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-rw-r--r--include/uapi/linux/pkt_cls.h11
-rw-r--r--net/sched/cls_flower.c100
2 files changed, 110 insertions, 1 deletions
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index 51b5b247fb5a..f9c287c67eae 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -431,6 +431,17 @@ enum {
TCA_FLOWER_KEY_VLAN_ID,
TCA_FLOWER_KEY_VLAN_PRIO,
TCA_FLOWER_KEY_VLAN_ETH_TYPE,
+
+ TCA_FLOWER_KEY_ENC_KEY_ID, /* be32 */
+ TCA_FLOWER_KEY_ENC_IPV4_SRC, /* be32 */
+ TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,/* be32 */
+ TCA_FLOWER_KEY_ENC_IPV4_DST, /* be32 */
+ TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,/* be32 */
+ TCA_FLOWER_KEY_ENC_IPV6_SRC, /* struct in6_addr */
+ TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,/* struct in6_addr */
+ TCA_FLOWER_KEY_ENC_IPV6_DST, /* struct in6_addr */
+ TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,/* struct in6_addr */
+
__TCA_FLOWER_MAX,
};
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index cf9ad5b50889..b084b2aab2d7 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -23,9 +23,13 @@
#include <net/ip.h>
#include <net/flow_dissector.h>
+#include <net/dst.h>
+#include <net/dst_metadata.h>
+
struct fl_flow_key {
int indev_ifindex;
struct flow_dissector_key_control control;
+ struct flow_dissector_key_control enc_control;
struct flow_dissector_key_basic basic;
struct flow_dissector_key_eth_addrs eth;
struct flow_dissector_key_vlan vlan;
@@ -35,6 +39,11 @@ struct fl_flow_key {
struct flow_dissector_key_ipv6_addrs ipv6;
};
struct flow_dissector_key_ports tp;
+ struct flow_dissector_key_keyid enc_key_id;
+ union {
+ struct flow_dissector_key_ipv4_addrs enc_ipv4;
+ struct flow_dissector_key_ipv6_addrs enc_ipv6;
+ };
} __aligned(BITS_PER_LONG / 8); /* Ensure that we can do comparisons as longs. */
struct fl_flow_mask_range {
@@ -124,11 +133,31 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct cls_fl_filter *f;
struct fl_flow_key skb_key;
struct fl_flow_key skb_mkey;
+ struct ip_tunnel_info *info;
if (!atomic_read(&head->ht.nelems))
return -1;
fl_clear_masked_range(&skb_key, &head->mask);
+
+ info = skb_tunnel_info(skb);
+ if (info) {
+ struct ip_tunnel_key *key = &info->key;
+
+ switch (ip_tunnel_info_af(info)) {
+ case AF_INET:
+ skb_key.enc_ipv4.src = key->u.ipv4.src;
+ skb_key.enc_ipv4.dst = key->u.ipv4.dst;
+ break;
+ case AF_INET6:
+ skb_key.enc_ipv6.src = key->u.ipv6.src;
+ skb_key.enc_ipv6.dst = key->u.ipv6.dst;
+ break;
+ }
+
+ skb_key.enc_key_id.keyid = tunnel_id_to_key32(key->tun_id);
+ }
+
skb_key.indev_ifindex = skb->skb_iif;
/* skb_flow_dissect() does not set n_proto in case an unknown protocol,
* so do it rather here.
@@ -297,7 +326,15 @@ static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
[TCA_FLOWER_KEY_VLAN_ID] = { .type = NLA_U16 },
[TCA_FLOWER_KEY_VLAN_PRIO] = { .type = NLA_U8 },
[TCA_FLOWER_KEY_VLAN_ETH_TYPE] = { .type = NLA_U16 },
-
+ [TCA_FLOWER_KEY_ENC_KEY_ID] = { .type = NLA_U32 },
+ [TCA_FLOWER_KEY_ENC_IPV4_SRC] = { .type = NLA_U32 },
+ [TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK] = { .type = NLA_U32 },
+ [TCA_FLOWER_KEY_ENC_IPV4_DST] = { .type = NLA_U32 },
+ [TCA_FLOWER_KEY_ENC_IPV4_DST_MASK] = { .type = NLA_U32 },
+ [TCA_FLOWER_KEY_ENC_IPV6_SRC] = { .len = sizeof(struct in6_addr) },
+ [TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK] = { .len = sizeof(struct in6_addr) },
+ [TCA_FLOWER_KEY_ENC_IPV6_DST] = { .len = sizeof(struct in6_addr) },
+ [TCA_FLOWER_KEY_ENC_IPV6_DST_MASK] = { .len = sizeof(struct in6_addr) },
};
static void fl_set_key_val(struct nlattr **tb,
@@ -409,6 +446,40 @@ static int fl_set_key(struct net *net, struct nlattr **tb,
sizeof(key->tp.dst));
}
+ if (tb[TCA_FLOWER_KEY_ENC_IPV4_SRC] ||
+ tb[TCA_FLOWER_KEY_ENC_IPV4_DST]) {
+ key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
+ fl_set_key_val(tb, &key->enc_ipv4.src,
+ TCA_FLOWER_KEY_ENC_IPV4_SRC,
+ &mask->enc_ipv4.src,
+ TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,
+ sizeof(key->enc_ipv4.src));
+ fl_set_key_val(tb, &key->enc_ipv4.dst,
+ TCA_FLOWER_KEY_ENC_IPV4_DST,
+ &mask->enc_ipv4.dst,
+ TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,
+ sizeof(key->enc_ipv4.dst));
+ }
+
+ if (tb[TCA_FLOWER_KEY_ENC_IPV6_SRC] ||
+ tb[TCA_FLOWER_KEY_ENC_IPV6_DST]) {
+ key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
+ fl_set_key_val(tb, &key->enc_ipv6.src,
+ TCA_FLOWER_KEY_ENC_IPV6_SRC,
+ &mask->enc_ipv6.src,
+ TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,
+ sizeof(key->enc_ipv6.src));
+ fl_set_key_val(tb, &key->enc_ipv6.dst,
+ TCA_FLOWER_KEY_ENC_IPV6_DST,
+ &mask->enc_ipv6.dst,
+ TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,
+ sizeof(key->enc_ipv6.dst));
+ }
+
+ fl_set_key_val(tb, &key->enc_key_id.keyid, TCA_FLOWER_KEY_ENC_KEY_ID,
+ &mask->enc_key_id.keyid, TCA_FLOWER_KEY_ENC_KEY_ID,
+ sizeof(key->enc_key_id.keyid));
+
return 0;
}
@@ -821,6 +892,33 @@ static int fl_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
sizeof(key->tp.dst))))
goto nla_put_failure;
+ if (key->enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS &&
+ (fl_dump_key_val(skb, &key->enc_ipv4.src,
+ TCA_FLOWER_KEY_ENC_IPV4_SRC, &mask->enc_ipv4.src,
+ TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,
+ sizeof(key->enc_ipv4.src)) ||
+ fl_dump_key_val(skb, &key->enc_ipv4.dst,
+ TCA_FLOWER_KEY_ENC_IPV4_DST, &mask->enc_ipv4.dst,
+ TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,
+ sizeof(key->enc_ipv4.dst))))
+ goto nla_put_failure;
+ else if (key->enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS &&
+ (fl_dump_key_val(skb, &key->enc_ipv6.src,
+ TCA_FLOWER_KEY_ENC_IPV6_SRC, &mask->enc_ipv6.src,
+ TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,
+ sizeof(key->enc_ipv6.src)) ||
+ fl_dump_key_val(skb, &key->enc_ipv6.dst,
+ TCA_FLOWER_KEY_ENC_IPV6_DST,
+ &mask->enc_ipv6.dst,
+ TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,
+ sizeof(key->enc_ipv6.dst))))
+ goto nla_put_failure;
+
+ if (fl_dump_key_val(skb, &key->enc_key_id, TCA_FLOWER_KEY_ENC_KEY_ID,
+ &mask->enc_key_id, TCA_FLOWER_KEY_ENC_KEY_ID,
+ sizeof(key->enc_key_id)))
+ goto nla_put_failure;
+
nla_put_u32(skb, TCA_FLOWER_FLAGS, f->flags);
if (tcf_exts_dump(skb, &f->exts))
generated by cgit (git 2.34.1) at 2024-06-21 15:56:55 +0000