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2010-04-14virtio_net: Fix mis-merge.David S. Miller1-1/+0
Pointed out by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14tun: orphan an skb on txMichael S. Tsirkin1-0/+4
The following situation was observed in the field: tap1 sends packets, tap2 does not consume them, as a result tap1 can not be closed. This happens because tun/tap devices can hang on to skbs undefinitely. As noted by Herbert, possible solutions include a timeout followed by a copy/change of ownership of the skb, or always copying/changing ownership if we're going into a hostile device. This patch implements the second approach. Note: one issue still remaining is that since skbs keep reference to tun socket and tun socket has a reference to tun device, we won't flush backlog, instead simply waiting for all skbs to get transmitted. At least this is not user-triggerable, and this was not reported in practice, my assumption is other devices besides tap complete an skb within finite time after it has been queued. A possible solution for the second issue would not to have socket reference the device, instead, implement dev->destructor for tun, and wait for all skbs to complete there, but this needs some thought, probably too risky for 2.6.34. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Yan Vugenfirer <yvugenfi@redhat.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14stmmac: updated the drv module versionGiuseppe CAVALLARO1-1/+1
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14stmmac: fix vlan support setupGiuseppe CAVALLARO2-5/+5
Moved STMMAC_VLAN_TAG_USED from stmmac.h to common.h header because it is used within the device and descriptor cores. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14stmmac: get the descriptor structure from platformGiuseppe CAVALLARO2-4/+9
Output for chip that uses the Enhanced descriptors: [snip] STMMAC driver: platform registration... done! DWMAC1000 - user ID: 0x10, Synopsys ID: 0x33 Enhanced descriptor structure no valid MAC address;please, use ifconfig or nwhwconfig! eth0 - (dev. name: stmmaceth - id: 0, IRQ #134 IO base addr: 0xfd110000) STMMAC MII Bus: probed [snip] Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14stmmac: new descriptor field for the driver's platformGiuseppe CAVALLARO1-0/+1
The new enh_desc is used for selecting the enhanced descriptors structure. There are several scenarios; some chips (mac10/100 or gmac) want to use the enhanced descriptors; others want the normal ones. For example, on ST platforms: MAC10/100 uses the normal desc structure and the GMAC uses the enhanced one. It can be useful to get this information from the platform. This could also be decided at run-time looking at the chip's ID number; but it could happen that chips with the same ID want to use different descriptor structure. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14stmmac: fix Transmit FIFO flush operationGiuseppe CAVALLARO6-13/+12
Fix the Transmit FIFO flush operation; it was disabled while reworking the descriptor structures. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14stmmac: rework normal and enhanced descriptorsGiuseppe CAVALLARO12-584/+627
Currently the driver assumes that the mac10/100 can only use the normal descriptor structure and the gmac can only use the enhanced structures. This patch removes the descriptor's code from the dma files and adds two new files just for handling the normal and enhanced descriptors. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-14stmmac: split core and dma for the mac10/100Giuseppe CAVALLARO4-200/+234
The patch splits core and dma parts for the mac10/100 device. This was already done for the GMAC device. It should make more flexible the driver to support other chips. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13forcedeth: fix tx limit2 flag checkAyaz Abdulla1-1/+1
This is a fix for bug 572201 @ bugs.debian.org This patch fixes the TX_LIMIT feature flag. The previous logic check for TX_LIMIT2 also took into account a device that only had TX_LIMIT set. Reported-by: Stephen Mulcahu <stephen.mulcahy@deri.org> Reported-by: Ben Huchings <ben@decadent.org.uk> Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13ipv4: ipmr: support multiple tablesPatrick McHardy6-62/+361
This patch adds support for multiple independant multicast routing instances, named "tables". Userspace multicast routing daemons can bind to a specific table instance by issuing a setsockopt call using a new option MRT_TABLE. The table number is stored in the raw socket data and affects all following ipmr setsockopt(), getsockopt() and ioctl() calls. By default, a single table (RT_TABLE_DEFAULT) is created with a default routing rule pointing to it. Newly created pimreg devices have the table number appended ("pimregX"), with the exception of devices created in the default table, which are named just "pimreg" for compatibility reasons. Packets are directed to a specific table instance using routing rules, similar to how regular routing rules work. Currently iif, oif and mark are supported as keys, source and destination addresses could be supported additionally. Example usage: - bind pimd/xorp/... to a specific table: uint32_t table = 123; setsockopt(fd, IPPROTO_IP, MRT_TABLE, &table, sizeof(table)); - create routing rules directing packets to the new table: # ip mrule add iif eth0 lookup 123 # ip mrule add oif eth0 lookup 123 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13ipv4: ipmr: move mroute data into seperate structurePatrick McHardy2-182/+200
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13ipv4: ipmr: convert struct mfc_cache to struct list_headPatrick McHardy3-67/+64
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13ipv4: ipmr: remove net pointer from struct mfc_cachePatrick McHardy2-48/+32
Now that cache entries in unres_queue don't need to be distinguished by their network namespace pointer anymore, we can remove it from struct mfc_cache add pass the namespace as function argument to the functions that need it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13ipv4: ipmr: move unres_queue and timer to per-namespace dataPatrick McHardy2-41/+31
The unres_queue is currently shared between all namespaces. Following patches will additionally allow to create multiple multicast routing tables in each namespace. Having a single shared queue for all these users seems to excessive, move the queue and the cleanup timer to the per-namespace data to unshare it. As a side-effect, this fixes a bug in the seq file iteration functions: the first entry returned is always from the current namespace, entries returned after that may belong to any namespace. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13ipv4: raw: move struct raw_sock and raw_sk() to include/net/raw.hPatrick McHardy2-11/+12
A following patch will use struct raw_sock to store state for ipmr, so having the definitions in icmp.h doesn't fit very well anymore. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13net: fib_rules: decouple address families from real address familiesPatrick McHardy5-8/+20
Decouple the address family values used for fib_rules from the real address families in socket.h. This allows to use fib_rules for code that is not a real address family without increasing AF_MAX/NPROTO. Values up to 127 are reserved for real address families and map directly to the corresponding AF value, values starting from 128 are for other uses. rtnetlink is changed to invoke the AF_UNSPEC dumpit/doit handlers for these families. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13net: fib_rules: set family in fib_rule_hdr centrallyPatrick McHardy4-3/+1
All fib_rules implementations need to set the family in their ->fill() functions. Since the value is available to the generic fib_nl_fill_rule() function, set it there. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13net: fib_rules: consolidate IPv4 and DECnet ->default_pref() functions.Patrick McHardy4-36/+21
Both functions are equivalent, consolidate them since a following patch needs a third implementation for multicast routing. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13dst: don't inline dst_ifdownstephen hemminger1-2/+2
The function dst_ifdown is called only two places but in a non- performance critical code path, there is no reason to inline it. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13be2net: clarify promiscuous cmd with a commentSathya Perla1-0/+4
The promiscous cmd config code gives an impression that setting a port to promisc mode will unset the other port. This is not the case and is clarified with a comment. Signed-off-by: Sathya Perla <sathyap@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13drivers: net: last_rx eliminationEric Dumazet7-9/+0
Network drivers do not have to update last_rx, unless they need it for their private use. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13net: uninline skb_bond_should_drop()Eric Dumazet2-44/+53
skb_bond_should_drop() is too big to be inlined. This patch reduces kernel text size, and its compilation time as well (shrinking include/linux/netdevice.h) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13Fix some #includes in CAN drivers (rebased for net-next-2.6)Hans J. Koch14-13/+1
In the current implementation, CAN drivers need to #include <linux/can.h> _before_ they #include <linux/can/dev.h>, which is both ugly and unnecessary. Fix this by including <linux/can.h> in <linux/can/dev.h> and remove the #include <linux/can.h> lines from drivers. Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13bcm63xx_enet: do not overwrite ENET_CTL_REG valueFlorian Fainelli1-1/+3
bcm_enet_hw_preinit will correctly set values in ENET_CTL_REG for internal or external MII operations, however, bcm_enet_open will blindly overwrite the ENET_CTL_REG register value and thus we will loose any changes to it that were made in bcm_enet_hw_preinit, rendering external MII operations non-working. This would lead to the driver not being able to check for link availability on external PHY setups, and thus we would never get to sending packets because link was down from the driver side. This was completely un-noticed because all boards out there but BCM6338-based ones use internal phy on their enet0 interface. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13PHY: fix typo in bcm63xx PHY driver tableFlorian Fainelli1-1/+1
Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13chelsio: Fix build warning.David S. Miller1-1/+1
GCC warns that: drivers/net/chelsio/sge.c:463:11: warning: operation on 's->port' may be undefined Better to eliminate the side effects in the calculation and express what was intended here. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13smc91c92_cs: define multicast_table as unsigned charKen Kawasaki1-7/+6
smc91c92_cs: * define multicast_table as unsigned char * remove unnecessary "#ifndef final_version" Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13can: avoids a false warningEric Dumazet1-1/+1
At this point optlen == sizeof(sfilter) but some compilers are dumb. Reported-by: Németh Márton <nm127@freemail.h Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13e1000e: stop cleaning when we reach tx_ring->next_to_useTerry Loftin1-0/+2
Tx ring buffers after tx_ring->next_to_use are volatile and could change, possibly causing a crash. Stop cleaning when we hit tx_ring->next_to_use. Signed-off-by: Terry Loftin <terry.loftin@hp.com> Acked-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13igb: restrict WoL for 82576 ET2 Quad Port Server AdapterStefan Assmann2-0/+2
Restrict Wake-on-LAN to first port on 82576 ET2 quad port NICs, as it is only supported there. Signed-off-by: Stefan Assmann <sassmann@redhat.com> Acked-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13e1000e: use static params to save stack spaceJesse Brandeburg1-8/+8
used a modified checkstack to get the 56 number (normally checkstack wouldn't show this low a value) checkstack before: 0x0000012f e1000e_check_options [e1000e]: 272 after: 0x0000012f e1000e_check_options [e1000e]: 56 Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13skbuff: remove unused dev_consume_skb macro definitionAlexander Duyck1-1/+0
dev_consume_skb and kfree_skb_clean have no users and in the case of kfree_skb_clean could cause potential build issues since I cannot find where it is defined. Based on the patch in which it was introduced it appears to have been a bit of leftover code from an earlier version of the patch in which kfree_skb_clean was dropped in favor of consume_skb. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13igb: modify register test for i350 to reflect read only bits in RDLEN/TDLENAlexander Duyck1-4/+4
The registers for RDLEN/TDLEN on i350 have the first 7 bits as read only. This is a change from previous hardware in which it was only the first 4 bits that were read only. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13myri10ge: use the DMA state API instead of the pci equivalentsFUJITA Tomonori1-22/+22
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Andrew Gallatin <gallatin@myri.com> Cc: Brice Goglin <brice@myri.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13qlge: use the DMA state API instead of the pci equivalentsFUJITA Tomonori2-33/+33
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13cxgb3: use the DMA state API instead of the pci equivalentsFUJITA Tomonori1-10/+10
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13chelsio: use the DMA state API instead of the pci equivalentsFUJITA Tomonori1-25/+25
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13qla3xxx: use the DMA state API instead of the pci equivalentsFUJITA Tomonori2-36/+36
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13tg3: use the DMA state API instead of the pci equivalentsFUJITA Tomonori2-22/+22
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Matt Carlson <mcarlson@broadcom.com> Cc: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13IPv6: only notify protocols if address is compeletely gonestephen hemminger1-1/+3
The notifier for address down should only be called if address is completely gone, not just being marked as tentative on link transistion. The code in net-next would case bonding/sctp/s390 to see address disappear on link down, but they would never see it reappear on link up. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13ipv6: additional ref count for hash list unnecessarystephen hemminger1-3/+0
Since an address in hash list has to already have a ref count, no additional ref count is needed. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13IPv6: keep tentative addresses in hash tablestephen hemminger1-7/+8
When link goes down, want address to be preserved but in a tentative state, therefore it has to stay in hash list. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13IPv6: keep route for tentative addressstephen hemminger1-1/+2
Recent changes preserve IPv6 address when link goes down (good). But would cause address to point to dead dst entry (bad). The simplest fix is to just not delete route if address is being held for later use. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13tg3: Update version to 3.110Matt Carlson1-2/+2
This patch updates the tg3 version to 3.110. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13tg3: Remove function errors flagged by checkpatchMatt Carlson1-9/+9
This patch removes the following checkpatch errors: * return is not a function, parentheses are not required * space prohibited between function name and open parenthesis '(' Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13tg3: Unify max pkt size preprocessor constantsMatt Carlson2-3/+2
The maximum packet size that gets programmed into the standard producer ring control block is directly related to the packet size used to allocate packet buffers. This patch removes the redundant preprocessor constant. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13tg3: Re-inline VLAN tags when appropriateMatt Carlson1-11/+33
The tg3 driver is written so that VLAN tagged packets can be accepted, even if CONFIG_VLAN_8021Q or CONFIG_VLAN_8021Q_MODULE is not defined. (Think raw interfaces.) If the device has ASF support enabled, the firmware requires the driver to enable VLAN tag stripping. If VLAN tagging is not explicitly supported by the kernel and ASF is enabled, the driver will have to reinject the VLAN tag back into the packet stream. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13tg3: Optimize rx double copy testMatt Carlson2-10/+27
On a PCIX bus, the 5701 has a bug which requires the driver to double copy all rx packets. The rx code uses the rx_offset device member as a flag to determine if this workaround should take effect. The following patch will modify the rx_offset member such that this test will become less clear. The patch starts by integrating the workaround check into the packet length check. It rounds out the implementation by relaxing the workaround restrictions if the platform has efficient unaligned accesses. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13tg3: Reduce 57765 core clock when link at 10MbpsMatt Carlson1-0/+5
This patch reduces the core clock to 6.25MHz when operating at 10Mbps link speed. This is needed to prevent a bug that will ultimately cause transmits to cease. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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