Re: port-evbarm/53317: awge(4) with static address doesn't work

[Aymeric Vincent <aymericvincent%free.fr@localhost>]

The following reply was made to PR port-evbarm/53317; it has been noted by GNATS.

From: Aymeric Vincent <aymericvincent%free.fr@localhost>
To: uwe%NetBSD.org@localhost
Cc: port-evbarm-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, gnats-bugs%NetBSD.org@localhost
Subject: Re: port-evbarm/53317: awge(4) with static address doesn't work
Date: Sun, 27 May 2018 11:30:21 +0200

 Hi,
 
 > If I configure static address, then interface doesn't send/receive
 > packets UNTIL the first time you call ifconfig awge0.  At that point
 > DAD happens and the interface comes to life.
 
 I remember needing the following patch to make the awge of the DE0
 nanosoc work. Would it help in your situation?
 
 diff --git a/sys/dev/ic/dwc_gmac.c b/sys/dev/ic/dwc_gmac.c
 index ce5635db0d3f..aed5844e2f21 100644
 --- a/sys/dev/ic/dwc_gmac.c
 +++ b/sys/dev/ic/dwc_gmac.c
 @@ -999,6 +999,9 @@ dwc_gmac_queue(struct dwc_gmac_softc *sc, struct mbuf *m0)
  	sc->sc_txq.t_desc[first].ddesc_status =
  	    htole32(DDESC_STATUS_OWNEDBYDEV);
  
 +	bus_dmamap_sync(sc->sc_dmat, map, 0, map->dm_mapsize,
 +	    BUS_DMASYNC_PREWRITE);
 +
  	return 0;
  }
  
 
 Regards,
  Aymeric