On Thu, 2015-12-17 at 11:40 +0530, Prashant Upadhyaya wrote: > On Tue, Dec 15, 2015 at 8:09 PM, Eric Dumazet <eric.duma...@gmail.com> wrote: > > On Tue, 2015-12-15 at 18:26 +0530, Prashant Upadhyaya wrote: > >> Hi, > >> > >> I open a raw socket for listening to all the UDP packets in a raw fashion > >> -- > >> > >> socket(AF_INET, SOCK_RAW, IPPROTO_UDP); > >> > >> Then I use recvfrom to read the packets over the socket. > >> > >> The above works mighty fine. > >> I want to find out if it is possible to 'load balance' the UDP flows > >> by opening up multiple instances of this socket and then possibly > >> setting some socket options so that I can scale up the reading via > >> multiple threads doing recvfrom on these from multiple cores. > >> (I know it is possible over packet sockets, but that is a different > >> usecase) > > > > No plan yet to support fanout on multiple raw sockets. > > > > > Hi, > > One question on the AF_INET6 raw sockets. > Here I don't get the ipv6 header at all when I read a packet. > I checked the RFC 3542 and it specifies the following as the ancillary > data which can be obtained -- > > Four similar pieces of information can be returned for a received > packet as ancillary data: > > 1. the destination IPv6 address, > 2. the arriving interface index, > 3. the arriving hop limit, and > 4. the arriving traffic class value. > > Now how do I obtain the 'src IPv6 address' ?
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