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2011-11-18Phonet: set the pipe handle using setsockoptDinesh Kumar Sharma2-11/+97
This provides flexibility to set the pipe handle using setsockopt. The pipe can be enabled (if disabled) later using ioctl. Signed-off-by: Hemant Ramdasi <hemant.ramdasi@stericsson.com> Signed-off-by: Dinesh Kumar Sharma <dinesh.sharma@stericsson.com> Acked-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18ip_gre: Set needed_headroom dynamically againHerbert Xu1-0/+2
ip_gre: Set needed_headroom dynamically again Now that all needed_headroom users have been fixed up so that we can safely increase needed_headroom, this patch restore the dynamic update of needed_headroom. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18packet: Add needed_tailroom to packet_sendmsg_spktHerbert Xu1-1/+2
packet: Add needed_tailroom to packet_sendmsg_spkt While auditing LL_ALLOCATED_SPACE I noticed that packet_sendmsg_spkt did not include needed_tailroom when allocating an skb. This isn't a fatal error as we should always tolerate inadequate tail room but it isn't optimal. This patch fixes that. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18net: Remove LL_ALLOCATED_SPACEHerbert Xu1-5/+0
net: Remove LL_ALLOCATED_SPACE The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the alignment to the sum of needed_headroom and needed_tailroom. As the amount that is then reserved for head room is needed_headroom with alignment, this means that the tail room left may be too small. Now that all uses of LL_ALLOCATED_SPACE have been removed, this patch finally removes the macro itself. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18net: Remove all uses of LL_ALLOCATED_SPACEHerbert Xu5-15/+30
net: Remove all uses of LL_ALLOCATED_SPACE The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the alignment to the sum of needed_headroom and needed_tailroom. As the amount that is then reserved for head room is needed_headroom with alignment, this means that the tail room left may be too small. This patch replaces all uses of LL_ALLOCATED_SPACE with the macro LL_RESERVED_SPACE and direct reference to needed_tailroom. This also fixes the problem with needed_headroom changing between allocating the skb and reserving the head room. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18ipv6: Remove all uses of LL_ALLOCATED_SPACEHerbert Xu4-12/+27
ipv6: Remove all uses of LL_ALLOCATED_SPACE The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the alignment to the sum of needed_headroom and needed_tailroom. As the amount that is then reserved for head room is needed_headroom with alignment, this means that the tail room left may be too small. This patch replaces all uses of LL_ALLOCATED_SPACE in net/ipv6 with the macro LL_RESERVED_SPACE and direct reference to needed_tailroom. This also fixes the problem with needed_headroom changing between allocating the skb and reserving the head room. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18ipv4: Remove all uses of LL_ALLOCATED_SPACEHerbert Xu4-10/+22
ipv4: Remove all uses of LL_ALLOCATED_SPACE The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the alignment to the sum of needed_headroom and needed_tailroom. As the amount that is then reserved for head room is needed_headroom with alignment, this means that the tail room left may be too small. This patch replaces all uses of LL_ALLOCATED_SPACE in net/ipv4 with the macro LL_RESERVED_SPACE and direct reference to needed_tailroom. This also fixes the problem with needed_headroom changing between allocating the skb and reserving the head room. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18net-forcedeth: fix possible stats inaccuracies on 32b hostsdavid decotigny1-4/+4
The software stats are updated from BH, this change ensures that 32b UP hosts use appropriate protection. Tested: - HW/SW stats consistent with pktgen (in particular tx=rx) - HW/SW stats consistent when tx/rx offloads disabled - no problem with+without lockdep (SMP 16-way) Signed-off-by: David Decotigny <david.decotigny@google.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18bnx2: switch to build_skb() infrastructureEric Dumazet2-69/+85
This is very similar to bnx2x conversion, but bnx2 only requires 16bytes alignement at start of the received frame to store its l2_fhdr, so goal was not to reduce skb truesize (in fact it should not change after this patch) Using build_skb() reduces cache line misses in the driver, since we use cache hot skb instead of cold ones. Number of in-flight sk_buff structures is lower, they are more likely recycled in SLUB caches while still hot. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Michael Chan <mchan@broadcom.com> CC: Eilon Greenstein <eilong@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17net: use jump_label to shortcut RPS if not setupEric Dumazet4-16/+26
Most machines dont use RPS/RFS, and pay a fair amount of instructions in netif_receive_skb() / netif_rx() / get_rps_cpu() just to discover RPS/RFS is not setup. Add a jump_label named rps_needed. If no device rps_map or global rps_sock_flow_table is setup, netif_receive_skb() / netif_rx() do a single instruction instead of many ones, including conditional jumps. jmp +0 (if CONFIG_JUMP_LABEL=y) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17ibm/emac: fix improper cleanup when device is removed to allow re-bindWolfgang Grandegger1-0/+3
The re-binding (unbind..bind) of an EMAC device fails because the static variable "busy_phy_map" is not updated when the device is removed. Signed-off-by: Wolfgang Grandegger <wg@denx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17Merge branch 'master' of ↵John W. Linville205-6457/+9022
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem Conflicts: include/net/bluetooth/bluetooth.h
2011-11-17ipv6: Use pr_warn() in ip6_fib.cDavid S. Miller1-10/+10
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-17IPV6 Fix a crash when trying to replace non existing routeMatti Vaittinen1-7/+14
This patch fixes a crash when non existing IPv6 route is tried to be changed. When new destination node was inserted in middle of FIB6 tree, no relevant sanity checks were performed. Later route insertion might have been prevented due to invalid request, causing node with no rt info being left in tree. When this node was accessed, a crash occurred. Patch adds missing checks in fib6_add_1() Signed-off-by: Matti Vaittinen <Mazziesaccount@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16forcedeth: stats updated with a deferrable timerdavid decotigny1-1/+1
Mark stats timer as deferrable: punctuality in waking the stats timer callback doesn't matter much, as it is responsible only to avoid integer wraparound. We need at least 1 other timer to fire within 17s (fully loaded 1Gbps) to avoid wrap-arounds. Desired period is still 10s. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16forcedeth: account for dropped RX framesdavid decotigny1-2/+12
This adds code to update the stats counter for dropped RX frames. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16forcedeth: implement ndo_get_stats64() APIdavid decotigny1-51/+146
This commit implements the ndo_get_stats64() API for forcedeth. Since hardware stats are being updated from different contexts (process and timer), this commit adds synchronization. For software stats, it relies on the u64_stats_sync.h API. Tested: - 16-way SMP x86_64 -> RX bytes:7244556582 (7.2 GB) TX bytes:181904254 (181.9 MB) - pktgen + loopback: identical rx_bytes/tx_bytes and rx_packets/tx_packets Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16forcedeth: allow to silence "TX timeout" debug messagesSameer Nanda1-41/+57
This adds a new module parameter "debug_tx_timeout" to silence most debug messages in case of TX timeout. These messages don't provide a signal/noise ratio high enough for production systems and, with ~30kB logged each time, they tend to add to a cascade effect if the system is already under stress (memory pressure, disk, etc.). By default, the parameter is clear, meaning that only a single warning will be reported. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16forcedeth: Add messages to indicate using MSI or MSI-XMike Ditto1-0/+2
This adds a few kernel messages to indicate whether PCIe interrupts are signaled with MSI or MSI-X. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: new counter for tx_timeout errors in sysfsdavid decotigny3-8/+42
This adds the /sys/class/net/DEV/queues/Q/tx_timeout attribute containing the total number of timeout events on the given queue. It is always available with CONFIG_SYSFS, independently of CONFIG_RPS/XPS. Credits to Stephen Hemminger for a preliminary version of this patch. Tested: without CONFIG_SYSFS (compilation only) with sysfs and without CONFIG_RPS & CONFIG_XPS with sysfs and without CONFIG_RPS with sysfs and without CONFIG_XPS with defaults Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net-sysfs: fixed minor sparse warningdavid decotigny1-6/+6
This commit fixes following warning: net/core/net-sysfs.c:921:6: warning: symbol 'numa_node' shadows an earlier one include/linux/topology.h:222:1: originally declared here Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16forcedeth: fix stats on hardware without extended stats supportdavid decotigny1-9/+27
This change makes sure that tx_packets/rx_bytes ifconfig counters are updated even on NICs that don't provide hardware support for these stats: they are now updated in software. For the sake of consistency, we also now have tx_bytes updated in software (hardware counters include ethernet CRC, and software doesn't account for it). This reverts parts of: - "forcedeth: statistics optimization" (21828163b2) - "forcedeth: Improve stats counters" (0bdfea8ba8) - "forcedeth: remove unneeded stats updates" (4687f3f364) Tested: pktgen + loopback (http://patchwork.ozlabs.org/patch/124698/) reports identical tx_packets/rx_packets and tx_bytes/rx_bytes. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> (cherry picked from commit 898bdf2cb43eb0a962c397eb4dd1aec2c7211be2)
2011-11-16net: verify GSO flag bits against netdev featuresMichał Mirosław1-0/+9
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: drivers: use bool type instead of double negationMichał Mirosław4-6/+6
Save some punctuation by using bool type's property equivalent to doubled negation operator. Reported-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: ethtool: fix coding styleMichał Mirosław1-7/+8
Add missing spaces around multiplication operator. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16ucc_geth: Convert ENET_NUM_OCTETS_PER_ADDRESS uses to ETH_ALENJoe Perches2-4/+4
Reduce the number of #defines, use the normal #define from if_ether.h Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16amd8111e: Convert ETH_ADDR_LEN uses to ETH_ALENJoe Perches2-4/+3
Reduce the number of #defines, use the normal #define from if_ether.h Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16bna: Convert MAC_ADDRLEN uses to ETH_ALENJoe Perches1-2/+1
Reduce the number of #defines, use the normal #define from if_ether.h Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16ethernet: Convert ETHER_ADDR_LEN uses to ETH_ALENJoe Perches16-28/+22
Reduce the number of #defines, use the normal #define from if_ether.h Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16ethernet: Convert MAC_ADDR_LEN uses to ETH_ALENJoe Perches5-49/+38
Reduce the number of #defines, use the normal #define from if_ether.h Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: Add ethtool to mii advertisment conversion helpersMatt Carlson6-120/+197
Translating between ethtool advertisement settings and MII advertisements are common operations for ethernet drivers. This patch adds a set of helper functions that implements the conversion. The patch then modifies a couple of the drivers to use the new functions. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16Merge branch 'master' of ↵David S. Miller12-299/+340
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
2011-11-16team: replicate options on registerJiri Pirko3-17/+72
Since multiple team instances are putting defined options into their option list, during register each option must be cloned before added into list. This resolves uncool memory corruptions when using multiple teams. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16team: convert overall spinlock to mutexJiri Pirko2-17/+17
No need to have spinlock for this purpose. So convert this to mutex and avoid current schedule while atomic problems in netlink code. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16team: Do not hold rcu_read_lock when running netlink cmdsJiri Pirko1-6/+5
Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-166LoWPAN: double free in lowpan_fragment_xmit()Dan Carpenter1-3/+0
dev_queue_xmit() consumes its own skb, so the call to dev_kfree_skb() in lowpan_fragment_xmit() is a double free. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16be2net: Use V1 query link status command for lancerPadmanabh Ratnakar1-0/+3
Use V1 version of query link status command for Lancer. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16be2net: Fix VLAN promiscous mode for LancerPadmanabh Ratnakar1-1/+2
To enable VLAN promiscous mode, the HW interface should be created with VLAN promiscous capability in Lancer. Add this capability during creation of the HW interface. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16be2net: Add EEPROM dump feature for LancerPadmanabh Ratnakar2-1/+22
Implemented eeprom dump using ethtool feature for Lancer. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16be2net: add register dump feature for LancerPadmanabh Ratnakar3-4/+151
Implement register dump using ethtool for Lancer. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16be2net: Fix TX queue create for LancerPadmanabh Ratnakar2-9/+18
Lancer uses V1 version of TXQ create. This command needs interface id for TX queue creation. Rearrange code such that tx queue create is after interface create. As TXQ create is now called after MCC ring create use MCC instead of MBOX. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16infiniband: Update net drivers for netdev_features_t changes.David S. Miller2-4/+4
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: remove NETIF_F_NO_CSUM feature bitMichał Mirosław14-31/+19
Only distinct use is checking if NETIF_F_NOCACHE_COPY should be enabled by default. The check heuristics is altered a bit here, so it hits other people than before. The default shouldn't be trusted for performance-critical cases anyway. For all other uses NETIF_F_NO_CSUM is equivalent to NETIF_F_HW_CSUM. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: extend netdev_features_t to 64 bitsMichał Mirosław1-1/+1
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16ethtool: prepare for larger netdev_features_t typeMichał Mirosław1-16/+26
v2: changed loop in ethtool_set_features() per Ben's suggestion Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: ethtool: use C99 array initialization for feature-names tableMichał Mirosław1-38/+36
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: Define enum for net device features.Michał Mirosław1-40/+93
Define feature values by bit position instead of direct 2**i values and force the values to be of type netdev_features_t. Cleaned and extended from patch by Mahesh Bandewar <maheshb@google.com>: + added netdev_features_t casts + included bits under NETIF_F_GSO_MASK + moved feature #defines out of struct net_device definition Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: introduce and use netdev_features_t for device features setsMichał Mirosław74-202/+305
v2: add couple missing conversions in drivers split unexporting netdev_fix_features() implemented %pNF convert sock::sk_route_(no?)caps Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: split netdev features to separate headerMichał Mirosław2-78/+92
Move features definitions to separate header so that linux/skbuff.h won't need to include linux/netdevice.h after netdev_features_t is introduced. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-16net: ethtool: break association of ETH_FLAG_* with NETIF_F_*Michał Mirosław1-10/+23
This is the only place left where dev->features are directly exposed to userspace. I know checkpatch.pl complains about __ethtool_{get,set}_flags(), but the code is easier to read this way. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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