From patchwork Fri Jul 22 16:34:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Prestwood X-Patchwork-Id: 12926601 Received: from mail-pf1-f176.google.com (mail-pf1-f176.google.com [209.85.210.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 23BCA4A2E for ; Fri, 22 Jul 2022 16:37:14 +0000 (UTC) Received: by mail-pf1-f176.google.com with SMTP id d10so4878480pfd.9 for ; Fri, 22 Jul 2022 09:37:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=TnSQiZunjwkwihk4s4Mew9IVpaoXRgbw7DAEaraw7ow=; b=cKlYX+KGTvkJf+Ug00gViioF0RaKnsqBMr0+/j9gP3TBk87o77xa7QJ2Oqr28Br5MD XVo612ws+xbw8KMVl8wyjdK6y4kioMDDWjk8Uh57GYD/tUh2u32QsM7P3/uY4KARjOxr CtoQ0Z1iLDTT8SrnXryG28HBOBTqXoNjzDzYcpV5gAZaPTz3f+Aes4DoMf3nBf/LV19O 9YsckbrkokZH4OsDfPvFy6yUoieXrnPAM04WdIauPcv9qtz7q0ovnP3vvA43PI/ioocn Cjp3Ctr7WxnEpWBaOeUmlW0gId/e8R+6oPUY23DrWtMvv0A5DrI31iT0Ntk1Fmwq/6cU cecQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=TnSQiZunjwkwihk4s4Mew9IVpaoXRgbw7DAEaraw7ow=; b=s7oItZyKBBGxwZufnqIKHq7rMp4/E7taVyPd960VJXNkpcRUBaBSykULK3qhYyXuaQ etVDQCAjp/1IifegD2EpruEWNurKuuPcRuVaUwXFuPuMAS7Q0Onbu12MOF9tliCmevyY 352jYHYzLfslo69gqL01jo3NeiKJPTuOE0mrXywxiYKZzmw90Kjj5pRYjvHNJYXzFudW l/YTbLDHp5vj4Y6ww8hSCBrxhhc81JsqSnxGa48iEhSAoA3BzPI32KC+eiU/uyScuhrX ztbhX8/LX5H+CJLtIw07o8pDizYctIjoc0e5h8uNcb/HGmaOTvgTj221h38yi3tvY0/A qH3g== X-Gm-Message-State: AJIora8K1bhfRuMZNu+nMwz+eYAStEW7JjIagLuUbPiLlwyJg5skhVPS FDg5eMntaqsXoec/lz6G0lnNnw0h8y4= X-Google-Smtp-Source: AGRyM1tp5uqBqV5HnoS2emW+CqbptwM3zS4XmDgx4xM6VX/o7pBnYZTG6dJM9q1RcohLbyheglchsg== X-Received: by 2002:a63:6902:0:b0:41a:3743:c768 with SMTP id e2-20020a636902000000b0041a3743c768mr538140pgc.512.1658507833396; Fri, 22 Jul 2022 09:37:13 -0700 (PDT) Received: from localhost.localdomain ([50.45.187.22]) by smtp.gmail.com with ESMTPSA id p18-20020a170902e75200b0016a109c7606sm4013887plf.259.2022.07.22.09.37.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Jul 2022 09:37:13 -0700 (PDT) From: James Prestwood To: iwd@lists.linux.dev Cc: James Prestwood Subject: [PATCH 4/7] util: add scan_freq_set_max Date: Fri, 22 Jul 2022 09:34:14 -0700 Message-Id: <20220722163417.1119334-4-prestwoj@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220722163417.1119334-1-prestwoj@gmail.com> References: <20220722163417.1119334-1-prestwoj@gmail.com> Precedence: bulk X-Mailing-List: iwd@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Finds the maximum frequency in the set --- src/util.c | 19 +++++++++++++++++++ src/util.h | 1 + 2 files changed, 20 insertions(+) diff --git a/src/util.c b/src/util.c index 8fdb7f17..2563184e 100644 --- a/src/util.c +++ b/src/util.c @@ -379,6 +379,25 @@ bool scan_freq_set_remove(struct scan_freq_set *freqs, uint32_t freq) return false; } +uint32_t scan_freq_set_max(struct scan_freq_set *freqs) +{ + uint32_t channel; + + if (!l_uintset_isempty(freqs->channels_6ghz)) { + channel = l_uintset_find_max(freqs->channels_6ghz); + return band_channel_to_freq(channel, BAND_FREQ_6_GHZ); + } + + if (!l_uintset_isempty(freqs->channels_5ghz)) { + channel = l_uintset_find_max(freqs->channels_5ghz); + return band_channel_to_freq(channel, BAND_FREQ_5_GHZ); + } + + channel = __builtin_popcount(freqs->channels_2ghz); + + return band_channel_to_freq(channel, BAND_FREQ_2_4_GHZ); +} + bool scan_freq_set_contains(const struct scan_freq_set *freqs, uint32_t freq) { enum band_freq band; diff --git a/src/util.h b/src/util.h index ff5211ed..964f6500 100644 --- a/src/util.h +++ b/src/util.h @@ -122,5 +122,6 @@ void scan_freq_set_constrain(struct scan_freq_set *set, bool scan_freq_set_isempty(const struct scan_freq_set *set); uint32_t *scan_freq_set_to_fixed_array(const struct scan_freq_set *set, size_t *len_out); +uint32_t scan_freq_set_max(struct scan_freq_set *freqs); #endif /* __UTIL_H */