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path: root/drivers/net/ethernet/ibm/ehea/ehea_main.c
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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2018-10-031-14/+0
|\ | | | | | | | | | | | | Minor conflict in net/core/rtnetlink.c, David Ahern's bug fix in 'net' overlapped the renaming of a netlink attribute in net-next. Signed-off-by: David S. Miller <davem@davemloft.net>
| * ehea: remove ndo_poll_controllerEric Dumazet2018-09-281-14/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As diagnosed by Song Liu, ndo_poll_controller() can be very dangerous on loaded hosts, since the cpu calling ndo_poll_controller() might steal all NAPI contexts (for all RX/TX queues of the NIC). This capture can last for unlimited amount of time, since one cpu is generally not able to drain all the queues under load. ehea uses NAPI for TX completions, so we better let core networking stack call the napi->poll() to avoid the capture. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Douglas Miller <dougmill@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: ibm: remove a redundant local variable 'k'zhong jiang2018-09-191-2/+1
| | | | | | | | | | | | | | | | The local variable 'k' is never used after being assigned. hence it should be redundant adn can be removed. Signed-off-by: zhong jiang <zhongjiang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: ibm: fix return type of ndo_start_xmit functionYueHaibing2018-09-181-1/+1
|/ | | | | | | | | | | | The method ndo_start_xmit() is defined as returning an 'netdev_tx_t', which is a typedef for an enum type, so make sure the implementation in this driver has returns 'netdev_tx_t' value, and change the function return type to netdev_tx_t. Found by coccinelle. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethernet: Use octal not symbolic permissionsJoe Perches2018-03-261-4/+3
| | | | | | | | | | | | | | Prefer the direct use of octal for permissions. Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace and some typing. Miscellanea: o Whitespace neatening around these conversions. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Convert to using %pOF instead of full_nameRob Herring2017-07-241-3/+2
| | | | | | | | | Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ehea: convert to use DRIVER_ATTR_ROGreg Kroah-Hartman2017-06-121-4/+2
| | | | | | | | | | We are trying to get rid of DRIVER_ATTR(), and the ehea driver's attribute can be trivially changed to use DRIVER_ATTR_RO(). Cc: Douglas Miller <dougmill@linux.vnet.ibm.com> Cc: <netdev@vger.kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* net: make ndo_get_stats64 a void functionstephen hemminger2017-01-081-3/+2
| | | | | | | | | | | | The network device operation for reading statistics is only called in one place, and it ignores the return value. Having a structure return value is potentially confusing because some future driver could incorrectly assume that the return value was used. Fix all drivers with ndo_get_stats64 to have a void function. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Remove unnecessary memset of stats in netdev private dataTobias Klauser2016-11-301-1/+0
| | | | | | | | | | | | The memory for netdev private data is allocated using kzalloc/vzalloc in alloc_netdev_mqs, thus there is no need to zero the stats portion of it again in the driver's probe function. In any case, the size for the memset is wrong as the stats member is of type rtnl_link_stats64, not net_device_stats. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2016-11-151-0/+2
|\ | | | | | | | | | | | | Several cases of bug fixes in 'net' overlapping other changes in 'net-next-. Signed-off-by: David S. Miller <davem@davemloft.net>
| * ehea: fix operation state reportGuilherme G. Piccoli2016-11-031-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the ehea driver is missing a call to netif_carrier_off() before the interface bring-up; this is necessary in order to initialize the __LINK_STATE_NOCARRIER bit in the net_device state field. Otherwise, we observe state UNKNOWN on "ip address" command output. This patch adds a call to netif_carrier_off() on ehea's net device open callback. Reported-by: Xiong Zhou <zhou@redhat.com> Reference-ID: IBM bz #137702, Red Hat bz #1089134 Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> Signed-off-by: Douglas Miller <dougmill@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ethernet/ibm: use core min/max MTU checkingJarod Wilson2016-10-181-9/+4
|/ | | | | | | | | | | | 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>
* net: ehea: avoid null pointer dereferencexypron.glpk@gmx.de2016-05-191-5/+4
| | | | | | | | | ehea_get_port may return NULL. Do not dereference NULL value. Fixes: 8c4877a4128e ("ehea: Use the standard logging functions") Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@debian.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Fix memory hook reference counting crashesMichael Ellerman2015-04-251-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The recent commit to only register the EHEA memory hotplug hooks on adapter probe has a few problems. Firstly the reference counting is wrong for multiple adapters, in that the hooks are registered multiple times. Secondly the check in the tear down path is backward. Finally the error path doesn't decrement the count. The multiple registration of the hooks is the biggest problem, as it leads to oopses when the system is rebooted, and/or errors during memory hotplug, eg: $ ./mem-on-off-test.sh -r 2 ... ehea: memory is going offline ehea: LPAR memory changed - re-initializing driver ehea: re-initializing driver complete ehea: memory is going offline ehea: LPAR memory changed - re-initializing driver ehea: opcode=26c ret=fffffffffffffffc arg1=8000000003000003 arg2=0 arg3=700000060000d600 arg4=3fded0000 arg5=200 arg6=0 arg7=0 ehea: register_rpage_mr failed ehea: registering mr failed ehea: register MR failed - driver inoperable! ehea: memory is going offline Fixes: aa183323312d ("ehea: Register memory hotplug, reboot and crash hooks on adapter probe") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: constify of_device_id arrayFabian Frederick2015-03-171-2/+2
| | | | | | | | of_device_id is always used as const. (See driver.of_match_table and open firmware functions) Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Register memory hotplug, reboot and crash hooks on adapter probeAnton Blanchard2015-02-191-105/+141
| | | | | | | | | | | | ehea creates memory hotplug, reboot and crash hooks even if there are no adapters in the box. Just create them when we probe our first adapter. [cascardo: use ehea_register_memory_hooks return code] Signed-off-by: Anton Blanchard <anton@samba.org> Tested-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: rename vlan_tx_* helpers since "tx" is misleading thereJiri Pirko2015-01-131-2/+2
| | | | | | | The same macros are used for rx as well. So rename it. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Fix TSO and hw checksums with non-accelerated vlan packets.Vlad Yasevich2014-08-251-1/+1
| | | | | | | | | | | | | | | | | The driver claims that it can do TSO and IP checksums on vlan devices and also allows user to control vlan acceleration offloading. This makes it possible to push traffic to this driver that has TSO or partial checksums set, but also have a non-accelearted vlan header. In this case, the driver will fail to correctly identify such traffic and will not correctly perform segmentation and checksum calculation. Fix this by using vlan_get_protocol() helper instead of assuming skb->protocol always has this information. CC: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Introduce the use of the managed version of kzallocHimangi Saraogi2014-05-301-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves data allocated using kzalloc to managed data allocated using devm_kzalloc and cleans now unnecessary kfrees in probe and remove functions. Also, linux/device.h is added to make sure the devm_*() routine declarations are unambiguously available. The following Coccinelle semantic patch was used for making the change: @platform@ identifier p, probefn, removefn; @@ struct platform_driver p = { .probe = probefn, .remove = removefn, }; @prb@ identifier platform.probefn, pdev; expression e, e1, e2; @@ probefn(struct platform_device *pdev, ...) { <+... - e = kzalloc(e1, e2) + e = devm_kzalloc(&pdev->dev, e1, e2) ... ?-kfree(e); ...+> } @rem depends on prb@ identifier platform.removefn; expression e; @@ removefn(...) { <... - kfree(e); ...> } Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Compile-Tested-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Call dev_consume_skb_any instead of dev_kfree_skb.Eric W. Biederman2014-03-241-3/+3
| | | | | | | | | | Replace dev_kfree_skb with dev_consume_skb_any in functions that can be called in hard irq and other contexts. None of the locations was a packet drop so dev_kfree_skb_any is inappropriate. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
* net: do not pretend FRAGLIST supportEric Dumazet2013-12-021-1/+1
| | | | | | | | | | | | | | | | | Few network drivers really supports frag_list : virtual drivers. Some drivers wrongly advertise NETIF_F_FRAGLIST feature. If skb with a frag_list is given to them, packet on the wire will be corrupt. Remove this flag, as core networking stack will make sure to provide packets that can be sent without corruption. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Cc: Anirudha Sarangi <anirudh@xilinx.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net/ethernet/ibm/ehea/ehea_main.c: add alias entry for portN propertiesOlaf Hering2013-09-161-1/+13
| | | | | | | | | | | | | | | | | | | | Use separate table for alias entries in the ehea module, otherwise the probe() function will operate on the separate ports instead of the lhea-"root" entry of the device-tree Addresses https://bugzilla.novell.com/show_bug.cgi?id=435215 [ Thadeu notes that: "... this issue might happen with the generation of initrd, when the scripts check for /sys/class/net/eth0/device/modalias, which links to the port device at /sys/devices/ibmebus/23c00400.lhea/port0/" ] Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Olaf Hering <ohering@suse.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: remove deprecated IRQF_DISABLEDMichael Opdenacker2013-09-121-4/+3
| | | | | | | | | | | This patch proposes to remove the IRQF_DISABLED flag from drivers/net/ethernet/ibm/ehea/ehea_main.c It's a NOOP since 2.6.35 and it will be removed one day. Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2013-07-091-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking updates from David Miller: "This is a re-do of the net-next pull request for the current merge window. The only difference from the one I made the other day is that this has Eliezer's interface renames and the timeout handling changes made based upon your feedback, as well as a few bug fixes that have trickeled in. Highlights: 1) Low latency device polling, eliminating the cost of interrupt handling and context switches. Allows direct polling of a network device from socket operations, such as recvmsg() and poll(). Currently ixgbe, mlx4, and bnx2x support this feature. Full high level description, performance numbers, and design in commit 0a4db187a999 ("Merge branch 'll_poll'") From Eliezer Tamir. 2) With the routing cache removed, ip_check_mc_rcu() gets exercised more than ever before in the case where we have lots of multicast addresses. Use a hash table instead of a simple linked list, from Eric Dumazet. 3) Add driver for Atheros CQA98xx 802.11ac wireless devices, from Bartosz Markowski, Janusz Dziedzic, Kalle Valo, Marek Kwaczynski, Marek Puzyniak, Michal Kazior, and Sujith Manoharan. 4) Support reporting the TUN device persist flag to userspace, from Pavel Emelyanov. 5) Allow controlling network device VF link state using netlink, from Rony Efraim. 6) Support GRE tunneling in openvswitch, from Pravin B Shelar. 7) Adjust SOCK_MIN_RCVBUF and SOCK_MIN_SNDBUF for modern times, from Daniel Borkmann and Eric Dumazet. 8) Allow controlling of TCP quickack behavior on a per-route basis, from Cong Wang. 9) Several bug fixes and improvements to vxlan from Stephen Hemminger, Pravin B Shelar, and Mike Rapoport. In particular, support receiving on multiple UDP ports. 10) Major cleanups, particular in the area of debugging and cookie lifetime handline, to the SCTP protocol code. From Daniel Borkmann. 11) Allow packets to cross network namespaces when traversing tunnel devices. From Nicolas Dichtel. 12) Allow monitoring netlink traffic via AF_PACKET sockets, in a manner akin to how we monitor real network traffic via ptype_all. From Daniel Borkmann. 13) Several bug fixes and improvements for the new alx device driver, from Johannes Berg. 14) Fix scalability issues in the netem packet scheduler's time queue, by using an rbtree. From Eric Dumazet. 15) Several bug fixes in TCP loss recovery handling, from Yuchung Cheng. 16) Add support for GSO segmentation of MPLS packets, from Simon Horman. 17) Make network notifiers have a real data type for the opaque pointer that's passed into them. Use this to properly handle network device flag changes in arp_netdev_event(). From Jiri Pirko and Timo Teräs. 18) Convert several drivers over to module_pci_driver(), from Peter Huewe. 19) tcp_fixup_rcvbuf() can loop 500 times over loopback, just use a O(1) calculation instead. From Eric Dumazet. 20) Support setting of explicit tunnel peer addresses in ipv6, just like ipv4. From Nicolas Dichtel. 21) Protect x86 BPF JIT against spraying attacks, from Eric Dumazet. 22) Prevent a single high rate flow from overruning an individual cpu during RX packet processing via selective flow shedding. From Willem de Bruijn. 23) Don't use spinlocks in TCP md5 signing fast paths, from Eric Dumazet. 24) Don't just drop GSO packets which are above the TBF scheduler's burst limit, chop them up so they are in-bounds instead. Also from Eric Dumazet. 25) VLAN offloads are missed when configured on top of a bridge, fix from Vlad Yasevich. 26) Support IPV6 in ping sockets. From Lorenzo Colitti. 27) Receive flow steering targets should be updated at poll() time too, from David Majnemer. 28) Fix several corner case regressions in PMTU/redirect handling due to the routing cache removal, from Timo Teräs. 29) We have to be mindful of ipv4 mapped ipv6 sockets in upd_v6_push_pending_frames(). From Hannes Frederic Sowa. 30) Fix L2TP sequence number handling bugs, from James Chapman." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1214 commits) drivers/net: caif: fix wrong rtnl_is_locked() usage drivers/net: enic: release rtnl_lock on error-path vhost-net: fix use-after-free in vhost_net_flush net: mv643xx_eth: do not use port number as platform device id net: sctp: confirm route during forward progress virtio_net: fix race in RX VQ processing virtio: support unlocked queue poll net/cadence/macb: fix bug/typo in extracting gem_irq_read_clear bit Documentation: Fix references to defunct linux-net@vger.kernel.org net/fs: change busy poll time accounting net: rename low latency sockets functions to busy poll bridge: fix some kernel warning in multicast timer sfc: Fix memory leak when discarding scattered packets sit: fix tunnel update via netlink dt:net:stmmac: Add dt specific phy reset callback support. dt:net:stmmac: Add support to dwmac version 3.610 and 3.710 dt:net:stmmac: Allocate platform data only if its NULL. net:stmmac: fix memleak in the open method ipv6: rt6_check_neigh should successfully verify neigh if no NUD information are available net: ipv6: fix wrong ping_v6_sendmsg return value ...
| * net: ethernet: use platform_{get,set}_drvdata()Jingoo Han2013-05-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Use the wrapper functions for getting and setting the driver data using platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct platform_device. Also, unnecessary dev_set_drvdata() is removed, because the driver core clears the driver data to NULL after device_release or on probe failure. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ibmebus: convert of_platform_driver to platform_driverRob Herring2013-06-121-5/+3
|/ | | | | | | | | | ibmebus is the last remaining user of of_platform_driver and the conversion to a regular platform driver is trivial. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Grant Likely <grant.likely@linaro.org>
* net: Fix vlan bitmask changes in EHEA driver.David S. Miller2013-04-221-6/+6
| | | | | | | | | | | | | This driver uses the crummy "| foo" style, putting the logical operation at the beginning of lines. Then when the VLAN tag flag bits got changed the operator ended up at both the end and the beginning of some lines. Fix the build error by having it uniformly use the operator at the end of the line. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Fix some __vlan_hwaccel_put_tag() callers.David S. Miller2013-04-221-1/+2
| | | | | | | | | | Several call sites were missed when the protocol argument was added to __vlan_hwaccel_put_tag() in commit 86a9bad3ab6b6f858fd4443b48738cabbb6d094c ("net: vlan: add protocol argument to packet tagging functions"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: vlan: prepare for 802.1ad VLAN filtering offloadPatrick McHardy2013-04-191-2/+2
| | | | | | | | | Change the rx_{add,kill}_vid callbacks to take a protocol argument in preparation of 802.1ad support. The protocol argument used so far is always htons(ETH_P_8021Q). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: vlan: rename NETIF_F_HW_VLAN_* feature flags to NETIF_F_HW_VLAN_CTAG_*Patrick McHardy2013-04-191-4/+4
| | | | | | | | | | Rename the hardware VLAN acceleration features to include "CTAG" to indicate that they only support CTAGs. Follow up patches will introduce 802.1ad server provider tagging (STAGs) and require the distinction for hardware not supporting acclerating both. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers:net: Remove unnecessary OOM messages after netdev_alloc_skbJoe Perches2013-03-091-7/+2
| | | | | | | | | | | | | | | | Emitting netdev_alloc_skb and netdev_alloc_skb_ip_align OOM messages is unnecessary as there is already a dump_stack after allocation failures. Other trivial changes around these removals: Convert a few comparisons of pointer to 0 to !pointer. Change flow to remove unnecessary label. Remove now unused variable. Hoist assignment from if. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ehea module param description fixDave Young2013-02-181-4/+4
| | | | | | | | | | In ehea.h the minimal entries is 2^7 - 1: #define EHEA_MIN_ENTRIES_QP 127 Thus change the module param description accordinglly Signed-off-by: Dave Young <dyoung@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ethernet: Remove unnecessary alloc/OOM messages, alloc cleanupsJoe Perches2013-02-041-3/+1
| | | | | | | | | | | | | | | | alloc failures already get standardized OOM messages and a dump_stack. Convert kzalloc's with multiplies to kcalloc. Convert kmalloc's with multiplies to kmalloc_array. Fix a few whitespace defects. Convert a constant 6 to ETH_ALEN. Use parentheses around sizeof. Convert vmalloc/memset to vzalloc. Remove now unused size variables. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net: fix up function prototypes after __dev* removalsGreg Kroah-Hartman2012-12-071-2/+2
| | | | | | | | | | | | The __dev* removal patches for the network drivers ended up messing up the function prototypes for a bunch of drivers. This patch fixes all of them back up to be properly aligned. Bonus is that this almost removes 100 lines of code, always a nice surprise. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: remove __dev* attributesBill Pemberton2012-12-031-5/+5
| | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option. As result the __dev* markings will be going away. Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ehea: Remove remnants of LRO supportBen Hutchings2012-11-191-1/+1
| | | | | | | | Commit 2cb1deb56f5bf413da83491e0cb5a0474393c8ef ('ehea: Remove LRO support') left behind the Kconfig depends/select and feature flag. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: fix losing of NEQ events when one event occurred earlyThadeu Lima de Souza Cascardo2012-05-101-0/+2
| | | | | | | | | | | | | | | | | The NEQ interrupt is only triggered when there was no previous pending interrupt. If we request irq handling after an interrupt has occurred, we will never get an interrupt until we call H_RESET_EVENTS. Events seem to be cleared when we first register the NEQ. So, when we requested irq handling right after registering it, a possible race with an interrupt was much less likely. Now, there is a chance we may lose this race and never get any events. The fix here is to poll and acknowledge any events that might have happened right after registering the irq handler. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: fix promiscuous modeThadeu Lima de Souza Cascardo2012-04-261-5/+1
| | | | | | | | | | | | | | | commit a4910b744486254cfa61995954c118fb2283c4fd has broken promiscuous mode, which is never set. port->promisc just reflects the last setting of PROMISCUOUS mode to avoid doing an extra hypercall when it's already set. However, since it may fail because of hypervisor permissions, we should still respect the multicast settings and not simply exit after setting promiscuous mode. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Cc: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: fix allmulticast supportThadeu Lima de Souza Cascardo2012-04-261-9/+15
| | | | | | | | | | | There was a bug in the mask of regtype parameter for registering a multicast filter. It was ignoring the scope bit, which was wrongly being used for all filters. The SCOPE_ALL value adds a filter that allows all multicast packets and ignores the MAC parameter, just what allmulticast needs. The normals filters, however, should not use SCOPE_ALL. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: only register irq after setting up portsThadeu Lima de Souza Cascardo2012-04-241-12/+18
| | | | | | | | | | | | | | | | | | | | | If we receive an interrupt too early before we set up ports in the probe function, there won't be any port ready to handle it. Only registering the irq after the ports are setup fixes the problem, and works fine without losing any interrupts. This causes crashes in some situations: [c000000f7ff7fd60] d000000008e223f0 .ehea_neq_tasklet+0x78/0x148 [ehea] [c000000f7ff7fe00] c0000000000b6cac .tasklet_hi_action+0xdc/0x210 [c000000f7ff7fea0] c0000000000b7cc8 .__do_softirq+0x178/0x300 [c000000f7ff7ff90] c000000000022694 .call_do_softirq+0x14/0x24 [c000000f68ee7900] c000000000010e04 .do_softirq+0xec/0x110 [c000000f68ee79a0] c0000000000b789c .irq_exit+0xac/0xe0 [c000000f68ee7a20] c0000000000110bc .do_IRQ+0x114/0x2a8 [c000000f68ee7ae0] c00000000000553c hardware_interrupt_entry+0x18/0x1c Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2012-03-091-1/+3
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| * ehea: restore multicast and rx_errors fieldsEric Dumazet2012-03-081-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 239c562c94d (ehea: Add 64bit statistics) added a regression, since we no longer report multicast & rx_errors fields, taken from port->stats structure. These fields are updated in ehea_update_stats() every second. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Anton Blanchard <anton@samba.org> Cc: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Tested-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | drivers/net: Remove alloc_etherdev error messagesJoe Perches2012-01-311-1/+0
| | | | | | | | | | | | | | | | alloc_etherdev has a generic OOM/unable to alloc message. Remove the duplicative messages after alloc_etherdev calls. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | drivers/net: fix up stale paths from driver reorgPaul Gortmaker2012-01-301-1/+1
|/ | | | | | | | | | | The reorganization of the driver layout in drivers/net left behind some stale paths in comments and in Kconfig help text. Bring them up to date. No actual change to any code takes place here. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: make some functions and variables staticThadeu Lima de Souza Cascardo2012-01-171-16/+16
| | | | | | | | | Some functions and variables in ehea are only used in their own file, so they should be static. One particular function had a very generic name, print_error_data. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: make vlan ndo_vlan_rx_[add/kill]_vid return error valueJiri Pirko2011-12-081-5/+16
| | | | | | | | | | | | Let caller know the result of adding/removing vlan id to/from vlan filter. In some drivers I make those functions to just return 0. But in those where there is able to see if hw setup went correctly, return value is set appropriately. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Use round_jiffies_relative to align workqueueAnton Blanchard2011-11-231-2/+4
| | | | | | | | Use round_jiffies_relative to align the ehea workqueue and avoid extra wakeups. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: fix skb_frag_size typoEric Dumazet2011-10-251-1/+1
| | | | | | | | | Commit 9e903e085262 ("net: add skb frag size accessors") introduced a typo in ehea driver. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* net: add skb frag size accessorsEric Dumazet2011-10-191-2/+2
| | | | | | | | | | | To ease skb->truesize sanitization, its better to be able to localize all references to skb frags size. Define accessors : skb_frag_size() to fetch frag size, and skb_frag_size_{set|add|sub}() to manipulate it. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Remove unused tcp_end field in send WQAnton Blanchard2011-10-171-2/+0
| | | | | | | | | The tcp_end field is not actually used by the hardware, so there is no need to set it. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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