projects / ovs.git / blame
| Commit | Line | Data |
|---|---|---|
| 6e0ce48e JG |
1 | /* |
| 2 | * Copyright (c) 2011 Nicira Networks. | |
| 3 | * Distributed under the terms of the GNU GPL version 2. | |
| 4 | * | |
| 5 | * Significant portions of this file may be copied from parts of the Linux | |
| 6 | * kernel, by Linus Torvalds and others. | |
| 7 | */ | |
| 8 | ||
| 9 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
| 10 | ||
| 11 | #include <linux/if_vlan.h> | |
| 12 | #include <linux/skbuff.h> | |
| 13 | ||
| 14 | #include "datapath.h" | |
| 15 | #include "vlan.h" | |
| 16 | ||
| 17 | #ifdef NEED_VLAN_FIELD | |
| 18 | void vlan_copy_skb_tci(struct sk_buff *skb) | |
| 19 | { | |
| 20 | OVS_CB(skb)->vlan_tci = 0; | |
| 21 | } | |
| 22 | ||
| 23 | u16 vlan_get_tci(struct sk_buff *skb) | |
| 24 | { | |
| 25 | return OVS_CB(skb)->vlan_tci; | |
| 26 | } | |
| 27 | ||
| 28 | void vlan_set_tci(struct sk_buff *skb, u16 vlan_tci) | |
| 29 | { | |
| 30 | OVS_CB(skb)->vlan_tci = vlan_tci; | |
| 31 | } | |
| 32 | ||
| 33 | bool vlan_tx_tag_present(struct sk_buff *skb) | |
| 34 | { | |
| 35 | return OVS_CB(skb)->vlan_tci & VLAN_TAG_PRESENT; | |
| 36 | } | |
| 37 | ||
| 38 | u16 vlan_tx_tag_get(struct sk_buff *skb) | |
| 39 | { | |
| 40 | return OVS_CB(skb)->vlan_tci & ~VLAN_TAG_PRESENT; | |
| 41 | } | |
| 42 | ||
| 43 | struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb, u16 vlan_tci) | |
| 44 | { | |
| 45 | OVS_CB(skb)->vlan_tci = vlan_tci | VLAN_TAG_PRESENT; | |
| 46 | return skb; | |
| 47 | } | |
| 48 | #endif /* NEED_VLAN_FIELD */ |