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2011-03-08ixgbe: clear correct counters for flow control on 82599Emil Tantilov2-7/+29
The 82599 was not correctly having some of it's counters cleared for flow control. This change corrects that. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08ixgbe: cleanup PHY initEmil Tantilov3-59/+114
This change cleans up several situations in which we were either stepping over possible errors, or calling initialization routines multiple times. Also includes whitespace fixes where applicable. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08ixgbe: add support to FCoE DDP in target modeYi Zou4-12/+81
Add support to the ndo_fcoe_ddp_target() to allow the Intel 82599 device to also provide DDP offload capability when the upper FCoE protocol stack is operating as a target. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Kiran Patil <kiran.patil@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08vlan: add support to ndo_fcoe_ddp_target()Yi Zou1-0/+14
Add the new target ddp offload support ndo_fcoe_ddp_target(). Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Kiran Patil <kiran.patil@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08net: add ndo_fcoe_ddp_target() to support FCoE DDP in target modeYi Zou1-0/+4
The Fiber Channel over Ethernet (FCoE) Direct Data Placement (DDP) can also be used for FCoE target, where the DDP used for read I/O on an initiator can be used on an FCoE target to speed up the write I/O to the target from the initiator. The added ndo_fcoe_ddp_target() works in the similar way as the existing ndo_fcoe_ddp_setup() to allow the underlying hardware set up the DDP context accordingly when it gets called from the FCoE target implementation on top the existing Open-FCoE fcoe/libfc protocol stack so without losing the ability to provide DDP for read I/O as an initiator, it can also provide DDP offload to the write I/O coming from the initiator as a target. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Kiran Patil <kiran.patil@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08ixgbe: fix missing function pointer conversionDon Skidmore1-1/+1
In the previous commit: commit 5e655105e3e19d746f9e95c514b014c11c3d1b6a Author: Don Skidmore <donald.c.skidmore@intel.com> Date: Fri Feb 25 01:58:04 2011 +0000 ixgbe: add function pointer for semaphore function there was one release of the semaphore function call which did not get converted to a function pointer. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08igb: Add stats output for OS2BMC feature on i350 devicesCarolyn Wyborny5-1/+29
This patch adds statistics output for OS2BMC feature which is configured by eeprom on capable devices. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08e1000e: fix build issue due to undefined reference to crc32_leEmil Tantilov1-0/+1
kernel build fails with: drivers/built-in.o: In function `e1000_lv_jumbo_workaround_ich8lan': (.text+0x3e7a8): undefined reference to `crc32_le' when CONFIG_CRC32 is not set or does not match the CONFIG_E1000E selection. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Reviewed-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-08bonding: COW before overwriting the destination MAC addressChangli Gao1-2/+6
When there is a ptype handler holding a clone of this skb, whose destination MAC addresse is overwritten, the owner of this handler may get a corrupted packet. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08bonding: remove the unused dummy functions when net poll controller isn't ↵Changli Gao1-8/+0
enabled These two functions are only used when net poll controller is enabled. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08Merge branch 'davem-next.r8169' of ↵David S. Miller2-103/+178
git://git.kernel.org/pub/scm/linux/kernel/git/romieu/netdev-2.6
2011-03-08net: allow handlers to be processed for orig_devJiri Pirko1-1/+2
This was there before, I forgot about this. Allows deliveries to ptype_base handlers registered for orig_dev. I presume this is still desired. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Reviewed-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08be2net: Add multicast filter capability for LancerPadmanabh Ratnakar2-2/+5
Lancer requires multicast capability flag set during IFACE_CREATE for adding multicast filters. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08be2net: Disarm CQ and EQ to disable interrupt in LancerPadmanabh Ratnakar1-5/+12
For Lancer disable interrupts in close by disarming CQs and EQs. Change the order of calls in be_close to achieve the correct result. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08be2net: Remove TX Queue stop in closePadmanabh Ratnakar1-1/+0
Remove TX Queue stop in close Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08be2net: Change f/w command versions for LancerPadmanabh Ratnakar2-2/+8
Change f/w command versions for Lancer Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08be2net: Add error recovery during load for LancerPadmanabh Ratnakar2-0/+68
Add error recovery during load for Lancer Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08be2net: Checksum field valid only for TCP/UDPPadmanabh Ratnakar1-3/+6
L4 checksum field is valid only for TCP/UDP packets in Lancer Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08be2net: Remove ERR compl workaround for LancerPadmanabh Ratnakar2-26/+9
Workaround added for Lancer in handling RX ERR completion received when no RX buffers are posted is not needed. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: Subramanian Seetharaman <subbu.seetharaman@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08ipv4: Inline fib_semantic_match into check_leafDavid S. Miller3-75/+51
This elimiates a lot of pure overhead due to parameter passing. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-08ipv4: Validate route entry type at insert instead of every lookup.David S. Miller1-26/+28
fib_semantic_match() requires that if the type doesn't signal an automatic error, it must be of type RTN_UNICAST, RTN_LOCAL, RTN_BROADCAST, RTN_ANYCAST, or RTN_MULTICAST. Checking this every route lookup is pointless work. Instead validate it during route insertion, via fib_create_info(). Also, there was nothing making sure the type value was less than RTN_MAX, so add that missing check while we're here. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-07netdevice: Convert printk to pr_info in netif_tx_stop_queueJoe Perches1-2/+1
This allows any caller to be prefaced by any specific pr_fmt to better identify which device driver is using this function inappropriately. Add terminating newline. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-07Merge branch 'batman-adv/next' of git://git.open-mesh.org/ecsv/linux-mergeDavid S. Miller24-1232/+1634
2011-03-05batman-adv: Disallow regular interface as mesh deviceSven Eckelmann3-12/+36
When trying to associate a net_device with another net_device which already exists, batman-adv assumes that this interface is a fully initialized batman mesh interface without checking it. The behaviour when accessing data behind netdev_priv of a random net_device is undefined and potentially dangerous. Reported-by: Linus Lüssing <linus.luessing@ascom.ch> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Remove unused hdr_size variable in route_unicast_packet()Linus Lüssing3-7/+5
Signed-off-by: Linus Lüssing <linus.luessing@ascom.ch> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: rename batman_if struct to hard_ifaceMarek Lindner18-330/+335
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: rename global if_list to hardif_listMarek Lindner6-22/+22
Batman-adv works with "hard interfaces" as well as "soft interfaces". The new name should better make clear which kind of interfaces this list stores. Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: remove orig_hash spinlockMarek Lindner7-148/+38
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: increase refcount in create_neighbor to be consistentMarek Lindner2-37/+30
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Correct rcu refcounting for orig_nodeMarek Lindner9-36/+49
It might be possible that 2 threads access the same data in the same rcu grace period. The first thread calls call_rcu() to decrement the refcount and free the data while the second thread increases the refcount to use the data. To avoid this race condition all refcount operations have to be atomic. Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: remove extra layer between hash and hash element - hash bucketMarek Lindner10-294/+298
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: separate ethernet comparing calls from hash functionsMarek Lindner8-42/+51
Note: The function compare_ether_addr() provided by the Linux kernel requires aligned memory. Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Fix possible buffer overflow in softif neigh list outputLinus Lüssing1-21/+1
When printing the soft interface table the number of entries in the softif neigh list are first being counted and a fitting buffer allocated. After that the softif neigh list gets locked again and the buffer printed - which has the following two issues: For one thing, the softif neigh list might have grown when reacquiring the rcu lock, which results in writing outside of the allocated buffer. Furthermore 31 Bytes are not enough for printing an entry with a vid of more than 2 digits. The manual buffering is unnecessary, we can safely print to the seq directly during the rcu_read_lock(). Signed-off-by: Linus Lüssing <linus.luessing@ascom.ch> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Increase orig_node refcount before releasing rcu read lockLinus Lüssing2-3/+5
When unicast_send_skb() is increasing the orig_node's refcount another thread might have been freeing this orig_node already. We need to increase the refcount in the rcu read lock protected area to avoid that. Signed-off-by: Linus Lüssing <linus.luessing@ascom.ch> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Make bat_priv->curr_gw an rcu protected pointerLinus Lüssing2-32/+72
The rcu protected macros rcu_dereference() and rcu_assign_pointer() for the bat_priv->curr_gw need to be used, as well as spin/rcu locking. Otherwise we might end up using a curr_gw pointer pointing to already freed memory. Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Linus Lüssing <linus.luessing@ascom.ch> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: make broadcast seqno operations atomicMarek Lindner3-22/+37
Batman-adv could receive several payload broadcasts at the same time that would trigger access to the broadcast seqno sliding window to determine whether this is a new broadcast or not. If these incoming broadcasts are accessing the sliding window simultaneously it could be left in an inconsistent state. Therefore it is necessary to make sure this access is atomic. Reported-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect bit operations to count OGMs with spinlockMarek Lindner2-34/+33
Reported-by: Linus Lüssing <linus.luessing@saxnet.de> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Correct rcu refcounting for batman_ifMarek Lindner4-38/+33
It might be possible that 2 threads access the same data in the same rcu grace period. The first thread calls call_rcu() to decrement the refcount and free the data while the second thread increases the refcount to use the data. To avoid this race condition all refcount operations have to be atomic. Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Correct rcu refcounting for softif_neighMarek Lindner2-17/+16
It might be possible that 2 threads access the same data in the same rcu grace period. The first thread calls call_rcu() to decrement the refcount and free the data while the second thread increases the refcount to use the data. To avoid this race condition all refcount operations have to be atomic. Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Correct rcu refcounting for gw_nodeMarek Lindner2-22/+17
It might be possible that 2 threads access the same data in the same rcu grace period. The first thread calls call_rcu() to decrement the refcount and free the data while the second thread increases the refcount to use the data. To avoid this race condition all refcount operations have to be atomic. Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: Correct rcu refcounting for neigh_nodeMarek Lindner7-174/+313
It might be possible that 2 threads access the same data in the same rcu grace period. The first thread calls call_rcu() to decrement the refcount and free the data while the second thread increases the refcount to use the data. To avoid this race condition all refcount operations have to be atomic. Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect bonding with rcu locksSimon Wunderlich7-163/+195
bonding / alternating candidates need to be secured by rcu locks as well. This patch therefore converts the bonding list from a plain pointer list to a rcu securable lists and references the bonding candidates. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect ogm counter arrays with spinlockMarek Lindner3-6/+33
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect originator nodes with reference countersMarek Lindner4-19/+78
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect each hash row with rcu locksMarek Lindner8-45/+141
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect neigh_nodes used outside of rcu_locks with refcountingMarek Lindner1-9/+31
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: free neighbors when an interface is deactivatedMarek Lindner1-2/+7
hardif_disable_interface() calls purge_orig_ref() to immediately free all neighbors associated with the interface that is going down. purge_orig_neighbors() checked if the interface status is IF_INACTIVE which is set to IF_NOT_IN_USE shortly before calling purge_orig_ref(). Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect neighbor list with rcu locksMarek Lindner3-21/+57
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: convert neighbor list to hlistMarek Lindner3-28/+35
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2011-03-05batman-adv: protect neighbor nodes with reference countersMarek Lindner4-8/+28
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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