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: (27 commits)
  net: clear heap allocation for ETHTOOL_GRXCLSRLALL
  isdn: strcpy() => strlcpy()
  Revert "mac80211: use netif_receive_skb in ieee80211_tx_status callpath"
  mac80211: delete AddBA response timer
  ath9k_hw: fix regression in ANI listen time calculation
  caif: fix two caif_connect() bugs
  bonding: fix WARN_ON when writing to bond_master sysfs file
  skge: add quirk to limit DMA
  MAINTAINERS: update Intel LAN Ethernet info
  e1000e.txt: Add e1000e documentation
  e1000.txt: Update e1000 documentation
  ixgbevf.txt: Update ixgbevf documentation
  cls_u32: signedness bug
  Bluetooth: Disallow to change L2CAP_OPTIONS values when connected
  sctp: Fix out-of-bounds reading in sctp_asoc_get_hmac()
  sctp: prevent reading out-of-bounds memory
  ipv4: correct IGMP behavior on v3 query during v2-compatibility mode
  netdev: Depend on INET before selecting INET_LRO
  Revert "ipv4: Make INET_LRO a bool instead of tristate."
  net: Fix the condition passed to sk_wait_event()
  ...

2 files changed, 14 insertions, 2 deletions

diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 72380a30d1c8..7cd7760144f7 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -413,7 +413,7 @@ config INET_XFRM_MODE_BEET
           If unsure, say Y.
 
 config INET_LRO
-        bool "Large Receive Offload (ipv4/tcp)"
+        tristate "Large Receive Offload (ipv4/tcp)"
         default y
         ---help---
           Support for Large Receive Offload (ipv4/tcp).
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 1fdcacd36ce7..2a4bb76f2132 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -834,7 +834,7 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
         int                     mark = 0;
 
 
-        if (len == 8 || IGMP_V2_SEEN(in_dev)) {
+        if (len == 8) {
                 if (ih->code == 0) {
                         /* Alas, old v1 router presents here. */
 
@@ -856,6 +856,18 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
                 igmpv3_clear_delrec(in_dev);
         } else if (len < 12) {
                 return; /* ignore bogus packet; freed by caller */
+        } else if (IGMP_V1_SEEN(in_dev)) {
+                /* This is a v3 query with v1 queriers present */
+                max_delay = IGMP_Query_Response_Interval;
+                group = 0;
+        } else if (IGMP_V2_SEEN(in_dev)) {
+                /* this is a v3 query with v2 queriers present;
+                 * Interpretation of the max_delay code is problematic here.
+                 * A real v2 host would use ih_code directly, while v3 has a
+                 * different encoding. We use the v3 encoding as more likely
+                 * to be intended in a v3 query.
+                 */
+                max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
         } else { /* v3 */
                 if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
                         return;