- 01 Jun, 2020 18 commits
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Pablo Neira Ayuso authored
Update existing frontends to use flow_indr_dev_setup_offload(). This new function must be called if ->ndo_setup_tc is unset to deal with tunnel devices. If there is no driver that is subscribed to new tunnel device flow_block bindings, then this function bails out with EOPNOTSUPP. If the driver module is removed, the ->cleanup() callback removes the entries that belong to this tunnel device. This cleanup procedures is triggered when the device unregisters the tunnel device offload handler. Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso authored
Add a helper function to initialize the flow_block_offload structure. Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso authored
Tunnel devices provide no dev->netdev_ops->ndo_setup_tc(...) interface. The tunnel device and route control plane does not provide an obvious way to relate tunnel and physical devices. This patch allows drivers to register a tunnel device offload handler for the tc and netfilter frontends through flow_indr_dev_register() and flow_indr_dev_unregister(). The frontend calls flow_indr_dev_setup_offload() that iterates over the list of drivers that are offering tunnel device hardware offload support and it sets up the flow block for this tunnel device. If the driver module is removed, the indirect flow_block ends up with a stale callback reference. The module removal path triggers the dev_shutdown() path to remove the qdisc and the flow_blocks for the physical devices. However, this is not useful for tunnel devices, where relation between the physical and the tunnel device is not explicit. This patch introduces a cleanup callback that is invoked when the driver module is removed to clean up the tunnel device flow_block. This patch defines struct flow_block_indr and it uses it from flow_block_cb to store the information that front-end requires to perform the flow_block_cb cleanup on module removal. Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso authored
This function schedules the flow teardown state and it forces a gc run. Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Davide Caratti authored
trying to configure TC 'act_gate' rules with invalid control actions, the following splat can be observed: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 2143 Comm: tc Not tainted 5.7.0-rc6+ #168 Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014 RIP: 0010:hrtimer_active+0x56/0x290 [...] Call Trace: hrtimer_try_to_cancel+0x6d/0x330 hrtimer_cancel+0x11/0x20 tcf_gate_cleanup+0x15/0x30 [act_gate] tcf_action_cleanup+0x58/0x170 __tcf_action_put+0xb0/0xe0 __tcf_idr_release+0x68/0x90 tcf_gate_init+0x7c7/0x19a0 [act_gate] tcf_action_init_1+0x60f/0x960 tcf_action_init+0x157/0x2a0 tcf_action_add+0xd9/0x2f0 tc_ctl_action+0x2a3/0x39d rtnetlink_rcv_msg+0x5f3/0x920 netlink_rcv_skb+0x121/0x350 netlink_unicast+0x439/0x630 netlink_sendmsg+0x714/0xbf0 sock_sendmsg+0xe2/0x110 ____sys_sendmsg+0x5b4/0x890 ___sys_sendmsg+0xe9/0x160 __sys_sendmsg+0xd3/0x170 do_syscall_64+0x9a/0x370 entry_SYSCALL_64_after_hwframe+0x44/0xa9 this is caused by hrtimer_cancel(), running before hrtimer_init(). Fix it ensuring to call hrtimer_cancel() only if clockid is valid, and the timer has been initialized. After fixing this splat, the same error path causes another problem: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 980 Comm: tc Not tainted 5.7.0-rc6+ #168 Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014 RIP: 0010:release_entry_list+0x4a/0x240 [act_gate] [...] Call Trace: tcf_action_cleanup+0x58/0x170 __tcf_action_put+0xb0/0xe0 __tcf_idr_release+0x68/0x90 tcf_gate_init+0x7ab/0x19a0 [act_gate] tcf_action_init_1+0x60f/0x960 tcf_action_init+0x157/0x2a0 tcf_action_add+0xd9/0x2f0 tc_ctl_action+0x2a3/0x39d rtnetlink_rcv_msg+0x5f3/0x920 netlink_rcv_skb+0x121/0x350 netlink_unicast+0x439/0x630 netlink_sendmsg+0x714/0xbf0 sock_sendmsg+0xe2/0x110 ____sys_sendmsg+0x5b4/0x890 ___sys_sendmsg+0xe9/0x160 __sys_sendmsg+0xd3/0x170 do_syscall_64+0x9a/0x370 entry_SYSCALL_64_after_hwframe+0x44/0xa9 the problem is similar: tcf_action_cleanup() was trying to release a list without initializing it first. Ensure that INIT_LIST_HEAD() is called for every newly created 'act_gate' action, same as what was done to 'act_ife' with commit 44c23d71 ("net/sched: act_ife: initalize ife->metalist earlier"). Fixes: a51c328d ("net: qos: introduce a gate control flow action") CC: Ivan Vecera <ivecera@redhat.com> Signed-off-by:
Davide Caratti <dcaratti@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Bartosz Golaszewski says: ==================== regmap: provide simple bitops and use them in a driver I noticed that oftentimes I use regmap_update_bits() for simple bit setting or clearing. In this case the fourth argument is superfluous as it's always 0 or equal to the mask argument. This series proposes to add simple bit operations for setting, clearing and testing specific bits with regmap. The second patch uses all three in a driver that got recently picked into the net-next tree. The patches obviously target different trees so - if you're ok with the change itself - I propose you pick the first one into your regmap tree for v5.8 and then I'll resend the second patch to add the first user for these macros for v5.9. v1 -> v2: - convert the new macros to static inline functions v2 -> v3: - drop unneeded ternary operator ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
Shrink the code visually by replacing regmap_update_bits() with appropriate regmap bit operations where applicable. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
In many instances regmap_update_bits() is used for simple bit setting and clearing. In these cases the last argument is redundant and we can hide it with a static inline function. This adds three new helpers for simple bit operations: set_bits, clear_bits and test_bits (the last one defined as a regular function). Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Dan Carpenter authored
The caller doesn't care about the error codes, they only check for zero vs non-zero. Still, it's better to preserve the negative error codes from alloc_uld_rxqs() instead of changing it to 1. We can also return directly if there is a failure. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Ido Schimmel says: ==================== Fix infinite loop in bridge and vxlan modules When suppressing invalid IPv6 Neighbour Solicitation messages, it is possible for the bridge and vxlan modules to get stuck in an infinite loop. See the individual changelogs for detailed explanation of the problem and solution. The bug was originally reported against the bridge module, but after auditing the code base I found that the buggy code was copied from the vxlan module. This patch set fixes both modules. Could not find more instances of the problem. Please consider both patches for stable releases. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
When proxy mode is enabled the vxlan device might reply to Neighbor Solicitation (NS) messages on behalf of remote hosts. In case the NS message includes the "Source link-layer address" option [1], the vxlan device will use the specified address as the link-layer destination address in its reply. To avoid an infinite loop, break out of the options parsing loop when encountering an option with length zero and disregard the NS message. This is consistent with the IPv6 ndisc code and RFC 4886 which states that "Nodes MUST silently discard an ND packet that contains an option with length zero" [2]. [1] https://tools.ietf.org/html/rfc4861#section-4.3 [2] https://tools.ietf.org/html/rfc4861#section-4.6 Fixes: 4b29dba9 ("vxlan: fix nonfunctional neigh_reduce()") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Acked-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ido Schimmel authored
When neighbor suppression is enabled the bridge device might reply to Neighbor Solicitation (NS) messages on behalf of remote hosts. In case the NS message includes the "Source link-layer address" option [1], the bridge device will use the specified address as the link-layer destination address in its reply. To avoid an infinite loop, break out of the options parsing loop when encountering an option with length zero and disregard the NS message. This is consistent with the IPv6 ndisc code and RFC 4886 which states that "Nodes MUST silently discard an ND packet that contains an option with length zero" [2]. [1] https://tools.ietf.org/html/rfc4861#section-4.3 [2] https://tools.ietf.org/html/rfc4861#section-4.6 Fixes: ed842fae ("bridge: suppress nd pkts on BR_NEIGH_SUPPRESS ports") Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Reported-by:
Alla Segal <allas@mellanox.com> Tested-by:
Alla Segal <allas@mellanox.com> Acked-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Patrick Eigensatz authored
After allocating the spare nexthop group it should be tested for kzalloc() returning NULL, instead the already used nexthop group (which cannot be NULL at this point) had been tested so far. Additionally, if kzalloc() fails, return ERR_PTR(-ENOMEM) instead of NULL. Coverity-id: 1463885 Reported-by:
Coverity <scan-admin@coverity.com> Signed-off-by:
Patrick Eigensatz <patrickeigensatz@gmail.com> Acked-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Johan Hedberg says: ==================== pull request: bluetooth-next 2020-06-01 Here's one last bluetooth-next pull request for 5.8, which I hope can still be accepted. - Enabled Wide-Band Speech (WBS) support for Qualcomm wcn3991 - Multiple fixes/imprvovements to Qualcomm-based devices - Fix GAP/SEC/SEM/BI-10-C qualfication test case - Added support for Broadcom BCM4350C5 device - Several other smaller fixes & improvements Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Zijun Hu authored
QCA6390 memdump VSE sometimes come to bluetooth driver with wrong sequence number as illustrated as follows: frame # in dec: frame data in hex 1396: ff fd 01 08 74 05 00 37 8f 14 1397: ff fd 01 08 75 05 00 ff bf 38 1414: ff fd 01 08 86 05 00 fb 5e 4b 1399: ff fd 01 08 77 05 00 f3 44 0a 1400: ff fd 01 08 78 05 00 ca f7 41 it is mistook for controller missing packets, so results in page fault after overwriting memdump buffer allocated. Fixed by ignoring QCA6390 sequence number check and checking buffer space before writing. Signed-off-by:
Zijun Hu <zijuhu@codeaurora.org> Tested-by:
Zijun Hu <zijuhu@codeaurora.org> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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Zijun Hu authored
serdev_device_write() is not appropriate at here because serdev_device_write_wakeup() is not used to release completion hold by the former at @write_wakeup member of struct serdev_device_ops. Fix by using serdev_device_write_buf() instead of serdev_device_write(). Signed-off-by:
Zijun Hu <zijuhu@codeaurora.org> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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Zijun Hu authored
Controller ID info got by VSC EDL_PATCH_GETVER is very important, so improve its log level from DEBUG to INFO. Signed-off-by:
Zijun Hu <zijuhu@codeaurora.org> Reviewed-by:
Matthias Kaehlcke <mka@chromium.org> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller authored
xdp_umem.c had overlapping changes between the 64-bit math fix for the calculation of npgs and the removal of the zerocopy memory type which got rid of the chunk_size_nohdr member. The mlx5 Kconfig conflict is a case where we just take the net-next copy of the Kconfig entry dependency as it takes on the ESWITCH dependency by one level of indirection which is what the 'net' conflicting change is trying to ensure. Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 31 May, 2020 22 commits
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David S. Miller authored
Merge tag 'mac80211-next-for-davem-2020-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Another set of changes, including * many 6 GHz changes, though it's not _quite_ complete (I left out scanning for now, we're still discussing) * allow userspace SA-query processing for operating channel validation * TX status for control port TX, for AP-side operation * more per-STA/TID control options * move to kHz for channels, for future S1G operation * various other small changes ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Joe Perches authored
Yes, staying withing 80 columns is certainly still _preferred_. But it's not the hard limit that the checkpatch warnings imply, and other concerns can most certainly dominate. Increase the default limit to 100 characters. Not because 100 characters is some hard limit either, but that's certainly a "what are you doing" kind of value and less likely to be about the occasional slightly longer lines. Miscellanea: - to avoid unnecessary whitespace changes in files, checkpatch will no longer emit a warning about line length when scanning files unless --strict is also used - Add a bit to coding-style about alignment to open parenthesis Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Thomas Gleixner: "A pile of x86 fixes: - Prevent a memory leak in ioperm which was caused by the stupid assumption that the exit cleanup is always called for current, which is not the case when fork fails after taking a reference on the ioperm bitmap. - Fix an arithmething overflow in the DMA code on 32bit systems - Fill gaps in the xstate copy with defaults instead of leaving them uninitialized - Revert: "Make __X32_SYSCALL_BIT be unsigned long" as it turned out that existing user space fails to build" * tag 'x86-urgent-2020-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ioperm: Prevent a memory leak when fork fails x86/dma: Fix max PFN arithmetic overflow on 32 bit systems copy_xstate_to_kernel(): don't leave parts of destination uninitialized x86/syscalls: Revert "x86/syscalls: Make __X32_SYSCALL_BIT be unsigned long"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fix from Thomas Gleixner: "A single scheduler fix preventing a crash in NUMA balancing. The current->mm check is not reliable as the mm might be temporary due to use_mm() in a kthread. Check for PF_KTHREAD explictly" * tag 'sched-urgent-2020-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Don't NUMA balance for kthreads
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from David Miller: "Another week, another set of bug fixes: 1) Fix pskb_pull length in __xfrm_transport_prep(), from Xin Long. 2) Fix double xfrm_state put in esp{4,6}_gro_receive(), also from Xin Long. 3) Re-arm discovery timer properly in mac80211 mesh code, from Linus Lüssing. 4) Prevent buffer overflows in nf_conntrack_pptp debug code, from Pablo Neira Ayuso. 5) Fix race in ktls code between tls_sw_recvmsg() and tls_decrypt_done(), from Vinay Kumar Yadav. 6) Fix crashes on TCP fallback in MPTCP code, from Paolo Abeni. 7) More validation is necessary of untrusted GSO packets coming from virtualization devices, from Willem de Bruijn. 8) Fix endianness of bnxt_en firmware message length accesses, from Edwin Peer. 9) Fix infinite loop in sch_fq_pie, from Davide Caratti. 10) Fix lockdep splat in DSA by setting lockless TX in netdev features for slave ports, from Vladimir Oltean. 11) Fix suspend/resume crashes in mlx5, from Mark Bloch. 12) Fix use after free in bpf fmod_ret, from Alexei Starovoitov. 13) ARP retransmit timer guard uses wrong offset, from Hongbin Liu. 14) Fix leak in inetdev_init(), from Yang Yingliang. 15) Don't try to use inet hash and unhash in l2tp code, results in crashes. From Eric Dumazet" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (77 commits) l2tp: add sk_family checks to l2tp_validate_socket l2tp: do not use inet_hash()/inet_unhash() net: qrtr: Allocate workqueue before kernel_bind mptcp: remove msk from the token container at destruction time. mptcp: fix race between MP_JOIN and close mptcp: fix unblocking connect() net/sched: act_ct: add nat mangle action only for NAT-conntrack devinet: fix memleak in inetdev_init() virtio_vsock: Fix race condition in virtio_transport_recv_pkt drivers/net/ibmvnic: Update VNIC protocol version reporting NFC: st21nfca: add missed kfree_skb() in an error path neigh: fix ARP retransmit timer guard bpf, selftests: Add a verifier test for assigning 32bit reg states to 64bit ones bpf, selftests: Verifier bounds tests need to be updated bpf: Fix a verifier issue when assigning 32bit reg states to 64bit ones bpf: Fix use-after-free in fmod_ret check net/mlx5e: replace EINVAL in mlx5e_flower_parse_meta() net/mlx5e: Fix MLX5_TC_CT dependencies net/mlx5e: Properly set default values when disabling adaptive moderation net/mlx5e: Fix arch depending casting issue in FEC ...
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Nathan Errera authored
With some newer AKMs, the KCK and KEK are bigger, so allow that if the driver advertises support for it. In addition, add a new attribute for the AKM so we can use it for offloaded rekeying. Signed-off-by:
Nathan Errera <nathan.errera@intel.com> [reword commit message] Link: https://lore.kernel.org/r/20200528212237.5eb58b00a5d1.I61b09d77c4f382e8d58a05dcca78096e99a6bc15@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Tova Mussai authored
Set short slot also for 6 GHz band, just like 5 GHz. Signed-off-by:
Tova Mussai <tova.mussai@intel.com> Link: https://lore.kernel.org/r/20200528213443.75f38e6f5efd.I272fbae402b03123f04e9ae69204eeab960c70cd@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Ilan Peer authored
Treat it like the 5 GHz band. Signed-off-by:
Ilan Peer <ilan.peer@intel.com> Link: https://lore.kernel.org/r/20200528213443.889e5c9dd006.Id8ed3bb8000ba8738be5df05639415eb2e23c61a@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
On 6 GHz, stations don't have ht_supported set, but they can still do aggregation since they must have HE, allow that. Link: https://lore.kernel.org/r/20200528213443.776d3c891b64.Ifa099d450617b50c691832b3c4aa08959fab520a@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
On 6 GHz band, HE capabilities must be available for all of the interface types, otherwise we shouldn't use 6 GHz. Check this. Link: https://lore.kernel.org/r/20200528213443.5881cb3c8c4a.I583b54172f91f98d44af64a16c5826fe458cbb27@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
On the 6 GHz band, HE should be used, but without any direct HT/VHT capabilities, instead the HE 6 GHz band capabilities will capture the relevant information. Reject HT/VHT capabilities here. Link: https://lore.kernel.org/r/20200528213443.bfe89c35459a.Ibba5e066fa0087fd49d13cfee89d196ea0c68ae2@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
If a 6 GHz channel exists, then we can probably safely assume that the device actually supports it, and then it should support most bandwidths. This will probably need to be extended to check the interface type and then dig into the HE capabilities for that though, to have the correct bandwidth check. Link: https://lore.kernel.org/r/20200528213443.d4864ef52e92.I82f09b2b14a56413ce20376d09967fe954a033eb@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Ilan Peer authored
On 6 GHz, the 6 GHz capabilities element should be added, do that. Signed-off-by:
Ilan Peer <ilan.peer@intel.com> [add commit message] Link: https://lore.kernel.org/r/20200528213443.8ee764f0cde0.I2b0c66b60e11818c97c9803e04a6a197c6376243@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
In order to handle 6 GHz AP side, take the HE 6 GHz band capability data and pass it to the driver (which needs it for A-MPDU spacing and A-MPDU length). Link: https://lore.kernel.org/r/1589399105-25472-6-git-send-email-rmanohar@codeaurora.orgCo-developed-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Signed-off-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/20200528213443.784e4890d82f.I5f1230d5ab27e84e7bbe88e3645b24ea15a0c146@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Shaul Triebitz authored
An AP supporting EMA (Enhanced Multi-BSSID advertisement) should set bit 83 in the extended capabilities IE (9.4.2.26 in the 802.11ax D5 spec). So the *3rd* bit of the 10th byte should be checked. Also, in one place, the wrong byte was checked. (cfg80211_find_ie returns a pointer to the beginning of the IE, so the data really starts at ie[2], so the 10th byte should be ie[12]. To avoid this confusion, use cfg80211_find_elem instead). Signed-off-by:
Shaul Triebitz <shaul.triebitz@intel.com> Link: https://lore.kernel.org/r/20200528213443.4316121fa2a3.I9745582f8d41ad8e689dac0fefcd70b276d7c1ea@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
Support connecting to HE 6 GHz APs and mesh networks on 6 GHz, where the HT/VHT information is missing but instead the HE 6 GHz band capability is present, and the 6 GHz Operation information field is used to encode the channel configuration instead of the HT/VHT operation elements. Also add some other bits needed to connect to 6 GHz networks. Link: https://lore.kernel.org/r/1589399105-25472-10-git-send-email-rmanohar@codeaurora.orgCo-developed-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Signed-off-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/20200528213443.25687d2695bc.I3f9747c1147480f65445f13eda5c4a5ed4e86757@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
If the AP advertises inconsistent data, namely it has CCFS1 or CCFS2, but doesn't advertise support for 160/80+80 bandwidth or "Extended NSS BW Support", then we cannot use any MCSes in the the higher bandwidth. Thus, avoid connecting with higher bandwidth since it's less efficient that way. Link: https://lore.kernel.org/r/20200528213443.0e55d40c3ccc.I6fd0b4708ebd087e5e46466c3e91f6efbcbef668@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Rajkumar Manoharan authored
As HT/VHT elements are not allowed in 6 GHz band, do not include them in mesh beacon template formation. Signed-off-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/1589399105-25472-9-git-send-email-rmanohar@codeaurora.org Link: https://lore.kernel.org/r/20200528193455.76796-2-johannes@sipsolutions.netSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Rajkumar Manoharan authored
Add 6 GHz operation information (IEEE 802.11ax/D6.0, Figure 9-787k) while building HE operation element for non-HE AP. This field is used to determine channel information in the absence of HT/VHT IEs. Signed-off-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/1589399105-25472-8-git-send-email-rmanohar@codeaurora.org [fix skb allocation size] Link: https://lore.kernel.org/r/20200528193455.76796-1-johannes@sipsolutions.netSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Rajkumar Manoharan authored
Construct HE 6 GHz band capability element (IEEE 802.11ax/D6.0, 9.4.2.261) for association request and mesh beacon. The 6 GHz capability information is passed by driver through iftypes caps. Signed-off-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/1589399105-25472-7-git-send-email-rmanohar@codeaurora.org [handle SMPS, adjust for previous patches, reserve SKB space properly, change to handle SKB directly] Link: https://lore.kernel.org/r/20200528213443.643aa8101111.I3f9747c1147480f65445f13eda5c4a5ed4e86757@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Johannes Berg authored
These capabilities cover what would otherwise be transported in HT/VHT capabilities, but only a subset thereof that is actually needed on 6 GHz with HE already present. Expose the capabilities to userspace, drivers are expected to set them as using the 6 GHz band (currently) requires HE capability. Link: https://lore.kernel.org/r/20200528213443.244cd5cb9db8.Icd8c773277a88c837e7e3af1d4d1013cc3b66543@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Rajkumar Manoharan authored
Handle 6 GHz band capability element parsing for association. Signed-off-by:
Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/1589399105-25472-4-git-send-email-rmanohar@codeaurora.org [some renaming to be in line with previous patches] Link: https://lore.kernel.org/r/20200528213443.a13d7a0b85b0.Ia07584da4fc77aa77c4cc563248d2ce4234ffe5d@changeidSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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