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wifi: brcmfmac: add PMK programming for firmware roaming offload

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FT and OKC roaming offload need PMK material in firmware even when
the initial 802.1X exchange is handled by userspace. Add a roaming
firmware-supplicant profile state for those connections and allow PMK
configuration while firmware FT or OKC state is active.

Program the OKC PMK through the okc_info_pmk iovar before setting the
regular PMK when firmware reports OKC state. Only select the roaming
firmware-supplicant state when firmware advertises FBT or OKC support;
devices without those capabilities keep the profile in the userspace
supplicant state and do not issue roaming-offload specific iovars on
every connect.

For FT-PSK with firmware supplicant support, keep the profile in the
PSK firmware-supplicant state.

Assisted-by: GitHub-Copilot-CLI:gpt-5.5
Signed-off-by: Darren Li <hsin-hung.li@cypress.com>
Signed-off-by: Chung-Hsien Hsu <Chung-Hsien.Hsu@infineon.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Co-developed-by: Carella Chen <carella.chen@infineon.com>
Signed-off-by: Carella Chen <carella.chen@infineon.com>
Co-developed-by: Shelley Yang <shelley.yang@infineon.com>
Signed-off-by: Shelley Yang <shelley.yang@infineon.com>
Signed-off-by: Jason Huang <jason.huang2@infineon.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Link: https://patch.msgid.link/20260911065656.1269623-4-Jason.Huang2@infineon.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Darren Li 2026-09-11 14:56:54 +08:00 • committed by Johannes Berg
commit f84e486e12
2 changed files with 54 additions and 7 deletions
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