aboutsummaryrefslogtreecommitdiff
AgeCommit message (Collapse)AuthorFilesLines
2017-04-01net: phy: allow EEE with any interface modeRussell King1-8/+1
EEE is able to work in any PHY interface mode, there is nothing which fundamentally restricts it to only a few modes. For example, EEE works in SGMII mode with the Marvell 88E1512. Rather than just adding SGMII mode to the list, Florian suggests removing the list of interface modes entirely: It actually sounds like we should just kill the check entirely, it does not appear that any of the interface mode would not fundamentally be able to support EEE, because the "lowest" mode we support is MII, and even there it's quite possible to support EEE. Reviewed-by: Florian Fainelli <[email protected]> Signed-off-by: Russell King <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: phy: restart phy autonegotiation after EEE advertisment changeRussell King1-2/+19
When the EEE advertisment is changed, we should restart autonegotiation to update the link partner with the new EEE settings. Add this trigger but only if the advertisment has changed. Reviewed-by: Florian Fainelli <[email protected]> Signed-off-by: Russell King <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: phy: avoid setting unsupported EEE advertismentsRussell King1-5/+10
We currently allow userspace to set any EEE advertisments it desires, whether or not the PHY supports them. For example: # ethtool --set-eee eth1 advertise 0xffffffff # ethtool --show-eee eth1 EEE Settings for eth1: EEE status: disabled Tx LPI: disabled Supported EEE link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Advertised EEE link modes: 100baseT/Full 1000baseT/Full 1000baseKX/Full 10000baseT/Full 10000baseKX4/Full 10000baseKR/Full Clearly, this is not sane, we should only allow link modes that are supported to be advertised (as we do elsewhere.) Ensure that we mask the MDIO_AN_EEE_ADV value with the capabilities retrieved from the MDIO_PCS_EEE_ABLE register. Reviewed-by: Florian Fainelli <[email protected]> Signed-off-by: Russell King <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01Merge branch 'bpf-prog-testing-framework'David S. Miller18-10/+1385
Alexei Starovoitov says: ==================== bpf: program testing framework Development and testing of networking bpf programs is quite cumbersome. Especially tricky are XDP programs that attach to real netdevices and program development feels like working on the car engine while the car is in motion. Another problem is ongoing changes to upstream llvm core that can introduce an optimization that verifier will not recognize. llvm bpf backend tests have no ability to run the programs. To improve this situation introduce BPF_PROG_TEST_RUN command to test and performance benchmark bpf programs. It achieves several goals: - development of xdp and skb based bpf programs can be done in a canned environment with unit tests - program performance optimizations can be benchmarked outside of networking core (without driver and skb costs) - continuous testing of upstream changes is finally practical Patches 4,5,6 add C based test cases of various complexity to cover some sched_cls and xdp features. More tests will be added in the future. The tests were run on centos7 only. For now the framework supports only skb and xdp programs. In the future it can be extended to socket_filter and tracing program types. More details are in individual patches. v1->v2: - rename bpf_program_test_run->bpf_prog_test_run - add missing #include <linux/bpf.h> since libbpf.h shouldn't depend on prior includes - reordered patches 3 and 4 to keep bisect clean ==================== Signed-off-by: David S. Miller <[email protected]>
2017-04-01selftests/bpf: add l4 load balancer test based on sched_clsAlexei Starovoitov3-1/+563
this l4lb demo is a comprehensive test case for LLVM codegen and kernel verifier. It's using fully inlined jhash(), complex packet parsing and multiple map lookups of different types to stress llvm and verifier. The map sizes, map population and test vectors are artificial to exercise different paths through the bpf program. Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01selftests/bpf: add a test for basic XDP functionalityAlexei Starovoitov4-1/+332
add C test for xdp_adjust_head(), packet rewrite and map lookups Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01selftests/bpf: add a test for overlapping packet range checksAlexei Starovoitov3-4/+215
add simple C test case for llvm and verifier range check fix from commit b1977682a385 ("bpf: improve verifier packet range checks") Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01tools/lib/bpf: expose bpf_program__set_type()Alexei Starovoitov2-2/+3
expose bpf_program__set_type() to set program type Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01tools/lib/bpf: add support for BPF_PROG_TEST_RUN commandAlexei Starovoitov3-1/+51
add support for BPF_PROG_TEST_RUN command to libbpf.a Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Acked-by: Wang Nan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01bpf: introduce BPF_PROG_TEST_RUN commandAlexei Starovoitov7-3/+223
development and testing of networking bpf programs is quite cumbersome. Despite availability of user space bpf interpreters the kernel is the ultimate authority and execution environment. Current test frameworks for TC include creation of netns, veth, qdiscs and use of various packet generators just to test functionality of a bpf program. XDP testing is even more complicated, since qemu needs to be started with gro/gso disabled and precise queue configuration, transferring of xdp program from host into guest, attaching to virtio/eth0 and generating traffic from the host while capturing the results from the guest. Moreover analyzing performance bottlenecks in XDP program is impossible in virtio environment, since cost of running the program is tiny comparing to the overhead of virtio packet processing, so performance testing can only be done on physical nic with another server generating traffic. Furthermore ongoing changes to user space control plane of production applications cannot be run on the test servers leaving bpf programs stubbed out for testing. Last but not least, the upstream llvm changes are validated by the bpf backend testsuite which has no ability to test the code generated. To improve this situation introduce BPF_PROG_TEST_RUN command to test and performance benchmark bpf programs. Joint work with Daniel Borkmann. Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Daniel Borkmann <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: Mock-up driverFlorian Fainelli5-1/+390
This patch adds support for a DSA mock-up driver which essentially does the following: - registers/unregisters 4 fixed PHYs to the slave network devices - uses eth0 (configurable) as the master netdev - registers the switch as a fixed MDIO device against the fixed MDIO bus at address 31 - includes dynamic debug prints for dsa_switch_ops functions that can be enabled to get call traces This is a good way to test modular builds as well as exercise the DSA APIs without requiring access to real hardware. This does not test the data-path, although this could be added later on. Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01Merge branch 'mv88e6xxx-cross-chip-bridging'David S. Miller6-72/+287
Vivien Didelot says: ==================== net: dsa: mv88e6xxx: program cross-chip bridging The purpose of this patch series is to bring hardware cross-chip bridging configuration to the DSA layer and the mv88e6xxx DSA driver. Most recent Marvell switch chips have a Cross-chip Port Based VLAN Table (PVT) used to restrict to which internal destination port an arbitrary external source port is allowed to egress frames to. The current behavior of the mv88e6xxx driver is to program this table table with all ones, allowing any external ports to egress frames on any internal ports. This means that carefully crafted Ethernet frames can potentially bypass the user bridging configuration. Patches 1 to 7 prepare the setup of this table and factorize the common bits of both in-chip and cross-chip Marvell bridging code. Patch 8 adds new optional cross-chip bridging operations to DSA switch. Patch 9 switches the current behavior to program the table according to the user bridging configuration when (cross-chip) ports get (un)bridged. On a ZII Rev B board, bridging together the 3 user ports of both 88E6352 will result in the following PVTs on respectively switch 0 and switch 1: External Internal Ports Dev Port 0 1 2 3 4 5 6 1 0 * * * - - * * 1 1 * * * - - * * 1 2 * * * - - * * 1 3 - - - - - * * 1 4 - - - - - * * 1 5 * * * * * * * 1 6 * * * * * * * 0 0 * * * - - * * 0 1 * * * - - * * 0 2 * * * - - * * 0 3 - - - - - * * 0 4 - - - - - * * 0 5 * * * * * * * 0 6 * * * * * * * Changes since v2: - Define MV88E6XXX_MAX_PVT_SWITCHES and MV88E6XXX_MAX_PVT_PORTS - use mv88e6xxx_g2_misc_4_bit_port instead of the 5-bit variant - add Andrew's tags and reword commit 6/9 ==================== Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: add cross-chip bridgingVivien Didelot1-1/+33
Implement the DSA cross-chip bridging operations by remapping the local ports an external source port can egress frames to, when this cross-chip port joins or leaves a bridge. The PVT is no longer configured with all ones allowing any external frame to egress any local port. Only DSA and CPU ports, as well as bridge group members, can egress frames on local ports. Signed-off-by: Vivien Didelot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: add cross-chip bridging operationsVivien Didelot2-6/+14
Introduce crosschip_bridge_{join,leave} operations in the dsa_switch_ops structure, which can be used by switches supporting interconnection. Signed-off-by: Vivien Didelot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: remap existing bridge membersVivien Didelot1-0/+20
When a local port of a switch chip becomes a member of a bridge group, we need to reprogram the Cross-chip Port Based VLAN Table (PVT) to allow existing cross-chip bridge members to egress frames on the new ports. There is no functional changes yet, since the PVT is still programmed with all ones, allowing any external port to egress frames locally. Signed-off-by: Vivien Didelot <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: factorize in-chip bridge mapVivien Didelot1-22/+25
Factorize the code in the DSA port_bridge_{join,leave} routines used to program the port VLAN map of all local ports of a given bridge group. At the same time shorten the _mv88e6xxx_port_based_vlan_map to get rid of the old underscore prefix naming convention. Signed-off-by: Vivien Didelot <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: rework in-chip bridgingVivien Didelot1-17/+32
All ports -- internal and external, for chips featuring a PVT -- have a mask restricting to which internal ports a frame is allowed to egress. Now that DSA exposes the number of ports and their bridge devices, it is possible to extract the code generating the VLAN map and make it generic so that it can be shared later with the cross-chip bridging code. Signed-off-by: Vivien Didelot <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: allocate the number of portsVivien Didelot1-1/+1
The current code allocates DSA_MAX_PORTS ports for a Marvell dsa_switch structure. Provide the exact number of ports so the corresponding ds->num_ports is accurate. Signed-off-by: Vivien Didelot <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: program the PVT with all onesVivien Didelot4-9/+86
The Cross-chip Port Based VLAN Table (PVT) is currently initialized with all ones, allowing any external ports to egress frames on local ports. This commit implements the PVT access functions and programs the PVT with all ones for the local switch ports only, instead of using the Init operation. The current behavior is unchanged for the moment. Signed-off-by: Vivien Didelot <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: use 4-bit port for PVT dataVivien Didelot4-0/+48
The Cross-chip Port Based VLAN Table (PVT) supports two indexing modes, one using 5-bit for device and 4-bit for port, the other using 4-bit for device and 5-bit for port, configured via the Global 2 Misc register. Only 4 bits for the source port are needed when interconnecting 88E6xxx switch devices since they all support less than 16 physical ports. The full 5 bits are needed when interconnecting a device with 98DXxxx switch devices since they support more than 16 physical ports. Add a mv88e6xxx_pvt_setup helper to set the 4-bit port PVT mode, which will be extended later to also initialize the PVT content. Signed-off-by: Vivien Didelot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01net: dsa: mv88e6xxx: move PVT description in infoVivien Didelot3-22/+34
Not all Marvell switch chips feature a Cross-chip Port VLAN Table (PVT). Chips with a PVT use the same implementation, so a new mv88e6xxx_ops member won't be necessary yet. Add a "pvt" boolean member to the mv88e6xxx_info structure and kill the obsolete MV88E6XXX_FLAGS_PVT flag. Add a mv88e6xxx_has_pvt helper to wrap future checks of that condition. Signed-off-by: Vivien Didelot <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01dpaa_eth: use AVOIDBLOCK for Tx confirmation queuesMadalin Bucur1-1/+1
The AVOIDBLOCK flag determines the Tx confirmation queues processing to be redirected to any available CPU when the current one is slow in processing them. This may result in a higher Tx confirmation interrupt count but may reduce pressure on a certain CPU that with the previous setting would process all Tx confirmation frames. Signed-off-by: Madalin Bucur <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01fsl/fman: take into account all RGMII modesMadalin Bucur2-2/+11
Accept the internal delay RGMII variants. Signed-off-by: Madalin Bucur <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-04-01vxlan: vxlan dev should inherit lowerdev's gso_max_sizeFelix Manlunas1-0/+5
vxlan dev currently ignores lowerdev's gso_max_size, which adversely affects TSO performance of liquidio if it's the lowerdev. Egress TCP packets' skb->len often exceed liquidio's advertised gso_max_size. This may happen on other NIC drivers. Fix it by assigning lowerdev's gso_max_size to that of vxlan dev. Might as well do likewise for gso_max_segs. Single flow TSO throughput of liquidio as lowerdev (using iperf3): Before the patch: 139 Mbps After the patch : 8.68 Gbps Percent increase: 6,144 % Signed-off-by: Felix Manlunas <[email protected]> Signed-off-by: Satanand Burla <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30sock: avoid dirtying sk_stamp, if possiblePaolo Abeni2-2/+5
sock_recv_ts_and_drops() unconditionally set sk->sk_stamp for every packet, even if the SOCK_TIMESTAMP flag is not set in the related socket. If selinux is enabled, this cause a cache miss for every packet since sk->sk_stamp and sk->sk_security share the same cacheline. With this change sk_stamp is set only if the SOCK_TIMESTAMP flag is set, and is cleared for the first packet, so that the user perceived behavior is unchanged. This gives up to 5% speed-up under udp-flood with small packets. Signed-off-by: Paolo Abeni <[email protected]> Acked-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30Merge branch 'ibmvnic-cleanup-resource-handling'David S. Miller1-253/+303
Nathan Fontenot says: ==================== ibmvnic: Cleanup resource handling In order to better manage the resources of the ibmvnic driver, this set of patches creates a set of initialization and release routines for the drivers resources. Additionally, some patches do some re-naming of the affected routines so that there is a common naming scheme in the driver. ==================== Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Cleanup failure path in ibmvnic_openNathan Fontenot1-32/+19
Now that ibmvnic_release_resources will clean up all of our resources properly, even if they were not allocated, we can just call this for failues in ibmvnic_open. This patch also moves the ibmvnic_release_resources() routine up in the file to avoid creating a forward declaration ad re-names it to drop the ibmvnic prefix. Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Create init/release routines for stats tokenNathan Fontenot1-12/+34
Create an initialization and a release routine for the stats token used by the ibmvnic driver. Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Merge the two release_sub_crq_queue routinesNathan Fontenot1-32/+22
Keeping two routines for releasing sub crqs, one for when irqs are not initialized and one for when they are, is a bit of overkill. Merge the two routines to a common release routine that will check for an irq and release it if needed. Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Create init and release routines for the rx poolNathan Fontenot1-103/+101
Move the initialization and the release of the rx pool to their own routines, and update them to do validation. Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Create init and release routines for the tx poolNathan Fontenot1-56/+78
Move the initialization and the release of the tx pool to their own routines, and update them to do validation. This also adds validation to the release of the long term buffer. Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Create init and release routines for the bounce bufferNathan Fontenot1-27/+50
Move the handling of initialization and releasing the bounce buffer to their own init and release routines. Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Update main crq initialization and releaseNathan Fontenot1-7/+15
Update the initialization and release routines for the crq queue so that we validate the crq queue. Additionally this updates the naming of the init and release routines for the crq queue to drop the ibmvnic prefix. This matches the naming for similar routines in the driver Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30net: tcp: Refine the __tcp_select_windowGao Feng1-5/+3
1. Move the "window = tp->rcv_wnd;" into the condition block without tp->rx_opt.rcv_wscale. Because it is unnecessary when enable wscale; 2. Use the macro ALIGN instead of two statements. The two statements are used to make window align to 1<<wscale. Use the ALIGN is more clearer. 3. Use the rounddown to make codes clearer. Signed-off-by: Gao Feng <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30net: dsa: mv88e6xxx: debug ATU Age TimeVivien Didelot1-1/+8
The ATU ageing time value programmed in the switch is rounded up to the nearest multiple of its coefficient (variable depending on the model.) Add a debug message to inform the user about the exact programmed value. On 6352, "brctl setageing br0 18" gives "AgeTime set to 0x01 (15000 ms)" while on 6390 we get "AgeTime set to 0x05 (18750 ms)". Signed-off-by: Vivien Didelot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30ibmvnic: Remove debugfs supportNathan Fontenot2-658/+0
The debugfs support in the ibmvnic driver is not, and never has been, supported. Just remove it. The work done in the debugfs code for the driver was part of the original spec for the ibmvnic driver. The corresponding support for this from the server side was never supported and has been dropped. Signed-off-by: Nathan Fontenot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30bonding: refine bond_fold_stats() wrap detectionEric Dumazet1-3/+8
Some device drivers reset their stats at down/up events, possibly fooling bonding stats, since they operate with relative deltas. It is nearly not possible to fix drivers, since some of them compute the tx/rx counters based on per rx/tx queue stats, and the queues can be reconfigured (ethtool -L) between the down/up sequence. Lets avoid accumulating 'negative' values that render bonding stats useless. It is better to lose small deltas, assuming the bonding stats are fetched at a reasonable frequency. Fixes: 5f0c5f73e5ef ("bonding: make global bonding stats more reliable") Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30VSOCK: remove unnecessary ternary operator on return valueColin Ian King1-15/+7
Rather than assign the positive errno values to ret and then checking if it is positive and flip the sign, just return the errno value. Detected by CoverityScan, CID#986649 ("Logically Dead Code") Signed-off-by: Colin Ian King <[email protected]> Reviewed-by: Stefan Hajnoczi <[email protected]> Reviewed-by: Jorgen Hansen <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30drivers: add explicit interrupt.h includesFlorian Westphal17-0/+18
These files all use functions declared in interrupt.h, but currently rely on implicit inclusion of this file (via netns/xfrm.h). That won't work anymore when the flow cache is removed so include that header where needed. Signed-off-by: Florian Westphal <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30net: stmmac: dwmac-rk: Add handling for RGMII_ID/RXID/TXIDWadim Egorov1-16/+37
ATM dwmac-rk will always set and enable it's internal delay lines. Using PHY internal delays in combination with the phy-mode rgmii-id/rxid/txid was not possible. Only rgmii was supported. Now we can disable rockchip's gmac delay lines and also use rgmii-id/rxid/txid. Tested only with a RK3288 based board. Signed-off-by: Wadim Egorov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30Revert "net: stmmac: enable multiple buffers"LABBE Corentin4-973/+473
The commit aff3d9eff843 ("net: stmmac: enable multiple buffers") breaks numerous boards. while some patch exists for fixing some of it, dwmac-sunxi is still broken with it. Since this patch is very huge, it will be better to split it in smaller part. Signed-off-by: Corentin Labbe <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-30brcmfmac: use local iftype avoiding use-after-free of virtual interfaceArend Van Spriel1-3/+5
A use-after-free was found using KASAN. In brcmf_p2p_del_if() the virtual interface is removed using call to brcmf_remove_interface(). After that the virtual interface instance has been freed and should not be referenced. Solve this by storing the nl80211 iftype in local variable, which is used in a couple of places anyway. Cc: [email protected] # 4.10.x, 4.9.x Reported-by: Daniel J Blueman <[email protected]> Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Reviewed-by: Franky Lin <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: Kalle Valo <[email protected]>
2017-03-30rtlwifi: Fix scheduling while atomic splatLarry Finger1-2/+4
Following commit cceb0a597320 ("rtlwifi: Add work queue for c2h cmd."), the following BUG is reported when rtl8723be is used: BUG: sleeping function called from invalid context at mm/slab.h:432 in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper/0 CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W O 4.11.0-rc3-wl+ #276 Hardware name: TOSHIBA TECRA A50-A/TECRA A50-A, BIOS Version 4.50 09/29/2014 Call Trace: <IRQ> dump_stack+0x63/0x89 ___might_sleep+0xe9/0x130 __might_sleep+0x4a/0x90 kmem_cache_alloc_trace+0x19f/0x200 ? rtl_c2hcmd_enqueue+0x3e/0x110 [rtlwifi] rtl_c2hcmd_enqueue+0x3e/0x110 [rtlwifi] rtl8723be_c2h_packet_handler+0xac/0xc0 [rtl8723be] rtl8723be_rx_command_packet+0x37/0x5c [rtl8723be] _rtl_pci_rx_interrupt+0x200/0x6b0 [rtl_pci] _rtl_pci_interrupt+0x20c/0x5d0 [rtl_pci] __handle_irq_event_percpu+0x3f/0x1d0 handle_irq_event_percpu+0x23/0x60 handle_irq_event+0x3c/0x60 handle_fasteoi_irq+0xa2/0x170 handle_irq+0x20/0x30 do_IRQ+0x48/0xd0 common_interrupt+0x89/0x89 ... Although commit cceb0a597320 converted most c2h commands to use a work queue, the Bluetooth coexistence routines can be in atomic mode when they execute such a call. Fixes: cceb0a597320 ("rtlwifi: Add work queue for c2h cmd.") Signed-off-by: Larry Finger <[email protected]> Cc: Ping-Ke Shih <[email protected]> Signed-off-by: Kalle Valo <[email protected]>
2017-03-30Merge tag 'iwlwifi-for-kalle-2017-03-29' of ↵Kalle Valo5-7/+16
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes iwlwifi fixes for 4.11 Here are three patches intended for 4.11. The first one is an RCU fix by Sari. The second one is a fix for a potential out-of-bounds access crash by Dan. And finally, the third and bigger one, is a fix for IBSS, which has been broken since DQA was enabled in the driver.
2017-03-29Merge branch '40GbE' of ↵David S. Miller13-428/+559
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== 40GbE Intel Wired LAN Driver Updates 2017-03-29 This series contains updates to i40e and i40evf only. Preethi changes the default driver mode of operation to descriptor write-back for VF. Alex cleans up and addresses several issues in the way that i40e handles private flags. Modifies the driver to use the length of the packet instead of the DD status bit to determine if a new descriptor is ready to be processed. Refactors the driver by pulling the code responsible for fetching the receive buffer and synchronizing DMA into a single function. Also pulled the code responsible for handling buffer recycling and page counting and distributed it through several functions, so we can commonize the bits that handle either freeing or recycling the buffers. Cleans up the code in preparation for us adding support for build_skb(). Changed the way we handle the maximum frame size for the receive path so it is more consistent with other drivers. Paul enables XL722 to use the direct read/write method since it does not support the AQ command to read/write the control register. Christopher fixes a case where we miss an arq element if a new one is added before we enable interrupts and exit the loop. Jake cleans up a pointless goto statement. Also cleaned up a flag that was not being used. Carolyn does round 2 for adding a delay to the receive queue to accommodate the hardware needs. ==================== Signed-off-by: David S. Miller <[email protected]>
2017-03-29Merge branch 'tipc-socketpair'David S. Miller1-3/+25
Parthasarathy Bhuvaragan says: ==================== tipc: add socketpair support We add socketpair support for connection oriented sockets in the first patch and for connection less in the second. ==================== Signed-off-by: David S. Miller <[email protected]>
2017-03-29tipc: allow rdm/dgram socketpairsErik Hugne1-4/+16
for socketpairs using connectionless transport, we cache the respective node local TIPC portid to use in subsequent calls to send() in the socket's private data. Signed-off-by: Erik Hugne <[email protected]> Signed-off-by: Parthasarathy Bhuvaragan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-29tipc: add support for stream/seqpacket socketpairsErik Hugne1-2/+12
sockets A and B are connected back-to-back, similar to what AF_UNIX does. Signed-off-by: Erik Hugne <[email protected]> Signed-off-by: Parthasarathy Bhuvaragan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-29net: mvneta: set rx mode during resume if interface is runningJisheng Zhang1-1/+4
I found a bug by: 0. boot and start dhcp client 1. echo mem > /sys/power/state 2. resume back immediately 3. don't touch dhcp client to renew the lease 4. ping the gateway. No acks Usually, after step2, the DHCP lease isn't expired, so in theory we should resume all back. But in fact, it doesn't. It turns out the rx mode isn't resumed correctly. This patch fixes it by adding mvneta_set_rx_mode(dev) in the resume hook if interface is running. Signed-off-by: Jisheng Zhang <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2017-03-29net: mvneta: add RGMII_RXID and RGMII_TXID supportJisheng Zhang1-0/+2
RGMII_RXID and RGMII_TX_ID share the same GMAC CTRL setting as RGMII or RGMII_ID. Signed-off-by: Jisheng Zhang <[email protected]> Reviewed-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>