IP_RECVTOS

[Michael Tuexen]

On Jun 6, 2012, at 8:50 AM, Adrian Chadd wrote:

> On 5 June 2012 15:11, Michael Tuexen <Michael.Tuexen at lurchi.franken.de> wrote:
> 
>> Why should it get lost? If there are no objections, I'll commit it. If there
>> are, we'll see if we can resolve it.
> 
> Oh sweet, you can do that? Yes, I really would like to see this
> particular feature in FreeBSD.
> 
> Thanks so much for coding it up!
> 
> Do you think it's worth adding an example or two which uses this?
Not sure how to add an example, but I've also a paragraph going into
man ip:

     If the IP_RECVTOS option is enabled on a SOCK_DGRAM socket, the
     recvmsg(2) call will return the IP TOS (type of service) field for a UDP
     datagram.  The msg_control field in the msghdr structure points to a
     buffer that contains a cmsghdr structure followed by the TOS.  The cms-
     ghdr fields have the following values:

     cmsg_len = CMSG_LEN(sizeof(u_char))
     cmsg_level = IPPROTO_IP
     cmsg_type = IP_RECVTOS

Best regards
Michael
> 
> 
> 
> Adrian
>