u64 as_u64[5];
u32 as_u32[10];
} map_ip6_reass_key_t;
-/* *INDENT-OFF* */
+/* *INDENT-ON* */
-typedef struct {
- u32 pi; //Cached packet or ~0
- u16 next_data_offset; //The data offset of the additional 20 bytes or ~0
- u8 next_data_len; //Number of bytes ready to be copied (20 if not last fragment)
- u8 next_data[20]; //The 20 additional bytes
+typedef struct
+{
+ u32 pi; //Cached packet or ~0
+ u16 next_data_offset; //The data offset of the additional 20 bytes or ~0
+ u8 next_data_len; //Number of bytes ready to be copied (20 if not last fragment)
+ u8 next_data[20]; //The 20 additional bytes
} map_ip6_fragment_t;
-typedef struct {
+typedef struct
+{
map_ip6_reass_key_t key;
f64 ts;
#ifdef MAP_IP6_REASS_COUNT_BYTES
u16 expected_total;
u16 forwarded;
#endif
- u16 bucket; //What hash bucket this element is linked in
+ u16 bucket; //What hash bucket this element is linked in
u16 bucket_next;
u16 fifo_prev;
u16 fifo_next;
extern map_main_pre_resolved_t pre_resolved[FIB_PROTOCOL_MAX];
#endif
-typedef struct {
+typedef struct
+{
/* pool of MAP domains */
map_domain_t *domains;
map_domain_extra_t *domain_extras;
* IPv6 decap reassembly
*/
/* Configuration */
- f32 ip6_reass_conf_ht_ratio; //Size of ht is 2^ceil(log2(ratio*pool_size))
- u16 ip6_reass_conf_pool_size; //Max number of allocated reass structures
- u16 ip6_reass_conf_lifetime_ms; //Time a reassembly struct is considered valid in ms
- u32 ip6_reass_conf_buffers; //Maximum number of buffers used by ip6 reassembly
+ f32 ip6_reass_conf_ht_ratio; //Size of ht is 2^ceil(log2(ratio*pool_size))
+ u16 ip6_reass_conf_pool_size; //Max number of allocated reass structures
+ u16 ip6_reass_conf_lifetime_ms; //Time a reassembly struct is considered valid in ms
+ u32 ip6_reass_conf_buffers; //Maximum number of buffers used by ip6 reassembly
/* Runtime */
map_ip6_reass_t *ip6_reass_pool;
- u8 ip6_reass_ht_log2len; //Hash table size is 2^log2len
+ u8 ip6_reass_ht_log2len; //Hash table size is 2^log2len
u16 ip6_reass_allocated;
u16 *ip6_reass_hash_table;
u16 ip6_reass_fifo_last;
_(MALFORMED, "malformed packet") \
_(DF_SET, "can't fragment, DF set")
-typedef enum {
+typedef enum
+{
#define _(sym,str) MAP_ERROR_##sym,
- foreach_map_error
+ foreach_map_error
#undef _
- MAP_N_ERROR,
- } map_error_t;
+ MAP_N_ERROR,
+} map_error_t;
-u64 map_error_counter_get(u32 node_index, map_error_t map_error);
+u64 map_error_counter_get (u32 node_index, map_error_t map_error);
-typedef struct {
+typedef struct
+{
u32 map_domain_index;
u16 port;
} map_trace_t;
always_inline void
-map_add_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b,
- u32 map_domain_index, u16 port)
+map_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_buffer_t * b, u32 map_domain_index, u16 port)
{
map_trace_t *tr = vlib_add_trace (vm, node, b, sizeof (*tr));
tr->map_domain_index = map_domain_index;
* map_get_pfx
*/
static_always_inline u64
-map_get_pfx (map_domain_t *d, u32 addr, u16 port)
+map_get_pfx (map_domain_t * d, u32 addr, u16 port)
{
u16 psid = (port >> d->psid_shift) & d->psid_mask;
if (d->ea_bits_len == 0 && d->rules)
- return clib_net_to_host_u64(d->rules[psid].as_u64[0]);
+ return clib_net_to_host_u64 (d->rules[psid].as_u64[0]);
u32 suffix = (addr >> d->suffix_shift) & d->suffix_mask;
- u64 ea = d->ea_bits_len == 0 ? 0 : (((u64) suffix << d->psid_length)) | psid;
+ u64 ea =
+ d->ea_bits_len == 0 ? 0 : (((u64) suffix << d->psid_length)) | psid;
- return clib_net_to_host_u64(d->ip6_prefix.as_u64[0]) | ea << d->ea_shift;
+ return clib_net_to_host_u64 (d->ip6_prefix.as_u64[0]) | ea << d->ea_shift;
}
static_always_inline u64
-map_get_pfx_net (map_domain_t *d, u32 addr, u16 port)
+map_get_pfx_net (map_domain_t * d, u32 addr, u16 port)
{
- return clib_host_to_net_u64(map_get_pfx(d, clib_net_to_host_u32(addr),
- clib_net_to_host_u16(port)));
+ return clib_host_to_net_u64 (map_get_pfx (d, clib_net_to_host_u32 (addr),
+ clib_net_to_host_u16 (port)));
}
/*
* map_get_sfx
*/
static_always_inline u64
-map_get_sfx (map_domain_t *d, u32 addr, u16 port)
+map_get_sfx (map_domain_t * d, u32 addr, u16 port)
{
u16 psid = (port >> d->psid_shift) & d->psid_mask;
/* Shared 1:1 mode. */
if (d->ea_bits_len == 0 && d->rules)
- return clib_net_to_host_u64(d->rules[psid].as_u64[1]);
+ return clib_net_to_host_u64 (d->rules[psid].as_u64[1]);
if (d->ip6_prefix_len == 128)
- return clib_net_to_host_u64(d->ip6_prefix.as_u64[1]);
+ return clib_net_to_host_u64 (d->ip6_prefix.as_u64[1]);
if (d->ip6_src_len == 96)
- return (clib_net_to_host_u64(d->ip6_prefix.as_u64[1]) | addr);
+ return (clib_net_to_host_u64 (d->ip6_prefix.as_u64[1]) | addr);
/* IPv4 prefix */
if (d->flags & MAP_DOMAIN_PREFIX)
}
static_always_inline u64
-map_get_sfx_net (map_domain_t *d, u32 addr, u16 port)
+map_get_sfx_net (map_domain_t * d, u32 addr, u16 port)
{
- return clib_host_to_net_u64(map_get_sfx(d, clib_net_to_host_u32(addr),
- clib_net_to_host_u16(port)));
+ return clib_host_to_net_u64 (map_get_sfx (d, clib_net_to_host_u32 (addr),
+ clib_net_to_host_u16 (port)));
}
static_always_inline u32
-map_get_ip4 (ip6_address_t *addr, u16 prefix_len)
+map_get_ip4 (ip6_address_t * addr, u16 prefix_len)
{
- ASSERT(prefix_len == 64 || prefix_len == 96);
+ ASSERT (prefix_len == 64 || prefix_len == 96);
if (prefix_len == 96)
- return clib_host_to_net_u32(clib_net_to_host_u64(addr->as_u64[1]));
+ return clib_host_to_net_u32 (clib_net_to_host_u64 (addr->as_u64[1]));
else
- return clib_host_to_net_u32(clib_net_to_host_u64(addr->as_u64[1]) >> 16);
+ return clib_host_to_net_u32 (clib_net_to_host_u64 (addr->as_u64[1]) >>
+ 16);
}
static_always_inline map_domain_t *
-ip4_map_get_domain (ip4_address_t *addr, u32 *map_domain_index, u8 *error)
+ip4_map_get_domain (ip4_address_t * addr, u32 * map_domain_index, u8 * error)
{
map_main_t *mm = &map_main;
- u32 mdi = mm->ip4_prefix_tbl->lookup(mm->ip4_prefix_tbl, addr, 32);
- if (mdi == ~0) {
- *error = MAP_ERROR_NO_DOMAIN;
- return 0;
- }
+ u32 mdi = mm->ip4_prefix_tbl->lookup (mm->ip4_prefix_tbl, addr, 32);
+ if (mdi == ~0)
+ {
+ *error = MAP_ERROR_NO_DOMAIN;
+ return 0;
+ }
*map_domain_index = mdi;
- return pool_elt_at_index(mm->domains, mdi);
+ return pool_elt_at_index (mm->domains, mdi);
}
/*
* prefix is shared the IPv4 address must be used.
*/
static_always_inline map_domain_t *
-ip6_map_get_domain (ip6_address_t *addr,
- u32 *map_domain_index,
- u8 *error)
+ip6_map_get_domain (ip6_address_t * addr, u32 * map_domain_index, u8 * error)
{
map_main_t *mm = &map_main;
- u32 mdi = mm->ip6_src_prefix_tbl->lookup(mm->ip6_src_prefix_tbl, addr, 128);
- if (mdi == ~0) {
- *error = MAP_ERROR_NO_DOMAIN;
- return 0;
- }
+ u32 mdi =
+ mm->ip6_src_prefix_tbl->lookup (mm->ip6_src_prefix_tbl, addr, 128);
+ if (mdi == ~0)
+ {
+ *error = MAP_ERROR_NO_DOMAIN;
+ return 0;
+ }
*map_domain_index = mdi;
- return pool_elt_at_index(mm->domains, mdi);
+ return pool_elt_at_index (mm->domains, mdi);
}
-clib_error_t * map_plugin_api_hookup (vlib_main_t * vm);
+clib_error_t *map_plugin_api_hookup (vlib_main_t * vm);
-map_ip6_reass_t *
-map_ip6_reass_get(ip6_address_t *src, ip6_address_t *dst, u32 fragment_id,
- u8 protocol, u32 **pi_to_drop);
-void
-map_ip6_reass_free(map_ip6_reass_t *r, u32 **pi_to_drop);
+map_ip6_reass_t *map_ip6_reass_get (ip6_address_t * src, ip6_address_t * dst,
+ u32 fragment_id, u8 protocol,
+ u32 ** pi_to_drop);
+void map_ip6_reass_free (map_ip6_reass_t * r, u32 ** pi_to_drop);
#define map_ip6_reass_lock() clib_spinlock_lock (&map_main.ip6_reass_lock)
#define map_ip6_reass_unlock() clib_spinlock_unlock (&map_main.ip6_reass_lock)
int
-map_ip6_reass_add_fragment(map_ip6_reass_t *r, u32 pi,
- u16 data_offset, u16 next_data_offset,
- u8 *data_start, u16 data_len);
+map_ip6_reass_add_fragment (map_ip6_reass_t * r, u32 pi,
+ u16 data_offset, u16 next_data_offset,
+ u8 * data_start, u16 data_len);
-void map_ip4_drop_pi(u32 pi);
+void map_ip4_drop_pi (u32 pi);
-void map_ip6_drop_pi(u32 pi);
+void map_ip6_drop_pi (u32 pi);
-int map_ip6_reass_conf_ht_ratio(f32 ht_ratio, u32 *trashed_reass, u32 *dropped_packets);
+int map_ip6_reass_conf_ht_ratio (f32 ht_ratio, u32 * trashed_reass,
+ u32 * dropped_packets);
#define MAP_IP6_REASS_CONF_HT_RATIO_MAX 100
-int map_ip6_reass_conf_pool_size(u16 pool_size, u32 *trashed_reass, u32 *dropped_packets);
+int map_ip6_reass_conf_pool_size (u16 pool_size, u32 * trashed_reass,
+ u32 * dropped_packets);
#define MAP_IP6_REASS_CONF_POOL_SIZE_MAX (0xfeff)
-int map_ip6_reass_conf_lifetime(u16 lifetime_ms);
+int map_ip6_reass_conf_lifetime (u16 lifetime_ms);
#define MAP_IP6_REASS_CONF_LIFETIME_MAX 0xffff
-int map_ip6_reass_conf_buffers(u32 buffers);
+int map_ip6_reass_conf_buffers (u32 buffers);
#define MAP_IP6_REASS_CONF_BUFFERS_MAX (0xffffffff)
/*
* Supports prefix of 96 or 64 (with u-octet)
*/
static_always_inline void
-ip4_map_t_embedded_address (map_domain_t *d,
- ip6_address_t *ip6, const ip4_address_t *ip4)
+ip4_map_t_embedded_address (map_domain_t * d,
+ ip6_address_t * ip6, const ip4_address_t * ip4)
{
- ASSERT(d->ip6_src_len == 96 || d->ip6_src_len == 64); //No support for other lengths for now
+ ASSERT (d->ip6_src_len == 96 || d->ip6_src_len == 64); //No support for other lengths for now
u8 offset = d->ip6_src_len == 64 ? 9 : 12;
ip6->as_u64[0] = d->ip6_src.as_u64[0];
ip6->as_u64[1] = d->ip6_src.as_u64[1];
- clib_memcpy_fast(&ip6->as_u8[offset], ip4, 4);
+ clib_memcpy_fast (&ip6->as_u8[offset], ip4, 4);
}
static_always_inline u32
-ip6_map_t_embedded_address (map_domain_t *d, ip6_address_t *addr)
+ip6_map_t_embedded_address (map_domain_t * d, ip6_address_t * addr)
{
- ASSERT(d->ip6_src_len == 64 || d->ip6_src_len == 96);
+ ASSERT (d->ip6_src_len == 64 || d->ip6_src_len == 96);
u32 x;
u8 offset = d->ip6_src_len == 64 ? 9 : 12;
- clib_memcpy(&x, &addr->as_u8[offset], 4);
+ clib_memcpy (&x, &addr->as_u8[offset], 4);
return x;
}
static inline void
-map_domain_counter_lock (map_main_t *mm)
+map_domain_counter_lock (map_main_t * mm)
{
if (mm->counter_lock)
while (clib_atomic_test_and_set (mm->counter_lock))
}
static inline void
-map_domain_counter_unlock (map_main_t *mm)
+map_domain_counter_unlock (map_main_t * mm)
{
if (mm->counter_lock)
clib_atomic_release (mm->counter_lock);
static_always_inline void
-map_send_all_to_node(vlib_main_t *vm, u32 *pi_vector,
- vlib_node_runtime_t *node, vlib_error_t *error,
- u32 next)
+map_send_all_to_node (vlib_main_t * vm, u32 * pi_vector,
+ vlib_node_runtime_t * node, vlib_error_t * error,
+ u32 next)
{
u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
//Deal with fragments that are ready
from = pi_vector;
- n_left_from = vec_len(pi_vector);
+ n_left_from = vec_len (pi_vector);
next_index = node->cached_next_index;
- while (n_left_from > 0) {
- vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next);
- while (n_left_from > 0 && n_left_to_next > 0) {
- u32 pi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next += 1;
- n_left_to_next -= 1;
- vlib_buffer_t *p0 = vlib_get_buffer(vm, pi0);
- p0->error = *error;
- vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, pi0, next);
+ while (n_left_from > 0)
+ {
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 pi0 = to_next[0] = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+ vlib_buffer_t *p0 = vlib_get_buffer (vm, pi0);
+ p0->error = *error;
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, pi0, next);
+ }
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_put_next_frame(vm, node, next_index, n_left_to_next);
- }
}
static_always_inline void
u8 *data;
u8 opt_len, opts_len, kind;
u16 mss;
- u16 mss_value_net = clib_host_to_net_u16(mss_clamping);
+ u16 mss_value_net = clib_host_to_net_u16 (mss_clamping);
if (!tcp_syn (tcp))
return;
kind = data[0];
if (kind == TCP_OPTION_EOL)
- break;
+ break;
else if (kind == TCP_OPTION_NOOP)
- {
- opt_len = 1;
- continue;
- }
+ {
+ opt_len = 1;
+ continue;
+ }
else
- {
- if (opts_len < 2)
- return;
- opt_len = data[1];
+ {
+ if (opts_len < 2)
+ return;
+ opt_len = data[1];
- if (opt_len < 2 || opt_len > opts_len)
- return;
- }
+ if (opt_len < 2 || opt_len > opts_len)
+ return;
+ }
if (kind == TCP_OPTION_MSS)
- {
- mss = *(u16 *) (data + 2);
- if (clib_net_to_host_u16 (mss) > mss_clamping)
- {
- *sum =
- ip_csum_update (*sum, mss, mss_value_net, ip4_header_t,
- length);
- clib_memcpy (data + 2, &mss_value_net, 2);
- }
- return;
- }
+ {
+ mss = *(u16 *) (data + 2);
+ if (clib_net_to_host_u16 (mss) > mss_clamping)
+ {
+ *sum =
+ ip_csum_update (*sum, mss, mss_value_net, ip4_header_t,
+ length);
+ clib_memcpy (data + 2, &mss_value_net, 2);
+ }
+ return;
+ }
}
}
Code Review / vpp.git / commitdiff