d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ethernet: Add ethernet interface attached event and devctl notification.

Browse Source 
ifnet_arrival_event may not be adequate under certain situation; e.g.
when the LLADDR is needed.  So the ethernet ifattach event is announced
after all necessary bits are setup.

MFC after:	3 days
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D11617
This commit is contained in:
Sepherosa Ziehau 2017-07-24 03:32:10 +00:00
parent 810490a0e2
commit 8819ad852f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=321406
2 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/net/ethernet.h
View File

@ -406,6 +406,12 @@ void ether_vlan_mtap(struct bpf_if *, struct mbuf *,
void *, u_int);
struct mbuf *ether_vlanencap(struct mbuf *, uint16_t);
#ifdef _SYS_EVENTHANDLER_H_
/* new ethernet interface attached event */
typedef void (*ether_ifattach_event_handler_t)(void *, struct ifnet *);
EVENTHANDLER_DECLARE(ether_ifattach_event, ether_ifattach_event_handler_t);
#endif
#else /* _KERNEL */
#include <sys/cdefs.h>

7
sys/net/if_ethersubr.c
View File

@ -38,6 +38,8 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/eventhandler.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
@ -931,6 +933,11 @@ ether_ifattach(struct ifnet *ifp, const u_int8_t *lla)
if_printf(ifp, "Ethernet address: %6D\n", lla, ":");
uuid_ether_add(LLADDR(sdl));
/* Add necessary bits are setup; announce it now. */
EVENTHANDLER_INVOKE(ether_ifattach_event, ifp);
if (IS_DEFAULT_VNET(curvnet))
devctl_notify("ETHERNET", ifp->if_xname, "IFATTACH", NULL);
}
/*