#include <vnet/dpo/classify_dpo.h>
#include <vnet/mfib/mfib_table.h> /* for mFIB table and entry creation */
#include <vnet/adj/adj_dp.h>
+#include <vnet/pg/pg.h>
#include <vnet/ip/ip4_forward.h>
#include <vnet/interface_output.h>
mhash_set (&lm->prefix_to_if_prefix_index, &key,
if_prefix - lm->if_prefix_pool, 0 /* old value */);
+ pfx_special.fp_len = a->address_length;
+ pfx_special.fp_addr.ip4.as_u32 = address->as_u32;
+
+ /* set the glean route for the prefix */
+ fib_table_entry_update_one_path (fib_index, &pfx_special,
+ FIB_SOURCE_INTERFACE,
+ (FIB_ENTRY_FLAG_CONNECTED |
+ FIB_ENTRY_FLAG_ATTACHED),
+ DPO_PROTO_IP4,
+ /* No next-hop address */
+ NULL,
+ sw_if_index,
+ /* invalid FIB index */
+ ~0,
+ 1,
+ /* no out-label stack */
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+
/* length <= 30 - add glean, drop first address, maybe drop bcast address */
if (a->address_length <= 30)
{
- pfx_special.fp_len = a->address_length;
- pfx_special.fp_addr.ip4.as_u32 = address->as_u32;
-
- /* set the glean route for the prefix */
- fib_table_entry_update_one_path (fib_index, &pfx_special,
- FIB_SOURCE_INTERFACE,
- (FIB_ENTRY_FLAG_CONNECTED |
- FIB_ENTRY_FLAG_ATTACHED),
- DPO_PROTO_IP4,
- /* No next-hop address */
- NULL,
- sw_if_index,
- /* invalid FIB index */
- ~0,
- 1,
- /* no out-label stack */
- NULL,
- FIB_ROUTE_PATH_FLAG_NONE);
-
/* set a drop route for the base address of the prefix */
pfx_special.fp_len = 32;
pfx_special.fp_addr.ip4.as_u32 =
if_prefix->ref_count -= 1;
/*
- * Routes need to be adjusted if:
- * - deleting last intf addr in prefix
- * - deleting intf addr used as default source address in glean adjacency
+ * Routes need to be adjusted if deleting last intf addr in prefix
*
* We're done now otherwise
*/
- if ((if_prefix->ref_count > 0) &&
- !pool_is_free_index (lm->if_address_pool, if_prefix->src_ia_index))
+ if (if_prefix->ref_count > 0)
return;
/* length <= 30, delete glean route, first address, last address */
if (address_length <= 30)
{
+ /* Less work to do in FIB if we remove the covered /32s first */
- /* remove glean route for prefix */
- pfx_special.fp_addr.ip4 = *address;
- pfx_special.fp_len = address_length;
- fib_table_entry_delete (fib_index, &pfx_special, FIB_SOURCE_INTERFACE);
-
- /* if no more intf addresses in prefix, remove other special routes */
- if (!if_prefix->ref_count)
- {
- /* first address in prefix */
- pfx_special.fp_addr.ip4.as_u32 =
- address->as_u32 & im->fib_masks[address_length];
- pfx_special.fp_len = 32;
+ /* first address in prefix */
+ pfx_special.fp_addr.ip4.as_u32 =
+ address->as_u32 & im->fib_masks[address_length];
+ pfx_special.fp_len = 32;
- if (pfx_special.fp_addr.ip4.as_u32 != address->as_u32)
- fib_table_entry_special_remove (fib_index,
- &pfx_special,
- FIB_SOURCE_INTERFACE);
+ if (pfx_special.fp_addr.ip4.as_u32 != address->as_u32)
+ fib_table_entry_special_remove (fib_index,
+ &pfx_special,
+ FIB_SOURCE_INTERFACE);
- /* prefix broadcast address */
- pfx_special.fp_addr.ip4.as_u32 =
- address->as_u32 | ~im->fib_masks[address_length];
- pfx_special.fp_len = 32;
+ /* prefix broadcast address */
+ pfx_special.fp_addr.ip4.as_u32 =
+ address->as_u32 | ~im->fib_masks[address_length];
+ pfx_special.fp_len = 32;
- if (pfx_special.fp_addr.ip4.as_u32 != address->as_u32)
- fib_table_entry_special_remove (fib_index,
- &pfx_special,
- FIB_SOURCE_INTERFACE);
- }
- else
- /* default source addr just got deleted, find another */
- {
- ip_interface_address_t *new_src_ia = NULL;
- ip4_address_t *new_src_addr = NULL;
-
- new_src_addr =
- ip4_interface_address_matching_destination
- (im, address, sw_if_index, &new_src_ia);
-
- if_prefix->src_ia_index = new_src_ia - lm->if_address_pool;
-
- pfx_special.fp_len = address_length;
- pfx_special.fp_addr.ip4 = *new_src_addr;
-
- /* set new glean route for the prefix */
- fib_table_entry_update_one_path (fib_index, &pfx_special,
- FIB_SOURCE_INTERFACE,
- (FIB_ENTRY_FLAG_CONNECTED |
- FIB_ENTRY_FLAG_ATTACHED),
- DPO_PROTO_IP4,
- /* No next-hop address */
- NULL,
- sw_if_index,
- /* invalid FIB index */
- ~0,
- 1,
- /* no out-label stack */
- NULL,
- FIB_ROUTE_PATH_FLAG_NONE);
- return;
- }
+ if (pfx_special.fp_addr.ip4.as_u32 != address->as_u32)
+ fib_table_entry_special_remove (fib_index,
+ &pfx_special,
+ FIB_SOURCE_INTERFACE);
}
- /* length == 31, delete attached route for the other address */
else if (address_length == 31)
{
+ /* length == 31, delete attached route for the other address */
pfx_special.fp_addr.ip4.as_u32 =
address->as_u32 ^ clib_host_to_net_u32(1);
fib_table_entry_delete (fib_index, &pfx_special, FIB_SOURCE_INTERFACE);
}
+ /* remove glean route for prefix */
+ pfx_special.fp_addr.ip4 = *address;
+ pfx_special.fp_len = address_length;
+ fib_table_entry_delete (fib_index, &pfx_special, FIB_SOURCE_INTERFACE);
+
mhash_unset (&lm->prefix_to_if_prefix_index, &key, 0 /* old_value */);
pool_put (lm->if_prefix_pool, if_prefix);
}
ip4_address_t * address, u32 address_length)
{
fib_prefix_t pfx = {
- .fp_len = address_length,
+ .fp_len = 32,
.fp_proto = FIB_PROTOCOL_IP4,
.fp_addr.ip4 = *address,
};
+ fib_table_entry_delete (fib_index, &pfx, FIB_SOURCE_INTERFACE);
+
ip4_del_interface_prefix_routes (im, sw_if_index, fib_index,
address, address_length);
-
- pfx.fp_len = 32;
- fib_table_entry_delete (fib_index, &pfx, FIB_SOURCE_INTERFACE);
}
#ifndef CLIB_MARCH_VARIANT
u32 if_address_index;
ip4_address_fib_t ip4_af, *addr_fib = 0;
- /* local0 interface doesn't support IP addressing */
- if (sw_if_index == 0)
- {
- return
- clib_error_create ("local0 interface doesn't support IP addressing");
- }
+ error = vnet_sw_interface_supports_addressing (vnm, sw_if_index);
+ if (error)
+ return error;
vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
ip4_addr_fib_init (&ip4_af, address,
ip_interface_address_t *ia;
vnet_sw_interface_t *sif;
- pool_foreach(sif, vnm->interface_main.sw_interfaces,
- ({
+ pool_foreach (sif, vnm->interface_main.sw_interfaces)
+ {
if (im->fib_index_by_sw_if_index[sw_if_index] ==
im->fib_index_by_sw_if_index[sif->sw_if_index])
{
}
}));
}
- }));
+ }
}
/* *INDENT-ON* */
}
}
-#define ip4_local_csum_is_offloaded(_b) \
- _b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM \
- || _b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM
+#define ip4_local_csum_is_offloaded(_b) \
+ ((_b->flags & VNET_BUFFER_F_OFFLOAD) && \
+ (vnet_buffer (_b)->oflags & \
+ (VNET_BUFFER_OFFLOAD_F_TCP_CKSUM | VNET_BUFFER_OFFLOAD_F_UDP_CKSUM)))
#define ip4_local_need_csum_check(is_tcp_udp, _b) \
(is_tcp_udp && !(_b->flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED \
ip4_local_check_src (vlib_buffer_t * b, ip4_header_t * ip0,
ip4_local_last_check_t * last_check, u8 * error0)
{
- ip4_fib_mtrie_leaf_t leaf0;
- ip4_fib_mtrie_t *mtrie0;
const dpo_id_t *dpo0;
load_balance_t *lb0;
u32 lbi0;
if (PREDICT_TRUE (last_check->src.as_u32 != ip0->src_address.as_u32) ||
last_check->first)
{
- mtrie0 = &ip4_fib_get (vnet_buffer (b)->ip.fib_index)->mtrie;
- leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, &ip0->src_address);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 2);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 3);
- lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
+ lbi0 = ip4_fib_forwarding_lookup (vnet_buffer (b)->ip.fib_index,
+ &ip0->src_address);
vnet_buffer (b)->ip.adj_index[VLIB_RX] =
vnet_buffer (b)->ip.adj_index[VLIB_TX];
ip4_local_check_src_x2 (vlib_buffer_t ** b, ip4_header_t ** ip,
ip4_local_last_check_t * last_check, u8 * error)
{
- ip4_fib_mtrie_leaf_t leaf[2];
- ip4_fib_mtrie_t *mtrie[2];
const dpo_id_t *dpo[2];
load_balance_t *lb[2];
u32 not_last_hit;
*/
if (PREDICT_TRUE (not_last_hit))
{
- mtrie[0] = &ip4_fib_get (vnet_buffer (b[0])->ip.fib_index)->mtrie;
- mtrie[1] = &ip4_fib_get (vnet_buffer (b[1])->ip.fib_index)->mtrie;
-
- leaf[0] = ip4_fib_mtrie_lookup_step_one (mtrie[0], &ip[0]->src_address);
- leaf[1] = ip4_fib_mtrie_lookup_step_one (mtrie[1], &ip[1]->src_address);
-
- leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0],
- &ip[0]->src_address, 2);
- leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1],
- &ip[1]->src_address, 2);
-
- leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0],
- &ip[0]->src_address, 3);
- leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1],
- &ip[1]->src_address, 3);
-
- lbi[0] = ip4_fib_mtrie_leaf_get_adj_index (leaf[0]);
- lbi[1] = ip4_fib_mtrie_leaf_get_adj_index (leaf[1]);
+ ip4_fib_forwarding_lookup_x2 (
+ vnet_buffer (b[0])->ip.fib_index, vnet_buffer (b[1])->ip.fib_index,
+ &ip[0]->src_address, &ip[1]->src_address, &lbi[0], &lbi[1]);
vnet_buffer (b[0])->ip.adj_index[VLIB_RX] =
vnet_buffer (b[0])->ip.adj_index[VLIB_TX];
vlib_prefetch_buffer_header (b[4], LOAD);
vlib_prefetch_buffer_header (b[5], LOAD);
- CLIB_PREFETCH (b[4]->data, CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (b[5]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ clib_prefetch_load (b[4]->data);
+ clib_prefetch_load (b[5]->data);
}
error[0] = error[1] = IP4_ERROR_UNKNOWN_PROTOCOL;
ttl += 1;
ip->ttl = ttl;
- ASSERT (ip->checksum == ip4_header_checksum (ip));
+ ASSERT (ip4_header_checksum_is_valid (ip));
}
/* Decrement TTL & update checksum.
}
/* Verify checksum. */
- ASSERT ((ip->checksum == ip4_header_checksum (ip)) ||
- (b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM));
+ ASSERT (ip4_header_checksum_is_valid (ip) ||
+ (vnet_buffer (b)->oflags & VNET_BUFFER_OFFLOAD_F_IP_CKSUM));
}
-
always_inline uword
-ip4_rewrite_inline_with_gso (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- int do_counters, int is_midchain, int is_mcast)
+ip4_rewrite_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_t *frame, int do_counters, int is_midchain,
+ int is_mcast)
{
ip_lookup_main_t *lm = &ip4_main.lookup_main;
u32 *from = vlib_frame_vector_args (frame);
u32 tx_sw_if_index0, tx_sw_if_index1;
u8 *p;
- vlib_prefetch_buffer_header (b[6], LOAD);
- vlib_prefetch_buffer_header (b[7], LOAD);
+ if (is_midchain)
+ {
+ vlib_prefetch_buffer_header (b[6], LOAD);
+ vlib_prefetch_buffer_header (b[7], LOAD);
+ }
adj_index0 = vnet_buffer (b[0])->ip.adj_index[VLIB_TX];
adj_index1 = vnet_buffer (b[1])->ip.adj_index[VLIB_TX];
vnet_buffer (b[1])->ip.save_rewrite_length = rw_len1;
p = vlib_buffer_get_current (b[2]);
- CLIB_PREFETCH (p - CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (p, CLIB_CACHE_LINE_BYTES, LOAD);
+ clib_prefetch_store (p - CLIB_CACHE_LINE_BYTES);
+ clib_prefetch_load (p);
p = vlib_buffer_get_current (b[3]);
- CLIB_PREFETCH (p - CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (p, CLIB_CACHE_LINE_BYTES, LOAD);
+ clib_prefetch_store (p - CLIB_CACHE_LINE_BYTES);
+ clib_prefetch_load (p);
/* Check MTU of outgoing interface. */
u16 ip0_len = clib_net_to_host_u16 (ip0->length);
if (is_midchain)
{
if (error0 == IP4_ERROR_NONE)
- adj_midchain_fixup (vm, adj0, b[0]);
+ adj_midchain_fixup (vm, adj0, b[0], VNET_LINK_IP4);
if (error1 == IP4_ERROR_NONE)
- adj_midchain_fixup (vm, adj1, b[1]);
+ adj_midchain_fixup (vm, adj1, b[1], VNET_LINK_IP4);
}
if (is_mcast)
b[0]) + rw_len0);
if (is_midchain)
- adj_midchain_fixup (vm, adj0, b[0]);
+ adj_midchain_fixup (vm, adj0, b[0], VNET_LINK_IP4);
if (is_mcast)
/* copy bytes from the IP address into the MAC rewrite */
thread_index, adj_index0, 1,
vlib_buffer_length_in_chain (vm, b[0]) + rw_len0);
- if (is_midchain && adj0->sub_type.midchain.fixup_func)
- adj0->sub_type.midchain.fixup_func
- (vm, adj0, b[0], adj0->sub_type.midchain.fixup_data);
+ if (is_midchain)
+ adj_midchain_fixup (vm, adj0, b[0], VNET_LINK_IP4);
if (is_mcast)
/* copy bytes from the IP address into the MAC rewrite */
return frame->n_vectors;
}
-always_inline uword
-ip4_rewrite_inline (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame,
- int do_counters, int is_midchain, int is_mcast)
-{
- return ip4_rewrite_inline_with_gso (vm, node, frame, do_counters,
- is_midchain, is_mcast);
-}
-
-
/** @brief IPv4 rewrite node.
@node ip4-rewrite
};
/* *INDENT-ON */
-static int
-ip4_lookup_validate (ip4_address_t * a, u32 fib_index0)
-{
- ip4_fib_mtrie_t *mtrie0;
- ip4_fib_mtrie_leaf_t leaf0;
- u32 lbi0;
-
- mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
-
- leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, a);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, a, 2);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, a, 3);
-
- lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
-
- return lbi0 == ip4_fib_table_lookup_lb (ip4_fib_get (fib_index0), a);
-}
-
-static clib_error_t *
-test_lookup_command_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- ip4_fib_t *fib;
- u32 table_id = 0;
- f64 count = 1;
- u32 n;
- int i;
- ip4_address_t ip4_base_address;
- u64 errors = 0;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "table %d", &table_id))
- {
- /* Make sure the entry exists. */
- fib = ip4_fib_get (table_id);
- if ((fib) && (fib->index != table_id))
- return clib_error_return (0, "<fib-index> %d does not exist",
- table_id);
- }
- else if (unformat (input, "count %f", &count))
- ;
-
- else if (unformat (input, "%U",
- unformat_ip4_address, &ip4_base_address))
- ;
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
-
- n = count;
-
- for (i = 0; i < n; i++)
- {
- if (!ip4_lookup_validate (&ip4_base_address, table_id))
- errors++;
-
- ip4_base_address.as_u32 =
- clib_host_to_net_u32 (1 +
- clib_net_to_host_u32 (ip4_base_address.as_u32));
- }
-
- if (errors)
- vlib_cli_output (vm, "%llu errors out of %d lookups\n", errors, n);
- else
- vlib_cli_output (vm, "No errors in %d lookups\n", n);
-
- return 0;
-}
-
-/*?
- * Perform a lookup of an IPv4 Address (or range of addresses) in the
- * given FIB table to determine if there is a conflict with the
- * adjacency table. The fib-id can be determined by using the
- * '<em>show ip fib</em>' command. If fib-id is not entered, default value
- * of 0 is used.
- *
- * @todo This command uses fib-id, other commands use table-id (not
- * just a name, they are different indexes). Would like to change this
- * to table-id for consistency.
- *
- * @cliexpar
- * Example of how to run the test lookup command:
- * @cliexstart{test lookup 172.16.1.1 table 1 count 2}
- * No errors in 2 lookups
- * @cliexend
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (lookup_test_command, static) =
-{
- .path = "test lookup",
- .short_help = "test lookup <ipv4-addr> [table <fib-id>] [count <nn>]",
- .function = test_lookup_command_fn,
-};
-/* *INDENT-ON* */
-
-#ifndef CLIB_MARCH_VARIANT
-int
-vnet_set_ip4_flow_hash (u32 table_id, u32 flow_hash_config)
-{
- u32 fib_index;
-
- fib_index = fib_table_find (FIB_PROTOCOL_IP4, table_id);
-
- if (~0 == fib_index)
- return VNET_API_ERROR_NO_SUCH_FIB;
-
- fib_table_set_flow_hash_config (fib_index, FIB_PROTOCOL_IP4,
- flow_hash_config);
-
- return 0;
-}
-#endif
-
static clib_error_t *
set_ip_flow_hash_command_fn (vlib_main_t * vm,
unformat_input_t * input,
{
if (unformat (input, "table %d", &table_id))
matched = 1;
-#define _(a,v) \
- else if (unformat (input, #a)) { flow_hash_config |= v; matched=1;}
+#define _(a, b, v) \
+ else if (unformat (input, #a)) \
+ { \
+ flow_hash_config |= v; \
+ matched = 1; \
+ }
foreach_flow_hash_bit
#undef _
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
- rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
+ rv = ip_flow_hash_set (AF_IP4, table_id, flow_hash_config);
switch (rv)
{
case 0:
};
/* *INDENT-ON* */
-static clib_error_t *
-ip4_config (vlib_main_t * vm, unformat_input_t * input)
-{
- ip4_main_t *im = &ip4_main;
- uword heapsize = 0;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "heap-size %U", unformat_memory_size, &heapsize))
- ;
- else
- return clib_error_return (0,
- "invalid heap-size parameter `%U'",
- format_unformat_error, input);
- }
-
- im->mtrie_heap_size = heapsize;
-
- return 0;
-}
-
-VLIB_EARLY_CONFIG_FUNCTION (ip4_config, "ip");
-
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff