[PATCH net-next 8/8] net: sched: act: mirred: add extack support
From: Alexander Aring <hidden>
Date: 2018-02-12 20:19:48
Subsystem:
networking [general], tc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jamal Hadi Salim, Jiri Pirko, Linus Torvalds
This patch adds extack support for TC mirred action. Cc: David Ahern <redacted> Signed-off-by: Alexander Aring <redacted> --- net/sched/act_mirred.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 05c2ebe92eca..fd34015331ab 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c@@ -80,13 +80,17 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, bool exists = false; int ret; - if (!nla) + if (!nla) { + NL_SET_ERR_MSG_MOD(extack, "Mirred requires attributes to be passed"); return -EINVAL; - ret = nla_parse_nested(tb, TCA_MIRRED_MAX, nla, mirred_policy, NULL); + } + ret = nla_parse_nested(tb, TCA_MIRRED_MAX, nla, mirred_policy, extack); if (ret < 0) return ret; - if (!tb[TCA_MIRRED_PARMS]) + if (!tb[TCA_MIRRED_PARMS]) { + NL_SET_ERR_MSG_MOD(extack, "Missing required mirred parameters"); return -EINVAL; + } parm = nla_data(tb[TCA_MIRRED_PARMS]); exists = tcf_idr_check(tn, parm->index, a, bind);
@@ -102,6 +106,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, default: if (exists) tcf_idr_release(*a, bind); + NL_SET_ERR_MSG_MOD(extack, "Unknown mirred option"); return -EINVAL; } if (parm->ifindex) {
@@ -117,8 +122,10 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, } if (!exists) { - if (!dev) + if (!dev) { + NL_SET_ERR_MSG_MOD(extack, "Specified device does not exist"); return -EINVAL; + } ret = tcf_idr_create(tn, parm->index, est, a, &act_mirred_ops, bind, true); if (ret)
--
2.11.0