Return-path: Received: from mail-cys01nam02on0057.outbound.protection.outlook.com ([104.47.37.57]:63780 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754480AbdHYCbK (ORCPT ); Thu, 24 Aug 2017 22:31:10 -0400 From: igor.mitsyanko.os@quantenna.com To: linux-wireless@vger.kernel.org Cc: sergey.matyukevich.os@quantenna.com, avinashp@quantenna.com, johannes@sipsolutions.net, Igor Mitsyanko Subject: [PATCH 24/27] qtnfmac: configure and start AP interface with a single command Date: Thu, 24 Aug 2017 19:30:21 -0700 Message-Id: <20170825023024.10565-25-igor.mitsyanko.os@quantenna.com> (sfid-20170825_043114_079097_4BFCCD77) In-Reply-To: <20170825023024.10565-1-igor.mitsyanko.os@quantenna.com> References: <20170825023024.10565-1-igor.mitsyanko.os@quantenna.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Igor Mitsyanko Current logic artificially divides "start AP" procedure into three stages: - generic interface configuration (security, channel etc) - IE's processing - enable AP mode on interface This separation would not allow to do a proper device configuration as first stage needs to use information from IEs that are processed on a second stage. Which means first and second stages have to be meged. In that case there is no point anymore to keep third stage either, so merge all three into a single command. This new command carries all the same info as contained in "struct cfg80211_ap_settings". Signed-off-by: Igor Mitsyanko --- drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 17 +----- drivers/net/wireless/quantenna/qtnfmac/commands.c | 72 +++++++++++++---------- drivers/net/wireless/quantenna/qtnfmac/commands.h | 5 +- drivers/net/wireless/quantenna/qtnfmac/qlink.h | 5 +- 4 files changed, 47 insertions(+), 52 deletions(-) diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index 2497493..d6ddb4d 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -266,26 +266,11 @@ static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev, struct qtnf_vif *vif = qtnf_netdev_get_priv(dev); int ret; - ret = qtnf_cmd_send_config_ap(vif, settings); - if (ret) { - pr_err("VIF%u.%u: failed to push config to FW\n", - vif->mac->macid, vif->vifid); - goto out; - } - - ret = qtnf_mgmt_set_appie(vif, &settings->beacon); - if (ret) { - pr_err("VIF%u.%u: failed to add IEs to beacon\n", - vif->mac->macid, vif->vifid); - goto out; - } - - ret = qtnf_cmd_send_start_ap(vif); + ret = qtnf_cmd_send_start_ap(vif, settings); if (ret) pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid, vif->vifid); -out: return ret; } diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c index 2e30c26..1965061 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/commands.c +++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c @@ -162,56 +162,51 @@ static void qtnf_cmd_tlv_ie_set_add(struct sk_buff *cmd_skb, u8 frame_type, memcpy(tlv->ie_data, buf, len); } -int qtnf_cmd_send_start_ap(struct qtnf_vif *vif) +static bool qtnf_cmd_start_ap_can_fit(const struct qtnf_vif *vif, + const struct cfg80211_ap_settings *s) { - struct sk_buff *cmd_skb; - u16 res_code = QLINK_CMD_RESULT_OK; - int ret; + unsigned int len = sizeof(struct qlink_cmd_start_ap); - cmd_skb = qtnf_cmd_alloc_new_cmdskb(vif->mac->macid, vif->vifid, - QLINK_CMD_START_AP, - sizeof(struct qlink_cmd)); - if (unlikely(!cmd_skb)) - return -ENOMEM; + len += s->ssid_len; + len += s->beacon.head_len; + len += s->beacon.tail_len; + len += s->beacon.beacon_ies_len; + len += s->beacon.proberesp_ies_len; + len += s->beacon.assocresp_ies_len; + len += s->beacon.probe_resp_len; - qtnf_bus_lock(vif->mac->bus); - - ret = qtnf_cmd_send(vif->mac->bus, cmd_skb, &res_code); + if (cfg80211_chandef_valid(&s->chandef)) + len += sizeof(struct qlink_tlv_chandef); - if (unlikely(ret)) - goto out; - - if (unlikely(res_code != QLINK_CMD_RESULT_OK)) { - pr_err("VIF%u.%u: CMD failed: %u\n", vif->mac->macid, - vif->vifid, res_code); - ret = -EFAULT; - goto out; + if (len > (sizeof(struct qlink_cmd) + QTNF_MAX_CMD_BUF_SIZE)) { + pr_err("VIF%u.%u: can not fit AP settings: %u\n", + vif->mac->macid, vif->vifid, len); + return false; } - netif_carrier_on(vif->netdev); - -out: - qtnf_bus_unlock(vif->mac->bus); - return ret; + return true; } -int qtnf_cmd_send_config_ap(struct qtnf_vif *vif, - const struct cfg80211_ap_settings *s) +int qtnf_cmd_send_start_ap(struct qtnf_vif *vif, + const struct cfg80211_ap_settings *s) { struct sk_buff *cmd_skb; - struct qlink_cmd_config_ap *cmd; + struct qlink_cmd_start_ap *cmd; struct qlink_auth_encr *aen; u16 res_code = QLINK_CMD_RESULT_OK; int ret; int i; + if (!qtnf_cmd_start_ap_can_fit(vif, s)) + return -E2BIG; + cmd_skb = qtnf_cmd_alloc_new_cmdskb(vif->mac->macid, vif->vifid, - QLINK_CMD_CONFIG_AP, + QLINK_CMD_START_AP, sizeof(*cmd)); if (unlikely(!cmd_skb)) return -ENOMEM; - cmd = (struct qlink_cmd_config_ap *)cmd_skb->data; + cmd = (struct qlink_cmd_start_ap *)cmd_skb->data; cmd->dtim_period = s->dtim_period; cmd->beacon_interval = cpu_to_le16(s->beacon_interval); cmd->hidden_ssid = qlink_hidden_ssid_nl2q(s->hidden_ssid); @@ -255,6 +250,21 @@ int qtnf_cmd_send_config_ap(struct qtnf_vif *vif, qlink_chandef_cfg2q(&s->chandef, &chtlv->chan); } + qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_BEACON_HEAD, + s->beacon.head, s->beacon.head_len); + qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_BEACON_TAIL, + s->beacon.tail, s->beacon.tail_len); + qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_BEACON_IES, + s->beacon.beacon_ies, s->beacon.beacon_ies_len); + qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_PROBE_RESP, + s->beacon.probe_resp, s->beacon.probe_resp_len); + qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_PROBE_RESP_IES, + s->beacon.proberesp_ies, + s->beacon.proberesp_ies_len); + qtnf_cmd_tlv_ie_set_add(cmd_skb, QLINK_IE_SET_ASSOC_RESP, + s->beacon.assocresp_ies, + s->beacon.assocresp_ies_len); + qtnf_bus_lock(vif->mac->bus); ret = qtnf_cmd_send(vif->mac->bus, cmd_skb, &res_code); @@ -269,6 +279,8 @@ int qtnf_cmd_send_config_ap(struct qtnf_vif *vif, goto out; } + netif_carrier_on(vif->netdev); + out: qtnf_bus_unlock(vif->mac->bus); return ret; diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.h b/drivers/net/wireless/quantenna/qtnfmac/commands.h index d6fe3cc..d981a76 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/commands.h +++ b/drivers/net/wireless/quantenna/qtnfmac/commands.h @@ -33,9 +33,8 @@ int qtnf_cmd_send_del_intf(struct qtnf_vif *vif); int qtnf_cmd_band_info_get(struct qtnf_wmac *mac, struct ieee80211_supported_band *band); int qtnf_cmd_send_regulatory_config(struct qtnf_wmac *mac, const char *alpha2); -int qtnf_cmd_send_config_ap(struct qtnf_vif *vif, - const struct cfg80211_ap_settings *s); -int qtnf_cmd_send_start_ap(struct qtnf_vif *vif); +int qtnf_cmd_send_start_ap(struct qtnf_vif *vif, + const struct cfg80211_ap_settings *s); int qtnf_cmd_send_stop_ap(struct qtnf_vif *vif); int qtnf_cmd_send_register_mgmt(struct qtnf_vif *vif, u16 frame_type, bool reg); int qtnf_cmd_send_mgmt_frame(struct qtnf_vif *vif, u32 cookie, u16 flags, diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/wireless/quantenna/qtnfmac/qlink.h index eba73fd..9a913b6 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h +++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h @@ -183,7 +183,6 @@ enum qlink_cmd_type { QLINK_CMD_BAND_INFO_GET = 0x001A, QLINK_CMD_CHAN_SWITCH = 0x001B, QLINK_CMD_CHAN_GET = 0x001C, - QLINK_CMD_CONFIG_AP = 0x0020, QLINK_CMD_START_AP = 0x0021, QLINK_CMD_STOP_AP = 0x0022, QLINK_CMD_GET_STA_INFO = 0x0030, @@ -533,7 +532,7 @@ enum qlink_hidden_ssid { }; /** - * struct qlink_cmd_config_ap - data for QLINK_CMD_CONFIG_AP command + * struct qlink_cmd_start_ap - data for QLINK_CMD_START_AP command * * @beacon_interval: beacon interval * @inactivity_timeout: station's inactivity period in seconds @@ -545,7 +544,7 @@ enum qlink_hidden_ssid { * @aen: encryption info * @info: variable configurations */ -struct qlink_cmd_config_ap { +struct qlink_cmd_start_ap { struct qlink_cmd chdr; __le16 beacon_interval; __le16 inactivity_timeout; -- 2.9.5