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2011-12-06caif-shm: Bugfixes for caif_shmcore.csjur.brandeland@stericsson.com1-10/+11
Various bugfixes for caif_shmcore.c: - fix deadlocks due to improper usage of spin-lock - add missing spin-lock init - don't call dev_kfree_skb() with irqs disabled, use dev_kfree_skb_irq() instead. - fix potential skb null pointer de-reference. Squashed original patches from: Rabin Vincent <rabin.vincent@stericsson.com> Durga Prasada Rao BATHINA <durgaprasadarao.b@stericcson.com> Arun Murthy <arun.murthy@stericsson.com> Bibek Basu <bibek.basu@stericsson.com> Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06caif: Bad assert triggering false positive.sjur.brandeland@stericsson.com1-1/+1
Fix bad assert on fragment size triggering false positive. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06caif-hsi: Remove wake line modification when flushing FIFOChristian Auby1-11/+0
Raising wake before flushing FIFO and lowering it after caused a spike on AC wake that were sometimes detected and acted upon by the modem. Fixed this by remove wake line modification when flushing FIFO. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06ipv6: Move xfrm_lookup() call down into icmp6_dst_alloc().David S. Miller4-29/+12
And return error pointers. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06ipv6: Make third arg to anycast_dst_alloc() bool.David S. Miller4-4/+4
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06bnx2x: Fix compile errors if CONFIG_CNIC is not setMichael Chan1-2/+2
Don't provide FCoE and iSCSI statistics to management firmware if CONFIG_CNIC is not set. Some needed structure fields are not defined without CONFIG_CNIC. Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06net: Silence seq_scale() unused warningStephen Boyd1-0/+2
On a CONFIG_NET=y build net/core/secure_seq.c:22: warning: 'seq_scale' defined but not used Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06sock_diag: Move the sock_ code to net/core/Pavel Emelyanov3-100/+158
This patch moves the sock_ code from inet_diag.c to generic sock_diag.c file and provides necessary request_module-s calls and a pointer on inet_diag_compat dumping routine. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Cleanup type2proto last userPavel Emelyanov1-23/+24
Now all the code works with sock_diag_req-compatible structs, so it's possible to stop using the inet_diag_type2proto in inet_csk_diag_fill. Pass the inet_diag_req into it and use the sdiag_protocol field. At the same time remove the explicit ext argument, since it's also on the req. However, this conversion is still required in _compat code, so just move this routine, not remove. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Introduce socket family checksPavel Emelyanov1-1/+11
The new API will specify family to work with. Teach the existing socket walking code to bypass not interesting ones. To preserve compatibility with existing behavior the _compat code sets interesting family to AF_UNSPEC to dump them all. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Switch the _dump to work with new headerPavel Emelyanov1-18/+53
Make inet_diag_dumo work with given header instead of calculating one from the nl message. The SOCK_DIAG_BY_FAMILY just passes skb's one through, the compat code converts the old header to new one. Also fix the bytecode calculation to find one at proper offset. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Switch the _get_exact to work with new headerPavel Emelyanov1-7/+22
Make inet_diag_get_exact work with given header instead of calculating one from the nl message. The SOCK_DIAG_BY_FAMILY just passes skb's one through, the compat code converts the old header to new one. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Introduce new inet_diag_req headerPavel Emelyanov2-8/+17
This one coinsides with the sock_diag_req in the beginning and contains only used fields from its previous analogue. The existing code is patched to use the _compat version of it for now. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06sock_diag: Initial skeletonPavel Emelyanov2-2/+123
When receiving the SOCK_DIAG_BY_FAMILY message we have to find the handler for provided family and pass the nl message to it. This patch describes an infrastructure to work with such nandlers and implements stubs for AF_INET(6) ones. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Switch from _GETSOCK to IPPROTO_ numbersPavel Emelyanov3-15/+27
Sorry, but the vger didn't let this message go to the list. Re-sending it with less spam-filter-prone subject. When dumping the AF_INET/AF_INET6 sockets user will also specify the protocol, so prepare the protocol diag handlers to work with IPPROTO_ constants. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Move byte-code finding up the call-stackPavel Emelyanov1-19/+17
Current code calculates it at fixed offset. This offset will change, so move the BC calculation upper to make the further patching simpler. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06sock_diag: Introduce new message typePavel Emelyanov2-2/+16
This type will run the family+protocol based socket dumping. Also prepare the stub function for it. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06inet_diag: Partly rename inet_ to sock_Pavel Emelyanov5-18/+25
The ultimate goal is to get the sock_diag module, that works in family+protocol terms. Currently this is suitable to do on the inet_diag basis, so rename parts of the code. It will be moved to sock_diag.c later. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06caif-spi: Bugfix for dump upon device removalErwan Bracq2-88/+92
Fix dump upon device removal, by moving deinitialization from platform-device-remove to network-interface-uninit. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06bnx2x: fix crash while ethtool -tDmitry Kravkov1-0/+3
commit 2df1a70aaf70e8dff11b89b938a5f317556ee640 "bnx2x: Support for byte queue limits" has introduced an asymmetry in usage of netdev_tx_completed_queue and netdev_tx_sent_queue. Missing call to netdev_tx_sent_queue causes the crash during ethtool -t. The patch adds the missing call. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06netback: fix typo in commentWei Liu1-1/+1
"variables a used" should be "variables are used". Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06netback: remove redundant assignmentWei Liu1-4/+0
New value for netbk->mmap_pages[pending_idx] is assigned in xen_netbk_alloc_page(), no need for a second assignment which exposes internal to the outside world. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06bnx2x, cnic: support DRV_INFO upon FW requestBarak Witkowski6-8/+459
Add support to send driver capabilities, settings and statistics to management firmware. [ Redone using many local variables, removed many unnecessary inlines, and put #defines at the left margin suggested by Joe Perches ] Signed-off-by: Barak Witkowski <barak@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06bnx2x: support classification config queryAriel Elior2-0/+46
To support copying MAC addresses to firmware query structure. [ Fixed up style and formatting errors noted by DaveM and Joe Perches ] Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Barak Witkowski <barak@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06bnx2x: add fcoe statisticsBarak Witkowski4-23/+120
Add FCoE statistics support for FCoE capable devices. Signed-off-by: Barak Witkowski <barak@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06bnx2x: add PFC statisticsBarak Witkowski6-3/+63
Add Priority flow control counters for ethtool -S. Signed-off-by: Barak Witkowski <barak@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06ipv4:correct description for tcp_max_syn_backlogPeter Pan(潘卫平)2-8/+9
Since commit c5ed63d66f24(tcp: fix three tcp sysctls tuning), sysctl_max_syn_backlog is determined by tcp_hashinfo->ehash_mask, and the minimal value is 128, and it will increase in proportion to the memory of machine. The original description for tcp_max_syn_backlog and sysctl_max_syn_backlog are out of date. Changelog: V2: update description for sysctl_max_syn_backlog Signed-off-by: Weiping Pan <panweiping3@gmail.com> Reviewed-by: Shan Wei <shanwei88@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06openvswitch: small potential memory leak in ovs_vport_alloc()Dan Carpenter1-1/+3
We're unlikely to hit this leak, but the static checkers complain if we don't take care of it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06pasemi_mac: Fix building as moduleBen Hutchings1-1/+2
Commit ded19addf9c937d83b9bfb4d73a836732569041b ('pasemic_mac*: Move the PA Semi driver') inadvertently split pasemi_mac into two separate modules with unresolved symbols. Change it back into a single module. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06ipv4: arp: Cleanup in arp.cIgor Maravic1-10/+10
Use "IS_ENABLED(CONFIG_FOO)" macro instead of "defined(CONFIG_FOO) || defined(CONFIG_FOO_MODULE)" Signed-off-by: Igor Maravic <igorm@etf.rs> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-06netback: Fix alert message.Wei Liu1-1/+1
The original message in netback_init was 'kthread_run() fails', which should be 'kthread_create() fails'. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05r8169: fix Rx index race between FIFO overflow recovery and NAPI handler.françois romieu1-8/+3
Since 92fc43b4159b518f5baae57301f26d770b0834c9, rtl8169_tx_timeout ends up resetting Rx and Tx indexes and thus racing with the NAPI handler via -> rtl8169_hw_reset -> rtl_hw_reset -> rtl8169_init_ring_indexes What about returning to the original state ? rtl_hw_reset is only used by rtl8169_hw_reset and rtl8169_init_one. The latter does not need rtl8169_init_ring_indexes because the indexes still contain their original values from the newly allocated network device private data area (i.e. 0). rtl8169_hw_reset is used by: 1. rtl8169_down Helper for rtl8169_close. rtl8169_open explicitely inits the indexes anyway. 2. rtl8169_pcierr_interrupt Indexes are set by rtl8169_reinit_task. 3. rtl8169_interrupt rtl8169_hw_reset is needed when the device goes down. See 1. 4. rtl_shutdown System shutdown handler. Indexes are irrelevant. 5. rtl8169_reset_task Indexes must be set before rtl_hw_start is called. 6. rtl8169_tx_timeout Indexes should not be set. This is the job of rtl8169_reset_task anyway. The removal of rtl8169_hw_reset in rtl8169_tx_timeout and its move in rtl8169_reset_task do not change the analysis. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: hayeswang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05r8169: Rx FIFO overflow fixes.françois romieu1-25/+17
Realtek has specified that the post 8168c gigabit chips and the post 8105e fast ethernet chips recover automatically from a Rx FIFO overflow. The driver does not need to clear the RxFIFOOver bit of IntrStatus and it should rather avoid messing it. The implementation deserves some explanation: 1. events outside of the intr_event bit mask are now ignored. It enforces a no-processing policy for the events that either should not be there or should be ignored. 2. RxFIFOOver was already ignored in rtl_cfg_infos[RTL_CFG_1] for the whole 8168 line of chips with two exceptions: - RTL_GIGA_MAC_VER_22 since b5ba6d12bdac21bc0620a5089e0f24e362645efd ("use RxFIFO overflow workaround for 8168c chipset."). This one should now be correctly handled. - RTL_GIGA_MAC_VER_11 (8168b) which requires a different Rx FIFO overflow processing. Though it does not conform to Realtek suggestion above, the updated driver includes no change for RTL_GIGA_MAC_VER_12 and RTL_GIGA_MAC_VER_17. Both are 8168b. RTL_GIGA_MAC_VER_12 is common and a bit old so I'd rather wait for experimental evidence that the change suggested by Realtek really helps or does not hurt in unexpected ways. Removed case statements in rtl8169_interrupt are only 8168 relevant. 3. RxFIFOOver is masked for post 8105e 810x chips, namely the sole 8105e (RTL_GIGA_MAC_VER_30) itself. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: hayeswang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05gpio: fix a build failure on KS8695 GPIOLinus Walleij1-1/+1
I screwed up by compiling that driver for the machine rather than the arch. Correcting this fixes the build error. Cc: Grant Likely <grant.likely@secretlab.ca> Reported-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-12-05tcp: remove TCP_OFF and TCP_PAGE macrosEric Dumazet1-13/+10
As mentioned by Joe Perches, TCP_OFF() and TCP_PAGE() macros are useless. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05bql: fix CONFIG_XPS=n buildEric Dumazet1-2/+0
netdev_queue_release() should be called even if CONFIG_XPS=n to properly release device reference. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05tcp: fix tcp_trim_head()Eric Dumazet1-5/+8
commit f07d960df3 (tcp: avoid frag allocation for small frames) breaked assumption in tcp stack that skb is either linear (skb->data_len == 0), or fully fragged (skb->data_len == skb->len) tcp_trim_head() made this assumption, we must fix it. Thanks to Vijay for providing a very detailed explanation. Reported-by: Vijay Subramanian <subramanian.vijay@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05caif: Stash away hijacked skb destructor and call it latersjur.brandeland@stericsson.com1-1/+33
This patch adds functionality for avoiding orphaning SKB too early. The original skb is stashed away and the original destructor is called from the hi-jacked flow-on callback. If CAIF interface goes down and a hi-jacked SKB exists, the original skb->destructor is restored. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05caif: Add support for flow-control on device's tx-queuesjur.brandeland@stericsson.com1-1/+84
Flow control is implemented by inspecting the qdisc queue length in order to detect potential overflow on the TX queue. When a threshold is reached flow-off is sent upwards in the CAIF stack. At the same time the skb->destructor is hi-jacked by orphaning the SKB and the original destructor is replaced with a "flow-on" callback. When the "hi-jacked" SKB is consumed the queue should be empty, and the "flow-on" callback is called and xon is sent upwards in the CAIF stack. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05caif: Add support for CAIF over CDC NCM USB interfacesjur.brandeland@stericsson.com5-9/+224
NCM 1.0 does not support anything but Ethernet framing, hence CAIF payload will be put into Ethernet frames. Discovery is based on fixed USB vendor 0x04cc (ST-Ericsson), product-id 0x230f (NCM). In this variant only CAIF payload is sent over the NCM interface. The CAIF stack (cfusbl.c) will when USB interface register first check if we got a CDC NCM USB interface with the right VID, PID. It will then read the device's Ethernet address and create a 'template' Ethernet TX header, using a broadcast address as the destination address, and EthType 0x88b5 (802.1 Local Experimental - vendor specific). A protocol handler for 0x88b5 is setup for reception of CAIF frames from the CDC NCM USB interface. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05if_ether.h: Add IEEE 802.1 Local Experimental Ethertype 1.sjur.brandeland@stericsson.com1-0/+1
Add EthType 0x88b5. This Ethertype value is available for public use for prototype and vendor-specific protocol development,as defined in Amendment 802a to IEEE Std 802. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05infiniband: ipoib: Sanitize neighbour handling in ipoib_main.cDavid Miller1-12/+12
Reduce the number of dst_get_neighbour_noref() calls within a single call chain. Primarily by passing the neighbour pointer down to the helper functions. Handle dst_get_neighbour_noref() returning NULL in ipoib_start_xmit() by incrementing the dropped counter and freeing the packet. We don't want it to fall through into the ARP/RARP/multicast handling, since that should only happen when skb_dst() is NULL. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Roland Dreier <roland@purestorage.com>
2011-12-05cxgb4i: Handle dst_get_neighbour_noref() returning NULL.David Miller1-1/+7
Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Roland Dreier <roland@purestorage.com>
2011-12-05libcxgbi: Handle dst_get_neighbour_noref() returning NULL.David Miller1-2/+8
Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Roland Dreier <roland@purestorage.com>
2011-12-05infiniband: cxgb4: Consolidate 3 copies of the same operation into 1 helper function.David Miller1-140/+80
Three pieces of code do the same thing, create a l2t entry and then import this information into the c4iw_ep object. Create a helper function and call it from these 3 locations instead. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Roland Dreier <roland@purestorage.com>
2011-12-05infiniband: nes: Use dst's neighbour entry.David Miller1-9/+5
Do this instead of performing a by-hand lookup. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Roland Dreier <roland@purestorage.com>
2011-12-05cxgb3: Handle NULL dst neighbour in cxgb3_offload.cDavid Miller1-3/+15
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05cxgb3: Rework t3_l2t_get to take a dst_entry instead of a neighbour.David Miller5-23/+25
This way we consolidate the RCU locking down into the place where it actually matters, and also we can make the code handle dst_get_neighbour_noref() returning NULL properly. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-05infiniband: addr: Consolidate code to fetch neighbour hardware address from dst.David Miller1-26/+21
IPV4 should do exactly what the IPV6 code does here, which is use the neighbour obtained via the dst entry. And now that the two code paths do the same thing, use a common helper function to perform the operation. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Roland Dreier <roland@purestorage.com>
2011-12-05net: Rename dst_get_neighbour{, _raw} to dst_get_neighbour_noref{, _raw}.David Miller29-58/+58
To reflect the fact that a refrence is not obtained to the resulting neighbour entry. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Roland Dreier <roland@purestorage.com>
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