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GET /api/1.1/patches/2229871/?format=api
{ "id": 2229871, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229871/?format=api", "web_url": "http://patchwork.ozlabs.org/project/hostap/patch/20260428200639.40243-65-andrei.otcheretianski@intel.com/", "project": { "id": 22, "url": "http://patchwork.ozlabs.org/api/1.1/projects/22/?format=api", "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": "<20260428200639.40243-65-andrei.otcheretianski@intel.com>", "date": "2026-04-28T20:06:05", "name": "[64/97] NAN: Modify nan_peer_schedule_intersects() to return the common slots", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "006c1c9425fc89e80b5097e9fecdd30815da4510", "submitter": { "id": 62065, "url": "http://patchwork.ozlabs.org/api/1.1/people/62065/?format=api", "name": "Andrei Otcheretianski", "email": "andrei.otcheretianski@intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/hostap/patch/20260428200639.40243-65-andrei.otcheretianski@intel.com/mbox/", "series": [ { "id": 501927, "url": "http://patchwork.ozlabs.org/api/1.1/series/501927/?format=api", "web_url": "http://patchwork.ozlabs.org/project/hostap/list/?series=501927", "date": "2026-04-28T20:05:05", "name": "NAN: Group keys support, schedule update and more", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501927/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2229871/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2229871/checks/", "tags": {}, "headers": { "Return-Path": "\n <hostap-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "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=ZUn6bJDj;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256\n header.s=casper.20170209 header.b=O2kSBP+h;\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=WKd16b6n;\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=\"78519493\"", "E=Sophos;i=\"6.23,204,1770624000\";\n d=\"scan'208\";a=\"78519493\"", "E=Sophos;i=\"6.23,204,1770624000\";\n d=\"scan'208\";a=\"257610669\"" ], "X-ExtLoop1": "1", "From": "Andrei Otcheretianski <andrei.otcheretianski@intel.com>", "To": "hostap@lists.infradead.org", "Cc": "vamsin@qti.qualcomm.com,\n\tmaheshkkv@google.com,\n\tAvraham Stern <avraham.stern@intel.com>", "Subject": "[PATCH 64/97] NAN: Modify nan_peer_schedule_intersects() to return\n the common slots", "Date": "Tue, 28 Apr 2026 23:06:05 +0300", "Message-ID": "<20260428200639.40243-65-andrei.otcheretianski@intel.com>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260428200639.40243-1-andrei.otcheretianski@intel.com>", "References": "<20260428200639.40243-1-andrei.otcheretianski@intel.com>", "MIME-Version": "1.0", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20260428_210932_229543_32BF5188 ", "X-CRM114-Status": "GOOD ( 15.62 )", "X-Spam-Score": "-4.4 (----)", "X-Spam-Report": "SpamAssassin version 4.0.1 on casper.infradead.org summary:\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 [198.175.65.16 listed in list.dnswl.org]\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.0 SPF_PASS SPF: sender matches SPF record\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\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": "<hostap.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/hostap>,\n <mailto:hostap-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/hostap/>", "List-Post": "<mailto:hostap@lists.infradead.org>", "List-Help": "<mailto:hostap-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/hostap>,\n <mailto:hostap-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"Hostap\" <hostap-bounces@lists.infradead.org>", "Errors-To": "hostap-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "From: Avraham Stern <avraham.stern@intel.com>\n\nModify nan_peer_schedule_intersects() to return a bitfield of the\ncommon slots with a given peer, or NULL if there are no common slots.\nRename it to nan_peer_schedule_intersection() to better reflect its\nnew purpose.\n\nSigned-off-by: Avraham Stern <avraham.stern@intel.com>\n---\n src/nan/nan.c | 7 +++++-\n src/nan/nan_i.h | 6 ++---\n src/nan/nan_util.c | 62 ++++++++++++++++++++++++++++++++++++++--------\n 3 files changed, 60 insertions(+), 15 deletions(-)", "diff": "diff --git a/src/nan/nan.c b/src/nan/nan.c\nindex b23b64a6e6..1e8325a140 100644\n--- a/src/nan/nan.c\n+++ b/src/nan/nan.c\n@@ -9,6 +9,7 @@\n #include \"includes.h\"\n #include \"common.h\"\n #include \"utils/eloop.h\"\n+#include \"utils/bitfield.h\"\n #include \"common/ieee802_11_common.h\"\n #include \"pasn/pasn_common.h\"\n #include \"nan.h\"\n@@ -1438,16 +1439,20 @@ int nan_configure_peer_schedule(struct nan_data *nan, struct nan_peer *peer,\n \tstruct nan_dev_capa_entry *cur;\n \tstruct nan_device_capabilities *capa = NULL;\n \tstruct nan_peer_schedule sched;\n+\tstruct bitfield *common_bf;\n \n \twpa_printf(MSG_DEBUG, \"NAN: Configure peer schedule\");\n \n \tos_memset(&sched, 0, sizeof(sched));\n-\tif (nan_peer_schedule_intersects(nan, peer, local_sched))\n+\tcommon_bf = nan_peer_schedule_intersection(nan, peer, local_sched);\n+\tif (common_bf)\n \t\tnan_peer_get_committed_avail(nan, peer, local_sched, &sched);\n \telse\n \t\twpa_printf(MSG_DEBUG,\n \t\t\t \"NAN: Cannot configure peer schedule since there is no intersection\");\n \n+\tbitfield_free(common_bf);\n+\n \tdl_list_for_each(cur, &peer->info.dev_capa,\n \t\t\t struct nan_dev_capa_entry, list) {\n \t\t/*\ndiff --git a/src/nan/nan_i.h b/src/nan/nan_i.h\nindex 592268aa4a..ff36fa04af 100644\n--- a/src/nan/nan_i.h\n+++ b/src/nan/nan_i.h\n@@ -731,9 +731,9 @@ int nan_ndl_add_avail_attrs(struct nan_data *nan, const struct nan_peer *peer,\n void nan_ndl_add_elem_container_attr(const struct nan_data *nan,\n \t\t\t\t const struct nan_peer *peer,\n \t\t\t\t struct wpabuf *buf);\n-bool nan_peer_schedule_intersects(struct nan_data *nan,\n-\t\t\t\t const struct nan_peer *peer,\n-\t\t\t\t const struct nan_schedule *sched);\n+struct bitfield *nan_peer_schedule_intersection(\n+\tstruct nan_data *nan, const struct nan_peer *peer,\n+\tconst struct nan_schedule *sched);\n int nan_convert_chan_sched_to_bf(struct nan_data *nan,\n \t\t\t\t const struct nan_chan_schedule *chan,\n \t\t\t\t struct bitfield **avail_bf, u8 *map_id,\ndiff --git a/src/nan/nan_util.c b/src/nan/nan_util.c\nindex d55baebe81..da9337092a 100644\n--- a/src/nan/nan_util.c\n+++ b/src/nan/nan_util.c\n@@ -1914,21 +1914,26 @@ int nan_convert_chan_sched_to_bf(struct nan_data *nan,\n \n \n /*\n- * nan_peer_schedule_intersects - Check if local and peer schedules intersect\n+ * nan_peer_schedule_intersection - Get local and peer schedules intersection\n *\n * @nan: NAN module context from nan_init()\n * @peer: The peer with whom to intersect the schedule\n * @sched: Local device schedule\n- * Returns: true if schedules intersect, false otherwise\n+ * Returns: Bitfield representing the intersection of schedules, or NULL if\n+ *\tno intersection\n *\n * The function checks if the local device schedule intersects with the peer\n- * device schedule.\n+ * device schedule and returns a bitfield representing the intersection,\n+ * or NULL if no intersection.\n */\n-bool nan_peer_schedule_intersects(struct nan_data *nan,\n-\t\t\t\t const struct nan_peer *peer,\n-\t\t\t\t const struct nan_schedule *sched)\n+struct bitfield *nan_peer_schedule_intersection(\n+\tstruct nan_data *nan,\n+\tconst struct nan_peer *peer,\n+\tconst struct nan_schedule *sched)\n {\n \tsize_t i;\n+\tstruct bitfield *common_bf = NULL;\n+\tbool intersects = false;\n \n \t/*\n \t * Iterate over all the channels included in the local schedule. For\n@@ -1955,7 +1960,7 @@ bool nan_peer_schedule_intersects(struct nan_data *nan,\n \t\tif (ret) {\n \t\t\twpa_printf(MSG_DEBUG,\n \t\t\t\t \"NAN: NDL: Failed to convert chan sched to bitfield\");\n-\t\t\treturn false;\n+\t\t\treturn NULL;\n \t\t}\n \n \t\t/* Get the peer availability for the current channel */\n@@ -1968,16 +1973,51 @@ bool nan_peer_schedule_intersects(struct nan_data *nan,\n \t\t\tcontinue;\n \t\t}\n \n-\t\tret = bitfield_intersects(own_chan_bf, peer_chan_bf);\n+\t\tintersects |= bitfield_intersects(own_chan_bf, peer_chan_bf);\n+\n+\t\tret = bitfield_intersect_in_place(own_chan_bf, peer_chan_bf);\n+\t\tif (ret < 0) {\n+\t\t\twpa_printf(MSG_DEBUG,\n+\t\t\t\t \"NAN: Failed to intersect own and peer chan bitfields\");\n+\t\t\tbitfield_free(own_chan_bf);\n+\t\t\tbitfield_free(peer_chan_bf);\n+\t\t\tbitfield_free(common_bf);\n+\t\t\treturn NULL;\n+\t\t}\n \n \t\tbitfield_free(peer_chan_bf);\n+\n+\t\tif (common_bf) {\n+\t\t\tret = bitfield_union_in_place(common_bf, own_chan_bf);\n+\t\t\tif (ret) {\n+\t\t\t\twpa_printf(MSG_DEBUG,\n+\t\t\t\t\t \"NAN: Failed to unify own chan bitfields\");\n+\n+\t\t\t\tbitfield_free(own_chan_bf);\n+\t\t\t\tbitfield_free(common_bf);\n+\t\t\t\treturn NULL;\n+\t\t\t}\n+\t\t} else {\n+\t\t\tcommon_bf = bitfield_dup(own_chan_bf);\n+\t\t\tif (!common_bf) {\n+\t\t\t\twpa_printf(MSG_DEBUG,\n+\t\t\t\t\t \"NAN: Failed to dup own chan bitfield\");\n+\n+\t\t\t\tbitfield_free(own_chan_bf);\n+\t\t\t\tbitfield_free(common_bf);\n+\t\t\t\treturn NULL;\n+\t\t\t}\n+\t\t}\n+\n \t\tbitfield_free(own_chan_bf);\n+\t}\n \n-\t\tif (ret == 1)\n-\t\t\treturn true;\n+\tif (!intersects) {\n+\t\tbitfield_free(common_bf);\n+\t\treturn NULL;\n \t}\n \n-\treturn false;\n+\treturn common_bf;\n }\n \n \n", "prefixes": [ "64/97" ] }