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Commit 9766d1dd authored by Igor Mitsyanko's avatar Igor Mitsyanko Committed by Kalle Valo
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qtnfmac: do not cache BSS state in per-VIF structure 



This cached state is used only once immediately after it is
initilized, except for BSSID value that is used for events processing.
There is no reason in keeping unused data in driver's state.

Signed-off-by: default avatarIgor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent d7b80052

drivers/net/wireless/quantenna/qtnfmac/cfg80211.c

+7 −33
Original line number Diff line number Diff line
@@ -131,6 +131,7 @@ int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 
	vif->netdev = NULL;

	vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;

	eth_zero_addr(vif->mac_addr);

	eth_zero_addr(vif->bssid);



	return 0;

}
@@ -199,6 +200,8 @@ static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy, 
	qtnf_cmd_send_del_intf(vif);

err_cmd:

	vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;

	eth_zero_addr(vif->mac_addr);

	eth_zero_addr(vif->bssid);



	return ERR_PTR(-EFAULT);

}
@@ -567,7 +570,6 @@ qtnf_connect(struct wiphy *wiphy, struct net_device *dev, 
	     struct cfg80211_connect_params *sme)

{

	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);

	struct qtnf_bss_config *bss_cfg;

	int ret;



	if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
@@ -576,38 +578,10 @@ qtnf_connect(struct wiphy *wiphy, struct net_device *dev, 
	if (vif->sta_state != QTNF_STA_DISCONNECTED)

		return -EBUSY;



	bss_cfg = &vif->bss_cfg;

	memset(bss_cfg, 0, sizeof(*bss_cfg));



	bss_cfg->ssid_len = sme->ssid_len;

	memcpy(&bss_cfg->ssid, sme->ssid, bss_cfg->ssid_len);

	bss_cfg->auth_type = sme->auth_type;

	bss_cfg->privacy = sme->privacy;

	bss_cfg->mfp = sme->mfp;



	if ((sme->bg_scan_period > 0) &&

	    (sme->bg_scan_period <= QTNF_MAX_BG_SCAN_PERIOD))

		bss_cfg->bg_scan_period = sme->bg_scan_period;

	else if (sme->bg_scan_period == -1)

		bss_cfg->bg_scan_period = QTNF_DEFAULT_BG_SCAN_PERIOD;

	else

		bss_cfg->bg_scan_period = 0; /* disabled */



	bss_cfg->connect_flags = 0;



	if (sme->flags & ASSOC_REQ_DISABLE_HT)

		bss_cfg->connect_flags |= QLINK_STA_CONNECT_DISABLE_HT;

	if (sme->flags & ASSOC_REQ_DISABLE_VHT)

		bss_cfg->connect_flags |= QLINK_STA_CONNECT_DISABLE_VHT;

	if (sme->flags & ASSOC_REQ_USE_RRM)

		bss_cfg->connect_flags |= QLINK_STA_CONNECT_USE_RRM;



	memcpy(&bss_cfg->crypto, &sme->crypto, sizeof(bss_cfg->crypto));



	if (sme->bssid)

		ether_addr_copy(bss_cfg->bssid, sme->bssid);

		ether_addr_copy(vif->bssid, sme->bssid);

	else

		eth_zero_addr(bss_cfg->bssid);

		eth_zero_addr(vif->bssid);



	ret = qtnf_cmd_send_connect(vif, sme);

	if (ret) {
@@ -1021,7 +995,7 @@ void qtnf_virtual_intf_cleanup(struct net_device *ndev) 
			break;

		case QTNF_STA_CONNECTING:

			cfg80211_connect_result(vif->netdev,

						vif->bss_cfg.bssid, NULL, 0,

						vif->bssid, NULL, 0,

						NULL, 0,

						WLAN_STATUS_UNSPECIFIED_FAILURE,

						GFP_KERNEL);
@@ -1048,7 +1022,7 @@ void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif) 
		switch (vif->sta_state) {

		case QTNF_STA_CONNECTING:

			cfg80211_connect_result(vif->netdev,

						vif->bss_cfg.bssid, NULL, 0,

						vif->bssid, NULL, 0,

						NULL, 0,

						WLAN_STATUS_UNSPECIFIED_FAILURE,

						GFP_KERNEL);

drivers/net/wireless/quantenna/qtnfmac/commands.c

+32 −17
Original line number Diff line number Diff line
@@ -2037,11 +2037,11 @@ int qtnf_cmd_send_connect(struct qtnf_vif *vif, 
{

	struct sk_buff *cmd_skb;

	struct qlink_cmd_connect *cmd;

	struct qtnf_bss_config *bss_cfg = &vif->bss_cfg;

	struct qlink_auth_encr aen;

	u16 res_code = QLINK_CMD_RESULT_OK;

	int ret;

	int i;

	u32 connect_flags = 0;



	cmd_skb = qtnf_cmd_alloc_new_cmdskb(vif->mac->macid, vif->vifid,

					    QLINK_CMD_CONNECT,
@@ -2053,42 +2053,57 @@ int qtnf_cmd_send_connect(struct qtnf_vif *vif, 


	cmd = (struct qlink_cmd_connect *)cmd_skb->data;



	ether_addr_copy(cmd->bssid, bss_cfg->bssid);

	ether_addr_copy(cmd->bssid, vif->bssid);



	if (sme->channel)

		cmd->channel = cpu_to_le16(sme->channel->hw_value);

	else

		cmd->channel = 0;



	cmd->bg_scan_period = cpu_to_le16(bss_cfg->bg_scan_period);

	if ((sme->bg_scan_period > 0) &&

	    (sme->bg_scan_period <= QTNF_MAX_BG_SCAN_PERIOD))

		cmd->bg_scan_period = cpu_to_le16(sme->bg_scan_period);

	else if (sme->bg_scan_period == -1)

		cmd->bg_scan_period = cpu_to_le16(QTNF_DEFAULT_BG_SCAN_PERIOD);

	else

		cmd->bg_scan_period = 0; /* disabled */



	if (sme->flags & ASSOC_REQ_DISABLE_HT)

		connect_flags |= QLINK_STA_CONNECT_DISABLE_HT;

	if (sme->flags & ASSOC_REQ_DISABLE_VHT)

		connect_flags |= QLINK_STA_CONNECT_DISABLE_VHT;

	if (sme->flags & ASSOC_REQ_USE_RRM)

		connect_flags |= QLINK_STA_CONNECT_USE_RRM;



	cmd->flags = cpu_to_le32(connect_flags);



	memset(&aen, 0, sizeof(aen));

	aen.auth_type = bss_cfg->auth_type;

	aen.privacy = !!bss_cfg->privacy;

	aen.mfp = bss_cfg->mfp;

	aen.wpa_versions = cpu_to_le32(bss_cfg->crypto.wpa_versions);

	aen.cipher_group = cpu_to_le32(bss_cfg->crypto.cipher_group);

	aen.auth_type = sme->auth_type;

	aen.privacy = !!sme->privacy;

	aen.mfp = sme->mfp;

	aen.wpa_versions = cpu_to_le32(sme->crypto.wpa_versions);

	aen.cipher_group = cpu_to_le32(sme->crypto.cipher_group);

	aen.n_ciphers_pairwise = cpu_to_le32(

					bss_cfg->crypto.n_ciphers_pairwise);

		sme->crypto.n_ciphers_pairwise);



	for (i = 0; i < QLINK_MAX_NR_CIPHER_SUITES; i++)

		aen.ciphers_pairwise[i] = cpu_to_le32(

					bss_cfg->crypto.ciphers_pairwise[i]);

			sme->crypto.ciphers_pairwise[i]);



	aen.n_akm_suites = cpu_to_le32(bss_cfg->crypto.n_akm_suites);

	aen.n_akm_suites = cpu_to_le32(sme->crypto.n_akm_suites);



	for (i = 0; i < QLINK_MAX_NR_AKM_SUITES; i++)

		aen.akm_suites[i] = cpu_to_le32(

					bss_cfg->crypto.akm_suites[i]);

			sme->crypto.akm_suites[i]);



	aen.control_port = bss_cfg->crypto.control_port;

	aen.control_port = sme->crypto.control_port;

	aen.control_port_no_encrypt =

			bss_cfg->crypto.control_port_no_encrypt;

		sme->crypto.control_port_no_encrypt;

	aen.control_port_ethertype = cpu_to_le16(be16_to_cpu(

				bss_cfg->crypto.control_port_ethertype));

		sme->crypto.control_port_ethertype));



	qtnf_cmd_skb_put_tlv_arr(cmd_skb, WLAN_EID_SSID, bss_cfg->ssid,

				 bss_cfg->ssid_len);

	qtnf_cmd_skb_put_tlv_arr(cmd_skb, WLAN_EID_SSID, sme->ssid,

		sme->ssid_len);

	qtnf_cmd_skb_put_tlv_arr(cmd_skb, QTN_TLV_ID_CRYPTO, (u8 *)&aen,

				 sizeof(aen));

drivers/net/wireless/quantenna/qtnfmac/core.h

+3 −16
Original line number Diff line number Diff line
@@ -57,20 +57,6 @@ extern const struct net_device_ops qtnf_netdev_ops; 
struct qtnf_bus;

struct qtnf_vif;



struct qtnf_bss_config {

	u8 ssid[IEEE80211_MAX_SSID_LEN];

	u8 bssid[ETH_ALEN];

	size_t ssid_len;

	u8 dtim;

	u16 bcn_period;

	u16 auth_type;

	bool privacy;

	enum nl80211_mfp mfp;

	struct cfg80211_crypto_settings crypto;

	u16 bg_scan_period;

	u32 connect_flags;

};



struct qtnf_sta_node {

	struct list_head list;

	u8 mac_addr[ETH_ALEN];
@@ -89,6 +75,8 @@ enum qtnf_sta_state { 


struct qtnf_vif {

	struct wireless_dev wdev;

	u8 bssid[ETH_ALEN];

	u8 mac_addr[ETH_ALEN];

	u8 vifid;

	u8 bss_priority;

	u8 bss_status;
@@ -96,9 +84,8 @@ struct qtnf_vif { 
	u16 mgmt_frames_bitmask;

	struct net_device *netdev;

	struct qtnf_wmac *mac;

	u8 mac_addr[ETH_ALEN];



	struct work_struct reset_work;

	struct qtnf_bss_config bss_cfg;

	struct qtnf_sta_list sta_list;

	unsigned long cons_tx_timeout_cnt;

};