Certain multicast address not updating the /proc/net/dev counters
Hi all ,
My linux board running a pico chip and pc302_emac driver is not allowing a certain range of Multicast addresses , the counters in /proc/net/dev get updated only for 224.0.0.1 , 224.0.0.65 and other address with +65 . Any idea how can I get to these counters and who is updating these , for debugging further. Thanks & regards, CBR |
mc_count > 0 , Significance of this flag
Hi all ,
My linux board running a pico chip and pc302_emac driver is not allowing a certain range of Multicast addresses , the counters in /proc/net/dev get updated only for 224.0.0.1 , 224.0.0.65 and other address with +65 . I put some printfs to debug , and see that , the dev->flags is set not to IFF_ALLMULTI , instead the code goes to dev->mc_count > 0 , where a sethash table function adds only specific , Multicast addresses are allowed. I just wanted to know as to , where this dev->mc_count is set ? and what significance does it have . Thanks & regards, CBR |
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