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2011-03-03ixgbe: cleanup logic related to HW semaphoresEmil Tantilov1-18/+24
This change cleans up much of the logic related to the hardware semaphores on the adapters. There were a number of issues with timings that needed to be addressed. 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>
2011-03-03ixgbe: cleanup wake on LAN definesEmil Tantilov1-2/+2
This change just cleans up a few defines in ixgbe_type.h related to wake on LAN. 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>
2011-03-03ixgbevf: Fix Compiler WarningsGreg Rose1-7/+2
Fix Compiler warnings of variables that are initialized but not used. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-03igb: Fix strncpy calls to be safe per source code review toolsCarolyn Wyborny1-4/+7
This fix changes the remaining calls to strncpy that have not yet been changed to use the "sizeof(buf) - 1" syntax rather than just a number for buffer size. 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>
2011-03-03igb: Fix reg pattern test in ethtool for i350 devicesCarolyn Wyborny1-1/+1
This fixes the reg_pattern_test so that the test does not fail on i350 parts. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-03igb: warn if max_vfs limit is exceededStefan Assmann1-1/+6
Currently there's no warning printed when max_vfs > 7 is specified with igb and the maximum of 7 is silently enforced. This patch prints a warning and informs the user of the actions taken. Signed-off-by: Stefan Assmann <sassmann@redhat.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-03-02dcbnl: add support for retrieving peer configuration - ceeShmulik Ravid3-4/+155
This patch adds the support for retrieving the remote or peer DCBX configuration via dcbnl for embedded DCBX stacks supporting the CEE DCBX standard. Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02dcbnl: add support for retrieving peer configuration - ieeeShmulik Ravid3-0/+103
These 2 patches add the support for retrieving the remote or peer DCBX configuration via dcbnl for embedded DCBX stacks. The peer configuration is part of the DCBX MIB and is useful for debugging and diagnostics of the overall DCB configuration. The first patch add this support for IEEE 802.1Qaz standard the second patch add the same support for the older CEE standard. Diff for v2 - the peer-app-info is CEE specific. Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02netdevice: make initial group visible to userspaceVlad Dogaru1-3/+3
INIT_NETDEV_GROUP is needed by userspace, move it outside __KERNEL__ guards. Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02ipv4: ip_route_output_key() is better as an inline.David S. Miller2-7/+5
This avoid a stack frame at zero cost. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02ipv4: Make output route lookup return rtable directly.David S. Miller36-224/+267
Instead of on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02xfrm: Return dst directly from xfrm_lookup()David S. Miller14-89/+111
Instead of on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02Merge branch 'master' of ↵David S. Miller20-146/+143
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2011-03-01inet: Replace left-over references to inet->corkHerbert Xu1-2/+2
The patch to replace inet->cork with cork left out two spots in __ip_append_data that can result in bogus packet construction. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01pfkey: fix warningStephen Hemminger1-1/+1
If CONFIG_NET_KEY_MIGRATE is not defined the arguments of pfkey_migrate stub do not match causing warning. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv6: Make icmp route lookup code a bit clearer.David S. Miller1-51/+66
The route lookup code in icmpv6_send() is slightly tricky as a result of having to handle all of the requirements of RFC 4301 host relookups. Pull the route resolution into a seperate function, so that the error handling and route reference counting is hopefully easier to see and contained wholly within this new routine. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv4: Make icmp route lookup code a bit clearer.David S. Miller1-79/+96
The route lookup code in icmp_send() is slightly tricky as a result of having to handle all of the requirements of RFC 4301 host relookups. Pull the route resolution into a seperate function, so that the error handling and route reference counting is hopefully easier to see and contained wholly within this new routine. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01xfrm: Handle blackhole route creation via afinfo.David S. Miller10-67/+50
That way we don't have to potentially do this in every xfrm_lookup() caller. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv6: Normalize arguments to ip6_dst_blackhole().David S. Miller3-12/+9
Return a dst pointer which is potentitally error encoded. Don't pass original dst pointer by reference, pass a struct net instead of a socket, and elide the flow argument since it is unnecessary. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01xfrm: Kill XFRM_LOOKUP_WAIT flag.David S. Miller5-10/+8
This can be determined from the flow flags instead. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv6: Change final dst lookup arg name to "can_sleep"David S. Miller2-8/+8
Since it indicates whether we are invoked from a sleepable context or not. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv4: Kill can_sleep arg to ip_route_output_flow()David S. Miller12-16/+17
This boolean state is now available in the flow flags. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01net: Add FLOWI_FLAG_CAN_SLEEP.David S. Miller5-3/+11
And set is in contexts where the route resolution can sleep. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv4: Make final arg to ip_route_output_flow to be boolean "can_sleep"David S. Miller12-16/+16
Since that is what the current vague "flags" argument means. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv4: Can final ip_route_connect() arg to boolean "can_sleep".David S. Miller6-7/+7
Since that's what the current vague "flags" thing means. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv6: Consolidate route lookup sequences.David S. Miller10-165/+142
Route lookups follow a general pattern in the ipv6 code wherein we first find the non-IPSEC route, potentially override the flow destination address due to ipv6 options settings, and then finally make an IPSEC search using either xfrm_lookup() or __xfrm_lookup(). __xfrm_lookup() is used when we want to generate a blackhole route if the key manager needs to resolve the IPSEC rules (in this case -EREMOTE is returned and the original 'dst' is left unchanged). Otherwise plain xfrm_lookup() is used and when asynchronous IPSEC resolution is necessary, we simply fail the lookup completely. All of these cases are encapsulated into two routines, ip6_dst_lookup_flow and ip6_sk_dst_lookup_flow. The latter of which handles unconnected UDP datagram sockets. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01udp: Add lockless transmit pathHerbert Xu1-1/+14
The UDP transmit path has been running under the socket lock for a long time because of the corking feature. This means that transmitting to the same socket in multiple threads does not scale at all. However, as most users don't actually use corking, the locking can be removed in the common case. This patch creates a lockless fast path where corking is not used. Please note that this does create a slight inaccuracy in the enforcement of socket send buffer limits. In particular, we may exceed the socket limit by up to (number of CPUs) * (packet size) because of the way the limit is computed. As the primary purpose of socket buffers is to indicate congestion, this should not be a great problem for now. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01udp: Switch to ip_finish_skbHerbert Xu3-33/+73
This patch converts UDP to use the new ip_finish_skb API. This would then allows us to more easily use ip_make_skb which allows UDP to run without a socket lock. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01inet: Add ip_make_skb and ip_finish_skbHerbert Xu2-14/+67
This patch adds the helper ip_make_skb which is like ip_append_data and ip_push_pending_frames all rolled into one, except that it does not send the skb produced. The sending part is carried out by ip_send_skb, which the transport protocol can call after it has tweaked the skb. It is meant to be called in cases where corking is not used should have a one-to-one correspondence to sendmsg. This patch also adds the helper ip_finish_skb which is meant to be replace ip_push_pending_frames when corking is required. Previously the protocol stack would peek at the socket write queue and add its header to the first packet. With ip_finish_skb, the protocol stack can directly operate on the final skb instead, just like the non-corking case with ip_make_skb. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01inet: Remove explicit write references to sk/inet in ip_append_dataHerbert Xu2-107/+154
In order to allow simultaneous calls to ip_append_data on the same socket, it must not modify any shared state in sk or inet (other than those that are designed to allow that such as atomic counters). This patch abstracts out write references to sk and inet_sk in ip_append_data and its friends so that we may use the underlying code in parallel. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01inet: Remove unused sk_sndmsg_* from UFOHerbert Xu3-5/+0
UFO doesn't really use the sk_sndmsg_* parameters so touching them is pointless. It can't use them anyway since the whole point of UFO is to use the original pages without copying. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01Merge branch 'for-davem' of ↵David S. Miller30-220/+150
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next-2.6
2011-02-28sfc: Bump version to 3.1Ben Hutchings1-1/+1
All features originally planned for version 3.1 (and some that weren't) have been implemented. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28sfc: Remove configurable FIFO thresholds for pause frame generationBen Hutchings4-41/+5
In Falcon we can configure the fill levels of the RX data FIFO which trigger the generation of pause frames (if enabled), and we have module parameters for this. Siena does not allow the levels to be configured (or, if it does, this is done by the MC firmware and is not configurable by drivers). So far as I can tell, the module parameters are not used by our internal scripts and have not been documented (with the exception of the short parameter descriptions). Therefore, remove them and always initialise Falcon with the default values. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28sfc: Expose TX push and TSO counters through ethtool statisticsBen Hutchings1-1/+20
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28sfc: Update copyright datesBen Hutchings30-30/+30
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28sfc: Do not read STAT1.FAULT in efx_mdio_check_mmd()Ben Hutchings4-31/+8
This field does not exist in all MMDs we want to check, and all callers allow it to be set (fault_fatal = 0). Remove the loopback condition, as STAT2.DEVPRST should be valid regardless of any fault. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28sfc: Read MC firmware version when requested through ethtoolBen Hutchings5-41/+9
We currently make no use of siena_nic_data::fw_{version,build} except to format the firmware version for ethtool_get_drvinfo(). Since we only read the version at start of day, this information is incorrect after an MC firmware update. Remove the cached version information and read it via MCDI whenever it is requested. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28sfc: Reduce size of efx_rx_buffer further by removing data memberSteve Hodgson2-24/+28
Instead calculate the KVA of receive data. It's not like it's a hard sum. [bwh: Fixed to work with GRO.] Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28sfc: Reduce size of efx_rx_buffer by unionising skb and pageSteve Hodgson2-53/+51
[bwh: Forward-ported to net-next-2.6.] Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-02-28bonding: use the correct size for _simple_hash()Amerigo Wang1-1/+1
Clearly it should be the size of ->ip_dst here. Although this is harmless, but it still reads odd. Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28enic: Flush driver cache of registered addr lists during port profile ↵Roopa Prabhu2-1/+3
disassociate During a port profile disassociate all address registrations for the interface are blown away from the adapter. This patch resets the driver cache of registered address lists to zero after a port profile disassociate. Signed-off-by: Roopa Prabhu <roprabhu@cisco.com> Signed-off-by: David Wang <dwang2@cisco.com> Signed-off-by: Christian Benvenuti <benve@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28DM9000: Allow randomised ethernet addressBen Dooks1-1/+6
Allow randomised ethernet address if the device does not have a valid EEPROM or pre-set MAC address. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28qla3xxx: add missing __iomem annotationstephen hemminger1-5/+5
Add necessary annotations about pointer to io memory space that is checked by sparse. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28bonding: fix sparse warningstephen hemminger1-2/+3
Fix use of zero where NULL expected. And wrap long line. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28net: TX timestamps for IPv6 UDP packetsAnders Berggren1-0/+17
Enabling TX timestamps (SO_TIMESTAMPING) for IPv6 UDP packets, in the same fashion as for IPv4. Necessary in order for NICs such as Intel 82580 to timestamp IPv6 packets. Signed-off-by: Anders Berggren <anders@halon.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28sis900: use pci_dev->revisionSergei Shtylyov1-2/+2
This driver uses PCI_CLASS_REVISION instead of PCI_REVISION_ID, so it wasn't converted by commit 44c10138fd4bbc4b6d6bff0873c24902f2a9da65 (PCI: Change all drivers to use pci_device->revision). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28llc: avoid skb_clone() if there is only one handlerChangli Gao1-12/+13
Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28bnx2x: use dcb_setapp to manage negotiated application tlvsShmulik Ravid4-59/+92
With this patch the bnx2x uses the generic dcbnl application tlv list instead of implementing its own get-app handler. When the driver is alerted to a change in the DCB negotiated parameters, it calls dcb_setapp to update the dcbnl application tlvs list making it available to user mode applications and registered notifiers. Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28net: use pci_dev->revision, againSergei Shtylyov13-50/+19
Several more network drivers that read the device's revision ID from the PCI configuration register were merged after the commit 44c10138fd4bbc4b6d6bff0873c24902f2a9da65 (PCI: Change all drivers to use pci_device->revision), so it's time to do another pass of conversion to using the 'revision' field of 'struct pci_dev'... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Acked-by: "John W. Linville" <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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