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| author | sephe <sephe@FreeBSD.org> | 2017-07-31 03:49:08 +0000 |
|---|---|---|
| committer | sephe <sephe@FreeBSD.org> | 2017-07-31 03:49:08 +0000 |
| commit | 5e267e2325b21e08308ddcb74fb913c34155112f (patch) | |
| tree | 8e674f29a5b36a8e0628f3a4fe0b1782db769af4 | |
| parent | 8f3740e05ff1c43850591e44dbd7b848d79e4926 (diff) | |
| download | FreeBSD-src-5e267e2325b21e08308ddcb74fb913c34155112f.zip FreeBSD-src-5e267e2325b21e08308ddcb74fb913c34155112f.tar.gz | |
MFC 321406
ethernet: Add ethernet interface attached event and devctl notification.
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.
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D11617
| -rw-r--r-- | sys/net/ethernet.h | 6 | ||||
| -rw-r--r-- | sys/net/if_ethersubr.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/sys/net/ethernet.h b/sys/net/ethernet.h index ce22139..1c17cdf 100644 --- a/sys/net/ethernet.h +++ b/sys/net/ethernet.h @@ -384,6 +384,12 @@ 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> diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c index 9e843f1..558c8bb 100644 --- a/sys/net/if_ethersubr.c +++ b/sys/net/if_ethersubr.c @@ -39,6 +39,8 @@ #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> @@ -933,6 +935,11 @@ 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); } /* |
