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authorJiri Pirko <jpirko@redhat.com>2012-04-04 14:16:26 +0200
committerDavid S. Miller <davem@davemloft.net>2012-04-05 02:30:40 +0200
commit2615598fc100451c71b83d06bdf5faead619a40e (patch)
treed8df65665fecf7dfd25d42ba862c6f929be43ca3 /drivers/net/team
parentstmmac: update the driver version March 2012 (diff)
downloadlinux-2615598fc100451c71b83d06bdf5faead619a40e.tar.xz
linux-2615598fc100451c71b83d06bdf5faead619a40e.zip
team: add binary option type
For transfering generic binary data (e.g. BPF code), introduce new binary option type. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/team')
-rw-r--r--drivers/net/team/team.c30
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 0db6e66ea98d..ea96f822de52 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1145,10 +1145,7 @@ team_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = {
},
[TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG },
[TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8 },
- [TEAM_ATTR_OPTION_DATA] = {
- .type = NLA_BINARY,
- .len = TEAM_STRING_MAX_LEN,
- },
+ [TEAM_ATTR_OPTION_DATA] = { .type = NLA_BINARY },
};
static int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info)
@@ -1257,6 +1254,7 @@ static int team_nl_fill_options_get(struct sk_buff *skb,
list_for_each_entry(option, &team->option_list, list) {
struct nlattr *option_item;
long arg;
+ struct team_option_binary tbinary;
/* Include only changed options if fill all mode is not on */
if (!fillall && !option->changed)
@@ -1290,6 +1288,15 @@ static int team_nl_fill_options_get(struct sk_buff *skb,
(char *) arg))
goto nla_put_failure;
break;
+ case TEAM_OPTION_TYPE_BINARY:
+ if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_BINARY))
+ goto nla_put_failure;
+ arg = (long) &tbinary;
+ team_option_get(team, option, &arg);
+ if (nla_put(skb, TEAM_ATTR_OPTION_DATA,
+ tbinary.data_len, tbinary.data))
+ goto nla_put_failure;
+ break;
default:
BUG();
}
@@ -1374,6 +1381,9 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
case NLA_STRING:
opt_type = TEAM_OPTION_TYPE_STRING;
break;
+ case NLA_BINARY:
+ opt_type = TEAM_OPTION_TYPE_BINARY;
+ break;
default:
goto team_put;
}
@@ -1382,19 +1392,31 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
list_for_each_entry(option, &team->option_list, list) {
long arg;
struct nlattr *opt_data_attr;
+ struct team_option_binary tbinary;
+ int data_len;
if (option->type != opt_type ||
strcmp(option->name, opt_name))
continue;
opt_found = true;
opt_data_attr = mode_attrs[TEAM_ATTR_OPTION_DATA];
+ data_len = nla_len(opt_data_attr);
switch (opt_type) {
case TEAM_OPTION_TYPE_U32:
arg = nla_get_u32(opt_data_attr);
break;
case TEAM_OPTION_TYPE_STRING:
+ if (data_len > TEAM_STRING_MAX_LEN) {
+ err = -EINVAL;
+ goto team_put;
+ }
arg = (long) nla_data(opt_data_attr);
break;
+ case TEAM_OPTION_TYPE_BINARY:
+ tbinary.data_len = data_len;
+ tbinary.data = nla_data(opt_data_attr);
+ arg = (long) &tbinary;
+ break;
default:
BUG();
}