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authorPatrick McHardy <kaber@trash.net>2007-07-11 19:42:31 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-11 19:45:36 -0700
commit0e06877c6fdbc67b1132be895f995acd1ff30135 (patch)
treeddaba8cddc8a95d23ee18f812c6aba67dd9b1c6f /net/core
parent2d85cba2b272a5201a60966a65a4f8c0bcc0bb71 (diff)
[RTNETLINK]: rtnl_link: allow specifying initial device address
Drivers need to validate the initial addresses in their netlink attribute validation function or manually reject them if they can't support this. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/rtnetlink.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 7b6b1639674..864cbdf31ed 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1032,8 +1032,7 @@ replay:
if (ifm->ifi_index || ifm->ifi_flags || ifm->ifi_change)
return -EOPNOTSUPP;
- if (tb[IFLA_ADDRESS] || tb[IFLA_BROADCAST] || tb[IFLA_MAP] ||
- tb[IFLA_MASTER] || tb[IFLA_PROTINFO])
+ if (tb[IFLA_MAP] || tb[IFLA_MASTER] || tb[IFLA_PROTINFO])
return -EOPNOTSUPP;
if (!ops) {
@@ -1065,6 +1064,12 @@ replay:
if (tb[IFLA_MTU])
dev->mtu = nla_get_u32(tb[IFLA_MTU]);
+ if (tb[IFLA_ADDRESS])
+ memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]),
+ nla_len(tb[IFLA_ADDRESS]));
+ if (tb[IFLA_BROADCAST])
+ memcpy(dev->broadcast, nla_data(tb[IFLA_BROADCAST]),
+ nla_len(tb[IFLA_BROADCAST]));
if (tb[IFLA_TXQLEN])
dev->tx_queue_len = nla_get_u32(tb[IFLA_TXQLEN]);
if (tb[IFLA_WEIGHT])