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vlan: Implement vlan_dev_get_egress_qos_mask as an inline.

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This is to avoid very silly Kconfig dependencies for modules
using this routine.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2013-11-11 00:42:07 -05:00
parent 170e85430b
commit e267cb960a
3 changed files with 99 additions and 107 deletions
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31
net/8021q/vlan_dev.c
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@@ -68,31 +68,6 @@ static int vlan_dev_rebuild_header(struct sk_buff *skb)
return 0;
}
static inline u16
__vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio)
{
struct vlan_priority_tci_mapping *mp;
smp_rmb(); /* coupled with smp_wmb() in vlan_dev_set_egress_priority() */
mp = vlan_dev_priv(dev)->egress_priority_map[(skprio & 0xF)];
while (mp) {
if (mp->priority == skprio) {
return mp->vlan_qos; /* This should already be shifted
* to mask correctly with the
* VLAN's TCI */
}
mp = mp->next;
}
return 0;
}
u16 vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio)
{
return __vlan_dev_get_egress_qos_mask(dev, skprio);
}
EXPORT_SYMBOL(vlan_dev_get_egress_qos_mask);
/*
* Create the VLAN header for an arbitrary protocol layer
*
@@ -117,7 +92,7 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
vhdr = (struct vlan_hdr *) skb_push(skb, VLAN_HLEN);
vlan_tci = vlan->vlan_id;
vlan_tci |= __vlan_dev_get_egress_qos_mask(dev, skb->priority);
vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority);
vhdr->h_vlan_TCI = htons(vlan_tci);
/*
@@ -174,7 +149,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
vlan->flags & VLAN_FLAG_REORDER_HDR) {
u16 vlan_tci;
vlan_tci = vlan->vlan_id;
vlan_tci |= __vlan_dev_get_egress_qos_mask(dev, skb->priority);
vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb->priority);
skb = __vlan_hwaccel_put_tag(skb, vlan->vlan_proto, vlan_tci);
}
@@ -259,7 +234,7 @@ int vlan_dev_set_egress_priority(const struct net_device *dev,
np->vlan_qos = vlan_qos;
/* Before inserting this element in hash table, make sure all its fields
* are committed to memory.
* coupled with smp_rmb() in __vlan_dev_get_egress_qos_mask()
* coupled with smp_rmb() in vlan_dev_get_egress_qos_mask()
*/
smp_wmb();
vlan->egress_priority_map[skb_prio & 0xF] = np;