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| author | Stephen Suryaputra <ssuryaextr@gmail.com> | 2018-06-01 07:05:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-06-11 23:49:21 +0300 |
| commit | c5e1541ef6fe00b7f909e31851a5d6322997b331 (patch) | |
| tree | 57a69b677462f701a3aa7a7a9a9c96192b88423f /net/ipv6 | |
| parent | 6d431f6e6880b7c626650326ba4c72c50b1426f8 (diff) | |
| download | linux-c5e1541ef6fe00b7f909e31851a5d6322997b331.tar.xz | |
vrf: check the original netdevice for generating redirect
[ Upstream commit 2f17becfbea5e9a0529b51da7345783e96e69516 ]
Use the right device to determine if redirect should be sent especially
when using vrf. Same as well as when sending the redirect.
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/ip6_output.c | 3 | ||||
| -rw-r--r-- | net/ipv6/ndisc.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 0f2d74885bcb..32fcce711855 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -506,7 +506,8 @@ int ip6_forward(struct sk_buff *skb) send redirects to source routed frames. We don't send redirects to frames decapsulated from IPsec. */ - if (skb->dev == dst->dev && opt->srcrt == 0 && !skb_sec_path(skb)) { + if (IP6CB(skb)->iif == dst->dev->ifindex && + opt->srcrt == 0 && !skb_sec_path(skb)) { struct in6_addr *target = NULL; struct inet_peer *peer; struct rt6_info *rt; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index dd28005efb97..d081db125905 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1568,6 +1568,12 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target) ops_data_buf[NDISC_OPS_REDIRECT_DATA_SPACE], *ops_data = NULL; bool ret; + if (netif_is_l3_master(skb->dev)) { + dev = __dev_get_by_index(dev_net(skb->dev), IPCB(skb)->iif); + if (!dev) + return; + } + if (ipv6_get_lladdr(dev, &saddr_buf, IFA_F_TENTATIVE)) { ND_PRINTK(2, warn, "Redirect: no link-local address on %s\n", dev->name); |