Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
diff --git a/drivers/isdn/gigaset/dummyll.c b/drivers/isdn/gigaset/dummyll.c
index 5b27c99..bd0b1ea 100644
--- a/drivers/isdn/gigaset/dummyll.c
+++ b/drivers/isdn/gigaset/dummyll.c
@@ -57,12 +57,20 @@
{
}
-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)
{
}
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index a1d4188..e7810b7 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -449,11 +449,10 @@
}
/**
- * 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 @@
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 @@
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 @@
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;
}
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 9d7fa2f..0bc990e 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -94,6 +94,7 @@
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;
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 4480052..82a533f 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -41,6 +41,7 @@
#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
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 0ed25f0..45a0e4f 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -72,6 +72,7 @@
{ 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 },
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 1f30e16..b405a00 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -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 @@
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 ||
@@ -413,6 +416,41 @@
}
/**
+ * 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
* @speed: new link speed
@@ -440,16 +478,6 @@
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 @@
/* 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 @@
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 @@
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 @@
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);
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index 4123dec..700cfc0 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -614,9 +614,9 @@
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 @@
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;
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 684af37..d75c46f 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -935,10 +935,12 @@
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 @@
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 @@
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 @@
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 @@
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 ||
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 2be90746..0ed5ab3 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -2397,6 +2397,7 @@
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 *,
diff --git a/drivers/net/ixgbevf/ethtool.c b/drivers/net/ixgbevf/ethtool.c
index 399be0c..6fdd651 100644
--- a/drivers/net/ixgbevf/ethtool.c
+++ b/drivers/net/ixgbevf/ethtool.c
@@ -46,22 +46,32 @@
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 @@
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);
}
}
diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index ca653c4..d6cbd94 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -965,7 +965,7 @@
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 @@
(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 @@
/* 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 @@
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 @@
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 @@
}
}
-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 @@
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 @@
/* 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 @@
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],
diff --git a/drivers/net/ixgbevf/vf.h b/drivers/net/ixgbevf/vf.h
index 799600e..1f31b05 100644
--- a/drivers/net/ixgbevf/vf.h
+++ b/drivers/net/ixgbevf/vf.h
@@ -157,6 +157,12 @@
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 {
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 0f31497..c0b59a5 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -946,6 +946,8 @@
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_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
diff --git a/drivers/net/jme.h b/drivers/net/jme.h
index c19db91..07ad3a4 100644
--- a/drivers/net/jme.h
+++ b/drivers/net/jme.h
@@ -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
diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c
index 6f41482..66be4e4 100644
--- a/drivers/net/ks8851.c
+++ b/drivers/net/ks8851.c
@@ -966,7 +966,6 @@
crc >>= (32 - 6); /* get top six bits */
rxctrl.mchash[crc >> 4] |= (1 << (crc & 0xf));
- mcptr = mcptr->next;
}
rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXPAFMA;
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index d222d7e..73f9a31 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1189,9 +1189,21 @@
}
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);
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index b2c8207..294b486 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1353,25 +1353,6 @@
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 @@
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.
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 1ed5206..8c12311 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -124,7 +124,7 @@
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;
diff --git a/drivers/net/wireless/wl12xx/wl1251_debugfs.c b/drivers/net/wireless/wl12xx/wl1251_debugfs.c
index 0ccba57..05e4d68 100644
--- a/drivers/net/wireless/wl12xx/wl1251_debugfs.c
+++ b/drivers/net/wireless/wl12xx/wl1251_debugfs.c
@@ -466,7 +466,8 @@
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;
}
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index ad37da2..a6a88df 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -125,7 +125,7 @@
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 @@
/* 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 @@
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;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 7cd55e0..7bd7a1e 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -476,8 +476,10 @@
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 @@
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 @@
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;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 813bed7..9fc6ee8 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2089,12 +2089,12 @@
* 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;
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 5392386..361d6b5 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -76,7 +76,7 @@
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);
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index fde27c0..6eaca5e 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -188,7 +188,7 @@
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);
diff --git a/include/net/netlink.h b/include/net/netlink.h
index f82e463..4fc05b5 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -945,7 +945,11 @@
*/
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;
}
/**
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index c0316e0..c584a0a 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -11,7 +11,7 @@
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 @@
{
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;
diff --git a/net/core/dev.c b/net/core/dev.c
index d1f027c..c0e2608 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2622,6 +2622,7 @@
{
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 @@
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++;
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 8582e12..0b9d03c 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -802,6 +802,9 @@
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];
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a770df24..32d3961 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1441,7 +1441,7 @@
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 @@
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 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 @@
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 @@
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 @@
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 @@
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);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 5901010..6afb6d8 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -429,7 +429,7 @@
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 @@
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 @@
/* __ 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 @@
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 @@
copied = -EFAULT;
break;
}
+
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
if ((offset + used) == skb->len)
copied_early = 1;
@@ -1702,27 +1743,9 @@
}
#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;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 788851c..c096a42 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2511,6 +2511,9 @@
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;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 70df409..f4df5f9 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -370,6 +370,11 @@
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);
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 52e0f74..23e4ac0 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1113,6 +1113,9 @@
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))
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 52cd3ef..7fcb0e5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -879,7 +879,7 @@
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;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 2b2af63..569410a 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -582,7 +582,9 @@
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 */
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 8eb0cc2..6afa3d5 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -113,9 +113,9 @@
}
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);
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 320d042..acbbae1 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1093,6 +1093,7 @@
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 @@
!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 @@
* @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 @@
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);