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team: add support for per-port options

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This patch allows to create per-port options. That becomes handy for all
sorts of stuff, for example for userspace driven link-state, 802.3ad
implementation and so on.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2012-04-10 05:15:42 +00:00
committed by David S. Miller
parent 7a5cc24277
commit 80f7c6683f
4 changed files with 283 additions and 105 deletions
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30
include/linux/if_team.h
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@@ -71,25 +71,27 @@ enum team_option_type {
TEAM_OPTION_TYPE_BINARY,
};
struct team_gsetter_ctx {
union {
u32 u32_val;
const char *str_val;
struct {
const void *ptr;
u32 len;
} bin_val;
} data;
struct team_port *port;
};
struct team_option {
struct list_head list;
const char *name;
bool per_port;
enum team_option_type type;
int (*getter)(struct team *team, void *arg);
int (*setter)(struct team *team, void *arg);
/* Custom gennetlink interface related flags */
bool changed;
bool removed;
int (*getter)(struct team *team, struct team_gsetter_ctx *ctx);
int (*setter)(struct team *team, struct team_gsetter_ctx *ctx);
};
struct team_option_binary {
u32 data_len;
void *data;
};
#define team_optarg_tbinary(arg) (*((struct team_option_binary **) arg))
struct team_mode {
struct list_head list;
const char *kind;
@@ -118,6 +120,7 @@ struct team {
struct list_head port_list;
struct list_head option_list;
struct list_head option_inst_list; /* list of option instances */
const struct team_mode *mode;
struct team_mode_ops ops;
@@ -224,6 +227,7 @@ enum {
TEAM_ATTR_OPTION_TYPE, /* u8 */
TEAM_ATTR_OPTION_DATA, /* dynamic */
TEAM_ATTR_OPTION_REMOVED, /* flag */
TEAM_ATTR_OPTION_PORT_IFINDEX, /* u32 */ /* for per-port options */
__TEAM_ATTR_OPTION_MAX,
TEAM_ATTR_OPTION_MAX = __TEAM_ATTR_OPTION_MAX - 1,