On Fri, Feb 22, 2013 at 3:47 PM, Rami Rosen <[email protected]> wrote:
> Hi, Adel, > > You should use > ip_route_output_flow(). > For this you should construct a > flowi4 instance. > ip_route_output_flow() is exported via EXPORT_SYMBOL_GPL. > > See for example how this is done in udp_sendmsg(). > > Good luck! > > Rami Rosen > http://ramirose.wix.com/ramirosen > > On Fri, Feb 22, 2013 at 2:36 PM, Adel Qodmani <[email protected]> wrote: > > Hey, > > > > My question is quite simple, I have an sk_buff that I want to transmit, > the > > sk_buff is an ICMP message and so far, I've built the headers and set up > > everything. > > > > The problem is, when I want to do such a thing, I typically use a > function > > called: > > dev_queue_xmit which takes the skb and transmits the packet using the > > net_device specified in the skb; but time time I can't set the > net_device, I > > need the packet to go through the routing code and get it sent normally; > so > > what function can I use to that? > > > > Some notes: > > *The kernel I am working on is 3.2.0-37 > > *I am working using Modules, so symbols that are not exported are > > unreachable for me > > *I set the IP header using htons, so my header data is already in network > > byte-order. > > > > Regards, > > Adel > > > > _______________________________________________ > > Kernelnewbies mailing list > > [email protected] > > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > Hi Rami, Using ip_route_output_flow() or using udp_sendmsg() would require not only constructing a flowi4 but also a sock; I am intentionally trying to avoid building a sock at the time being. Is there a way I can deliver my sk_buff to the routing code so that it'd set the net_device in there or at least tell me which interface to use and then I'd set it up myself? Thankful, Adel
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