summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/net/codel.h7
-rw-r--r--include/net/codel_impl.h14
-rw-r--r--include/uapi/linux/pkt_sched.h3
-rw-r--r--net/mac80211/sta_info.c3
-rw-r--r--net/sched/sch_fq_codel.c13
5 files changed, 25 insertions, 15 deletions
diff --git a/include/net/codel.h b/include/net/codel.h
index 5e8b181b76b8..a6c9e34e62b8 100644
--- a/include/net/codel.h
+++ b/include/net/codel.h
@@ -102,7 +102,9 @@ static inline u32 codel_time_to_us(codel_time_t val)
* @interval: width of moving time window
* @mtu: device mtu, or minimal queue backlog in bytes.
* @ecn: is Explicit Congestion Notification enabled
- * @ce_threshold_ect1: if ce_threshold only marks ECT(1) packets
+ * @ce_threshold_selector: apply ce_threshold to packets matching this value
+ * in the diffserv/ECN byte of the IP header
+ * @ce_threshold_mask: mask to apply to ce_threshold_selector comparison
*/
struct codel_params {
codel_time_t target;
@@ -110,7 +112,8 @@ struct codel_params {
codel_time_t interval;
u32 mtu;
bool ecn;
- bool ce_threshold_ect1;
+ u8 ce_threshold_selector;
+ u8 ce_threshold_mask;
};
/**
diff --git a/include/net/codel_impl.h b/include/net/codel_impl.h
index 7af2c3eb3c43..137d40d8cbeb 100644
--- a/include/net/codel_impl.h
+++ b/include/net/codel_impl.h
@@ -54,7 +54,8 @@ static void codel_params_init(struct codel_params *params)
params->interval = MS2TIME(100);
params->target = MS2TIME(5);
params->ce_threshold = CODEL_DISABLED_THRESHOLD;
- params->ce_threshold_ect1 = false;
+ params->ce_threshold_mask = 0;
+ params->ce_threshold_selector = 0;
params->ecn = false;
}
@@ -250,13 +251,12 @@ end:
if (skb && codel_time_after(vars->ldelay, params->ce_threshold)) {
bool set_ce = true;
- if (params->ce_threshold_ect1) {
- /* Note: if skb_get_dsfield() returns -1, following
- * gives INET_ECN_MASK, which is != INET_ECN_ECT_1.
- */
- u8 ecn = skb_get_dsfield(skb) & INET_ECN_MASK;
+ if (params->ce_threshold_mask) {
+ int dsfield = skb_get_dsfield(skb);
- set_ce = (ecn == INET_ECN_ECT_1);
+ set_ce = (dsfield >= 0 &&
+ (((u8)dsfield & params->ce_threshold_mask) ==
+ params->ce_threshold_selector));
}
if (set_ce && INET_ECN_set_ce(skb))
stats->ce_mark++;
diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h
index 6be9a84cccfa..f292b467b27f 100644
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -840,7 +840,8 @@ enum {
TCA_FQ_CODEL_CE_THRESHOLD,
TCA_FQ_CODEL_DROP_BATCH_SIZE,
TCA_FQ_CODEL_MEMORY_LIMIT,
- TCA_FQ_CODEL_CE_THRESHOLD_ECT1,
+ TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR,
+ TCA_FQ_CODEL_CE_THRESHOLD_MASK,
__TCA_FQ_CODEL_MAX
};
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a39830418434..bd52ac3bee90 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -513,7 +513,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
sta->cparams.target = MS2TIME(20);
sta->cparams.interval = MS2TIME(100);
sta->cparams.ecn = true;
- sta->cparams.ce_threshold_ect1 = false;
+ sta->cparams.ce_threshold_selector = 0;
+ sta->cparams.ce_threshold_mask = 0;
sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr);
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 033d65d06eb1..839e1235db05 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -362,7 +362,8 @@ static const struct nla_policy fq_codel_policy[TCA_FQ_CODEL_MAX + 1] = {
[TCA_FQ_CODEL_CE_THRESHOLD] = { .type = NLA_U32 },
[TCA_FQ_CODEL_DROP_BATCH_SIZE] = { .type = NLA_U32 },
[TCA_FQ_CODEL_MEMORY_LIMIT] = { .type = NLA_U32 },
- [TCA_FQ_CODEL_CE_THRESHOLD_ECT1] = { .type = NLA_U8 },
+ [TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR] = { .type = NLA_U8 },
+ [TCA_FQ_CODEL_CE_THRESHOLD_MASK] = { .type = NLA_U8 },
};
static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt,
@@ -409,8 +410,10 @@ static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt,
q->cparams.ce_threshold = (val * NSEC_PER_USEC) >> CODEL_SHIFT;
}
- if (tb[TCA_FQ_CODEL_CE_THRESHOLD_ECT1])
- q->cparams.ce_threshold_ect1 = !!nla_get_u8(tb[TCA_FQ_CODEL_CE_THRESHOLD_ECT1]);
+ if (tb[TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR])
+ q->cparams.ce_threshold_selector = nla_get_u8(tb[TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR]);
+ if (tb[TCA_FQ_CODEL_CE_THRESHOLD_MASK])
+ q->cparams.ce_threshold_mask = nla_get_u8(tb[TCA_FQ_CODEL_CE_THRESHOLD_MASK]);
if (tb[TCA_FQ_CODEL_INTERVAL]) {
u64 interval = nla_get_u32(tb[TCA_FQ_CODEL_INTERVAL]);
@@ -552,7 +555,9 @@ static int fq_codel_dump(struct Qdisc *sch, struct sk_buff *skb)
if (nla_put_u32(skb, TCA_FQ_CODEL_CE_THRESHOLD,
codel_time_to_us(q->cparams.ce_threshold)))
goto nla_put_failure;
- if (nla_put_u8(skb, TCA_FQ_CODEL_CE_THRESHOLD_ECT1, q->cparams.ce_threshold_ect1))
+ if (nla_put_u8(skb, TCA_FQ_CODEL_CE_THRESHOLD_SELECTOR, q->cparams.ce_threshold_selector))
+ goto nla_put_failure;
+ if (nla_put_u8(skb, TCA_FQ_CODEL_CE_THRESHOLD_MASK, q->cparams.ce_threshold_mask))
goto nla_put_failure;
}