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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE; SFS:(13230040)(82310400026)(1800799024)(36860700013)(7416014)(376014)(7142099003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2026 09:31:13.2719 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9b7a55cc-a126-4165-0834-08de54e1fda7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BY1PEPF0001AE1D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH1PPFB21296325 Received-SPF: permerror client-ip=2a01:111:f403:c107::1; envelope-from=skolothumtho@nvidia.com; helo=PH8PR06CU001.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @Nvidia.com) X-ZM-MESSAGEID: 1768555931244158501 The virtio_net_hdr_v1_hash layout changed in the Linux UAPI, replacing the 32-bit hash_value field with two 16-bit fields, hash_value_lo and hash_value_hi. Update hash handling to populate the new fields correctly and adjust offset and size calculations accordingly. Cc: Michael S. Tsirkin Cc: Jason Wang Reviewed-by: C=C3=A9dric Le Goater Signed-off-by: Shameer Kolothum --- hw/net/virtio-net.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 317f1ad23b..512a7c02c9 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1879,7 +1879,8 @@ static int virtio_net_process_rss(NetClientState *nc,= const uint8_t *buf, n->rss_data.runtime_hash_type= s); if (net_hash_type > NetPktRssIpV6UdpEx) { if (n->rss_data.populate_hash) { - hdr->hash_value =3D VIRTIO_NET_HASH_REPORT_NONE; + hdr->hash_value_lo =3D VIRTIO_NET_HASH_REPORT_NONE; + hdr->hash_value_hi =3D VIRTIO_NET_HASH_REPORT_NONE; hdr->hash_report =3D 0; } return n->rss_data.redirect ? n->rss_data.default_queue : -1; @@ -1888,7 +1889,8 @@ static int virtio_net_process_rss(NetClientState *nc,= const uint8_t *buf, hash =3D net_rx_pkt_calc_rss_hash(pkt, net_hash_type, n->rss_data.key); =20 if (n->rss_data.populate_hash) { - hdr->hash_value =3D hash; + hdr->hash_value_lo =3D cpu_to_le16(hash & 0xffff); + hdr->hash_value_hi =3D cpu_to_le16((hash >> 16) & 0xffff); hdr->hash_report =3D reports[net_hash_type]; } =20 @@ -1990,10 +1992,11 @@ static ssize_t virtio_net_receive_rcu(NetClientStat= e *nc, const uint8_t *buf, =20 receive_header(n, sg, elem->in_num, buf, size); if (n->rss_data.populate_hash) { - offset =3D offsetof(typeof(extra_hdr), hash_value); + offset =3D offsetof(typeof(extra_hdr), hash_value_lo); iov_from_buf(sg, elem->in_num, offset, (char *)&extra_hdr + offset, - sizeof(extra_hdr.hash_value) + + sizeof(extra_hdr.hash_value_lo) + + sizeof(extra_hdr.hash_value_hi) + sizeof(extra_hdr.hash_report)); } offset =3D n->host_hdr_len; --=20 2.43.0