diff options
Diffstat (limited to 'net/sched/act_police.c')
-rw-r--r-- | net/sched/act_police.c | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 0923aa2b8f8a..f4d917705263 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -239,6 +239,20 @@ release_idr: return err; } +static bool tcf_police_mtu_check(struct sk_buff *skb, u32 limit) +{ + u32 len; + + if (skb_is_gso(skb)) + return skb_gso_validate_mac_len(skb, limit); + + len = qdisc_pkt_len(skb); + if (skb_at_tc_ingress(skb)) + len += skb->mac_len; + + return len <= limit; +} + static int tcf_police_act(struct sk_buff *skb, const struct tc_action *a, struct tcf_result *res) { @@ -261,7 +275,7 @@ static int tcf_police_act(struct sk_buff *skb, const struct tc_action *a, goto inc_overlimits; } - if (qdisc_pkt_len(skb) <= p->tcfp_mtu) { + if (tcf_police_mtu_check(skb, p->tcfp_mtu)) { if (!p->rate_present && !p->pps_present) { ret = p->tcfp_result; goto end; @@ -405,20 +419,66 @@ static int tcf_police_search(struct net *net, struct tc_action **a, u32 index) return tcf_idr_search(tn, a, index); } +static int tcf_police_act_to_flow_act(int tc_act, u32 *extval) +{ + int act_id = -EOPNOTSUPP; + + if (!TC_ACT_EXT_OPCODE(tc_act)) { + if (tc_act == TC_ACT_OK) + act_id = FLOW_ACTION_ACCEPT; + else if (tc_act == TC_ACT_SHOT) + act_id = FLOW_ACTION_DROP; + else if (tc_act == TC_ACT_PIPE) + act_id = FLOW_ACTION_PIPE; + } else if (TC_ACT_EXT_CMP(tc_act, TC_ACT_GOTO_CHAIN)) { + act_id = FLOW_ACTION_GOTO; + *extval = tc_act & TC_ACT_EXT_VAL_MASK; + } else if (TC_ACT_EXT_CMP(tc_act, TC_ACT_JUMP)) { + act_id = FLOW_ACTION_JUMP; + *extval = tc_act & TC_ACT_EXT_VAL_MASK; + } + + return act_id; +} + static int tcf_police_offload_act_setup(struct tc_action *act, void *entry_data, u32 *index_inc, bool bind) { if (bind) { struct flow_action_entry *entry = entry_data; + struct tcf_police *police = to_police(act); + struct tcf_police_params *p; + int act_id; + + p = rcu_dereference_protected(police->params, + lockdep_is_held(&police->tcf_lock)); entry->id = FLOW_ACTION_POLICE; entry->police.burst = tcf_police_burst(act); entry->police.rate_bytes_ps = tcf_police_rate_bytes_ps(act); + entry->police.peakrate_bytes_ps = tcf_police_peakrate_bytes_ps(act); + entry->police.avrate = tcf_police_tcfp_ewma_rate(act); + entry->police.overhead = tcf_police_rate_overhead(act); entry->police.burst_pkt = tcf_police_burst_pkt(act); entry->police.rate_pkt_ps = tcf_police_rate_pkt_ps(act); entry->police.mtu = tcf_police_tcfp_mtu(act); + + act_id = tcf_police_act_to_flow_act(police->tcf_action, + &entry->police.exceed.extval); + if (act_id < 0) + return act_id; + + entry->police.exceed.act_id = act_id; + + act_id = tcf_police_act_to_flow_act(p->tcfp_result, + &entry->police.notexceed.extval); + if (act_id < 0) + return act_id; + + entry->police.notexceed.act_id = act_id; + *index_inc = 1; } else { struct flow_offload_action *fl_action = entry_data; |