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* esp6: Reorganize esp_outputSteffen Klassert2017-04-143-124/+246
| | | | | | | | | We need a fallback for ESP at layer 2, so split esp6_output into generic functions that can be used at layer 3 and layer 2 and use them in esp_output. We also add esp6_xmit which is used for the layer 2 fallback. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* esp4: Reorganize esp_outputSteffen Klassert2017-04-143-158/+301
| | | | | | | | | We need a fallback for ESP at layer 2, so split esp_output into generic functions that can be used at layer 3 and layer 2 and use them in esp_output. We also add esp_xmit which is used for the layer 2 fallback. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* esp6: Remame esp_input_done2Steffen Klassert2017-04-141-3/+3
| | | | | | | | | We are going to export the ipv4 and the ipv6 version of esp_input_done2. They are not static anymore and can't have the same name. So rename the ipv6 version to esp6_input_done2. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* xfrm: Add an IPsec hardware offloading APISteffen Klassert2017-04-1414-24/+424
| | | | | | | | | | | | | | | | | | | This patch adds all the bits that are needed to do IPsec hardware offload for IPsec states and ESP packets. We add xfrmdev_ops to the net_device. xfrmdev_ops has function pointers that are needed to manage the xfrm states in the hardware and to do a per packet offloading decision. Joint work with: Ilan Tayari <ilant@mellanox.com> Guy Shapiro <guysh@mellanox.com> Yossi Kuperman <yossiku@mellanox.com> Signed-off-by: Guy Shapiro <guysh@mellanox.com> Signed-off-by: Ilan Tayari <ilant@mellanox.com> Signed-off-by: Yossi Kuperman <yossiku@mellanox.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* xfrm: Add mode handlers for IPsec on layer 2Steffen Klassert2017-04-145-0/+124
| | | | | | | | This patch adds a gso_segment and xmit callback for the xfrm_mode and implement these functions for tunnel and transport mode. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* xfrm: Move device notifications to a sepatate fileSteffen Klassert2017-04-144-17/+46
| | | | | | This is needed for the upcomming IPsec device offloading. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* xfrm: Add a xfrm type offload.Steffen Klassert2017-04-142-6/+95
| | | | | | | | We add a struct xfrm_type_offload so that we have the offloaded codepath separated to the non offloaded codepath. With this the non offloade and the offloaded codepath can coexist. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* net: Add ESP offload featuresSteffen Klassert2017-04-144-1/+13
| | | | | | This patch adds netdev features to configure IPsec offloads. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
* Merge branch 'net-smc-next'David S. Miller2017-04-1212-50/+87
|\ | | | | | | | | | | | | | | | | | | | | | | | | Ursula Braun says: ==================== net/smc: patches for net-next here are some patches for net/smc. Most important are improvements for socket closing. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: do not use IB_SEND_INLINE together with mapped dataUrsula Braun2017-04-122-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | smc specifies IB_SEND_INLINE for IB_WR_SEND ib_post_send calls, but provides a mapped buffer to be sent. This is inconsistent, since IB_SEND_INLINE works without mapped buffer. Problem has not been detected in the past, because tests had been limited to Connect X3 cards from Mellanox, whose mlx4 driver just ignored the IB_SEND_INLINE flag. For now, the IB_SEND_INLINE flag is removed. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: destruct non-accepted socketsUrsula Braun2017-04-122-6/+9
| | | | | | | | | | | | | | | | Make sure sockets never accepted are removed cleanly. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: remove duplicate unhashUrsula Braun2017-04-121-1/+0
| | | | | | | | | | | | | | | | unhash is already called in sock_put_work. Remove the second call. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: guarantee ConnClosed send after shutdown SHUT_WRUrsula Braun2017-04-121-11/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | State SMC_CLOSED should be reached only, if ConnClosed has been sent to the peer. If ConnClosed is received from the peer, a socket with shutdown SHUT_WR done, switches errorneously to state SMC_CLOSED, which means the peer socket is dangling. The local SMC socket is supposed to switch to state APPFINCLOSEWAIT to make sure smc_close_final() is called during socket close. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: no socket state changes in tasklet contextUrsula Braun2017-04-126-20/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several state changes occur during SMC socket closing. Currently state changes triggered locally occur in process context with lock_sock() taken while state changes triggered by peer occur in tasklet context with bh_lock_sock() taken. bh_lock_sock() does not wait till a lock_sock(() task in process context is finished. This may lead to races in socket state transitions resulting in dangling SMC-sockets, or it may lead to duplicate SMC socket freeing. This patch introduces a closing worker to run all state changes under lock_sock(). Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Reported-by: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: always call the POLL_IN part of sk_wake_asyncUrsula Braun2017-04-121-2/+1
| | | | | | | | | | | | | | | | | | Wake up reading file descriptors for a closing socket as well, otherwise some socket applications may stall. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: guarantee reset of write_blocked for heavy workloadUrsula Braun2017-04-121-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | If peer indicates write_blocked, the cursor state of the received data should be send to the peer immediately (in smc_tx_consumer_update()). Afterwards the write_blocked indicator is cleared. If there is no free slot for another write request, sending is postponed to worker smc_tx_work, and the write_blocked indicator is not cleared. Therefore another clearing check is needed in smc_tx_work(). Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: return active RoCE port onlyUrsula Braun2017-04-121-2/+5
| | | | | | | | | | | | | | | | | | | | | | SMC requires an active ib port on the RoCE device. smc_pnet_find_roce_resource() determines the matching RoCE device port according to the configured PNET table. Do not return the found RoCE device port, if it is not flagged active. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: remove useless smc_ib_devices_list checkUrsula Braun2017-04-123-4/+1
| | | | | | | | | | | | | | | | | | | | | | The global event handler is created only, if the ib_device has already been used by at least one link group. It is guaranteed that there exists the corresponding entry in the smc_ib_devices list. Get rid of this superfluous check. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/smc: get rid of old commentUrsula Braun2017-04-121-2/+0
|/ | | | | | | | This patch removes an outdated comment. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: stmmac: use netif_set_real_num_{rx,tx}_queuesJoao Pinto2017-04-121-2/+2
| | | | | | | | | | In the submission of the lastest multiple buffer patch set, this fix was lost. I am sending this patch to put it right again. The fix was originally proposed by Arnd Bergmann. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Joao Pinto <jpinto@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bpf: pass sk to helper functionsWillem de Bruijn2017-04-112-2/+10
| | | | | | | | | | | | | BPF helper functions access socket fields through skb->sk. This is not set in ingress cgroup and socket filters. The association is only made in skb_set_owner_r once the filter has accepted the packet. Sk is available as socket lookup has taken place. Temporarily set skb->sk to sk in these cases. Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* devlink: fix return value check in devlink_dpipe_header_put()Wei Yongjun2017-04-111-1/+1
| | | | | | | | | | Fix the return value check which testing the wrong variable in devlink_dpipe_header_put(). Fixes: 1555d204e743 ("devlink: Support for pipeline debug (dpipe)") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 's390-qeth-updates'David S. Miller2017-04-114-393/+268
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | Julian Wiedmann says: ==================== more s390/net updates here's a second batch of s390/net patches for net-next. A mixed bunch of qeth cleanups, and a few patches to add support for ETHTOOL_GLINKSETTINGS. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: remove unimplemented gdev routinesJulian Wiedmann2017-04-112-19/+2
| | | | | | | | | | | | | | | | | | | | prepare() and complete() are not implemented by any discipline, so just drop all the indirection. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: use LINK_MODE_* to report the link characteristicsJulian Wiedmann2017-04-111-24/+47
| | | | | | | | | | | | | | | | | | | | LINK_MODE_* replaces the u32-limited SUPPORTED_* / ENABLED_* definitions. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: convert to ETHTOOL_GLINKSETTINGS APIJulian Wiedmann2017-04-114-42/+40
| | | | | | | | | | | | | | | | | | | | get_settings() is deprecated and lacks support for higher link speeds, so implement get_link_ksettings() instead. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: clean up qeth_set_ecmd_adv_sup()Julian Wiedmann2017-04-111-29/+28
| | | | | | | | | | | | | | | | | | | | In preparation for moving to get_link_ksettings(), clean up how we build the supported and advertised port/speed masks. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: use and remove some definesJulian Wiedmann2017-04-112-3/+2
| | | | | | | | | | | | | | | | | | 1. a buffer has 16 is_header flags, because that's its # of elements 2. replace the last occurrence of QETH_HEADER_SIZE, and remove it Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: use correct return type for hard_start_xmit()Julian Wiedmann2017-04-112-2/+4
| | | | | | | | | | | | | | | | ndo_start_xmit() expects us to return netdev_tx_t here... Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: remove unused parameterJulian Wiedmann2017-04-114-5/+4
| | | | | | | | | | | | | | | | | | 'elements_needed' is not used in qeth_do_send_packet_fast(), so consequently remove it. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: move gdev shutdown handler to coreJulian Wiedmann2017-04-114-27/+6
| | | | | | | | | | | | | | | | Duplicated code. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: move NAPI poll routine to coreJulian Wiedmann2017-04-114-169/+97
| | | | | | | | | | | | | | | | | | | | | | | | Identical code, we just need to call a layer-specific hook to process any received buffer. qeth_buffer_reclaim_work() is shuffled around to avoid a forward declaration for qeth_queue_input_buffer(). Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * s390/qeth: move common ioctl handling to coreJulian Wiedmann2017-04-114-99/+64
|/ | | | | | | | | | There's a number of layer-independent ioctls that we can handle in core, and reduce code duplication. For layer-specific ioctls, add a do_ioctl() discipline hook. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bpf: remove struct bpf_map_type_listJohannes Berg2017-04-117-165/+53
| | | | | | | | | | | | | | | | | | | There's no need to have struct bpf_map_type_list since it just contains a list_head, the type, and the ops pointer. Since the types are densely packed and not actually dynamically registered, it's much easier and smaller to have an array of type->ops pointer. Also initialize this array statically to remove code needed to initialize it. In order to save duplicating the list, move it to the types header file added by the previous patch and include it in the same fashion. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* bpf: remove struct bpf_prog_type_listJohannes Berg2017-04-115-122/+44
| | | | | | | | | | | | | | | | | | There's no need to have struct bpf_prog_type_list since it just contains a list_head, the type, and the ops pointer. Since the types are densely packed and not actually dynamically registered, it's much easier and smaller to have an array of type->ops pointer. Also initialize this array statically to remove code needed to initialize it. In order to save duplicating the list, move it to a new header file and include it in the places needing it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'fec-driver-code-clean'David S. Miller2017-04-111-17/+28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fugang Duan says: ==================== net: fec: driver code clean The patch series are for fec ethernet driver code clean up, each patch is independent. Patch #1,#4,#5 are code clean up. Patch #2,#3 are for aarch64 platform. Patch #6 is for i.MX6UL to add lost errata workaround. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fec: add ERR007885 for i.MX6ul enet IPFugang Duan2017-04-111-2/+3
| | | | | | | | | | | | | | | | The errata ERR007885 HW fix don't add to i.MX6ul ENET IP version, so add sw workaroud for the chip. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fec: correct the errata number comment typoFugang Duan2017-04-111-1/+1
| | | | | | | | | | | | | | Correct the errata number ERR006358 comment typo. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fec: add phy-reset-gpios PROBE_DEFER checkFugang Duan2017-04-111-8/+18
| | | | | | | | | | | | | | | | | | Many boards use i2c/spi expander gpio as phy-reset-gpios and these gpios maybe registered after fec port, driver should check the return value of .of_get_named_gpio(). Signed-off-by: Fugang Duan <B38611@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fec: pass ->dev to dma_alloc__coherent() APIFugang Duan2017-04-111-2/+2
| | | | | | | | | | | | | | | | In aarch64 system, it requires to trasfer ->dev to dma_alloc_coherent() API, otherwise allocate failed and print kernel warning. Signed-off-by: Fugang Duan <B38611@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fec: avoid BD pointer type cast to 32bitFugang Duan2017-04-111-2/+2
| | | | | | | | | | | | | | | | | | | | In aarch64 system, the BD pointer is 64bit, and the high-order 32-bits of the address is effective, so replace usigned with (void *) type to aovid 64bit address is casted to 32bit in .fec_enet_get_nextdesc() and .fec_enet_get_prevdesc() functions. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: fec: add return value check after calling .of_property_read_u32()Fugang Duan2017-04-111-2/+2
|/ | | | | | | | Add return value check after calling .of_property_read_u32() to avoid the warning reported by coverity. Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'l2tp-drop-l2tp_session_find'David S. Miller2017-04-113-58/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | Guillaume Nault says: ==================== l2tp: drop l2tp_session_find() l2tp_netlink is the last user of l2tp_session_find(), but that call is useless. Let's remove it and drop l2tp_session_find() definitely. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * l2tp: remove l2tp_session_find()Guillaume Nault2017-04-112-53/+1
| | | | | | | | | | | | | | This function isn't used anymore. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
| * l2tp: remove useless duplicate session detection in l2tp_netlinkGuillaume Nault2017-04-111-5/+0
|/ | | | | | | | | | | | | There's no point in checking for duplicate sessions at the beginning of l2tp_nl_cmd_session_create(); the ->session_create() callbacks already return -EEXIST when the session already exists. Furthermore, even if l2tp_session_find() returns NULL, a new session might be created right after the test. So relying on ->session_create() to avoid duplicate session is the only sane behaviour. Signed-off-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'net-remove-pci_enable_msix'David S. Miller2017-04-1110-253/+112
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Christoph Hellwig says: ==================== remove pci_enable_msix() V3 this series removes the remaining callers of the pci_enable_msix() function and then the function itself. The final removal has been Acked by Bjorn. Changes since V2: - add another patch on Dave's request - add various acks - spelling fixes in the commit logs Changes since V1: - replace the two previous thunderx patches with a new one from Thanneeru ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * mlxsw: convert to pci_alloc_irq_vectorsChristoph Hellwig2017-04-111-7/+6
| | | | | | | | | | | | | | | | | | | | | | Trivial conversion as only one vector is supported, but at least we lose the useless msix_entry member in the per-device structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Tested-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * PCI: remove pci_enable_msixChristoph Hellwig2017-04-112-25/+0
| | | | | | | | | | | | | | | | Unused now that all callers switched to pci_alloc_irq_vectors. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: thunderx: Switch to pci_alloc_irq_vectorsThanneeru Srinivasulu2017-04-113-96/+40
| | | | | | | | | | | | | | | | | | | | Remove deprecated pci_enable_msix API in favour of its successor pci_alloc_irq_vectors. Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@cavium.com> Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net/ena: switch to pci_alloc_irq_vectorsChristoph Hellwig2017-04-112-45/+12
| | | | | | | | | | | | | | Remove the deprecated pci_enable_msix API in favour of its successor. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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