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swconfig: add SWITCH_TYPE_LINK and support sending link info to user space

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So far we were sending link data as a string. It got some drawbacks:
1) Didn't allow writing clean user space apps reading link state. It was
   needed to do some screen scraping.
2) Forced whole PORT_LINK communication to be string based. Adding
   support for *setting* port link required passing string and parting
   it in the kernel space.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 47997
This commit is contained in:
John Crispin
2015-12-23 19:24:30 +00:00
parent c01ca020ea
commit 67e10d757f
3 changed files with 74 additions and 0 deletions
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2
target/linux/generic/files/include/linux/switch.h
View File

@@ -122,6 +122,7 @@ struct switch_dev {
struct mutex sw_mutex;
struct switch_port *portbuf;
struct switch_portmap *portmap;
struct switch_port_link linkbuf;
char buf[128];
@@ -148,6 +149,7 @@ struct switch_val {
const char *s;
u32 i;
struct switch_port *ports;
struct switch_port_link *link;
} value;
};

16
target/linux/generic/files/include/uapi/linux/switch.h
View File

@@ -50,6 +50,7 @@ enum {
SWITCH_ATTR_OP_VALUE_INT,
SWITCH_ATTR_OP_VALUE_STR,
SWITCH_ATTR_OP_VALUE_PORTS,
SWITCH_ATTR_OP_VALUE_LINK,
SWITCH_ATTR_OP_DESCRIPTION,
/* port lists */
SWITCH_ATTR_PORT,
@@ -86,6 +87,7 @@ enum switch_val_type {
SWITCH_TYPE_INT,
SWITCH_TYPE_STRING,
SWITCH_TYPE_PORTS,
SWITCH_TYPE_LINK,
SWITCH_TYPE_NOVAL,
};
@@ -97,6 +99,20 @@ enum {
SWITCH_PORT_ATTR_MAX
};
/* link nested attributes */
enum {
SWITCH_LINK_UNSPEC,
SWITCH_LINK_FLAG_LINK,
SWITCH_LINK_FLAG_DUPLEX,
SWITCH_LINK_FLAG_ANEG,
SWITCH_LINK_FLAG_TX_FLOW,
SWITCH_LINK_FLAG_RX_FLOW,
SWITCH_LINK_SPEED,
SWITCH_LINK_FLAG_EEE_100BASET,
SWITCH_LINK_FLAG_EEE_1000BASET,
SWITCH_LINK_ATTR_MAX,
};
#define SWITCH_ATTR_DEFAULTS_OFFSET 0x1000