diff options
author | 2021-02-23 08:56:27 +0000 | |
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committer | 2021-03-15 17:53:05 +0000 | |
commit | ab3151c52e3686c629c79a6447cf9df4f73d5c6d (patch) | |
tree | 9ac5439beef669ad54fda1a6779b99b7e659a48b /src/plugins/nat/pnat/pnat_test_stubs.h | |
parent | 73d9c9da6a66ca8658f4ff2a0f8421f3d755cb95 (diff) |
nat: pnat copy and clear byte instructions
Type: feature
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: I8e48bdcc4c311717e067bb0a4e0b409a2eb8e83d
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/nat/pnat/pnat_test_stubs.h')
-rw-r--r-- | src/plugins/nat/pnat/pnat_test_stubs.h | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/src/plugins/nat/pnat/pnat_test_stubs.h b/src/plugins/nat/pnat/pnat_test_stubs.h deleted file mode 100644 index 2801398407c..00000000000 --- a/src/plugins/nat/pnat/pnat_test_stubs.h +++ /dev/null @@ -1,214 +0,0 @@ -/* - * Copyright (c) 2021 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_pnat_test_stubs_h -#define included_pnat_test_stubs_h - -void os_panic(void) {} -void os_exit(int code) {} -u32 ip4_fib_table_get_index_for_sw_if_index(u32 sw_if_index) { return 0; } -#include <vpp/stats/stat_segment.h> -clib_error_t *stat_segment_register_gauge(u8 *names, - stat_segment_update_fn update_fn, - u32 index) { - return 0; -}; -#include <vnet/feature/feature.h> -vnet_feature_main_t feature_main; -void classify_get_trace_chain(void){}; - -/* Format an IP4 address. */ -u8 *format_ip4_address(u8 *s, va_list *args) { - u8 *a = va_arg(*args, u8 *); - return format(s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); -} - -u8 *format_pnat_5tuple(u8 *s, va_list *args) { return 0; } - -vl_counter_t pnat_error_counters[10]; - -int ip4_sv_reass_enable_disable_with_refcnt(u32 sw_if_index, int is_enable) { - return 0; -} -int ip4_sv_reass_output_enable_disable_with_refcnt(u32 sw_if_index, - int is_enable) { - return 0; -} -int vnet_feature_enable_disable(const char *arc_name, const char *node_name, - u32 sw_if_index, int enable_disable, - void *feature_config, - u32 n_feature_config_bytes) { - return 0; -} -vnet_main_t *vnet_get_main(void) { return 0; } - -static struct { - vec_header_t h; - vlib_main_t *vm; -} __attribute__((packed)) __bootstrap_vlib_main_vector - __attribute__((aligned(CLIB_CACHE_LINE_BYTES))) = { - .h.len = 1, - .vm = &vlib_global_main, -}; - -vlib_main_t **vlib_mains = &__bootstrap_vlib_main_vector.vm; - -/* Compute TCP/UDP/ICMP4 checksum in software. */ -u16 ip4_tcp_udp_compute_checksum(vlib_main_t *vm, vlib_buffer_t *p0, - ip4_header_t *ip0) { - ip_csum_t sum0; - u32 ip_header_length, payload_length_host_byte_order; - - /* Initialize checksum with ip header. */ - ip_header_length = ip4_header_bytes(ip0); - payload_length_host_byte_order = - clib_net_to_host_u16(ip0->length) - ip_header_length; - sum0 = clib_host_to_net_u32(payload_length_host_byte_order + - (ip0->protocol << 16)); - - if (BITS(uword) == 32) { - sum0 = ip_csum_with_carry(sum0, - clib_mem_unaligned(&ip0->src_address, u32)); - sum0 = ip_csum_with_carry(sum0, - clib_mem_unaligned(&ip0->dst_address, u32)); - } else - sum0 = ip_csum_with_carry(sum0, - clib_mem_unaligned(&ip0->src_address, u64)); - return ip_calculate_l4_checksum(vm, p0, sum0, - payload_length_host_byte_order, (u8 *)ip0, - ip_header_length, NULL); -} - -u32 ip4_tcp_udp_validate_checksum(vlib_main_t *vm, vlib_buffer_t *p0) { - ip4_header_t *ip0 = vlib_buffer_get_current(p0); - udp_header_t *udp0; - u16 sum16; - - ASSERT(ip0->protocol == IP_PROTOCOL_TCP || - ip0->protocol == IP_PROTOCOL_UDP); - - udp0 = (void *)(ip0 + 1); - if (ip0->protocol == IP_PROTOCOL_UDP && udp0->checksum == 0) { - p0->flags |= (VNET_BUFFER_F_L4_CHECKSUM_COMPUTED | - VNET_BUFFER_F_L4_CHECKSUM_CORRECT); - return p0->flags; - } - - sum16 = ip4_tcp_udp_compute_checksum(vm, p0, ip0); - - p0->flags |= (VNET_BUFFER_F_L4_CHECKSUM_COMPUTED | - ((sum16 == 0) << VNET_BUFFER_F_LOG2_L4_CHECKSUM_CORRECT)); - - return p0->flags; -} -u8 *format_tcp_header(u8 *s, va_list *args) { - tcp_header_t *tcp = va_arg(*args, tcp_header_t *); - u32 max_header_bytes = va_arg(*args, u32); - u32 header_bytes; - u32 indent; - - /* Nothing to do. */ - if (max_header_bytes < sizeof(tcp[0])) - return format(s, "TCP header truncated"); - - indent = format_get_indent(s); - indent += 2; - header_bytes = tcp_header_bytes(tcp); - - s = format(s, "TCP: %d -> %d", clib_net_to_host_u16(tcp->src), - clib_net_to_host_u16(tcp->dst)); - - s = format(s, "\n%Useq. 0x%08x ack 0x%08x", format_white_space, indent, - clib_net_to_host_u32(tcp->seq_number), - clib_net_to_host_u32(tcp->ack_number)); - - s = format(s, "\n%Utcp header: %d bytes", format_white_space, indent, - tcp->flags, header_bytes); - - s = format(s, "\n%Uwindow %d, checksum 0x%04x", format_white_space, indent, - clib_net_to_host_u16(tcp->window), - clib_net_to_host_u16(tcp->checksum)); - return s; -} - -/* Format an IP4 header. */ -u8 *format_ip4_header(u8 *s, va_list *args) { - ip4_header_t *ip = va_arg(*args, ip4_header_t *); - u32 max_header_bytes = va_arg(*args, u32); - u32 ip_version, header_bytes; - u32 indent; - - /* Nothing to do. */ - if (max_header_bytes < sizeof(ip[0])) - return format(s, "IP header truncated"); - - indent = format_get_indent(s); - indent += 2; - - ip_version = (ip->ip_version_and_header_length >> 4); - header_bytes = (ip->ip_version_and_header_length & 0xf) * sizeof(u32); - - s = format(s, "%d: %U -> %U", ip->protocol, format_ip4_address, - ip->src_address.data, format_ip4_address, ip->dst_address.data); - - /* Show IP version and header length only with unexpected values. */ - if (ip_version != 4 || header_bytes != sizeof(ip4_header_t)) - s = format(s, "\n%Uversion %d, header length %d", format_white_space, - indent, ip_version, header_bytes); - - s = format(s, "\n%Utos 0x%02x, ttl %d, length %d, checksum 0x%04x", - format_white_space, indent, ip->tos, ip->ttl, - clib_net_to_host_u16(ip->length), - clib_net_to_host_u16(ip->checksum)); - - /* Check and report invalid checksums. */ - { - if (!ip4_header_checksum_is_valid(ip)) - s = format(s, " (should be 0x%04x)", - clib_net_to_host_u16(ip4_header_checksum(ip))); - } - - { - u32 f = clib_net_to_host_u16(ip->flags_and_fragment_offset); - u32 o; - - s = format(s, "\n%Ufragment id 0x%04x", format_white_space, indent, - clib_net_to_host_u16(ip->fragment_id)); - - /* Fragment offset. */ - o = 8 * (f & 0x1fff); - f ^= f & 0x1fff; - if (o != 0) - s = format(s, " offset %d", o); - - if (f != 0) { - s = format(s, ", flags "); -#define _(l) \ - if (f & IP4_HEADER_FLAG_##l) \ - s = format(s, #l); - _(MORE_FRAGMENTS); - _(DONT_FRAGMENT); - _(CONGESTION); -#undef _ - } - /* Fragment packet but not the first. */ - if (o != 0) - return s; - } - - return s; -} - -#endif |