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-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c7
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
-rw-r--r--drivers/net/ethernet/ibm/ehea/Makefile2
-rw-r--r--drivers/net/ethernet/intel/e1000e/manage.c4
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_fcoe.c1
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c18
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_nvm.c6
-rw-r--r--drivers/net/ethernet/myricom/myri10ge/myri10ge.c88
-rw-r--r--drivers/net/ethernet/sun/sunvnet.c38
-rw-r--r--drivers/net/ethernet/sun/sunvnet.h4
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac_main.c1
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_axienet_main.c1
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_emaclite.c1
-rw-r--r--drivers/net/irda/donauboe.c15
-rw-r--r--drivers/net/macvlan.c12
-rw-r--r--drivers/net/wireless/ath/carl9170/carl9170.h1
-rw-r--r--drivers/net/wireless/ath/carl9170/usb.c31
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c4
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/pcie.c3
-rw-r--r--drivers/net/wireless/ipw2x00/ipw2200.c1
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c3
-rw-r--r--drivers/net/xen-netback/common.h5
-rw-r--r--drivers/net/xen-netback/interface.c56
-rw-r--r--drivers/net/xen-netback/netback.c26
-rw-r--r--drivers/net/xen-netback/xenbus.c17
-rw-r--r--drivers/scsi/cxgbi/cxgb3i/Kconfig2
-rw-r--r--drivers/scsi/cxgbi/cxgb4i/Kconfig2
-rw-r--r--include/linux/rhashtable.h17
-rw-r--r--include/net/inet_connection_sock.h1
-rw-r--r--include/net/sock.h1
-rw-r--r--include/net/tcp.h7
-rw-r--r--lib/rhashtable.c10
-rw-r--r--net/atm/lec.c5
-rw-r--r--net/atm/svc.c60
-rw-r--r--net/ipv4/tcp.c14
-rw-r--r--net/ipv4/tcp_input.c27
-rw-r--r--net/ipv4/tcp_ipv4.c5
-rw-r--r--net/ipv4/tcp_metrics.c6
-rw-r--r--net/ipv4/tcp_output.c24
-rw-r--r--net/ipv6/sit.c6
-rw-r--r--net/ipv6/tcp_ipv6.c3
-rw-r--r--net/irda/irlap_frame.c2
-rw-r--r--net/netlink/af_netlink.c2
-rw-r--r--net/openvswitch/vport.c4
44 files changed, 332 insertions, 214 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index af7c40ac1455..e1a8f4e19983 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -581,7 +581,11 @@ static struct xgene_enet_desc_ring *xgene_enet_create_desc_ring(
struct xgene_enet_desc_ring *ring;
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct device *dev = ndev_to_dev(ndev);
- u32 size;
+ int size;
+
+ size = xgene_enet_get_ring_size(dev, cfgsize);
+ if (size < 0)
+ return NULL;
ring = devm_kzalloc(dev, sizeof(struct xgene_enet_desc_ring),
GFP_KERNEL);
@@ -593,7 +597,6 @@ static struct xgene_enet_desc_ring *xgene_enet_create_desc_ring(
ring->cfgsize = cfgsize;
ring->id = ring_id;
- size = xgene_enet_get_ring_size(dev, cfgsize);
ring->desc_addr = dma_zalloc_coherent(dev, size, &ring->dma,
GFP_KERNEL);
if (!ring->desc_addr) {
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index a3dd5dc64f4c..4296b3d26f02 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14093,8 +14093,9 @@ static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
spin_lock_bh(&tp->lock);
if (!tp->hw_stats) {
+ *stats = tp->net_stats_prev;
spin_unlock_bh(&tp->lock);
- return &tp->net_stats_prev;
+ return stats;
}
tg3_get_nstats(tp, stats);
diff --git a/drivers/net/ethernet/ibm/ehea/Makefile b/drivers/net/ethernet/ibm/ehea/Makefile
index 775d9969b5c2..cd473e295242 100644
--- a/drivers/net/ethernet/ibm/ehea/Makefile
+++ b/drivers/net/ethernet/ibm/ehea/Makefile
@@ -1,6 +1,6 @@
#
# Makefile for the eHEA ethernet device driver for IBM eServer System p
#
-ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o ehea_phyp.o
+ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o
obj-$(CONFIG_EHEA) += ehea.o
diff --git a/drivers/net/ethernet/intel/e1000e/manage.c b/drivers/net/ethernet/intel/e1000e/manage.c
index 58856032298d..06edfca1a35e 100644
--- a/drivers/net/ethernet/intel/e1000e/manage.c
+++ b/drivers/net/ethernet/intel/e1000e/manage.c
@@ -47,7 +47,7 @@ static u8 e1000_calculate_checksum(u8 *buffer, u32 length)
* e1000_mng_enable_host_if - Checks host interface is enabled
* @hw: pointer to the HW structure
*
- * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
+ * Returns 0 upon success, else -E1000_ERR_HOST_INTERFACE_COMMAND
*
* This function checks whether the HOST IF is enabled for command operation
* and also checks whether the previous command is completed. It busy waits
@@ -78,7 +78,7 @@ static s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
}
if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) {
- e_dbg("Previous command timeout failed .\n");
+ e_dbg("Previous command timeout failed.\n");
return -E1000_ERR_HOST_INTERFACE_COMMAND;
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c
index 6938fc1ad877..5d01db1d789b 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_fcoe.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_fcoe.c
@@ -33,6 +33,7 @@
#include <scsi/fc/fc_fcoe.h>
#include <scsi/libfc.h>
#include <scsi/libfcoe.h>
+#include <uapi/linux/dcbnl.h>
#include "i40e.h"
#include "i40e_fcoe.h"
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 51bc03072ed3..871474f6fe62 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -4415,13 +4415,13 @@ static void i40e_print_link_message(struct i40e_vsi *vsi, bool isup)
switch (vsi->back->hw.phy.link_info.link_speed) {
case I40E_LINK_SPEED_40GB:
- strncpy(speed, "40 Gbps", SPEED_SIZE);
+ strlcpy(speed, "40 Gbps", SPEED_SIZE);
break;
case I40E_LINK_SPEED_10GB:
- strncpy(speed, "10 Gbps", SPEED_SIZE);
+ strlcpy(speed, "10 Gbps", SPEED_SIZE);
break;
case I40E_LINK_SPEED_1GB:
- strncpy(speed, "1000 Mbps", SPEED_SIZE);
+ strlcpy(speed, "1000 Mbps", SPEED_SIZE);
break;
default:
break;
@@ -4429,16 +4429,16 @@ static void i40e_print_link_message(struct i40e_vsi *vsi, bool isup)
switch (vsi->back->hw.fc.current_mode) {
case I40E_FC_FULL:
- strncpy(fc, "RX/TX", FC_SIZE);
+ strlcpy(fc, "RX/TX", FC_SIZE);
break;
case I40E_FC_TX_PAUSE:
- strncpy(fc, "TX", FC_SIZE);
+ strlcpy(fc, "TX", FC_SIZE);
break;
case I40E_FC_RX_PAUSE:
- strncpy(fc, "RX", FC_SIZE);
+ strlcpy(fc, "RX", FC_SIZE);
break;
default:
- strncpy(fc, "None", FC_SIZE);
+ strlcpy(fc, "None", FC_SIZE);
break;
}
@@ -5839,7 +5839,7 @@ static void i40e_send_version(struct i40e_pf *pf)
dv.minor_version = DRV_VERSION_MINOR;
dv.build_version = DRV_VERSION_BUILD;
dv.subbuild_version = 0;
- strncpy(dv.driver_string, DRV_VERSION, sizeof(dv.driver_string));
+ strlcpy(dv.driver_string, DRV_VERSION, sizeof(dv.driver_string));
i40e_aq_send_driver_version(&pf->hw, &dv, NULL);
}
@@ -6293,7 +6293,7 @@ static int i40e_vsi_alloc_arrays(struct i40e_vsi *vsi, bool alloc_qvectors)
if (alloc_qvectors) {
/* allocate memory for q_vector pointers */
- size = sizeof(struct i40e_q_vectors *) * vsi->num_q_vectors;
+ size = sizeof(struct i40e_q_vector *) * vsi->num_q_vectors;
vsi->q_vectors = kzalloc(size, GFP_KERNEL);
if (!vsi->q_vectors) {
ret = -ENOMEM;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c
index 97bda3dffd49..25c4f9a3011f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c
@@ -251,9 +251,9 @@ i40e_status i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset,
*
* Writes a 16 bit words buffer to the Shadow RAM using the admin command.
**/
-i40e_status i40e_write_nvm_aq(struct i40e_hw *hw, u8 module_pointer,
- u32 offset, u16 words, void *data,
- bool last_command)
+static i40e_status i40e_write_nvm_aq(struct i40e_hw *hw, u8 module_pointer,
+ u32 offset, u16 words, void *data,
+ bool last_command)
{
i40e_status ret_code = I40E_ERR_NVM;
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 69c26f04d8ce..679db026f4be 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -873,6 +873,10 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type)
return -ENOMEM;
dmatest_bus = pci_map_page(mgp->pdev, dmatest_page, 0, PAGE_SIZE,
DMA_BIDIRECTIONAL);
+ if (unlikely(pci_dma_mapping_error(mgp->pdev, dmatest_bus))) {
+ __free_page(dmatest_page);
+ return -ENOMEM;
+ }
/* Run a small DMA test.
* The magic multipliers to the length tell the firmware
@@ -1294,6 +1298,7 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
int bytes, int watchdog)
{
struct page *page;
+ dma_addr_t bus;
int idx;
#if MYRI10GE_ALLOC_SIZE > 4096
int end_offset;
@@ -1318,11 +1323,21 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
rx->watchdog_needed = 1;
return;
}
+
+ bus = pci_map_page(mgp->pdev, page, 0,
+ MYRI10GE_ALLOC_SIZE,
+ PCI_DMA_FROMDEVICE);
+ if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) {
+ __free_pages(page, MYRI10GE_ALLOC_ORDER);
+ if (rx->fill_cnt - rx->cnt < 16)
+ rx->watchdog_needed = 1;
+ return;
+ }
+
rx->page = page;
rx->page_offset = 0;
- rx->bus = pci_map_page(mgp->pdev, page, 0,
- MYRI10GE_ALLOC_SIZE,
- PCI_DMA_FROMDEVICE);
+ rx->bus = bus;
+
}
rx->info[idx].page = rx->page;
rx->info[idx].page_offset = rx->page_offset;
@@ -2764,6 +2779,35 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src,
mb();
}
+static void myri10ge_unmap_tx_dma(struct myri10ge_priv *mgp,
+ struct myri10ge_tx_buf *tx, int idx)
+{
+ unsigned int len;
+ int last_idx;
+
+ /* Free any DMA resources we've alloced and clear out the skb slot */
+ last_idx = (idx + 1) & tx->mask;
+ idx = tx->req & tx->mask;
+ do {
+ len = dma_unmap_len(&tx->info[idx], len);
+ if (len) {
+ if (tx->info[idx].skb != NULL)
+ pci_unmap_single(mgp->pdev,
+ dma_unmap_addr(&tx->info[idx],
+ bus), len,
+ PCI_DMA_TODEVICE);
+ else
+ pci_unmap_page(mgp->pdev,
+ dma_unmap_addr(&tx->info[idx],
+ bus), len,
+ PCI_DMA_TODEVICE);
+ dma_unmap_len_set(&tx->info[idx], len, 0);
+ tx->info[idx].skb = NULL;
+ }
+ idx = (idx + 1) & tx->mask;
+ } while (idx != last_idx);
+}
+
/*
* Transmit a packet. We need to split the packet so that a single
* segment does not cross myri10ge->tx_boundary, so this makes segment
@@ -2787,7 +2831,7 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb,
u32 low;
__be32 high_swapped;
unsigned int len;
- int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments;
+ int idx, avail, frag_cnt, frag_idx, count, mss, max_segments;
u16 pseudo_hdr_offset, cksum_offset, queue;
int cum_len, seglen, boundary, rdma_count;
u8 flags, odd_flag;
@@ -2884,9 +2928,12 @@ again:
/* map the skb for DMA */
len = skb_headlen(skb);
+ bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+ if (unlikely(pci_dma_mapping_error(mgp->pdev, bus)))
+ goto drop;
+
idx = tx->req & tx->mask;
tx->info[idx].skb = skb;
- bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);
dma_unmap_addr_set(&tx->info[idx], bus, bus);
dma_unmap_len_set(&tx->info[idx], len, len);
@@ -2985,12 +3032,16 @@ again:
break;
/* map next fragment for DMA */
- idx = (count + tx->req) & tx->mask;
frag = &skb_shinfo(skb)->frags[frag_idx];
frag_idx++;
len = skb_frag_size(frag);
bus = skb_frag_dma_map(&mgp->pdev->dev, frag, 0, len,
DMA_TO_DEVICE);
+ if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) {
+ myri10ge_unmap_tx_dma(mgp, tx, idx);
+ goto drop;
+ }
+ idx = (count + tx->req) & tx->mask;
dma_unmap_addr_set(&tx->info[idx], bus, bus);
dma_unmap_len_set(&tx->info[idx], len, len);
}
@@ -3021,31 +3072,8 @@ again:
return NETDEV_TX_OK;
abort_linearize:
- /* Free any DMA resources we've alloced and clear out the skb
- * slot so as to not trip up assertions, and to avoid a
- * double-free if linearizing fails */
+ myri10ge_unmap_tx_dma(mgp, tx, idx);
- last_idx = (idx + 1) & tx->mask;
- idx = tx->req & tx->mask;
- tx->info[idx].skb = NULL;
- do {
- len = dma_unmap_len(&tx->info[idx], len);
- if (len) {
- if (tx->info[idx].skb != NULL)
- pci_unmap_single(mgp->pdev,
- dma_unmap_addr(&tx->info[idx],
- bus), len,
- PCI_DMA_TODEVICE);
- else
- pci_unmap_page(mgp->pdev,
- dma_unmap_addr(&tx->info[idx],
- bus), len,
- PCI_DMA_TODEVICE);
- dma_unmap_len_set(&tx->info[idx], len, 0);
- tx->info[idx].skb = NULL;
- }
- idx = (idx + 1) & tx->mask;
- } while (idx != last_idx);
if (skb_is_gso(skb)) {
netdev_err(mgp->dev, "TSO but wanted to linearize?!?!?\n");
goto drop;
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index d813bfb1a847..23c89ab5a6ad 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -32,6 +32,11 @@ MODULE_DESCRIPTION("Sun LDOM virtual network driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
+/* Heuristic for the number of times to exponentially backoff and
+ * retry sending an LDC trigger when EAGAIN is encountered
+ */
+#define VNET_MAX_RETRIES 10
+
/* Ordered from largest major to lowest */
static struct vio_version vnet_versions[] = {
{ .major = 1, .minor = 0 },
@@ -260,6 +265,7 @@ static int vnet_send_ack(struct vnet_port *port, struct vio_dring_state *dr,
.state = vio_dring_state,
};
int err, delay;
+ int retries = 0;
hdr.seq = dr->snd_nxt;
delay = 1;
@@ -272,6 +278,13 @@ static int vnet_send_ack(struct vnet_port *port, struct vio_dring_state *dr,
udelay(delay);
if ((delay <<= 1) > 128)
delay = 128;
+ if (retries++ > VNET_MAX_RETRIES) {
+ pr_info("ECONNRESET %x:%x:%x:%x:%x:%x\n",
+ port->raddr[0], port->raddr[1],
+ port->raddr[2], port->raddr[3],
+ port->raddr[4], port->raddr[5]);
+ err = -ECONNRESET;
+ }
} while (err == -EAGAIN);
return err;
@@ -475,8 +488,9 @@ static int handle_mcast(struct vnet_port *port, void *msgbuf)
return 0;
}
-static void maybe_tx_wakeup(struct vnet *vp)
+static void maybe_tx_wakeup(unsigned long param)
{
+ struct vnet *vp = (struct vnet *)param;
struct net_device *dev = vp->dev;
netif_tx_lock(dev);
@@ -573,8 +587,13 @@ static void vnet_event(void *arg, int event)
break;
}
spin_unlock(&vio->lock);
+ /* Kick off a tasklet to wake the queue. We cannot call
+ * maybe_tx_wakeup directly here because we could deadlock on
+ * netif_tx_lock() with dev_watchdog()
+ */
if (unlikely(tx_wakeup && err != -ECONNRESET))
- maybe_tx_wakeup(port->vp);
+ tasklet_schedule(&port->vp->vnet_tx_wakeup);
+
local_irq_restore(flags);
}
@@ -593,6 +612,7 @@ static int __vnet_tx_trigger(struct vnet_port *port)
.end_idx = (u32) -1,
};
int err, delay;
+ int retries = 0;
hdr.seq = dr->snd_nxt;
delay = 1;
@@ -605,6 +625,8 @@ static int __vnet_tx_trigger(struct vnet_port *port)
udelay(delay);
if ((delay <<= 1) > 128)
delay = 128;
+ if (retries++ > VNET_MAX_RETRIES)
+ break;
} while (err == -EAGAIN);
return err;
@@ -691,7 +713,15 @@ static int vnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
memset(tx_buf+VNET_PACKET_SKIP+skb->len, 0, len - skb->len);
}
- d->hdr.ack = VIO_ACK_ENABLE;
+ /* We don't rely on the ACKs to free the skb in vnet_start_xmit(),
+ * thus it is safe to not set VIO_ACK_ENABLE for each transmission:
+ * the protocol itself does not require it as long as the peer
+ * sends a VIO_SUBTYPE_ACK for VIO_DRING_STOPPED.
+ *
+ * An ACK for every packet in the ring is expensive as the
+ * sending of LDC messages is slow and affects performance.
+ */
+ d->hdr.ack = VIO_ACK_DISABLE;
d->size = len;
d->ncookies = port->tx_bufs[dr->prod].ncookies;
for (i = 0; i < d->ncookies; i++)
@@ -1046,6 +1076,7 @@ static struct vnet *vnet_new(const u64 *local_mac)
vp = netdev_priv(dev);
spin_lock_init(&vp->lock);
+ tasklet_init(&vp->vnet_tx_wakeup, maybe_tx_wakeup, (unsigned long)vp);
vp->dev = dev;
INIT_LIST_HEAD(&vp->port_list);
@@ -1105,6 +1136,7 @@ static void vnet_cleanup(void)
vp = list_first_entry(&vnet_list, struct vnet, list);
list_del(&vp->list);
dev = vp->dev;
+ tasklet_kill(&vp->vnet_tx_wakeup);
/* vio_unregister_driver() should have cleaned up port_list */
BUG_ON(!list_empty(&vp->port_list));
unregister_netdev(dev);
diff --git a/drivers/net/ethernet/sun/sunvnet.h b/drivers/net/ethernet/sun/sunvnet.h
index d347a5bf24b0..de5c2c64996f 100644
--- a/drivers/net/ethernet/sun/sunvnet.h
+++ b/drivers/net/ethernet/sun/sunvnet.h
@@ -1,6 +1,8 @@
#ifndef _SUNVNET_H
#define _SUNVNET_H
+#include <linux/interrupt.h>
+
#define DESC_NCOOKIES(entry_size) \
((entry_size) - sizeof(struct vio_net_desc))
@@ -78,6 +80,8 @@ struct vnet {
struct list_head list;
u64 local_mac;
+
+ struct tasklet_struct vnet_tx_wakeup;
};
#endif /* _SUNVNET_H */
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 36f4459520c3..fda5891835d4 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1170,7 +1170,6 @@ static struct platform_driver temac_of_driver = {
.probe = temac_of_probe,
.remove = temac_of_remove,
.driver = {
- .owner = THIS_MODULE,
.name = "xilinx_temac",
.of_match_table = temac_of_match,
},
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 30e8608ff050..c8fd94133ecd 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -1645,7 +1645,6 @@ static struct platform_driver axienet_of_driver = {
.probe = axienet_of_probe,
.remove = axienet_of_remove,
.driver = {
- .owner = THIS_MODULE,
.name = "xilinx_axienet",
.of_match_table = axienet_of_match,
},
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 782bb9373cd8..28dbbdc393eb 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -1245,7 +1245,6 @@ MODULE_DEVICE_TABLE(of, xemaclite_of_match);
static struct platform_driver xemaclite_of_driver = {
.driver = {
.name = DRIVER_NAME,
- .owner = THIS_MODULE,
.of_match_table = xemaclite_of_match,
},
.probe = xemaclite_of_probe,
diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c
index 768dfe9a9315..6d3e2093bf7f 100644
--- a/drivers/net/irda/donauboe.c
+++ b/drivers/net/irda/donauboe.c
@@ -1755,17 +1755,4 @@ static struct pci_driver donauboe_pci_driver = {
.resume = toshoboe_wakeup
};
-static int __init
-donauboe_init (void)
-{
- return pci_register_driver(&donauboe_pci_driver);
-}
-
-static void __exit
-donauboe_cleanup (void)
-{
- pci_unregister_driver(&donauboe_pci_driver);
-}
-
-module_init(donauboe_init);
-module_exit(donauboe_cleanup);
+module_pci_driver(donauboe_pci_driver);
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index ef8a5c20236a..60e4ca01ccbb 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -45,10 +45,9 @@ struct macvlan_port {
struct sk_buff_head bc_queue;
struct work_struct bc_work;
bool passthru;
+ int count;
};
-#define MACVLAN_PORT_IS_EMPTY(port) list_empty(&port->vlans)
-
struct macvlan_skb_cb {
const struct macvlan_dev *src;
};
@@ -667,7 +666,8 @@ static void macvlan_uninit(struct net_device *dev)
free_percpu(vlan->pcpu_stats);
- if (MACVLAN_PORT_IS_EMPTY(port))
+ port->count -= 1;
+ if (!port->count)
macvlan_port_destroy(port->dev);
}
@@ -1020,12 +1020,13 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
vlan->flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]);
if (vlan->mode == MACVLAN_MODE_PASSTHRU) {
- if (!MACVLAN_PORT_IS_EMPTY(port))
+ if (port->count)
return -EINVAL;
port->passthru = true;
eth_hw_addr_inherit(dev, lowerdev);
}
+ port->count += 1;
err = register_netdevice(dev);
if (err < 0)
goto destroy_port;
@@ -1043,7 +1044,8 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
unregister_netdev:
unregister_netdevice(dev);
destroy_port:
- if (MACVLAN_PORT_IS_EMPTY(port))
+ port->count -= 1;
+ if (!port->count)
macvlan_port_destroy(lowerdev);
return err;
diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h
index 8596aba34f96..237d0cda1bcb 100644
--- a/drivers/net/wireless/ath/carl9170/carl9170.h
+++ b/drivers/net/wireless/ath/carl9170/carl9170.h
@@ -256,6 +256,7 @@ struct ar9170 {
atomic_t rx_work_urbs;
atomic_t rx_pool_urbs;
kernel_ulong_t features;
+ bool usb_ep_cmd_is_bulk;
/* firmware settings */
struct completion fw_load_wait;
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index f35c7f30f9a6..c9f93310c0d6 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -621,9 +621,16 @@ int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd,
goto err_free;
}
- usb_fill_int_urb(urb, ar->udev, usb_sndintpipe(ar->udev,
- AR9170_USB_EP_CMD), cmd, cmd->hdr.len + 4,
- carl9170_usb_cmd_complete, ar, 1);
+ if (ar->usb_ep_cmd_is_bulk)
+ usb_fill_bulk_urb(urb, ar->udev,
+ usb_sndbulkpipe(ar->udev, AR9170_USB_EP_CMD),
+ cmd, cmd->hdr.len + 4,
+ carl9170_usb_cmd_complete, ar);
+ else
+ usb_fill_int_urb(urb, ar->udev,
+ usb_sndintpipe(ar->udev, AR9170_USB_EP_CMD),
+ cmd, cmd->hdr.len + 4,
+ carl9170_usb_cmd_complete, ar, 1);
if (free_buf)
urb->transfer_flags |= URB_FREE_BUFFER;
@@ -1032,9 +1039,10 @@ static void carl9170_usb_firmware_step2(const struct firmware *fw,
static int carl9170_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
+ struct usb_endpoint_descriptor *ep;
struct ar9170 *ar;
struct usb_device *udev;
- int err;
+ int i, err;
err = usb_reset_device(interface_to_usbdev(intf));
if (err)
@@ -1050,6 +1058,21 @@ static int carl9170_usb_probe(struct usb_interface *intf,
ar->intf = intf;
ar->features = id->driver_info;
+ /* We need to remember the type of endpoint 4 because it differs
+ * between high- and full-speed configuration. The high-speed
+ * configuration specifies it as interrupt and the full-speed
+ * configuration as bulk endpoint. This information is required
+ * later when sending urbs to that endpoint.
+ */
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; ++i) {
+ ep = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (usb_endpoint_num(ep) == AR9170_USB_EP_CMD &&
+ usb_endpoint_dir_out(ep) &&
+ usb_endpoint_type(ep) == USB_ENDPOINT_XFER_BULK)
+ ar->usb_ep_cmd_is_bulk = true;
+ }
+
usb_set_intfdata(intf, ar);
SET_IEEE80211_DEV(ar->hw, &intf->dev);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
index 535c7eb01b3a..8f8b9373de95 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
@@ -1318,6 +1318,8 @@ int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr)
msgbuf->nrof_flowrings = if_msgbuf->nrof_flowrings;
msgbuf->flowring_dma_handle = kzalloc(msgbuf->nrof_flowrings *
sizeof(*msgbuf->flowring_dma_handle), GFP_ATOMIC);
+ if (!msgbuf->flowring_dma_handle)
+ goto fail;
msgbuf->rx_dataoffset = if_msgbuf->rx_dataoffset;
msgbuf->max_rxbufpost = if_msgbuf->max_rxbufpost;
@@ -1362,6 +1364,7 @@ fail:
kfree(msgbuf->flow_map);
kfree(msgbuf->txstatus_done_map);
brcmf_msgbuf_release_pktids(msgbuf);
+ kfree(msgbuf->flowring_dma_handle);
if (msgbuf->ioctbuf)
dma_free_coherent(drvr->bus_if->dev,
BRCMF_TX_IOCTL_MAX_MSG_SIZE,
@@ -1391,6 +1394,7 @@ void brcmf_proto_msgbuf_detach(struct brcmf_pub *drvr)
BRCMF_TX_IOCTL_MAX_MSG_SIZE,
msgbuf->ioctbuf, msgbuf->ioctbuf_handle);
brcmf_msgbuf_release_pktids(msgbuf);
+ kfree(msgbuf->flowring_dma_handle);
kfree(msgbuf);
drvr->proto->pd = NULL;
}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
index bc972c0ba5f8..e5101b287e4e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
@@ -591,12 +591,13 @@ static void brcmf_pcie_handle_mb_data(struct brcmf_pciedev_info *devinfo)
}
if (dtoh_mb_data & BRCMF_D2H_DEV_DS_EXIT_NOTE)
brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP EXIT\n");
- if (dtoh_mb_data & BRCMF_D2H_DEV_D3_ACK)
+ if (dtoh_mb_data & BRCMF_D2H_DEV_D3_ACK) {
brcmf_dbg(PCIE, "D2H_MB_DATA: D3 ACK\n");
if (waitqueue_active(&devinfo->mbdata_resp_wait)) {
devinfo->mbdata_completed = true;
wake_up(&devinfo->mbdata_resp_wait);
}
+ }
}
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index c5aa404069f3..389656bd1a74 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -9853,6 +9853,7 @@ static int ipw_wx_get_wireless_mode(struct net_device *dev,
strncpy(extra, "unknown", MAX_WX_STRING);
break;
}
+ extra[MAX_WX_STRING - 1] = '\0';
IPW_DEBUG_WX("PRIV GET MODE: %s\n", extra);
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 0d6a8b768a68..7c8796584c25 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -396,7 +396,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
else
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
- hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
+ /* TODO: enable that only for firmwares that don't crash */
+ /* hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; */
hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
/* we create the 802.11 header and zero length SSID IE. */
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index ef3026f46a37..d4eb8d2e9cb7 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -165,6 +165,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */
u16 dealloc_ring[MAX_PENDING_REQS];
struct task_struct *dealloc_task;
wait_queue_head_t dealloc_wq;
+ atomic_t inflight_packets;
/* Use kthread for guest RX */
struct task_struct *task;
@@ -329,4 +330,8 @@ extern unsigned int xenvif_max_queues;
extern struct dentry *xen_netback_dbg_root;
#endif
+void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue,
+ struct sk_buff *skb);
+void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue);
+
#endif /* __XEN_NETBACK__COMMON_H__ */
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index bfd10cb9c8de..e29e15dca86e 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -43,6 +43,23 @@
#define XENVIF_QUEUE_LENGTH 32
#define XENVIF_NAPI_WEIGHT 64
+/* This function is used to set SKBTX_DEV_ZEROCOPY as well as
+ * increasing the inflight counter. We need to increase the inflight
+ * counter because core driver calls into xenvif_zerocopy_callback
+ * which calls xenvif_skb_zerocopy_complete.
+ */
+void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue,
+ struct sk_buff *skb)
+{
+ skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+ atomic_inc(&queue->inflight_packets);
+}
+
+void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue)
+{
+ atomic_dec(&queue->inflight_packets);
+}
+
static inline void xenvif_stop_queue(struct xenvif_queue *queue)
{
struct net_device *dev = queue->vif->dev;
@@ -524,9 +541,6 @@ int xenvif_init_queue(struct xenvif_queue *queue)
init_timer(&queue->rx_stalled);
- netif_napi_add(queue->vif->dev, &queue->napi, xenvif_poll,
- XENVIF_NAPI_WEIGHT);
-
return 0;
}
@@ -560,6 +574,7 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref,
init_waitqueue_head(&queue->wq);
init_waitqueue_head(&queue->dealloc_wq);
+ atomic_set(&queue->inflight_packets, 0);
if (tx_evtchn == rx_evtchn) {
/* feature-split-event-channels == 0 */
@@ -614,6 +629,9 @@ int xenvif_connect(struct xenvif_queue *queue, unsigned long tx_ring_ref,
wake_up_process(queue->task);
wake_up_process(queue->dealloc_task);
+ netif_napi_add(queue->vif->dev, &queue->napi, xenvif_poll,
+ XENVIF_NAPI_WEIGHT);
+
return 0;
err_rx_unbind:
@@ -642,25 +660,6 @@ void xenvif_carrier_off(struct xenvif *vif)
rtnl_unlock();
}
-static void xenvif_wait_unmap_timeout(struct xenvif_queue *queue,
- unsigned int worst_case_skb_lifetime)
-{
- int i, unmap_timeout = 0;
-
- for (i = 0; i < MAX_PENDING_REQS; ++i) {
- if (queue->grant_tx_handle[i] != NETBACK_INVALID_HANDLE) {
- unmap_timeout++;
- schedule_timeout(msecs_to_jiffies(1000));
- if (unmap_timeout > worst_case_skb_lifetime &&
- net_ratelimit())
- netdev_err(queue->vif->dev,
- "Page still granted! Index: %x\n",
- i);
- i = -1;
- }
- }
-}
-
void xenvif_disconnect(struct xenvif *vif)
{
struct xenvif_queue *queue = NULL;
@@ -672,6 +671,8 @@ void xenvif_disconnect(struct xenvif *vif)
for (queue_index = 0; queue_index < num_queues; ++queue_index) {
queue = &vif->queues[queue_index];
+ netif_napi_del(&queue->napi);
+
if (queue->task) {
del_timer_sync(&queue->rx_stalled);
kthread_stop(queue->task);
@@ -704,7 +705,6 @@ void xenvif_disconnect(struct xenvif *vif)
void xenvif_deinit_queue(struct xenvif_queue *queue)
{
free_xenballooned_pages(MAX_PENDING_REQS, queue->mmap_pages);
- netif_napi_del(&queue->napi);
}
void xenvif_free(struct xenvif *vif)
@@ -712,21 +712,11 @@ void xenvif_free(struct xenvif *vif)
struct xenvif_queue *queue = NULL;
unsigned int num_queues = vif->num_queues;
unsigned int queue_index;
- /* Here we want to avoid timeout messages if an skb can be legitimately
- * stuck somewhere else. Realistically this could be an another vif's
- * internal or QDisc queue. That another vif also has this
- * rx_drain_timeout_msecs timeout, so give it time to drain out.
- * Although if that other guest wakes up just before its timeout happens
- * and takes only one skb from QDisc, it can hold onto other skbs for a
- * longer period.
- */
- unsigned int worst_case_skb_lifetime = (rx_drain_timeout_msecs/1000);
unregister_netdev(vif->dev);
for (queue_index = 0; queue_index < num_queues; ++queue_index) {
queue = &vif->queues[queue_index];
- xenvif_wait_unmap_timeout(queue, worst_case_skb_lifetime);
xenvif_deinit_queue(queue);
}
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 4734472aa620..08f65996534c 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1525,10 +1525,12 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s
/* remove traces of mapped pages and frag_list */
skb_frag_list_init(skb);
uarg = skb_shinfo(skb)->destructor_arg;
+ /* increase inflight counter to offset decrement in callback */
+ atomic_inc(&queue->inflight_packets);
uarg->callback(uarg, true);
skb_shinfo(skb)->destructor_arg = NULL;
- skb_shinfo(nskb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+ xenvif_skb_zerocopy_prepare(queue, nskb);
kfree_skb(nskb);
return 0;
@@ -1589,7 +1591,7 @@ static int xenvif_tx_submit(struct xenvif_queue *queue)
if (net_ratelimit())
netdev_err(queue->vif->dev,
"Not enough memory to consolidate frag_list!\n");
- skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+ xenvif_skb_zerocopy_prepare(queue, skb);
kfree_skb(skb);
continue;
}
@@ -1609,7 +1611,7 @@ static int xenvif_tx_submit(struct xenvif_queue *queue)
"Can't setup checksum in net_tx_action\n");
/* We have to set this flag to trigger the callback */
if (skb_shinfo(skb)->destructor_arg)
- skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+ xenvif_skb_zerocopy_prepare(queue, skb);
kfree_skb(skb);
continue;
}
@@ -1641,7 +1643,7 @@ static int xenvif_tx_submit(struct xenvif_queue *queue)
* skb. E.g. the __pskb_pull_tail earlier can do such thing.
*/
if (skb_shinfo(skb)->destructor_arg) {
- skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+ xenvif_skb_zerocopy_prepare(queue, skb);
queue->stats.tx_zerocopy_sent++;
}
@@ -1681,6 +1683,7 @@ void xenvif_zerocopy_callback(struct ubuf_info *ubuf, bool zerocopy_success)
queue->stats.tx_zerocopy_success++;
else
queue->stats.tx_zerocopy_fail++;
+ xenvif_skb_zerocopy_complete(queue);
}
static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue)
@@ -2058,15 +2061,24 @@ int xenvif_kthread_guest_rx(void *data)
return 0;
}
+static bool xenvif_dealloc_kthread_should_stop(struct xenvif_queue *queue)
+{
+ /* Dealloc thread must remain running until all inflight
+ * packets complete.
+ */
+ return kthread_should_stop() &&
+ !atomic_read(&queue->inflight_packets);
+}
+
int xenvif_dealloc_kthread(void *data)
{
struct xenvif_queue *queue = data;
- while (!kthread_should_stop()) {
+ for (;;) {
wait_event_interruptible(queue->dealloc_wq,
tx_dealloc_work_todo(queue) ||
- kthread_should_stop());
- if (kthread_should_stop())
+ xenvif_dealloc_kthread_should_stop(queue));
+ if (xenvif_dealloc_kthread_should_stop(queue))
break;
xenvif_tx_dealloc_action(queue);
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 580517d857bf..9c47b897b6d2 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -116,6 +116,7 @@ static int xenvif_read_io_ring(struct seq_file *m, void *v)
}
#define XENVIF_KICK_STR "kick"
+#define BUFFER_SIZE 32
static ssize_t
xenvif_write_io_ring(struct file *filp, const char __user *buf, size_t count,
@@ -124,22 +125,24 @@ xenvif_write_io_ring(struct file *filp, const char __user *buf, size_t count,
struct xenvif_queue *queue =
((struct seq_file *)filp->private_data)->private;
int len;
- char write[sizeof(XENVIF_KICK_STR)];
+ char write[BUFFER_SIZE];
/* don't allow partial writes and check the length */
if (*ppos != 0)
return 0;
- if (count < sizeof(XENVIF_KICK_STR) - 1)
+ if (count >= sizeof(write))
return -ENOSPC;
len = simple_write_to_buffer(write,
- sizeof(write),
+ sizeof(write) - 1,
ppos,
buf,
count);
if (len < 0)
return len;
+ write[len] = '\0';
+
if (!strncmp(write, XENVIF_KICK_STR, sizeof(XENVIF_KICK_STR) - 1))
xenvif_interrupt(0, (void *)queue);
else {
@@ -171,10 +174,9 @@ static const struct file_operations xenvif_dbg_io_ring_ops_fops = {
.write = xenvif_write_io_ring,
};
-static void xenvif_debugfs_addif(struct xenvif_queue *queue)
+static void xenvif_debugfs_addif(struct xenvif *vif)
{
struct dentry *pfile;
- struct xenvif *vif = queue->vif;
int i;
if (IS_ERR_OR_NULL(xen_netback_dbg_root))
@@ -733,10 +735,11 @@ static void connect(struct backend_info *be)
be->vif->num_queues = queue_index;
goto err;
}
+ }
+
#ifdef CONFIG_DEBUG_FS
- xenvif_debugfs_addif(queue);
+ xenvif_debugfs_addif(be->vif);
#endif /* CONFIG_DEBUG_FS */
- }
/* Initialisation completed, tell core driver the number of
* active queues.
diff --git a/drivers/scsi/cxgbi/cxgb3i/Kconfig b/drivers/scsi/cxgbi/cxgb3i/Kconfig
index 6bbc36fbd6ec..e4603985dce3 100644
--- a/drivers/scsi/cxgbi/cxgb3i/Kconfig
+++ b/drivers/scsi/cxgbi/cxgb3i/Kconfig
@@ -1,6 +1,6 @@
config SCSI_CXGB3_ISCSI
tristate "Chelsio T3 iSCSI support"
- depends on PCI && INET
+ depends on PCI && INET && (IPV6 || IPV6=n)
select NETDEVICES
select ETHERNET
select NET_VENDOR_CHELSIO
diff --git a/drivers/scsi/cxgbi/cxgb4i/Kconfig b/drivers/scsi/cxgbi/cxgb4i/Kconfig
index 16b2c7d26617..8c4e423037b6 100644
--- a/drivers/scsi/cxgbi/cxgb4i/Kconfig
+++ b/drivers/scsi/cxgbi/cxgb4i/Kconfig
@@ -1,6 +1,6 @@
config SCSI_CXGB4_ISCSI
tristate "Chelsio T4 iSCSI support"
- depends on PCI && INET
+ depends on PCI && INET && (IPV6 || IPV6=n)
select NETDEVICES
select ETHERNET
select NET_VENDOR_CHELSIO
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 9cda293c867d..36826c0166c5 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -21,7 +21,7 @@
#include <linux/rculist.h>
struct rhash_head {
- struct rhash_head *next;
+ struct rhash_head __rcu *next;
};
#define INIT_HASH_HEAD(ptr) ((ptr)->next = NULL)
@@ -97,7 +97,7 @@ u32 rhashtable_obj_hashfn(const struct rhashtable *ht, void *ptr);
void rhashtable_insert(struct rhashtable *ht, struct rhash_head *node, gfp_t);
bool rhashtable_remove(struct rhashtable *ht, struct rhash_head *node, gfp_t);
void rhashtable_remove_pprev(struct rhashtable *ht, struct rhash_head *obj,
- struct rhash_head **pprev, gfp_t flags);
+ struct rhash_head __rcu **pprev, gfp_t flags);
bool rht_grow_above_75(const struct rhashtable *ht, size_t new_size);
bool rht_shrink_below_30(const struct rhashtable *ht, size_t new_size);
@@ -117,18 +117,12 @@ void rhashtable_destroy(const struct rhashtable *ht);
#define rht_dereference_rcu(p, ht) \
rcu_dereference_check(p, lockdep_rht_mutex_is_held(ht))
-/* Internal, use rht_obj() instead */
#define rht_entry(ptr, type, member) container_of(ptr, type, member)
#define rht_entry_safe(ptr, type, member) \
({ \
typeof(ptr) __ptr = (ptr); \
__ptr ? rht_entry(__ptr, type, member) : NULL; \
})
-#define rht_entry_safe_rcu(ptr, type, member) \
-({ \
- typeof(*ptr) __rcu *__ptr = (typeof(*ptr) __rcu __force *)ptr; \
- __ptr ? container_of((typeof(ptr))rcu_dereference_raw(__ptr), type, member) : NULL; \
-})
#define rht_next_entry_safe(pos, ht, member) \
({ \
@@ -205,9 +199,10 @@ void rhashtable_destroy(const struct rhashtable *ht);
* traversal is guarded by rcu_read_lock().
*/
#define rht_for_each_entry_rcu(pos, head, member) \
- for (pos = rht_entry_safe_rcu(head, typeof(*(pos)), member); \
+ for (pos = rht_entry_safe(rcu_dereference_raw(head), \
+ typeof(*(pos)), member); \
pos; \
- pos = rht_entry_safe_rcu((pos)->member.next, \
- typeof(*(pos)), member))
+ pos = rht_entry_safe(rcu_dereference_raw((pos)->member.next), \
+ typeof(*(pos)), member))
#endif /* _LINUX_RHASHTABLE_H */
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 7a4313887568..5fbe6568c3cf 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -62,6 +62,7 @@ struct inet_connection_sock_af_ops {
void (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
int (*bind_conflict)(const struct sock *sk,
const struct inet_bind_bucket *tb, bool relax);
+ void (*mtu_reduced)(struct sock *sk);
};
/** inet_connection_sock - INET connection oriented sock
diff --git a/include/net/sock.h b/include/net/sock.h
index 38805fa02e48..7f2ab72f321a 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -987,7 +987,6 @@ struct proto {
struct sk_buff *skb);
void (*release_cb)(struct sock *sk);
- void (*mtu_reduced)(struct sock *sk);
/* Keeping track of sk's, looking them up, and port selection methods. */
void (*hash)(struct sock *sk);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index dafa1cbc149b..590e01a476ac 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -417,7 +417,7 @@ void tcp_update_metrics(struct sock *sk);
void tcp_init_metrics(struct sock *sk);
void tcp_metrics_init(void);
bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst,
- bool paws_check);
+ bool paws_check, bool timestamps);
bool tcp_remember_stamp(struct sock *sk);
bool tcp_tw_remember_stamp(struct inet_timewait_sock *tw);
void tcp_fetch_timewait_stamp(struct sock *sk, struct dst_entry *dst);
@@ -448,6 +448,7 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th);
*/
void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb);
+void tcp_v4_mtu_reduced(struct sock *sk);
int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb);
struct sock *tcp_create_openreq_child(struct sock *sk,
struct request_sock *req,
@@ -705,8 +706,10 @@ struct tcp_skb_cb {
#define TCPCB_SACKED_RETRANS 0x02 /* SKB retransmitted */
#define TCPCB_LOST 0x04 /* SKB is lost */
#define TCPCB_TAGBITS 0x07 /* All tag bits */
+#define TCPCB_REPAIRED 0x10 /* SKB repaired (no skb_mstamp) */
#define TCPCB_EVER_RETRANS 0x80 /* Ever retransmitted frame */
-#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS)
+#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS| \
+ TCPCB_REPAIRED)
__u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */
/* 1 byte hole */
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index e6940cf16628..a2c78810ebc1 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -38,16 +38,10 @@ int lockdep_rht_mutex_is_held(const struct rhashtable *ht)
EXPORT_SYMBOL_GPL(lockdep_rht_mutex_is_held);
#endif
-/**
- * rht_obj - cast hash head to outer object
- * @ht: hash table
- * @he: hashed node
- */
-void *rht_obj(const struct rhashtable *ht, const struct rhash_head *he)
+static void *rht_obj(const struct rhashtable *ht, const struct rhash_head *he)
{
return (void *) he - ht->p.head_offset;
}
-EXPORT_SYMBOL_GPL(rht_obj);
static u32 __hashfn(const struct rhashtable *ht, const void *key,
u32 len, u32 hsize)
@@ -386,7 +380,7 @@ EXPORT_SYMBOL_GPL(rhashtable_insert);
* deletion when combined with walking or lookup.
*/
void rhashtable_remove_pprev(struct rhashtable *ht, struct rhash_head *obj,
- struct rhash_head **pprev, gfp_t flags)
+ struct rhash_head __rcu **pprev, gfp_t flags)
{
struct bucket_table *tbl = rht_dereference(ht->tbl, ht);
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 4c5b8ba0f84f..e4853b50cf40 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -833,7 +833,6 @@ static void *lec_tbl_walk(struct lec_state *state, struct hlist_head *tbl,
loff_t *l)
{
struct hlist_node *e = state->node;
- struct lec_arp_table *tmp;
if (!e)
e = tbl->first;
@@ -842,9 +841,7 @@ static void *lec_tbl_walk(struct lec_state *state, struct hlist_head *tbl,
--*l;
}
- tmp = container_of(e, struct lec_arp_table, next);
-
- hlist_for_each_entry_from(tmp, next) {
+ for (; e; e = e->next) {
if (--*l < 0)
break;
}
diff --git a/net/atm/svc.c b/net/atm/svc.c
index d8e5d0c2ebbc..1ba23f5018e7 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -50,12 +50,12 @@ static void svc_disconnect(struct atm_vcc *vcc)
pr_debug("%p\n", vcc);
if (test_bit(ATM_VF_REGIS, &vcc->flags)) {
- prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
sigd_enq(vcc, as_close, NULL, NULL, NULL);
- while (!test_bit(ATM_VF_RELEASED, &vcc->flags) && sigd) {
+ for (;;) {
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
+ if (test_bit(ATM_VF_RELEASED, &vcc->flags) || !sigd)
+ break;
schedule();
- prepare_to_wait(sk_sleep(sk), &wait,
- TASK_UNINTERRUPTIBLE);
}
finish_wait(sk_sleep(sk), &wait);
}
@@ -126,11 +126,12 @@ static int svc_bind(struct socket *sock, struct sockaddr *sockaddr,
}
vcc->local = *addr;
set_bit(ATM_VF_WAITING, &vcc->flags);
- prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
sigd_enq(vcc, as_bind, NULL, NULL, &vcc->local);
- while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) {
- schedule();
+ for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
+ if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd)
+ break;
+ schedule();
}
finish_wait(sk_sleep(sk), &wait);
clear_bit(ATM_VF_REGIS, &vcc->flags); /* doesn't count */
@@ -202,15 +203,14 @@ static int svc_connect(struct socket *sock, struct sockaddr *sockaddr,
}
vcc->remote = *addr;
set_bit(ATM_VF_WAITING, &vcc->flags);
- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
sigd_enq(vcc, as_connect, NULL, NULL, &vcc->remote);
if (flags & O_NONBLOCK) {
- finish_wait(sk_sleep(sk), &wait);
sock->state = SS_CONNECTING;
error = -EINPROGRESS;
goto out;
}
error = 0;
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) {
schedule();
if (!signal_pending(current)) {
@@ -297,11 +297,12 @@ static int svc_listen(struct socket *sock, int backlog)
goto out;
}
set_bit(ATM_VF_WAITING, &vcc->flags);
- prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
sigd_enq(vcc, as_listen, NULL, NULL, &vcc->local);
- while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) {
- schedule();
+ for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
+ if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd)
+ break;
+ schedule();
}
finish_wait(sk_sleep(sk), &wait);
if (!sigd) {
@@ -387,15 +388,15 @@ static int svc_accept(struct socket *sock, struct socket *newsock, int flags)
}
/* wait should be short, so we ignore the non-blocking flag */
set_bit(ATM_VF_WAITING, &new_vcc->flags);
- prepare_to_wait(sk_sleep(sk_atm(new_vcc)), &wait,
- TASK_UNINTERRUPTIBLE);
sigd_enq(new_vcc, as_accept, old_vcc, NULL, NULL);
- while (test_bit(ATM_VF_WAITING, &new_vcc->flags) && sigd) {
+ for (;;) {
+ prepare_to_wait(sk_sleep(sk_atm(new_vcc)), &wait,
+ TASK_UNINTERRUPTIBLE);
+ if (!test_bit(ATM_VF_WAITING, &new_vcc->flags) || !sigd)
+ break;
release_sock(sk);
schedule();
lock_sock(sk);
- prepare_to_wait(sk_sleep(sk_atm(new_vcc)), &wait,
- TASK_UNINTERRUPTIBLE);
}
finish_wait(sk_sleep(sk_atm(new_vcc)), &wait);
if (!sigd) {
@@ -433,12 +434,14 @@ int svc_change_qos(struct atm_vcc *vcc, struct atm_qos *qos)
DEFINE_WAIT(wait);
set_bit(ATM_VF_WAITING, &vcc->flags);
- prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
sigd_enq2(vcc, as_modify, NULL, NULL, &vcc->local, qos, 0);
- while (test_bit(ATM_VF_WAITING, &vcc->flags) &&
- !test_bit(ATM_VF_RELEASED, &vcc->flags) && sigd) {
- schedule();
+ for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_UNINTERRUPTIBLE);
+ if (!test_bit(ATM_VF_WAITING, &vcc->flags) ||
+ test_bit(ATM_VF_RELEASED, &vcc->flags) || !sigd) {
+ break;
+ }
+ schedule();
}
finish_wait(sk_sleep(sk), &wait);
if (!sigd)
@@ -529,18 +532,18 @@ static int svc_addparty(struct socket *sock, struct sockaddr *sockaddr,
lock_sock(sk);
set_bit(ATM_VF_WAITING, &vcc->flags);
- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
sigd_enq(vcc, as_addparty, NULL, NULL,
(struct sockaddr_atmsvc *) sockaddr);
if (flags & O_NONBLOCK) {
- finish_wait(sk_sleep(sk), &wait);
error = -EINPROGRESS;
goto out;
}
pr_debug("added wait queue\n");
- while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) {
- schedule();
+ for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
+ if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd)
+ break;
+ schedule();
}
finish_wait(sk_sleep(sk), &wait);
error = xchg(&sk->sk_err_soft, 0);
@@ -558,11 +561,12 @@ static int svc_dropparty(struct socket *sock, int ep_ref)
lock_sock(sk);
set_bit(ATM_VF_WAITING, &vcc->flags);
- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
sigd_enq2(vcc, as_dropparty, NULL, NULL, NULL, NULL, ep_ref);
- while (test_bit(ATM_VF_WAITING, &vcc->flags) && sigd) {
- schedule();
+ for (;;) {
prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
+ if (!test_bit(ATM_VF_WAITING, &vcc->flags) || !sigd)
+ break;
+ schedule();
}
finish_wait(sk_sleep(sk), &wait);
if (!sigd) {
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 181b70ebd964..541f26a67ba2 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1188,13 +1188,6 @@ new_segment:
goto wait_for_memory;
/*
- * All packets are restored as if they have
- * already been sent.
- */
- if (tp->repair)
- TCP_SKB_CB(skb)->when = tcp_time_stamp;
-
- /*
* Check whether we can use HW checksum.
*/
if (sk->sk_route_caps & NETIF_F_ALL_CSUM)
@@ -1203,6 +1196,13 @@ new_segment:
skb_entail(sk, skb);
copy = size_goal;
max = size_goal;
+
+ /* All packets are restored as if they have
+ * already been sent. skb_mstamp isn't set to
+ * avoid wrong rtt estimation.
+ */
+ if (tp->repair)
+ TCP_SKB_CB(skb)->sacked |= TCPCB_REPAIRED;
}
/* Try to append data to the end of skb. */
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index a3d47af01906..a906e0200ff2 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2687,7 +2687,6 @@ static void tcp_enter_recovery(struct sock *sk, bool ece_ack)
*/
static void tcp_process_loss(struct sock *sk, int flag, bool is_dupack)
{
- struct inet_connection_sock *icsk = inet_csk(sk);
struct tcp_sock *tp = tcp_sk(sk);
bool recovered = !before(tp->snd_una, tp->high_seq);
@@ -2713,12 +2712,9 @@ static void tcp_process_loss(struct sock *sk, int flag, bool is_dupack)
if (recovered) {
/* F-RTO RFC5682 sec 3.1 step 2.a and 1st part of step 3.a */
- icsk->icsk_retransmits = 0;
tcp_try_undo_recovery(sk);
return;
}
- if (flag & FLAG_DATA_ACKED)
- icsk->icsk_retransmits = 0;
if (tcp_is_reno(tp)) {
/* A Reno DUPACK means new data in F-RTO step 2.b above are
* delivered. Lower inflight to clock out (re)tranmissions.
@@ -3050,10 +3046,15 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets,
first_ackt.v64 = 0;
while ((skb = tcp_write_queue_head(sk)) && skb != tcp_send_head(sk)) {
+ struct skb_shared_info *shinfo = skb_shinfo(skb);
struct tcp_skb_cb *scb = TCP_SKB_CB(skb);
u8 sacked = scb->sacked;
u32 acked_pcount;
+ if (unlikely(shinfo->tx_flags & SKBTX_ACK_TSTAMP) &&
+ between(shinfo->tskey, prior_snd_una, tp->snd_una - 1))
+ __skb_tstamp_tx(skb, NULL, sk, SCM_TSTAMP_ACK);
+
/* Determine how many packets and what bytes were acked, tso and else */
if (after(scb->end_seq, tp->snd_una)) {
if (tcp_skb_pcount(skb) == 1 ||
@@ -3107,11 +3108,6 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets,
tp->retrans_stamp = 0;
}
- if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_ACK_TSTAMP) &&
- between(skb_shinfo(skb)->tskey, prior_snd_una,
- tp->snd_una + 1))
- __skb_tstamp_tx(skb, NULL, sk, SCM_TSTAMP_ACK);
-
if (!fully_acked)
break;
@@ -3405,8 +3401,10 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
icsk->icsk_pending == ICSK_TIME_LOSS_PROBE)
tcp_rearm_rto(sk);
- if (after(ack, prior_snd_una))
+ if (after(ack, prior_snd_una)) {
flag |= FLAG_SND_UNA_ADVANCED;
+ icsk->icsk_retransmits = 0;
+ }
prior_fackets = tp->fackets_out;
@@ -5979,12 +5977,14 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
* timewait bucket, so that all the necessary checks
* are made in the function processing timewait state.
*/
- if (tmp_opt.saw_tstamp && tcp_death_row.sysctl_tw_recycle) {
+ if (tcp_death_row.sysctl_tw_recycle) {
bool strict;
dst = af_ops->route_req(sk, &fl, req, &strict);
+
if (dst && strict &&
- !tcp_peer_is_proven(req, dst, true)) {
+ !tcp_peer_is_proven(req, dst, true,
+ tmp_opt.saw_tstamp)) {
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_PAWSPASSIVEREJECTED);
goto drop_and_release;
}
@@ -5993,7 +5993,8 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
else if (!sysctl_tcp_syncookies &&
(sysctl_max_syn_backlog - inet_csk_reqsk_queue_len(sk) <
(sysctl_max_syn_backlog >> 2)) &&
- !tcp_peer_is_proven(req, dst, false)) {
+ !tcp_peer_is_proven(req, dst, false,
+ tmp_opt.saw_tstamp)) {
/* Without syncookies last quarter of
* backlog is filled with destinations,
* proven to be alive.
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index dceff5fe8e66..cd17f009aede 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -271,7 +271,7 @@ EXPORT_SYMBOL(tcp_v4_connect);
* It can be called through tcp_release_cb() if socket was owned by user
* at the time tcp_v4_err() was called to handle ICMP message.
*/
-static void tcp_v4_mtu_reduced(struct sock *sk)
+void tcp_v4_mtu_reduced(struct sock *sk)
{
struct dst_entry *dst;
struct inet_sock *inet = inet_sk(sk);
@@ -302,6 +302,7 @@ static void tcp_v4_mtu_reduced(struct sock *sk)
tcp_simple_retransmit(sk);
} /* else let the usual retransmit timer handle it */
}
+EXPORT_SYMBOL(tcp_v4_mtu_reduced);
static void do_redirect(struct sk_buff *skb, struct sock *sk)
{
@@ -1787,6 +1788,7 @@ const struct inet_connection_sock_af_ops ipv4_specific = {
.compat_setsockopt = compat_ip_setsockopt,
.compat_getsockopt = compat_ip_getsockopt,
#endif
+ .mtu_reduced = tcp_v4_mtu_reduced,
};
EXPORT_SYMBOL(ipv4_specific);
@@ -2406,7 +2408,6 @@ struct proto tcp_prot = {
.sendpage = tcp_sendpage,
.backlog_rcv = tcp_v4_do_rcv,
.release_cb = tcp_release_cb,
- .mtu_reduced = tcp_v4_mtu_reduced,
.hash = inet_hash,
.unhash = inet_unhash,
.get_port = inet_csk_get_port,
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 0d54e59b9ea8..ed9c9a91851c 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -576,7 +576,8 @@ reset:
tp->snd_cwnd_stamp = tcp_time_stamp;
}
-bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool paws_check)
+bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst,
+ bool paws_check, bool timestamps)
{
struct tcp_metrics_block *tm;
bool ret;
@@ -589,7 +590,8 @@ bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool pa
if (paws_check) {
if (tm &&
(u32)get_seconds() - tm->tcpm_ts_stamp < TCP_PAWS_MSL &&
- (s32)(tm->tcpm_ts - req->ts_recent) > TCP_PAWS_WINDOW)
+ ((s32)(tm->tcpm_ts - req->ts_recent) > TCP_PAWS_WINDOW ||
+ !timestamps))
ret = false;
else
ret = true;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 8fcfc91964ec..5a7c41fbc6d3 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -800,7 +800,7 @@ void tcp_release_cb(struct sock *sk)
__sock_put(sk);
}
if (flags & (1UL << TCP_MTU_REDUCED_DEFERRED)) {
- sk->sk_prot->mtu_reduced(sk);
+ inet_csk(sk)->icsk_af_ops->mtu_reduced(sk);
__sock_put(sk);
}
}
@@ -1069,6 +1069,21 @@ static void tcp_adjust_pcount(struct sock *sk, const struct sk_buff *skb, int de
tcp_verify_left_out(tp);
}
+static void tcp_fragment_tstamp(struct sk_buff *skb, struct sk_buff *skb2)
+{
+ struct skb_shared_info *shinfo = skb_shinfo(skb);
+
+ if (unlikely(shinfo->tx_flags & SKBTX_ANY_TSTAMP) &&
+ !before(shinfo->tskey, TCP_SKB_CB(skb2)->seq)) {
+ struct skb_shared_info *shinfo2 = skb_shinfo(skb2);
+ u8 tsflags = shinfo->tx_flags & SKBTX_ANY_TSTAMP;
+
+ shinfo->tx_flags &= ~tsflags;
+ shinfo2->tx_flags |= tsflags;
+ swap(shinfo->tskey, shinfo2->tskey);
+ }
+}
+
/* Function to create two new TCP segments. Shrinks the given segment
* to the specified size and appends a new segment with the rest of the
* packet to the list. This won't be called frequently, I hope.
@@ -1136,6 +1151,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len,
*/
TCP_SKB_CB(buff)->when = TCP_SKB_CB(skb)->when;
buff->tstamp = skb->tstamp;
+ tcp_fragment_tstamp(skb, buff);
old_factor = tcp_skb_pcount(skb);
@@ -1652,6 +1668,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
buff->ip_summed = skb->ip_summed = CHECKSUM_PARTIAL;
skb_split(skb, buff, len);
+ tcp_fragment_tstamp(skb, buff);
/* Fix up tso_factor for both original and new SKB. */
tcp_set_skb_tso_segs(sk, skb, mss_now);
@@ -1917,8 +1934,11 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
tso_segs = tcp_init_tso_segs(sk, skb, mss_now);
BUG_ON(!tso_segs);
- if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE)
+ if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) {
+ /* "when" is used as a start point for the retransmit timer */
+ TCP_SKB_CB(skb)->when = tcp_time_stamp;
goto repair; /* Skip network transmission */
+ }
cwnd_quota = tcp_cwnd_test(tp, skb);
if (!cwnd_quota) {
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 2e9ba035fb5f..6163f851dc01 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -101,19 +101,19 @@ static struct ip_tunnel *ipip6_tunnel_lookup(struct net *net,
for_each_ip_tunnel_rcu(t, sitn->tunnels_r_l[h0 ^ h1]) {
if (local == t->parms.iph.saddr &&
remote == t->parms.iph.daddr &&
- (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+ (!dev || !t->parms.link || dev->ifindex == t->parms.link) &&
(t->dev->flags & IFF_UP))
return t;
}
for_each_ip_tunnel_rcu(t, sitn->tunnels_r[h0]) {
if (remote == t->parms.iph.daddr &&
- (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+ (!dev || !t->parms.link || dev->ifindex == t->parms.link) &&
(t->dev->flags & IFF_UP))
return t;
}
for_each_ip_tunnel_rcu(t, sitn->tunnels_l[h1]) {
if (local == t->parms.iph.saddr &&
- (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+ (!dev || !t->parms.link || dev->ifindex == t->parms.link) &&
(t->dev->flags & IFF_UP))
return t;
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f2ce95502392..29964c3d363c 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1595,6 +1595,7 @@ static const struct inet_connection_sock_af_ops ipv6_specific = {
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
+ .mtu_reduced = tcp_v6_mtu_reduced,
};
#ifdef CONFIG_TCP_MD5SIG
@@ -1625,6 +1626,7 @@ static const struct inet_connection_sock_af_ops ipv6_mapped = {
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
#endif
+ .mtu_reduced = tcp_v4_mtu_reduced,
};
#ifdef CONFIG_TCP_MD5SIG
@@ -1864,7 +1866,6 @@ struct proto tcpv6_prot = {
.sendpage = tcp_sendpage,
.backlog_rcv = tcp_v6_do_rcv,
.release_cb = tcp_release_cb,
- .mtu_reduced = tcp_v6_mtu_reduced,
.hash = tcp_v6_hash,
.unhash = inet_unhash,
.get_port = inet_csk_get_port,
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 9ea0c933b9ff..a37998c6273d 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -622,7 +622,7 @@ void irlap_send_rd_frame(struct irlap_cb *self)
frame = (struct rd_frame *)skb_put(tx_skb, 2);
frame->caddr = self->caddr;
- frame->caddr = RD_RSP | PF_BIT;
+ frame->control = RD_RSP | PF_BIT;
irlap_queue_xmit(self, tx_skb);
}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 2e152e5f2186..c416725d28c4 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2921,6 +2921,7 @@ static struct sock *netlink_seq_socket_idx(struct seq_file *seq, loff_t pos)
}
static void *netlink_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(RCU)
{
rcu_read_lock();
return *pos ? netlink_seq_socket_idx(seq, *pos - 1) : SEQ_START_TOKEN;
@@ -2970,6 +2971,7 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void netlink_seq_stop(struct seq_file *seq, void *v)
+ __releases(RCU)
{
rcu_read_unlock();
}
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 702fb21bfe15..6d8f2ec481d9 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -137,8 +137,10 @@ struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *ops,
vport->ops = ops;
INIT_HLIST_NODE(&vport->dp_hash_node);
- if (ovs_vport_set_upcall_portids(vport, parms->upcall_portids))
+ if (ovs_vport_set_upcall_portids(vport, parms->upcall_portids)) {
+ kfree(vport);
return ERR_PTR(-EINVAL);
+ }
vport->percpu_stats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!vport->percpu_stats) {