.dst.expires &&
+ time_after_eq(jiffies, rt->u.dst.expires))) {
unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
rt->fl.oif,
rt_genid(dev_net(dst->dev)));
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)
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;
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));
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);
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);
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
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;
/* __ 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);
sk_wait_data(sk, &timeo);
#ifdef CONFIG_NET_DMA
+ tcp_service_net_dma(sk, false); /* Don't block */
tp->ucopy.wakeup = 0;
#endif
copied = -EFAULT;
break;
}
+
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
if ((offset + used) == skb->len)
copied_early = 1;
}
#ifdef CONFIG_NET_DMA
- if (tp->ucopy.dma_chan) {
- dma_cookie_t done, used;
-
- 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);
- }
- }
+ tcp_service_net_dma(sk, true); /* Wait for queue to drain */
+ tp->ucopy.dma_chan = NULL;
- /* 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;
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;
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);
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))
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;
int err;
out_skb = pfkey_xfrm_policy2msg_prep(xp);
- if (IS_ERR(out_skb)) {
- err = PTR_ERR(out_skb);
- goto out;
- }
+ if (IS_ERR(out_skb))
+ return PTR_ERR(out_skb);
+
err = pfkey_xfrm_policy2msg(out_skb, xp, dir);
if (err < 0)
return err;
out_hdr->sadb_msg_seq = c->seq;
out_hdr->sadb_msg_pid = c->pid;
pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
-out:
return 0;
}
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 */
}
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);
struct netlink_set_err_data *p)
{
struct netlink_sock *nlk = nlk_sk(sk);
+ int ret = 0;
if (sk == p->exclude_sk)
goto out;
!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;
}
/**
* @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;
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);
/* get a notification message to send to the server app */
notification = alloc_skb(0, GFP_NOFS);
+ if (!notification) {
+ _debug("no memory");
+ ret = -ENOMEM;
+ goto error_nofree;
+ }
rxrpc_new_skb(notification);
notification->mark = RXRPC_SKB_MARK_NEW_CALL;
ret = -ECONNREFUSED;
error:
rxrpc_free_skb(notification);
+error_nofree:
_leave(" = %d", ret);
return ret;
}
module will be called cls_flow.
config NET_CLS_CGROUP
- bool "Control Group Classifier"
+ tristate "Control Group Classifier"
select NET_CLS
depends on CGROUPS
---help---
Say Y here if you want to classify packets based on the control
cgroup of their process.
+ To compile this code as a module, choose M here: the
+ module will be called cls_cgroup.
+
config NET_EMATCH
bool "Extended Matches"
select NET_CLS
u32 classid;
};
+static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
+ struct cgroup *cgrp);
+static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp);
+static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp);
+
+struct cgroup_subsys net_cls_subsys = {
+ .name = "net_cls",
+ .create = cgrp_create,
+ .destroy = cgrp_destroy,
+ .populate = cgrp_populate,
+#ifdef CONFIG_NET_CLS_CGROUP
+ .subsys_id = net_cls_subsys_id,
+#else
+#define net_cls_subsys_id net_cls_subsys.subsys_id
+#endif
+ .module = THIS_MODULE,
+};
+
+
static inline struct cgroup_cls_state *cgrp_cls_state(struct cgroup *cgrp)
{
return container_of(cgroup_subsys_state(cgrp, net_cls_subsys_id),
return cgroup_add_files(cgrp, ss, ss_files, ARRAY_SIZE(ss_files));
}
-struct cgroup_subsys net_cls_subsys = {
- .name = "net_cls",
- .create = cgrp_create,
- .destroy = cgrp_destroy,
- .populate = cgrp_populate,
- .subsys_id = net_cls_subsys_id,
-};
-
struct cls_cgroup_head
{
u32 handle;
static int __init init_cgroup_cls(void)
{
- return register_tcf_proto_ops(&cls_cgroup_ops);
+ int ret = register_tcf_proto_ops(&cls_cgroup_ops);
+ if (ret)
+ return ret;
+ ret = cgroup_load_subsys(&net_cls_subsys);
+ if (ret)
+ unregister_tcf_proto_ops(&cls_cgroup_ops);
+ return ret;
}
static void __exit exit_cgroup_cls(void)
{
unregister_tcf_proto_ops(&cls_cgroup_ops);
+ cgroup_unload_subsys(&net_cls_subsys);
}
module_init(init_cgroup_cls);
projects / linux-beck.git / commitdiff