Include dependency graph for dslite_db.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	DSLITE_PRINTF(level, ...) if (dslite_debug_level > level) PLATFORM_DEBUG_PRINT(__VA_ARGS__);

#define	HASH_ENHANCE 4

#define	DSLITE_MAIN_DB_SIZE (20000000 / PLATFORM_CNAT_INSTS)

#define	DSLITE_MAIN_HASH_SIZE (HASH_ENHANCE * PLATFORM_CNAT_MAIN_PRELIM_HASH_SIZE)

#define	DSLITE_MAIN_HASH_MASK (DSLITE_MAIN_HASH_SIZE-1)

#define	DSLITE_USER_HASH_SIZE CNAT_USER_HASH_SIZE

#define	DSLITE_USER_HASH_MASK (DSLITE_USER_HASH_SIZE-1)

#define	DSLITE_TIMEOUT_HASH_SIZE 1000

#define	DSLITE_TIMEOUT_HASH_MASK (DSLITE_TIMEOUT_HASH_SIZE - 1)

#define	DSLITE_TIMEOUT_FULL_MASK 0xFFFFFFFFFFFFFFFF

#define	CNAT_MAX_SESSIONS_PER_BIB 0xFFFF

#define	FORCE_DEL 1 /* Delete static BIB entries as well */

#define	DSLITE_UDP_DEFAULT 300 /* 5 min */

#define	DSLITE_UDP_MIN 120 /* 2 min */

#define	DSLITE_TCP_TRANS 240 /* 4 min */

#define	DSLITE_TCP_EST 7200 /* 2 hrs */

#define	DSLITE_TCP_V4_SYN 6 /* 6 sec */

#define	DSLITE_FRAG_MIN 2 /* 2 sec */

#define	DSLITE_ICMP_DEFAULT 60 /* 1 min */

#define	DSLITE_V6_GET_HASH(in_key, hash, mask)

#define	DSLITE_V6_GET_USER_HASH(ipv6, hash, mask)

#define	DSLITE_V4_GET_HASH(in_key, hash, mask)

#define	PRIVATE_V4_ADDR_CHECK(addr, invalid)

#define	V4_MAPPED_V6_CHECK(v6_addr, invalid)

#define	DSLITE_CMP_V6_KEY(key1, key2) memcmp(key1, key2, sizeof(dslite_v6_key_t))

#define	DSLITE_CMP_V4_KEY(key1, key2) memcmp(key1, key2, sizeof(dslite_v4_key_t))

#define	DSLITE_CMP_V6_IP(ip1, ip2) memcmp(ip1, ip2, (sizeof(u32) * 4))

#define	DSLITE_CMP_V6_KEY1(key1, key2)

#define	DSLITE_CMP_V6_IP1(ip1, ip2)

#define	DSLITE_CMP_V4_KEY1(key1, key2) (key1.key64 == key2.key64)

Functions
cnat_main_db_entry_t *	dslite_get_main_db_entry_v2 (dslite_db_key_bucket_t ki, port_pair_t port_pair_type, port_type_t port_type, cnat_gen_icmp_info info, dslite_table_entry_t dslite_entry_ptr, cnat_key_t dest_info)

cnat_main_db_entry_t *	dslite_main_db_lookup_entry (dslite_db_key_bucket_t *ki)

cnat_user_db_entry_t *	dslite_user_db_lookup_entry (dslite_db_key_bucket_t *uki)

cnat_user_db_entry_t *	dslite_user_db_create_entry (dslite_db_key_bucket_t *uki, u32 portmap_index)

cnat_main_db_entry_t *	dslite_create_main_db_entry_and_hash (dslite_db_key_bucket_t ki, cnat_db_key_bucket_t ko, cnat_user_db_entry_t *udb)

Macro Definition Documentation

#define CNAT_MAX_SESSIONS_PER_BIB 0xFFFF

Definition at line 55 of file dslite_db.h.

#define DSLITE_CMP_V4_KEY	(	key1,
		key2
	)	memcmp(key1, key2, sizeof(dslite_v4_key_t))

Definition at line 126 of file dslite_db.h.

#define DSLITE_CMP_V4_KEY1	(	key1,
		key2
	)	(key1.key64 == key2.key64)

Definition at line 144 of file dslite_db.h.

#define DSLITE_CMP_V6_IP	(	ip1,
		ip2
	)	memcmp(ip1, ip2, (sizeof(u32) * 4))

Definition at line 130 of file dslite_db.h.

#define DSLITE_CMP_V6_IP1	(	ip1,
		ip2
	)

Value:

((ip1[0] == ip2[0]) && (ip1[1] == ip2[1]) && \

(ip1[2] == ip2[2]) && (ip1[3] == ip2[3]))

Definition at line 140 of file dslite_db.h.

#define DSLITE_CMP_V6_KEY	(	key1,
		key2
	)	memcmp(key1, key2, sizeof(dslite_v6_key_t))

Definition at line 123 of file dslite_db.h.

#define DSLITE_CMP_V6_KEY1	(	key1,
		key2
	)

Value:

(key1.ipv6[0] == key2.ipv6[0]) && (key1.ipv6[1] == key2.ipv6[1]) && \
    (key1.ipv6[2] == key2.ipv6[2]) &&  (key1.ipv6[3] == key2.ipv6[3]) && \
    (key1.port == key2.port) && (key1.vrf == key2.vrf)

Definition at line 134 of file dslite_db.h.

#define DSLITE_FRAG_MIN 2 /* 2 sec */

Definition at line 65 of file dslite_db.h.

#define DSLITE_ICMP_DEFAULT 60 /* 1 min */

Definition at line 66 of file dslite_db.h.

#define DSLITE_MAIN_DB_SIZE (20000000 / PLATFORM_CNAT_INSTS)

Definition at line 39 of file dslite_db.h.

#define DSLITE_MAIN_HASH_MASK (DSLITE_MAIN_HASH_SIZE-1)

Definition at line 43 of file dslite_db.h.

#define DSLITE_MAIN_HASH_SIZE (HASH_ENHANCE * PLATFORM_CNAT_MAIN_PRELIM_HASH_SIZE)

Definition at line 40 of file dslite_db.h.

#define DSLITE_PRINTF	(	level,
		...
	)	if (dslite_debug_level > level) PLATFORM_DEBUG_PRINT(__VA_ARGS__);

Definition at line 28 of file dslite_db.h.

#define DSLITE_TCP_EST 7200 /* 2 hrs */

Definition at line 63 of file dslite_db.h.

#define DSLITE_TCP_TRANS 240 /* 4 min */

Definition at line 62 of file dslite_db.h.

#define DSLITE_TCP_V4_SYN 6 /* 6 sec */

Definition at line 64 of file dslite_db.h.

#define DSLITE_TIMEOUT_FULL_MASK 0xFFFFFFFFFFFFFFFF

Definition at line 53 of file dslite_db.h.

#define DSLITE_TIMEOUT_HASH_MASK (DSLITE_TIMEOUT_HASH_SIZE - 1)

Definition at line 52 of file dslite_db.h.

#define DSLITE_TIMEOUT_HASH_SIZE 1000

Definition at line 51 of file dslite_db.h.

#define DSLITE_UDP_DEFAULT 300 /* 5 min */

Definition at line 60 of file dslite_db.h.

#define DSLITE_UDP_MIN 120 /* 2 min */

Definition at line 61 of file dslite_db.h.

#define DSLITE_USER_HASH_MASK (DSLITE_USER_HASH_SIZE-1)

Definition at line 48 of file dslite_db.h.

#define DSLITE_USER_HASH_SIZE CNAT_USER_HASH_SIZE

Definition at line 47 of file dslite_db.h.

#define DSLITE_V4_GET_HASH	(	in_key,
		hash,
		mask
	)

Value:

a = in_key.ipv4 ^ ((in_key.port << 16) | in_key.vrf); \
    b = c = 0x9e3779b9; \
    /* Jenkins hash, arbitrarily use c as the "answer" */ \
    hash_mix32(a, b, c); \
    hash = c & mask;

Definition at line 95 of file dslite_db.h.

#define DSLITE_V6_GET_HASH	(	in_key,
		hash,
		mask
	)

Value:

a = in_key->ipv6[0] ^ in_key->ipv6[1] ^ in_key->ipv6[2] ^ in_key->ipv6[3] \
         ^ in_key->ipv4_key.k.ipv4 ^ ((in_key->ipv4_key.k.port << 16) | in_key->ipv4_key.k.vrf); \
    DSLITE_PRINTF(1, "%x:%x:%x:%x:%x:%x:%x\n", in_key->ipv6[0], in_key->ipv6[1], in_key->ipv6[2], in_key->ipv6[3], \
                  in_key->ipv4_key.k.ipv4, in_key->ipv4_key.k.port, in_key->ipv4_key.k.vrf);  \
    b = c = 0x9e3779b9;\
    /* Jenkins hash, arbitrarily use c as the "answer" */ \
    hash_mix32(a, b, c); \
    hash = c & mask; \

Definition at line 77 of file dslite_db.h.

#define DSLITE_V6_GET_USER_HASH	(	ipv6,
		hash,
		mask
	)

Value:

a = ipv6[0] ^ ipv6[1] ^ ipv6[2] ^ ipv6[3]; \
    b = c = 0x9e3779b9;\
    /* Jenkins hash, arbitrarily use c as the "answer" */ \
    hash_mix32(a, b, c); \
    hash = c & mask; \

Definition at line 88 of file dslite_db.h.

#define FORCE_DEL 1 /* Delete static BIB entries as well */

Definition at line 57 of file dslite_db.h.

#define HASH_ENHANCE 4

Definition at line 37 of file dslite_db.h.

#define PRIVATE_V4_ADDR_CHECK	(	addr,
		invalid
	)

Value:

invalid = 0; \
    int range1 = ((addr & 0xFF000000) >> 24); \
    int range2 = ((addr & 0xFFF00000) >> 20); \
    int range3 = ((addr & 0xFFFF0000) >> 16); \
    int range4 = ((addr & 0xFFFFFFF8) >> 3);  \
    if(range1 != 0xa && range2 != 0xac1 && range3 != 0xc0a8  && range4 != 0x18000000) \
        invalid = 1;

Definition at line 102 of file dslite_db.h.

#define V4_MAPPED_V6_CHECK	(	v6_addr,
		invalid
	)

Value:

invalid = 0; \
    int word1 = v6_addr[0]; \
    int word2 = v6_addr[1]; \
    int word3 = v6_addr[2]; \
    if(!((word1 == 0) && (word2 == 0) && (word3 == 0x0000FFFF))) \
        invalid = 1;

Definition at line 111 of file dslite_db.h.