From: Stephen Hemminger <stephen@networkplumber•org>
To: kys@microsoft•com, haiyangz@microsoft•com, sthemmin@microsoft•com
Cc: devel@linuxdriverproject•org, netdev@vger•kernel.org
Subject: [PATCH net 1/3] hv_netvsc: Correct the max receive buffer size
Date: Thu, 7 Dec 2017 16:10:53 -0800 [thread overview]
Message-ID: <20171208001055.24670-2-sthemmin@microsoft.com> (raw)
In-Reply-To: <20171208001055.24670-1-sthemmin@microsoft.com>
From: Haiyang Zhang <haiyangz@microsoft•com>
It should be 31 MB on recent host versions.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft•com>
Signed-off-by: Stephen Hemminger <sthemmin@microsoft•com>
---
drivers/net/hyperv/hyperv_net.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 3d940c67ea94..373455f216ce 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -637,9 +637,11 @@ struct nvsp_message {
#define NETVSC_MTU 65535
#define NETVSC_MTU_MIN ETH_MIN_MTU
-#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
-#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
+/* Max buffer sizes allowed by a host */
+#define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */
+#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */
#define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
+
#define NETVSC_INVALID_INDEX -1
#define NETVSC_SEND_SECTION_SIZE 6144
--
2.11.0
next prev parent reply other threads:[~2017-12-08 0:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-08 0:10 [PATCH net 0/3] netvsc fix buffer size issues Stephen Hemminger
2017-12-08 0:10 ` Stephen Hemminger [this message]
2017-12-08 10:33 ` [PATCH net 1/3] hv_netvsc: Correct the max receive buffer size Dan Carpenter
2017-12-08 16:03 ` David Miller
2017-12-08 16:11 ` Haiyang Zhang
2017-12-08 0:10 ` [PATCH net 2/3] hv_netvsc: Limit the receive buffer size for legacy hosts Stephen Hemminger
2017-12-08 0:10 ` [PATCH net 3/3] hv_netvsc: Fix the default receive buffer size Stephen Hemminger
2017-12-08 10:44 ` Dan Carpenter
2017-12-08 16:18 ` Haiyang Zhang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171208001055.24670-2-sthemmin@microsoft.com \
--to=stephen@networkplumber$(echo .)org \
--cc=devel@linuxdriverproject$(echo .)org \
--cc=haiyangz@microsoft$(echo .)com \
--cc=kys@microsoft$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
--cc=sthemmin@microsoft$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox