Author: sephe Date: Mon Nov 28 05:31:36 2016 New Revision: 309228 URL: https://svnweb.freebsd.org/changeset/base/309228
Log: hyperv/hn: Fix multi-packet RNDIS message aggregation size setting. Just in case that no chimney sending buffer can be used. MFC after: 1 week Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D8619 Modified: head/sys/dev/hyperv/netvsc/if_hn.c Modified: head/sys/dev/hyperv/netvsc/if_hn.c ============================================================================== --- head/sys/dev/hyperv/netvsc/if_hn.c Mon Nov 28 05:23:57 2016 (r309227) +++ head/sys/dev/hyperv/netvsc/if_hn.c Mon Nov 28 05:31:36 2016 (r309228) @@ -706,6 +706,10 @@ hn_set_txagg(struct hn_softc *sc) if (sc->hn_rndis_agg_size < size) size = sc->hn_rndis_agg_size; + /* NOTE: We only aggregate packets using chimney sending buffers. */ + if (size > (uint32_t)sc->hn_chim_szmax) + size = sc->hn_chim_szmax; + if (size <= 2 * HN_PKTSIZE_MIN(sc->hn_rndis_agg_align)) { /* Disable */ size = 0; @@ -717,10 +721,6 @@ hn_set_txagg(struct hn_softc *sc) if (size > INT_MAX) size = INT_MAX; - /* NOTE: We only aggregate packets using chimney sending buffers. */ - if (size > (uint32_t)sc->hn_chim_szmax) - size = sc->hn_chim_szmax; - /* * Setup aggregation packet count. */ _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
