diff mbox series

[RFC,net-next,1/4] net: dsa: move the Broadcom tag information in a separate header file

Message ID 20201218223852.2717102-2-vladimir.oltean@nxp.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series Reduce coupling between DSA and Broadcom SYSTEMPORT driver | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 20 this patch: 20
netdev/kdoc success Errors and warnings before: 1 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch warning CHECK: Macro argument 'q' may be better as '(q)' to avoid precedence issues
netdev/build_allmodconfig_warn success Errors and warnings before: 20 this patch: 20
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Vladimir Oltean Dec. 18, 2020, 10:38 p.m. UTC
It is a bit strange to see something as specific as Broadcom SYSTEMPORT
bits in the main DSA include file. Move these away into a separate
header, and have the tagger and the SYSTEMPORT driver include them.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
 MAINTAINERS                                |  1 +
 drivers/net/ethernet/broadcom/bcmsysport.c |  1 +
 include/linux/dsa/brcm.h                   | 16 ++++++++++++++++
 include/net/dsa.h                          |  6 ------
 net/dsa/tag_brcm.c                         |  1 +
 5 files changed, 19 insertions(+), 6 deletions(-)
 create mode 100644 include/linux/dsa/brcm.h

Comments

Florian Fainelli Dec. 19, 2020, 12:20 a.m. UTC | #1
On 12/18/2020 2:38 PM, Vladimir Oltean wrote:
> It is a bit strange to see something as specific as Broadcom SYSTEMPORT
> bits in the main DSA include file. Move these away into a separate
> header, and have the tagger and the SYSTEMPORT driver include them.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>

Acked-by: Florian Fainelli <f.fainelli@gmail.com>
diff mbox series

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index a355db292486..e2d1d852a3a8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3389,6 +3389,7 @@  L:	openwrt-devel@lists.openwrt.org (subscribers-only)
 S:	Supported
 F:	Documentation/devicetree/bindings/net/dsa/b53.txt
 F:	drivers/net/dsa/b53/*
+F:	include/linux/dsa/brcm.h
 F:	include/linux/platform_data/b53.h
 
 BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 0fdd19d99d99..82541352b1eb 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -12,6 +12,7 @@ 
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
+#include <linux/dsa/brcm.h>
 #include <linux/etherdevice.h>
 #include <linux/platform_device.h>
 #include <linux/of.h>
diff --git a/include/linux/dsa/brcm.h b/include/linux/dsa/brcm.h
new file mode 100644
index 000000000000..47545a948784
--- /dev/null
+++ b/include/linux/dsa/brcm.h
@@ -0,0 +1,16 @@ 
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2014 Broadcom Corporation
+ */
+
+/* Included by drivers/net/ethernet/broadcom/bcmsysport.c and
+ * net/dsa/tag_brcm.c
+ */
+#ifndef _NET_DSA_BRCM_H
+#define _NET_DSA_BRCM_H
+
+/* Broadcom tag specific helpers to insert and extract queue/port number */
+#define BRCM_TAG_SET_PORT_QUEUE(p, q)	((p) << 8 | q)
+#define BRCM_TAG_GET_PORT(v)		((v) >> 8)
+#define BRCM_TAG_GET_QUEUE(v)		((v) & 0xff)
+
+#endif
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 4e60d2610f20..af9a4f9ee764 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -873,12 +873,6 @@  static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev,
 }
 #endif
 
-/* Broadcom tag specific helpers to insert and extract queue/port number */
-#define BRCM_TAG_SET_PORT_QUEUE(p, q)	((p) << 8 | q)
-#define BRCM_TAG_GET_PORT(v)		((v) >> 8)
-#define BRCM_TAG_GET_QUEUE(v)		((v) & 0xff)
-
-
 netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev);
 int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data);
 int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data);
diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index e934dace3922..e2577a7dcbca 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -5,6 +5,7 @@ 
  * Copyright (C) 2014 Broadcom Corporation
  */
 
+#include <linux/dsa/brcm.h>
 #include <linux/etherdevice.h>
 #include <linux/list.h>
 #include <linux/slab.h>