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Message-Id: <20190520135354.18628-9-elder@linaro.org>
Date: Mon, 20 May 2019 08:53:54 -0500
From: Alex Elder <elder@...aro.org>
To: arnd@...db.de, subashab@...eaurora.org, david.brown@...aro.org,
agross@...nel.org, davem@...emloft.net
Cc: bjorn.andersson@...aro.org, ilias.apalodimas@...aro.org,
cpratapa@...eaurora.org, syadagir@...eaurora.org,
evgreen@...omium.org, benchan@...gle.com, ejcaruso@...gle.com,
netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 8/8] net: introduce "include/linux/if_rmnet.h"
The IPA driver requires some (but not all) symbols defined in
"drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h". Create a new
public header file "include/linux/if_rmnet.h" and move the needed
definitions there.
Signed-off-by: Alex Elder <elder@...aro.org>
---
.../ethernet/qualcomm/rmnet/rmnet_handlers.c | 1 +
.../net/ethernet/qualcomm/rmnet/rmnet_map.h | 31 -------------
.../qualcomm/rmnet/rmnet_map_command.c | 1 +
.../ethernet/qualcomm/rmnet/rmnet_map_data.c | 1 +
.../net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 1 +
include/linux/if_rmnet.h | 45 +++++++++++++++++++
6 files changed, 49 insertions(+), 31 deletions(-)
create mode 100644 include/linux/if_rmnet.h
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
index 5fff6c78ecd5..8e00e14f4ac9 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
@@ -18,6 +18,7 @@
#include <linux/netdev_features.h>
#include <linux/if_arp.h>
#include <net/sock.h>
+#include <linux/if_rmnet.h>
#include "rmnet_private.h"
#include "rmnet_config.h"
#include "rmnet_vnd.h"
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h
index 775b98d34e94..d101cabb04c3 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h
@@ -39,37 +39,6 @@ enum rmnet_map_commands {
RMNET_MAP_COMMAND_ENUM_LENGTH
};
-struct rmnet_map_header {
- u8 cmd_pad_len; /* RMNET_MAP_* */
- u8 mux_id;
- __be16 pkt_len;
-} __aligned(1);
-
-#define RMNET_MAP_CMD_FMASK GENMASK(0, 0) /* 0: data; 1: cmd */
-#define RMNET_MAP_RESERVED_FMASK GENMASK(1, 1)
-#define RMNET_MAP_PAD_LEN_FMASK GENMASK(7, 2)
-
-struct rmnet_map_dl_csum_trailer {
- u8 reserved1;
- u8 flags; /* RMNET_MAP_DL_* */
- __be16 csum_start_offset;
- __be16 csum_length;
- __be16 csum_value;
-} __aligned(1);
-
-#define RMNET_MAP_DL_CSUM_VALID_FMASK GENMASK(0, 0)
-#define RMNET_MAP_DL_RESERVED_FMASK GENMASK(7, 1)
-
-struct rmnet_map_ul_csum_header {
- __be16 csum_start_offset;
- __be16 csum_info; /* RMNET_MAP_UL_* */
-} __aligned(1);
-
-/* NOTE: These field masks are defined in CPU byte order */
-#define RMNET_MAP_UL_CSUM_INSERT_FMASK GENMASK(13, 0)
-#define RMNET_MAP_UL_CSUM_UDP_FMASK GENMASK(14, 14) /* 0: IP; 1: UDP */
-#define RMNET_MAP_UL_CSUM_ENABLED_FMASK GENMASK(15, 15)
-
#define RMNET_MAP_COMMAND_REQUEST 0
#define RMNET_MAP_COMMAND_ACK 1
#define RMNET_MAP_COMMAND_UNSUPPORTED 2
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c
index f675f47c3495..6832c5939cae 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c
@@ -11,6 +11,7 @@
*/
#include <linux/netdevice.h>
+#include <linux/if_rmnet.h>
#include "rmnet_config.h"
#include "rmnet_map.h"
#include "rmnet_private.h"
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c
index 61b7dbab2056..370aee7402e0 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c
@@ -18,6 +18,7 @@
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <net/ip6_checksum.h>
+#include <linux/if_rmnet.h>
#include "rmnet_config.h"
#include "rmnet_map.h"
#include "rmnet_private.h"
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
index d11c16aeb19a..6b39d4d8e523 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
@@ -17,6 +17,7 @@
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <net/pkt_sched.h>
+#include <linux/if_rmnet.h>
#include "rmnet_config.h"
#include "rmnet_handlers.h"
#include "rmnet_private.h"
diff --git a/include/linux/if_rmnet.h b/include/linux/if_rmnet.h
new file mode 100644
index 000000000000..ae60472ecc79
--- /dev/null
+++ b/include/linux/if_rmnet.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2019 Linaro Ltd.
+ */
+#ifndef _LINUX_IF_RMNET_H_
+#define _LINUX_IF_RMNET_H_
+
+#include <linux/types.h>
+
+/* Header structure that precedes packets in ETH_P_MAP protocol */
+struct rmnet_map_header {
+ u8 cmd_pad_len; /* RMNET_MAP_* */
+ u8 mux_id;
+ __be16 pkt_len;
+} __aligned(1);
+
+#define RMNET_MAP_CMD_FMASK GENMASK(0, 0) /* 0: data; 1: cmd */
+#define RMNET_MAP_RESERVED_FMASK GENMASK(1, 1)
+#define RMNET_MAP_PAD_LEN_FMASK GENMASK(7, 2)
+
+/* Checksum offload metadata header for outbound packets*/
+struct rmnet_map_ul_csum_header {
+ __be16 csum_start_offset;
+ __be16 csum_info; /* RMNET_MAP_UL_* */
+} __aligned(1);
+
+/* NOTE: These field masks are defined in CPU byte order */
+#define RMNET_MAP_UL_CSUM_INSERT_FMASK GENMASK(13, 0)
+#define RMNET_MAP_UL_CSUM_UDP_FMASK GENMASK(14, 14) /* 0: IP; 1: UDP */
+#define RMNET_MAP_UL_CSUM_ENABLED_FMASK GENMASK(15, 15)
+
+/* Checksum offload metadata trailer for inbound packets */
+struct rmnet_map_dl_csum_trailer {
+ u8 reserved1;
+ u8 flags; /* RMNET_MAP_DL_* */
+ __be16 csum_start_offset;
+ __be16 csum_length;
+ __be16 csum_value;
+} __aligned(1);
+
+#define RMNET_MAP_DL_CSUM_VALID_FMASK GENMASK(0, 0)
+#define RMNET_MAP_DL_RESERVED_FMASK GENMASK(7, 1)
+
+#endif /* _LINUX_IF_RMNET_H_ */
--
2.20.1
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