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Commit d80aa31b authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

vlan: clean up hard_start_xmit functions 



Remove excessive comments and debugging, use NETDEV_TX codes,
remove some empty lines.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1349fe9a

net/8021q/vlan_dev.c

+6 −35
Original line number Diff line number Diff line
@@ -307,53 +307,31 @@ static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 
	 * NOTE: THIS ASSUMES DIX ETHERNET, SPECIFICALLY NOT SUPPORTING

	 * OTHER THINGS LIKE FDDI/TokenRing/802.3 SNAPs...

	 */



	if (veth->h_vlan_proto != htons(ETH_P_8021Q) ||

	    vlan_dev_info(dev)->flags & VLAN_FLAG_REORDER_HDR) {

		int orig_headroom = skb_headroom(skb);

		unsigned int orig_headroom = skb_headroom(skb);

		u16 vlan_tci;



		/* This is not a VLAN frame...but we can fix that! */

		vlan_dev_info(dev)->cnt_encap_on_xmit++;



		pr_debug("%s: proto to encap: 0x%hx\n",

			 __func__, ntohs(veth->h_vlan_proto));

		/* Construct the second two bytes. This field looks something

		 * like:

		 * usr_priority: 3 bits	 (high bits)

		 * CFI		 1 bit

		 * VLAN ID	 12 bits (low bits)

		 */

		vlan_tci = vlan_dev_info(dev)->vlan_id;

		vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);



		skb = __vlan_put_tag(skb, vlan_tci);

		if (!skb) {

			stats->tx_dropped++;

			return 0;

			return NETDEV_TX_OK;

		}



		if (orig_headroom < VLAN_HLEN)

			vlan_dev_info(dev)->cnt_inc_headroom_on_tx++;

	}



	pr_debug("%s: about to send skb: %p to dev: %s\n",

		__func__, skb, skb->dev->name);

	pr_debug("  " MAC_FMT " " MAC_FMT " %4hx %4hx %4hx\n",

		 veth->h_dest[0], veth->h_dest[1], veth->h_dest[2],

		 veth->h_dest[3], veth->h_dest[4], veth->h_dest[5],

		 veth->h_source[0], veth->h_source[1], veth->h_source[2],

		 veth->h_source[3], veth->h_source[4], veth->h_source[5],

		 veth->h_vlan_proto, veth->h_vlan_TCI,

		 veth->h_vlan_encapsulated_proto);



	stats->tx_packets++; /* for statics only */

	stats->tx_packets++;

	stats->tx_bytes += skb->len;



	skb->dev = vlan_dev_info(dev)->real_dev;

	dev_queue_xmit(skb);



	return 0;

	return NETDEV_TX_OK;

}



static int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
@@ -362,12 +340,6 @@ static int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, 
	struct net_device_stats *stats = &dev->stats;

	u16 vlan_tci;



	/* Construct the second two bytes. This field looks something

	 * like:

	 * usr_priority: 3 bits	 (high bits)

	 * CFI		 1 bit

	 * VLAN ID	 12 bits (low bits)

	 */

	vlan_tci = vlan_dev_info(dev)->vlan_id;

	vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);

	skb = __vlan_hwaccel_put_tag(skb, vlan_tci);
@@ -377,8 +349,7 @@ static int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, 


	skb->dev = vlan_dev_info(dev)->real_dev;

	dev_queue_xmit(skb);



	return 0;

	return NETDEV_TX_OK;

}



static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)