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| author | David S. Miller <davem@davemloft.net> | 2011-07-17 23:09:49 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-07-17 23:11:35 -0700 |
| commit | 69cce1d1404968f78b177a0314f5822d5afdbbfb (patch) | |
| tree | 26223264fd69ea8078d0013fd5a76eb7aeb04c12 /net/ipv4/route.c | |
| parent | 9cbb7ecbcff85077bb12301aaf4c9b5a56c5993d (diff) | |
| download | linux-69cce1d1404968f78b177a0314f5822d5afdbbfb.tar.bz2 | |
net: Abstract dst->neighbour accesses behind helpers.
dst_{get,set}_neighbour()
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
| -rw-r--r-- | net/ipv4/route.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index bcf9bb508200..1d4cd3b4fd69 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -412,8 +412,10 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) "HHUptod\tSpecDst"); else { struct rtable *r = v; + struct neighbour *n; int len; + n = dst_get_neighbour(&r->dst); seq_printf(seq, "%s\t%08X\t%08X\t%8X\t%d\t%u\t%d\t" "%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n", r->dst.dev ? r->dst.dev->name : "*", @@ -427,9 +429,7 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) dst_metric(&r->dst, RTAX_RTTVAR)), r->rt_key_tos, -1, - (r->dst.neighbour && - (r->dst.neighbour->nud_state & NUD_CONNECTED)) ? - 1 : 0, + (n && (n->nud_state & NUD_CONNECTED)) ? 1 : 0, r->rt_spec_dst, &len); seq_printf(seq, "%*s\n", 127 - len, ""); @@ -1026,7 +1026,7 @@ static int rt_bind_neighbour(struct rtable *rt) n = ipv4_neigh_lookup(tbl, dev, nexthop); if (IS_ERR(n)) return PTR_ERR(n); - rt->dst.neighbour = n; + dst_set_neighbour(&rt->dst, n); return 0; } @@ -1617,23 +1617,24 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) { struct rtable *rt = (struct rtable *) dst; __be32 orig_gw = rt->rt_gateway; + struct neighbour *n; dst_confirm(&rt->dst); - neigh_release(rt->dst.neighbour); - rt->dst.neighbour = NULL; + neigh_release(dst_get_neighbour(&rt->dst)); + dst_set_neighbour(&rt->dst, NULL); rt->rt_gateway = peer->redirect_learned.a4; - if (rt_bind_neighbour(rt) || - !(rt->dst.neighbour->nud_state & NUD_VALID)) { - if (rt->dst.neighbour) - neigh_event_send(rt->dst.neighbour, NULL); + rt_bind_neighbour(rt); + n = dst_get_neighbour(&rt->dst); + if (!n || !(n->nud_state & NUD_VALID)) { + if (n) + neigh_event_send(n, NULL); rt->rt_gateway = orig_gw; return -EAGAIN; } else { rt->rt_flags |= RTCF_REDIRECTED; - call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, - rt->dst.neighbour); + call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n); } return 0; } |