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

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  e100: Use pci_pme_active to clear PME_Status and disable PME#
  e1000: prevent corruption of EEPROM/NVM
  forcedeth: call restore mac addr in nv_shutdown path
  bnx2: Promote vector field in bnx2_irq structure from u16 to unsigned int
  sctp: Fix oops when INIT-ACK indicates that peer doesn't support AUTH
  sctp: do not enable peer features if we can't do them.
  sctp: set the skb->ip_summed correctly when sending over loopback.
  udp: Fix rcv socket locking
This commit is contained in:
Linus Torvalds 2008-09-19 16:01:37 -07:00
commit 764527a1b3
8 changed files with 87 additions and 47 deletions
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2
drivers/net/bnx2.h
View File

@ -6597,7 +6597,7 @@ struct flash_spec {
struct bnx2_irq {
irq_handler_t handler;
u16 vector;
unsigned int vector;
u8 requested;
char name[16];
};

4
drivers/net/e100.c
View File

@ -2738,9 +2738,7 @@ static int __devinit e100_probe(struct pci_dev *pdev,
nic->flags |= wol_magic;
/* ack any pending wake events, disable PME */
err = pci_enable_wake(pdev, 0, 0);
if (err)
DPRINTK(PROBE, ERR, "Error clearing wake event\n");
pci_pme_active(pdev, false);
strcpy(netdev->name, "eth%d");
if((err = register_netdev(netdev))) {

23
drivers/net/e1000/e1000_hw.c
View File

@ -144,6 +144,8 @@ static s32 e1000_host_if_read_cookie(struct e1000_hw *hw, u8 *buffer);
static u8 e1000_calculate_mng_checksum(char *buffer, u32 length);
static s32 e1000_configure_kmrn_for_10_100(struct e1000_hw *hw, u16 duplex);
static s32 e1000_configure_kmrn_for_1000(struct e1000_hw *hw);
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
/* IGP cable length table */
static const
@ -168,6 +170,8 @@ u16 e1000_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE] =
83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124,
104, 109, 114, 118, 121, 124};
static DEFINE_SPINLOCK(e1000_eeprom_lock);
/******************************************************************************
* Set the phy type member in the hw struct.
*
@ -4903,6 +4907,15 @@ static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
* words - number of words to read
*****************************************************************************/
s32 e1000_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
{
s32 ret;
spin_lock(&e1000_eeprom_lock);
ret = e1000_do_read_eeprom(hw, offset, words, data);
spin_unlock(&e1000_eeprom_lock);
return ret;
}
static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
{
struct e1000_eeprom_info *eeprom = &hw->eeprom;
u32 i = 0;
@ -5235,6 +5248,16 @@ s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
* EEPROM will most likely contain an invalid checksum.
*****************************************************************************/
s32 e1000_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
{
s32 ret;
spin_lock(&e1000_eeprom_lock);
ret = e1000_do_write_eeprom(hw, offset, words, data);
spin_unlock(&e1000_eeprom_lock);
return ret;
}
static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
{
struct e1000_eeprom_info *eeprom = &hw->eeprom;
s32 status = 0;

16
drivers/net/forcedeth.c
View File

@ -5643,6 +5643,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
dev->dev_addr[4] = (np->orig_mac[0] >> 8) & 0xff;
dev->dev_addr[5] = (np->orig_mac[0] >> 0) & 0xff;
writel(txreg|NVREG_TRANSMITPOLL_MAC_ADDR_REV, base + NvRegTransmitPoll);
printk(KERN_DEBUG "nv_probe: set workaround bit for reversed mac addr\n");
}
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
@ -5890,14 +5891,12 @@ static void nv_restore_phy(struct net_device *dev)
}
}
static void __devexit nv_remove(struct pci_dev *pci_dev)
static void nv_restore_mac_addr(struct pci_dev *pci_dev)
{
struct net_device *dev = pci_get_drvdata(pci_dev);
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
unregister_netdev(dev);
/* special op: write back the misordered MAC address - otherwise
* the next nv_probe would see a wrong address.
*/
@ -5905,6 +5904,15 @@ static void __devexit nv_remove(struct pci_dev *pci_dev)
writel(np->orig_mac[1], base + NvRegMacAddrB);
writel(readl(base + NvRegTransmitPoll) & ~NVREG_TRANSMITPOLL_MAC_ADDR_REV,
base + NvRegTransmitPoll);
}
static void __devexit nv_remove(struct pci_dev *pci_dev)
{
struct net_device *dev = pci_get_drvdata(pci_dev);
unregister_netdev(dev);
nv_restore_mac_addr(pci_dev);
/* restore any phy related changes */
nv_restore_phy(dev);
@ -5975,6 +5983,8 @@ static void nv_shutdown(struct pci_dev *pdev)
if (netif_running(dev))
nv_close(dev);
nv_restore_mac_addr(pdev);
pci_disable_device(pdev);
if (system_state == SYSTEM_POWER_OFF) {
if (pci_enable_wake(pdev, PCI_D3cold, np->wolenabled))

62
net/ipv4/udp.c
View File

@ -951,6 +951,27 @@ int udp_disconnect(struct sock *sk, int flags)
return 0;
}
static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
int is_udplite = IS_UDPLITE(sk);
int rc;
if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
/* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM)
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
is_udplite);
goto drop;
}
return 0;
drop:
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
kfree_skb(skb);
return -1;
}
/* returns:
* -1: error
* 0: success
@ -989,9 +1010,7 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
up->encap_rcv != NULL) {
int ret;
bh_unlock_sock(sk);
ret = (*up->encap_rcv)(sk, skb);
bh_lock_sock(sk);
if (ret <= 0) {
UDP_INC_STATS_BH(sock_net(sk),
UDP_MIB_INDATAGRAMS,
@ -1044,17 +1063,16 @@ int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
goto drop;
}
if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
/* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM) {
UDP_INC_STATS_BH(sock_net(sk),
UDP_MIB_RCVBUFERRORS, is_udplite);
atomic_inc(&sk->sk_drops);
}
goto drop;
}
rc = 0;
return 0;
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
rc = __udp_queue_rcv_skb(sk, skb);
else
sk_add_backlog(sk, skb);
bh_unlock_sock(sk);
return rc;
drop:
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
@ -1092,15 +1110,7 @@ static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
skb1 = skb_clone(skb, GFP_ATOMIC);
if (skb1) {
int ret = 0;
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
ret = udp_queue_rcv_skb(sk, skb1);
else
sk_add_backlog(sk, skb1);
bh_unlock_sock(sk);
int ret = udp_queue_rcv_skb(sk, skb1);
if (ret > 0)
/* we should probably re-process instead
* of dropping packets here. */
@ -1195,13 +1205,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
uh->dest, inet_iif(skb), udptable);
if (sk != NULL) {
int ret = 0;
bh_lock_sock(sk);
if (!sock_owned_by_user(sk))
ret = udp_queue_rcv_skb(sk, skb);
else
sk_add_backlog(sk, skb);
bh_unlock_sock(sk);
int ret = udp_queue_rcv_skb(sk, skb);
sock_put(sk);
/* a return value > 0 means to resubmit the input, but
@ -1494,7 +1498,7 @@ struct proto udp_prot = {
.sendmsg = udp_sendmsg,
.recvmsg = udp_recvmsg,
.sendpage = udp_sendpage,
.backlog_rcv = udp_queue_rcv_skb,
.backlog_rcv = __udp_queue_rcv_skb,
.hash = udp_lib_hash,
.unhash = udp_lib_unhash,
.get_port = udp_v4_get_port,

9
net/sctp/associola.c
View File

@ -599,11 +599,12 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
/* Check to see if this is a duplicate. */
peer = sctp_assoc_lookup_paddr(asoc, addr);
if (peer) {
/* An UNKNOWN state is only set on transports added by
* user in sctp_connectx() call. Such transports should be
* considered CONFIRMED per RFC 4960, Section 5.4.
*/
if (peer->state == SCTP_UNKNOWN) {
if (peer_state == SCTP_ACTIVE)
peer->state = SCTP_ACTIVE;
if (peer_state == SCTP_UNCONFIRMED)
peer->state = SCTP_UNCONFIRMED;
peer->state = SCTP_ACTIVE;
}
return peer;
}

3
net/sctp/output.c
View File

@ -533,7 +533,8 @@ int sctp_packet_transmit(struct sctp_packet *packet)
if (!(dst->dev->features & NETIF_F_NO_CSUM)) {
crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
crc32 = sctp_end_cksum(crc32);
}
} else
nskb->ip_summed = CHECKSUM_UNNECESSARY;
/* 3) Put the resultant value into the checksum field in the
* common header, and leave the rest of the bits unchanged.

15
net/sctp/sm_make_chunk.c
View File

@ -1886,11 +1886,13 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
/* if the peer reports AUTH, assume that he
* supports AUTH.
*/
asoc->peer.auth_capable = 1;
if (sctp_auth_enable)
asoc->peer.auth_capable = 1;
break;
case SCTP_CID_ASCONF:
case SCTP_CID_ASCONF_ACK:
asoc->peer.asconf_capable = 1;
if (sctp_addip_enable)
asoc->peer.asconf_capable = 1;
break;
default:
break;
@ -2319,12 +2321,10 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
/* Release the transport structures. */
list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
transport = list_entry(pos, struct sctp_transport, transports);
list_del_init(pos);
sctp_transport_free(transport);
if (transport->state != SCTP_ACTIVE)
sctp_assoc_rm_peer(asoc, transport);
}
asoc->peer.transport_count = 0;
nomem:
return 0;
}
@ -2460,6 +2460,9 @@ static int sctp_process_param(struct sctp_association *asoc,
break;
case SCTP_PARAM_SET_PRIMARY:
if (!sctp_addip_enable)
goto fall_through;
addr_param = param.v + sizeof(sctp_addip_param_t);
af = sctp_get_af_specific(param_type2af(param.p->type));