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if: Defer the if_up until the ifnet.if_ioctl is called.
This ensures the interface is initialized by the interface driver before it can be used by the rest of the system. Reviewed by: jhb, karels, gnn MFC after: 3 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8905
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parent
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cc5bb78be1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=311475
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@ -2300,7 +2300,7 @@ static int
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ifhwioctl(u_long cmd, struct ifnet *ifp, caddr_t data, struct thread *td)
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{
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struct ifreq *ifr;
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int error = 0;
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int error = 0, do_ifup = 0;
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int new_flags, temp_flags;
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size_t namelen, onamelen;
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size_t descrlen;
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@ -2427,7 +2427,7 @@ ifhwioctl(u_long cmd, struct ifnet *ifp, caddr_t data, struct thread *td)
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if_down(ifp);
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} else if (new_flags & IFF_UP &&
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(ifp->if_flags & IFF_UP) == 0) {
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if_up(ifp);
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do_ifup = 1;
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}
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/* See if permanently promiscuous mode bit is about to flip */
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if ((ifp->if_flags ^ new_flags) & IFF_PPROMISC) {
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@ -2446,6 +2446,8 @@ ifhwioctl(u_long cmd, struct ifnet *ifp, caddr_t data, struct thread *td)
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if (ifp->if_ioctl) {
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(void) (*ifp->if_ioctl)(ifp, cmd, data);
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}
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if (do_ifup)
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if_up(ifp);
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getmicrotime(&ifp->if_lastchange);
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break;
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