From patchwork Fri Dec 1 10:41:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 13475636 X-Patchwork-Delegate: johannes@sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="vEgzW86h" Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:242:246e::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1015119F; Fri, 1 Dec 2023 02:43:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=D1qKTFd0xgwUo5xOwS3Rxn5IbgPSDztU8/ZuojJtijw=; t=1701427418; x=1702637018; b=vEgzW86h4cmM5ZxniGYHev199a8hOVm9sObg46RgMGOt8kx mz9Nq6TDB6af0BcvwIERRecYMMSYwJsfm2LfJw3EttygFb2HlvB2o9PMOieDqAvnrZrQkiDG6Wsxd hopIYkVjwrhSy/vyehk3pdul+s2w/GuaCUjrRImisMPtVeX8qxk0FxI+BiZ6/J1LVm8eXE/iU5AIz 4qQV1sCmbnwqHP33OQ8vhZOYN+ClOXR+fusgKWTTvzo/Q0oOOPW6NsjTv9+5yJQNXIzzerl2sdyLh IqGEjy/e+lDJYePgUC/n2/4QsnyEuRx2bMacPn7HNXTwLbS0Lj2deUGmqukVXFpg==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1r90zf-0000000BBV7-2jih; Fri, 01 Dec 2023 11:43:35 +0100 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org, Johannes Berg Subject: [PATCH wireless-next 1/3] wifi: nl80211: refactor nl80211_send_mlme_event() arguments Date: Fri, 1 Dec 2023 11:41:15 +0100 Message-ID: <20231201114329.61198560b09e.I7ad73644d71cf6526b23d0e1ccd9cd34db2e4deb@changeid> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231201104329.25898-5-johannes@sipsolutions.net> References: <346b21d87c69f817ea3c37caceb34f1f56255884.camel@sipsolutions.net> <20231201104329.25898-5-johannes@sipsolutions.net> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Johannes Berg This function has so many arguments already, before adding yet another one, refactor it to take a struct instead. Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 98 +++++++++++++++++++++++++++++------------- 1 file changed, 67 insertions(+), 31 deletions(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 12b7bd92bb86..46a79ed1c97c 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -17736,21 +17736,29 @@ void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, nlmsg_free(msg); } +struct nl80211_mlme_event { + enum nl80211_commands cmd; + const u8 *buf; + size_t buf_len; + int uapsd_queues; + const u8 *req_ies; + size_t req_ies_len; + bool reconnect; +}; + static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, struct net_device *netdev, - const u8 *buf, size_t len, - enum nl80211_commands cmd, gfp_t gfp, - int uapsd_queues, const u8 *req_ies, - size_t req_ies_len, bool reconnect) + const struct nl80211_mlme_event *event, + gfp_t gfp) { struct sk_buff *msg; void *hdr; - msg = nlmsg_new(100 + len + req_ies_len, gfp); + msg = nlmsg_new(100 + event->buf_len + event->req_ies_len, gfp); if (!msg) return; - hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); + hdr = nl80211hdr_put(msg, 0, 0, 0, event->cmd); if (!hdr) { nlmsg_free(msg); return; @@ -17758,22 +17766,24 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || - nla_put(msg, NL80211_ATTR_FRAME, len, buf) || - (req_ies && - nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies))) + nla_put(msg, NL80211_ATTR_FRAME, event->buf_len, event->buf) || + (event->req_ies && + nla_put(msg, NL80211_ATTR_REQ_IE, event->req_ies_len, + event->req_ies))) goto nla_put_failure; - if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED)) + if (event->reconnect && + nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED)) goto nla_put_failure; - if (uapsd_queues >= 0) { + if (event->uapsd_queues >= 0) { struct nlattr *nla_wmm = nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME); if (!nla_wmm) goto nla_put_failure; if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, - uapsd_queues)) + event->uapsd_queues)) goto nla_put_failure; nla_nest_end(msg, nla_wmm); @@ -17793,37 +17803,60 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, size_t len, gfp_t gfp) { - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0, - false); + struct nl80211_mlme_event event = { + .cmd = NL80211_CMD_AUTHENTICATE, + .buf = buf, + .buf_len = len, + .uapsd_queues = -1, + }; + + nl80211_send_mlme_event(rdev, netdev, &event, gfp); } void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, struct net_device *netdev, struct cfg80211_rx_assoc_resp_data *data) { - nl80211_send_mlme_event(rdev, netdev, data->buf, data->len, - NL80211_CMD_ASSOCIATE, GFP_KERNEL, - data->uapsd_queues, - data->req_ies, data->req_ies_len, false); + struct nl80211_mlme_event event = { + .cmd = NL80211_CMD_ASSOCIATE, + .buf = data->buf, + .buf_len = data->len, + .uapsd_queues = data->uapsd_queues, + .req_ies = data->req_ies, + .req_ies_len = data->req_ies_len, + }; + + nl80211_send_mlme_event(rdev, netdev, &event, GFP_KERNEL); } void nl80211_send_deauth(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, size_t len, bool reconnect, gfp_t gfp) { - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0, - reconnect); + struct nl80211_mlme_event event = { + .cmd = NL80211_CMD_DEAUTHENTICATE, + .buf = buf, + .buf_len = len, + .reconnect = reconnect, + .uapsd_queues = -1, + }; + + nl80211_send_mlme_event(rdev, netdev, &event, gfp); } void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *buf, size_t len, bool reconnect, gfp_t gfp) { - nl80211_send_mlme_event(rdev, netdev, buf, len, - NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0, - reconnect); + struct nl80211_mlme_event event = { + .cmd = NL80211_CMD_DISASSOCIATE, + .buf = buf, + .buf_len = len, + .reconnect = reconnect, + .uapsd_queues = -1, + }; + + nl80211_send_mlme_event(rdev, netdev, &event, gfp); } void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, @@ -17833,28 +17866,31 @@ void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); const struct ieee80211_mgmt *mgmt = (void *)buf; - u32 cmd; + struct nl80211_mlme_event event = { + .buf = buf, + .buf_len = len, + .uapsd_queues = -1, + }; if (WARN_ON(len < 2)) return; if (ieee80211_is_deauth(mgmt->frame_control)) { - cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; + event.cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; } else if (ieee80211_is_disassoc(mgmt->frame_control)) { - cmd = NL80211_CMD_UNPROT_DISASSOCIATE; + event.cmd = NL80211_CMD_UNPROT_DISASSOCIATE; } else if (ieee80211_is_beacon(mgmt->frame_control)) { if (wdev->unprot_beacon_reported && elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000) return; - cmd = NL80211_CMD_UNPROT_BEACON; + event.cmd = NL80211_CMD_UNPROT_BEACON; wdev->unprot_beacon_reported = jiffies; } else { return; } trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); - nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1, - NULL, 0, false); + nl80211_send_mlme_event(rdev, dev, &event, GFP_ATOMIC); } EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);