diff options
| author | Jiri Pirko | 2012-04-04 14:16:26 +0200 |
|---|---|---|
| committer | David S. Miller | 2012-04-05 02:30:40 +0200 |
| commit | 2615598fc100451c71b83d06bdf5faead619a40e (patch) | |
| tree | d8df65665fecf7dfd25d42ba862c6f929be43ca3 /drivers/net/team/team.c | |
| parent | stmmac: update the driver version March 2012 (diff) | |
| download | kernel-qcow2-linux-2615598fc100451c71b83d06bdf5faead619a40e.tar.gz kernel-qcow2-linux-2615598fc100451c71b83d06bdf5faead619a40e.tar.xz kernel-qcow2-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/team.c')
| -rw-r--r-- | drivers/net/team/team.c | 30 |
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(); } |