Public bug reported: [kernel SRU Justification]
[Impact] WiFi 7 feature MLO (Multi-Link Operation) on Mediatek MT7925 is not supported yet. [Fix] The following kernel patches are required https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ The latest linux-firmware for 2ccae12c4f73 (mediatek MT7925: update bluetooth firmware to 20250721233113) needs to be backported for MLO [Test Case] Successfully established a Wi-Fi connection with MLO capability on the AP side. The wireless links attached to MLD should be greater than 1, which can be verified using `iw dev` $ iw dev phy#0 Unnamed/non-netdev interface wdev 0xf addr dc:45:46:44:50:26 type P2P-device Interface wlp0s20f3 ...... ...... MLD with links: - link ID 0 link addr 06:fe:8e:8a:8f:14 - link ID 2 link addr 4e:23:75:ef:d4:5a channel 161 (5805 MHz), width: 80 MHz, center1: 5775 MHz [Where problems could occur] Features for MT7925 MLO are expected but we but no if full feature are ready yet or not. ** Affects: linux-firmware (Ubuntu) Importance: Undecided Status: New ** Affects: linux-oem-6.14 (Ubuntu) Importance: Undecided Status: New ** Affects: linux-firmware (Ubuntu Noble) Importance: Undecided Status: New ** Affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Status: New ** Affects: linux-firmware (Ubuntu Questing) Importance: Undecided Status: New ** Affects: linux-oem-6.14 (Ubuntu Questing) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux-firmware (Ubuntu) Importance: Undecided Status: New ** No longer affects: linux-oem-6.5 (Ubuntu) ** Also affects: linux-firmware (Ubuntu Questing) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu Questing) Importance: Undecided Status: New ** Also affects: linux-firmware (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2121342 Title: Enable Wi-Fi 7 MLO on MTK MT7925 (2.4/5 GHz) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2121342/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
