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2016-04-14brcmfmac: screening firmware event packetFranky Lin
Firmware uses asynchronized events as a communication method to the host. The event packets are marked as ETH_P_LINK_CTL protocol type. For SDIO and PCIe bus, this kind of packets are delivered through virtual event channel not data channel. This patch adds a screening logic to make sure the event handler only processes the events coming from the correct channel. Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Signed-off-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14brcmfmac: fix p2p scan abort null pointer exceptionHante Meuleman
When p2p connection setup is performed without having ever done an escan a null pointer exception can occur. This is because the ifp to abort scanning is taken from escan struct while it was never initialized. Fix this by using the primary ifp for scan abort. The abort should still be performed and all scan related commands are performed on primary ifp. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Signed-off-by: Hante Meuleman <hante.meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14brcmfmac: insert default boardrev in nvram data if missingHante Meuleman
Some nvram files/stores come without the boardrev information, but firmware requires this to be set. When not found in nvram then add a default boardrev string to the nvram data. Reported-by: Rafal Milecki <zajec5@gmail.com> Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <franky.lin@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Signed-off-by: Hante Meuleman <hante.meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14brcmfmac: fix clearing wowl wake indicatorsHante Meuleman
Newer firmwares require the usage of the wowl wakeind struct as size for the iovar to clear the wake indicators. Older firmwares do not care, so change the used size. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Signed-off-by: Hante Meuleman <hante.meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14brcmfmac: clear eventmask array before using itHante Meuleman
When the event_msgs iovar is set an array is used to configure the enabled events. This arrays needs to nulled before configuring otherwise unhandled events will be enabled. This solves a problem where in case of wowl the host got woken by an incorrectly enabled event. Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <hante.meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Adjust AFE crystal value on 8192euJes Sorensen
Adjust AFE before enabling PLL on 8192eu, probably also needed for 8723bu. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Implement IQK calibration for 8192euJes Sorensen
8192eu has it's own IQK calibration procedure, and notably uses undocumented RF register 0x56 in the process. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Use proper register name for REG_PAD_CTRL1Jes Sorensen
Fixup another case where the hard coded register value was used instead of the name. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Implement 8192eu device specific quirksJes Sorensen
Set REG_QUEUE_CTRL and REG_ACLK_MON for 8192eu. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Fix LDPC RX hang issue on 8192euJes Sorensen
Implement workaround for LDPC RX hands on 8192eu. This was inspired by workaround found in the 8192eu vendor driver. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Set REG_USB_HRPWM for 8192euJes Sorensen
The vendor driver set register 0xfe58 REG_USB_HWPWM in it's init sequence for 8192eu. Do the same here. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Set correct interrupt masking registers on 8192euJes Sorensen
Set HIMR[01] on 8192eu instead of HISR/HIMR. It's not obvious this really matters for USB devices, but this matches the register writes performed by the vendor driver. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Handle XTAL value setting on 8192euJes Sorensen
Set REG_AFE_XTAL_CTRL on 8192eu to the vendor driver value, and do not skip setting REG_MAX_AGGR_NUM on 8192eu. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Provide special handling when writing RF regs on 8192euJes Sorensen
The 8192eu requires clearing/restoring bit 17 in REG_FPGA0_POWER_SAVE before/after writing RF registers. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Handle BB init for 8192euJes Sorensen
The 8192eu does not use REG_AFE_PLL_CTRL in it's BB init sequence, so provide device specific handling. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Correctly parse 8192eu efuseJes Sorensen
The 8192eu efuse only has power data for path A and B. It follows the same layout as 8723bu. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Pick PHY init table based on chip version firstJes Sorensen
Pick PHY init table based on device before distinguishing between 1T/2T/high PA tables. The latter is only currently used for 8188cu/8192cu/8188ru. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Add 8192eu PHY init tableJes Sorensen
The 8192eu also requires it's own PHY init table. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Add 8192eu AGC tablesJes Sorensen
A device specific AGC table is required for the 8192eu as well. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Add radio init tables for 8192euJes Sorensen
Add the required radio init tables for 8192eu devices. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Set TX page boundaries for 8192euJes Sorensen
The 8192eu also has it's own TRXFF boundary value to set. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Do not mess with AFE_XTAL_CTRL on 8192euJes Sorensen
To match the vendor driver, do not mess with AFE_XTAL_CTRL on 8192eu. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14rtl8xxxu: Add MAC init table for 8192euJes Sorensen
The 8192eu requires a different MAC init table. Add the missing table and specify the table to use in the fileops structure. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-14gre: eliminate holes in ip_tunnelstephen hemminger
The structure can be packed denser by doing minor rearrangement of existing elements. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14ravb: make ravb_ptp_interrupt() *void*Sergei Shtylyov
When we have the ISS.CGIS bit set, we already know that gPTP interrupt has happened, so an extra GIS register check at the end of ravb_ptp_interrupt() seems superfluous. We can model the gPTP interrupt handler like all other dedicated interrupt handlers in the driver and make it *void*. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14Merge branch 'qed-ethtool-rss'David S. Miller
Yuval Mintz says: ==================== qed*: [mostly] Ethtool RSS configuration Most of the content [code-wise] in this series is for allowing various RSS-related configuration via ethtool. In addition, this also removed an unnecessary versioning scheme between the drivers and bump the driver version. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14qed* - bump driver versions to 8.7.1.20Yuval Mintz
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14qede: add Rx flow hash/indirection support.Sudarsana Reddy Kalluru
Adds support for the following via ethtool: - UDP configuration of RSS based on 2-tuple/4-tuple. - RSS hash key. - RSS indirection table. Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14qed: add Rx flow hash/indirection support.Sudarsana Reddy Kalluru
Adds the required API for passing RSS-related configuration from qede. Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14qed*: remove version dependencyRahul Verma
Inbox drivers don't need versioning scheme in order to guarantee compatibility, as both qed and qede are compiled from same codebase. Signed-off-by: Rahul Verma <rahul.verma@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-04-14net: remove netdevice gso_min_segsEric Dumazet
After introduction of ndo_features_check(), we believe that very specific checks for rare features should not be done in core networking stack. No driver uses gso_min_segs yet, so we revert this feature and save few instructions per tx packet in fast path. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14qdisc: constify meta_type_ops structuresJulia Lawall
The meta_type_ops structures are never modified, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-14net: bcmgenet: add BQL supportPetri Gynther
Add Byte Queue Limits (BQL) support to bcmgenet driver. Signed-off-by: Petri Gynther <pgynther@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13net: bcmgenet: use __napi_schedule_irqoff()Florian Fainelli
bcmgenet_isr1() and bcmgenet_isr0() run in hard irq context, we do not need to block irq again. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Petri Gynther <pgynther@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13net: bcmgenet: use napi_complete_done()Eric Dumazet
By using napi_complete_done(), we allow fine tuning of /sys/class/net/ethX/gro_flush_timeout for higher GRO aggregation efficiency for a Gbit NIC. Check commit 24d2e4a50737 ("tg3: use napi_complete_done()") for details. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Petri Gynther <pgynther@google.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Petri Gynther <pgynther@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13Merge branch 'sctp-delayed-wakeups'David S. Miller
Marcelo Ricardo Leitner says: ==================== sctp: delay calls to sk_data_ready() as much as possible 1st patch is a preparation for the 2nd. The idea is to not call ->sk_data_ready() for every data chunk processed while processing packets but only once before releasing the socket. v2: patchset re-checked, small changelog fixes v3: on patch 2, make use of local vars to make it more readable ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13sctp: delay calls to sk_data_ready() as much as possibleMarcelo Ricardo Leitner
Currently processing of multiple chunks in a single SCTP packet leads to multiple calls to sk_data_ready, causing multiple wake up signals which are costy and doesn't make it wake up any faster. With this patch it will note that the wake up is pending and will do it before leaving the state machine interpreter, latest place possible to do it realiably and cleanly. Note that sk_data_ready events are not dependent on asocs, unlike waking up writers. v2: series re-checked v3: use local vars to cleanup the code, suggested by Jakub Sitnicki Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13sctp: compress bit-wide flags to a bitfield on sctp_sockMarcelo Ricardo Leitner
It wastes space and gets worse as we add new flags, so convert bit-wide flags to a bitfield. Currently it already saves 4 bytes in sctp_sock, which are left as holes in it for now. The whole struct needs packing, which should be done in another patch. Note that do_auto_asconf cannot be merged, as explained in the comment before it. Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13drivers/net/ethernet/jme.c: Deinline jme_reset_mac_processor, save 2816 bytesDenys Vlasenko
This function compiles to 895 bytes of machine code. Clearly, this isn't a time-critical function. For one, it has a number of udelay(1) calls. Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com> CC: David S. Miller <davem@davemloft.net> CC: linux-kernel@vger.kernel.org CC: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13Merge branch 'bridge-sysfs-rtnl-notifications'David S. Miller
Xin Long says: ==================== bridge: support sending rntl info when we set attributes through sysfs/ioctl This patchset is used to support sending rntl info to user in some places, and ensure that whenever those attributes change internally or from sysfs, that a netlink notification is sent out to listeners. It also make some adjustment in bridge sysfs so that we can implement this easily. I've done some tests on this patchset, like: [br_sysfs] 1. change all the attribute values of br or brif: $ echo $value > /sys/class/net/br0/bridge/{*} $ echo $value > /sys/class/net/br0/brif/eth1/{*} 2. meanwhile, on another terminal to observe the msg: $ bridge monitor [br_ioctl] 1. in bridge-utils package, do some changes in br_set, let brctl command use ioctl to set attribute: if ((ret = set_sysfs(path, value)) < 0) { --> if (1) { $ brctl set* 2. meanwhile, on another terminal to observe the msg: $ bridge monitor This test covers all the attributes that brctl and sysfs support to set. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13bridge: a netlink notification should be sent when those attributes are ↵Xin Long
changed by ioctl Now when we change the attributes of bridge or br_port by netlink, a relevant netlink notification will be sent, but if we change them by ioctl or sysfs, no notification will be sent. We should ensure that whenever those attributes change internally or from sysfs/ioctl, that a netlink notification is sent out to listeners. Also, NetworkManager will use this in the future to listen for out-of-band bridge master attribute updates and incorporate them into the runtime configuration. This patch is used for ioctl. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13bridge: a netlink notification should be sent when those attributes are ↵Xin Long
changed by br_sysfs_if Now when we change the attributes of bridge or br_port by netlink, a relevant netlink notification will be sent, but if we change them by ioctl or sysfs, no notification will be sent. We should ensure that whenever those attributes change internally or from sysfs/ioctl, that a netlink notification is sent out to listeners. Also, NetworkManager will use this in the future to listen for out-of-band bridge master attribute updates and incorporate them into the runtime configuration. This patch is used for br_sysfs_if, and we also move br_ifinfo_notify out of store_flag. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13bridge: a netlink notification should be sent when those attributes are ↵Xin Long
changed by br_sysfs_br Now when we change the attributes of bridge or br_port by netlink, a relevant netlink notification will be sent, but if we change them by ioctl or sysfs, no notification will be sent. We should ensure that whenever those attributes change internally or from sysfs/ioctl, that a netlink notification is sent out to listeners. Also, NetworkManager will use this in the future to listen for out-of-band bridge master attribute updates and incorporate them into the runtime configuration. This patch is used for br_sysfs_br. and we also need to remove some rtnl_trylock in old functions so that we can call it in a common one. For group_addr_store, we cannot make it use store_bridge_parm, because it's not a string-to-long convert, we will add notification on it individually. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13bridge: simplify the stp_state_store by calling store_bridge_parmXin Long
There are some repetitive codes in stp_state_store, we can remove them by calling store_bridge_parm. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13bridge: simplify the forward_delay_store by calling store_bridge_parmXin Long
There are some repetitive codes in forward_delay_store, we can remove them by calling store_bridge_parm. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13bridge: simplify the flush_store by calling store_bridge_parmXin Long
There are some repetitive codes in flush_store, we can remove them by calling store_bridge_parm, also, it would send rtnl notification after we add it in store_bridge_parm in the following patches. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13net: force inlining of netif_tx_start/stop_queue, sock_hold, __sock_putDenys Vlasenko
Sometimes gcc mysteriously doesn't inline very small functions we expect to be inlined. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66122 Arguably, gcc should do better, but gcc people aren't willing to invest time into it, asking to use __always_inline instead. With this .config: http://busybox.net/~vda/kernel_config_OPTIMIZE_INLINING_and_Os, the following functions get deinlined many times. netif_tx_stop_queue: 207 copies, 590 calls: 55 push %rbp 48 89 e5 mov %rsp,%rbp f0 80 8f e0 01 00 00 01 lock orb $0x1,0x1e0(%rdi) 5d pop %rbp c3 retq netif_tx_start_queue: 47 copies, 111 calls 55 push %rbp 48 89 e5 mov %rsp,%rbp f0 80 a7 e0 01 00 00 fe lock andb $0xfe,0x1e0(%rdi) 5d pop %rbp c3 retq sock_hold: 39 copies, 124 calls 55 push %rbp 48 89 e5 mov %rsp,%rbp f0 ff 87 80 00 00 00 lock incl 0x80(%rdi) 5d pop %rbp c3 retq __sock_put: 6 copies, 13 calls 55 push %rbp 48 89 e5 mov %rsp,%rbp f0 ff 8f 80 00 00 00 lock decl 0x80(%rdi) 5d pop %rbp c3 retq This patch fixes this via s/inline/__always_inline/. Code size decrease after the patch is ~2.5k: text data bss dec hex filename 56719876 56364551 36196352 149280779 8e5d80b vmlinux_before 56717440 56364551 36196352 149278343 8e5ce87 vmlinux Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com> CC: David S. Miller <davem@davemloft.net> CC: linux-kernel@vger.kernel.org CC: netdev@vger.kernel.org CC: netfilter-devel@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13Doc: networking: Fix typo in dsaMasanari Iida
This patch fix typos in Documentation/networking/dsa. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-13ipv6, token: allow for clearing the current device tokenDaniel Borkmann
The original tokenized iid support implemented via f53adae4eae5 ("net: ipv6: add tokenized interface identifier support") didn't allow for clearing a device token as it was intended that this addressing mode was the only one active for globally scoped IPv6 addresses. Later we relaxed that restriction via 617fe29d45bd ("net: ipv6: only invalidate previously tokenized addresses"), and we should also allow for clearing tokens as there's no good reason why it shouldn't be allowed. Fixes: 617fe29d45bd ("net: ipv6: only invalidate previously tokenized addresses") Reported-by: Robin H. Johnson <robbat2@gentoo.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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