diff options
| author | Patrick McHardy <kaber@trash.net> | 2007-07-14 18:55:06 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-07-14 18:55:06 -0700 |
| commit | b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53 (patch) | |
| tree | a65d5e4be77666600c0005c5f4c9091df63a3a1b /net | |
| parent | 56addd6eeeb4e11f5a0af7093ca078e0f29140e0 (diff) | |
| download | linux-b863ceb7ddcea8c55fcf1d7b2ac591d50aa7ed53.tar.bz2 | |
[NET]: Add macvlan driver
Add macvlan driver, which allows to create virtual ethernet devices
based on MAC address.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 59ec811d2b54..13a0d9f6da54 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -98,6 +98,7 @@ #include <linux/seq_file.h> #include <linux/stat.h> #include <linux/if_bridge.h> +#include <linux/if_macvlan.h> #include <net/dst.h> #include <net/pkt_sched.h> #include <net/checksum.h> @@ -1813,6 +1814,28 @@ static inline struct sk_buff *handle_bridge(struct sk_buff *skb, #define handle_bridge(skb, pt_prev, ret, orig_dev) (skb) #endif +#if defined(CONFIG_MACVLAN) || defined(CONFIG_MACVLAN_MODULE) +struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *skb) __read_mostly; +EXPORT_SYMBOL_GPL(macvlan_handle_frame_hook); + +static inline struct sk_buff *handle_macvlan(struct sk_buff *skb, + struct packet_type **pt_prev, + int *ret, + struct net_device *orig_dev) +{ + if (skb->dev->macvlan_port == NULL) + return skb; + + if (*pt_prev) { + *ret = deliver_skb(skb, *pt_prev, orig_dev); + *pt_prev = NULL; + } + return macvlan_handle_frame_hook(skb); +} +#else +#define handle_macvlan(skb, pt_prev, ret, orig_dev) (skb) +#endif + #ifdef CONFIG_NET_CLS_ACT /* TODO: Maybe we should just force sch_ingress to be compiled in * when CONFIG_NET_CLS_ACT is? otherwise some useless instructions @@ -1920,6 +1943,9 @@ ncls: skb = handle_bridge(skb, &pt_prev, &ret, orig_dev); if (!skb) goto out; + skb = handle_macvlan(skb, &pt_prev, &ret, orig_dev); + if (!skb) + goto out; type = skb->protocol; list_for_each_entry_rcu(ptype, &ptype_base[ntohs(type)&15], list) { |