Date: Fri, 8 Jul 2016 15:44:28 GMT From: vincenzo@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r305829 - soc2016/vincenzo/head/sys/dev/netmap Message-ID: <201607081544.u68FiSF9008332@socsvn.freebsd.org>
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Author: vincenzo Date: Fri Jul 8 15:44:28 2016 New Revision: 305829 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=305829 Log: freebsd: ptnet_drain_transmit_queue: cache VNET_HDR flag Modified: soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c Modified: soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c ============================================================================== --- soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c Fri Jul 8 15:44:18 2016 (r305828) +++ soc2016/vincenzo/head/sys/dev/netmap/if_ptnet.c Fri Jul 8 15:44:28 2016 (r305829) @@ -1336,6 +1336,7 @@ ptnet_drain_transmit_queue(struct ptnet_queue *pq) { struct ptnet_softc *sc = pq->sc; + bool use_vnet_hdr = (sc->ptfeatures & NET_PTN_FEATURES_VNET_HDR); struct netmap_adapter *na = &sc->ptna_dr.hwup.up; struct ifnet *ifp = sc->ifp; unsigned int batch_count = 0; @@ -1414,7 +1415,7 @@ /* If needed, prepare the virtio-net header at the beginning * of the first slot. */ - if (sc->ptfeatures & NET_PTN_FEATURES_VNET_HDR) { + if (use_vnet_hdr) { /* For performance, we could replace this memset() with * two 8-bytes-wide writes. */ memset(nmbuf, 0, PTNET_HDR_SIZE);
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