From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Jason Wang <jasowang@redhat.com>, qemu-devel@nongnu.org
Cc: ppandit@redhat.com
Subject: Re: [PATCH 1/6] net: introduce qemu_receive_packet()
Date: Thu, 25 Feb 2021 15:31:21 +0100 [thread overview]
Message-ID: <389864ac-b741-b2d9-5289-9b8a71ffbb4f@redhat.com> (raw)
In-Reply-To: <20210224055401.492407-2-jasowang@redhat.com>
On 2/24/21 6:53 AM, Jason Wang wrote:
> Some NIC supports loopback mode and this is done by calling
> nc->info->receive() directly which in fact suppresses the effort of
> reentrancy check that is done in qemu_net_queue_send().
>
> Unfortunately we can use qemu_net_queue_send() here since for loop
> back there's no sender as peer, so this patch introduce a
> qemu_receive_packet() which is used for implementing loopback mode
> for a NIC with this check.
>
> NIC that supports loopback mode will be converted to this helper.
>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
> include/net/net.h | 5 +++++
> include/net/queue.h | 8 ++++++++
> net/net.c | 38 +++++++++++++++++++++++++++++++-------
> net/queue.c | 22 ++++++++++++++++++++++
> 4 files changed, 66 insertions(+), 7 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
next prev parent reply other threads:[~2021-02-25 14:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-24 5:53 [PATCH 0/6] Detect reentrant RX casue by loopback Jason Wang
2021-02-24 5:53 ` [PATCH 1/6] net: introduce qemu_receive_packet() Jason Wang
2021-02-24 10:11 ` Philippe Mathieu-Daudé
2021-02-24 13:17 ` Jason Wang
2021-02-24 13:43 ` Philippe Mathieu-Daudé
2021-02-25 14:01 ` P J P
2021-02-25 16:28 ` Alexander Bulekov
2021-02-25 16:29 ` Alexander Bulekov
2021-02-26 18:14 ` [QEMU-SECURITY] " P J P
2021-02-26 18:53 ` Alexander Bulekov
2021-02-25 14:31 ` Philippe Mathieu-Daudé [this message]
2021-02-24 5:53 ` [PATCH 2/6] e1000: switch to use qemu_receive_packet() for loopback Jason Wang
2021-02-25 14:34 ` Philippe Mathieu-Daudé
2021-02-24 5:53 ` [PATCH 3/6] dp8393x: switch to use qemu_receive_packet() for loopback packet Jason Wang
2021-02-24 6:13 ` Stefan Weil
2021-02-25 14:36 ` Philippe Mathieu-Daudé
2021-02-25 14:42 ` Stefan Weil
2021-02-26 7:04 ` Jason Wang
2021-02-24 5:53 ` [PATCH 4/6] msf2-mac: switch to use qemu_receive_packet() for loopback Jason Wang
2021-02-25 14:34 ` Philippe Mathieu-Daudé
2021-02-24 5:54 ` [PATCH 5/6] sungem: " Jason Wang
2021-02-25 14:35 ` Philippe Mathieu-Daudé
2021-02-24 5:54 ` [PATCH 6/6] tx_pkt: switch to use qemu_receive_packet_iov() " Jason Wang
2021-02-25 14:35 ` Philippe Mathieu-Daudé
2021-02-24 6:03 ` [PATCH 0/6] Detect reentrant RX casue by loopback no-reply
2021-02-26 18:47 ` [PATCH] rtl8193: switch to use qemu_receive_packet() for loopback Alexander Bulekov
2021-03-01 7:14 ` Jason Wang
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