diff options
author | Damjan Marion <damarion@cisco.com> | 2016-12-19 23:05:39 +0100 |
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committer | Damjan Marion <damarion@cisco.com> | 2016-12-28 12:25:14 +0100 |
commit | 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 (patch) | |
tree | 5de62f8dbd3a752f5a676ca600e43d2652d1ff1a /vnet/vnet/ip/ip_source_and_port_range_check.h | |
parent | 696f1adec0df3b8f161862566dd9c86174302658 (diff) |
Reorganize source tree to use single autotools instance
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'vnet/vnet/ip/ip_source_and_port_range_check.h')
-rw-r--r-- | vnet/vnet/ip/ip_source_and_port_range_check.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/vnet/vnet/ip/ip_source_and_port_range_check.h b/vnet/vnet/ip/ip_source_and_port_range_check.h deleted file mode 100644 index fefe5ff1fd9..00000000000 --- a/vnet/vnet/ip/ip_source_and_port_range_check.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef included_ip_ip_source_and_port_range_check_h -#define included_ip_ip_source_and_port_range_check_h - - -typedef struct -{ - /* convenience */ - vlib_main_t *vlib_main; - vnet_main_t *vnet_main; -} source_range_check_main_t; - -source_range_check_main_t source_range_check_main; - -typedef enum -{ - IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT, - IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT, - IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN, - IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN, - IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS, -} ip_source_and_port_range_check_protocol_t; - -typedef struct -{ - u32 fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS]; -} ip_source_and_port_range_check_config_t; - -#define IP_SOURCE_AND_PORT_RANGE_CHECK_RANGE_LIMIT VLIB_BUFFER_PRE_DATA_SIZE/(2*sizeof(u16x8)); - -typedef struct -{ - union - { - u16x8 as_u16x8; - u16 as_u16[8]; - }; -} u16x8vec_t; - -typedef struct -{ - u16x8vec_t low; - u16x8vec_t hi; -} protocol_port_range_t; - -/** - * @brief The number of supported ranges per-data path object. - * If more ranges are required, bump this number. - */ -#define N_PORT_RANGES_PER_DPO 64 -#define N_RANGES_PER_BLOCK (sizeof(u16x8vec_t)/2) -#define N_BLOCKS_PER_DPO (N_PORT_RANGES_PER_DPO/N_RANGES_PER_BLOCK) - -/** - * @brief - * The object that is in the data-path to perform the check. - * - * Some trade-offs here; memory vs performance. - * - * performance: - * the principle factor is d-cache line misses/hits. - * so we want the data layout to minimise the d-cache misses. This - * means not following dependent reads. i.e. not doing - * - * struct B { - * u16 n_ranges; - * range_t *ragnes; // vector of ranges. - * } - * - * so to read ranges[0] we would first d-cache miss on the address - * of the object of type B, for which we would need to wait before we - * can get the address of B->ranges. - * So this layout is better: - * - * struct B { - * u16 n_ranges; - * range_t ragnes[N]; - * } - * - * memory: - * the latter layout above is more memory hungry. And N needs to be: - * 1 - sized for the maximum required - * 2 - fixed, so that objects of type B can be pool allocated and so - * 'get'-able using an index. - * An option over fixed might be to allocate contiguous chunk from - * the pool (like we used to do for multi-path adjs). - */ -typedef struct protocol_port_range_dpo_t_ -{ - /** - * The number of blocks from the 'block' array below - * that have rnages configured. We keep this count so that in the data-path - * we can limit the loop to be only over the blocks we need - */ - u16 n_used_blocks; - - /** - * The total number of free ranges from all blocks. - * Used to prevent overrun of the ranges available. - */ - u16 n_free_ranges; - - /** - * the fixed size array of ranges - */ - protocol_port_range_t blocks[N_BLOCKS_PER_DPO]; -} protocol_port_range_dpo_t; - -int ip4_source_and_port_range_check_add_del (ip4_address_t * address, - u32 length, - u32 vrf_id, - u16 * low_ports, - u16 * hi_ports, int is_add); - -// This will be moved to another file in another patch -- for API freeze -int ip6_source_and_port_range_check_add_del (ip6_address_t * address, - u32 length, - u32 vrf_id, - u16 * low_ports, - u16 * hi_ports, int is_add); - -int set_ip_source_and_port_range_check (vlib_main_t * vm, - u32 * fib_index, - u32 sw_if_index, u32 is_add); - -#endif /* included ip_source_and_port_range_check_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |