{"id":2198415,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198415/?format=json","project":{"id":22,"url":"http://patchwork.ozlabs.org/api/1.0/projects/22/?format=json","name":"HostAP Development","link_name":"hostap","list_id":"hostap.lists.infradead.org","list_email":"hostap@lists.infradead.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260219202514.5781-18-andrei.otcheretianski@intel.com>","date":"2026-02-19T20:24:33","name":"[17/58] NAN: Add utility function to convert channel to bitmap","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"bb6ebba8798d5572b9459b978aca0ca213d92931","submitter":{"id":62065,"url":"http://patchwork.ozlabs.org/api/1.0/people/62065/?format=json","name":"Andrei Otcheretianski","email":"andrei.otcheretianski@intel.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/hostap/patch/20260219202514.5781-18-andrei.otcheretianski@intel.com/mbox/","series":[{"id":492721,"url":"http://patchwork.ozlabs.org/api/1.0/series/492721/?format=json","date":"2026-02-19T20:24:21","name":"NAN: Add NAN Data Path (NDP) support","version":1,"mbox":"http://patchwork.ozlabs.org/series/492721/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2198415/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=tucf2aKx;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=ke/fND7c;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; 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a=\"90039989\"","E=Sophos;i=\"6.21,300,1763452800\";\n d=\"scan'208\";a=\"90039989\"","E=Sophos;i=\"6.21,300,1763452800\";\n d=\"scan'208\";a=\"219153806\""],"X-ExtLoop1":"1","From":"Andrei Otcheretianski ","To":"hostap@lists.infradead.org,\n\tvamsin@qti.qualcomm.com,\n\tvganneva@qti.qualcomm.com,\n\tmaheshkkv@google.com","Cc":"Ilan Peer ","Subject":"[PATCH 17/58] NAN: Add utility function to convert channel to bitmap","Date":"Thu, 19 Feb 2026 22:24:33 +0200","Message-ID":"<20260219202514.5781-18-andrei.otcheretianski@intel.com>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260219202514.5781-1-andrei.otcheretianski@intel.com>","References":"<20260219202514.5781-1-andrei.otcheretianski@intel.com>","MIME-Version":"1.0","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20260219_122620_034428_336EF2BC ","X-CRM114-Status":"GOOD ( 12.52 )","X-Spam-Score":"-4.4 (----)","X-Spam-Report":"Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: From: Ilan Peer Add a function that\n converts an operating class and channel index to a NAN availability entry\n channel bit map. Signed-off-by: Ilan Peer ---\n src/nan/nan_i.h\n | 2 ++ src/nan/nan_util.c | 39 +++++++++++++++++++++++++++++++++++++++ 2\n files changed, 41 insertions(+)\n Content analysis details: (-4.4 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/,\n medium trust\n [198.175.65.10 listed in list.dnswl.org]\n 0.0 RCVD_IN_VALIDITY_SAFE_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to\n Validity was blocked. See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [198.175.65.10 listed in sa-accredit.habeas.com]\n 0.0 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED RBL: ADMINISTRATOR NOTICE: The\n query to Validity was blocked. See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [198.175.65.10 listed in\n sa-trusted.bondedsender.org]\n 0.0 RCVD_IN_VALIDITY_RPBL_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to\n Validity was blocked. See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [198.175.65.10 listed in\n bl.score.senderscore.com]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender","X-BeenThere":"hostap@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"Hostap\" ","Errors-To":"hostap-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"},"content":"From: Ilan Peer \n\nAdd a function that converts an operating class and channel index to\na NAN availability entry channel bit map.\n\nSigned-off-by: Ilan Peer \n---\n src/nan/nan_i.h | 2 ++\n src/nan/nan_util.c | 39 +++++++++++++++++++++++++++++++++++++++\n 2 files changed, 41 insertions(+)","diff":"diff --git a/src/nan/nan_i.h b/src/nan/nan_i.h\nindex d80dd4dc06..923195f456 100644\n--- a/src/nan/nan_i.h\n+++ b/src/nan/nan_i.h\n@@ -324,4 +324,6 @@ int nan_ndp_naf_sent(struct nan_data *nan, struct nan_peer *peer,\n \t\t enum nan_subtype subtype);\n int nan_parse_device_attrs(struct nan_data *nan, struct nan_peer *peer,\n \t\t\t const u8 *attrs_data, size_t attrs_len);\n+int nan_chan_to_chan_idx_map(struct nan_data *nan,\n+\t\t\t u8 op_class, u8 channel, u16 *chan_idx_map);\n #endif /* NAN_I_H */\ndiff --git a/src/nan/nan_util.c b/src/nan/nan_util.c\nindex f9390b14f5..74b611ebd2 100644\n--- a/src/nan/nan_util.c\n+++ b/src/nan/nan_util.c\n@@ -9,6 +9,7 @@\n #include \"includes.h\"\n #include \"common.h\"\n #include \"nan_i.h\"\n+#include \"common/ieee802_11_common.h\"\n \n \n static void nan_attrs_clear_list(struct nan_data *nan,\n@@ -339,3 +340,41 @@ void nan_add_dev_capa_attr(struct nan_data *nan, struct wpabuf *buf)\n \twpabuf_put_le16(buf, nan->cfg->dev_capa.channel_switch_time);\n \twpabuf_put_u8(buf, nan->cfg->dev_capa.capa);\n }\n+\n+\n+/**\n+ * nan_chan_to_chan_idx_map - convert an op_class and chan to channel\n+ * bitmap\n+ *\n+ * @nan: NAN module context from nan_init()\n+ * @op_class: the operating class\n+ * @channel: channel number\n+ * @chan_idx_map: On success, would hold the channel index bitmap\n+ * Returns 0 on success, otherwise a negative value\n+ */\n+int nan_chan_to_chan_idx_map(struct nan_data *nan,\n+\t\t\t u8 op_class, u8 channel, u16 *chan_idx_map)\n+{\n+\tu32 i;\n+\tint ret;\n+\n+\tif (!chan_idx_map)\n+\t\treturn -1;\n+\n+\tfor (i = 0; global_op_class[i].op_class; i++)\n+\t\tif (global_op_class[i].op_class == op_class)\n+\t\t\tbreak;\n+\n+\tif (!global_op_class[i].op_class)\n+\t\treturn -1;\n+\n+\tret = op_class_chan_to_idx(&global_op_class[i], channel);\n+\tif (ret < 0)\n+\t\treturn ret;\n+\n+\tif ((u16)ret >= (sizeof(*chan_idx_map) * 8))\n+\t\treturn -1;\n+\n+\t*chan_idx_map = BIT(ret);\n+\treturn 0;\n+}\n","prefixes":["17/58"]}