Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

# -----BEGIN PGP SIGNATURE-----
#
# iQEzBAABCAAdFiEEIV1G9IJGaJ7HfzVi7wSWWzmNYhEFAmfX5/cACgkQ7wSWWzmN
# YhFRHQgArp4daHmnfc4r8TNel7fBjeSTpfDGwQcUJbcljKK2ABtylcESAEg6tsAw
# aBzaZ2PwoTQfDV2s//g/d2uzd3BWH0Iu3qimsyBtx7Um7D4h7NsGB+gTB/7IhcK8
# 1LjMHqDnaeS6fzJ93/umTXuyQLzA3tIFkJBzvxVseLrmv6uBPmAy+PDNe/uZ2jeF
# 2H20jNt/HMc1Yf7sE7NKTBkX+OxuIFkpOGcBtVxiPK1//Wmhw+v+zlQOFjUC+6CD
# LxiBB0Q0tD7ekfbuF6x2SOnuzLDHgpMzgoGqLIYzeQhBX9TdHLM0LtEHHaMyW1pj
# 7mGPSY4avVSM1sePgtmNJ5Y5r/xTRA==
# =e7Sc
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 17 Mar 2025 05:14:31 EDT
# gpg:                using RSA key 215D46F48246689EC77F3562EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [full]
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
  vdpa: Allow vDPA to work on big-endian machine

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

net/vhost-vdpa.c

@@ -262,6 +262,18 @@ static bool vhost_vdpa_has_ufo(NetClientState *nc)
 
 }
 
+/*
+ * FIXME: vhost_vdpa doesn't have an API to "set h/w endianness". But it's
+ * reasonable to assume that h/w is LE by default, because LE is what
+ * virtio 1.0 and later ask for. So, this function just says "yes, the h/w is
+ * LE". Otherwise, on a BE machine, higher-level code would mistakely think
+ * the h/w is BE and can't support VDPA for a virtio 1.0 client.
+ */
+static int vhost_vdpa_set_vnet_le(NetClientState *nc, bool enable)
+{
+    return 0;
+}
+
 static bool vhost_vdpa_check_peer_type(NetClientState *nc, ObjectClass *oc,
                                        Error **errp)
 {
@@ -429,6 +441,7 @@ static NetClientInfo net_vhost_vdpa_info = {
         .cleanup = vhost_vdpa_cleanup,
         .has_vnet_hdr = vhost_vdpa_has_vnet_hdr,
         .has_ufo = vhost_vdpa_has_ufo,
+        .set_vnet_le = vhost_vdpa_set_vnet_le,
         .check_peer_type = vhost_vdpa_check_peer_type,
         .set_steering_ebpf = vhost_vdpa_set_steering_ebpf,
 };