vlan: clean up hard_start_xmit functions

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

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 35 deletions

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index c6678605fc03..c3adba9501cb 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -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);
+            vlan_dev_info(dev)->flags & VLAN_FLAG_REORDER_HDR) {
+                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)