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wifi: nxp: add nxpwifi driver for IW61x
Add support for the NXP IW61x wireless devices. The nxpwifi driver implements a full-MAC design and integrates with cfg80211 for configuration and control, supporting both station (STA) and access point (AP) modes. The driver provides a firmware-based command/event interface using TLV messages, with the core handling command processing, event dispatching, and device lifecycle management. A SDIO transport layer is implemented to support IW61x devices. Key features include: - 802.11n/ac/ax (HT/VHT/HE) capability support - Scan, association, and connection management - Data path handling for TX/RX, including aggregation and reorder - WMM QoS support and traffic prioritization - 802.11h (DFS/TPC) support for regulatory compliance - cfg80211 integration for STA and AP operations - Debugfs and ethtool support - Wake-on-LAN support The driver translates cfg80211 configuration into firmware commands and implements required data path processing in software where needed. Signed-off-by: Jeff Chen <jeff.chen_1@nxp.com>
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Jeff Chen
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