fix zte e8820s wan interface not working #1
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Signed-off-by: Jerry <i@jerryzone.cn>
siwind
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Jun 20, 2025
Add missing function reference for the l2_hash_seed call in rtl931x_reg in the rtl83xx DSA driver part. While at it, rename the referenced function to proper naming convention and simplify its content. The missing reference causes a hard crash after a short time (on MS510TXM) because the driver assumes the reference always exists. [ 111.785559] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 00000000, ra == 805469a0 [ 111.800991] Oops[#1]: [ 111.801026] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G O 6.12.33 #0 [ 111.801046] Workqueue: dsa_ordered dsa_slave_switchdev_event_work ... [ 111.880600] epc : 00000000 0x0 [ 111.884219] ra : 805469a0 rtl83xx_port_fdb_add+0x7c/0x204 [ 111.890570] Status: 11000403 KERNEL EXL IE [ 111.895263] Cause : 50800008 (ExcCode 02) [ 111.899731] BadVA : 00000000 [ 111.902946] PrId : 0001a120 (MIPS interAptiv (multi)) [ 111.956086] Process kworker/u8:0 (pid: 11, threadinfo=0b107c25, task=265aeb31, tls=00000000) ... [ 112.015167] Call Trace: [ 112.019549] [<80170b04>] load_balance+0x494/0x708 [ 112.025022] [<807bb368>] dsa_port_do_fdb_add+0x24c/0x340 [ 112.031048] [<807bc868>] dsa_switch_event+0xd44/0x13cc [ 112.036845] [<8015867c>] raw_notifier_call_chain+0x48/0x88 [ 112.043031] [<807bcf3c>] dsa_tree_notify+0x10/0x3c [ 112.048395] [<807b2a64>] dsa_port_bridge_host_fdb_add+0x15c/0x190 [ 112.055459] [<807b4e40>] dsa_slave_switchdev_event_work+0x164/0x1cc ... Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com> Link: openwrt#19170 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
siwind
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Aug 9, 2025
The ix4-200d is a 4 bay NAS supported since OpenWrt 23.05. Drive trays controller. Due to a kernel-related issue with the SATA controller, trays #1 and openwrt#2 were not recognized. This issue has been fixed in kernel 6.10, so with the adoption of kernel 6.12 in the Kirkwood target trays #1 and openwrt#2 can now be made accessible. This requires the kmod-ata-ahci package, which this commit adds as default to the makefile. Signed-off-by: Sander van Deijck <sander@vandeijck.com> Link: openwrt#19435 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
siwind
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Oct 26, 2025
Booting Realtek switches via TFTP will have a chance of ~5% to fail with the following dump on SMP devices. Sample taken from RTL931x. [ 1.318320] rtl931x_chip_init: init ENCAP done [ 1.323360] rtl931x_chip_init: init MIB done [ 1.328337] rtl931x_chip_init: init ACL done [ 1.333219] rtl931x_chip_init: init ALE done [ 1.344307] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 00000000, ra == 806c5c4c [ 1.356418] Oops[#1]: [ 1.359067] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.40 #0 [ 1.366582] Hardware name: Linksys LGS352C [ 1.371226] $ 0 : 00000000 00000001 00000000 80b6cc44 [ 1.377179] $ 4 : 836b0540 00000000 00000000 83011d38 [ 1.383119] $ 8 : 00000000 ffffefff 00000001 80b08c08 [ 1.389071] $12 : ffffffea 83011d34 0000007 00000558 [ 1.395060] $16 : 836b0540 00000000 00000100 83011ebf [ 1.401003] $20 : 83011ec0 83011ec8 ffff8b3c 80b00000 [ 1.406984] $24 : 00000000 80b08c38 [ 1.412922] $28 : 83038000 83011e70 82fb37a0 806c5c4c [ 1.418888] Hi : 0000014b [ 1.422201] Lo : c74d8000 [ 1.425490] epc : 00000000 0x0 [ 1.429191] ra : 806c5c4c __napi_poll+0x4c/0x208 [ 1.434728] Status: 11000403 KERNEL EXL IE [ 1.439497] Cause : 50800008 (ExcCode 02) [ 1.444040] BadVA : 00000000 [ 1.447330] PrId : 0001a120 (MIPS interAptiv (multi)) [ 1.453157] Modules linked in: [ 1.456641] Process swapper/0 (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=00000000) [ 1.465742] Stack : 82faf248 80a8d558 817ed500 ffff8b3a 836b0540 8066a348 82fb2bc0 836b0540 [ 1.475209] 82fb3600 00000100 0000012c 806c6274 00000000 00000017 00000002 80196134 [ 1.484701] 80b00000 83011ed0 83011eb8 83011e00 83011ec0 83011ec0 83011ec8 83011ec8 [ 1.494233] 00000001 81920000 81920000 80aefe4c 836b0000 00000000 00000000 00000001 [ 1.503686] 00000100 00000000 83011f20 80aefde0 00000000 8019ac14 80b01550 00000000 [ 1.513144] ... [ 1.515957] Call Trace: [ 1.515996] [ 1.520458] [<8066a348>] rtl93xx_net_irq+0x1a4/0x1ac [ 1.526116] [<806c6274>] net_rx_action+0x18c/0x360 [ 1.531576] [<80196134>] __handle_irq_event_percpu+0x58/0x16c [ 1.538111] [<8019ac14>] handle_level_irq+0x1e0/0x1f4 [ 1.543870] [<80133588>] handle_softirqs+0x14c/0x2ec [ 1.549488] [<801339e4>] irq_exit+0x84/0xb4 [ 1.554183] [<805527dc>] plat_irq_dispatch+0x90/0xdc [ 1.559764] [<801019f0>] except_vec_vi_end+0xc4/0xd0 [ 1.565337] A network interrupt may be received before the device is setup properly. In this case NAPI structures are missing and __napi_poll() will find a NULL pointer in n->poll. Avoid this by registering the device after initialization is complete. Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de> Link: openwrt#19787 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
siwind
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Oct 26, 2025
The receive path of the RTL93xx SoCs is currently discarding packets in software. Analysis gives the following explanation: - RX ring size registers are setup with the full software ring size - When packets are received the packet counter registers are increased - After RX processing the counter registers are changed the wrong way - From then SOC is allowed to receive more packets than software allows - Overflow interrupts are fired - As a reaction to that the software drops packets Change the processing as follows: - Setup ring size registers with a headroom of 2 buffers - Decrease the counter registers with the real work done With this change no more overflow interrupts occur because the SoC disables the queues before they can overflow or hit a buffer that is still owned by the CPU. Benchmark from single stream iperf3 run, with server process running on ZyXEL XGS1210 (RTL930x). iperf3 run before ----------------------------------------------------------- Server listening on 5201 (test #1) ----------------------------------------------------------- Accepted connection from 192.168.2.86, port 54412 [ 5] local 192.168.2.71 port 5201 connected to 192.168.2.86 port 54418 [ ID] Interval Transfer Bitrate [ 5] 0.00-1.00 sec 384 KBytes 3.14 Mbits/sec [ 5] 1.00-2.00 sec 0.00 Bytes 0.00 bits/sec [ 5] 2.00-3.00 sec 0.00 Bytes 0.00 bits/sec [ 5] 3.00-4.01 sec 5.12 MBytes 42.8 Mbits/sec [ 5] 4.01-5.00 sec 11.4 MBytes 95.8 Mbits/sec [ 5] 5.00-6.00 sec 0.00 Bytes 0.00 bits/sec [ 5] 6.00-7.00 sec 0.00 Bytes 0.00 bits/sec [ 5] 7.00-8.00 sec 0.00 Bytes 0.00 bits/sec [ 5] 8.00-9.00 sec 0.00 Bytes 0.00 bits/sec [ 5] 9.00-10.00 sec 0.00 Bytes 0.00 bits/sec iperf3 run after ----------------------------------------------------------- Server listening on 5201 (test #1) ----------------------------------------------------------- Accepted connection from 192.168.2.86, port 55228 [ 5] local 192.168.2.71 port 5201 connected to 192.168.2.86 port 55232 [ ID] Interval Transfer Bitrate [ 5] 0.00-1.00 sec 22.8 MBytes 191 Mbits/sec [ 5] 1.00-2.01 sec 25.4 MBytes 211 Mbits/sec [ 5] 2.01-3.00 sec 25.4 MBytes 215 Mbits/sec [ 5] 3.00-4.01 sec 26.5 MBytes 220 Mbits/sec [ 5] 4.01-5.00 sec 26.2 MBytes 222 Mbits/sec [ 5] 5.00-6.00 sec 26.9 MBytes 225 Mbits/sec [ 5] 6.00-7.00 sec 27.0 MBytes 226 Mbits/sec [ 5] 7.00-8.01 sec 26.9 MBytes 224 Mbits/sec [ 5] 8.01-9.00 sec 26.5 MBytes 223 Mbits/sec [ 5] 9.00-10.00 sec 26.8 MBytes 225 Mbits/sec [ 5] 10.00-10.02 sec 640 KBytes 224 Mbits/sec Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de> Link: openwrt#19960 Signed-off-by: Robert Marko <robimarko@gmail.com>
siwind
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Jan 7, 2026
Fix kernel panic caused by downstream PHY_DETACH_NO_HW_RESET patch. [ 20.994001] airoha_eth 1fb50000.ethernet wan: validation of usxgmii with support 00,00000000,00000000,00006000 and advertisement 00,00000000,00000000,00006000 failed: -EINVAL [ 21.058106] Unable to handle kernel access to user memory outside uaccess routines at virtual address 00000000000000b8 [ 21.068879] Mem abort info: [ 21.071684] ESR = 0x0000000096000005 [ 21.075436] EC = 0x25: DABT (current EL), IL = 32 bits [ 21.080790] SET = 0, FnV = 0 [ 21.083854] EA = 0, S1PTW = 0 [ 21.086997] FSC = 0x05: level 1 translation fault [ 21.091931] Data abort info: [ 21.094829] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 [ 21.100359] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 21.105419] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 21.110762] user pgtable: 4k pages, 39-bit VAs, pgdp=0000000091bc8000 [ 21.117218] [00000000000000b8] pgd=0800000084ee9003, p4d=0800000084ee9003, pud=0800000084ee9003, pmd=0000000000000000 [ 21.127892] Internal error: Oops: 0000000096000005 [#1] SMP [ 21.133483] Modules linked in: pppoe ppp_async nft_fib_inet nf_flow_table_inet pppox ppp_generic nft_reject_ipv6 nft_reject_ipv4 nft_reject_inet nft_reject nft_redir nft_quota nft_numgen nft_nat nft_masq nfte [ 21.191941] CPU: 3 UID: 0 PID: 1882 Comm: netifd Tainted: G O 6.12.57 #0 [ 21.200046] Tainted: [O]=OOT_MODULE [ 21.203534] Hardware name: Gemtek W1700K (DT) [ 21.207892] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 21.214861] pc : phy_detach+0xe8/0x194 [ 21.218628] lr : phy_detach+0xe4/0x194 [ 21.222387] sp : ffffffc0823ebae0 [ 21.225702] x29: ffffffc0823ebae0 x28: ffffff8005451c00 x27: 0000000000000000 [ 21.232846] x26: 0000000000000000 x25: 0000000000001003 x24: ffffffc080cf8240 [ 21.239990] x23: 0000000000001002 x22: ffffff807fc527f8 x21: ffffffc080c93318 [ 21.247125] x20: ffffff8001cfc000 x19: ffffff80036f7000 x18: ffffff8012cde323 [ 21.254269] x17: 303a302d30333537 x16: 000000000000000e x15: 0000005139b64de4 [ 21.261413] x14: 0000000000000001 x13: ffffff80020b46c0 x12: 0000000000000001 [ 21.268550] x11: ffffff80020b46c0 x10: ffffff8005451cc0 x9 : ffffff807dbf5200 [ 21.275694] x8 : ffffff80020b46c0 x7 : ffffff80010a8ed0 x6 : 0000000000000000 [ 21.282838] x5 : 00000000000013f8 x4 : 0000000000000000 x3 : ffffff8005451c00 [ 21.289983] x2 : 0000000000000000 x1 : ffffff8005451c00 x0 : 0000000000000000 [ 21.297128] Call trace: [ 21.299575] phy_detach+0xe8/0x194 [ 21.302988] phylink_fwnode_phy_connect+0x194/0x1c0 [ 21.307874] phylink_of_phy_connect+0x18/0x20 [ 21.312248] airoha_dev_open+0x44/0x2b0 [ 21.316094] __dev_open+0xe8/0x15c [ 21.319505] __dev_change_flags+0x154/0x1c0 [ 21.323698] dev_change_flags+0x20/0x64 [ 21.327541] dev_ifsioc+0x28c/0x444 [ 21.331032] dev_ioctl+0x290/0x4b8 [ 21.334434] sock_ioctl+0x31c/0x444 [ 21.337923] __arm64_sys_ioctl+0x354/0xe60 [ 21.342020] invoke_syscall.constprop.0+0x58/0xec [ 21.346725] do_el0_svc+0x3c/0xd4 [ 21.350041] el0_svc+0x18/0x60 [ 21.353097] el0t_64_sync_handler+0x118/0x124 [ 21.357455] el0t_64_sync+0x150/0x154 Make sure the phydev have a driver before asserting a signal or we would dereference a NULL address. Signed-off-by: Balázs Triszka <info@balika011.hu> [ improve commit description ] Link: openwrt#20740 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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The dts of ZTE E8820s has an error configuration of ethphy4 which leads to WAN interface misfunction.
After referenced the similar routers' dts, I found the mt7621_zte_e8820s.dts has mistaked disabled ethphy0's interrupts:
While the wan interface which connect to CPU directly is ethphy4, after change to disable ethphy4's interrupts, I got wan resumed.