#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include "flow.h"
-#include "datapath.h"
-#include "mpls.h"
#include <linux/uaccess.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/rculist.h>
#include <net/geneve.h>
#include <net/ip.h>
-#include <net/ip_tunnels.h>
#include <net/ipv6.h>
#include <net/ndisc.h>
+#include <net/mpls.h>
+#include "datapath.h"
+#include "flow.h"
#include "flow_netlink.h"
static void update_range(struct sw_flow_match *match,
} while (0)
static bool match_validate(const struct sw_flow_match *match,
- u64 key_attrs, u64 mask_attrs)
+ u64 key_attrs, u64 mask_attrs, bool log)
{
u64 key_expected = 1ULL << OVS_KEY_ATTR_ETHERNET;
u64 mask_allowed = key_attrs; /* At most allow all key attributes */
/* The following mask attributes allowed only if they
- * pass the validation tests. */
+ * pass the validation tests.
+ */
mask_allowed &= ~((1ULL << OVS_KEY_ATTR_IPV4)
| (1ULL << OVS_KEY_ATTR_IPV6)
| (1ULL << OVS_KEY_ATTR_TCP)
if ((key_attrs & key_expected) != key_expected) {
/* Key attributes check failed. */
- OVS_NLERR("Missing expected key attributes (key_attrs=%llx, expected=%llx).\n",
- (unsigned long long)key_attrs, (unsigned long long)key_expected);
+ OVS_NLERR(log,
+ "Missing expected key attributes (key_attrs=%llx, expected=%llx).",
+ (unsigned long long)key_attrs,
+ (unsigned long long)key_expected);
return false;
}
if ((mask_attrs & mask_allowed) != mask_attrs) {
/* Mask attributes check failed. */
- OVS_NLERR("Contain more than allowed mask fields (mask_attrs=%llx, mask_allowed=%llx).\n",
- (unsigned long long)mask_attrs, (unsigned long long)mask_allowed);
+ OVS_NLERR(log,
+ "Contain more than allowed mask fields (mask_attrs=%llx, mask_allowed=%llx).",
+ (unsigned long long)mask_attrs,
+ (unsigned long long)mask_allowed);
return false;
}
size_t ovs_tun_key_attr_size(void)
{
/* Whenever adding new OVS_TUNNEL_KEY_ FIELDS, we should consider
- * updating this function. */
+ * updating this function.
+ */
return nla_total_size(8) /* OVS_TUNNEL_KEY_ATTR_ID */
+ nla_total_size(4) /* OVS_TUNNEL_KEY_ATTR_IPV4_SRC */
+ nla_total_size(4) /* OVS_TUNNEL_KEY_ATTR_IPV4_DST */
size_t ovs_key_attr_size(void)
{
/* Whenever adding new OVS_KEY_ FIELDS, we should consider
- * updating this function. */
+ * updating this function.
+ */
BUILD_BUG_ON(OVS_KEY_ATTR_TUNNEL_INFO != 22);
return nla_total_size(4) /* OVS_KEY_ATTR_PRIORITY */
static int __parse_flow_nlattrs(const struct nlattr *attr,
const struct nlattr *a[],
- u64 *attrsp, bool nz)
+ u64 *attrsp, bool log, bool nz)
{
const struct nlattr *nla;
u64 attrs;
int expected_len;
if (type > OVS_KEY_ATTR_MAX) {
- OVS_NLERR("Unknown key attribute (type=%d, max=%d).\n",
+ OVS_NLERR(log,
+ "Unknown key attribute (type=%d, max=%d).",
type, OVS_KEY_ATTR_MAX);
return -EINVAL;
}
if (attrs & (1ULL << type)) {
- OVS_NLERR("Duplicate key attribute (type %d).\n", type);
+ OVS_NLERR(log, "Duplicate key attribute (type %d).",
+ type);
return -EINVAL;
}
expected_len = ovs_key_lens[type];
if (nla_len(nla) != expected_len && expected_len != -1) {
- OVS_NLERR("Key attribute has unexpected length (type=%d"
- ", length=%d, expected=%d).\n", type,
+ OVS_NLERR(log, "Key attribute has unexpected length "
+ "(type=%d, length=%d, expected=%d).", type,
nla_len(nla), expected_len);
return -EINVAL;
}
}
}
if (rem) {
- OVS_NLERR("Message has %d unknown bytes.\n", rem);
+ OVS_NLERR(log, "Message has %d unknown bytes.", rem);
return -EINVAL;
}
}
static int parse_flow_mask_nlattrs(const struct nlattr *attr,
- const struct nlattr *a[], u64 *attrsp)
+ const struct nlattr *a[], u64 *attrsp,
+ bool log)
{
- return __parse_flow_nlattrs(attr, a, attrsp, true);
+ return __parse_flow_nlattrs(attr, a, attrsp, log, true);
}
static int parse_flow_nlattrs(const struct nlattr *attr,
- const struct nlattr *a[], u64 *attrsp)
+ const struct nlattr *a[], u64 *attrsp,
+ bool log)
{
- return __parse_flow_nlattrs(attr, a, attrsp, false);
+ return __parse_flow_nlattrs(attr, a, attrsp, log, false);
}
static int ipv4_tun_from_nlattr(const struct nlattr *attr,
- struct sw_flow_match *match, bool is_mask)
+ struct sw_flow_match *match, bool is_mask,
+ bool log)
{
struct nlattr *a;
int rem;
};
if (type > OVS_TUNNEL_KEY_ATTR_MAX) {
- OVS_NLERR("Unknown IPv4 tunnel attribute (type=%d, max=%d).\n",
- type, OVS_TUNNEL_KEY_ATTR_MAX);
+ OVS_NLERR(log,
+ "Unknown tunnel attribute (type=%d, max=%d).",
+ type, OVS_TUNNEL_KEY_ATTR_MAX);
return -EINVAL;
}
if (ovs_tunnel_key_lens[type] != nla_len(a) &&
ovs_tunnel_key_lens[type] != -1) {
- OVS_NLERR("IPv4 tunnel attribute type has unexpected "
- " length (type=%d, length=%d, expected=%d).\n",
- type, nla_len(a), ovs_tunnel_key_lens[type]);
+ OVS_NLERR(log,
+ "Tunnel attribute has unexpected length "
+ "(type=%d, length=%d, expected=%d).",
+ type, nla_len(a),
+ ovs_tunnel_key_lens[type]);
return -EINVAL;
}
case OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS:
tun_flags |= TUNNEL_OPTIONS_PRESENT;
if (nla_len(a) > sizeof(match->key->tun_opts)) {
- OVS_NLERR("Geneve option length exceeds "
- "maximum size (len %d, max %zu).\n",
+ OVS_NLERR(log, "Geneve option too long "
+ "(len %d, max %zu).",
nla_len(a),
sizeof(match->key->tun_opts));
return -EINVAL;
}
if (nla_len(a) % 4 != 0) {
- OVS_NLERR("Geneve option length is not "
- "a multiple of 4 (len %d).\n",
+ OVS_NLERR(log, "Geneve option length is not "
+ "a multiple of 4 (len %d).",
nla_len(a));
return -EINVAL;
}
* information later.
*/
if (match->key->tun_opts_len != nla_len(a)) {
- OVS_NLERR("Geneve option key length (%d)"
- " is different from mask length (%d).",
- match->key->tun_opts_len, nla_len(a));
+ OVS_NLERR(log,
+ "Geneve option key length (%d)"
+ " is different from mask length (%d).",
+ match->key->tun_opts_len,
+ nla_len(a));
return -EINVAL;
}
nla_data(a), nla_len(a), is_mask);
break;
default:
- OVS_NLERR("Unknown IPv4 tunnel attribute (%d).\n", type);
+ OVS_NLERR(log, "Unknown IPv4 tunnel attribute (%d).",
+ type);
return -EINVAL;
}
}
SW_FLOW_KEY_PUT(match, tun_key.tun_flags, tun_flags, is_mask);
if (rem > 0) {
- OVS_NLERR("IPv4 tunnel attribute has %d unknown bytes.\n", rem);
+ OVS_NLERR(log, "IPv4 tunnel attribute has %d unknown bytes.",
+ rem);
return -EINVAL;
}
if (!is_mask) {
if (!match->key->tun_key.ipv4_dst) {
- OVS_NLERR("IPv4 tunnel destination address is zero.\n");
+ OVS_NLERR(log,
+ "IPv4 tunnel destination address is zero.");
return -EINVAL;
}
if (!ttl) {
- OVS_NLERR("IPv4 tunnel TTL not specified.\n");
+ OVS_NLERR(log, "IPv4 tunnel TTL not specified.");
return -EINVAL;
}
}
}
static int metadata_from_nlattrs(struct sw_flow_match *match, u64 *attrs,
- const struct nlattr **a, bool is_mask)
+ const struct nlattr **a, bool is_mask,
+ bool log)
{
if (*attrs & (1ULL << OVS_KEY_ATTR_DP_HASH)) {
u32 hash_val = nla_get_u32(a[OVS_KEY_ATTR_DP_HASH]);
if (is_mask) {
in_port = 0xffffffff; /* Always exact match in_port. */
} else if (in_port >= DP_MAX_PORTS) {
- OVS_NLERR("Input port (%d) exceeds maximum allowable (%d).\n",
+ OVS_NLERR(log,
+ "Input port (%d) exceeds maximum allowable (%d).",
in_port, DP_MAX_PORTS);
return -EINVAL;
}
}
if (*attrs & (1ULL << OVS_KEY_ATTR_TUNNEL)) {
if (ipv4_tun_from_nlattr(a[OVS_KEY_ATTR_TUNNEL], match,
- is_mask))
+ is_mask, log))
return -EINVAL;
*attrs &= ~(1ULL << OVS_KEY_ATTR_TUNNEL);
}
}
static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
- const struct nlattr **a, bool is_mask)
+ const struct nlattr **a, bool is_mask,
+ bool log)
{
int err;
- err = metadata_from_nlattrs(match, &attrs, a, is_mask);
+ err = metadata_from_nlattrs(match, &attrs, a, is_mask, log);
if (err)
return err;
tci = nla_get_be16(a[OVS_KEY_ATTR_VLAN]);
if (!(tci & htons(VLAN_TAG_PRESENT))) {
if (is_mask)
- OVS_NLERR("VLAN TCI mask does not have exact match for VLAN_TAG_PRESENT bit.\n");
+ OVS_NLERR(log,
+ "VLAN TCI mask does not have exact match for VLAN_TAG_PRESENT bit.");
else
- OVS_NLERR("VLAN TCI does not have VLAN_TAG_PRESENT bit set.\n");
+ OVS_NLERR(log,
+ "VLAN TCI does not have VLAN_TAG_PRESENT bit set.");
return -EINVAL;
}
/* Always exact match EtherType. */
eth_type = htons(0xffff);
} else if (ntohs(eth_type) < ETH_P_802_3_MIN) {
- OVS_NLERR("EtherType is less than minimum (type=%x, min=%x).\n",
- ntohs(eth_type), ETH_P_802_3_MIN);
+ OVS_NLERR(log,
+ "EtherType is less than minimum (type=%x, min=%x).",
+ ntohs(eth_type), ETH_P_802_3_MIN);
return -EINVAL;
}
ipv4_key = nla_data(a[OVS_KEY_ATTR_IPV4]);
if (!is_mask && ipv4_key->ipv4_frag > OVS_FRAG_TYPE_MAX) {
- OVS_NLERR("Unknown IPv4 fragment type (value=%d, max=%d).\n",
- ipv4_key->ipv4_frag, OVS_FRAG_TYPE_MAX);
+ OVS_NLERR(log,
+ "Unknown IPv4 fragment type (value=%d, max=%d).",
+ ipv4_key->ipv4_frag, OVS_FRAG_TYPE_MAX);
return -EINVAL;
}
SW_FLOW_KEY_PUT(match, ip.proto,
ipv6_key = nla_data(a[OVS_KEY_ATTR_IPV6]);
if (!is_mask && ipv6_key->ipv6_frag > OVS_FRAG_TYPE_MAX) {
- OVS_NLERR("Unknown IPv6 fragment type (value=%d, max=%d).\n",
- ipv6_key->ipv6_frag, OVS_FRAG_TYPE_MAX);
+ OVS_NLERR(log,
+ "Unknown IPv6 fragment type (value=%d, max=%d).",
+ ipv6_key->ipv6_frag, OVS_FRAG_TYPE_MAX);
return -EINVAL;
}
if (ipv6_key->ipv6_label & htonl(0xFFF00000)) {
- OVS_NLERR("Invalid IPv6 flow label value (value=%x, max=%x).\n",
+ OVS_NLERR(log,
+ "Invalid IPv6 flow label value (value=%x, max=%x).",
ntohl(ipv6_key->ipv6_label), (1 << 20) - 1);
return -EINVAL;
}
arp_key = nla_data(a[OVS_KEY_ATTR_ARP]);
if (!is_mask && (arp_key->arp_op & htons(0xff00))) {
- OVS_NLERR("Unknown ARP opcode (opcode=%d).\n",
+ OVS_NLERR(log, "Unknown ARP opcode (opcode=%d).",
arp_key->arp_op);
return -EINVAL;
}
}
if (attrs != 0) {
- OVS_NLERR("Unknown key attributes (%llx).\n",
+ OVS_NLERR(log, "Unknown key attributes (%llx).",
(unsigned long long)attrs);
return -EINVAL;
}
* of this flow.
* @mask: Optional. Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink
* attribute specifies the mask field of the wildcarded flow.
+ * @log: Boolean to allow kernel error logging. Normally true, but when
+ * probing for feature compatibility this should be passed in as false to
+ * suppress unnecessary error logging.
*/
int ovs_nla_get_match(struct sw_flow_match *match,
const struct nlattr *nla_key,
- const struct nlattr *nla_mask)
+ const struct nlattr *nla_mask,
+ bool log)
{
const struct nlattr *a[OVS_KEY_ATTR_MAX + 1];
const struct nlattr *encap;
bool encap_valid = false;
int err;
- err = parse_flow_nlattrs(nla_key, a, &key_attrs);
+ err = parse_flow_nlattrs(nla_key, a, &key_attrs, log);
if (err)
return err;
if (!((key_attrs & (1ULL << OVS_KEY_ATTR_VLAN)) &&
(key_attrs & (1ULL << OVS_KEY_ATTR_ENCAP)))) {
- OVS_NLERR("Invalid Vlan frame.\n");
+ OVS_NLERR(log, "Invalid Vlan frame.");
return -EINVAL;
}
encap_valid = true;
if (tci & htons(VLAN_TAG_PRESENT)) {
- err = parse_flow_nlattrs(encap, a, &key_attrs);
+ err = parse_flow_nlattrs(encap, a, &key_attrs, log);
if (err)
return err;
} else if (!tci) {
/* Corner case for truncated 802.1Q header. */
if (nla_len(encap)) {
- OVS_NLERR("Truncated 802.1Q header has non-zero encap attribute.\n");
+ OVS_NLERR(log,
+ "Truncated 802.1Q header has non-zero encap attribute.");
return -EINVAL;
}
} else {
- OVS_NLERR("Encap attribute is set for a non-VLAN frame.\n");
+ OVS_NLERR(log,
+ "Encap attribute is set for a non-VLAN frame.");
return -EINVAL;
}
}
- err = ovs_key_from_nlattrs(match, key_attrs, a, false);
+ err = ovs_key_from_nlattrs(match, key_attrs, a, false, log);
if (err)
return err;
nla_mask = newmask;
}
- err = parse_flow_mask_nlattrs(nla_mask, a, &mask_attrs);
+ err = parse_flow_mask_nlattrs(nla_mask, a, &mask_attrs, log);
if (err)
goto free_newmask;
__be16 tci = 0;
if (!encap_valid) {
- OVS_NLERR("Encap mask attribute is set for non-VLAN frame.\n");
+ OVS_NLERR(log,
+ "Encap mask attribute is set for non-VLAN frame.");
err = -EINVAL;
goto free_newmask;
}
if (eth_type == htons(0xffff)) {
mask_attrs &= ~(1ULL << OVS_KEY_ATTR_ETHERTYPE);
encap = a[OVS_KEY_ATTR_ENCAP];
- err = parse_flow_mask_nlattrs(encap, a, &mask_attrs);
+ err = parse_flow_mask_nlattrs(encap, a,
+ &mask_attrs, log);
if (err)
goto free_newmask;
} else {
- OVS_NLERR("VLAN frames must have an exact match on the TPID (mask=%x).\n",
- ntohs(eth_type));
+ OVS_NLERR(log,
+ "VLAN frames must have an exact match on the TPID (mask=%x).",
+ ntohs(eth_type));
err = -EINVAL;
goto free_newmask;
}
tci = nla_get_be16(a[OVS_KEY_ATTR_VLAN]);
if (!(tci & htons(VLAN_TAG_PRESENT))) {
- OVS_NLERR("VLAN tag present bit must have an exact match (tci_mask=%x).\n", ntohs(tci));
+ OVS_NLERR(log,
+ "VLAN tag present bit must have an exact match (tci_mask=%x).",
+ ntohs(tci));
err = -EINVAL;
goto free_newmask;
}
}
- err = ovs_key_from_nlattrs(match, mask_attrs, a, true);
+ err = ovs_key_from_nlattrs(match, mask_attrs, a, true, log);
if (err)
goto free_newmask;
}
- if (!match_validate(match, key_attrs, mask_attrs))
+ if (!match_validate(match, key_attrs, mask_attrs, log))
err = -EINVAL;
free_newmask:
* @key: Receives extracted in_port, priority, tun_key and skb_mark.
* @attr: Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink attribute
* sequence.
+ * @log: Boolean to allow kernel error logging. Normally true, but when
+ * probing for feature compatibility this should be passed in as false to
+ * suppress unnecessary error logging.
*
* This parses a series of Netlink attributes that form a flow key, which must
* take the same form accepted by flow_from_nlattrs(), but only enough of it to
* extracted from the packet itself.
*/
int ovs_nla_get_flow_metadata(const struct nlattr *attr,
- struct sw_flow_key *key)
+ struct sw_flow_key *key,
+ bool log)
{
const struct nlattr *a[OVS_KEY_ATTR_MAX + 1];
struct sw_flow_match match;
u64 attrs = 0;
int err;
- err = parse_flow_nlattrs(attr, a, &attrs);
+ err = parse_flow_nlattrs(attr, a, &attrs, log);
if (err)
return -EINVAL;
memset(key, 0, OVS_SW_FLOW_KEY_METADATA_SIZE);
key->phy.in_port = DP_MAX_PORTS;
- return metadata_from_nlattrs(&match, &attrs, a, false);
+ return metadata_from_nlattrs(&match, &attrs, a, false, log);
}
int ovs_nla_put_flow(const struct sw_flow_key *swkey,
#define MAX_ACTIONS_BUFSIZE (32 * 1024)
-static struct sw_flow_actions *nla_alloc_flow_actions(int size)
+static struct sw_flow_actions *nla_alloc_flow_actions(int size, bool log)
{
struct sw_flow_actions *sfa;
if (size > MAX_ACTIONS_BUFSIZE) {
- OVS_NLERR("Flow action size (%u bytes) exceeds maximum "
- "(%u bytes)\n", size, MAX_ACTIONS_BUFSIZE);
+ OVS_NLERR(log, "Flow action size (%u bytes) exceeds maximum "
+ "(%u bytes)", size, MAX_ACTIONS_BUFSIZE);
return ERR_PTR(-EINVAL);
}
}
/* Schedules 'sf_acts' to be freed after the next RCU grace period.
- * The caller must hold rcu_read_lock for this to be sensible. */
+ * The caller must hold rcu_read_lock for this to be sensible.
+ */
void ovs_nla_free_flow_actions(struct sw_flow_actions *sf_acts)
{
call_rcu(&sf_acts->rcu, rcu_free_acts_callback);
}
static struct nlattr *reserve_sfa_size(struct sw_flow_actions **sfa,
- int attr_len)
+ int attr_len, bool log)
{
struct sw_flow_actions *acts;
new_acts_size = MAX_ACTIONS_BUFSIZE;
}
- acts = nla_alloc_flow_actions(new_acts_size);
+ acts = nla_alloc_flow_actions(new_acts_size, log);
if (IS_ERR(acts))
return (void *)acts;
}
static struct nlattr *__add_action(struct sw_flow_actions **sfa, int attrtype,
- void *data, int len)
+ void *data, int len, bool log)
{
struct nlattr *a;
- a = reserve_sfa_size(sfa, nla_attr_size(len));
+ a = reserve_sfa_size(sfa, nla_attr_size(len), log);
if (IS_ERR(a))
return a;
}
static int add_action(struct sw_flow_actions **sfa, int attrtype,
- void *data, int len)
+ void *data, int len, bool log)
{
struct nlattr *a;
- a = __add_action(sfa, attrtype, data, len);
+ a = __add_action(sfa, attrtype, data, len, log);
if (IS_ERR(a))
return PTR_ERR(a);
}
static inline int add_nested_action_start(struct sw_flow_actions **sfa,
- int attrtype)
+ int attrtype, bool log)
{
int used = (*sfa)->actions_len;
int err;
- err = add_action(sfa, attrtype, NULL, 0);
+ err = add_action(sfa, attrtype, NULL, 0, log);
if (err)
return err;
static int __ovs_nla_copy_actions(const struct nlattr *attr,
const struct sw_flow_key *key,
int depth, struct sw_flow_actions **sfa,
- __be16 eth_type, __be16 vlan_tci);
+ __be16 eth_type, __be16 vlan_tci, bool log);
static int validate_and_copy_sample(const struct nlattr *attr,
const struct sw_flow_key *key, int depth,
struct sw_flow_actions **sfa,
- __be16 eth_type, __be16 vlan_tci)
+ __be16 eth_type, __be16 vlan_tci, bool log)
{
const struct nlattr *attrs[OVS_SAMPLE_ATTR_MAX + 1];
const struct nlattr *probability, *actions;
return -EINVAL;
/* validation done, copy sample action. */
- start = add_nested_action_start(sfa, OVS_ACTION_ATTR_SAMPLE);
+ start = add_nested_action_start(sfa, OVS_ACTION_ATTR_SAMPLE, log);
if (start < 0)
return start;
err = add_action(sfa, OVS_SAMPLE_ATTR_PROBABILITY,
- nla_data(probability), sizeof(u32));
+ nla_data(probability), sizeof(u32), log);
if (err)
return err;
- st_acts = add_nested_action_start(sfa, OVS_SAMPLE_ATTR_ACTIONS);
+ st_acts = add_nested_action_start(sfa, OVS_SAMPLE_ATTR_ACTIONS, log);
if (st_acts < 0)
return st_acts;
err = __ovs_nla_copy_actions(actions, key, depth + 1, sfa,
- eth_type, vlan_tci);
+ eth_type, vlan_tci, log);
if (err)
return err;
}
static int validate_and_copy_set_tun(const struct nlattr *attr,
- struct sw_flow_actions **sfa)
+ struct sw_flow_actions **sfa, bool log)
{
struct sw_flow_match match;
struct sw_flow_key key;
int err, start;
ovs_match_init(&match, &key, NULL);
- err = ipv4_tun_from_nlattr(nla_data(attr), &match, false);
+ err = ipv4_tun_from_nlattr(nla_data(attr), &match, false, log);
if (err)
return err;
key.tun_key.tun_flags |= crit_opt ? TUNNEL_CRIT_OPT : 0;
};
- start = add_nested_action_start(sfa, OVS_ACTION_ATTR_SET);
+ start = add_nested_action_start(sfa, OVS_ACTION_ATTR_SET, log);
if (start < 0)
return start;
a = __add_action(sfa, OVS_KEY_ATTR_TUNNEL_INFO, NULL,
- sizeof(*tun_info) + key.tun_opts_len);
+ sizeof(*tun_info) + key.tun_opts_len, log);
if (IS_ERR(a))
return PTR_ERR(a);
* everything else will go away after flow setup. We can append
* it to tun_info and then point there.
*/
- tun_info->options = (struct geneve_opt *)(tun_info + 1);
- memcpy(tun_info->options, GENEVE_OPTS(&key, key.tun_opts_len),
+ memcpy((tun_info + 1), GENEVE_OPTS(&key, key.tun_opts_len),
key.tun_opts_len);
+ tun_info->options = (struct geneve_opt *)(tun_info + 1);
} else {
tun_info->options = NULL;
}
static int validate_set(const struct nlattr *a,
const struct sw_flow_key *flow_key,
struct sw_flow_actions **sfa,
- bool *set_tun, __be16 eth_type)
+ bool *set_tun, __be16 eth_type, bool log)
{
const struct nlattr *ovs_key = nla_data(a);
int key_type = nla_type(ovs_key);
break;
case OVS_KEY_ATTR_TUNNEL:
+ if (eth_p_mpls(eth_type))
+ return -EINVAL;
+
*set_tun = true;
- err = validate_and_copy_set_tun(a, sfa);
+ err = validate_and_copy_set_tun(a, sfa, log);
if (err)
return err;
break;
}
static int copy_action(const struct nlattr *from,
- struct sw_flow_actions **sfa)
+ struct sw_flow_actions **sfa, bool log)
{
int totlen = NLA_ALIGN(from->nla_len);
struct nlattr *to;
- to = reserve_sfa_size(sfa, from->nla_len);
+ to = reserve_sfa_size(sfa, from->nla_len, log);
if (IS_ERR(to))
return PTR_ERR(to);
static int __ovs_nla_copy_actions(const struct nlattr *attr,
const struct sw_flow_key *key,
int depth, struct sw_flow_actions **sfa,
- __be16 eth_type, __be16 vlan_tci)
+ __be16 eth_type, __be16 vlan_tci, bool log)
{
const struct nlattr *a;
+ bool out_tnl_port = false;
int rem, err;
if (depth >= SAMPLE_ACTION_DEPTH)
case OVS_ACTION_ATTR_OUTPUT:
if (nla_get_u32(a) >= DP_MAX_PORTS)
return -EINVAL;
+ out_tnl_port = false;
break;
case OVS_ACTION_ATTR_HASH: {
case OVS_ACTION_ATTR_PUSH_MPLS: {
const struct ovs_action_push_mpls *mpls = nla_data(a);
+ /* Networking stack do not allow simultaneous Tunnel
+ * and MPLS GSO.
+ */
+ if (out_tnl_port)
+ return -EINVAL;
+
if (!eth_p_mpls(mpls->mpls_ethertype))
return -EINVAL;
/* Prohibit push MPLS other than to a white list
break;
case OVS_ACTION_ATTR_SET:
- err = validate_set(a, key, sfa, &skip_copy, eth_type);
+ err = validate_set(a, key, sfa,
+ &out_tnl_port, eth_type, log);
if (err)
return err;
+ skip_copy = out_tnl_port;
break;
case OVS_ACTION_ATTR_SAMPLE:
err = validate_and_copy_sample(a, key, depth, sfa,
- eth_type, vlan_tci);
+ eth_type, vlan_tci, log);
if (err)
return err;
skip_copy = true;
return -EINVAL;
}
if (!skip_copy) {
- err = copy_action(a, sfa);
+ err = copy_action(a, sfa, log);
if (err)
return err;
}
int ovs_nla_copy_actions(const struct nlattr *attr,
const struct sw_flow_key *key,
- struct sw_flow_actions **sfa)
+ struct sw_flow_actions **sfa, bool log)
{
int err;
- *sfa = nla_alloc_flow_actions(nla_len(attr));
+ *sfa = nla_alloc_flow_actions(nla_len(attr), log);
if (IS_ERR(*sfa))
return PTR_ERR(*sfa);
err = __ovs_nla_copy_actions(attr, key, 0, sfa, key->eth.type,
- key->eth.tci);
+ key->eth.tci, log);
if (err)
kfree(*sfa);
projects / cascardo / ovs.git / blobdiff