diff options
| author | Alexander Aring <aring@mojatatu.com> | 2018-02-15 10:55:00 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-02-16 16:05:51 -0500 |
| commit | 1d4760c75d4f8c7c73f040f0261a09cf1481fdec (patch) | |
| tree | 7bd43e597cc4d3eba5e085102568a9cf6ad98471 /net/sched/act_mirred.c | |
| parent | b36201455aa0749e8708ef97ed9c1c9ece29a113 (diff) | |
| download | linux-1d4760c75d4f8c7c73f040f0261a09cf1481fdec.tar.bz2 | |
net: sched: act: mirred: add extack support
This patch adds extack support for TC mirred action.
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_mirred.c')
| -rw-r--r-- | net/sched/act_mirred.c | 15 |
1 files 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) |