From ee1c27977284907d40f7f72c2d078d709f15811f Mon Sep 17 00:00:00 2001 From: Peter Heise Date: Wed, 13 Apr 2016 13:52:22 +0200 Subject: net/hsr: Added support for HSR v1 This patch adds support for the newer version 1 of the HSR networking standard. Version 0 is still default and the new version has to be selected via iproute2. Main changes are in the supervision frame handling and its ethertype field. Signed-off-by: Peter Heise Signed-off-by: David S. Miller --- net/hsr/hsr_slave.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'net/hsr/hsr_slave.c') diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c index 7d37366cc695..f5b60388d02f 100644 --- a/net/hsr/hsr_slave.c +++ b/net/hsr/hsr_slave.c @@ -22,6 +22,7 @@ static rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb) { struct sk_buff *skb = *pskb; struct hsr_port *port; + u16 protocol; if (!skb_mac_header_was_set(skb)) { WARN_ONCE(1, "%s: skb invalid", __func__); @@ -37,7 +38,8 @@ static rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb) goto finish_consume; } - if (eth_hdr(skb)->h_proto != htons(ETH_P_PRP)) + protocol = eth_hdr(skb)->h_proto; + if (protocol != htons(ETH_P_PRP) && protocol != htons(ETH_P_HSR)) goto finish_pass; skb_push(skb, ETH_HLEN); -- cgit v1.2.3-59-g8ed1b