- 08 Mar, 2016 17 commits
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Michael Chan authored
Include some of the port error counters (e.g. crc) in ->ndo_get_stats64() for the PF device. Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael Chan authored
Gather periodic port statistics if the device is PF and link is up. This is triggered in bnxt_timer() every one second to request firmware to DMA the counters. Signed-off-by:
Michael Chan <michael.chan@broadocm.com> Signed-off-by:
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Michael Chan authored
Allow all autoneg speeds aupported by firmware to be advertised. If the advertising parameter is 0, then all supported speeds will be advertised. Remove BNXT_ALL_COPPER_ETHTOOL_SPEED which is no longer used as all supported speeds can be advertised. Signed-off-by:
Michael Chan <mchan@broadcom.com> Signed-off-by:
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Michael Chan authored
The supported bits and advertising bits in ethtool have the same definitions. The same is true for the firmware bits. So use the common function to handle the conversion for both supported and advertising bits. v2: Don't use parentheses on function return. Signed-off-by:
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Michael Chan authored
And report actual pause settings to ETHTOOL_GPAUSEPARAM to let ethtool resolve the actual pause settings. Signed-off-by:
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Michael Chan authored
Include the conversion of pause bits and add one extra call layer so that the same refactored function can be reused to get the link partner advertisement bits. Signed-off-by:
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Kyeong Yoo authored
This fix is for dsmark similar to commit 3557619f ("net_sched: prio: use qdisc_dequeue_peeked") and makes use of qdisc_dequeue_peeked() instead of direct dequeue() call. First time, wrr peeks dsmark, which will then peek into sfq. sfq dequeues an skb and it's stored in sch->gso_skb. Next time, wrr tries to dequeue from dsmark, which will call sfq dequeue directly. This results skipping the previously peeked skb. So changed dsmark dequeue to call qdisc_dequeue_peeked() instead to use peeked skb if exists. Signed-off-by:
Kyeong Yoo <kyeong.yoo@alliedtelesis.co.nz> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-nextDavid S. Miller authored
Pablo Neira Ayuso says: ==================== Netfilter/IPVS updates for net-next The following patchset contains Netfilter updates for your net-next tree, they are: 1) Remove useless debug message when deleting IPVS service, from Yannick Brosseau. 2) Get rid of compilation warning when CONFIG_PROC_FS is unset in several spots of the IPVS code, from Arnd Bergmann. 3) Add prandom_u32 support to nft_meta, from Florian Westphal. 4) Remove unused variable in xt_osf, from Sudip Mukherjee. 5) Don't calculate IP checksum twice from netfilter ipv4 defrag hook since fixing af_packet defragmentation issues, from Joe Stringer. 6) On-demand hook registration for iptables from netns. Instead of registering the hooks for every available netns whenever we need one of the support tables, we register this on the specific netns that needs it, patchset from Florian Westphal. 7) Add missing port range selection to nf_tables masquerading support. BTW, just for the record, there is a typo in the description of 5f6c253e ("netfilter: bridge: register hooks only when bridge interface is added") that refers to the cluster match as deprecated, but it is actually the CLUSTERIP target (which registers hooks inconditionally) the one that is scheduled for removal. ==================== Signed-off-by:
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David S. Miller authored
Daniel Borkmann says: ==================== BPF updates Couple of misc updates to BPF, besides others this series adds bpf_csum_diff() to be used with L3 csums, allows for managing tunnel options for collect meta data mode, and enabling ipv6 traffic class for collect meta data in vxlan specifically (geneve already supports it). For more details, please see individual patches. The series requires net to be merged into net-next first to avoid any further pending merge conflicts. ==================== Signed-off-by: -
Daniel Borkmann authored
We can already do that for IPv4, but IPv6 support was missing. Add it for vxlan, so it can be used with collect metadata frontends. Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Signed-off-by:
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Daniel Borkmann authored
The assumptions from commit 0c1d70af ("net: use dst_cache for vxlan device"), 468dfffc ("geneve: add dst caching support") and 3c1cb4d2 ("net/ipv4: add dst cache support for gre lwtunnels") on dst_cache usage when ip_tunnel_info is used is unfortunately not always valid as assumed. While it seems correct for ip_tunnel_info front-ends such as OVS, eBPF however can fill in ip_tunnel_info for consumers like vxlan, geneve or gre with different remote dsts, tos, etc, therefore they cannot be assumed as packet independent. Right now vxlan, geneve, gre would cache the dst for eBPF and every packet would reuse the same entry that was first created on the initial route lookup. eBPF doesn't store/cache the ip_tunnel_info, so each skb may have a different one. Fix it by adding a flag that checks the ip_tunnel_info. Also the !tos test in vxlan needs to be handeled differently in this context as it is currently inferred from ip_tunnel_info as well if present. ip_tunnel_dst_cache_usable() helper is added for the three tunnel cases, which checks if we can use dst cache. Fixes: 0c1d70af ("net: use dst_cache for vxlan device") Fixes: 468dfffc ("geneve: add dst caching support") Fixes: 3c1cb4d2 ("net/ipv4: add dst cache support for gre lwtunnels") Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Acked-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
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Daniel Borkmann authored
After eBPF being able to programmatically access/manage tunnel key meta data via commit d3aa45ce ("bpf: add helpers to access tunnel metadata") and more recently also for IPv6 through c6c33454 ("bpf: support ipv6 for bpf_skb_{set,get}_tunnel_key"), this work adds two complementary helpers to generically access their auxiliary tunnel options. Geneve and vxlan support this facility. For geneve, TLVs can be pushed, and for the vxlan case its GBP extension. I.e. setting tunnel key for geneve case only makes sense, if we can also read/write TLVs into it. In the GBP case, it provides the flexibility to easily map the group policy ID in combination with other helpers or maps. I chose to model this as two separate helpers, bpf_skb_{set,get}_tunnel_opt(), for a couple of reasons. bpf_skb_{set,get}_tunnel_key() is already rather complex by itself, and there may be cases for tunnel key backends where tunnel options are not always needed. If we would have integrated this into bpf_skb_{set,get}_tunnel_key() nevertheless, we are very limited with remaining helper arguments, so keeping compatibility on structs in case of passing in a flat buffer gets more cumbersome. Separating both also allows for more flexibility and future extensibility, f.e. options could be fed directly from a map, etc. Moreover, change geneve's xmit path to test only for info->options_len instead of TUNNEL_GENEVE_OPT flag. This makes it more consistent with vxlan's xmit path and allows for avoiding to specify a protocol flag in the API on xmit, so it can be protocol agnostic. Having info->options_len is enough information that is needed. Tested with vxlan and geneve. Signed-off-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
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Daniel Borkmann authored
Added by 9a628224 ("ip_tunnel: Add dont fragment flag."), allow to feed df flag into tunneling facilities (currently supported on TX by vxlan, geneve and gre) as a hint from eBPF's bpf_skb_set_tunnel_key() helper. Signed-off-by:
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Daniel Borkmann authored
They are only used here, so there's no reason they should not be static. Only the vlan push/pop protos are used in the test_bpf suite. Signed-off-by:
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Daniel Borkmann authored
When overwriting parts of the packet with bpf_skb_store_bytes() that were fed previously into skb->hash calculation, we should clear the current hash with skb_clear_hash(), so that a next skb_get_hash() call can determine the correct hash related to this skb. Signed-off-by:
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Daniel Borkmann authored
Commit 7d672345 ("bpf: add generic bpf_csum_diff helper") added a generic checksum diff helper that can feed bpf_l4_csum_replace() with a target __wsum diff that is to be applied to the L4 checksum. This facility is very flexible, can be cascaded, allows for adding, removing, or diffing data, or for calculating the pseudo header checksum from scratch, but it can also be reused for working with the IPv4 header checksum. Thus, analogous to bpf_l4_csum_replace(), add a case for header field value of 0 to change the checksum at a given offset through a new helper csum_replace_by_diff(). Also, in addition to that, this provides an easy to use interface for feeding precalculated diffs f.e. coming from a map. It nicely complements bpf_l3_csum_replace() that currently allows only for csum updates of 2 and 4 byte diffs. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller authored
Several cases of overlapping changes, as well as one instance (vxlan) of a bug fix in 'net' overlapping with code movement in 'net-next'. Signed-off-by:
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- 07 Mar, 2016 23 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Fix ordering of WEXT netlink messages so we don't see a newlink after a dellink, from Johannes Berg. 2) Out of bounds access in minstrel_ht_set_best_prob_rage, from Konstantin Khlebnikov. 3) Paging buffer memory leak in iwlwifi, from Matti Gottlieb. 4) Wrong units used to set initial TCP rto from cached metrics, also from Konstantin Khlebnikov. 5) Fix stale IP options data in the SKB control block from leaking through layers of encapsulation, from Bernie Harris. 6) Zero padding len miscalculated in bnxt_en, from Michael Chan. 7) Only CHECKSUM_PARTIAL packets should be passed down through GSO, fix from Hannes Frederic Sowa. 8) Fix suspend/resume with JME networking devices, from Diego Violat and Guo-Fu Tseng. 9) Checksums not validated properly in bridge multicast support due to the placement of the SKB header pointers at the time of the check, fix from Álvaro Fernández Rojas. 10) Fix hang/tiemout with r8169 if a stats fetch is done while the device is runtime suspended. From Chun-Hao Lin. 11) The forwarding database netlink dump facilities don't track the state of the dump properly, resulting in skipped/missed entries. From Minoura Makoto. 12) Fix regression from a recent 3c59x bug fix, from Neil Horman. 13) Fix list corruption in bna driver, from Ivan Vecera. 14) Big endian machines crash on vlan add in bnx2x, fix from Michal Schmidt. 15) Ethtool RSS configuration not propagated properly in mlx5 driver, from Tariq Toukan. 16) Fix regression in PHY probing in stmmac driver, from Gabriel Fernandez. 17) Fix SKB tailroom calculation in igmp/mld code, from Benjamin Poirier. 18) A past change to skip empty routing headers in ipv6 extention header parsing accidently caused fragment headers to not be matched any longer. Fix from Florian Westphal. 19) eTSEC-106 erratum needs to be applied to more gianfar chips, from Atsushi Nemoto. 20) Fix netdev reference after free via workqueues in usb networking drivers, from Oliver Neukum and Bjørn Mork. 21) mdio->irq is now an array rather than a pointer to dynamic memory, but several drivers were still trying to free it :-/ Fixes from Colin Ian King. 22) act_ipt iptables action forgets to set the family field, thus LOG netfilter targets don't work with it. Fix from Phil Sutter. 23) SKB leak in ibmveth when skb_linearize() fails, from Thomas Falcon. 24) pskb_may_pull() cannot be called with interrupts disabled, fix code that tries to do this in vmxnet3 driver, from Neil Horman. 25) be2net driver leaks iomap'd memory on removal, fix from Douglas Miller. 26) Forgotton RTNL mutex unlock in ppp_create_interface() error paths, from Guillaume Nault. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (97 commits) ppp: release rtnl mutex when interface creation fails cdc_ncm: do not call usbnet_link_change from cdc_ncm_bind tcp: fix tcpi_segs_in after connection establishment net: hns: fix the bug about loopback jme: Fix device PM wakeup API usage jme: Do not enable NIC WoL functions on S0 udp6: fix UDP/IPv6 encap resubmit path be2net: Don't leak iomapped memory on removal. vmxnet3: avoid calling pskb_may_pull with interrupts disabled net: ethernet: Add missing MFD_SYSCON dependency on HAS_IOMEM ibmveth: check return of skb_linearize in ibmveth_start_xmit cdc_ncm: toggle altsetting to force reset before setup usbnet: cleanup after bind() in probe() mlxsw: pci: Correctly determine if descriptor queue is full mlxsw: spectrum: Always decrement bridge's ref count tipc: fix nullptr crash during subscription cancel net: eth: altera: do not free array priv->mdio->irq net/ethoc: do not free array priv->mdio->irq net: sched: fix act_ipt for LOG target asix: do not free array priv->mdio->irq ... -
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfsLinus Torvalds authored
Pull overlayfs fixes from Miklos Szeredi: "Overlayfs bug fixes. All marked as -stable material" * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: copy new uid/gid into overlayfs runtime inode ovl: ignore lower entries when checking purity of non-directory entries ovl: fix getcwd() failure after unsuccessful rmdir ovl: fix working on distributed fs as lower layer
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Linus Torvalds authored
This reverts commit dbb17a21. It turns out that commit can cause problems for systems with multiple GPUs, and causes X to hang on at least a HP Pavilion dv7 with hybrid graphics. This got noticed originally in 4.4.4, where this patch had already gotten back-ported, but 4.5-rc7 was verified to have the same problem. Alexander Deucher says: "It looks like you have a muxed system so I suspect what's happening is that one of the display is being reported as connected for both the IGP and the dGPU and then the desktop environment gets confused or there some sort problem in the detect functions since the mux is not switched to the dGPU. I don't see an easy fix unless Dave has any ideas. I'd say just revert for now" Reported-by:
Jörg-Volker Peetz <jvpeetz@web.de> Acked-by:
Alexander Deucher <Alexander.Deucher@amd.com> Cc: Dave Airlie <airlied@gmail.com> Cc: stable@kernel.org # wherever dbb17a21 got back-ported Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Guillaume Nault authored
Add missing rtnl_unlock() in the error path of ppp_create_interface(). Fixes: 58a89eca ("ppp: fix lockdep splat in ppp_dev_uninit()") Signed-off-by:
Guillaume Nault <g.nault@alphalink.fr> Signed-off-by:
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Bjørn Mork authored
usbnet_link_change will call schedule_work and should be avoided if bind is failing. Otherwise we will end up with scheduled work referring to a netdev which has gone away. Instead of making the call conditional, we can just defer it to usbnet_probe, using the driver_info flag made for this purpose. Fixes: 8a34b0ae ("usbnet: cdc_ncm: apply usbnet_link_change") Reported-by:
Andrey Konovalov <andreyknvl@gmail.com> Suggested-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Eric Dumazet authored
If final packet (ACK) of 3WHS is lost, it appears we do not properly account the following incoming segment into tcpi_segs_in While we are at it, starts segs_in with one, to count the SYN packet. We do not yet count number of SYN we received for a request sock, we might add this someday. packetdrill script showing proper behavior after fix : // Tests tcpi_segs_in when 3rd packet (ACK) of 3WHS is lost 0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0 bind(3, ..., ...) = 0 +0 listen(3, 1) = 0 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop> +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK> +.020 < P. 1:1001(1000) ack 1 win 32792 +0 accept(3, ..., ...) = 4 +.000 %{ assert tcpi_segs_in == 2, 'tcpi_segs_in=%d' % tcpi_segs_in }% Fixes: 2efd055c ("tcp: add tcpi_segs_in and tcpi_segs_out to tcp_info") Signed-off-by:Eric Dumazet <edumazet@google.com> Signed-off-by:
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yankejian authored
It will always be passed if the soc is tested the loopback cases. This patch will fix this bug. Signed-off-by:
Kejian Yan <yankejian@huawei.com> Signed-off-by:
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Guo-Fu Tseng authored
According to Documentation/power/devices.txt The driver should not use device_set_wakeup_enable() which is the policy for user to decide. Using device_init_wakeup() to initialize dev->power.should_wakeup and dev->power.can_wakeup on driver initialization. And use device_may_wakeup() on suspend to decide if WoL function should be enabled on NIC. Reported-by:
Diego Viola <diego.viola@gmail.com> Signed-off-by:
Guo-Fu Tseng <cooldavid@cooldavid.org> Signed-off-by:
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Guo-Fu Tseng authored
Otherwise it might be back on resume right after going to suspend in some hardware. Reported-by:
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Haiyang Zhang authored
During hot add, vmbus_device_register() is called from vmbus_onoffer(), on the same workqueue as the subchannel offer message work-queue, so subchannel offer won't be processed until the vmbus_device_register()/... /netvsc_probe() is done. Also, vmbus_device_register() is called with channel_mutex locked, which prevents subchannel processing too. So the "waiting for sub-channel processing" will not success in hot add case. But, in usual module loading, the netvsc_probe() is called from different code path, and doesn't fail. This patch resolves the deadlock during NIC hot-add, and speeds up NIC loading time. Signed-off-by:
Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by:
K. Y. Srinivasan <kys@microsoft.com> Signed-off-by:
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Bill Sommerfeld authored
IPv4 interprets a negative return value from a protocol handler as a request to redispatch to a new protocol. In contrast, IPv6 interprets a negative value as an error, and interprets a positive value as a request for redispatch. UDP for IPv6 was unaware of this difference. Change __udp6_lib_rcv() to return a positive value for redispatch. Note that the socket's encap_rcv hook still needs to return a negative value to request dispatch, and in the case of IPv6 packets, adjust IP6CB(skb)->nhoff to identify the byte containing the next protocol. Signed-off-by:
Bill Sommerfeld <wsommerfeld@google.com> Signed-off-by:
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Douglas Miller authored
The adapter->pcicfg resource is either mapped via pci_iomap() or derived from adapter->db. During be_remove() this resource was ignored and so could remain mapped after remove. Add a flag to track whether adapter->pcicfg was mapped or not, then use that flag in be_unmap_pci_bars() to unmap if required. Fixes: 25848c90 ("use PCI MMIO read instead of config read for errors") Signed-off-by:
Douglas Miller <dougmill@linux.vnet.ibm.com> Signed-off-by:
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Neil Horman authored
vmxnet3 has a function vmxnet3_parse_and_copy_hdr which, among other operations, uses pskb_may_pull to linearize the header portion of an skb. That operation eventually uses local_bh_disable/enable to ensure that it doesn't race with the drivers bottom half handler. Unfortunately, vmxnet3 preforms this parse_and_copy operation with a spinlock held and interrupts disabled. This causes us to run afoul of the WARN_ON_ONCE(irqs_disabled()) warning in local_bh_enable, resulting in this: WARNING: at kernel/softirq.c:159 local_bh_enable+0x59/0x90() (Not tainted) Hardware name: VMware Virtual Platform Modules linked in: ipv6 ppdev parport_pc parport microcode e1000 vmware_balloon vmxnet3 i2c_piix4 sg ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom mptspi mptscsih mptbase scsi_transport_spi pata_acpi ata_generic ata_piix vmwgfx ttm drm_kms_helper drm i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: mperf] Pid: 6229, comm: sshd Not tainted 2.6.32-616.el6.i686 #1 Call Trace: [<c04624d9>] ? warn_slowpath_common+0x89/0xe0 [<c0469e99>] ? local_bh_enable+0x59/0x90 [<c046254b>] ? warn_slowpath_null+0x1b/0x20 [<c0469e99>] ? local_bh_enable+0x59/0x90 [<c07bb936>] ? skb_copy_bits+0x126/0x210 [<f8d1d9fe>] ? ext4_ext_find_extent+0x24e/0x2d0 [ext4] [<c07bc49e>] ? __pskb_pull_tail+0x6e/0x2b0 [<f95a6164>] ? vmxnet3_xmit_frame+0xba4/0xef0 [vmxnet3] [<c05d15a6>] ? selinux_ip_postroute+0x56/0x320 [<c0615988>] ? cfq_add_rq_rb+0x98/0x110 [<c0852df8>] ? packet_rcv+0x48/0x350 [<c07c5839>] ? dev_queue_xmit_nit+0xc9/0x140 ... Fix it by splitting vmxnet3_parse_and_copy_hdr into two functions: vmxnet3_parse_hdr, which sets up the internal/on stack ctx datastructure, and pulls the skb (both of which can be done without holding the spinlock with irqs disabled and vmxnet3_copy_header, which just copies the skb to the tx ring under the lock safely. tested and shown to correct the described problem. Applies cleanly to the head of the net tree Signed-off-by:
Neil Horman <nhorman@tuxdriver.com> CC: Shrikrishna Khare <skhare@vmware.com> CC: "VMware, Inc." <pv-drivers@vmware.com> CC: "David S. Miller" <davem@davemloft.net> Acked-by:
Shrikrishna Khare <skhare@vmware.com> Signed-off-by:
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David S. Miller authored
Manish Chopra says: ==================== qed/qede: Add hardware GRO support This patch series enables hardware GRO and add support for handling HW aggregated TCP packets in driver receive flow by skipping software GRO handling in stack. Please consider applying this series to net-next. ==================== Signed-off-by: -
Manish Chopra authored
This patch configures hardware to use GRO and adds support for fastpath APIs to handle HW aggregated packets. Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by:
Manish Chopra <manish.chopra@qlogic.com> Signed-off-by:
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Manish Chopra authored
This patch adds mainly structures and APIs prototype changes in order to give support for qede slowpath/fastpath support for the same. Signed-off-by:
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David S. Miller authored
Merge tag 'wireless-drivers-for-davem-2016-03-04' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for 4.5 iwlwifi * free firmware paging memory when the module is unloaded or device removed * fix pending frames counter to fix an issue when removing stations ssb * fix a build problem related to ssb_fill_sprom_with_fallback() ==================== Signed-off-by:
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Richard Alpe authored
Make the c files less cluttered and enable netlink attributes to be shared between files. Signed-off-by:
Richard Alpe <richard.alpe@ericsson.com> Reviewed-by:
Jon Maloy <jon.maloy@ericsson.com> Acked-by:
Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com> Signed-off-by:
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Zhang Shengju authored
Currently, arp_rcv() always return zero on a packet delivery upcall. To make its behavior more compliant with the way this API should be used, this patch changes this to let it return NET_RX_SUCCESS when the packet is proper handled, and NET_RX_DROP otherwise. v1->v2: If sanity check is failed, call kfree_skb() instead of consume_skb(), then return the correct return value. Signed-off-by:
Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by:
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Krzysztof Kozlowski authored
The MFD_SYSCON depends on HAS_IOMEM so when selecting it avoid unmet direct dependencies. Signed-off-by:
Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by:
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Thomas Falcon authored
If skb_linearize fails, the driver should drop the packet instead of trying to copy it into the bounce buffer. Signed-off-by:
Thomas Falcon <tlfalcon@linux.vnet.ibm.com> Signed-off-by:
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Bjørn Mork authored
Some devices will silently fail setup unless they are reset first. This is necessary even if the data interface is already in altsetting 0, which it will be when the device is probed for the first time. Briefly toggling the altsetting forces a function reset regardless of the initial state. This fixes a setup problem observed on a number of Huawei devices, appearing to operate in NTB-32 mode even if we explicitly set them to NTB-16 mode. Signed-off-by:
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Oliver Neukum authored
In case bind() works, but a later error forces bailing in probe() in error cases work and a timer may be scheduled. They must be killed. This fixes an error case related to the double free reported in http://www.spinics.net/lists/netdev/msg367669.html and needs to go on top of Linus' fix to cdc-ncm. Signed-off-by:
Oliver Neukum <ONeukum@suse.com> Signed-off-by:
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