#include <vnet/dpo/load_balance_map.h>
#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/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
ip4_sw_interface_enable_disable (u32 sw_if_index, u32 is_enable)
{
ip4_main_t *im = &ip4_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
vec_validate_init_empty (im->ip_enabled_by_sw_if_index, sw_if_index, 0);
vnet_feature_enable_disable ("ip4-multicast", "ip4-not-enabled",
sw_if_index, !is_enable, 0, 0);
+ if (is_enable)
+ hi->l3_if_count++;
+ else if (hi->l3_if_count)
+ hi->l3_if_count--;
+
{
ip4_enable_disable_interface_callback_t *cb;
vec_foreach (cb, im->enable_disable_interface_callbacks)
goto done;
}
- ip_interface_address_del (lm, if_address_index, addr_fib);
+ error = ip_interface_address_del (lm, vnm, if_address_index, addr_fib,
+ address_length, sw_if_index);
+ if (error)
+ goto done;
}
else
{
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)) ||
+ ASSERT (ip4_header_checksum_is_valid (ip) ||
(b->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM));
}
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];
if (PREDICT_FALSE
(adj0[0].rewrite_header.flags & VNET_REWRITE_HAS_FEATURES))
- vnet_feature_arc_start (lm->output_feature_arc_index,
- tx_sw_if_index0, &next_index, b[0]);
+ vnet_feature_arc_start_w_cfg_index (lm->output_feature_arc_index,
+ tx_sw_if_index0,
+ &next_index, b[0],
+ adj0->ia_cfg_index);
+
next[0] = next_index;
if (is_midchain)
vnet_calc_checksums_inline (vm, b[0], 1 /* is_ip4 */ ,
- 0 /* is_ip6 */ ,
- 0 /* with gso */ );
+ 0 /* is_ip6 */ );
}
else
{
if (PREDICT_FALSE
(adj1[0].rewrite_header.flags & VNET_REWRITE_HAS_FEATURES))
- vnet_feature_arc_start (lm->output_feature_arc_index,
- tx_sw_if_index1, &next_index, b[1]);
+ vnet_feature_arc_start_w_cfg_index (lm->output_feature_arc_index,
+ tx_sw_if_index1,
+ &next_index, b[1],
+ adj1->ia_cfg_index);
next[1] = next_index;
if (is_midchain)
- vnet_calc_checksums_inline (vm, b[0], 1 /* is_ip4 */ ,
- 0 /* is_ip6 */ ,
- 0 /* with gso */ );
+ vnet_calc_checksums_inline (vm, b[1], 1 /* is_ip4 */ ,
+ 0 /* is_ip6 */ );
}
else
{
ip4_ttl_inc (b[1], ip1);
}
- /* Guess we are only writing on simple Ethernet header. */
- vnet_rewrite_two_headers (adj0[0], adj1[0],
- ip0, ip1, sizeof (ethernet_header_t));
+ if (is_midchain)
+ /* Guess we are only writing on ipv4 header. */
+ vnet_rewrite_two_headers (adj0[0], adj1[0],
+ ip0, ip1, sizeof (ip4_header_t));
+ else
+ /* Guess we are only writing on simple Ethernet header. */
+ vnet_rewrite_two_headers (adj0[0], adj1[0],
+ ip0, ip1, sizeof (ethernet_header_t));
if (do_counters)
{
if (is_midchain)
{
- if (error0 == IP4_ERROR_NONE && adj0->sub_type.midchain.fixup_func)
- adj0->sub_type.midchain.fixup_func
- (vm, adj0, b[0], adj0->sub_type.midchain.fixup_data);
- if (error1 == IP4_ERROR_NONE && adj1->sub_type.midchain.fixup_func)
- adj1->sub_type.midchain.fixup_func
- (vm, adj1, b[1], adj1->sub_type.midchain.fixup_data);
+ if (error0 == IP4_ERROR_NONE)
+ adj_midchain_fixup (vm, adj0, b[0], VNET_LINK_IP4);
+ if (error1 == IP4_ERROR_NONE)
+ adj_midchain_fixup (vm, adj1, b[1], VNET_LINK_IP4);
}
if (is_mcast)
if (PREDICT_FALSE
(adj0[0].rewrite_header.flags & VNET_REWRITE_HAS_FEATURES))
- vnet_feature_arc_start (lm->output_feature_arc_index,
- tx_sw_if_index0, &next_index, b[0]);
+ vnet_feature_arc_start_w_cfg_index (lm->output_feature_arc_index,
+ tx_sw_if_index0,
+ &next_index, b[0],
+ adj0->ia_cfg_index);
next[0] = next_index;
if (is_midchain)
- vnet_calc_checksums_inline (vm, b[0], 1 /* is_ip4 */ ,
- 0 /* is_ip6 */ ,
- 0 /* with gso */ );
+ {
+ vnet_calc_checksums_inline (vm, b[0], 1 /* is_ip4 */ ,
+ 0 /* is_ip6 */ );
- /* Guess we are only writing on simple Ethernet header. */
- vnet_rewrite_one_header (adj0[0], ip0, sizeof (ethernet_header_t));
+ /* Guess we are only writing on ipv4 header. */
+ vnet_rewrite_one_header (adj0[0], ip0, sizeof (ip4_header_t));
+ }
+ else
+ /* Guess we are only writing on simple Ethernet header. */
+ vnet_rewrite_one_header (adj0[0], ip0,
+ sizeof (ethernet_header_t));
/*
* Bump the per-adjacency counters
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 */
if (PREDICT_FALSE
(adj0[0].rewrite_header.flags & VNET_REWRITE_HAS_FEATURES))
- vnet_feature_arc_start (lm->output_feature_arc_index,
- tx_sw_if_index0, &next_index, b[0]);
+ vnet_feature_arc_start_w_cfg_index (lm->output_feature_arc_index,
+ tx_sw_if_index0,
+ &next_index, b[0],
+ adj0->ia_cfg_index);
next[0] = next_index;
if (is_midchain)
- /* this acts on the packet that is about to be encapped */
- vnet_calc_checksums_inline (vm, b[0], 1 /* is_ip4 */ ,
- 0 /* is_ip6 */ ,
- 0 /* with gso */ );
+ {
+ /* this acts on the packet that is about to be encapped */
+ vnet_calc_checksums_inline (vm, b[0], 1 /* is_ip4 */ ,
+ 0 /* is_ip6 */ );
- /* Guess we are only writing on simple Ethernet header. */
- vnet_rewrite_one_header (adj0[0], ip0, sizeof (ethernet_header_t));
+ /* Guess we are only writing on ipv4 header. */
+ vnet_rewrite_one_header (adj0[0], ip0, sizeof (ip4_header_t));
+ }
+ else
+ /* Guess we are only writing on simple Ethernet header. */
+ vnet_rewrite_one_header (adj0[0], ip0,
+ sizeof (ethernet_header_t));
if (do_counters)
vlib_increment_combined_counter
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 */
};
/* *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
*