cfg80211: Add support for QoS mapping (fa9ffc74) · Commits · 戴 / test

drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1873,7 +1873,7 @@ int brcmf_fws_process_skb(struct brcmf_if ifp, struct sk_buff skb)
		brcmf_dbg(DATA, "tx proto=0x%X\n", ntohs(eh->h_proto));
		/* determine the priority */
		if (!skb->priority)
		skb->priority = cfg80211_classify8021d(skb);
		skb->priority = cfg80211_classify8021d(skb, NULL);

		drvr->tx_multicast += !!multicast;
		if (pae)

drivers/net/wireless/mwifiex/main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -749,7 +749,7 @@ static struct net_device_stats mwifiex_get_stats(struct net_device dev)
		static u16
		mwifiex_netdev_select_wmm_queue(struct net_device dev, struct sk_buff skb)
		{
		skb->priority = cfg80211_classify8021d(skb);
		skb->priority = cfg80211_classify8021d(skb, NULL);
		return mwifiex_1d_to_wmm_queue[skb->priority];
		}

include/net/cfg80211.h

+52 −1

Original line number	Diff line number	Diff line
		@@ -1971,6 +1971,50 @@ struct cfg80211_mgmt_tx_params {
		bool dont_wait_for_ack;
		};

		/**
		* struct cfg80211_dscp_exception - DSCP exception
		*
		* @dscp: DSCP value that does not adhere to the user priority range definition
		* @up: user priority value to which the corresponding DSCP value belongs
		*/
		struct cfg80211_dscp_exception {
		u8 dscp;
		u8 up;
		};

		/**
		* struct cfg80211_dscp_range - DSCP range definition for user priority
		*
		* @low: lowest DSCP value of this user priority range, inclusive
		* @high: highest DSCP value of this user priority range, inclusive
		*/
		struct cfg80211_dscp_range {
		u8 low;
		u8 high;
		};

		/* QoS Map Set element length defined in IEEE Std 802.11-2012, 8.4.2.97 */
		#define IEEE80211_QOS_MAP_MAX_EX 21
		#define IEEE80211_QOS_MAP_LEN_MIN 16
		#define IEEE80211_QOS_MAP_LEN_MAX \
		(IEEE80211_QOS_MAP_LEN_MIN + 2 * IEEE80211_QOS_MAP_MAX_EX)

		/**
		* struct cfg80211_qos_map - QoS Map Information
		*
		* This struct defines the Interworking QoS map setting for DSCP values
		*
		* @num_des: number of DSCP exceptions (0..21)
		* @dscp_exception: optionally up to maximum of 21 DSCP exceptions from
		* the user priority DSCP range definition
		* @up: DSCP range definition for a particular user priority
		*/
		struct cfg80211_qos_map {
		u8 num_des;
		struct cfg80211_dscp_exception dscp_exception[IEEE80211_QOS_MAP_MAX_EX];
		struct cfg80211_dscp_range up[8];
		};

		/**
		* struct cfg80211_ops - backend description for wireless configuration
		*
		@@ -2213,6 +2257,8 @@ struct cfg80211_mgmt_tx_params {
		* @set_coalesce: Set coalesce parameters.
		*
		* @channel_switch: initiate channel-switch procedure (with CSA)
		*
		* @set_qos_map: Set QoS mapping information to the driver
		*/
		struct cfg80211_ops {
		int (suspend)(struct wiphy wiphy, struct cfg80211_wowlan *wow);
		@@ -2454,6 +2500,9 @@ struct cfg80211_ops {
		int (channel_switch)(struct wiphy wiphy,
		struct net_device *dev,
		struct cfg80211_csa_settings *params);
		int (set_qos_map)(struct wiphy wiphy,
		struct net_device *dev,
		struct cfg80211_qos_map *qos_map);
		};

		/*
		@@ -3432,9 +3481,11 @@ void ieee80211_amsdu_to_8023s(struct sk_buff skb, struct sk_buff_head list,
		/**
		* cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame
		* @skb: the data frame
		* @qos_map: Interworking QoS mapping or %NULL if not in use
		* Return: The 802.1p/1d tag.
		*/
		unsigned int cfg80211_classify8021d(struct sk_buff *skb);
		unsigned int cfg80211_classify8021d(struct sk_buff *skb,
		struct cfg80211_qos_map *qos_map);

		/**
		* cfg80211_find_ie - find information element in data

include/uapi/linux/nl80211.h

+14 −0

Original line number	Diff line number	Diff line
		@@ -702,6 +702,12 @@
		* (&struct nl80211_vendor_cmd_info) of the supported vendor commands.
		* This may also be sent as an event with the same attributes.
		*
		* @NL80211_CMD_SET_QOS_MAP: Set Interworking QoS mapping for IP DSCP values.
		* The QoS mapping information is included in %NL80211_ATTR_QOS_MAP. If
		* that attribute is not included, QoS mapping is disabled. Since this
		* QoS mapping is relevant for IP packets, it is only valid during an
		* association. This is cleared on disassociation and AP restart.
		*
		* @NL80211_CMD_MAX: highest used command number
		* @__NL80211_CMD_AFTER_LAST: internal use
		*/
		@@ -871,6 +877,8 @@ enum nl80211_commands {

		NL80211_CMD_VENDOR,

		NL80211_CMD_SET_QOS_MAP,

		/* add new commands above here */

		/* used to define NL80211_CMD_MAX below */
		@@ -1543,6 +1551,10 @@ enum nl80211_commands {
		* @NL80211_ATTR_VENDOR_EVENTS: used for event list advertising in the wiphy
		* info, containing a nested array of possible events
		*
		* @NL80211_ATTR_QOS_MAP: IP DSCP mapping for Interworking QoS mapping. This
		* data is in the format defined for the payload of the QoS Map Set element
		* in IEEE Std 802.11-2012, 8.4.2.97.
		*
		* @NL80211_ATTR_MAX: highest attribute number currently defined
		* @__NL80211_ATTR_AFTER_LAST: internal use
		*/
		@@ -1869,6 +1881,8 @@ enum nl80211_attrs {
		NL80211_ATTR_VENDOR_DATA,
		NL80211_ATTR_VENDOR_EVENTS,

		NL80211_ATTR_QOS_MAP,

		/* add attributes here, update the policy in nl80211.c */

		__NL80211_ATTR_AFTER_LAST,

net/mac80211/wme.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -155,7 +155,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,

		/* use the data classifier to determine what 802.1d tag the
		* data frame has */
		skb->priority = cfg80211_classify8021d(skb);
		skb->priority = cfg80211_classify8021d(skb, NULL);

		return ieee80211_downgrade_queue(sdata, skb);
		}

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