vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2016-02-12	Performance tools, initial check-in	Dave Barach	15	-0/+6512

/* * 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. */ #include <vat/vat.h> #include <vnet/ip/ip.h> uword unformat_sw_if_index (unformat_input_t * input, va_list * args) { vat_main_t *vam = va_arg (*args, vat_main_t *); u32 *result = va_arg (*args, u32 *); u8 *if_name; uword *p; if (!unformat (input, "%s", &if_name)) return 0; p = hash_get_mem (vam->sw_if_index_by_interface_name, if_name); if (p == 0) return 0; *result = p[0]; return 1; } /* Parse an IP4 address %d.%d.%d.%d. */ uword unformat_ip4_address (unformat_input_t * input, va_list * args) { u8 *result = va_arg (*args, u8 *); unsigned a[4]; if (!unformat (input, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3])) return 0; if (a[0] >= 256 || a[1] >= 256 || a[2] >= 256 || a[3] >= 256) return 0; result[0] = a[0]; result[1] = a[1]; result[2] = a[2]; result[3] = a[3]; return 1; } uword unformat_ethernet_address (unformat_input_t * input, va_list * args) { u8 *result = va_arg (*args, u8 *); u32 i, a[6]; if (!unformat (input, "%_%x:%x:%x:%x:%x:%x%_", &a[0], &a[1], &a[2], &a[3], &a[4], &a[5])) return 0; /* Check range. */ for (i = 0; i < 6; i++) if (a[i] >= (1 << 8)) return 0; for (i = 0; i < 6; i++) result[i] = a[i]; return 1; } /* Returns ethernet type as an int in host byte order. */ uword unformat_ethernet_type_host_byte_order (unformat_input_t * input, va_list * args) { u16 *result = va_arg (*args, u16 *); int type; /* Numeric type. */ if (unformat (input, "0x%x", &type) || unformat (input, "%d", &type)) { if (type >= (1 << 16)) return 0; *result = type; return 1; } return 0; } /* Parse an IP6 address. */ uword unformat_ip6_address (unformat_input_t * input, va_list * args) { ip6_address_t *result = va_arg (*args, ip6_address_t *); u16 hex_quads[8]; uword hex_quad, n_hex_quads, hex_digit, n_hex_digits; uword c, n_colon, double_colon_index; n_hex_quads = hex_quad = n_hex_digits = n_colon = 0; double_colon_index = ARRAY_LEN (hex_quads); while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT) { hex_digit = 16; if (c >= '0' && c <= '9') hex_digit = c - '0'; else if (c >= 'a' && c <= 'f') hex_digit = c + 10 - 'a'; else if (c >= 'A' && c <= 'F') hex_digit = c + 10 - 'A'; else if (c == ':' && n_colon < 2) n_colon++; else { unformat_put_input (input); break; } /* Too many hex quads. */ if (n_hex_quads >= ARRAY_LEN (hex_quads)) return 0; if (hex_digit < 16) { hex_quad = (hex_quad << 4) | hex_digit; /* Hex quad must fit in 16 bits. */ if (n_hex_digits >= 4) return 0; n_colon = 0; n_hex_digits++; } /* Save position of :: */ if (n_colon == 2) { /* More than one :: ? */ if (double_colon_index < ARRAY_LEN (hex_quads)) return 0; double_colon_index = n_hex_quads; } if (n_colon > 0 && n_hex_digits > 0) { hex_quads[n_hex_quads++] = hex_quad; hex_quad = 0; n_hex_digits = 0; } } if (n_hex_digits > 0) hex_quads[n_hex_quads++] = hex_quad; { word i; /* Expand :: to appropriate number of zero hex quads. */ if (double_colon_index < ARRAY_LEN (hex_quads)) { word n_zero = ARRAY_LEN (hex_quads) - n_hex_quads; for (i = n_hex_quads - 1; i >= (signed) double_colon_index; i--) hex_quads[n_zero + i] = hex_quads[i]; for (i = 0; i < n_zero; i++) hex_quads[double_colon_index + i] = 0; n_hex_quads = ARRAY_LEN (hex_quads); } /* Too few hex quads given. */ if (n_hex_quads < ARRAY_LEN (hex_quads)) return 0; for (i = 0; i < ARRAY_LEN (hex_quads); i++) result->as_u16[i] = clib_host_to_net_u16 (hex_quads[i]); return 1; } } 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_ethernet_address (u8 * s, va_list * args) { u8 *a = va_arg (*args, u8 *); return format (s, "%02x:%02x:%02x:%02x:%02x:%02x", a[0], a[1], a[2], a[3], a[4], a[5]); } void vat_plugin_api_reference (void) { } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */