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-rw-r--r--include/linux/audit.h7
-rw-r--r--include/linux/netfilter/ipset/ip_set_ahash.h108
-rw-r--r--include/linux/netfilter/nfnetlink.h3
-rw-r--r--include/linux/netfilter/nfnetlink_queue.h1
4 files changed, 83 insertions, 36 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 9d339eb27881..0c8006129fb2 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -613,6 +613,12 @@ extern void audit_log_d_path(struct audit_buffer *ab,
extern void audit_log_key(struct audit_buffer *ab,
char *key);
extern void audit_log_lost(const char *message);
+#ifdef CONFIG_SECURITY
+extern void audit_log_secctx(struct audit_buffer *ab, u32 secid);
+#else
+#define audit_log_secctx(b,s) do { ; } while (0)
+#endif
+
extern int audit_update_lsm_rules(void);
/* Private API (for audit.c only) */
@@ -635,6 +641,7 @@ extern int audit_enabled;
#define audit_log_untrustedstring(a,s) do { ; } while (0)
#define audit_log_d_path(b, p, d) do { ; } while (0)
#define audit_log_key(b, k) do { ; } while (0)
+#define audit_log_secctx(b,s) do { ; } while (0)
#define audit_enabled 0
#endif
#endif
diff --git a/include/linux/netfilter/ipset/ip_set_ahash.h b/include/linux/netfilter/ipset/ip_set_ahash.h
index c5b06aaa205c..b89fb79cb44f 100644
--- a/include/linux/netfilter/ipset/ip_set_ahash.h
+++ b/include/linux/netfilter/ipset/ip_set_ahash.h
@@ -28,7 +28,32 @@
/* Number of elements to store in an initial array block */
#define AHASH_INIT_SIZE 4
/* Max number of elements to store in an array block */
-#define AHASH_MAX_SIZE (3*4)
+#define AHASH_MAX_SIZE (3*AHASH_INIT_SIZE)
+
+/* Max number of elements can be tuned */
+#ifdef IP_SET_HASH_WITH_MULTI
+#define AHASH_MAX(h) ((h)->ahash_max)
+
+static inline u8
+tune_ahash_max(u8 curr, u32 multi)
+{
+ u32 n;
+
+ if (multi < curr)
+ return curr;
+
+ n = curr + AHASH_INIT_SIZE;
+ /* Currently, at listing one hash bucket must fit into a message.
+ * Therefore we have a hard limit here.
+ */
+ return n > curr && n <= 64 ? n : curr;
+}
+#define TUNE_AHASH_MAX(h, multi) \
+ ((h)->ahash_max = tune_ahash_max((h)->ahash_max, multi))
+#else
+#define AHASH_MAX(h) AHASH_MAX_SIZE
+#define TUNE_AHASH_MAX(h, multi)
+#endif
/* A hash bucket */
struct hbucket {
@@ -60,6 +85,9 @@ struct ip_set_hash {
u32 timeout; /* timeout value, if enabled */
struct timer_list gc; /* garbage collection when timeout enabled */
struct type_pf_next next; /* temporary storage for uadd */
+#ifdef IP_SET_HASH_WITH_MULTI
+ u8 ahash_max; /* max elements in an array block */
+#endif
#ifdef IP_SET_HASH_WITH_NETMASK
u8 netmask; /* netmask value for subnets to store */
#endif
@@ -211,12 +239,16 @@ ip_set_hash_destroy(struct ip_set *set)
set->data = NULL;
}
-#define HKEY(data, initval, htable_bits) \
-(jhash2((u32 *)(data), sizeof(struct type_pf_elem)/sizeof(u32), initval) \
- & jhash_mask(htable_bits))
-
#endif /* _IP_SET_AHASH_H */
+#ifndef HKEY_DATALEN
+#define HKEY_DATALEN sizeof(struct type_pf_elem)
+#endif
+
+#define HKEY(data, initval, htable_bits) \
+(jhash2((u32 *)(data), HKEY_DATALEN/sizeof(u32), initval) \
+ & jhash_mask(htable_bits))
+
#define CONCAT(a, b, c) a##b##c
#define TOKEN(a, b, c) CONCAT(a, b, c)
@@ -275,12 +307,13 @@ ip_set_hash_destroy(struct ip_set *set)
/* Add an element to the hash table when resizing the set:
* we spare the maintenance of the internal counters. */
static int
-type_pf_elem_add(struct hbucket *n, const struct type_pf_elem *value)
+type_pf_elem_add(struct hbucket *n, const struct type_pf_elem *value,
+ u8 ahash_max)
{
if (n->pos >= n->size) {
void *tmp;
- if (n->size >= AHASH_MAX_SIZE)
+ if (n->size >= ahash_max)
/* Trigger rehashing */
return -EAGAIN;
@@ -335,7 +368,7 @@ retry:
for (j = 0; j < n->pos; j++) {
data = ahash_data(n, j);
m = hbucket(t, HKEY(data, h->initval, htable_bits));
- ret = type_pf_elem_add(m, data);
+ ret = type_pf_elem_add(m, data, AHASH_MAX(h));
if (ret < 0) {
read_unlock_bh(&set->lock);
ahash_destroy(t);
@@ -359,7 +392,7 @@ retry:
return 0;
}
-static void
+static inline void
type_pf_data_next(struct ip_set_hash *h, const struct type_pf_elem *d);
/* Add an element to a hash and update the internal counters when succeeded,
@@ -372,7 +405,7 @@ type_pf_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
const struct type_pf_elem *d = value;
struct hbucket *n;
int i, ret = 0;
- u32 key;
+ u32 key, multi = 0;
if (h->elements >= h->maxelem)
return -IPSET_ERR_HASH_FULL;
@@ -382,12 +415,12 @@ type_pf_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
key = HKEY(value, h->initval, t->htable_bits);
n = hbucket(t, key);
for (i = 0; i < n->pos; i++)
- if (type_pf_data_equal(ahash_data(n, i), d)) {
+ if (type_pf_data_equal(ahash_data(n, i), d, &multi)) {
ret = -IPSET_ERR_EXIST;
goto out;
}
-
- ret = type_pf_elem_add(n, value);
+ TUNE_AHASH_MAX(h, multi);
+ ret = type_pf_elem_add(n, value, AHASH_MAX(h));
if (ret != 0) {
if (ret == -EAGAIN)
type_pf_data_next(h, d);
@@ -415,13 +448,13 @@ type_pf_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
struct hbucket *n;
int i;
struct type_pf_elem *data;
- u32 key;
+ u32 key, multi = 0;
key = HKEY(value, h->initval, t->htable_bits);
n = hbucket(t, key);
for (i = 0; i < n->pos; i++) {
data = ahash_data(n, i);
- if (!type_pf_data_equal(data, d))
+ if (!type_pf_data_equal(data, d, &multi))
continue;
if (i != n->pos - 1)
/* Not last one */
@@ -462,17 +495,17 @@ type_pf_test_cidrs(struct ip_set *set, struct type_pf_elem *d, u32 timeout)
struct hbucket *n;
const struct type_pf_elem *data;
int i, j = 0;
- u32 key;
+ u32 key, multi = 0;
u8 host_mask = SET_HOST_MASK(set->family);
pr_debug("test by nets\n");
- for (; j < host_mask && h->nets[j].cidr; j++) {
+ for (; j < host_mask && h->nets[j].cidr && !multi; j++) {
type_pf_data_netmask(d, h->nets[j].cidr);
key = HKEY(d, h->initval, t->htable_bits);
n = hbucket(t, key);
for (i = 0; i < n->pos; i++) {
data = ahash_data(n, i);
- if (type_pf_data_equal(data, d))
+ if (type_pf_data_equal(data, d, &multi))
return 1;
}
}
@@ -490,7 +523,7 @@ type_pf_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
struct hbucket *n;
const struct type_pf_elem *data;
int i;
- u32 key;
+ u32 key, multi = 0;
#ifdef IP_SET_HASH_WITH_NETS
/* If we test an IP address and not a network address,
@@ -503,7 +536,7 @@ type_pf_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
n = hbucket(t, key);
for (i = 0; i < n->pos; i++) {
data = ahash_data(n, i);
- if (type_pf_data_equal(data, d))
+ if (type_pf_data_equal(data, d, &multi))
return 1;
}
return 0;
@@ -660,14 +693,14 @@ type_pf_data_timeout_set(struct type_pf_elem *data, u32 timeout)
static int
type_pf_elem_tadd(struct hbucket *n, const struct type_pf_elem *value,
- u32 timeout)
+ u8 ahash_max, u32 timeout)
{
struct type_pf_elem *data;
if (n->pos >= n->size) {
void *tmp;
- if (n->size >= AHASH_MAX_SIZE)
+ if (n->size >= ahash_max)
/* Trigger rehashing */
return -EAGAIN;
@@ -772,7 +805,7 @@ retry:
for (j = 0; j < n->pos; j++) {
data = ahash_tdata(n, j);
m = hbucket(t, HKEY(data, h->initval, htable_bits));
- ret = type_pf_elem_tadd(m, data,
+ ret = type_pf_elem_tadd(m, data, AHASH_MAX(h),
type_pf_data_timeout(data));
if (ret < 0) {
read_unlock_bh(&set->lock);
@@ -803,9 +836,9 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
const struct type_pf_elem *d = value;
struct hbucket *n;
struct type_pf_elem *data;
- int ret = 0, i, j = AHASH_MAX_SIZE + 1;
+ int ret = 0, i, j = AHASH_MAX(h) + 1;
bool flag_exist = flags & IPSET_FLAG_EXIST;
- u32 key;
+ u32 key, multi = 0;
if (h->elements >= h->maxelem)
/* FIXME: when set is full, we slow down here */
@@ -819,18 +852,18 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
n = hbucket(t, key);
for (i = 0; i < n->pos; i++) {
data = ahash_tdata(n, i);
- if (type_pf_data_equal(data, d)) {
+ if (type_pf_data_equal(data, d, &multi)) {
if (type_pf_data_expired(data) || flag_exist)
j = i;
else {
ret = -IPSET_ERR_EXIST;
goto out;
}
- } else if (j == AHASH_MAX_SIZE + 1 &&
+ } else if (j == AHASH_MAX(h) + 1 &&
type_pf_data_expired(data))
j = i;
}
- if (j != AHASH_MAX_SIZE + 1) {
+ if (j != AHASH_MAX(h) + 1) {
data = ahash_tdata(n, j);
#ifdef IP_SET_HASH_WITH_NETS
del_cidr(h, data->cidr, HOST_MASK);
@@ -840,7 +873,8 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
type_pf_data_timeout_set(data, timeout);
goto out;
}
- ret = type_pf_elem_tadd(n, d, timeout);
+ TUNE_AHASH_MAX(h, multi);
+ ret = type_pf_elem_tadd(n, d, AHASH_MAX(h), timeout);
if (ret != 0) {
if (ret == -EAGAIN)
type_pf_data_next(h, d);
@@ -865,13 +899,13 @@ type_pf_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
struct hbucket *n;
int i;
struct type_pf_elem *data;
- u32 key;
+ u32 key, multi = 0;
key = HKEY(value, h->initval, t->htable_bits);
n = hbucket(t, key);
for (i = 0; i < n->pos; i++) {
data = ahash_tdata(n, i);
- if (!type_pf_data_equal(data, d))
+ if (!type_pf_data_equal(data, d, &multi))
continue;
if (type_pf_data_expired(data))
return -IPSET_ERR_EXIST;
@@ -911,16 +945,16 @@ type_pf_ttest_cidrs(struct ip_set *set, struct type_pf_elem *d, u32 timeout)
struct type_pf_elem *data;
struct hbucket *n;
int i, j = 0;
- u32 key;
+ u32 key, multi = 0;
u8 host_mask = SET_HOST_MASK(set->family);
- for (; j < host_mask && h->nets[j].cidr; j++) {
+ for (; j < host_mask && h->nets[j].cidr && !multi; j++) {
type_pf_data_netmask(d, h->nets[j].cidr);
key = HKEY(d, h->initval, t->htable_bits);
n = hbucket(t, key);
for (i = 0; i < n->pos; i++) {
data = ahash_tdata(n, i);
- if (type_pf_data_equal(data, d))
+ if (type_pf_data_equal(data, d, &multi))
return !type_pf_data_expired(data);
}
}
@@ -936,7 +970,7 @@ type_pf_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
struct type_pf_elem *data, *d = value;
struct hbucket *n;
int i;
- u32 key;
+ u32 key, multi = 0;
#ifdef IP_SET_HASH_WITH_NETS
if (d->cidr == SET_HOST_MASK(set->family))
@@ -946,7 +980,7 @@ type_pf_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
n = hbucket(t, key);
for (i = 0; i < n->pos; i++) {
data = ahash_tdata(n, i);
- if (type_pf_data_equal(data, d))
+ if (type_pf_data_equal(data, d, &multi))
return !type_pf_data_expired(data);
}
return 0;
@@ -1054,6 +1088,8 @@ type_pf_gc_init(struct ip_set *set)
IPSET_GC_PERIOD(h->timeout));
}
+#undef HKEY_DATALEN
+#undef HKEY
#undef type_pf_data_equal
#undef type_pf_data_isnull
#undef type_pf_data_copy
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 2b11fc1a86be..74d33861473c 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -60,6 +60,9 @@ struct nfnl_callback {
int (*call)(struct sock *nl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const cda[]);
+ int (*call_rcu)(struct sock *nl, struct sk_buff *skb,
+ const struct nlmsghdr *nlh,
+ const struct nlattr * const cda[]);
const struct nla_policy *policy; /* netlink attribute policy */
const u_int16_t attr_count; /* number of nlattr's */
};
diff --git a/include/linux/netfilter/nfnetlink_queue.h b/include/linux/netfilter/nfnetlink_queue.h
index af94e0014ebd..24b32e6c009e 100644
--- a/include/linux/netfilter/nfnetlink_queue.h
+++ b/include/linux/netfilter/nfnetlink_queue.h
@@ -8,6 +8,7 @@ enum nfqnl_msg_types {
NFQNL_MSG_PACKET, /* packet from kernel to userspace */
NFQNL_MSG_VERDICT, /* verdict from userspace to kernel */
NFQNL_MSG_CONFIG, /* connect to a particular queue */
+ NFQNL_MSG_VERDICT_BATCH, /* batchv from userspace to kernel */
NFQNL_MSG_MAX
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 02:04:23 +0000