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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:
  vlan: dont drop packets from unknown vlans in promiscuous mode
  Phonet: Correct header retrieval after pskb_may_pull
  um: Proper Fix for f25c80a4: remove duplicate structure field initialization
  ip_gre: Fix dependencies wrt. ipv6.
  net-2.6: SYN retransmits: Add new parameter to retransmits_timed_out()
  iwl3945: queue the right work if the scan needs to be aborted
  mac80211: fix use-after-free
This commit is contained in:
Linus Torvalds 2010-10-04 11:11:01 -07:00
commit 4a73a43741
8 changed files with 32 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

14
net/8021q/vlan_core.c
View file

@ -24,8 +24,11 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
if (vlan_dev)
skb->dev = vlan_dev;
else if (vlan_id)
goto drop;
else if (vlan_id) {
if (!(skb->dev->flags & IFF_PROMISC))
goto drop;
skb->pkt_type = PACKET_OTHERHOST;
}
return (polling ? netif_receive_skb(skb) : netif_rx(skb));
@ -102,8 +105,11 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
if (vlan_dev)
skb->dev = vlan_dev;
else if (vlan_id)
goto drop;
else if (vlan_id) {
if (!(skb->dev->flags & IFF_PROMISC))
goto drop;
skb->pkt_type = PACKET_OTHERHOST;
}
for (p = napi->gro_list; p; p = p->next) {
NAPI_GRO_CB(p)->same_flow =

1
net/ipv4/Kconfig
View file

@ -217,6 +217,7 @@ config NET_IPIP
config NET_IPGRE
tristate "IP: GRE tunnels over IP"
depends on IPV6 || IPV6=n
help
Tunneling means encapsulating data of one protocol type within
another protocol and sending it over a channel that understands the

24
net/ipv4/tcp_timer.c
View file

@ -135,13 +135,16 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
/* This function calculates a "timeout" which is equivalent to the timeout of a
* TCP connection after "boundary" unsuccessful, exponentially backed-off
* retransmissions with an initial RTO of TCP_RTO_MIN.
* retransmissions with an initial RTO of TCP_RTO_MIN or TCP_TIMEOUT_INIT if
* syn_set flag is set.
*/
static bool retransmits_timed_out(struct sock *sk,
unsigned int boundary)
unsigned int boundary,
bool syn_set)
{
unsigned int timeout, linear_backoff_thresh;
unsigned int start_ts;
unsigned int rto_base = syn_set ? TCP_TIMEOUT_INIT : TCP_RTO_MIN;
if (!inet_csk(sk)->icsk_retransmits)
return false;
@ -151,12 +154,12 @@ static bool retransmits_timed_out(struct sock *sk,
else
start_ts = tcp_sk(sk)->retrans_stamp;
linear_backoff_thresh = ilog2(TCP_RTO_MAX/TCP_RTO_MIN);
linear_backoff_thresh = ilog2(TCP_RTO_MAX/rto_base);
if (boundary <= linear_backoff_thresh)
timeout = ((2 << boundary) - 1) * TCP_RTO_MIN;
timeout = ((2 << boundary) - 1) * rto_base;
else
timeout = ((2 << linear_backoff_thresh) - 1) * TCP_RTO_MIN +
timeout = ((2 << linear_backoff_thresh) - 1) * rto_base +
(boundary - linear_backoff_thresh) * TCP_RTO_MAX;
return (tcp_time_stamp - start_ts) >= timeout;
@ -167,14 +170,15 @@ static int tcp_write_timeout(struct sock *sk)
{
struct inet_connection_sock *icsk = inet_csk(sk);
int retry_until;
bool do_reset;
bool do_reset, syn_set = 0;
if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) {
if (icsk->icsk_retransmits)
dst_negative_advice(sk);
retry_until = icsk->icsk_syn_retries ? : sysctl_tcp_syn_retries;
syn_set = 1;
} else {
if (retransmits_timed_out(sk, sysctl_tcp_retries1)) {
if (retransmits_timed_out(sk, sysctl_tcp_retries1, 0)) {
/* Black hole detection */
tcp_mtu_probing(icsk, sk);
@ -187,14 +191,14 @@ static int tcp_write_timeout(struct sock *sk)
retry_until = tcp_orphan_retries(sk, alive);
do_reset = alive ||
!retransmits_timed_out(sk, retry_until);
!retransmits_timed_out(sk, retry_until, 0);
if (tcp_out_of_resources(sk, do_reset))
return 1;
}
}
if (retransmits_timed_out(sk, retry_until)) {
if (retransmits_timed_out(sk, retry_until, syn_set)) {
/* Has it gone just too far? */
tcp_write_err(sk);
return 1;
@ -436,7 +440,7 @@ out_reset_timer:
icsk->icsk_rto = min(icsk->icsk_rto << 1, TCP_RTO_MAX);
}
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, icsk->icsk_rto, TCP_RTO_MAX);
if (retransmits_timed_out(sk, sysctl_tcp_retries1 + 1))
if (retransmits_timed_out(sk, sysctl_tcp_retries1 + 1, 0))
__sk_dst_reset(sk);
out:;

4
net/mac80211/rx.c
View file

@ -2199,9 +2199,6 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
struct net_device *prev_dev = NULL;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
if (status->flag & RX_FLAG_INTERNAL_CMTR)
goto out_free_skb;
if (skb_headroom(skb) < sizeof(*rthdr) &&
pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC))
goto out_free_skb;
@ -2260,7 +2257,6 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
} else
goto out_free_skb;
status->flag |= RX_FLAG_INTERNAL_CMTR;
return;
out_free_skb:

3
net/phonet/pep.c
View file

@ -225,12 +225,13 @@ static void pipe_grant_credits(struct sock *sk)
static int pipe_rcv_status(struct sock *sk, struct sk_buff *skb)
{
struct pep_sock *pn = pep_sk(sk);
struct pnpipehdr *hdr = pnp_hdr(skb);
struct pnpipehdr *hdr;
int wake = 0;
if (!pskb_may_pull(skb, sizeof(*hdr) + 4))
return -EINVAL;
hdr = pnp_hdr(skb);
if (hdr->data[0] != PN_PEP_TYPE_COMMON) {
LIMIT_NETDEBUG(KERN_DEBUG"Phonet unknown PEP type: %u\n",
(unsigned)hdr->data[0]);