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2016-10-18ethernet: use core min/max MTU checkingJarod Wilson33-222/+169
et131x: min_mtu 64, max_mtu 9216 altera_tse: min_mtu 64, max_mtu 1500 amd8111e: min_mtu 60, max_mtu 9000 bnad: min_mtu 46, max_mtu 9000 macb: min_mtu 68, max_mtu 1500 or 10240 depending on hardware capability xgmac: min_mtu 46, max_mtu 9000 cxgb2: min_mtu 68, max_mtu 9582 (pm3393) or 9600 (vsc7326) enic: min_mtu 68, max_mtu 9000 gianfar: min_mtu 50, max_mu 9586 hns_enet: min_mtu 68, max_mtu 9578 (v1) or 9706 (v2) ksz884x: min_mtu 60, max_mtu 1894 myri10ge: min_mtu 68, max_mtu 9000 natsemi: min_mtu 64, max_mtu 2024 nfp: min_mtu 68, max_mtu hardware-specific forcedeth: min_mtu 64, max_mtu 1500 or 9100, depending on hardware pch_gbe: min_mtu 46, max_mtu 10300 pasemi_mac: min_mtu 64, max_mtu 9000 qcaspi: min_mtu 46, max_mtu 1500 - remove qcaspi_netdev_change_mtu as it is now redundant rocker: min_mtu 68, max_mtu 9000 sxgbe: min_mtu 68, max_mtu 9000 stmmac: min_mtu 46, max_mtu depends on hardware tehuti: min_mtu 60, max_mtu 16384 - driver had no max mtu checking, but product docs say 16k jumbo packets are supported by the hardware netcp: min_mtu 68, max_mtu 9486 - remove netcp_ndo_change_mtu as it is now redundant via-velocity: min_mtu 64, max_mtu 9000 octeon: min_mtu 46, max_mtu 65370 CC: netdev@vger.kernel.org CC: Mark Einon <mark.einon@gmail.com> CC: Vince Bridgers <vbridger@opensource.altera.com> CC: Rasesh Mody <rasesh.mody@qlogic.com> CC: Nicolas Ferre <nicolas.ferre@atmel.com> CC: Santosh Raspatur <santosh@chelsio.com> CC: Hariprasad S <hariprasad@chelsio.com> CC: Christian Benvenuti <benve@cisco.com> CC: Sujith Sankar <ssujith@cisco.com> CC: Govindarajulu Varadarajan <_govind@gmx.com> CC: Neel Patel <neepatel@cisco.com> CC: Claudiu Manoil <claudiu.manoil@freescale.com> CC: Yisen Zhuang <yisen.zhuang@huawei.com> CC: Salil Mehta <salil.mehta@huawei.com> CC: Hyong-Youb Kim <hykim@myri.com> CC: Jakub Kicinski <jakub.kicinski@netronome.com> CC: Olof Johansson <olof@lixom.net> CC: Jiri Pirko <jiri@resnulli.us> CC: Byungho An <bh74.an@samsung.com> CC: Girish K S <ks.giri@samsung.com> CC: Vipul Pandya <vipul.pandya@samsung.com> CC: Giuseppe Cavallaro <peppe.cavallaro@st.com> CC: Alexandre Torgue <alexandre.torgue@st.com> CC: Andy Gospodarek <andy@greyhouse.net> CC: Wingman Kwok <w-kwok2@ti.com> CC: Murali Karicheri <m-karicheri2@ti.com> CC: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/toshiba: use core min/max MTU checkingJarod Wilson4-41/+8
gelic_net: min_mtu 64, max_mtu 1518 - remove gelic_net_change_mtu now that it is redundant spidernet: min_Mtu 64, max_mtu 2294 - remove spiter_net_change_mtu now that it is redundant CC: netdev@vger.kernel.org CC: Geoff Levand <geoff@infradead.org> CC: Ishizaki Kou <kou.ishizaki@toshiba.co.jp> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/tile: use core min/max MTU checkingJarod Wilson2-35/+13
tilegx: min_mtu 68, max_mtu 1500 or 9000, depending on modparam - remove tile_net_change_mtu now that it is fully redundant tilepro: min_mtu 68, max_mtu 1500 - hardware supports jumbo packets up to 10226, but it's not implemented or tested yet, according to code comments CC: netdev@vger.kernel.org CC: Chris Metcalf <cmetcalf@mellanox.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/ibm: use core min/max MTU checkingJarod Wilson2-13/+9
ehea: min_mtu 68, max_mtu 9022 - remove ehea_change_mtu, it's now redundant emac: min_mtu 46, max_mtu 1500 or whatever gets read from OF CC: netdev@vger.kernel.org CC: Douglas Miller <dougmill@linux.vnet.ibm.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/cavium: use core min/max MTU checkingJarod Wilson4-28/+12
liquidio: min_mtu 68, max_mtu 16000 thunder: min_mtu 64, max_mtu 9200 CC: netdev@vger.kernel.org CC: Sunil Goutham <sgoutham@cavium.com> CC: Robert Richter <rric@kernel.org> CC: Derek Chickles <derek.chickles@caviumnetworks.com> CC: Satanand Burla <satananda.burla@caviumnetworks.com> CC: Felix Manlunas <felix.manlunas@caviumnetworks.com> CC: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/neterion: use core min/max MTU checkingJarod Wilson3-11/+9
s2io: min_mtu 46, max_mtu 9600 vxge: min_mtu 68, max_mtu 9600 CC: netdev@vger.kernel.org CC: Jon Mason <jdmason@kudzu.us> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/dlink: use core min/max MTU checkingJarod Wilson2-20/+8
dl2k: min_mtu 68, max_mtu 1536 or 8000, depending on hardware - Removed change_mtu, does nothing productive anymore sundance: min_mtu 68, max_mtu 8191 CC: netdev@vger.kernel.org CC: Denis Kirjanov <kda@linux-powerpc.org> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/sun: use core min/max MTU checkingJarod Wilson7-24/+24
cassini: min_mtu 60, max_mtu 9000 niu: min_mtu 68, max_mtu 9216 sungem: min_mtu 68, max_mtu 1500 (comments say jumbo mode is broken) sunvnet: min_mtu 68, max_mtu 65535 - removed sunvnet_change_mut_common as it does nothing now CC: netdev@vger.kernel.org Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/realtek: use core min/max MTU checkingJarod Wilson3-17/+12
8139cp: min_mtu 60, max_mtu 4096 8139too: min_mtu 68, max_mtu 1770 r8169: min_mtu 60, max_mtu depends on chipset, 1500 to 9k-ish CC: netdev@vger.kernel.org CC: Realtek linux nic maintainers <nic_swsd@realtek.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/qlogic: use core min/max MTU checkingJarod Wilson5-16/+11
qede: min_mtu 46, max_mtu 9600 - Put define for max in qede.h qlcnic: min_mtu 68, max_mtu 9600 CC: netdev@vger.kernel.org CC Dept-GELinuxNICDev@qlogic.com CC: Yuval Mintz <Yuval.Mintz@qlogic.com> CC: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/mellanox: use core min/max MTU checkingJarod Wilson2-22/+10
mlx4: min_mtu 46, max_mtu depends on hardware mlx5: min_mtu 68, max_mtu depends on hardware CC: netdev@vger.kernel.org CC: Tariq Toukan <tariqt@mellanox.com> CC: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/marvell: use core min/max MTU checkingJarod Wilson5-69/+35
mvneta: min_mtu 68, max_mtu 9676 - mtu validation routine mostly did range check, merge back into mvneta_change_mtu for simplicity mvpp2: min_mtu 68, max_mtu 9676 - mtu validation routine mostly did range check, merge back into mvpp2_change_mtu for simplicity pxa168_eth: min_mtu 68, max_mtu 9500 skge: min_mtu 60, max_mtu 9000 sky2: min_mtu 68, max_mtu 1500 or 9000, depending on hw CC: netdev@vger.kernel.org CC: Mirko Lindner <mlindner@marvell.com> CC: Stephen Hemminger <stephen@networkplumber.org> CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/intel: use core min/max MTU checkingJarod Wilson13-101/+62
e100: min_mtu 68, max_mtu 1500 - remove e100_change_mtu entirely, is identical to old eth_change_mtu, and no longer serves a purpose. No need to set min_mtu or max_mtu explicitly, as ether_setup() will already set them to 68 and 1500. e1000: min_mtu 46, max_mtu 16110 e1000e: min_mtu 68, max_mtu varies based on adapter fm10k: min_mtu 68, max_mtu 15342 - remove fm10k_change_mtu entirely, does nothing now i40e: min_mtu 68, max_mtu 9706 i40evf: min_mtu 68, max_mtu 9706 igb: min_mtu 68, max_mtu 9216 - There are two different "max" frame sizes claimed and both checked in the driver, the larger value wasn't relevant though, so I've set max_mtu to the smaller of the two values here to retain identical behavior. igbvf: min_mtu 68, max_mtu 9216 - Same issue as igb duplicated ixgb: min_mtu 68, max_mtu 16114 - Also remove pointless old == new check, as that's done in dev_set_mtu ixgbe: min_mtu 68, max_mtu 9710 ixgbevf: min_mtu 68, max_mtu dependent on hardware/firmware - Some hw can only handle up to max_mtu 1504 on a vf, others 9710 CC: netdev@vger.kernel.org CC: intel-wired-lan@lists.osuosl.org CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/broadcom: use core min/max MTU checkingJarod Wilson10-74/+51
tg3: min_mtu 60, max_mtu 9000/1500 bnxt: min_mtu 60, max_mtu 9000 bnx2x: min_mtu 46, max_mtu 9600 - Fix up ETH_OVREHEAD -> ETH_OVERHEAD while we're in here, remove duplicated defines from bnx2x_link.c. bnx2: min_mtu 46, max_mtu 9000 - Use more standard ETH_* defines while we're at it. bcm63xx_enet: min_mtu 46, max_mtu 2028 - compute_hw_mtu was made largely pointless, and thus merged back into bcm_enet_change_mtu. b44: min_mtu 60, max_mtu 1500 CC: netdev@vger.kernel.org CC: Michael Chan <michael.chan@broadcom.com> CC: Sony Chacko <sony.chacko@qlogic.com> CC: Ariel Elior <ariel.elior@qlogic.com> CC: Dept-HSGLinuxNICDev@qlogic.com CC: Siva Reddy Kallam <siva.kallam@broadcom.com> CC: Prashant Sreedharan <prashant@broadcom.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ethernet/atheros: use core min/max MTU checkingJarod Wilson7-51/+47
atl2: min_mtu 40, max_mtu 1504 - Remove a few redundant defines that already have equivalents in if_ether.h. atl1: min_mtu 42, max_mtu 10218 atl1e: min_mtu 42, max_mtu 8170 atl1c: min_mtu 42, max_mtu 6122/1500 - GbE hardware gets a max_mtu of 6122, slower hardware gets 1500. alx: min_mtu 34, max_mtu 9256 - Not so sure that minimum MTU number is really what was intended, but that's what the math actually makes it out to be, due to max_frame manipulations and comparison in alx_change_mtu, rather than just comparing new_mtu. (I think 68 was the intended min_mtu value). CC: netdev@vger.kernel.org CC: Jay Cliburn <jcliburn@gmail.com> CC: Chris Snook <chris.snook@gmail.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18Merge branch 'dp83867-impedance-control'David S. Miller3-4/+46
Mugunthan V N says: ==================== add support for impedance control for TI dp83867 phy and fix 2nd ethernet on dra72 rev C evm Add support for configurable impedance control for TI dp83867 phy via devicetree. More documentation in [1]. CPSW second ethernet is not working, fix it by enabling impedance configuration on the phy. Verified the patch on DRA72 Rev C evm, logs at [2]. Also pushed a branch [3] for others to test. Changes from v3: * Fixup change log text and no code changes. Changes from v2: * Fixed a typo in dts and driver. Changes from initial version: * As per Sekhar's comment, instead of passing impedance values, change to max and min impedance from DT * Adopted phy_read_mmd_indirect() to cunnrent implementation. * Corrected the phy delay timings to the optimal value. [1] - http://www.ti.com/lit/ds/symlink/dp83867ir.pdf [2] - http://pastebin.ubuntu.com/23343139/ [3] - git://git.ti.com/~mugunthanvnm/ti-linux-kernel/linux.git dp83867-v4 ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ARM: dts: dra72-evm-revc: fix correct phy delayMugunthan V N1-4/+4
The current delay settings of the phy are not the optimal value, fix it with correct values. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18ARM: dts: dra72-evm-revc: add phy impedance settingsMugunthan V N1-0/+2
The default impedance settings of the phy is not the optimal value, due to this the second ethernet is not working. Fix it with correct values which makes the second ethernet port to work. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18net: phy: dp83867: add support for MAC impedance configurationMugunthan V N1-0/+28
Add support for programmable MAC impedance configuration Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18net: phy: dp83867: Add documentation for optional impedance controlMugunthan V N1-0/+12
Add documention of ti,min-output-impedance and ti,max-output-impedance which can be used to correct MAC impedance mismatch using phy extended registers. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-18vlan: Remove unnecessary comparison of unsigned against 0Tobias Klauser1-2/+1
args.u.name_type is of type unsigned int and is always >= 0. This fixes the following GCC warning: net/8021q/vlan.c: In function ‘vlan_ioctl_handler’: net/8021q/vlan.c:574:14: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17fsl/fman: fix error return code in mac_probe()Wei Yongjun1-2/+6
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 3933961682a3 ("fsl/fman: Add FMan MAC driver") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17net: report right mtu value in error messageJakub Kicinski1-1/+1
Check is for max_mtu but message reports min_mtu. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17net: ethernet: nb8800: fix error return code in nb8800_open()Wei Yongjun1-1/+3
Fix to return error code -ENODEV from the of_phy_connect() error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Mans Rullgard <mans@mansr.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17fjes: fix format string for trace outputArnd Bergmann1-2/+2
phys_addr_t may be wider than a pointer and has to be printed using the special %pap format string, as pointed out by this new warning. arch/x86/include/../../../drivers/net/fjes/fjes_trace.h: In function ‘trace_raw_output_fjes_hw_start_debug_req’: arch/x86/include/../../../drivers/net/fjes/fjes_trace.h:212:563: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] Note that this has to pass the address by reference instead of casting it to a different type. Fixes: b6ba737d0b29 ("fjes: ethtool -w and -W support for fjes driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17Merge branch 'mv88e6xxx-interrupt-support'David S. Miller9-38/+522
Andrew Lunn says: ==================== Interrupt support for mv88e6xxx This patchset add interrupt controller support to the MV88E6xxx. This allows access to the interrupts the internal PHY generate. These interrupts can then be associated to a PHY device in the device tree and used by the PHY lib, rather than polling. Since interrupt handling needs to make MDIO bus accesses, threaded interrupts are used. The phylib needs to request the PHY interrupt using the threaded IRQ API. This in term allows some simplification to the code, in that the phylib interrupt handler can directly call phy_change(), rather than use a work queue. The work queue is however retained for the phy_mac_interrupt() call, which can be called in hard interrupt context. Since RFC v1: Keep phy_mac_interrupt() callable in hard IRQ context. The fix to trigger the phy state machine transitions on interrupts has already been submitted, so is dropped from here. Added back shared interrupts support. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17arm: vf610: zii devel b: Add support for switch interruptsAndrew Lunn1-0/+51
The Switches use GPIO lines to indicate interrupts from two of the switches. With these interrupts in place, we can make use of the interrupt controllers within the switch to indicate when the internal PHYs generate an interrupt. Use standard PHY properties to do this. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17net: phy: Use phy name when requesting the interruptAndrew Lunn1-2/+1
Using the fixed name "phy_interrupt" is not very informative in /proc/interrupts when there are a lot of phys, e.g. a device with an Ethernet switch. So when requesting the interrupt, use the name of the phy. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17net: phy: Threaded interrupts allow some simplificationAndrew Lunn3-22/+30
The PHY interrupts are now handled in a threaded interrupt handler, which can sleep. The work queue is no longer needed, phy_change() can be called directly. phy_mac_interrupt() still needs to be safe to call in interrupt context, so keep the work queue, and use a helper to call phy_change(). Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17net: phy: Use threaded IRQ, to allow IRQ from sleeping devicesAndrew Lunn1-4/+4
The interrupt lines from PHYs maybe connected to I2C bus expanders, or from switches on MDIO busses. Such interrupts are sourced from devices which sleep, so use threaded interrupts. Threaded interrupts require that the interrupt requester also uses the threaded API. Change the phylib to use the threaded API, which is backwards compatible with none-threaded IRQs. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17net: dsa: mv88e6xxx: Implement interrupt support.Andrew Lunn5-12/+438
The switch can have up to two interrupt controllers. One of these contains the interrupts from the integrated PHYs, so is useful to export. The Marvell PHY driver can then be used in interrupt mode, rather than polling, speeding up PHY handling and reducing load on the MDIO bus. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17rds: Remove duplicate prefix from rds_conn_path_error useJoe Perches1-2/+1
rds_conn_path_error already prefixes "RDS:" to the output. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17rds: Remove unused rds_conn_errorJoe Perches2-19/+0
This macro's last use was removed in commit d769ef81d5b59 ("RDS: Update rds_conn_shutdown to work with rds_conn_path") so make the macro and the __rds_conn_error function definition and declaration disappear. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17net: hip04: Remove superfluous ether_setup after alloc_etherdevTobias Klauser1-1/+0
There is no need to call ether_setup after alloc_ethdev since it was already called there. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-17ila: Don't use dest cache when gateway is setTom Herbert1-0/+8
If the gateway is set on an ILA route we don't need to bother with using the destination cache in the ILA route. Translation does not change the routing in this case so we can stick with orig_output in the lwstate output function. Tested: Ran netperf with and without gateway for LWT route. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-15ipvlan: constify l3mdev_ops structureJulia Lawall1-1/+1
This l3mdev_ops structure is only stored in the l3mdev_ops field of a net_device structure. This field is declared const, so the l3mdev_ops structure can be declared as const also. Additionally drop the __read_mostly annotation. The semantic patch that adds const is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct l3mdev_ops i@p = { ... }; @ok@ identifier r.i; struct net_device *e; position p; @@ e->l3mdev_ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct l3mdev_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct l3mdev_ops i = { ... }; // </smpl> The effect on the layout of the .o file is shown by the following output of the size command, first before then after the transformation: text data bss dec hex filename 7364 466 52 7882 1eca drivers/net/ipvlan/ipvlan_main.o 7412 434 52 7898 1eda drivers/net/ipvlan/ipvlan_main.o Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-15Merge branch 'ila-cached-route'David S. Miller3-10/+90
Tom Herbert says: ==================== ila: Cache a route in ILA lwt structure Add a dst_cache to ila_lwt structure. This holds a cached route for the translated address. In ila_output we now perform a route lookup after translation and if possible (destination in original route is full 128 bits) we set the dst_cache. Subsequent calls to ila_output can then use the cache to avoid the route lookup. This eliminates the need to set the gateway on ILA routes as previously was being done. Now we can do somthing like: ./ip route add 3333::2000:0:0:2/128 encap ila 2222:0:0:2 \ csum-mode neutral-map dev eth0 ## No via needed! Also, add destroy_state to lwt ops. We need this do destroy the dst_cache. - v2 - Fixed comparisons to fc_dst_len to make comparison against number of bits in data structure not bytes. - Move destroy_state under build_state (requested by Jiri) - Other minor cleanup Tested: Running 200 TCP_RR streams: Baseline, no ILA 1730716 tps 102/170/313 50/90/99% latencies 88.11 CPU utilization Using ILA in both directions 1680428 tps 105/176/325 50/90/99% latencies 88.16 CPU utilization ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-15ila: Cache a route to translated addressTom Herbert1-6/+74
Add a dst_cache to ila_lwt structure. This holds a cached route for the translated address. In ila_output we now perform a route lookup after translation and if possible (destination in original route is full 128 bits) we set the dst_cache. Subsequent calls to ila_output can then use the cache to avoid the route lookup. This eliminates the need to set the gateway on ILA routes as previously was being done. Now we can do something like: ./ip route add 3333::2000:0:0:2/128 encap ila 2222:0:0:2 \ csum-mode neutral-map dev eth0 ## No via needed! Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-15lwtunnel: Add destroy state operationTom Herbert2-4/+16
Users of lwt tunnels may set up some secondary state in build_state function. Add a corresponding destroy_state function to allow users to clean up state. This destroy state function is called from lwstate_free. Also, we now free lwstate using kfree_rcu so user can assume structure is not freed before rcu. Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14Merge branch 'fjes-next'David S. Miller9-11/+983
Taku Izumi says: ==================== FUJITSU Extended Socket driver version 1.2 This patchset updates FUJITSU Extended Socket network driver into version 1.2. This includes the following enhancements: - ethtool -d support - ethtool -S enhancement - ethtool -w/-W support - Add some debugging feature (tracepoints etc) v1 -> v2: - Use u64 instead of phys_addr_t as TP_STRUCT__entry - Use ethtool facility to achieve debug mode instead of using debugfs ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14fjes: Update fjes driver version : 1.2Taku Izumi1-1/+1
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14fjes: Add debugfs entry for EP status information in fjes driverTaku Izumi4-2/+145
This patch adds debugfs entry to show EP status information. You can get each EP's status information like the following: # cat /sys/kernel/debug/fjes/fjes.0/status EPID STATUS SAME_ZONE CONNECTED ep0 shared Y Y ep1 - - - ep2 unshared N N ep3 unshared N N ep4 unshared N N ep5 unshared N N ep6 unshared N N ep7 unshared N N Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14fjes: ethtool -w and -W support for fjes driverTaku Izumi4-0/+284
This patch adds implementation of supporting ethtool -w and -W for fjes driver. You can enable and disable firmware debug mode by using ethtool -W, and also retrieve firmware activity information by using ethtool -w. This is useful for debugging. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14fjes: Add tracepoints in fjes driverTaku Izumi5-4/+369
This patch adds tracepoints in fjes driver. This is useful for debugging purpose. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14fjes: Enhance ethtool -S for fjes driverTaku Izumi4-5/+137
This patch enhances ethtool -S for fjes driver so that EP related statistics can be retrieved. The following statistics can be displayed via ethtool -S: ep%d_com_regist_buf_exec ep%d_com_unregist_buf_exec ep%d_send_intr_rx ep%d_send_intr_unshare ep%d_send_intr_zoneupdate ep%d_recv_intr_rx ep%d_recv_intr_unshare ep%d_recv_intr_stop ep%d_recv_intr_zoneupdate ep%d_tx_buffer_full ep%d_tx_dropped_not_shared ep%d_tx_dropped_ver_mismatch ep%d_tx_dropped_buf_size_mismatch ep%d_tx_dropped_vlanid_mismatch Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14fjes: ethtool -d support for fjes driverTaku Izumi1-0/+48
This patch adds implementation of supporting ethtool -d for fjes driver. By using ethtool -d, you can get registers dump of Exetnded socket device. # ethtool -d es0 Offset Values ------ ------ 0x0000: 01 00 00 00 08 00 00 00 00 00 00 00 00 00 00 00 0x0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0020: 02 00 00 80 02 00 00 80 64 a6 58 08 07 00 00 00 0x0030: 00 00 00 00 28 80 00 00 00 00 f9 e3 06 00 00 00 0x0040: 00 00 00 00 18 00 00 00 80 a4 58 08 07 00 00 00 0x0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0080: 00 00 00 00 00 00 e0 7f 00 00 01 00 00 00 01 00 0x0090: 00 00 00 00 Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14Merge branch 'qed-next'David S. Miller10-64/+244
Manish Chopra says: ==================== qed*: driver updates There are several new additions in this series; Most are connected to either Tx offloading or Rx classifications [either fastpath changes or supporting configuration]. In addition, there's a single IOV enhancement. Please consider applying this series to `net-next'. V2->V3: Fixes below kbuild warning call to '__compiletime_assert_60' declared with attribute error: Need native word sized stores/loads for atomicity. V1->V2: Added a fix for the race in ramrod handling pointed by Eric Dumazet [patch 7]. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14qed: Fix possible race when reading firmware return code.Manish Chopra2-8/+8
While handling SPQ ramrod completion, there is a possible race where driver might not read updated fw return code based on ramrod completion done. This patch ensures that fw return code is written first and then completion done flag is updated using appropriate memory barriers. Signed-off-by: Manish Chopra <manish.chopra@caviumnetworks.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14qed: Handle malicious VFs eventsYuval Mintz3-20/+96
Malicious VFs might be caught in several different methods: - Misusing their bar permission and being blocked by hardware. - Misusing their fastpath logic and being blocked by firmware. - Misusing their interaction with their PF via hw-channel, and being blocked by PF driver. On the first two items, firmware would indicate to driver that the VF is to be considered malicious, but would sometime still allow the VF to communicate with the PF [depending on the exact nature of the malicious activity done by the VF]. The current existing logic on the PF side lacks handling of such events, and might allow the PF to perform some incorrect configuration on behalf of a VF that was previously indicated as malicious. The new scheme is simple - Once the PF determines a VF is malicious it would: a. Ignore any further requests on behalf of the VF-driver. b. Prevent any configurations initiated by the hyperuser for the malicious VF, as firmware isn't willing to serve such. The malicious indication would be cleared upon the VF flr, after which it would become usable once again. Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-14qed: Allow chance for fast ramrod completionsYuval Mintz1-26/+59
Whenever a ramrod is being sent for some device configuration, the driver is going to sleep at least 5ms between each iteration of polling on the completion of the ramrod. However, in almost every configuration scenario the firmware would be able to comply and complete the ramrod in a manner of several usecs. This is especially important in cases where there might be a lot of sequential configurations applying to the hardware [e.g., RoCE], in which case the existing scheme might cause some visible user delays. This patch changes the completion scheme - instead of immediately starting to sleep for a 'long' period, allow the device to quickly poll on the first iteration after a couple of usecs. Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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