FreeBSD/Linux Kernel Cross Reference
sys/dev/ice/ice_features.h

     /* SPDX-License-Identifier: BSD-3-Clause */
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    /*$FreeBSD$*/
    
    /**
     * @file ice_features.h
     * @brief device feature controls
     *
     * Contains a list of various device features which could be enabled or
     * disabled.
     */
    
    #ifndef _ICE_FEATURES_H_
    #define _ICE_FEATURES_H_
    
    /**
     * @enum feat_list
     * @brief driver feature enumeration
     *
     * Enumeration of possible device driver features that can be enabled or
     * disabled. Each possible value represents a different feature which can be
     * enabled or disabled.
     *
     * The driver stores a bitmap of the features that the device and OS are
     * capable of, as well as another bitmap indicating which features are
     * currently enabled for that device.
     */
    enum feat_list {
            ICE_FEATURE_SRIOV,
            ICE_FEATURE_RSS,
            ICE_FEATURE_NETMAP,
            ICE_FEATURE_FDIR,
            ICE_FEATURE_MSI,
            ICE_FEATURE_MSIX,
            ICE_FEATURE_RDMA,
            ICE_FEATURE_SAFE_MODE,
            ICE_FEATURE_LENIENT_LINK_MODE,
            ICE_FEATURE_LINK_MGMT_VER_1,
            ICE_FEATURE_LINK_MGMT_VER_2,
            ICE_FEATURE_HEALTH_STATUS,
            ICE_FEATURE_FW_LOGGING,
            ICE_FEATURE_HAS_PBA,
            /* Must be last entry */
            ICE_FEATURE_COUNT
    };
    
    /**
     * ice_disable_unsupported_features - Disable features not enabled by OS
     * @bitmap: the feature bitmap
     *
     * Check for OS support of various driver features. Clear the feature bit for
     * any feature which is not enabled by the OS. This should be called early
     * during driver attach after setting up the feature bitmap.
     *
     * @remark the bitmap parameter is marked as unused in order to avoid an
     * unused parameter warning in case none of the features need to be disabled.
     */
    static inline void
    ice_disable_unsupported_features(ice_bitmap_t __unused *bitmap)
    {
            ice_clear_bit(ICE_FEATURE_SRIOV, bitmap);
    #ifndef DEV_NETMAP
            ice_clear_bit(ICE_FEATURE_NETMAP, bitmap);
    #endif
    }
    
    #endif

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