- 21 Aug, 2019 40 commits
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Reviewed-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by:
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David S. Miller authored
Merge tag 'mac80211-next-for-davem-2019-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg: ==================== Here are a few groups of changes: * EDMG channel support (60 GHz, just a single patch) * initial 6/7 GHz band support (Arend) * association timestamp recording (Ben) * rate control improvements for better performance with the mt76 driver (Felix) * various fixes for previous HE support changes (John) ==================== Signed-off-by:
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David S. Miller authored
Ido Schimmel says: ==================== mlxsw: Add devlink-trap support This patchset adds devlink-trap support in mlxsw. Patches #1-#4 add the necessary APIs and defines in mlxsw. Patch #5 implements devlink-trap support for layer 2 drops. More drops will be added in the future. Patches #6-#7 add selftests to make sure that all the new code paths are exercised and that the feature is working as expected. ==================== Signed-off-by: -
Ido Schimmel authored
Test generic devlink-trap functionality over mlxsw. These tests are not specific to a single trap, but do not check the devlink-trap common infrastructure either. Currently, the only test case is device deletion (by reloading the driver) while packets are being trapped. Signed-off-by:
Ido Schimmel <idosch@mellanox.com> Signed-off-by:
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Ido Schimmel authored
Test that each supported packet trap is triggered under the right conditions and that packets are indeed dropped and not forwarded. Signed-off-by:
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Ido Schimmel authored
Register supported packet traps (layer 2 drops only, currently) and associated trap group with devlink during driver initialization. The amount of traffic generated by these packet drop traps is capped at 10Kpps to ensure the CPU is not overwhelmed by incoming packets. Signed-off-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
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Ido Schimmel authored
Discard trap groups are defined in a different enum so that they could all share the same policer ID: MLXSW_REG_HTGT_TRAP_GROUP_MAX + 1. Signed-off-by:
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Ido Schimmel authored
Add the trap IDs used to report layer 2 drops. Signed-off-by:
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Ido Schimmel authored
Subsequent patches will add discard traps support in mlxsw. The driver cannot configure such traps with a normal trap action, but needs to use exception trap action, which also increments an error counter. On the other hand, when these traps are initialized or set to drop action, they should use the default drop action set by the firmware. This guarantees that when the feature is disabled we get the exact same behavior as before the feature was introduced. Signed-off-by:
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Ido Schimmel authored
Up until now the action of a trap was never changed during its lifetime. This is going to change by subsequent patches that will allow devlink to control the action of certain traps. Signed-off-by:
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Felix Fietkau authored
On some devices that only support static rate fallback tables sending rate control probing packets can be really expensive. Probing lower rates can already hurt throughput quite a bit. What hurts even more is the fact that on mt76x0/mt76x2, single probing packets can only be forced by directing packets at a different internal hardware queue, which causes some heavy reordering and extra latency. The reordering issue is mainly problematic while pushing lots of packets to a particular station. If there is little activity, the overhead of probing is neglegible. The static fallback behavior is designed to pretty much only handle rate control algorithms that use only a very limited set of rates on which the algorithm switches up/down based on packet error rate. In order to better support that kind of hardware, this patch implements a different approach to rate probing where it switches to a slightly higher rate, waits for tx status feedback, then updates the stats and switches back to the new max throughput rate. This only triggers above a packet rate of 100 per stats interval (~50ms). For that kind of probing, the code has to reduce the set of probing rates a lot more compared to single packet probing, so it uses only one packet per MCS group which is either slightly faster, or as close as possible to the max throughput rate. This allows switching between similar rates with different numbers of streams. The algorithm assumes that the hardware will work its way lower within an MCS group in case of retransmissions, so that lower rates don't have to be probed by the high packets per second rate probing code. To further reduce the search space, it also does not probe rates with lower channel bandwidth than the max throughput rate. At the moment, these changes will only affect mt76x0/mt76x2. Signed-off-by:
Felix Fietkau <nbd@nbd.name> Link: https://lore.kernel.org/r/20190820095449.45255-4-nbd@nbd.nameSigned-off-by:
Johannes Berg <johannes.berg@intel.com>
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Felix Fietkau authored
Use the first supported rate instead of 0 (which can be invalid) Signed-off-by:
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Felix Fietkau authored
On hardware with static fallback tables (e.g. mt76x2), rate probing attempts can be very expensive. On such devices, avoid sampling rates slower than the per-group max throughput rate, based on the assumption that the fallback table will take care of probing lower rates within that group if the higher rates fail. To further reduce unnecessary probing attempts, skip duplicate attempts on rates slower than the max throughput rate. Signed-off-by:
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Felix Fietkau authored
The group number needs to be multiplied by the number of rates per group to get the full rate index Fixes: 5935839a ("mac80211: improve minstrel_ht rate sorting by throughput & probability") Signed-off-by:
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Alexei Avshalom Lazar authored
802.11ay specification defines Enhanced Directional Multi-Gigabit (EDMG) STA and AP which allow channel bonding of 2 channels and more. Introduce new NL attributes that are needed for enabling and configuring EDMG support. Two new attributes are used by kernel to publish driver's EDMG capabilities to the userspace: NL80211_BAND_ATTR_EDMG_CHANNELS - bitmap field that indicates the 2.16 GHz channel(s) that are supported by the driver. When this attribute is not set it means driver does not support EDMG. NL80211_BAND_ATTR_EDMG_BW_CONFIG - represent the channel bandwidth configurations supported by the driver. Additional two new attributes are used by the userspace for connect command and for AP configuration: NL80211_ATTR_WIPHY_EDMG_CHANNELS NL80211_ATTR_WIPHY_EDMG_BW_CONFIG New rate info flag - RATE_INFO_FLAGS_EDMG, can be reported from driver and used for bitrate calculation that will take into account EDMG according to the 802.11ay specification. Signed-off-by:
Alexei Avshalom Lazar <ailizaro@codeaurora.org> Link: https://lore.kernel.org/r/1566138918-3823-2-git-send-email-ailizaro@codeaurora.orgSigned-off-by:
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John Crispin authored
he_spr_ie_elem is dereferenced before the NULL check. fix this by moving the assignment after the check. fixes commit 697f6c50 ("mac80211: propagate HE operation info into bss_conf") This was reported by the static code checker. Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20190813070712.25509-1-john@phrozen.orgSigned-off-by:
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Ben Greear authored
Report timestamp for when sta becomes associated. Signed-off-by:
Ben Greear <greearb@candelatech.com> Link: https://lore.kernel.org/r/20190809180001.26393-2-greearb@candelatech.com [fix ktime_get_boot_ns() to ktime_get_boottime_ns(), assoc_at type to u64] Signed-off-by:
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Ben Greear authored
Report timestamp of when sta became associated. This is the boottime clock, units are nano-seconds. Signed-off-by:
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Arend van Spriel authored
For the new 6GHz band the same rules apply for mandatory rates so add it to set_mandatory_flags_band() function. Reviewed-by:
Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by:
Leon Zegers <leon.zegers@broadcom.com> Signed-off-by:
Arend van Spriel <arend.vanspriel@broadcom.com> Link: https://lore.kernel.org/r/1564745465-21234-9-git-send-email-arend.vanspriel@broadcom.comSigned-off-by:
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Arend van Spriel authored
The default mandatory rates, ie. when not specified by user-space, is determined by the band. Select 11a rateset for 6GHz band. Reviewed-by:
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Arend van Spriel authored
The function cfg80211_ir_permissive_chan() is applicable for 6GHz band as well so make sure it is handled. Reviewed-by:
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Arend van Spriel authored
In nl80211.c there is a policy for all bands in NUM_NL80211_BANDS and in trace.h there is a callback trace for multicast rates which is per band in NUM_NL80211_BANDS. Both need to be extended for the new NL80211_BAND_6GHZ. Reviewed-by:
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Arend van Spriel authored
Add 6GHz operating class range as defined in 802.11ax D4.1 Annex E. Reviewed-by:
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Arend van Spriel authored
Extend the functions ieee80211_channel_to_frequency() and ieee80211_frequency_to_channel() to support 6GHz band according specification in 802.11ax D4.1 27.3.22.2. Reviewed-by:
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Arend van Spriel authored
For the new 6GHz there are new UNII band definitions as listed in the FCC notice [1]. [1] https://docs.fcc.gov/public/attachments/FCC-18-147A1_Rcd.pdfReviewed-by:
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Arend van Spriel authored
In the 802.11ax specification a new band is introduced, which is also proposed by FCC for unlicensed use. This band is referred to as 6GHz spanning frequency range from 5925 to 7125 MHz. Reviewed-by:
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John Crispin authored
The code generating the Tx Radiotap header when using tx_status_ext was missing a field increment after setting the VHT bandwidth. Fixes: 3d07ffca ("mac80211: add struct ieee80211_tx_status support to ieee80211_add_tx_radiotap_header") Signed-off-by:
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