diff options
| -rw-r--r-- | include/linux/rtnetlink.h | 2 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 39 |
2 files changed, 23 insertions, 18 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index d607219af6a..1ecaea74d55 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -93,6 +93,8 @@ enum { #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) }; +#define RTM_FAM(cmd) (((cmd) - RTM_BASE) >> 2) + /* Generic structure for encapsulation of optional route information. It is reminiscent of sockaddr, but with sa_family replaced diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index d8c198e42f9..58a98180626 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -88,28 +88,31 @@ struct rtnetlink_link * rtnetlink_links[NPROTO]; static const int rtm_min[(RTM_MAX+1-RTM_BASE)/4] = { - NLMSG_LENGTH(sizeof(struct ifinfomsg)), - NLMSG_LENGTH(sizeof(struct ifaddrmsg)), - NLMSG_LENGTH(sizeof(struct rtmsg)), - NLMSG_LENGTH(sizeof(struct ndmsg)), - NLMSG_LENGTH(sizeof(struct rtmsg)), - NLMSG_LENGTH(sizeof(struct tcmsg)), - NLMSG_LENGTH(sizeof(struct tcmsg)), - NLMSG_LENGTH(sizeof(struct tcmsg)), - NLMSG_LENGTH(sizeof(struct tcamsg)) + [RTM_FAM(RTM_NEWLINK)] = NLMSG_LENGTH(sizeof(struct ifinfomsg)), + [RTM_FAM(RTM_NEWADDR)] = NLMSG_LENGTH(sizeof(struct ifaddrmsg)), + [RTM_FAM(RTM_NEWROUTE)] = NLMSG_LENGTH(sizeof(struct rtmsg)), + [RTM_FAM(RTM_NEWNEIGH)] = NLMSG_LENGTH(sizeof(struct ndmsg)), + [RTM_FAM(RTM_NEWRULE)] = NLMSG_LENGTH(sizeof(struct rtmsg)), + [RTM_FAM(RTM_NEWQDISC)] = NLMSG_LENGTH(sizeof(struct tcmsg)), + [RTM_FAM(RTM_NEWTCLASS)] = NLMSG_LENGTH(sizeof(struct tcmsg)), + [RTM_FAM(RTM_NEWTFILTER)] = NLMSG_LENGTH(sizeof(struct tcmsg)), + [RTM_FAM(RTM_NEWACTION)] = NLMSG_LENGTH(sizeof(struct tcamsg)), + [RTM_FAM(RTM_NEWPREFIX)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)), + [RTM_FAM(RTM_GETMULTICAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)), + [RTM_FAM(RTM_GETANYCAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)), }; static const int rta_max[(RTM_MAX+1-RTM_BASE)/4] = { - IFLA_MAX, - IFA_MAX, - RTA_MAX, - NDA_MAX, - RTA_MAX, - TCA_MAX, - TCA_MAX, - TCA_MAX, - TCAA_MAX + [RTM_FAM(RTM_NEWLINK)] = IFLA_MAX, + [RTM_FAM(RTM_NEWADDR)] = IFA_MAX, + [RTM_FAM(RTM_NEWROUTE)] = RTA_MAX, + [RTM_FAM(RTM_NEWNEIGH)] = NDA_MAX, + [RTM_FAM(RTM_NEWRULE)] = RTA_MAX, + [RTM_FAM(RTM_NEWQDISC)] = TCA_MAX, + [RTM_FAM(RTM_NEWTCLASS)] = TCA_MAX, + [RTM_FAM(RTM_NEWTFILTER)] = TCA_MAX, + [RTM_FAM(RTM_NEWACTION)] = TCAA_MAX, }; void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data) |