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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>
Subject: [PATCH v9 03/20] net: Move virtio-net header length assertion
Date: Wed, 03 Apr 2024 20:10:51 +0900	[thread overview]
Message-ID: <20240403-rss-v9-3-c6d87e69d38b@daynix.com> (raw)
In-Reply-To: <20240403-rss-v9-0-c6d87e69d38b@daynix.com>

The virtio-net header length assertion should happen for any clients.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 net/net.c | 5 +++++
 net/tap.c | 3 ---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/net.c b/net/net.c
index bd51037ebfb0..db096765f4b2 100644
--- a/net/net.c
+++ b/net/net.c
@@ -56,6 +56,7 @@
 #include "net/filter.h"
 #include "qapi/string-output-visitor.h"
 #include "qapi/qobject-input-visitor.h"
+#include "standard-headers/linux/virtio_net.h"
 
 /* Net bridge is currently not supported for W32. */
 #if !defined(_WIN32)
@@ -550,6 +551,10 @@ void qemu_set_vnet_hdr_len(NetClientState *nc, int len)
         return;
     }
 
+    assert(len == sizeof(struct virtio_net_hdr_mrg_rxbuf) ||
+           len == sizeof(struct virtio_net_hdr) ||
+           len == sizeof(struct virtio_net_hdr_v1_hash));
+
     nc->vnet_hdr_len = len;
     nc->info->set_vnet_hdr_len(nc, len);
 }
diff --git a/net/tap.c b/net/tap.c
index c848844955df..49edf6c2b6e1 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -267,9 +267,6 @@ static void tap_set_vnet_hdr_len(NetClientState *nc, int len)
     TAPState *s = DO_UPCAST(TAPState, nc, nc);
 
     assert(nc->info->type == NET_CLIENT_DRIVER_TAP);
-    assert(len == sizeof(struct virtio_net_hdr_mrg_rxbuf) ||
-           len == sizeof(struct virtio_net_hdr) ||
-           len == sizeof(struct virtio_net_hdr_v1_hash));
 
     tap_fd_set_vnet_hdr_len(s->fd, len);
     s->host_vnet_hdr_len = len;

-- 
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 ` Akihiko Odaki [this message]
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 ` [PATCH v9 11/20] virtio-net: Disable RSS on reset Akihiko Odaki
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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