Subject: Re: Can't get socket's IP address w/ new stack?
Newsgroups: gmane.os.ecos.general
Date: 2003-08-18 19:13:06 GMT (5 years, 45 weeks, 5 days, 17 hours and 33 minutes ago)
On Mon, 2003-08-18 at 13:09, Grant Edwards wrote: > On Mon, Aug 18, 2003 at 10:56:35AM -0500, Grant Edwards wrote: > > > I think the problem is in the sequence of ioctl() calls I'm > > using to configure the stack. The SIOCSxxxxx ioctl() seem to > > have odd side-effects, and you have to do them in a certain > > sequence (and do some of them more than once?). The magic > > sequence must have changed. > > Here's the answer: > > With the new stack you have to: > > 1) Set the address (SIOCIFADDR) > 2) Set the mask (SIOCSIFNETMASK) > ++> 3) Set the address _again_ (SIOCSIFADDR) <++ > 4) Set the broadcast address (SIOCSIFBRDADDR) > 5) Set the routing (SIOCADDRT) > > With the old stack, you didn't have to do step 3 (set the IP > address a second time). Odd, eh? > What happens if you skip step 1 (i.e. only do SIFNETMASK followed by SIFADDR)? -- Gary Thomas <gary <at> mlbassoc.com> MLB Associates -- Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos and search the list archive: http://sources.redhat.com/ml/ecos-discuss