Fix Android P2P pairing issue between rtl8812au devices #1244
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
added 2 commits
November 13, 2025 14:29
During Wi-Fi Direct (P2P) connection setup, the peer device advertises both a wildcard “DIRECT-” Probe Response (for P2P-Device discoverability) and a full SSID Probe Response/Beacon (for P2P-GO). Both share the same BSSID, causing cfg80211_get_bss() — which previously looked up by BSSID only — to sometimes return the wildcard entry (“DIRECT-”, len=7) instead of the actual GO SSID. This led to connection failures when cfg80211_connect_bss() received incorrect SSID information. This patch updates the BSS lookup logic in ioctl_cfg80211.c to prefer an exact (BSSID, SSID) match first. If no exact entry is found, it falls back to the legacy BSSID-only search. This ensures correct SSID association during P2P connection without affecting normal discovery behavior. Signed-off-by: Duc Huynh BV <[email protected]>
The update_BCNTIM() function was always adding a fixed +3 offset assuming that the DS Parameter Set IE (length 3) was present. However, on 5 GHz beacons, the DS IE is typically absent. As a result, TIM was inserted 3 bytes past the correct offset, overwriting the first bytes of the following IE (usually RSN), which led to corrupted RSN contents (e.g., “RSN ver 0x0501”) and failed associations. This patch fixes the issue by checking for the presence of _DSSET_IE_ using rtw_get_ie() and adding the +3 offset only if the DS Parameter IE actually exists. This preserves RSN and other IEs, ensures correct beacon formatting on 5 GHz, and restores stable P2P and 5 GHz connectivity. Signed-off-by: Duc Huynh BV <[email protected]>
duc3503
changed the title
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This change resolves P2P GO/client pairing failures by: