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| author | Baowen Zheng <baowen.zheng@corigine.com> | 2021-12-17 21:16:28 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-12-19 17:08:48 +0300 |
| commit | c86e0209dc7725c91583e3c0c78c3da6a28daeb4 (patch) | |
| tree | c1898a794730eb8eaf572ada61f5367bf4021e42 /net/sched/cls_api.c | |
| parent | 13926d19a11e303f12571df61b7bb64f17cb4561 (diff) | |
| download | linux-c86e0209dc7725c91583e3c0c78c3da6a28daeb4.tar.xz | |
flow_offload: validate flags of filter and actions
Add process to validate flags of filter and actions when adding
a tc filter.
We need to prevent adding filter with flags conflicts with its actions.
Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_api.c')
| -rw-r--r-- | net/sched/cls_api.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 353e1eed48be..e3e26d358c7f 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -3025,9 +3025,9 @@ void tcf_exts_destroy(struct tcf_exts *exts) } EXPORT_SYMBOL(tcf_exts_destroy); -int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb, - struct nlattr *rate_tlv, struct tcf_exts *exts, - u32 flags, struct netlink_ext_ack *extack) +int tcf_exts_validate_ex(struct net *net, struct tcf_proto *tp, struct nlattr **tb, + struct nlattr *rate_tlv, struct tcf_exts *exts, + u32 flags, u32 fl_flags, struct netlink_ext_ack *extack) { #ifdef CONFIG_NET_CLS_ACT { @@ -3061,7 +3061,8 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb, flags |= TCA_ACT_FLAGS_BIND; err = tcf_action_init(net, tp, tb[exts->action], rate_tlv, exts->actions, init_res, - &attr_size, flags, extack); + &attr_size, flags, fl_flags, + extack); if (err < 0) return err; exts->nr_actions = err; @@ -3077,6 +3078,15 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb, return 0; } +EXPORT_SYMBOL(tcf_exts_validate_ex); + +int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb, + struct nlattr *rate_tlv, struct tcf_exts *exts, + u32 flags, struct netlink_ext_ack *extack) +{ + return tcf_exts_validate_ex(net, tp, tb, rate_tlv, exts, + flags, 0, extack); +} EXPORT_SYMBOL(tcf_exts_validate); void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src) |