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Diffstat (limited to 'net/sched/cls_flower.c')
-rw-r--r--net/sched/cls_flower.c118
1 files changed, 66 insertions, 52 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index c307ee1d6ca6..6c68971d99df 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -56,8 +56,13 @@ struct fl_flow_key {
struct flow_dissector_key_ip ip;
struct flow_dissector_key_ip enc_ip;
struct flow_dissector_key_enc_opts enc_opts;
- struct flow_dissector_key_ports tp_min;
- struct flow_dissector_key_ports tp_max;
+ union {
+ struct flow_dissector_key_ports tp;
+ struct {
+ struct flow_dissector_key_ports tp_min;
+ struct flow_dissector_key_ports tp_max;
+ };
+ } tp_range;
struct flow_dissector_key_ct ct;
} __aligned(BITS_PER_LONG / 8); /* Ensure that we can do comparisons as longs. */
@@ -200,19 +205,19 @@ static bool fl_range_port_dst_cmp(struct cls_fl_filter *filter,
{
__be16 min_mask, max_mask, min_val, max_val;
- min_mask = htons(filter->mask->key.tp_min.dst);
- max_mask = htons(filter->mask->key.tp_max.dst);
- min_val = htons(filter->key.tp_min.dst);
- max_val = htons(filter->key.tp_max.dst);
+ min_mask = htons(filter->mask->key.tp_range.tp_min.dst);
+ max_mask = htons(filter->mask->key.tp_range.tp_max.dst);
+ min_val = htons(filter->key.tp_range.tp_min.dst);
+ max_val = htons(filter->key.tp_range.tp_max.dst);
if (min_mask && max_mask) {
- if (htons(key->tp.dst) < min_val ||
- htons(key->tp.dst) > max_val)
+ if (htons(key->tp_range.tp.dst) < min_val ||
+ htons(key->tp_range.tp.dst) > max_val)
return false;
/* skb does not have min and max values */
- mkey->tp_min.dst = filter->mkey.tp_min.dst;
- mkey->tp_max.dst = filter->mkey.tp_max.dst;
+ mkey->tp_range.tp_min.dst = filter->mkey.tp_range.tp_min.dst;
+ mkey->tp_range.tp_max.dst = filter->mkey.tp_range.tp_max.dst;
}
return true;
}
@@ -223,19 +228,19 @@ static bool fl_range_port_src_cmp(struct cls_fl_filter *filter,
{
__be16 min_mask, max_mask, min_val, max_val;
- min_mask = htons(filter->mask->key.tp_min.src);
- max_mask = htons(filter->mask->key.tp_max.src);
- min_val = htons(filter->key.tp_min.src);
- max_val = htons(filter->key.tp_max.src);
+ min_mask = htons(filter->mask->key.tp_range.tp_min.src);
+ max_mask = htons(filter->mask->key.tp_range.tp_max.src);
+ min_val = htons(filter->key.tp_range.tp_min.src);
+ max_val = htons(filter->key.tp_range.tp_max.src);
if (min_mask && max_mask) {
- if (htons(key->tp.src) < min_val ||
- htons(key->tp.src) > max_val)
+ if (htons(key->tp_range.tp.src) < min_val ||
+ htons(key->tp_range.tp.src) > max_val)
return false;
/* skb does not have min and max values */
- mkey->tp_min.src = filter->mkey.tp_min.src;
- mkey->tp_max.src = filter->mkey.tp_max.src;
+ mkey->tp_range.tp_min.src = filter->mkey.tp_range.tp_min.src;
+ mkey->tp_range.tp_max.src = filter->mkey.tp_range.tp_max.src;
}
return true;
}
@@ -734,23 +739,25 @@ static void fl_set_key_val(struct nlattr **tb,
static int fl_set_key_port_range(struct nlattr **tb, struct fl_flow_key *key,
struct fl_flow_key *mask)
{
- fl_set_key_val(tb, &key->tp_min.dst,
- TCA_FLOWER_KEY_PORT_DST_MIN, &mask->tp_min.dst,
- TCA_FLOWER_UNSPEC, sizeof(key->tp_min.dst));
- fl_set_key_val(tb, &key->tp_max.dst,
- TCA_FLOWER_KEY_PORT_DST_MAX, &mask->tp_max.dst,
- TCA_FLOWER_UNSPEC, sizeof(key->tp_max.dst));
- fl_set_key_val(tb, &key->tp_min.src,
- TCA_FLOWER_KEY_PORT_SRC_MIN, &mask->tp_min.src,
- TCA_FLOWER_UNSPEC, sizeof(key->tp_min.src));
- fl_set_key_val(tb, &key->tp_max.src,
- TCA_FLOWER_KEY_PORT_SRC_MAX, &mask->tp_max.src,
- TCA_FLOWER_UNSPEC, sizeof(key->tp_max.src));
-
- if ((mask->tp_min.dst && mask->tp_max.dst &&
- htons(key->tp_max.dst) <= htons(key->tp_min.dst)) ||
- (mask->tp_min.src && mask->tp_max.src &&
- htons(key->tp_max.src) <= htons(key->tp_min.src)))
+ fl_set_key_val(tb, &key->tp_range.tp_min.dst,
+ TCA_FLOWER_KEY_PORT_DST_MIN, &mask->tp_range.tp_min.dst,
+ TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_min.dst));
+ fl_set_key_val(tb, &key->tp_range.tp_max.dst,
+ TCA_FLOWER_KEY_PORT_DST_MAX, &mask->tp_range.tp_max.dst,
+ TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_max.dst));
+ fl_set_key_val(tb, &key->tp_range.tp_min.src,
+ TCA_FLOWER_KEY_PORT_SRC_MIN, &mask->tp_range.tp_min.src,
+ TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_min.src));
+ fl_set_key_val(tb, &key->tp_range.tp_max.src,
+ TCA_FLOWER_KEY_PORT_SRC_MAX, &mask->tp_range.tp_max.src,
+ TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_max.src));
+
+ if ((mask->tp_range.tp_min.dst && mask->tp_range.tp_max.dst &&
+ htons(key->tp_range.tp_max.dst) <=
+ htons(key->tp_range.tp_min.dst)) ||
+ (mask->tp_range.tp_min.src && mask->tp_range.tp_max.src &&
+ htons(key->tp_range.tp_max.src) <=
+ htons(key->tp_range.tp_min.src)))
return -EINVAL;
return 0;
@@ -1509,9 +1516,10 @@ static void fl_init_dissector(struct flow_dissector *dissector,
FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4);
FL_KEY_SET_IF_MASKED(mask, keys, cnt,
FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6);
- if (FL_KEY_IS_MASKED(mask, tp) ||
- FL_KEY_IS_MASKED(mask, tp_min) || FL_KEY_IS_MASKED(mask, tp_max))
- FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_PORTS, tp);
+ FL_KEY_SET_IF_MASKED(mask, keys, cnt,
+ FLOW_DISSECTOR_KEY_PORTS, tp);
+ FL_KEY_SET_IF_MASKED(mask, keys, cnt,
+ FLOW_DISSECTOR_KEY_PORTS_RANGE, tp_range);
FL_KEY_SET_IF_MASKED(mask, keys, cnt,
FLOW_DISSECTOR_KEY_IP, ip);
FL_KEY_SET_IF_MASKED(mask, keys, cnt,
@@ -1560,8 +1568,10 @@ static struct fl_flow_mask *fl_create_new_mask(struct cls_fl_head *head,
fl_mask_copy(newmask, mask);
- if ((newmask->key.tp_min.dst && newmask->key.tp_max.dst) ||
- (newmask->key.tp_min.src && newmask->key.tp_max.src))
+ if ((newmask->key.tp_range.tp_min.dst &&
+ newmask->key.tp_range.tp_max.dst) ||
+ (newmask->key.tp_range.tp_min.src &&
+ newmask->key.tp_range.tp_max.src))
newmask->flags |= TCA_FLOWER_MASK_FLAGS_RANGE;
err = fl_init_mask_hashtable(newmask);
@@ -2159,18 +2169,22 @@ static int fl_dump_key_val(struct sk_buff *skb,
static int fl_dump_key_port_range(struct sk_buff *skb, struct fl_flow_key *key,
struct fl_flow_key *mask)
{
- if (fl_dump_key_val(skb, &key->tp_min.dst, TCA_FLOWER_KEY_PORT_DST_MIN,
- &mask->tp_min.dst, TCA_FLOWER_UNSPEC,
- sizeof(key->tp_min.dst)) ||
- fl_dump_key_val(skb, &key->tp_max.dst, TCA_FLOWER_KEY_PORT_DST_MAX,
- &mask->tp_max.dst, TCA_FLOWER_UNSPEC,
- sizeof(key->tp_max.dst)) ||
- fl_dump_key_val(skb, &key->tp_min.src, TCA_FLOWER_KEY_PORT_SRC_MIN,
- &mask->tp_min.src, TCA_FLOWER_UNSPEC,
- sizeof(key->tp_min.src)) ||
- fl_dump_key_val(skb, &key->tp_max.src, TCA_FLOWER_KEY_PORT_SRC_MAX,
- &mask->tp_max.src, TCA_FLOWER_UNSPEC,
- sizeof(key->tp_max.src)))
+ if (fl_dump_key_val(skb, &key->tp_range.tp_min.dst,
+ TCA_FLOWER_KEY_PORT_DST_MIN,
+ &mask->tp_range.tp_min.dst, TCA_FLOWER_UNSPEC,
+ sizeof(key->tp_range.tp_min.dst)) ||
+ fl_dump_key_val(skb, &key->tp_range.tp_max.dst,
+ TCA_FLOWER_KEY_PORT_DST_MAX,
+ &mask->tp_range.tp_max.dst, TCA_FLOWER_UNSPEC,
+ sizeof(key->tp_range.tp_max.dst)) ||
+ fl_dump_key_val(skb, &key->tp_range.tp_min.src,
+ TCA_FLOWER_KEY_PORT_SRC_MIN,
+ &mask->tp_range.tp_min.src, TCA_FLOWER_UNSPEC,
+ sizeof(key->tp_range.tp_min.src)) ||
+ fl_dump_key_val(skb, &key->tp_range.tp_max.src,
+ TCA_FLOWER_KEY_PORT_SRC_MAX,
+ &mask->tp_range.tp_max.src, TCA_FLOWER_UNSPEC,
+ sizeof(key->tp_range.tp_max.src)))
return -1;
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.