[IPV6]: Don't redo xfrm_lookup for cached dst entries

[linux-2.6] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 56a20f014b8a2d96890975d078d63ffc164dbc82..9bed7569ce3f30b7f13f522f973aa45e73a2840f 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -126,6 +126,7 @@ void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data
        rta->rta_type = attrtype;
        rta->rta_len = size;
        memcpy(RTA_DATA(rta), data, attrlen);
+       memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size);
 }
 
 size_t rtattr_strlcpy(char *dest, const struct rtattr *rta, size_t size)
@@ -147,7 +148,7 @@ int rtnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, int echo)
 {
        int err = 0;
 
-       NETLINK_CB(skb).dst_groups = group;
+       NETLINK_CB(skb).dst_group = group;
        if (echo)
                atomic_inc(&skb->users);
        netlink_broadcast(rtnl, skb, pid, group, GFP_KERNEL);
@@ -178,16 +179,17 @@ rtattr_failure:
 
 
 static int rtnetlink_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
-                                int type, u32 pid, u32 seq, u32 change)
+                                int type, u32 pid, u32 seq, u32 change, 
+                                unsigned int flags)
 {
        struct ifinfomsg *r;
        struct nlmsghdr  *nlh;
        unsigned char    *b = skb->tail;
 
-       nlh = NLMSG_PUT(skb, pid, seq, type, sizeof(*r));
-       if (pid) nlh->nlmsg_flags |= NLM_F_MULTI;
+       nlh = NLMSG_NEW(skb, pid, seq, type, sizeof(*r), flags);
        r = NLMSG_DATA(nlh);
        r->ifi_family = AF_UNSPEC;
+       r->__ifi_pad = 0;
        r->ifi_type = dev->type;
        r->ifi_index = dev->ifindex;
        r->ifi_flags = dev_get_flags(dev);
@@ -275,7 +277,10 @@ static int rtnetlink_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *c
        for (dev=dev_base, idx=0; dev; dev = dev->next, idx++) {
                if (idx < s_idx)
                        continue;
-               if (rtnetlink_fill_ifinfo(skb, dev, RTM_NEWLINK, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, 0) <= 0)
+               if (rtnetlink_fill_ifinfo(skb, dev, RTM_NEWLINK,
+                                         NETLINK_CB(cb->skb).pid,
+                                         cb->nlh->nlmsg_seq, 0,
+                                         NLM_F_MULTI) <= 0)
                        break;
        }
        read_unlock(&dev_base_lock);
@@ -449,12 +454,12 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
        if (!skb)
                return;
 
-       if (rtnetlink_fill_ifinfo(skb, dev, type, 0, 0, change) < 0) {
+       if (rtnetlink_fill_ifinfo(skb, dev, type, current->pid, 0, change, 0) < 0) {
                kfree_skb(skb);
                return;
        }
-       NETLINK_CB(skb).dst_groups = RTMGRP_LINK;
-       netlink_broadcast(rtnl, skb, 0, RTMGRP_LINK, GFP_KERNEL);
+       NETLINK_CB(skb).dst_group = RTNLGRP_LINK;
+       netlink_broadcast(rtnl, skb, 0, RTNLGRP_LINK, GFP_KERNEL);
 }
 
 static int rtnetlink_done(struct netlink_callback *cb)
@@ -703,7 +708,8 @@ void __init rtnetlink_init(void)
        if (!rta_buf)
                panic("rtnetlink_init: cannot allocate rta_buf\n");
 
-       rtnl = netlink_kernel_create(NETLINK_ROUTE, rtnetlink_rcv);
+       rtnl = netlink_kernel_create(NETLINK_ROUTE, RTNLGRP_MAX, rtnetlink_rcv,
+                                    THIS_MODULE);
        if (rtnl == NULL)
                panic("rtnetlink_init: cannot initialize rtnetlink\n");
        netlink_set_nonroot(NETLINK_ROUTE, NL_NONROOT_RECV);