- 27 Jun, 2019 6 commits
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Lorenzo Bianconi authored
Calibration data are often available on a specific mtd partition on embedded devices. Take into account eeprom calibration data if available. Signed-off-by:
Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by:
Felix Fietkau <nbd@nbd.name>
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Lorenzo Bianconi authored
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:
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Felix Fietkau authored
To avoid aggregating rate control probing packets with other traffic, and to ensure that the probing rate gets used, probing packets get assigned a different internal queueing priority. This causes packets to be transmitted in a different order, which is compensated by the receiver side reordering. However, if A-MPDU is disabled, this reordering can become visible to upper layers on the receiver side. Disable the priority change if A-MPDU is disabled. Signed-off-by: -
Felix Fietkau authored
When the hardware falls back to lower rates for a transmit attempt, only the first status report will show the number of retries correctly. The frames that follow will report the correct final rate, but number of retries set to 0. This can cause the rate control module to vastly underestimate the number of retransmissions per rate. To fix this, we need to keep track of the initial requested tx rate per packet and pass it to the status information. For frames with tx status requested, this is simple: use the rate configured in info->control.rates[0] as reference. For no-skb tx status information, we have to encode the requested tx rate in the packet id (and make it possible to distinguish it from real packet ids). To do that, reduce the packet id field size by one bit, and use that bit to indicate packet id vs rate. This change also improves reporting by filling the status rate array with rates from first rate to final rate, taking the same steps as the hardware fallback table. This matters in corner cases like MCS8 on HT, where the fallback target is MCS0, not MCS7. Signed-off-by: -
Felix Fietkau authored
When setting chan->max_power after registering the wiphy, chan->max_reg_power needs to be used as a limit Signed-off-by: -
Felix Fietkau authored
For the external PA (TSSI OFF) case, the target power needs to be read from a different location in EEPROM Signed-off-by:
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- 25 Jun, 2019 34 commits
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Lorenzo Bianconi authored
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: 04b8e659 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets") Signed-off-by:
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Lorenzo Bianconi authored
Use 0600 as edcca file permission in mt76x02 debugfs Fixes: 643749d4 ("mt76: mt76x02: disable ED/CCA by default") Signed-off-by:
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Lorenzo Bianconi authored
Introduce a knob in mt7603 debugfs in order to enable/disable energy detection based on CCA thresholds Signed-off-by:
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Lorenzo Bianconi authored
Run mt76x02_edcca_init atomically in mt76_edcca_set since it runs concurrently with calibration work and mt76x2_set_channel. Moreover perform phy calibration atomically Signed-off-by:
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Lorenzo Bianconi authored
This is a preliminary patch to run mt76x02_edcca_init atomically Signed-off-by:
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Lorenzo Bianconi authored
Remove mt76x02_edcca_init in mt76x2u_set_channel since it is already run by mt76x2u_phy_channel_calibrate performing channel calibration Signed-off-by:
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Lorenzo Bianconi authored
Remove enable parameter from mt76x02_edcca_init routine signature since it is always true Signed-off-by:
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Lorenzo Bianconi authored
Make mt7615_rx_poll_complete static since it is used just in pci.c to initialize rx_poll_complete function pointer Signed-off-by:
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Lorenzo Bianconi authored
Cleanup tx/rx napi before releasing pending idrs. Moreover unmap txwi_cache running mt76_free_device routine Signed-off-by:
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Lorenzo Bianconi authored
Suspend data transmission during channel switch Signed-off-by:
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Lorenzo Bianconi authored
Run __mt76_mcu_send_msg instead of __mt7615_mcu_msg_send and remove duplicated code. Signed-off-by:
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Lorenzo Bianconi authored
Use common function wrapper in mt7615_mcu_exit since the code is shared with m7603 driver Signed-off-by:
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Lorenzo Bianconi authored
Use __mt76_mcu_send_msg wrapper instead of mt7615_mcu_msg_send. This is a preliminary patch for mt7615-mt7603 mcu code unification Signed-off-by:
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Lorenzo Bianconi authored
Use mt76 common signature for mt7615_mcu_msg_send. Move skb allocation in mt7615_mcu_msg_send and remove duplicated code. Remove __mt7615_mcu_set_wtbl and __mt7615_mcu_set_sta_rec since now are used just to send mcu msgs. This is a preliminary patch for mt7615-mt7603 mcu code unification Signed-off-by:
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Lorenzo Bianconi authored
Remove following struct no longer used: - dev_info - bss_info - bss_info_tag_handler Signed-off-by:
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Lorenzo Bianconi authored
Remove function pointers in mt7615_mcu_set_bss_info and run function directly. Moreover remove __mt7615_mcu_set_bss_info since it is run just by mt7615_mcu_set_bss_info and remove duplicated istructions Signed-off-by:
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Lorenzo Bianconi authored
Unify mt7615_mcu_set_dev_info and __mt7615_mcu_set_dev_info since the latter is run just by mt7615_mcu_set_dev_info Signed-off-by:
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Lorenzo Bianconi authored
Remove skb_ret parameter from mt7615_mcu_msg_send signature since it is actually used just by mt7615_mcu_patch_sem_ctrl. This is a prelimanry patch to use mt76 common mcu API Signed-off-by:
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Lorenzo Bianconi authored
Remove dest parameter from mt7615_mcu_msg_send/__mt7615_mcu_msg_send routine signature since it can is always set to MCU_S2D_H2N Signed-off-by:
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Lorenzo Bianconi authored
Remove query parameter from mt7615_mcu_msg_send routine signature since it can be obtained from cmd value Signed-off-by:
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Lorenzo Bianconi authored
Remove unused vif parameter in mt7615_mcu_del_wtbl signature Signed-off-by:
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Lorenzo Bianconi authored
Remove duplicated code in mt7615_bss_info_changed Signed-off-by:
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Lorenzo Bianconi authored
Use proper mcu message size in mt7615_mcu_add_wtbl and do not allocate a huge buffer. Moreover use stack memory instead of heap one Signed-off-by:
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Lorenzo Bianconi authored
Use proper mcu message size in mt7615_mcu_add_wtbl_bmc and do not allocate a huge buffer. Moreover use stack memory instead of heap one Signed-off-by:
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Lorenzo Bianconi authored
Remove bss_info_convert_vif_type routine since it is run just in mt7615_mcu_set_bss_info and the switch over vif->type is already there. Simplify mt7615_mcu_set_bss_info routine Signed-off-by:
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Lorenzo Bianconi authored
Do not loop over cmd payload in __mt7615_mcu_set_sta_rec since it is already done in before running __mt7615_mcu_set_sta_rec (e.g. mt7615_mcu_set_sta_rec) Signed-off-by:
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Lorenzo Bianconi authored
Do not loop over cmd payload in __mt7615_mcu_set_wtbl since it is already done in before running __mt7615_mcu_set_wtbl (e.g. mt7615_mcu_set_wtbl_key) Signed-off-by:
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YueHaibing authored
Fix sparse warning: drivers/net/wireless/mediatek/mt76/mt7615/pci.c:37:13: warning: symbol 'mt7615_irq_handler' was not declared. Should it be static? Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Signed-off-by:
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Dan Carpenter authored
We dereference "skb" when we assign: req.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len); ^^^^^^^^ So this patch just moves the dev_kfree_skb() down a bit to avoid the use after free. Fixes: 04b8e659 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets") Signed-off-by:Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
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Dan Carpenter authored
The problem is that "mvif->omac_idx" is a u8 so it can't be negative and the error handling won't work. The get_omac_idx() function returns -1 on error. Fixes: 04b8e659 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets") Signed-off-by:
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Lorenzo Bianconi authored
Move netif_napi_del in mt76_dma_cleanup routine since it is done by all drivers Signed-off-by:
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Lorenzo Bianconi authored
This allows tx scheduling and tx cleanup to run concurrently Signed-off-by:
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Lorenzo Bianconi authored
This allows tx scheduling and tx cleanup to run concurrently Signed-off-by:
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Lorenzo Bianconi authored
Move tx_napi in mt76_dev data structure in order to implement concurrency between tx scheduling and tx cleanup in mt7603 and mt7615 drivers Signed-off-by:
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