IPSET_OPT_GC,
IPSET_OPT_HASHSIZE,
IPSET_OPT_MAXELEM,
+ IPSET_OPT_MARKMASK,
IPSET_OPT_NETMASK,
IPSET_OPT_PROBES,
IPSET_OPT_RESIZE,
| IPSET_FLAG(IPSET_OPT_GC) \
| IPSET_FLAG(IPSET_OPT_HASHSIZE)\
| IPSET_FLAG(IPSET_OPT_MAXELEM) \
+ | IPSET_FLAG(IPSET_OPT_MARKMASK)\
| IPSET_FLAG(IPSET_OPT_NETMASK) \
| IPSET_FLAG(IPSET_OPT_PROBES) \
| IPSET_FLAG(IPSET_OPT_RESIZE) \
IPSET_ATTR_GC,
IPSET_ATTR_HASHSIZE,
IPSET_ATTR_MAXELEM,
+ IPSET_ATTR_MARKMASK,
IPSET_ATTR_NETMASK,
IPSET_ATTR_PROBES,
IPSET_ATTR_RESIZE,
IPSET_ERR_EXIST,
IPSET_ERR_INVALID_CIDR,
IPSET_ERR_INVALID_NETMASK,
+ IPSET_ERR_INVALID_MARKMASK,
IPSET_ERR_INVALID_FAMILY,
IPSET_ERR_TIMEOUT,
IPSET_ERR_REFERENCED,
IPSET_ATTR_GC,
IPSET_ATTR_HASHSIZE,
IPSET_ATTR_MAXELEM,
+ IPSET_ATTR_MARKMASK,
IPSET_ATTR_NETMASK,
IPSET_ATTR_PROBES,
IPSET_ATTR_RESIZE,
IPSET_ERR_EXIST,
IPSET_ERR_INVALID_CIDR,
IPSET_ERR_INVALID_NETMASK,
+ IPSET_ERR_INVALID_MARKMASK,
IPSET_ERR_INVALID_FAMILY,
IPSET_ERR_TIMEOUT,
IPSET_ERR_REFERENCED,
u32 maxelem; /* max elements in the hash */
u32 elements; /* current element (vs timeout) */
u32 initval; /* random jhash init value */
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ u32 markmask; /* markmask value for mark mask to store */
+#endif
struct timer_list gc; /* garbage collection when timeout enabled */
struct mtype_elem next; /* temporary storage for uadd */
#ifdef IP_SET_HASH_WITH_MULTI
a->timeout == b->timeout &&
#ifdef IP_SET_HASH_WITH_NETMASK
x->netmask == y->netmask &&
+#endif
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ x->markmask == y->markmask &&
#endif
a->extensions == b->extensions;
}
if (h->netmask != HOST_MASK &&
nla_put_u8(skb, IPSET_ATTR_NETMASK, h->netmask))
goto nla_put_failure;
+#endif
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ if (nla_put_u32(skb, IPSET_ATTR_MARKMASK, h->markmask))
+ goto nla_put_failure;
#endif
if (nla_put_net32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1)) ||
nla_put_net32(skb, IPSET_ATTR_MEMSIZE, htonl(memsize)))
struct nlattr *tb[], u32 flags)
{
u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ u32 markmask;
+#endif
u8 hbits;
#ifdef IP_SET_HASH_WITH_NETMASK
u8 netmask;
if (!(set->family == NFPROTO_IPV4 || set->family == NFPROTO_IPV6))
return -IPSET_ERR_INVALID_FAMILY;
+
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ markmask = 0xffffffff;
+#endif
#ifdef IP_SET_HASH_WITH_NETMASK
netmask = set->family == NFPROTO_IPV4 ? 32 : 128;
pr_debug("Create set %s with family %s\n",
if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) ||
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_MARKMASK) ||
+#endif
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
return -IPSET_ERR_PROTOCOL;
return -IPSET_ERR_INVALID_NETMASK;
}
#endif
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ if (tb[IPSET_ATTR_MARKMASK]) {
+ markmask = ntohl(nla_get_u32(tb[IPSET_ATTR_MARKMASK]));
+
+ if ((markmask > 4294967295u) || markmask == 0)
+ return -IPSET_ERR_INVALID_MARKMASK;
+ }
+#endif
hsize = sizeof(*h);
#ifdef IP_SET_HASH_WITH_NETS
h->maxelem = maxelem;
#ifdef IP_SET_HASH_WITH_NETMASK
h->netmask = netmask;
+#endif
+#ifdef IP_SET_HASH_WITH_MARKMASK
+ h->markmask = markmask;
#endif
get_random_bytes(&h->initval, sizeof(h->initval));
set->timeout = IPSET_NO_TIMEOUT;
/* Type specific function prefix */
#define HTYPE hash_ipmark
+#define IP_SET_HASH_WITH_MARKMASK
/* IPv4 variant */
const struct xt_action_param *par,
enum ipset_adt adt, struct ip_set_adt_opt *opt)
{
+ const struct hash_ipmark *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipmark4_elem e = { };
struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
e.mark = skb->mark;
+ e.mark &= h->markmask;
ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip);
return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
return ret;
e.mark = ntohl(nla_get_u32(tb[IPSET_ATTR_MARK]));
+ e.mark &= h->markmask;
if (adt == IPSET_TEST ||
!(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR])) {
const struct xt_action_param *par,
enum ipset_adt adt, struct ip_set_adt_opt *opt)
{
+ const struct hash_ipmark *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipmark6_elem e = { };
struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
e.mark = skb->mark;
+ e.mark &= h->markmask;
ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip.in6);
return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
hash_ipmark6_uadt(struct ip_set *set, struct nlattr *tb[],
enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
+ const struct hash_ipmark *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipmark6_elem e = { };
struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
return ret;
e.mark = ntohl(nla_get_u32(tb[IPSET_ATTR_MARK]));
+ e.mark &= h->markmask;
if (adt == IPSET_TEST) {
ret = adtfn(set, &e, &ext, &ext, flags);
.revision_max = IPSET_TYPE_REV_MAX,
.create = hash_ipmark_create,
.create_policy = {
+ [IPSET_ATTR_MARKMASK] = { .type = NLA_U32 },
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
[IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
[IPSET_ATTR_PROBES] = { .type = NLA_U8 },
uint8_t netmask;
uint32_t hashsize;
uint32_t maxelem;
+ uint32_t markmask;
uint32_t gc;
uint32_t size;
/* Filled out by kernel */
case IPSET_OPT_MAXELEM:
data->create.maxelem = *(const uint32_t *) value;
break;
+ case IPSET_OPT_MARKMASK:
+ data->create.markmask = *(const uint32_t *) value;
+ break;
case IPSET_OPT_NETMASK:
data->create.netmask = *(const uint8_t *) value;
break;
return &data->create.hashsize;
case IPSET_OPT_MAXELEM:
return &data->create.maxelem;
+ case IPSET_OPT_MARKMASK:
+ return &data->create.markmask;
case IPSET_OPT_NETMASK:
return &data->create.netmask;
case IPSET_OPT_PROBES:
case IPSET_OPT_GC:
case IPSET_OPT_HASHSIZE:
case IPSET_OPT_MAXELEM:
+ case IPSET_OPT_MARKMASK:
case IPSET_OPT_SIZE:
case IPSET_OPT_ELEMENTS:
case IPSET_OPT_REFERENCES:
[IPSET_ATTR_GC] = { .name = "GC" },
[IPSET_ATTR_HASHSIZE] = { .name = "HASHSIZE" },
[IPSET_ATTR_MAXELEM] = { .name = "MAXELEM" },
+ [IPSET_ATTR_MARKMASK] = { .name = "MARKMASK" },
[IPSET_ATTR_NETMASK] = { .name = "NETMASK" },
[IPSET_ATTR_PROBES] = { .name = "PROBES" },
[IPSET_ATTR_RESIZE] = { .name = "RESIZE" },
"cannot create more." },
{ IPSET_ERR_INVALID_NETMASK, 0,
"The value of the netmask parameter is invalid" },
+ { IPSET_ERR_INVALID_MARKMASK, 0,
+ "The value of the markmask parameter is invalid" },
{ IPSET_ERR_INVALID_FAMILY, 0,
"Protocol family not supported by the set type" },
.has_arg = IPSET_NO_ARG, .opt = IPSET_OPT_FAMILY,
.parse = ipset_parse_family,
},
+ { .name = { "markmask", NULL },
+ .has_arg = IPSET_MANDATORY_ARG, .opt = IPSET_OPT_MARKMASK,
+ .parse = ipset_parse_uint32, .print = ipset_print_number,
+ },
{ .name = { "hashsize", NULL },
.has_arg = IPSET_MANDATORY_ARG, .opt = IPSET_OPT_HASHSIZE,
.parse = ipset_parse_uint32, .print = ipset_print_number,
static const char hash_ipmark_usage0[] =
"create SETNAME hash:ip,mark\n"
-" [family inet|inet6]\n"
+" [family inet|inet6] [markmask VALUE]\n"
" [hashsize VALUE] [maxelem VALUE]\n"
" [timeout VALUE] [counters] [comment]\n"
"add SETNAME IP,MARK [timeout VALUE]\n"
| IPSET_FLAG(IPSET_OPT_MARK),
},
.full = {
- [IPSET_CREATE] = IPSET_FLAG(IPSET_OPT_HASHSIZE)
+ [IPSET_CREATE] = IPSET_FLAG(IPSET_OPT_MARKMASK)
+ | IPSET_FLAG(IPSET_OPT_HASHSIZE)
| IPSET_FLAG(IPSET_OPT_MAXELEM)
| IPSET_FLAG(IPSET_OPT_TIMEOUT)
| IPSET_FLAG(IPSET_OPT_COUNTERS)
case IPSET_OPT_GC:
case IPSET_OPT_HASHSIZE:
case IPSET_OPT_MAXELEM:
+ case IPSET_OPT_MARKMASK:
case IPSET_OPT_NETMASK:
case IPSET_OPT_PROBES:
case IPSET_OPT_RESIZE:
.type = MNL_TYPE_U32,
.opt = IPSET_OPT_MAXELEM,
},
+ [IPSET_ATTR_MARKMASK] = {
+ .type = MNL_TYPE_U32,
+ .opt = IPSET_OPT_MARKMASK,
+ },
[IPSET_ATTR_NETMASK] = {
.type = MNL_TYPE_U8,
.opt = IPSET_OPT_NETMASK,
.SS hash:ip,mark
The \fBhash:ip,mark\fR set type uses a hash to store IP address and packet mark pairs.
.PP
-\fICREATE\-OPTIONS\fR := [ \fBfamily\fR { \fBinet\fR | \fBinet6\fR } ] | [ \fBhashsize\fR \fIvalue\fR ] [ \fBmaxelem\fR \fIvalue\fR ] [ \fBtimeout\fR \fIvalue\fR ] [ \fBcounters\fP ] [ \fBcomment\fP ]
+\fICREATE\-OPTIONS\fR := [ \fBfamily\fR { \fBinet\fR | \fBinet6\fR } ] | [ \fBmarkmask\fR \fIvalue\fR ] [ \fBhashsize\fR \fIvalue\fR ] [ \fBmaxelem\fR \fIvalue\fR ] [ \fBtimeout\fR \fIvalue\fR ] [ \fBcounters\fP ] [ \fBcomment\fP ]
.PP
\fIADD\-ENTRY\fR := \fIipaddr\fR,\fImark\fR
.PP
The protocol family of the IP addresses to be stored in the set. The default is
\fBinet\fR, i.e IPv4.
.TP
+\fBmarkmask\fR \fIvalue\fR
+Allows to set bits you are interested in the packet mark. This values is then used to perform bitwise AND operation for every mark added.
+markmask can be any value between 1 and 4294967295, by default all 32 bits are set.
+.TP
\fBhashsize\fR \fIvalue\fR
The initial hash size for the set, default is 1024. The hash size must be a power
of two, the kernel automatically rounds up non power of two hash sizes to the first
0 ./check_extensions test 2.0.0.20 700 13 12479
# Counters and timeout: destroy set
0 ipset x test
+# Create a set with 65502 ( 0x0000FFDE ) markmask
+0 ipset create test hash:ip,mark markmask 0x0000FFDE
+# Add first value with 86111010 ( 0x0521F322 ) mark
+0 ipset add test 19.16.1.254,0x0521F322
+# Test last entry mark was modified to 62210 ( 0x0000F302 )
+0 ipset test test 19.16.1.254,0x0000F302
+# Test that mask is applied for tests as well
+0 ipset test test 19.16.1.254,0x0521F322
+# Destroy set
+0 ipset x test
# eof
Name: test
Type: hash:ip,mark
-Header: family inet hashsize 1024 maxelem 65536 timeout x
+Header: family inet markmask 4294967295 hashsize 1024 maxelem 65536 timeout x
Size in memory: 8836
References: 0
Members:
Name: test
Type: hash:ip,mark
-Header: family inet hashsize 1024 maxelem 65536 timeout 5
+Header: family inet markmask 4294967295 hashsize 1024 maxelem 65536 timeout 5
Size in memory: 8836
References: 0
Members:
0 ./check_extensions test 2::20 700 13 12479
# Counters and timeout: destroy set
0 ipset x test
+# Create a set with 65502 ( 0x0000FFDE ) markmask
+0 ipset create test hash:ip,mark family inet6 markmask 0x0000FFDE
+# Add first value with 86111010 ( 0x0521F322 ) mark
+0 ipset add test 2:1::1,0x0521F322
+# Test last entry mark was modified to 62210 ( 0x0000F302 )
+0 ipset test test 2:1::1,0x0000F302
+# Test that mask is applied for tests as well
+0 ipset test test 2:1::1,0x0521F322
+# Destroy set
+0 ipset x test
# eof
Name: test
Type: hash:ip,mark
-Header: family inet6 hashsize 1024 maxelem 65536 timeout x
+Header: family inet6 markmask 4294967295 hashsize 1024 maxelem 65536 timeout x
Size in memory: 9316
References: 0
Members:
Name: test
Type: hash:ip,mark
-Header: family inet6 hashsize 1024 maxelem 65536 timeout 5
+Header: family inet6 markmask 4294967295 hashsize 1024 maxelem 65536 timeout 5
Size in memory: 9316
References: 0
Members:
Name: test
Type: hash:ip,mark
-Header: family inet hashsize 1024 maxelem 65536
+Header: family inet markmask 4294967295 hashsize 1024 maxelem 65536
Size in memory: 8516
References: 0
Members:
Name: test
Type: hash:ip,mark
-Header: family inet hashsize 1024 maxelem 65536
+Header: family inet markmask 4294967295 hashsize 1024 maxelem 65536
Size in memory: 8468
References: 0
Members: