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From: Jason Wang <jasowang@redhat.com>
To: peter.maydell@linaro.org, qemu-devel@nongnu.org
Cc: Akihiko Odaki <akihiko.odaki@daynix.com>,
	Jason Wang <jasowang@redhat.com>
Subject: [PULL 03/20] net: Move virtio-net header length assertion
Date: Tue,  4 Jun 2024 15:37:38 +0800	[thread overview]
Message-ID: <20240604073755.1859-4-jasowang@redhat.com> (raw)
In-Reply-To: <20240604073755.1859-1-jasowang@redhat.com>

From: Akihiko Odaki <akihiko.odaki@daynix.com>

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

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.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 bd51037ebf..db096765f4 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 c848844955..49edf6c2b6 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;
-- 
2.42.0



  parent reply	other threads:[~2024-06-04  7:39 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-04  7:37 [PULL 00/20] Net patches Jason Wang
2024-06-04  7:37 ` [PULL 01/20] tap: Remove tap_probe_vnet_hdr_len() Jason Wang
2024-06-04  7:37 ` [PULL 02/20] tap: Remove qemu_using_vnet_hdr() Jason Wang
2024-06-04  7:37 ` Jason Wang [this message]
2024-06-04  7:37 ` [PULL 04/20] net: Remove receive_raw() Jason Wang
2024-06-04  7:37 ` [PULL 05/20] tap: Call tap_receive_iov() from tap_receive() Jason Wang
2024-06-04  7:37 ` [PULL 06/20] tap: Shrink zeroed virtio-net header Jason Wang
2024-06-04  7:37 ` [PULL 07/20] virtio-net: Do not propagate ebpf-rss-fds errors Jason Wang
2024-06-05 10:23   ` Daniel P. Berrangé
2024-06-05 20:14     ` Akihiko Odaki
2024-06-06  7:14       ` Daniel P. Berrangé
2024-06-06  7:19         ` Akihiko Odaki
2024-06-06  7:59           ` Daniel P. Berrangé
2024-06-07  6:04             ` Akihiko Odaki
2024-06-04  7:37 ` [PULL 08/20] virtio-net: Add only one queue pair when realizing Jason Wang
2024-10-14  8:30   ` Laurent Vivier
2024-10-14 15:16     ` Laurent Vivier
2024-10-17  6:59       ` Jason Wang
2024-10-17  7:32         ` Laurent Vivier
2024-10-17  9:07           ` Akihiko Odaki
2024-10-17  9:17             ` Laurent Vivier
2024-10-17  9:42               ` Akihiko Odaki
2024-10-18  4:50                 ` Jason Wang
2024-10-19 12:38                   ` Akihiko Odaki
2024-10-21  7:23                     ` Jason Wang
2024-10-21  8:40                       ` Akihiko Odaki
2024-06-04  7:37 ` [PULL 09/20] virtio-net: Copy header only when necessary Jason Wang
2024-06-04  7:37 ` [PULL 10/20] virtio-net: Shrink header byte swapping buffer Jason Wang
2024-06-04  7:37 ` [PULL 11/20] virtio-net: Disable RSS on reset Jason Wang
2024-06-04  7:37 ` [PULL 12/20] virtio-net: Unify the logic to update NIC state for RSS Jason Wang
2024-06-04  7:37 ` [PULL 13/20] virtio-net: Always set populate_hash Jason Wang
2024-06-04  7:37 ` [PULL 14/20] virtio-net: Do not write hashes to peer buffer Jason Wang
2024-06-04  7:37 ` [PULL 15/20] ebpf: Fix RSS error handling Jason Wang
2024-06-04  7:37 ` [PULL 16/20] ebpf: Return 0 when configuration fails Jason Wang
2024-06-04  7:37 ` [PULL 17/20] ebpf: Refactor tun_rss_steering_prog() Jason Wang
2024-06-04  7:37 ` [PULL 18/20] ebpf: Add a separate target for skeleton Jason Wang
2024-06-04  7:37 ` [PULL 19/20] virtio-net: drop too short packets early Jason Wang
2024-06-04  7:37 ` [PULL 20/20] ebpf: Added traces back. Changed source set for eBPF to 'system' Jason Wang
2024-06-04 19:52 ` [PULL 00/20] Net patches Richard Henderson
2024-06-05 10:14 ` Michael Tokarev
2024-06-05 20:18   ` Akihiko Odaki
2024-06-06  0:13   ` Jason Wang

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