diff options
| author | David Ahern <dsahern@gmail.com> | 2017-05-28 00:19:28 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-30 17:55:32 +0200 |
| commit | 9ae287274817c032a4428fde84d1ab26d6b96761 (patch) | |
| tree | 1adfdc9ae78f4dd242fd2918047647aa3895364b /include | |
| parent | net: lwtunnel: Add extack to encap attr validation (diff) | |
| download | linux-9ae287274817c032a4428fde84d1ab26d6b96761.tar.xz linux-9ae287274817c032a4428fde84d1ab26d6b96761.zip | |
net: add extack arg to lwtunnel build state
Pass extack arg down to lwtunnel_build_state and the build_state callbacks.
Add messages for failures in lwtunnel_build_state, and add the extarg to
nla_parse where possible in the build_state callbacks.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netlink.h | 10 | ||||
| -rw-r--r-- | include/net/lwtunnel.h | 9 |
2 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h index a68aad484c69..8664fd26eb5d 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -102,6 +102,16 @@ struct netlink_ext_ack { (extack)->bad_attr = (attr); \ } while (0) +#define NL_SET_ERR_MSG_ATTR(extack, attr, msg) do { \ + static const char __msg[] = (msg); \ + struct netlink_ext_ack *__extack = (extack); \ + \ + if (__extack) { \ + __extack->_msg = __msg; \ + __extack->bad_attr = (attr); \ + } \ +} while (0) + extern void netlink_kernel_release(struct sock *sk); extern int __netlink_change_ngroups(struct sock *sk, unsigned int groups); extern int netlink_change_ngroups(struct sock *sk, unsigned int groups); diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h index ca6f002774ef..7c26863b8cf4 100644 --- a/include/net/lwtunnel.h +++ b/include/net/lwtunnel.h @@ -35,7 +35,8 @@ struct lwtunnel_state { struct lwtunnel_encap_ops { int (*build_state)(struct nlattr *encap, unsigned int family, const void *cfg, - struct lwtunnel_state **ts); + struct lwtunnel_state **ts, + struct netlink_ext_ack *extack); void (*destroy_state)(struct lwtunnel_state *lws); int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb); int (*input)(struct sk_buff *skb); @@ -114,7 +115,8 @@ int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len, int lwtunnel_build_state(u16 encap_type, struct nlattr *encap, unsigned int family, const void *cfg, - struct lwtunnel_state **lws); + struct lwtunnel_state **lws, + struct netlink_ext_ack *extack); int lwtunnel_fill_encap(struct sk_buff *skb, struct lwtunnel_state *lwtstate); int lwtunnel_get_encap_size(struct lwtunnel_state *lwtstate); @@ -192,7 +194,8 @@ static inline int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len, static inline int lwtunnel_build_state(u16 encap_type, struct nlattr *encap, unsigned int family, const void *cfg, - struct lwtunnel_state **lws) + struct lwtunnel_state **lws, + struct netlink_ext_ack *extack) { return -EOPNOTSUPP; } |