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ca389486a9
net80211 node ni_chw currently encodes the channel width as Mhz number. LinuxKPI 802.11 uses enum ieee80211_sta_rx_bw for the same. Rather than keeping the "20" and "40" throughout the code (eventually expanded to 80/160/320) switch them over to use the enum throughout and add a print mask for debug output. While designed as bitmask it is not supposed to be used as such; the bitmask is only used to be able to use %b with a print mask. Once we get to 320Mhz channel widths we would otherwise also need to extend the uint8_t in struct ieee80211_node; making enum ieee80211_sta_rx_bw __packed allows us for three more channel widths without breaking the KBI (if we were not to use %b with a print_mask but use a lookup function for the string we could extend it for a long time). Sponsored by: The FreeBSD Foundation MFC after: 14 days Reviewed by: adrian Differential Revision: https://reviews.freebsd.org/D47891 |
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