diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 4e97ca182997e68f242050e3990deb6339c38a88..5d3763fb3472c4247933dec887767643728b693b 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1649,6 +1649,7 @@ static void free_skb_resources(struct gfar_private *priv)
sizeof(struct rxbd8) * priv->total_rx_ring_size,
priv->tx_queue[0]->tx_bd_base,
priv->tx_queue[0]->tx_bd_dma_base);
+ skb_queue_purge(&priv->rx_recycle);
}
void gfar_start(struct net_device *dev)
@@ -2088,7 +2089,6 @@ static int gfar_close(struct net_device *dev)
disable_napi(priv);
- skb_queue_purge(&priv->rx_recycle);
cancel_work_sync(&priv->reset_task);
stop_gfar(dev);
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 0cd80e4d71d9fba60d73f71cb797cd615c98273b..e67691dca4abae73c501a9d0050a4e1b90903c14 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -32,6 +32,7 @@ static int kszphy_config_init(struct phy_device *phydev)
static struct phy_driver ks8001_driver = {
.phy_id = PHY_ID_KS8001,
+ .name = "Micrel KS8001",
.phy_id_mask = 0x00fffff0,
.features = PHY_BASIC_FEATURES,
.flags = PHY_POLL,
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index f9f0730b53d5d411c3f79fc813c8890c87c88f03..5ec542dd5b5007825cf47991cab64894623767ec 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -187,7 +187,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
rx_drop:
- kfree_skb(skb);
rcv_stats->rx_dropped++;
return NETDEV_TX_OK;
}
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 99a6da464bd377caf51059c2f9869420161cf317..e1c2fcaa8bed92889a3cc30d0dd8fcd6c3bffb00 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -727,12 +727,16 @@ static void ar9170_usb_firmware_failed(struct ar9170_usb *aru)
{
struct device *parent = aru->udev->dev.parent;
+ complete(&aru->firmware_loading_complete);
+
/* unbind anything failed */
if (parent)
down(&parent->sem);
device_release_driver(&aru->udev->dev);
if (parent)
up(&parent->sem);
+
+ usb_put_dev(aru->udev);
}
static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
@@ -761,6 +765,8 @@ static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
if (err)
goto err_unrx;
+ complete(&aru->firmware_loading_complete);
+ usb_put_dev(aru->udev);
return;
err_unrx:
@@ -858,6 +864,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
init_usb_anchor(&aru->tx_pending);
init_usb_anchor(&aru->tx_submitted);
init_completion(&aru->cmd_wait);
+ init_completion(&aru->firmware_loading_complete);
spin_lock_init(&aru->tx_urb_lock);
aru->tx_pending_urbs = 0;
@@ -877,6 +884,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
if (err)
goto err_freehw;
+ usb_get_dev(aru->udev);
return request_firmware_nowait(THIS_MODULE, 1, "ar9170.fw",
&aru->udev->dev, GFP_KERNEL, aru,
ar9170_usb_firmware_step2);
@@ -896,6 +904,9 @@ static void ar9170_usb_disconnect(struct usb_interface *intf)
return;
aru->common.state = AR9170_IDLE;
+
+ wait_for_completion(&aru->firmware_loading_complete);
+
ar9170_unregister(&aru->common);
ar9170_usb_cancel_urbs(aru);
diff --git a/drivers/net/wireless/ath/ar9170/usb.h b/drivers/net/wireless/ath/ar9170/usb.h
index a2ce3b169ceb3ea43757716ef03716114678506a..919b06046eb3eb5390550d04a804fef8c434dee2 100644
--- a/drivers/net/wireless/ath/ar9170/usb.h
+++ b/drivers/net/wireless/ath/ar9170/usb.h
@@ -71,6 +71,7 @@ struct ar9170_usb {
unsigned int tx_pending_urbs;
struct completion cmd_wait;
+ struct completion firmware_loading_complete;
int readlen;
u8 *readbuf;
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 6383d9f8c9b3e561cadfaf5dd322e532b364a192..f4e59ae07f8e5a70c0d4e39ab57af34b64bf753d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2621,7 +2621,9 @@ struct iwl_ssid_ie {
#define PROBE_OPTION_MAX_3945 4
#define PROBE_OPTION_MAX 20
#define TX_CMD_LIFE_TIME_INFINITE cpu_to_le32(0xFFFFFFFF)
-#define IWL_GOOD_CRC_TH cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_DISABLED 0
+#define IWL_GOOD_CRC_TH_DEFAULT cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_NEVER cpu_to_le16(0xffff)
#define IWL_MAX_SCAN_SIZE 1024
#define IWL_MAX_CMD_SIZE 4096
#define IWL_MAX_PROBE_REQUEST 200
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 12e455a4b90e94a3d36f0546eebbeec3b2f7c42a..741e65ec8301dce638b5952378d832a0ef7457c0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -813,16 +813,29 @@ static void iwl_bg_request_scan(struct work_struct *data)
rate = IWL_RATE_1M_PLCP;
rate_flags = RATE_MCS_CCK_MSK;
}
- scan->good_CRC_th = 0;
+ scan->good_CRC_th = IWL_GOOD_CRC_TH_DISABLED;
} else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) {
band = IEEE80211_BAND_5GHZ;
rate = IWL_RATE_6M_PLCP;
/*
- * If active scaning is requested but a certain channel
- * is marked passive, we can do active scanning if we
- * detect transmissions.
+ * If active scanning is requested but a certain channel is
+ * marked passive, we can do active scanning if we detect
+ * transmissions.
+ *
+ * There is an issue with some firmware versions that triggers
+ * a sysassert on a "good CRC threshold" of zero (== disabled),
+ * on a radar channel even though this means that we should NOT
+ * send probes.
+ *
+ * The "good CRC threshold" is the number of frames that we
+ * need to receive during our dwell time on a channel before
+ * sending out probes -- setting this to a huge value will
+ * mean we never reach it, but at the same time work around
+ * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
+ * here instead of IWL_GOOD_CRC_TH_DISABLED.
*/
- scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+ scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+ IWL_GOOD_CRC_TH_NEVER;
/* Force use of chains B and C (0x6) for scan Rx for 4965
* Avoid A (0x1) because of its off-channel reception on A-band.
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b55e4f39a9e17ef13d71c8657bf4f7915c08668f..b74a56c48d2698eeda2007afa0db58b9383526fd 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2967,7 +2967,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
* is marked passive, we can do active scanning if we
* detect transmissions.
*/
- scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+ scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+ IWL_GOOD_CRC_TH_DISABLED;
band = IEEE80211_BAND_5GHZ;
} else {
IWL_WARN(priv, "Invalid scan band count\n");
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 851c813adb3ac2a144cbb0b98582331629a5c385..61d73e37d5436138d743372a48aecad3191526fe 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -279,6 +279,7 @@ int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
/* 2nd level prototypes */
void sctp_generate_t3_rtx_event(unsigned long peer);
void sctp_generate_heartbeat_event(unsigned long peer);
+void sctp_generate_proto_unreach_event(unsigned long peer);
void sctp_ootb_pkt_free(struct sctp_packet *);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 597f8e27aaf6dfccffa354ae4219c164a1bd078e..219043a67bf7ab6073eba985e80ebb8ca206f2c1 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1010,6 +1010,9 @@ struct sctp_transport {
/* Heartbeat timer is per destination. */
struct timer_list hb_timer;
+ /* Timer to handle ICMP proto unreachable envets */
+ struct timer_list proto_unreach_timer;
+
/* Since we're using per-destination retransmission timers
* (see above), we're also using per-destination "transmitted"
* queues. This probably ought to be a private struct
diff --git a/net/core/dev.c b/net/core/dev.c
index f769098774b7e5e3b95f9aeb5b89d87412dda0e9..264137fce3a25496c349b141b8276d6900f80412 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1451,7 +1451,7 @@ static inline void net_timestamp(struct sk_buff *skb)
*
* return values:
* NET_RX_SUCCESS (no congestion)
- * NET_RX_DROP (packet was dropped)
+ * NET_RX_DROP (packet was dropped, but freed)
*
* dev_forward_skb can be used for injecting an skb from the
* start_xmit function of one device into the receive queue
@@ -1465,12 +1465,11 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
{
skb_orphan(skb);
- if (!(dev->flags & IFF_UP))
- return NET_RX_DROP;
-
- if (skb->len > (dev->mtu + dev->hard_header_len))
+ if (!(dev->flags & IFF_UP) ||
+ (skb->len > (dev->mtu + dev->hard_header_len))) {
+ kfree_skb(skb);
return NET_RX_DROP;
-
+ }
skb_set_dev(skb, dev);
skb->tstamp.tv64 = 0;
skb->pkt_type = PACKET_HOST;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 6e747065c2021071d82ba21123c9b87f9c725426..80769f1f9fab8d529bf5de1d1141a9108fe8f256 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -661,13 +661,13 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
#endif
#endif
-#ifdef CONFIG_FDDI
+#if defined(CONFIG_FDDI) || defined(CONFIG_FDDI_MODULE)
case ARPHRD_FDDI:
arp->ar_hrd = htons(ARPHRD_ETHER);
arp->ar_pro = htons(ETH_P_IP);
break;
#endif
-#ifdef CONFIG_TR
+#if defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
case ARPHRD_IEEE802_TR:
arp->ar_hrd = htons(ARPHRD_IEEE802);
arp->ar_pro = htons(ETH_P_IP);
@@ -1051,7 +1051,7 @@ static int arp_req_set(struct net *net, struct arpreq *r,
return -EINVAL;
}
switch (dev->type) {
-#ifdef CONFIG_FDDI
+#if defined(CONFIG_FDDI) || defined(CONFIG_FDDI_MODULE)
case ARPHRD_FDDI:
/*
* According to RFC 1390, FDDI devices should accept ARP
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9d4f6d1340a438b2f8004d3906b52e6bfe069756..ec19a890c9a0eb02ba9deec1b099422690e621c0 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -754,7 +754,8 @@ ipmr_cache_unresolved(struct net *net, vifi_t vifi, struct sk_buff *skb)
c->next = mfc_unres_queue;
mfc_unres_queue = c;
- mod_timer(&ipmr_expire_timer, c->mfc_un.unres.expires);
+ if (atomic_read(&net->ipv4.cache_resolve_queue_len) == 1)
+ mod_timer(&ipmr_expire_timer, c->mfc_un.unres.expires);
}
/*
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 8fef859db35d329138eca9f700964f8e00089066..c36522a0f1130005f96bd11fc385c42d949c6e80 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1527,6 +1527,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
uh = udp_hdr(skb);
ulen = ntohs(uh->len);
+ saddr = ip_hdr(skb)->saddr;
+ daddr = ip_hdr(skb)->daddr;
+
if (ulen > skb->len)
goto short_packet;
@@ -1540,9 +1543,6 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
if (udp4_csum_init(skb, uh, proto))
goto csum_error;
- saddr = ip_hdr(skb)->saddr;
- daddr = ip_hdr(skb)->daddr;
-
if (rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
return __udp4_lib_mcast_deliver(net, skb, uh,
saddr, daddr, udptable);
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 622dc7939a1b3fd1f759a6740eff7d01562c1a00..61573885e4517abca63a36ae1f30999470ef2a32 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -222,6 +222,8 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
if (!skb)
return;
+ skb->protocol = htons(ETH_P_IPV6);
+
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
serr->ee.ee_origin = SO_EE_ORIGIN_ICMP6;
@@ -255,6 +257,8 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
if (!skb)
return;
+ skb->protocol = htons(ETH_P_IPV6);
+
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
@@ -319,7 +323,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
sin->sin6_flowinfo = 0;
sin->sin6_port = serr->port;
sin->sin6_scope_id = 0;
- if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP6) {
+ if (skb->protocol == htons(ETH_P_IPV6)) {
ipv6_addr_copy(&sin->sin6_addr,
(struct in6_addr *)(nh + serr->addr_offset));
if (np->sndflow)
@@ -341,7 +345,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
sin->sin6_scope_id = 0;
- if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP6) {
+ if (skb->protocol == htons(ETH_P_IPV6)) {
ipv6_addr_copy(&sin->sin6_addr, &ipv6_hdr(skb)->saddr);
if (np->rxopt.all)
datagram_recv_ctl(sk, msg, skb);
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index a432f0ec051cb25a000d11e2e7e868cd8ff5dc3b..94e7fca75b851762623a5e536abfc233810f8920 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -31,7 +31,7 @@ static int llc_mac_header_len(unsigned short devtype)
case ARPHRD_ETHER:
case ARPHRD_LOOPBACK:
return sizeof(struct ethhdr);
-#ifdef CONFIG_TR
+#if defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
case ARPHRD_IEEE802_TR:
return sizeof(struct trh_hdr);
#endif
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 4aefa6dc3091612eb8cbbb4fba0fdbd00a218428..875c8dec940aad157ee545964dd57e5a6531689f 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2030,7 +2030,8 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
continue;
if (wk->type != IEEE80211_WORK_DIRECT_PROBE &&
- wk->type != IEEE80211_WORK_AUTH)
+ wk->type != IEEE80211_WORK_AUTH &&
+ wk->type != IEEE80211_WORK_ASSOC)
continue;
if (memcmp(req->bss->bssid, wk->filter_ta, ETH_ALEN))
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 2a570184e5a9176c07291eb7ab6f8771c2dd95c0..ea2192444ce66413261d20ce8ec236279496d141 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -440,11 +440,25 @@ void sctp_icmp_proto_unreachable(struct sock *sk,
{
SCTP_DEBUG_PRINTK("%s\n", __func__);
- sctp_do_sm(SCTP_EVENT_T_OTHER,
- SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
- asoc->state, asoc->ep, asoc, t,
- GFP_ATOMIC);
+ if (sock_owned_by_user(sk)) {
+ if (timer_pending(&t->proto_unreach_timer))
+ return;
+ else {
+ if (!mod_timer(&t->proto_unreach_timer,
+ jiffies + (HZ/20)))
+ sctp_association_hold(asoc);
+ }
+
+ } else {
+ if (timer_pending(&t->proto_unreach_timer) &&
+ del_timer(&t->proto_unreach_timer))
+ sctp_association_put(asoc);
+ sctp_do_sm(SCTP_EVENT_T_OTHER,
+ SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
+ asoc->state, asoc->ep, asoc, t,
+ GFP_ATOMIC);
+ }
}
/* Common lookup code for icmp/icmpv6 error handler. */
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index d5ae450b6f02de3fa5bbe9e9ca58028c2bfe0576..eb1f42f45fdde604512f1eefcced4041843e51f8 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -397,6 +397,41 @@ void sctp_generate_heartbeat_event(unsigned long data)
sctp_transport_put(transport);
}
+/* Handle the timeout of the ICMP protocol unreachable timer. Trigger
+ * the correct state machine transition that will close the association.
+ */
+void sctp_generate_proto_unreach_event(unsigned long data)
+{
+ struct sctp_transport *transport = (struct sctp_transport *) data;
+ struct sctp_association *asoc = transport->asoc;
+
+ sctp_bh_lock_sock(asoc->base.sk);
+ if (sock_owned_by_user(asoc->base.sk)) {
+ SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__);
+
+ /* Try again later. */
+ if (!mod_timer(&transport->proto_unreach_timer,
+ jiffies + (HZ/20)))
+ sctp_association_hold(asoc);
+ goto out_unlock;
+ }
+
+ /* Is this structure just waiting around for us to actually
+ * get destroyed?
+ */
+ if (asoc->base.dead)
+ goto out_unlock;
+
+ sctp_do_sm(SCTP_EVENT_T_OTHER,
+ SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
+ asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC);
+
+out_unlock:
+ sctp_bh_unlock_sock(asoc->base.sk);
+ sctp_association_put(asoc);
+}
+
+
/* Inject a SACK Timeout event into the state machine. */
static void sctp_generate_sack_event(unsigned long data)
{
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index be4d63d5a5cc050d782a2355a3eb1b9ae61bda07..4a368038d46f77eb4370d6a65f636fa424470bf6 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -108,6 +108,8 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
(unsigned long)peer);
setup_timer(&peer->hb_timer, sctp_generate_heartbeat_event,
(unsigned long)peer);
+ setup_timer(&peer->proto_unreach_timer,
+ sctp_generate_proto_unreach_event, (unsigned long)peer);
/* Initialize the 64-bit random nonce sent with heartbeat. */
get_random_bytes(&peer->hb_nonce, sizeof(peer->hb_nonce));