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Date: Tue, 10 Apr 2012 17:15:43 +0200
From: Jiri Pirko <jpirko@...hat.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, eric.dumazet@...il.com
Subject: [patch net-next 2/5] team: add bool option type
Add another (hopefully last) option type. Use NLA_FLAG to implement
that.
Signed-off-by: Jiri Pirko <jpirko@...hat.com>
---
drivers/net/team/team.c | 40 +++++++++++++++++++++++++++++-----------
include/linux/if_team.h | 2 ++
2 files changed, 31 insertions(+), 11 deletions(-)
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index eaf8441..2645fae 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1463,6 +1463,16 @@ static int team_nl_fill_options_get(struct sk_buff *skb,
ctx.data.bin_val.len, ctx.data.bin_val.ptr))
goto nla_put_failure;
break;
+ case TEAM_OPTION_TYPE_BOOL:
+ if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_FLAG))
+ goto nla_put_failure;
+ err = team_option_get(team, opt_inst, &ctx);
+ if (err)
+ goto errout;
+ if (ctx.data.bool_val &&
+ nla_put_flag(skb, TEAM_ATTR_OPTION_DATA))
+ goto nla_put_failure;
+ break;
default:
BUG();
}
@@ -1524,6 +1534,7 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
nla_for_each_nested(nl_option, info->attrs[TEAM_ATTR_LIST_OPTION], i) {
struct nlattr *opt_attrs[TEAM_ATTR_OPTION_MAX + 1];
struct nlattr *attr_port_ifindex;
+ struct nlattr *attr_data;
enum team_option_type opt_type;
int opt_port_ifindex = 0; /* != 0 for per-port options */
struct team_option_inst *opt_inst;
@@ -1539,8 +1550,7 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
if (err)
goto team_put;
if (!opt_attrs[TEAM_ATTR_OPTION_NAME] ||
- !opt_attrs[TEAM_ATTR_OPTION_TYPE] ||
- !opt_attrs[TEAM_ATTR_OPTION_DATA]) {
+ !opt_attrs[TEAM_ATTR_OPTION_TYPE]) {
err = -EINVAL;
goto team_put;
}
@@ -1554,10 +1564,19 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
case NLA_BINARY:
opt_type = TEAM_OPTION_TYPE_BINARY;
break;
+ case NLA_FLAG:
+ opt_type = TEAM_OPTION_TYPE_BOOL;
+ break;
default:
goto team_put;
}
+ attr_data = opt_attrs[TEAM_ATTR_OPTION_DATA];
+ if (opt_type != TEAM_OPTION_TYPE_BOOL && !attr_data) {
+ err = -EINVAL;
+ goto team_put;
+ }
+
opt_name = nla_data(opt_attrs[TEAM_ATTR_OPTION_NAME]);
attr_port_ifindex = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX];
if (attr_port_ifindex)
@@ -1565,9 +1584,7 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
list_for_each_entry(opt_inst, &team->option_inst_list, list) {
struct team_option *option = opt_inst->option;
- struct nlattr *opt_data_attr;
struct team_gsetter_ctx ctx;
- int data_len;
int tmp_ifindex;
tmp_ifindex = opt_inst->port ?
@@ -1577,23 +1594,24 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
tmp_ifindex != opt_port_ifindex)
continue;
opt_found = true;
- opt_data_attr = opt_attrs[TEAM_ATTR_OPTION_DATA];
- data_len = nla_len(opt_data_attr);
ctx.port = opt_inst->port;
switch (opt_type) {
case TEAM_OPTION_TYPE_U32:
- ctx.data.u32_val = nla_get_u32(opt_data_attr);
+ ctx.data.u32_val = nla_get_u32(attr_data);
break;
case TEAM_OPTION_TYPE_STRING:
- if (data_len > TEAM_STRING_MAX_LEN) {
+ if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) {
err = -EINVAL;
goto team_put;
}
- ctx.data.str_val = nla_data(opt_data_attr);
+ ctx.data.str_val = nla_data(attr_data);
break;
case TEAM_OPTION_TYPE_BINARY:
- ctx.data.bin_val.len = data_len;
- ctx.data.bin_val.ptr = nla_data(opt_data_attr);
+ ctx.data.bin_val.len = nla_len(attr_data);
+ ctx.data.bin_val.ptr = nla_data(attr_data);
+ break;
+ case TEAM_OPTION_TYPE_BOOL:
+ ctx.data.bool_val = attr_data ? true : false;
break;
default:
BUG();
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index 6f27c84..78c84fd 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -69,6 +69,7 @@ enum team_option_type {
TEAM_OPTION_TYPE_U32,
TEAM_OPTION_TYPE_STRING,
TEAM_OPTION_TYPE_BINARY,
+ TEAM_OPTION_TYPE_BOOL,
};
struct team_gsetter_ctx {
@@ -79,6 +80,7 @@ struct team_gsetter_ctx {
const void *ptr;
u32 len;
} bin_val;
+ bool bool_val;
} data;
struct team_port *port;
};
--
1.7.9.1
--
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