4.18-stable review patch. If anyone has any objections, please let me know.
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From: Haishuang Yan yanhaishuang@cmss.chinamobile.com
[ Upstream commit 51dc63e3911fbb1f0a7a32da2fe56253e2040ea4 ]
When processing icmp unreachable message for erspan tunnel, tunnel id should be erspan_net_id instead of ipgre_net_id.
Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") Cc: William Tu u9012063@gmail.com Signed-off-by: Haishuang Yan yanhaishuang@cmss.chinamobile.com Acked-by: William Tu u9012063@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/ipv4/ip_gre.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -178,6 +178,9 @@ static void ipgre_err(struct sk_buff *sk
if (tpi->proto == htons(ETH_P_TEB)) itn = net_generic(net, gre_tap_net_id); + else if (tpi->proto == htons(ETH_P_ERSPAN) || + tpi->proto == htons(ETH_P_ERSPAN2)) + itn = net_generic(net, erspan_net_id); else itn = net_generic(net, ipgre_net_id);