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Phonet: emit errors when a packet cannot be delivered locally

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When there is no listener socket for a received packet, send an error
back to the sender.

Signed-off-by: Remi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Remi Denis-Courmont 2008-09-22 20:09:13 -07:00 • committed by David S. Miller
commit be0c52bfed
3 changed files with 129 additions and 4 deletions
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5
include/net/phonet/phonet.h
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@ -60,6 +60,11 @@ static inline struct phonethdr *pn_hdr(struct sk_buff *skb)
return (struct phonethdr *)skb_network_header(skb);
}
static inline struct phonetmsg *pn_msg(struct sk_buff *skb)
{
return (struct phonetmsg *)skb_transport_header(skb);
}
/*
* Get the other party's sockaddr from received skb. The skb begins
* with a Phonet header.