diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/dsa.h | 2 | ||||
| -rw-r--r-- | include/net/flow_offload.h | 2 | ||||
| -rw-r--r-- | include/net/tc_act/tc_police.h | 32 |
3 files changed, 32 insertions, 4 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 50389772c597..4046ccd1945d 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -144,7 +144,7 @@ struct dsa_mall_mirror_tc_entry { /* TC port policer entry */ struct dsa_mall_policer_tc_entry { - s64 burst; + u32 burst; u64 rate_bytes_per_sec; }; diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 3e793ac66baf..de395498440d 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -233,7 +233,7 @@ struct flow_action_entry { } sample; struct { /* FLOW_ACTION_POLICE */ u32 index; - s64 burst; + u32 burst; u64 rate_bytes_ps; u32 mtu; } police; diff --git a/include/net/tc_act/tc_police.h b/include/net/tc_act/tc_police.h index cd973b10ae8c..6d1e26b709b5 100644 --- a/include/net/tc_act/tc_police.h +++ b/include/net/tc_act/tc_police.h @@ -59,14 +59,42 @@ static inline u64 tcf_police_rate_bytes_ps(const struct tc_action *act) return params->rate.rate_bytes_ps; } -static inline s64 tcf_police_tcfp_burst(const struct tc_action *act) +static inline u32 tcf_police_burst(const struct tc_action *act) { struct tcf_police *police = to_police(act); struct tcf_police_params *params; + u32 burst; params = rcu_dereference_protected(police->params, lockdep_is_held(&police->tcf_lock)); - return params->tcfp_burst; + + /* + * "rate" bytes "burst" nanoseconds + * ------------ * ------------------- + * 1 second 2^6 ticks + * + * ------------------------------------ + * NSEC_PER_SEC nanoseconds + * ------------------------ + * 2^6 ticks + * + * "rate" bytes "burst" nanoseconds 2^6 ticks + * = ------------ * ------------------- * ------------------------ + * 1 second 2^6 ticks NSEC_PER_SEC nanoseconds + * + * "rate" * "burst" + * = ---------------- bytes/nanosecond + * NSEC_PER_SEC^2 + * + * + * "rate" * "burst" + * = ---------------- bytes/second + * NSEC_PER_SEC + */ + burst = div_u64(params->tcfp_burst * params->rate.rate_bytes_ps, + NSEC_PER_SEC); + + return burst; } static inline u32 tcf_police_tcfp_mtu(const struct tc_action *act) |