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Markus Stockhausen 532c51c15a realtek: Increase verbosity in rtldsa_fib4_add()/rtldsa_fib4_del()
L3 routing in Realtek switches is some magic voodoo. Especially
the syslog messages are not helpful at all for error diagnosis. As
a first step refactor rtldsa_fib4_add() and rtldsa_fib4_del() to
get some idea what is going on. For this add a helper function
rtldsa_fib4_check() for basic sanity checks and logging.

Do not only increase verbosity but fix some coding as well.

- Drop leftover checks for subnet 192.168.100.x
- Better detection of broadcast routes
- clearer MAC/VLAN formatting
- sort variables descending
- rename 1 char variable "r" to "route"
- change log helpers from pr...() to dev_...()

Before:

[    5.640463] rtl83xx_fib_event_work_do: FIB4 default rule failed
[    5.647164] rtl83xx_fib_event_work_do: FIB4 default rule failed
[   13.975386] rtl83xx_fib_event_work_do: FIB4 failed
[   13.981456] rtl83xx_fib_event_work_do: FIB4 failed
[   13.986906] rtl83xx_fib_event_work_do: FIB4 failed
[   18.455777] rtl83xx_fib4_del: no such gateway: 0.0.0.0
[   18.470993] rtl83xx_fib4_del: no such gateway: 0.0.0.0
[   18.476839] rtl83xx_fib4_del: no such gateway: 0.0.0.0

After:

[   13.812501] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.1.1/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   13.823501] rtl83xx-switch switch@1b000000: lower interface lan1 not found
[   13.831371] rtl83xx-switch switch@1b000000: fib_add() failed
[   13.848157] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.1.255/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   13.859264] rtl83xx-switch switch@1b000000: skip loopback/broadcast address
[   13.883086] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.1.0/24 (VLAN 0, MAC 80:00:37:74:80:00)
[   13.894051] rtl83xx-switch switch@1b000000: lower interface lan1 not found
[   13.902009] rtl83xx-switch switch@1b000000: fib_add() failed
[   18.342938] rtl83xx-switch switch@1b000000: delete IPv4 route 192.168.1.0/24 (VLAN 0, MAC 80:00:37:74:80:00)
[   18.354162] rtl83xx-switch switch@1b000000: no such gateway: 0.0.0.0
[   18.361483] rtl83xx-switch switch@1b000000: fib_del() failed
[   18.378327] rtl83xx-switch switch@1b000000: delete IPv4 route 192.168.1.255/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   18.389736] rtl83xx-switch switch@1b000000: skip loopback/broadcast address
[   18.419856] rtl83xx-switch switch@1b000000: delete IPv4 route 192.168.1.1/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   18.431160] rtl83xx-switch switch@1b000000: no such gateway: 0.0.0.0
[   18.438452] rtl83xx-switch switch@1b000000: fib_del() failed
[   54.570217] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.2.71/32 (VLAN 1, MAC d8:ec:5e:5b:7d:a1)
[   54.581329] rtl83xx-switch switch@1b000000: route hashtable extended for gw 0.0.0.0
[   54.638792] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.2.255/32 (VLAN 1, MAC d8:ec:5e:5b:7d:a1)
[   54.649913] rtl83xx-switch switch@1b000000: skip loopback/broadcast address
[   54.780897] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.2.0/24 (VLAN 1, MAC d8:ec:5e:5b:7d:a1)
[   54.791883] rtl83xx-switch switch@1b000000: route hashtable extended for gw 0.0.0.0

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/20029
Signed-off-by: Robert Marko <robimarko@gmail.com>
2025-09-17 19:21:58 +02:00
..
airoha kernel: 6.12: refresh patches for airoha/econet on 6.12.45 2025-09-17 19:21:20 +02:00
apm821xx apm821xx: sata: refresh config 2025-07-27 18:22:31 +02:00
armsr armsr: Make kernel modules depend on target 2025-07-26 01:11:21 +02:00
at91
ath79 ath79: add nvmem handling for AR9285 devices 2025-09-12 01:20:49 +02:00
bcm27xx bcm27xx: Add padding after writing rootfs to image. 2025-09-14 11:46:19 +02:00
bcm47xx
bcm53xx kernel: bump 6.6 to 6.6.103 2025-09-01 02:05:24 +02:00
bcm4908
bmips kernel: bump 6.12 to 6.12.39 2025-07-19 11:59:56 +02:00
d1 kernel: remove duplicate PREEMPT settings 2025-06-08 15:59:55 +02:00
econet kernel: 6.12: refresh patches for airoha/econet on 6.12.45 2025-09-17 19:21:20 +02:00
gemini gemini: Add module for VSC73xx switches 2025-09-15 23:12:56 +02:00
generic kernel: kmod-dsa-ks8995: Backport DSA patches 2025-09-15 08:34:55 +02:00
imx kernel: bump 6.6 to 6.6.103 2025-09-01 02:05:24 +02:00
ipq40xx kernel: bump 6.12 to 6.12.44 2025-08-31 13:07:49 +02:00
ipq806x treewide: fix compatible string for ath10k 2025-08-25 10:35:39 +02:00
ixp4xx ixp4xx: Switch to kernel v6.12 2025-06-03 01:45:40 +02:00
kirkwood kirkwood: add kmod-ata-ahci as default to ix4-200d 2025-07-19 17:58:41 +02:00
lantiq lantiq: adapt upstream commit to some dts files 2025-09-07 11:42:46 +02:00
layerscape kernel: bump 6.12 to 6.12.43 2025-08-26 21:35:36 +02:00
loongarch64 loongarch64: switch to Linux 6.12 by default 2025-09-09 00:10:31 +02:00
malta malta: drop 6.6 support 2025-07-20 23:37:37 +02:00
mediatek mediatek: refresh patches 2025-09-15 21:38:29 +01:00
mpc85xx mpc85xx: tl-wdr4900: add back 5ghz LED 2025-08-13 09:57:05 +02:00
mvebu mvebu: switch to kernel 6.12 2025-08-04 22:57:18 +02:00
mxs
octeon octeon: ubnt-*: Add device specific DTS pruning 2025-07-09 10:39:29 +02:00
omap omap: enable 6.12 testing kernel 2025-08-22 20:18:16 +02:00
pistachio kernel: remove duplicate PREEMPT settings 2025-06-08 15:59:55 +02:00
qoriq
qualcommax qualcommax: ipq50xx: backport upstreamed patch for adding ipq5018 I2C node 2025-09-17 14:18:10 +02:00
qualcommbe kernel: bump 6.12 to 6.12.45 2025-09-07 11:42:46 +02:00
ramips ramips: e390ax: remove redundant 02_network MACs 2025-09-10 22:50:08 +02:00
realtek realtek: Increase verbosity in rtldsa_fib4_add()/rtldsa_fib4_del() 2025-09-17 19:21:58 +02:00
rockchip rockchip: add Lunzn FastRhino R66S support 2025-09-11 22:17:43 +02:00
sifiveu kernel: remove duplicate PREEMPT settings 2025-06-08 15:59:55 +02:00
siflower generic: backport support for Aeonsemi AS21xxx PHY 2025-09-03 00:58:48 +02:00
starfive kernel: bump 6.12 to 6.12.45 2025-09-07 11:42:46 +02:00
stm32 generic: 6.12: add new config symbols 2025-07-13 15:27:54 +02:00
sunxi sunxi: enable at24 support 2025-09-08 22:35:39 +02:00
tegra tegra: add 6.12 as testing kernel 2025-07-13 00:49:37 +02:00
uml kernel: bump 6.12 to 6.12.33 2025-06-12 12:42:15 +02:00
x86 x86: add Minisforum MS-A2 Mini PC 2025-08-10 12:12:05 +02:00
zynq zynq: disable unused Vitesse PHY 2025-09-08 14:21:50 +02:00
Makefile