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From: Akihiko Odaki <akihiko.odaki@daynix.com>
To: Jason Wang <jasowang@redhat.com>,
	 Dmitry Fleytman <dmitry.fleytman@gmail.com>,
	 Sriram Yagnaraman <sriram.yagnaraman@est.tech>,
	 "Michael S. Tsirkin" <mst@redhat.com>,
	Luigi Rizzo <rizzo@iet.unipi.it>,
	 Giuseppe Lettieri <g.lettieri@iet.unipi.it>,
	 Vincenzo Maffione <v.maffione@gmail.com>,
	 Andrew Melnychenko <andrew@daynix.com>,
	 Yuri Benditovich <yuri.benditovich@daynix.com>
Cc: qemu-devel@nongnu.org, Akihiko Odaki <akihiko.odaki@daynix.com>,
	 Michael Tokarev <mjt@tls.msk.ru>
Subject: [PATCH v9 11/20] virtio-net: Disable RSS on reset
Date: Wed, 03 Apr 2024 20:10:59 +0900	[thread overview]
Message-ID: <20240403-rss-v9-11-c6d87e69d38b@daynix.com> (raw)
In-Reply-To: <20240403-rss-v9-0-c6d87e69d38b@daynix.com>

RSS is disabled by default.

Fixes: 590790297c ("virtio-net: implement RSS configuration command")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
---
 hw/net/virtio-net.c | 70 +++++++++++++++++++++++++++--------------------------
 1 file changed, 36 insertions(+), 34 deletions(-)

diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 5aa0527a1921..1ac9c06f6865 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -600,40 +600,6 @@ static void virtio_net_queue_enable(VirtIODevice *vdev, uint32_t queue_index)
     }
 }
 
-static void virtio_net_reset(VirtIODevice *vdev)
-{
-    VirtIONet *n = VIRTIO_NET(vdev);
-    int i;
-
-    /* Reset back to compatibility mode */
-    n->promisc = 1;
-    n->allmulti = 0;
-    n->alluni = 0;
-    n->nomulti = 0;
-    n->nouni = 0;
-    n->nobcast = 0;
-    /* multiqueue is disabled by default */
-    n->curr_queue_pairs = 1;
-    timer_del(n->announce_timer.tm);
-    n->announce_timer.round = 0;
-    n->status &= ~VIRTIO_NET_S_ANNOUNCE;
-
-    /* Flush any MAC and VLAN filter table state */
-    n->mac_table.in_use = 0;
-    n->mac_table.first_multi = 0;
-    n->mac_table.multi_overflow = 0;
-    n->mac_table.uni_overflow = 0;
-    memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN);
-    memcpy(&n->mac[0], &n->nic->conf->macaddr, sizeof(n->mac));
-    qemu_format_nic_info_str(qemu_get_queue(n->nic), n->mac);
-    memset(n->vlans, 0, MAX_VLAN >> 3);
-
-    /* Flush any async TX */
-    for (i = 0;  i < n->max_queue_pairs; i++) {
-        flush_or_purge_queued_packets(qemu_get_subqueue(n->nic, i));
-    }
-}
-
 static void peer_test_vnet_hdr(VirtIONet *n)
 {
     NetClientState *nc = qemu_get_queue(n->nic);
@@ -3861,6 +3827,42 @@ static void virtio_net_device_unrealize(DeviceState *dev)
     virtio_cleanup(vdev);
 }
 
+static void virtio_net_reset(VirtIODevice *vdev)
+{
+    VirtIONet *n = VIRTIO_NET(vdev);
+    int i;
+
+    /* Reset back to compatibility mode */
+    n->promisc = 1;
+    n->allmulti = 0;
+    n->alluni = 0;
+    n->nomulti = 0;
+    n->nouni = 0;
+    n->nobcast = 0;
+    /* multiqueue is disabled by default */
+    n->curr_queue_pairs = 1;
+    timer_del(n->announce_timer.tm);
+    n->announce_timer.round = 0;
+    n->status &= ~VIRTIO_NET_S_ANNOUNCE;
+
+    /* Flush any MAC and VLAN filter table state */
+    n->mac_table.in_use = 0;
+    n->mac_table.first_multi = 0;
+    n->mac_table.multi_overflow = 0;
+    n->mac_table.uni_overflow = 0;
+    memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN);
+    memcpy(&n->mac[0], &n->nic->conf->macaddr, sizeof(n->mac));
+    qemu_format_nic_info_str(qemu_get_queue(n->nic), n->mac);
+    memset(n->vlans, 0, MAX_VLAN >> 3);
+
+    /* Flush any async TX */
+    for (i = 0;  i < n->max_queue_pairs; i++) {
+        flush_or_purge_queued_packets(qemu_get_subqueue(n->nic, i));
+    }
+
+    virtio_net_disable_rss(n);
+}
+
 static void virtio_net_instance_init(Object *obj)
 {
     VirtIONet *n = VIRTIO_NET(obj);

-- 
2.44.0



  parent reply	other threads:[~2024-04-03 11:16 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-03 11:10 [PATCH v9 00/20] virtio-net RSS/hash report fixes and improvements Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 01/20] tap: Remove tap_probe_vnet_hdr_len() Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 02/20] tap: Remove qemu_using_vnet_hdr() Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 03/20] net: Move virtio-net header length assertion Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 04/20] net: Remove receive_raw() Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 05/20] tap: Call tap_receive_iov() from tap_receive() Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 06/20] tap: Shrink zeroed virtio-net header Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 07/20] virtio-net: Do not propagate ebpf-rss-fds errors Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 08/20] virtio-net: Add only one queue pair when realizing Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 09/20] virtio-net: Copy header only when necessary Akihiko Odaki
2024-04-03 11:10 ` [PATCH v9 10/20] virtio-net: Shrink header byte swapping buffer Akihiko Odaki
2024-04-03 11:10 ` Akihiko Odaki [this message]
2024-04-03 11:11 ` [PATCH v9 12/20] virtio-net: Unify the logic to update NIC state for RSS Akihiko Odaki
2024-04-03 11:11 ` [PATCH v9 13/20] virtio-net: Return an error when vhost cannot enable RSS Akihiko Odaki
2024-04-07 21:46   ` Yuri Benditovich
2024-04-08  1:29     ` Akihiko Odaki
2024-04-11 11:28       ` Yan Vugenfirer
2024-04-15 14:05   ` Yuri Benditovich
2024-04-16  4:00     ` Jason Wang
2024-04-16  5:43       ` Yuri Benditovich
2024-04-16  7:13         ` Jason Wang
2024-04-16  9:50           ` Yuri Benditovich
2024-04-17  4:18             ` Jason Wang
2024-04-16  6:54       ` Akihiko Odaki
2024-04-20 14:27         ` Yuri Benditovich
2024-04-16  9:54   ` Yuri Benditovich
2024-04-03 11:11 ` [PATCH v9 14/20] virtio-net: Report RSS warning at device realization Akihiko Odaki
2024-04-03 11:11 ` [PATCH v9 15/20] virtio-net: Always set populate_hash Akihiko Odaki
2024-04-03 11:11 ` [PATCH v9 16/20] virtio-net: Do not write hashes to peer buffer Akihiko Odaki
2024-04-07 22:09   ` Yuri Benditovich
2024-04-08  1:30     ` Akihiko Odaki
2024-04-08  7:40       ` Yuri Benditovich
2024-04-08  7:42         ` Akihiko Odaki
2024-04-08  7:54           ` Yuri Benditovich
2024-04-08  7:57             ` Akihiko Odaki
2024-04-08  8:06               ` Yuri Benditovich
2024-04-08  8:11                 ` Akihiko Odaki
2024-04-03 11:11 ` [PATCH v9 17/20] ebpf: Fix RSS error handling Akihiko Odaki
2024-04-13 12:16   ` Yuri Benditovich
2024-04-14  6:36     ` Akihiko Odaki
2024-04-03 11:11 ` [PATCH v9 18/20] ebpf: Return 0 when configuration fails Akihiko Odaki
2024-04-03 11:11 ` [PATCH v9 19/20] ebpf: Refactor tun_rss_steering_prog() Akihiko Odaki
2024-04-03 11:11 ` [PATCH v9 20/20] ebpf: Add a separate target for skeleton Akihiko Odaki

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