Commit 4848490c authored by Linus Torvalds's avatar Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
  niu: VLAN_ETH_HLEN should be used to make sure that the whole MAC header was copied to the head buffer in the Vlan packets case
  KS8851: Fix ks8851_set_rx_mode() for IFF_MULTICAST
  KS8851: Fix MAC address write order
  KS8851: Add soft reset at probe time
  net: fix section mismatch in fec.c
  net: Fix struct inet_timewait_sock bitfield annotation
  tcp: Try to catch MSG_PEEK bug
  net: Fix IP_MULTICAST_IF
  bluetooth: static lock key fix
  bluetooth: scheduling while atomic bug fix
  tcp: fix TCP_DEFER_ACCEPT retrans calculation
  tcp: reduce SYN-ACK retrans for TCP_DEFER_ACCEPT
  tcp: accept socket after TCP_DEFER_ACCEPT period
  Revert "tcp: fix tcp_defer_accept to consider the timeout"
  AF_UNIX: Fix deadlock on connecting to shutdown socket
  ethoc: clear only pending irqs
  ethoc: inline regs access
  vmxnet3: use dev_dbg, fix build for CONFIG_BLOCK=n
  virtio_net: use dev_kfree_skb_any() in free_old_xmit_skbs()
  be2net: fix support for PCI hot plug
  ...
parents d995053d 845de8af
......@@ -243,15 +243,26 @@ static int be_POST_stage_get(struct be_adapter *adapter, u16 *stage)
int be_cmd_POST(struct be_adapter *adapter)
{
u16 stage, error;
u16 stage;
int status, timeout = 0;
error = be_POST_stage_get(adapter, &stage);
if (error || stage != POST_STAGE_ARMFW_RDY) {
dev_err(&adapter->pdev->dev, "POST failed.\n");
return -1;
}
do {
status = be_POST_stage_get(adapter, &stage);
if (status) {
dev_err(&adapter->pdev->dev, "POST error; stage=0x%x\n",
stage);
return -1;
} else if (stage != POST_STAGE_ARMFW_RDY) {
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(2 * HZ);
timeout += 2;
} else {
return 0;
}
} while (timeout < 20);
return 0;
dev_err(&adapter->pdev->dev, "POST timeout; stage=0x%x\n", stage);
return -1;
}
static inline void *embedded_payload(struct be_mcc_wrb *wrb)
......@@ -729,8 +740,8 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
/* Create an rx filtering policy configuration on an i/f
* Uses mbox
*/
int be_cmd_if_create(struct be_adapter *adapter, u32 flags, u8 *mac,
bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_if_create *req;
......@@ -746,8 +757,8 @@ int be_cmd_if_create(struct be_adapter *adapter, u32 flags, u8 *mac,
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
req->capability_flags = cpu_to_le32(flags);
req->enable_flags = cpu_to_le32(flags);
req->capability_flags = cpu_to_le32(cap_flags);
req->enable_flags = cpu_to_le32(en_flags);
req->pmac_invalid = pmac_invalid;
if (!pmac_invalid)
memcpy(req->mac_addr, mac, ETH_ALEN);
......
......@@ -720,8 +720,9 @@ extern int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
extern int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
u32 if_id, u32 *pmac_id);
extern int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id);
extern int be_cmd_if_create(struct be_adapter *adapter, u32 if_flags, u8 *mac,
bool pmac_invalid, u32 *if_handle, u32 *pmac_id);
extern int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags,
u32 en_flags, u8 *mac, bool pmac_invalid,
u32 *if_handle, u32 *pmac_id);
extern int be_cmd_if_destroy(struct be_adapter *adapter, u32 if_handle);
extern int be_cmd_eq_create(struct be_adapter *adapter,
struct be_queue_info *eq, int eq_delay);
......
......@@ -1620,19 +1620,22 @@ static int be_open(struct net_device *netdev)
static int be_setup(struct be_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
u32 if_flags;
u32 cap_flags, en_flags;
int status;
if_flags = BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_PROMISCUOUS |
BE_IF_FLAGS_MCAST_PROMISCUOUS | BE_IF_FLAGS_UNTAGGED |
BE_IF_FLAGS_PASS_L3L4_ERRORS;
status = be_cmd_if_create(adapter, if_flags, netdev->dev_addr,
false/* pmac_invalid */, &adapter->if_handle,
&adapter->pmac_id);
cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST |
BE_IF_FLAGS_MCAST_PROMISCUOUS |
BE_IF_FLAGS_PROMISCUOUS |
BE_IF_FLAGS_PASS_L3L4_ERRORS;
en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST |
BE_IF_FLAGS_PASS_L3L4_ERRORS;
status = be_cmd_if_create(adapter, cap_flags, en_flags,
netdev->dev_addr, false/* pmac_invalid */,
&adapter->if_handle, &adapter->pmac_id);
if (status != 0)
goto do_none;
status = be_tx_queues_create(adapter);
if (status != 0)
goto if_destroy;
......@@ -2055,6 +2058,10 @@ static int be_hw_up(struct be_adapter *adapter)
if (status)
return status;
status = be_cmd_reset_function(adapter);
if (status)
return status;
status = be_cmd_get_fw_ver(adapter, adapter->fw_ver);
if (status)
return status;
......@@ -2108,10 +2115,6 @@ static int __devinit be_probe(struct pci_dev *pdev,
if (status)
goto free_netdev;
status = be_cmd_reset_function(adapter);
if (status)
goto ctrl_clean;
status = be_stats_init(adapter);
if (status)
goto ctrl_clean;
......
......@@ -223,24 +223,25 @@ struct ethoc_bd {
u32 addr;
};
static u32 ethoc_read(struct ethoc *dev, loff_t offset)
static inline u32 ethoc_read(struct ethoc *dev, loff_t offset)
{
return ioread32(dev->iobase + offset);
}
static void ethoc_write(struct ethoc *dev, loff_t offset, u32 data)
static inline void ethoc_write(struct ethoc *dev, loff_t offset, u32 data)
{
iowrite32(data, dev->iobase + offset);
}
static void ethoc_read_bd(struct ethoc *dev, int index, struct ethoc_bd *bd)
static inline void ethoc_read_bd(struct ethoc *dev, int index,
struct ethoc_bd *bd)
{
loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd));
bd->stat = ethoc_read(dev, offset + 0);
bd->addr = ethoc_read(dev, offset + 4);
}
static void ethoc_write_bd(struct ethoc *dev, int index,
static inline void ethoc_write_bd(struct ethoc *dev, int index,
const struct ethoc_bd *bd)
{
loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd));
......@@ -248,33 +249,33 @@ static void ethoc_write_bd(struct ethoc *dev, int index,
ethoc_write(dev, offset + 4, bd->addr);
}
static void ethoc_enable_irq(struct ethoc *dev, u32 mask)
static inline void ethoc_enable_irq(struct ethoc *dev, u32 mask)
{
u32 imask = ethoc_read(dev, INT_MASK);
imask |= mask;
ethoc_write(dev, INT_MASK, imask);
}
static void ethoc_disable_irq(struct ethoc *dev, u32 mask)
static inline void ethoc_disable_irq(struct ethoc *dev, u32 mask)
{
u32 imask = ethoc_read(dev, INT_MASK);
imask &= ~mask;
ethoc_write(dev, INT_MASK, imask);
}
static void ethoc_ack_irq(struct ethoc *dev, u32 mask)
static inline void ethoc_ack_irq(struct ethoc *dev, u32 mask)
{
ethoc_write(dev, INT_SOURCE, mask);
}
static void ethoc_enable_rx_and_tx(struct ethoc *dev)
static inline void ethoc_enable_rx_and_tx(struct ethoc *dev)
{
u32 mode = ethoc_read(dev, MODER);
mode |= MODER_RXEN | MODER_TXEN;
ethoc_write(dev, MODER, mode);
}
static void ethoc_disable_rx_and_tx(struct ethoc *dev)
static inline void ethoc_disable_rx_and_tx(struct ethoc *dev)
{
u32 mode = ethoc_read(dev, MODER);
mode &= ~(MODER_RXEN | MODER_TXEN);
......@@ -508,7 +509,7 @@ static irqreturn_t ethoc_interrupt(int irq, void *dev_id)
return IRQ_NONE;
}
ethoc_ack_irq(priv, INT_MASK_ALL);
ethoc_ack_irq(priv, pending);
if (pending & INT_MASK_BUSY) {
dev_err(&dev->dev, "packet dropped\n");
......
......@@ -1654,7 +1654,7 @@ static const struct net_device_ops fec_netdev_ops = {
*
* index is only used in legacy code
*/
int __init fec_enet_init(struct net_device *dev, int index)
static int fec_enet_init(struct net_device *dev, int index)
{
struct fec_enet_private *fep = netdev_priv(dev);
struct bufdesc *cbd_base;
......
......@@ -170,6 +170,36 @@ static void ks8851_wrreg16(struct ks8851_net *ks, unsigned reg, unsigned val)
ks_err(ks, "spi_sync() failed\n");
}
/**
* ks8851_wrreg8 - write 8bit register value to chip
* @ks: The chip state
* @reg: The register address
* @val: The value to write
*
* Issue a write to put the value @val into the register specified in @reg.
*/
static void ks8851_wrreg8(struct ks8851_net *ks, unsigned reg, unsigned val)
{
struct spi_transfer *xfer = &ks->spi_xfer1;
struct spi_message *msg = &ks->spi_msg1;
__le16 txb[2];
int ret;
int bit;
bit = 1 << (reg & 3);
txb[0] = cpu_to_le16(MK_OP(bit, reg) | KS_SPIOP_WR);
txb[1] = val;
xfer->tx_buf = txb;
xfer->rx_buf = NULL;
xfer->len = 3;
ret = spi_sync(ks->spidev, msg);
if (ret < 0)
ks_err(ks, "spi_sync() failed\n");
}
/**
* ks8851_rx_1msg - select whether to use one or two messages for spi read
* @ks: The device structure
......@@ -322,13 +352,12 @@ static void ks8851_soft_reset(struct ks8851_net *ks, unsigned op)
static int ks8851_write_mac_addr(struct net_device *dev)
{
struct ks8851_net *ks = netdev_priv(dev);
u16 *mcp = (u16 *)dev->dev_addr;
int i;
mutex_lock(&ks->lock);
ks8851_wrreg16(ks, KS_MARL, mcp[0]);
ks8851_wrreg16(ks, KS_MARM, mcp[1]);
ks8851_wrreg16(ks, KS_MARH, mcp[2]);
for (i = 0; i < ETH_ALEN; i++)
ks8851_wrreg8(ks, KS_MAR(i), dev->dev_addr[i]);
mutex_unlock(&ks->lock);
......@@ -951,7 +980,7 @@ static void ks8851_set_rx_mode(struct net_device *dev)
mcptr = mcptr->next;
}
rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXAE | RXCR1_RXPAFMA;
rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXPAFMA;
} else {
/* just accept broadcast / unicast */
rxctrl.rxcr1 = RXCR1_RXPAFMA;
......@@ -1239,6 +1268,9 @@ static int __devinit ks8851_probe(struct spi_device *spi)
ndev->netdev_ops = &ks8851_netdev_ops;
ndev->irq = spi->irq;
/* issue a global soft reset to reset the device. */
ks8851_soft_reset(ks, GRR_GSR);
/* simple check for a valid chip being connected to the bus */
if ((ks8851_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) {
......
......@@ -16,6 +16,7 @@
#define CCR_32PIN (1 << 0)
/* MAC address registers */
#define KS_MAR(_m) 0x15 - (_m)
#define KS_MARL 0x10
#define KS_MARM 0x12
#define KS_MARH 0x14
......
......@@ -3545,7 +3545,7 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
rp->rcr_index = index;
skb_reserve(skb, NET_IP_ALIGN);
__pskb_pull_tail(skb, min(len, NIU_RXPULL_MAX));
__pskb_pull_tail(skb, min(len, VLAN_ETH_HLEN));
rp->rx_packets++;
rp->rx_bytes += skb->len;
......
......@@ -454,7 +454,7 @@ static unsigned int free_old_xmit_skbs(struct virtnet_info *vi)
vi->dev->stats.tx_bytes += skb->len;
vi->dev->stats.tx_packets++;
tot_sgs += skb_vnet_hdr(skb)->num_sg;
kfree_skb(skb);
dev_kfree_skb_any(skb);
}
return tot_sgs;
}
......
......@@ -481,7 +481,8 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
}
rq->uncommitted[ring_idx] += num_allocated;
dprintk(KERN_ERR "alloc_rx_buf: %d allocated, next2fill %u, next2comp "
dev_dbg(&adapter->netdev->dev,
"alloc_rx_buf: %d allocated, next2fill %u, next2comp "
"%u, uncommited %u\n", num_allocated, ring->next2fill,
ring->next2comp, rq->uncommitted[ring_idx]);
......@@ -539,7 +540,8 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
tbi = tq->buf_info + tq->tx_ring.next2fill;
tbi->map_type = VMXNET3_MAP_NONE;
dprintk(KERN_ERR "txd[%u]: 0x%Lx 0x%x 0x%x\n",
dev_dbg(&adapter->netdev->dev,
"txd[%u]: 0x%Lx 0x%x 0x%x\n",
tq->tx_ring.next2fill, ctx->sop_txd->txd.addr,
ctx->sop_txd->dword[2], ctx->sop_txd->dword[3]);
vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
......@@ -572,7 +574,8 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
gdesc->dword[2] = dw2 | buf_size;
gdesc->dword[3] = 0;
dprintk(KERN_ERR "txd[%u]: 0x%Lx 0x%x 0x%x\n",
dev_dbg(&adapter->netdev->dev,
"txd[%u]: 0x%Lx 0x%x 0x%x\n",
tq->tx_ring.next2fill, gdesc->txd.addr,
gdesc->dword[2], gdesc->dword[3]);
vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
......@@ -600,7 +603,8 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
gdesc->dword[2] = dw2 | frag->size;
gdesc->dword[3] = 0;
dprintk(KERN_ERR "txd[%u]: 0x%llu %u %u\n",
dev_dbg(&adapter->netdev->dev,
"txd[%u]: 0x%llu %u %u\n",
tq->tx_ring.next2fill, gdesc->txd.addr,
gdesc->dword[2], gdesc->dword[3]);
vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
......@@ -697,7 +701,8 @@ vmxnet3_parse_and_copy_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
tdd = tq->data_ring.base + tq->tx_ring.next2fill;
memcpy(tdd->data, skb->data, ctx->copy_size);
dprintk(KERN_ERR "copy %u bytes to dataRing[%u]\n",
dev_dbg(&adapter->netdev->dev,
"copy %u bytes to dataRing[%u]\n",
ctx->copy_size, tq->tx_ring.next2fill);
return 1;
......@@ -808,7 +813,8 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
if (count > vmxnet3_cmd_ring_desc_avail(&tq->tx_ring)) {
tq->stats.tx_ring_full++;
dprintk(KERN_ERR "tx queue stopped on %s, next2comp %u"
dev_dbg(&adapter->netdev->dev,
"tx queue stopped on %s, next2comp %u"
" next2fill %u\n", adapter->netdev->name,
tq->tx_ring.next2comp, tq->tx_ring.next2fill);
......@@ -853,7 +859,8 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
/* finally flips the GEN bit of the SOP desc */
gdesc->dword[2] ^= VMXNET3_TXD_GEN;
dprintk(KERN_ERR "txd[%u]: SOP 0x%Lx 0x%x 0x%x\n",
dev_dbg(&adapter->netdev->dev,
"txd[%u]: SOP 0x%Lx 0x%x 0x%x\n",
(u32)((union Vmxnet3_GenericDesc *)ctx.sop_txd -
tq->tx_ring.base), gdesc->txd.addr, gdesc->dword[2],
gdesc->dword[3]);
......@@ -990,7 +997,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
if (unlikely(rcd->len == 0)) {
/* Pretend the rx buffer is skipped. */
BUG_ON(!(rcd->sop && rcd->eop));
dprintk(KERN_ERR "rxRing[%u][%u] 0 length\n",
dev_dbg(&adapter->netdev->dev,
"rxRing[%u][%u] 0 length\n",
ring_idx, idx);
goto rcd_done;
}
......@@ -1683,7 +1691,8 @@ vmxnet3_activate_dev(struct vmxnet3_adapter *adapter)
int err;
u32 ret;
dprintk(KERN_ERR "%s: skb_buf_size %d, rx_buf_per_pkt %d, ring sizes"
dev_dbg(&adapter->netdev->dev,
"%s: skb_buf_size %d, rx_buf_per_pkt %d, ring sizes"
" %u %u %u\n", adapter->netdev->name, adapter->skb_buf_size,
adapter->rx_buf_per_pkt, adapter->tx_queue.tx_ring.size,
adapter->rx_queue.rx_ring[0].size,
......
......@@ -30,6 +30,7 @@
#include <linux/types.h>
#include <linux/ethtool.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/ethtool.h>
......@@ -59,7 +60,6 @@
#include <linux/if_vlan.h>
#include <linux/if_arp.h>
#include <linux/inetdevice.h>
#include <linux/dst.h>
#include "vmxnet3_defs.h"
......
......@@ -130,11 +130,11 @@ struct inet_timewait_sock {
__u16 tw_num;
kmemcheck_bitfield_begin(flags);
/* And these are ours. */
__u8 tw_ipv6only:1,
tw_transparent:1;
/* 14 bits hole, try to pack */
unsigned int tw_ipv6only : 1,
tw_transparent : 1,
tw_pad : 14, /* 14 bits hole */
tw_ipv6_offset : 16;
kmemcheck_bitfield_end(flags);
__u16 tw_ipv6_offset;
unsigned long tw_ttd;
struct inet_bind_bucket *tw_tb;
struct hlist_node tw_death_node;
......
......@@ -92,6 +92,8 @@ static void add_conn(struct work_struct *work)
dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
dev_set_drvdata(&conn->dev, conn);
if (device_add(&conn->dev) < 0) {
BT_ERR("Failed to register connection device");
return;
......@@ -144,8 +146,6 @@ void hci_conn_init_sysfs(struct hci_conn *conn)
conn->dev.class = bt_class;
conn->dev.parent = &hdev->dev;
dev_set_drvdata(&conn->dev, conn);
device_initialize(&conn->dev);
INIT_WORK(&conn->work_add, add_conn);
......
......@@ -555,12 +555,12 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
conn->feat_mask = 0;
setup_timer(&conn->info_timer, l2cap_info_timeout,
(unsigned long) conn);
spin_lock_init(&conn->lock);
rwlock_init(&conn->chan_list.lock);
setup_timer(&conn->info_timer, l2cap_info_timeout,
(unsigned long) conn);
conn->disc_reason = 0x13;
return conn;
......@@ -783,6 +783,9 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent)
/* Default config options */
pi->conf_len = 0;
pi->flush_to = L2CAP_DEFAULT_FLUSH_TO;
skb_queue_head_init(TX_QUEUE(sk));
skb_queue_head_init(SREJ_QUEUE(sk));
INIT_LIST_HEAD(SREJ_LIST(sk));
}
static struct proto l2cap_proto = {
......
......@@ -446,6 +446,28 @@ extern int sysctl_tcp_synack_retries;
EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_hash_add);
/* Decide when to expire the request and when to resend SYN-ACK */
static inline void syn_ack_recalc(struct request_sock *req, const int thresh,
const int max_retries,
const u8 rskq_defer_accept,
int *expire, int *resend)
{
if (!rskq_defer_accept) {
*expire = req->retrans >= thresh;
*resend = 1;
return;
}
*expire = req->retrans >= thresh &&
(!inet_rsk(req)->acked || req->retrans >= max_retries);
/*
* Do not resend while waiting for data after ACK,
* start to resend on end of deferring period to give
* last chance for data or ACK to create established socket.
*/
*resend = !inet_rsk(req)->acked ||
req->retrans >= rskq_defer_accept - 1;
}
void inet_csk_reqsk_queue_prune(struct sock *parent,
const unsigned long interval,
const unsigned long timeout,
......@@ -501,9 +523,15 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
reqp=&lopt->syn_table[i];
while ((req = *reqp) != NULL) {
if (time_after_eq(now, req->expires)) {
if ((req->retrans < thresh ||
(inet_rsk(req)->acked && req->retrans < max_retries))
&& !req->rsk_ops->rtx_syn_ack(parent, req)) {
int expire = 0, resend = 0;
syn_ack_recalc(req, thresh, max_retries,
queue->rskq_defer_accept,
&expire, &resend);
if (!expire &&
(!resend ||
!req->rsk_ops->rtx_syn_ack(parent, req) ||
inet_rsk(req)->acked)) {
unsigned long timeo;
if (req->retrans++ == 0)
......
......@@ -634,17 +634,16 @@ static int do_ip_setsockopt(struct sock *sk, int level,
break;
}
dev = ip_dev_find(sock_net(sk), mreq.imr_address.s_addr);
if (dev) {
if (dev)
mreq.imr_ifindex = dev->ifindex;
dev_put(dev);
}
} else
dev = __dev_get_by_index(sock_net(sk), mreq.imr_ifindex);
dev = dev_get_by_index(sock_net(sk), mreq.imr_ifindex);
err = -EADDRNOTAVAIL;
if (!dev)
break;
dev_put(dev);
err = -EINVAL;
if (sk->sk_bound_dev_if &&
......
......@@ -326,6 +326,43 @@ void tcp_enter_memory_pressure(struct sock *sk)
EXPORT_SYMBOL(tcp_enter_memory_pressure);
/* Convert seconds to retransmits based on initial and max timeout */
static u8 secs_to_retrans(int seconds, int timeout, int rto_max)
{
u8 res = 0;
if (seconds > 0) {
int period = timeout;
res = 1;
while (seconds > period && res < 255) {
res++;
timeout <<= 1;
if (timeout > rto_max)
timeout = rto_max;
period += timeout;
}
}
return res;
}
/* Convert retransmits to seconds based on initial and max timeout */
static int retrans_to_secs(u8 retrans, int timeout, int rto_max)
{
int period = 0;
if (retrans > 0) {
period = timeout;
while (--retrans) {
timeout <<= 1;
if (timeout > rto_max)
timeout = rto_max;
period += timeout;
}
}
return period;
}
/*
* Wait for a TCP event.
*
......@@ -1405,7 +1442,9 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
goto found_ok_skb;
if (tcp_hdr(skb)->fin)
goto found_fin_ok;
WARN_ON(!(flags & MSG_PEEK));
if (WARN_ON(!(flags & MSG_PEEK)))
printk(KERN_INFO "recvmsg bug 2: copied %X "
"seq %X\n", *seq, TCP_SKB_CB(skb)->seq);
}
/* Well, if we have backlog, try to process it now yet. */
......@@ -2163,16 +2202,10 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
break;
case TCP_DEFER_ACCEPT:
icsk->icsk_accept_queue.rskq_defer_accept = 0;
if (val > 0) {
/* Translate value in seconds to number of
* retransmits */
while (icsk->icsk_accept_queue.rskq_defer_accept < 32 &&
val > ((TCP_TIMEOUT_INIT / HZ) <<
icsk->icsk_accept_queue.rskq_defer_accept))
icsk->icsk_accept_queue.rskq_defer_accept++;
icsk->icsk_accept_queue.rskq_defer_accept++;
}
/* Translate value in seconds to number of retransmits */
icsk->icsk_accept_queue.rskq_defer_accept =
secs_to_retrans(val, TCP_TIMEOUT_INIT / HZ,
TCP_RTO_MAX / HZ);
break;
case TCP_WINDOW_CLAMP:
......@@ -2353,8 +2386,8 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
val = (val ? : sysctl_tcp_fin_timeout) / HZ;
break;
case TCP_DEFER_ACCEPT:
val = !icsk->icsk_accept_queue.rskq_defer_accept ? 0 :
((TCP_TIMEOUT_INIT / HZ) << (icsk->icsk_accept_queue.rskq_defer_accept - 1));
val = retrans_to_secs(icsk->icsk_accept_queue.rskq_defer_accept,
TCP_TIMEOUT_INIT / HZ, TCP_RTO_MAX / HZ);
break;
case TCP_WINDOW_CLAMP:
val = tp->window_clamp;
......
......@@ -641,10 +641,9 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
if (!(flg & TCP_FLAG_ACK))
return NULL;
/* If TCP_DEFER_ACCEPT is set, drop bare ACK. */
if (inet_csk(sk)->icsk_accept_queue.rskq_defer_accept &&
/* While TCP_DEFER_ACCEPT is active, drop bare ACK. */
if (req->retrans < inet_csk(sk)->icsk_accept_queue.rskq_defer_accept &&
TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) {
inet_csk(sk)->icsk_accept_queue.rskq_defer_accept--;
inet_rsk(req)->acked = 1;
return NULL;
}
......
......@@ -496,13 +496,17 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
goto e_inval;
if (val) {
struct net_device *dev;
if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val)
goto e_inval;
if (__dev_get_by_index(net, val) == NULL) {
dev = dev_get_by_index(net, val);
if (!dev) {
retv = -ENODEV;
break;
}
dev_put(dev);
}
np->mcast_oif = val;
retv = 0;
......
......@@ -1074,6 +1074,8 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr,
err = -ECONNREFUSED;
if (other->sk_state != TCP_LISTEN)
goto out_unlock;
if (other->sk_shutdown & RCV_SHUTDOWN)
goto out_unlock;
if (unix_recvq_full(other)) {
err = -EAGAIN;
......
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