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Date: Tue, 20 Nov 2007 14:14:26 +0100 From: Laszlo Attila Toth <panther@...abit.hu> To: David Miller <davem@...emloft.net>, Patrick McHardy <kaber@...sh.net> Cc: netdev@...r.kernel.org, netfilter-devel@...r.kernel.org, Laszlo Attila Toth <panther@...abit.hu> Subject: [PATCHv6 2/3] Interface group: core (netlink) part Interface groups let handle different interfaces together. Modified net device structure and netlink interface. Signed-off-by: Laszlo Attila Toth <panther@...abit.hu> --- include/linux/if_link.h | 2 ++ include/linux/netdevice.h | 2 ++ net/core/rtnetlink.c | 11 +++++++++++ 3 files changed, 15 insertions(+), 0 deletions(-) diff --git a/include/linux/if_link.h b/include/linux/if_link.h index 84c3492..722b25c 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -79,6 +79,8 @@ enum IFLA_LINKINFO, #define IFLA_LINKINFO IFLA_LINKINFO IFLA_NET_NS_PID, + IFLA_IFGROUP, +#define IFLA_IFGROUP IFLA_IFGROUP __IFLA_MAX }; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 1e6af4f..b1bdcb2 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -519,6 +519,8 @@ struct net_device /* Interface index. Unique device identifier */ int ifindex; int iflink; + /* interface group this interface belongs to */ + u_int32_t ifgroup; struct net_device_stats* (*get_stats)(struct net_device *dev); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 20cb67e..a710813 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -614,6 +614,7 @@ static inline size_t if_nlmsg_size(const struct net_device *dev) + nla_total_size(4) /* IFLA_MTU */ + nla_total_size(4) /* IFLA_LINK */ + nla_total_size(4) /* IFLA_MASTER */ + + nla_total_size(4) /* IFLA_IFGROUP */ + nla_total_size(1) /* IFLA_OPERSTATE */ + nla_total_size(1) /* IFLA_LINKMODE */ + rtnl_link_get_size(dev); /* IFLA_LINKINFO */ @@ -651,6 +652,9 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, if (dev->master) NLA_PUT_U32(skb, IFLA_MASTER, dev->master->ifindex); + if (dev->ifgroup) + NLA_PUT_U32(skb, IFLA_IFGROUP, dev->ifgroup); + if (dev->qdisc_sleeping) NLA_PUT_STRING(skb, IFLA_QDISC, dev->qdisc_sleeping->ops->id); @@ -890,6 +894,13 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm, } } + if (tb[IFLA_IFGROUP]) { + if (dev->ifgroup != nla_get_u32(tb[IFLA_IFGROUP])) { + dev->ifgroup = nla_get_u32(tb[IFLA_IFGROUP]); + modified = 1; + } + } + err = 0; errout: -- 1.5.2.5 - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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