Author: sephe
Date: Wed Sep 14 08:48:08 2016
New Revision: 305795
URL: https://svnweb.freebsd.org/changeset/base/305795

Log:
  hyperv/hn: Bring in shims from stable/10
  
  This eases future MFCs to stable/10.
  
  MFC after:    1 week
  Sponsored by: Microsoft
  Differential Revision:        https://reviews.freebsd.org/D7871

Modified:
  head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c  Wed Sep 14 08:33:08 
2016        (r305794)
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c  Wed Sep 14 08:48:08 
2016        (r305795)
@@ -318,8 +318,12 @@ static int hn_lro_ackcnt_sysctl(SYSCTL_H
 #endif
 static int hn_trust_hcsum_sysctl(SYSCTL_HANDLER_ARGS);
 static int hn_chim_size_sysctl(SYSCTL_HANDLER_ARGS);
-static int hn_rx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS);
+#if __FreeBSD_version < 1100095
+static int hn_rx_stat_int_sysctl(SYSCTL_HANDLER_ARGS);
+#else
 static int hn_rx_stat_u64_sysctl(SYSCTL_HANDLER_ARGS);
+#endif
+static int hn_rx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS);
 static int hn_tx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS);
 static int hn_tx_conf_int_sysctl(SYSCTL_HANDLER_ARGS);
 static int hn_ndis_version_sysctl(SYSCTL_HANDLER_ARGS);
@@ -1866,32 +1870,33 @@ hn_chim_size_sysctl(SYSCTL_HANDLER_ARGS)
        return 0;
 }
 
+#if __FreeBSD_version < 1100095
 static int
-hn_rx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS)
+hn_rx_stat_int_sysctl(SYSCTL_HANDLER_ARGS)
 {
        struct hn_softc *sc = arg1;
        int ofs = arg2, i, error;
        struct hn_rx_ring *rxr;
-       u_long stat;
+       uint64_t stat;
 
        stat = 0;
-       for (i = 0; i < sc->hn_rx_ring_inuse; ++i) {
+       for (i = 0; i < sc->hn_rx_ring_cnt; ++i) {
                rxr = &sc->hn_rx_ring[i];
-               stat += *((u_long *)((uint8_t *)rxr + ofs));
+               stat += *((int *)((uint8_t *)rxr + ofs));
        }
 
-       error = sysctl_handle_long(oidp, &stat, 0, req);
+       error = sysctl_handle_64(oidp, &stat, 0, req);
        if (error || req->newptr == NULL)
                return error;
 
        /* Zero out this stat. */
-       for (i = 0; i < sc->hn_rx_ring_inuse; ++i) {
+       for (i = 0; i < sc->hn_rx_ring_cnt; ++i) {
                rxr = &sc->hn_rx_ring[i];
-               *((u_long *)((uint8_t *)rxr + ofs)) = 0;
+               *((int *)((uint8_t *)rxr + ofs)) = 0;
        }
        return 0;
 }
-
+#else
 static int
 hn_rx_stat_u64_sysctl(SYSCTL_HANDLER_ARGS)
 {
@@ -1918,6 +1923,34 @@ hn_rx_stat_u64_sysctl(SYSCTL_HANDLER_ARG
        return 0;
 }
 
+#endif
+
+static int
+hn_rx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS)
+{
+       struct hn_softc *sc = arg1;
+       int ofs = arg2, i, error;
+       struct hn_rx_ring *rxr;
+       u_long stat;
+
+       stat = 0;
+       for (i = 0; i < sc->hn_rx_ring_inuse; ++i) {
+               rxr = &sc->hn_rx_ring[i];
+               stat += *((u_long *)((uint8_t *)rxr + ofs));
+       }
+
+       error = sysctl_handle_long(oidp, &stat, 0, req);
+       if (error || req->newptr == NULL)
+               return error;
+
+       /* Zero out this stat. */
+       for (i = 0; i < sc->hn_rx_ring_inuse; ++i) {
+               rxr = &sc->hn_rx_ring[i];
+               *((u_long *)((uint8_t *)rxr + ofs)) = 0;
+       }
+       return 0;
+}
+
 static int
 hn_tx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS)
 {
@@ -2168,11 +2201,21 @@ hn_create_rx_data(struct hn_softc *sc, i
        SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "lro_queued",
            CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, sc,
            __offsetof(struct hn_rx_ring, hn_lro.lro_queued),
-           hn_rx_stat_u64_sysctl, "LU", "LRO queued");
+#if __FreeBSD_version < 1100095
+           hn_rx_stat_int_sysctl,
+#else
+           hn_rx_stat_u64_sysctl,
+#endif
+           "LU", "LRO queued");
        SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "lro_flushed",
            CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, sc,
            __offsetof(struct hn_rx_ring, hn_lro.lro_flushed),
-           hn_rx_stat_u64_sysctl, "LU", "LRO flushed");
+#if __FreeBSD_version < 1100095
+           hn_rx_stat_int_sysctl,
+#else
+           hn_rx_stat_u64_sysctl,
+#endif
+           "LU", "LRO flushed");
        SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "lro_tried",
            CTLTYPE_ULONG | CTLFLAG_RW | CTLFLAG_MPSAFE, sc,
            __offsetof(struct hn_rx_ring, hn_lro_tried),
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