diff options
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c | 23 | ||||
| -rw-r--r-- | include/net/netevent.h | 4 | ||||
| -rw-r--r-- | net/ipv6/route.c | 7 |
3 files changed, 19 insertions, 15 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c index 55cf72af69ce..633c6029e53c 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c @@ -62,7 +62,8 @@ static const unsigned int MAX_ATIDS = 64 * 1024; static const unsigned int ATID_BASE = 0x10000; static void cxgb_neigh_update(struct neighbour *neigh); -static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new); +static void cxgb_redirect(struct dst_entry *old, struct neighbour *old_neigh, + struct dst_entry *new, struct neighbour *new_neigh); static inline int offload_activated(struct t3cdev *tdev) { @@ -968,8 +969,9 @@ static int nb_callback(struct notifier_block *self, unsigned long event, } case (NETEVENT_REDIRECT):{ struct netevent_redirect *nr = ctx; - cxgb_redirect(nr->old, nr->new); - cxgb_neigh_update(dst_get_neighbour_noref(nr->new)); + cxgb_redirect(nr->old, nr->old_neigh, + nr->new, nr->new_neigh); + cxgb_neigh_update(nr->new_neigh); break; } default: @@ -1107,10 +1109,10 @@ static void set_l2t_ix(struct t3cdev *tdev, u32 tid, struct l2t_entry *e) tdev->send(tdev, skb); } -static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new) +static void cxgb_redirect(struct dst_entry *old, struct neighbour *old_neigh, + struct dst_entry *new, struct neighbour *new_neigh) { struct net_device *olddev, *newdev; - struct neighbour *n; struct tid_info *ti; struct t3cdev *tdev; u32 tid; @@ -1118,15 +1120,8 @@ static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new) struct l2t_entry *e; struct t3c_tid_entry *te; - n = dst_get_neighbour_noref(old); - if (!n) - return; - olddev = n->dev; - - n = dst_get_neighbour_noref(new); - if (!n) - return; - newdev = n->dev; + olddev = old_neigh->dev; + newdev = new_neigh->dev; if (!is_offloading(olddev)) return; diff --git a/include/net/netevent.h b/include/net/netevent.h index 086f8a5b59dc..3ce4988c9c08 100644 --- a/include/net/netevent.h +++ b/include/net/netevent.h @@ -12,10 +12,14 @@ */ struct dst_entry; +struct neighbour; struct netevent_redirect { struct dst_entry *old; + struct neighbour *old_neigh; struct dst_entry *new; + struct neighbour *new_neigh; + const void *daddr; }; enum netevent_notif_type { diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 4b581c675bb2..34b29881e22d 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1687,6 +1687,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, struct rt6_info *rt, *nrt = NULL; struct netevent_redirect netevent; struct net *net = dev_net(neigh->dev); + struct neighbour *old_neigh; rt = ip6_route_redirect(dest, src, saddr, neigh->dev); @@ -1714,7 +1715,8 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, dst_confirm(&rt->dst); /* Duplicate redirect: silently ignore. */ - if (neigh == dst_get_neighbour_noref_raw(&rt->dst)) + old_neigh = dst_get_neighbour_noref_raw(&rt->dst); + if (neigh == old_neigh) goto out; nrt = ip6_rt_copy(rt, dest); @@ -1732,7 +1734,10 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, goto out; netevent.old = &rt->dst; + netevent.old_neigh = old_neigh; netevent.new = &nrt->dst; + netevent.new_neigh = neigh; + netevent.daddr = dest; call_netevent_notifiers(NETEVENT_REDIRECT, &netevent); if (rt->rt6i_flags & RTF_CACHE) { |