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path: root/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
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* mt76: fix possible out-of-bound access in mt7615_fill_txs/mt7603_fill_txsLorenzo Bianconi2019-11-201-1/+3
| | | | | | | | | | Fix possible out-of-bound access of status rates array in mt7615_fill_txs/mt7603_fill_txs routines Fixes: c5211e997eca ("mt76: mt7603: rework and fix tx status reporting") Fixes: 4af81f02b49c ("mt76: mt7615: sync with mt7603 rate control changes") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: track tx/rx airtime for airtime fairnessLorenzo Bianconi2019-11-201-0/+92
| | | | | | | | | Poll per-station hardware counters available in WTBL after tx/rx status events in order to report tx/rx airtime to mac80211 layer Co-developed-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: introduce mt7615_mac_wtbl_update routineLorenzo Bianconi2019-11-201-5/+11
| | | | | | | | Introduce mt7615_mac_wtbl_update utility routine in order to update WTBL update register Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: fix survey channel busy timeFelix Fietkau2019-11-201-2/+3
| | | | | | | | Like on mt7603, MIB status register 16 tracks CCA time, but does not include tx time. Switch to status register 9 to includ NAV and tx time as well. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: report tx_time, bss_rx and busy time to mac80211Lorenzo Bianconi2019-11-201-2/+24
| | | | | | | | | Report tx time/rx time and obss time from hw mib counters to fill survey info requested by mac80211 Co-developed-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: unify channel survey update codeFelix Fietkau2019-11-201-15/+3
| | | | | | | | Host time is used to calculate the channel active time on mt7603 and mt7615. Use the same on mt76x02 and move the lock to core code to get rid of some duplicated code. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: track rx airtime for airtime fairness and surveyFelix Fietkau2019-11-201-1/+1
| | | | | | | | | Report total rx airtime for valid stations as BSS rx time in survey mt7615 is left out for now, it will be supported later by reading hardware counters instead of calculating airtime in software Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: store current channel survey_state in struct mt76_devFelix Fietkau2019-11-201-1/+1
| | | | | | | Move mt76_channel_state() from mt76.h to mac80211.c Preparation for updating channel state from more places in the drivers/core Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: report rx a-mpdu subframe statusFelix Fietkau2019-11-201-0/+14
| | | | | | | This can be used in monitor mode to figure out which subframes were sent as part of which A-MPDU Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: collect aggregation statsLorenzo Bianconi2019-11-201-0/+18
| | | | | | | | Introduce ampdu_stat entry in mt7615 debugfs in order to dump 802.11 aggr cumulative statistics Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: introduce mt7615_txwi_to_txp utility routineLorenzo Bianconi2019-09-051-6/+2
| | | | | | | | Introduce mt7615_txwi_to_txp utility routine to convert mt76_txwi_cache into mt7615_txp and remove duplicated code Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: fix some checkpatch warningsRyder Lee2019-09-051-1/+2
| | | | | | | | | This fixes the following checkpatch warnings: CHECK: Alignment should match open parenthesis CHECK: No space is necessary after a cast Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: add BIP_CMAC_128 cipher supportLorenzo Bianconi2019-09-051-45/+128
| | | | | | | | | | | | Refactor mt7615_mac_wtbl_set_key and introduce the following routines in order to configure wtbl entries and properly add hw support to BIP_CMAC_128 cipher: - mt7615_mac_wtbl_update_cipher - mt7615_mac_wtbl_update_pk - mt7615_mac_wtbl_update_key Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: enable survey supportLorenzo Bianconi2019-09-051-0/+24
| | | | | | | Introduce channel survey support for mt7615 driver Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: add Smart Carrier Sense supportLorenzo Bianconi2019-09-051-0/+176
| | | | | | | | | | Introduce Smart Carrier Sense support in order to tune device sensitivity according to RTS error rate and False CCA reported by the radio Tested-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: fix some checkpatch warningsRyder Lee2019-09-051-2/+2
| | | | | | | | | | This fixes the following checkpatch warnings: WARNING: Improper SPDX comment style Fix blank lines. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: add 4 WMM sets supportRyder Lee2019-09-051-2/+3
| | | | | | | | Hardware supports 4 sets of WMM that should be put to good use. And fix incorrect queue mapping in mt7615_conf_tx(). Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: add set_key_cmd and mt76_wcid to mt7615_mac_wtbl_set_key signatureLorenzo Bianconi2019-09-051-9/+13
| | | | | | | | | | Introduce set_key_cmd and mt76_wcid pointer to mt7615_mac_wtbl_set_key signature and do not set key to NULL if cmd is DISABLE_KEY. This is a preliminary patch to add BIP_CMAC_128 hw support to mt7615 driver Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: introduce mt7615_mac_wtbl_set_key routineLorenzo Bianconi2019-09-051-1/+50
| | | | | | | | | | Add mt7615_mac_wtbl_set_key routine to configure wtbl key parameter directly from host cpu. This is a preliminary patch to add BIP_CMAC_128 hw support. Moreover add static qualifier to mt7615_mac_get_key_info routine Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: add mt7615_mac_wtbl_addr routineLorenzo Bianconi2019-09-051-1/+6
| | | | | | | | | Introduce mt7615_mac_wtbl_addr rouinte to compute sta wtbl address. This is a preliminary patch to update wtbl key directly from host processor Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: move mt7615_mac_get_key_info in mac.cLorenzo Bianconi2019-09-051-0/+35
| | | | | | | | This is a preliminary patch to update wtbl key directly from host processor Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: fix invalid fallback ratesFelix Fietkau2019-09-051-0/+3
| | | | | | Only decrement the rate index on duplicate rates if it is not already 0 Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: fix PS buffering of action framesFelix Fietkau2019-09-051-1/+1
| | | | | | | Bufferable management frames need to be put in the data queue, otherwise they will not be buffered when the receiver is asleep. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: fix using VHT STBC ratesFelix Fietkau2019-09-051-6/+12
| | | | | | | | | | The hardware expects MT_TX_RATE_NSS to be filled with the number of space/time streams. For non-STBC rates, this is equal to nss. For 1-stream STBC, this needs to be set to 2. This is relevant for VHT rates only, on HT, the value is derived from MCS internally. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: sync with mt7603 rate control changesFelix Fietkau2019-09-051-37/+92
| | | | | | | | | | | | | | | | | | | | | | | - Store the previous and current rate set in the driver + the TSF value at the time of the switch. - Use the tx status TSF value to determine which rate set needs to be used as reference. - Report only short or long GI rates for a single status event, not a mix. - The hardware reports the last used rate index. Use it along with the retry count to figure out what rate was used for the first attempt. - Use the same retry count value for all rate slots to make this calculation work. - Derive the probe rate from the current rateset instead of the skb cb - Do not wait for a status report for the probe frame before removing the probe rate from the rate table. Do it immediately after it was referenced in a tx status report. - Use the first half of the first rate retry budget for the probe rate in order to avoid using too many retries on that rate - Switch from lower rates to higher rates more conservatively - enable hardware rate up/down selection Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: reset rate index/counters on rate table updateFelix Fietkau2019-09-051-1/+4
| | | | | | | | These values must be initialized to zero, otherwise the hardware could reuse previous values, especially the rate index Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: move mt7615_mcu_set_rates to mac.cFelix Fietkau2019-09-051-5/+95
| | | | | | | | It bypasses the MCU, so it does not belong in mcu.c Also make mt7615_mac_tx_rate_val static Reviewed-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: add hw dfs pattern detector supportLorenzo Bianconi2019-09-051-0/+88
| | | | | | | | Add hw radar detection support to mt7615 driver in order to unlock dfs channels on 5GHz band Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: add support for per-chain signal strength reportingRyder Lee2019-06-271-1/+21
| | | | | | | Fill in RX status->chain_signal to avoid empty value. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: Remove set but not used variables 'pid' and 'final_mpdu'YueHaibing2019-06-271-4/+1
| | | | | | | | | | | | | | | | Fixes gcc '-Wunused-but-set-variable' warnings: drivers/net/wireless/mediatek/mt76/mt7603/mac.c: In function mt7603_fill_txs: drivers/net/wireless/mediatek/mt76/mt7603/mac.c:969:5: warning: variable pid set but not used [-Wunused-but-set-variable] drivers/net/wireless/mediatek/mt76/mt7603/mac.c:961:7: warning: variable final_mpdu set but not used [-Wunused-but-set-variable] drivers/net/wireless/mediatek/mt76/mt7615/mac.c: In function mt7615_fill_txs: drivers/net/wireless/mediatek/mt76/mt7615/mac.c:555:5: warning: variable pid set but not used [-Wunused-but-set-variable] drivers/net/wireless/mediatek/mt76/mt7615/mac.c:552:19: warning: variable final_mpdu set but not used [-Wunused-but-set-variable] They are never used, so can be removed. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: move mt76_get_rate in mt76-moduleLorenzo Bianconi2019-06-271-27/+3
| | | | | | | | Move mt7603_get_rate in mac80211.c and rename it to mt76_get_rate since it is shared between mt7603 and mt7615 drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: move mt76_insert_ccmp_hdr in mt76-moduleLorenzo Bianconi2019-06-271-24/+1
| | | | | | | | | Move mt7615_insert_ccmp_hdr in mac80211.c and rename it in mt76_insert_ccmp_hdr since it is shared between mt7603 and mt7615 drivers Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: mt7615: do not process rx packets if the device is not initializedLorenzo Bianconi2019-06-251-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following crash that occurs when the driver is processing rx packets while the device is not initialized yet $ rmmod mt7615e [ 67.210261] mt7615e 0000:01:00.0: Message -239 (seq 2) timeout $ modprobe mt7615e [ 72.406937] bus=0x1, slot = 0x0, irq=0x16 [ 72.436590] CPU 0 Unable to handle kernel paging request at virtual address 00000004, epc == 8eec4240, ra == 8eec41e0 [ 72.450291] mt7615e 0000:01:00.0: Firmware is not ready for download [ 72.457724] Oops[#1]: [ 72.470494] mt7615e: probe of 0000:01:00.0 failed with error -5 [ 72.474829] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.114 #0 [ 72.498702] task: 805769e0 task.stack: 80564000 [ 72.507709] $ 0 : 00000000 00000001 00000000 00000001 [ 72.518106] $ 4 : 8f704dbc 00000000 00000000 8f7046c0 [ 72.528500] $ 8 : 00000024 8045e98c 81210008 11000000 [ 72.538895] $12 : 8fc09f60 00000008 00000019 00000033 [ 72.549289] $16 : 8f704d80 e00000ff 8f0c7800 3c182406 [ 72.559684] $20 : 00000006 8ee615a0 4e000108 00000000 [ 72.570078] $24 : 0000004c 8000cf94 [ 72.580474] $28 : 80564000 8fc09e38 00000001 8eec41e0 [ 72.590869] Hi : 00000001 [ 72.596582] Lo : 00000000 [ 72.602319] epc : 8eec4240 mt7615_mac_fill_rx+0xac/0x494 [mt7615e] [ 72.614953] ra : 8eec41e0 mt7615_mac_fill_rx+0x4c/0x494 [mt7615e] [ 72.627580] Status: 11008403 KERNEL EXL IE [ 72.635899] Cause : 40800008 (ExcCode 02) [ 72.643860] BadVA : 00000004 [ 72.649573] PrId : 0001992f (MIPS 1004Kc) [ 72.657704] Modules linked in: mt7615e pppoe ppp_async pppox ppp_generic nf_conntrack_ipv6 mt76x2e mt76x2_common mt76x02_lib mt7603e mt76 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_mu] [ 72.792717] Process swapper/0 (pid: 0, threadinfo=80564000, task=805769e0, tls=00000000) [ 72.808799] Stack : 8f0c7800 00000800 8f0c7800 8032b874 00000000 40000000 8f704d80 8ee615a0 [ 72.825428] 8dc88010 00000001 8ee615e0 8eec09b0 8dc88010 8032b914 8f3aee80 80567d20 [ 72.842055] 00000000 8ee615e0 40000000 8f0c7800 00000108 8eec9944 00000000 00000000 [ 72.858682] 80508f10 80510000 00000001 80567d20 8ee615a0 00000000 00000000 8ee61c00 [ 72.875308] 8ee61c40 00000040 80610000 80580000 00000000 8ee615dc 8ee61a68 00000001 [ 72.891936] ... [ 72.896793] Call Trace: [ 72.901649] [<8eec4240>] mt7615_mac_fill_rx+0xac/0x494 [mt7615e] [ 72.913602] [<8eec09b0>] mt7615_queue_rx_skb+0xe4/0x12c [mt7615e] [ 72.925734] [<8eec9944>] mt76_dma_cleanup+0x390/0x42c [mt76] [ 72.936988] Code: ae020018 8ea20004 24030001 <94420004> a602002a 8ea20004 90420000 14430003 a2020034 [ 72.956390] [ 72.959676] ---[ end trace f176967739edb19f ]--- Fixes: 04b8e65922f6 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: fix endianness sparse warningsRyder Lee2019-05-011-6/+6
| | | | | | | | | Fix many warnings with incorrect endian assumptions. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com Signed-off-by: Felix Fietkau <nbd@nbd.name>
* mt76: add mac80211 driver for MT7615 PCIe-based chipsetsRyder Lee2019-05-011-0/+775
This driver is for a newer generation of MediaTek MT7615 4x4 802.11ac PCIe-based chipsets, which support wave2 MU-MIMO up to 4 users/group and also support up to 160MHz bandwidth. The driver fully supports AP, station and monitor mode. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Roy Luo <royluo@google.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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