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-rw-r--r--net/openvswitch/flow_netlink.c61
1 files changed, 37 insertions, 24 deletions
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index ebc5728aab4e..f224d9bcea5e 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -152,6 +152,13 @@ static void update_range(struct sw_flow_match *match,
sizeof((match)->key->field)); \
} while (0)
+#define SW_FLOW_KEY_BITMAP_COPY(match, field, value_p, nbits, is_mask) ({ \
+ update_range(match, offsetof(struct sw_flow_key, field), \
+ bitmap_size(nbits), is_mask); \
+ bitmap_copy(is_mask ? (match)->mask->key.field : (match)->key->field, \
+ value_p, nbits); \
+})
+
static bool match_validate(const struct sw_flow_match *match,
u64 key_attrs, u64 mask_attrs, bool log)
{
@@ -670,8 +677,8 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
bool log)
{
bool ttl = false, ipv4 = false, ipv6 = false;
+ IP_TUNNEL_DECLARE_FLAGS(tun_flags) = { };
bool info_bridge_mode = false;
- __be16 tun_flags = 0;
int opts_type = 0;
struct nlattr *a;
int rem;
@@ -697,7 +704,7 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
case OVS_TUNNEL_KEY_ATTR_ID:
SW_FLOW_KEY_PUT(match, tun_key.tun_id,
nla_get_be64(a), is_mask);
- tun_flags |= TUNNEL_KEY;
+ __set_bit(IP_TUNNEL_KEY_BIT, tun_flags);
break;
case OVS_TUNNEL_KEY_ATTR_IPV4_SRC:
SW_FLOW_KEY_PUT(match, tun_key.u.ipv4.src,
@@ -729,10 +736,10 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
ttl = true;
break;
case OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT:
- tun_flags |= TUNNEL_DONT_FRAGMENT;
+ __set_bit(IP_TUNNEL_DONT_FRAGMENT_BIT, tun_flags);
break;
case OVS_TUNNEL_KEY_ATTR_CSUM:
- tun_flags |= TUNNEL_CSUM;
+ __set_bit(IP_TUNNEL_CSUM_BIT, tun_flags);
break;
case OVS_TUNNEL_KEY_ATTR_TP_SRC:
SW_FLOW_KEY_PUT(match, tun_key.tp_src,
@@ -743,7 +750,7 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
nla_get_be16(a), is_mask);
break;
case OVS_TUNNEL_KEY_ATTR_OAM:
- tun_flags |= TUNNEL_OAM;
+ __set_bit(IP_TUNNEL_OAM_BIT, tun_flags);
break;
case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS:
if (opts_type) {
@@ -755,7 +762,7 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
if (err)
return err;
- tun_flags |= TUNNEL_GENEVE_OPT;
+ __set_bit(IP_TUNNEL_GENEVE_OPT_BIT, tun_flags);
opts_type = type;
break;
case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS:
@@ -768,7 +775,7 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
if (err)
return err;
- tun_flags |= TUNNEL_VXLAN_OPT;
+ __set_bit(IP_TUNNEL_VXLAN_OPT_BIT, tun_flags);
opts_type = type;
break;
case OVS_TUNNEL_KEY_ATTR_PAD:
@@ -784,7 +791,7 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
if (err)
return err;
- tun_flags |= TUNNEL_ERSPAN_OPT;
+ __set_bit(IP_TUNNEL_ERSPAN_OPT_BIT, tun_flags);
opts_type = type;
break;
case OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE:
@@ -798,7 +805,8 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
}
}
- SW_FLOW_KEY_PUT(match, tun_key.tun_flags, tun_flags, is_mask);
+ SW_FLOW_KEY_BITMAP_COPY(match, tun_key.tun_flags, tun_flags,
+ __IP_TUNNEL_FLAG_NUM, is_mask);
if (is_mask)
SW_FLOW_KEY_MEMSET_FIELD(match, tun_proto, 0xff, true);
else
@@ -823,13 +831,15 @@ static int ip_tun_from_nlattr(const struct nlattr *attr,
}
if (ipv4) {
if (info_bridge_mode) {
+ __clear_bit(IP_TUNNEL_KEY_BIT, tun_flags);
+
if (match->key->tun_key.u.ipv4.src ||
match->key->tun_key.u.ipv4.dst ||
match->key->tun_key.tp_src ||
match->key->tun_key.tp_dst ||
match->key->tun_key.ttl ||
match->key->tun_key.tos ||
- tun_flags & ~TUNNEL_KEY) {
+ !ip_tunnel_flags_empty(tun_flags)) {
OVS_NLERR(log, "IPv4 tun info is not correct");
return -EINVAL;
}
@@ -874,7 +884,7 @@ static int __ip_tun_to_nlattr(struct sk_buff *skb,
const void *tun_opts, int swkey_tun_opts_len,
unsigned short tun_proto, u8 mode)
{
- if (output->tun_flags & TUNNEL_KEY &&
+ if (test_bit(IP_TUNNEL_KEY_BIT, output->tun_flags) &&
nla_put_be64(skb, OVS_TUNNEL_KEY_ATTR_ID, output->tun_id,
OVS_TUNNEL_KEY_ATTR_PAD))
return -EMSGSIZE;
@@ -910,10 +920,10 @@ static int __ip_tun_to_nlattr(struct sk_buff *skb,
return -EMSGSIZE;
if (nla_put_u8(skb, OVS_TUNNEL_KEY_ATTR_TTL, output->ttl))
return -EMSGSIZE;
- if ((output->tun_flags & TUNNEL_DONT_FRAGMENT) &&
+ if (test_bit(IP_TUNNEL_DONT_FRAGMENT_BIT, output->tun_flags) &&
nla_put_flag(skb, OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT))
return -EMSGSIZE;
- if ((output->tun_flags & TUNNEL_CSUM) &&
+ if (test_bit(IP_TUNNEL_CSUM_BIT, output->tun_flags) &&
nla_put_flag(skb, OVS_TUNNEL_KEY_ATTR_CSUM))
return -EMSGSIZE;
if (output->tp_src &&
@@ -922,18 +932,20 @@ static int __ip_tun_to_nlattr(struct sk_buff *skb,
if (output->tp_dst &&
nla_put_be16(skb, OVS_TUNNEL_KEY_ATTR_TP_DST, output->tp_dst))
return -EMSGSIZE;
- if ((output->tun_flags & TUNNEL_OAM) &&
+ if (test_bit(IP_TUNNEL_OAM_BIT, output->tun_flags) &&
nla_put_flag(skb, OVS_TUNNEL_KEY_ATTR_OAM))
return -EMSGSIZE;
if (swkey_tun_opts_len) {
- if (output->tun_flags & TUNNEL_GENEVE_OPT &&
+ if (test_bit(IP_TUNNEL_GENEVE_OPT_BIT, output->tun_flags) &&
nla_put(skb, OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS,
swkey_tun_opts_len, tun_opts))
return -EMSGSIZE;
- else if (output->tun_flags & TUNNEL_VXLAN_OPT &&
+ else if (test_bit(IP_TUNNEL_VXLAN_OPT_BIT,
+ output->tun_flags) &&
vxlan_opt_to_nlattr(skb, tun_opts, swkey_tun_opts_len))
return -EMSGSIZE;
- else if (output->tun_flags & TUNNEL_ERSPAN_OPT &&
+ else if (test_bit(IP_TUNNEL_ERSPAN_OPT_BIT,
+ output->tun_flags) &&
nla_put(skb, OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS,
swkey_tun_opts_len, tun_opts))
return -EMSGSIZE;
@@ -2029,7 +2041,7 @@ static int __ovs_nla_put_key(const struct sw_flow_key *swkey,
if ((swkey->tun_proto || is_mask)) {
const void *opts = NULL;
- if (output->tun_key.tun_flags & TUNNEL_OPTIONS_PRESENT)
+ if (ip_tunnel_is_options_present(output->tun_key.tun_flags))
opts = TUN_METADATA_OPTS(output, swkey->tun_opts_len);
if (ip_tun_to_nlattr(skb, &output->tun_key, opts,
@@ -2752,7 +2764,8 @@ static int validate_geneve_opts(struct sw_flow_key *key)
opts_len -= len;
}
- key->tun_key.tun_flags |= crit_opt ? TUNNEL_CRIT_OPT : 0;
+ if (crit_opt)
+ __set_bit(IP_TUNNEL_CRIT_OPT_BIT, key->tun_key.tun_flags);
return 0;
}
@@ -2760,6 +2773,7 @@ static int validate_geneve_opts(struct sw_flow_key *key)
static int validate_and_copy_set_tun(const struct nlattr *attr,
struct sw_flow_actions **sfa, bool log)
{
+ IP_TUNNEL_DECLARE_FLAGS(dst_opt_type) = { };
struct sw_flow_match match;
struct sw_flow_key key;
struct metadata_dst *tun_dst;
@@ -2767,9 +2781,7 @@ static int validate_and_copy_set_tun(const struct nlattr *attr,
struct ovs_tunnel_info *ovs_tun;
struct nlattr *a;
int err = 0, start, opts_type;
- __be16 dst_opt_type;
- dst_opt_type = 0;
ovs_match_init(&match, &key, true, NULL);
opts_type = ip_tun_from_nlattr(nla_data(attr), &match, false, log);
if (opts_type < 0)
@@ -2781,13 +2793,14 @@ static int validate_and_copy_set_tun(const struct nlattr *attr,
err = validate_geneve_opts(&key);
if (err < 0)
return err;
- dst_opt_type = TUNNEL_GENEVE_OPT;
+
+ __set_bit(IP_TUNNEL_GENEVE_OPT_BIT, dst_opt_type);
break;
case OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS:
- dst_opt_type = TUNNEL_VXLAN_OPT;
+ __set_bit(IP_TUNNEL_VXLAN_OPT_BIT, dst_opt_type);
break;
case OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS:
- dst_opt_type = TUNNEL_ERSPAN_OPT;
+ __set_bit(IP_TUNNEL_ERSPAN_OPT_BIT, dst_opt_type);
break;
}
}
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