From: Shrikrishna Khare <skhare@vmware.com>
To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
pv-drivers@vmware.com
Cc: Shrikrishna Khare <skhare@vmware.com>, Guolin Yang <gyang@vmware.com>
Subject: [PATCH net-next v3 2/7] vmxnet3: introduce generic command interface to configure the device
Date: Mon, 13 Jun 2016 18:50:02 -0700 [thread overview]
Message-ID: <1465869007-10822-3-git-send-email-skhare@vmware.com> (raw)
In-Reply-To: <1465869007-10822-1-git-send-email-skhare@vmware.com>
Signed-off-by: Guolin Yang <gyang@vmware.com>
Signed-off-by: Shrikrishna Khare <skhare@vmware.com>
---
drivers/net/vmxnet3/vmxnet3_defs.h | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
index 8345e0c..a26a69d 100644
--- a/drivers/net/vmxnet3/vmxnet3_defs.h
+++ b/drivers/net/vmxnet3/vmxnet3_defs.h
@@ -79,6 +79,7 @@ enum {
VMXNET3_CMD_RESERVED1,
VMXNET3_CMD_LOAD_PLUGIN,
VMXNET3_CMD_RESERVED2,
+ VMXNET3_CMD_RESERVED3,
VMXNET3_CMD_FIRST_GET = 0xF00D0000,
VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET,
@@ -612,6 +613,18 @@ struct Vmxnet3_RxQueueDesc {
u8 __pad[88]; /* 128 aligned */
};
+struct Vmxnet3_SetPolling {
+ u8 enablePolling;
+};
+
+/* If the command data <= 16 bytes, use the shared memory directly.
+ * otherwise, use variable length configuration descriptor.
+ */
+union Vmxnet3_CmdInfo {
+ struct Vmxnet3_VariableLenConfDesc varConf;
+ struct Vmxnet3_SetPolling setPolling;
+ __le64 data[2];
+};
struct Vmxnet3_DSDevRead {
/* read-only region for device, read by dev in response to a SET cmd */
@@ -630,7 +643,14 @@ struct Vmxnet3_DriverShared {
__le32 pad;
struct Vmxnet3_DSDevRead devRead;
__le32 ecr;
- __le32 reserved[5];
+ __le32 reserved;
+ union {
+ __le32 reserved1[4];
+ union Vmxnet3_CmdInfo cmdInfo; /* only valid in the context of
+ * executing the relevant
+ * command
+ */
+ } cu;
};
--
2.8.2
next prev parent reply other threads:[~2016-06-14 1:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-14 1:50 [PATCH net-next v3 0/7] vmxnet3: upgrade to version 3 Shrikrishna Khare
2016-06-14 1:50 ` [PATCH net-next v3 1/7] vmxnet3: prepare for version 3 changes Shrikrishna Khare
2016-06-14 1:50 ` Shrikrishna Khare [this message]
2016-06-14 1:50 ` [PATCH net-next v3 3/7] vmxnet3: allow variable length transmit data ring buffer Shrikrishna Khare
2016-06-14 1:50 ` [PATCH net-next v3 4/7] vmxnet3: add receive data ring support Shrikrishna Khare
2016-06-14 1:50 ` [PATCH net-next v3 5/7] vmxnet3: add support for get_coalesce, set_coalesce ethtool operations Shrikrishna Khare
2016-06-14 15:04 ` Ben Hutchings
2016-06-14 1:50 ` [PATCH net-next v3 6/7] vmxnet3: introduce command to register memory region Shrikrishna Khare
2016-06-14 5:54 ` Or Gerlitz
2016-06-14 1:50 ` [PATCH net-next v3 7/7] vmxnet3: update to version 3 Shrikrishna Khare
2016-06-14 5:52 ` [PATCH net-next v3 0/7] vmxnet3: upgrade " Or Gerlitz
2016-06-15 7:23 ` David Miller
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