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e9d875a537
Update ath10k-ct to commit 9e5ab25027e0971fa24ccf93373324c08c4e992d git log --pretty=oneline --abbrev-commit f0aa8130..9e5ab250 9e5ab25 ath10k-ct: Update to latest 5.2 upstream, support bigger mtu, 160Mhz Created with the help of the make-package-update-commit.sh script and refresh patches. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
82 lines
6.4 KiB
Diff
82 lines
6.4 KiB
Diff
From cc8ec75f5ad4acf9babe5e26a10c9bca10624593 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sun, 18 Aug 2019 15:33:51 +0200
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Subject: [PATCH] ath10k: Check if station exists before forwarding tx airtime
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report
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It looks like the FW on QCA9984 already reports the tx airtimes before
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the station is added to the peer entry. The peer entry is created in
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ath10k_peer_map_event() just with the vdev_id and the ethaddr, but
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not with a station entry, this is added later in ath10k_peer_create() in
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callbacks from mac80211.
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When there is no sta added to the peer entry, this function fails
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because it calls ieee80211_sta_register_airtime() with NULL.
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This was reported in OpenWrt some time ago:
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https://bugs.openwrt.org/index.php?do=details&task_id=2414
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This commit should fix this crash:
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[ 75.991714] Unable to handle kernel paging request at virtual address fffff9e8
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[ 75.991756] pgd = c0204000
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[ 75.997955] [fffff9e8] *pgd=5fdfd861, *pte=00000000, *ppte=00000000
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[ 76.000537] Internal error: Oops: 37 [#1] SMP ARM
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[ 76.006686] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core ath pptp pppox ppp_mppe ppp_generic mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_esp xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY usbserial slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack_netlink iptable_raw iptable_mangle iptable_filter ipt_ah ipt_ECN ip_tables crc_ccitt compat chaoskey fuse sch_cake sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32
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[ 76.059974] cls_tcindex cls_route cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred ledtrig_usbport xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6t_NPT ip6t_MASQUERADE nf_nat_masquerade_ipv6 nf_nat nf_conntrack nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 msdos ip_gre gre ifb sit tunnel4 ip_tunnel tun vfat fat hfsplus cifs nls_utf8 nls_iso8859_15 nls_iso8859_1 nls_cp850 nls_cp437 nls_cp1250 sha1_generic md5 md4
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[ 76.130634] usb_storage leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple ohci_platform ohci_hcd phy_qcom_dwc3 ahci ehci_platform sd_mod ahci_platform libahci_platform libahci libata scsi_mod ehci_hcd gpio_button_hotplug ext4 mbcache jbd2 exfat crc32c_generic
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[ 76.154772] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.132 #0
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[ 76.177001] Hardware name: Generic DT based system
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[ 76.182990] task: c0b06d80 task.stack: c0b00000
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[ 76.187832] PC is at ieee80211_sta_register_airtime+0x24/0x148 [mac80211]
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[ 76.192211] LR is at ath10k_htt_t2h_msg_handler+0x678/0x10f4 [ath10k_core]
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[ 76.199052] pc : [<bf75bfac>] lr : [<bf83e8b0>] psr: a0000113
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[ 76.205820] sp : c0b01d54 ip : 00000002 fp : bf869c0c
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[ 76.211981] r10: 0000003c r9 : dbdca138 r8 : 00060002
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[ 76.217192] r7 : 00000000 r6 : dabe1150 r5 : 00000000 r4 : dbdc95c0
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[ 76.222401] r3 : 00000000 r2 : 00060002 r1 : 00000000 r0 : 00000000
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[ 76.229003] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
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[ 76.235509] Control: 10c5787d Table: 5c94006a DAC: 00000051
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[ 76.242716] Process swapper/0 (pid: 0, stack limit = 0xc0b00210)
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[ 76.248446] Stack: (0xc0b01d54 to 0xc0b02000)
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[ 76.254532] 1d40: dbdc95c0 00000000 dabe1150
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[ 76.258808] 1d60: 00000001 dabe1150 dbdca138 0000003c bf869c0c bf83e8b0 00000002 c0314b10
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[ 76.266969] 1d80: dbdc9c70 00000001 00000001 dabe114c 00010000 00000000 dbdcd724 bf88f3d8
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[ 76.275126] 1da0: c0310d28 db393c00 dbdc95c0 00000000 c0b01dd0 c07fb4c4 dbdcd724 00000001
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[ 76.283286] 1dc0: 00000022 bf88b09c db393c00 00000022 c0b01dd0 c0b01dd0 00000000 dbdcc5c0
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[ 76.291445] 1de0: bf88f04c dbdcd654 dbdcd71c dbdc95c0 00000014 dbdcd724 dbdcc5c0 00000005
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[ 76.299605] 1e00: 0004b400 bf85c360 00000000 bf87101c c0b01e24 00000006 00000000 dbdc95c0
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[ 76.307764] 1e20: 00000001 00000040 0000012c c0b01e80 1cf51000 bf85c448 dbdcd440 dbdc95c0
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[ 76.315925] 1e40: dbdca440 ffffa880 00000040 bf88cb68 dbdcd440 00000001 00000040 ffffa880
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[ 76.324084] 1e60: c0b02d00 c06d72e0 dd990080 c0a3f080 c0b255dc c0b047e4 c090afac c090e80c
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[ 76.332244] 1e80: c0b01e80 c0b01e80 c0b01e88 c0b01e88 dd4cc200 00000000 00000003 c0b0208c
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[ 76.340405] 1ea0: c0b02080 40000003 ffffe000 00000100 c0b02080 c03015c8 00000000 00000001
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[ 76.348564] 1ec0: dd408000 c0a38210 c0b2c7c0 0000000a ffffa880 c0b02d00 c07fb764 00200102
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[ 76.356723] 1ee0: dd4cc268 c0a3e414 00000000 00000000 00000001 dd408000 de803000 00000000
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[ 76.364883] 1f00: 00000000 c03247cc c0a3e414 c0368f1c c0b03f60 c0b153cc de80200c de802000
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[ 76.373042] 1f20: c0b01f48 c0301488 c0308630 60000013 ffffffff c0b01f7c 00000000 c0b00000
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[ 76.381204] 1f40: 00000000 c030c08c 00000001 00000000 00000000 c0315180 ffffe000 c0b03cc0
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[ 76.389363] 1f60: c0b03c70 00000000 00000000 c0a2da28 00000000 00000000 c0b01f90 c0b01f98
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[ 76.397522] 1f80: c030862c c0308630 60000013 ffffffff 00000051 00000000 ffffe000 c035dd18
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[ 76.405681] 1fa0: 000000bf c0b03c40 00000000 c0b2c000 dddfce80 c035e060 c0b2c040 c0a00cf4
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[ 76.413842] 1fc0: ffffffff ffffffff 00000000 c0a0067c c0a2da28 00000000 00000000 c0b2c1d4
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[ 76.422001] 1fe0: c0b03c5c c0a2da24 c0b07ee0 4220406a 512f04d0 4220807c 00000000 00000000
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[ 76.430335] [<bf75bfac>] (ieee80211_sta_register_airtime [mac80211]) from [<00000002>] (0x2)
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[ 76.438314] Code: e1cd81f0 e1a08002 e1cda1f8 e58de020 (e5102618)
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[ 76.446965] ---[ end trace 227a38ade964d642 ]---
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Fixes: bb31b7cb106c ("ath10k: report tx airtime provided by fw")
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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--- a/ath10k-5.2/htt_rx.c
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+++ b/ath10k-5.2/htt_rx.c
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@@ -2497,7 +2497,7 @@ do_generic:
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spin_lock_bh(&ar->data_lock);
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peer = ath10k_peer_find_by_id(ar, peer_id);
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- if (!peer) {
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+ if (!peer || !peer->sta) {
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spin_unlock_bh(&ar->data_lock);
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rcu_read_unlock();
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continue;
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