diff options
Diffstat (limited to 'net/netlink')
| -rw-r--r-- | net/netlink/genetlink.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 3ac942cdb67..49bc2db7982 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -387,7 +387,10 @@ static void genl_rcv(struct sock *sk, int len) static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq, u32 flags, struct sk_buff *skb, u8 cmd) { + struct nlattr *nla_ops; + struct genl_ops *ops; void *hdr; + int idx = 1; hdr = genlmsg_put(skb, pid, seq, GENL_ID_CTRL, 0, flags, cmd, family->version); @@ -396,6 +399,37 @@ static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq, NLA_PUT_STRING(skb, CTRL_ATTR_FAMILY_NAME, family->name); NLA_PUT_U16(skb, CTRL_ATTR_FAMILY_ID, family->id); + NLA_PUT_U32(skb, CTRL_ATTR_VERSION, family->version); + NLA_PUT_U32(skb, CTRL_ATTR_HDRSIZE, family->hdrsize); + NLA_PUT_U32(skb, CTRL_ATTR_MAXATTR, family->maxattr); + + nla_ops = nla_nest_start(skb, CTRL_ATTR_OPS); + if (nla_ops == NULL) + goto nla_put_failure; + + list_for_each_entry(ops, &family->ops_list, ops_list) { + struct nlattr *nest; + + nest = nla_nest_start(skb, idx++); + if (nest == NULL) + goto nla_put_failure; + + NLA_PUT_U32(skb, CTRL_ATTR_OP_ID, ops->cmd); + NLA_PUT_U32(skb, CTRL_ATTR_OP_FLAGS, ops->flags); + + if (ops->policy) + NLA_PUT_FLAG(skb, CTRL_ATTR_OP_POLICY); + + if (ops->doit) + NLA_PUT_FLAG(skb, CTRL_ATTR_OP_DOIT); + + if (ops->dumpit) + NLA_PUT_FLAG(skb, CTRL_ATTR_OP_DUMPIT); + + nla_nest_end(skb, nest); + } + + nla_nest_end(skb, nla_ops); return genlmsg_end(skb, hdr); @@ -411,6 +445,9 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) int chains_to_skip = cb->args[0]; int fams_to_skip = cb->args[1]; + if (chains_to_skip != 0) + genl_lock(); + for (i = 0; i < GENL_FAM_TAB_SIZE; i++) { if (i < chains_to_skip) continue; @@ -428,6 +465,9 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) } errout: + if (chains_to_skip != 0) + genl_unlock(); + cb->args[0] = i; cb->args[1] = n; |