libpcap problems

["roberto.dirosa1980 () libero it" <roberto.dirosa1980 () libero it>]

Hello, 
i'm writing a code using libpcap that capture ethernet packets from an interface and inject the packet into 
an other interface (in the same at the other direction). 
To inject the packets i'm using libnet. 
The problem is that when i inject the packet into es. eth0, the same interface captures the injected packet 
and it comes back. 
I try to using pcap_compile with a filter but it isn't insufficient. 
I should know the direction of the packets! 
Thank you, 
Roberto  

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