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Diffstat (limited to 'tools/testing/selftests/net/ioam6_parser.c')
-rw-r--r--tools/testing/selftests/net/ioam6_parser.c1087
1 files changed, 757 insertions, 330 deletions
diff --git a/tools/testing/selftests/net/ioam6_parser.c b/tools/testing/selftests/net/ioam6_parser.c
index 895e5bb5044b..de4b5c9e8a74 100644
--- a/tools/testing/selftests/net/ioam6_parser.c
+++ b/tools/testing/selftests/net/ioam6_parser.c
@@ -8,8 +8,10 @@
#include <errno.h>
#include <limits.h>
#include <linux/const.h>
+#include <linux/if_ether.h>
#include <linux/ioam6.h>
#include <linux/ipv6.h>
+#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
@@ -40,7 +42,7 @@ static struct ioam_config node1 = {
.egr_id = 101,
.ingr_wide = 0xffffffff, /* default value */
.egr_wide = 101101,
- .ns_data = 0xdeadbee0,
+ .ns_data = 0xdeadbeef,
.ns_wide = 0xcafec0caf00dc0de,
.sc_id = 777,
.sc_data = "something that will be 4n-aligned",
@@ -54,33 +56,22 @@ static struct ioam_config node2 = {
.egr_id = 202,
.ingr_wide = 201201,
.egr_wide = 202202,
- .ns_data = 0xdeadbee1,
- .ns_wide = 0xcafec0caf11dc0de,
- .sc_id = 666,
- .sc_data = "Hello there -Obi",
- .hlim = 63,
-};
-
-static struct ioam_config node3 = {
- .id = 3,
- .wide = 33333333,
- .ingr_id = 301,
- .egr_id = 0xffff, /* default value */
- .ingr_wide = 301301,
- .egr_wide = 0xffffffff, /* default value */
- .ns_data = 0xdeadbee2,
- .ns_wide = 0xcafec0caf22dc0de,
+ .ns_data = 0xffffffff, /* default value */
+ .ns_wide = 0xffffffffffffffff, /* default value */
.sc_id = 0xffffff, /* default value */
.sc_data = NULL,
- .hlim = 62,
+ .hlim = 63,
};
enum {
/**********
* OUTPUT *
**********/
+ __TEST_OUT_MIN,
+
TEST_OUT_UNDEF_NS,
TEST_OUT_NO_ROOM,
+ TEST_OUT_NO_ROOM_OSS,
TEST_OUT_BIT0,
TEST_OUT_BIT1,
TEST_OUT_BIT2,
@@ -94,13 +85,80 @@ enum {
TEST_OUT_BIT10,
TEST_OUT_BIT11,
TEST_OUT_BIT22,
+ TEST_OUT_SIZE4,
+ TEST_OUT_SIZE8,
+ TEST_OUT_SIZE12,
+ TEST_OUT_SIZE16,
+ TEST_OUT_SIZE20,
+ TEST_OUT_SIZE24,
+ TEST_OUT_SIZE28,
+ TEST_OUT_SIZE32,
+ TEST_OUT_SIZE36,
+ TEST_OUT_SIZE40,
+ TEST_OUT_SIZE44,
+ TEST_OUT_SIZE48,
+ TEST_OUT_SIZE52,
+ TEST_OUT_SIZE56,
+ TEST_OUT_SIZE60,
+ TEST_OUT_SIZE64,
+ TEST_OUT_SIZE68,
+ TEST_OUT_SIZE72,
+ TEST_OUT_SIZE76,
+ TEST_OUT_SIZE80,
+ TEST_OUT_SIZE84,
+ TEST_OUT_SIZE88,
+ TEST_OUT_SIZE92,
+ TEST_OUT_SIZE96,
+ TEST_OUT_SIZE100,
+ TEST_OUT_SIZE104,
+ TEST_OUT_SIZE108,
+ TEST_OUT_SIZE112,
+ TEST_OUT_SIZE116,
+ TEST_OUT_SIZE120,
+ TEST_OUT_SIZE124,
+ TEST_OUT_SIZE128,
+ TEST_OUT_SIZE132,
+ TEST_OUT_SIZE136,
+ TEST_OUT_SIZE140,
+ TEST_OUT_SIZE144,
+ TEST_OUT_SIZE148,
+ TEST_OUT_SIZE152,
+ TEST_OUT_SIZE156,
+ TEST_OUT_SIZE160,
+ TEST_OUT_SIZE164,
+ TEST_OUT_SIZE168,
+ TEST_OUT_SIZE172,
+ TEST_OUT_SIZE176,
+ TEST_OUT_SIZE180,
+ TEST_OUT_SIZE184,
+ TEST_OUT_SIZE188,
+ TEST_OUT_SIZE192,
+ TEST_OUT_SIZE196,
+ TEST_OUT_SIZE200,
+ TEST_OUT_SIZE204,
+ TEST_OUT_SIZE208,
+ TEST_OUT_SIZE212,
+ TEST_OUT_SIZE216,
+ TEST_OUT_SIZE220,
+ TEST_OUT_SIZE224,
+ TEST_OUT_SIZE228,
+ TEST_OUT_SIZE232,
+ TEST_OUT_SIZE236,
+ TEST_OUT_SIZE240,
+ TEST_OUT_SIZE244,
TEST_OUT_FULL_SUPP_TRACE,
+ __TEST_OUT_MAX,
+
/*********
* INPUT *
*********/
+ __TEST_IN_MIN,
+
TEST_IN_UNDEF_NS,
TEST_IN_NO_ROOM,
+ TEST_IN_NO_ROOM_OSS,
+ TEST_IN_DISABLED,
TEST_IN_OFLAG,
TEST_IN_BIT0,
TEST_IN_BIT1,
@@ -115,36 +173,107 @@ enum {
TEST_IN_BIT10,
TEST_IN_BIT11,
TEST_IN_BIT22,
+ TEST_IN_SIZE4,
+ TEST_IN_SIZE8,
+ TEST_IN_SIZE12,
+ TEST_IN_SIZE16,
+ TEST_IN_SIZE20,
+ TEST_IN_SIZE24,
+ TEST_IN_SIZE28,
+ TEST_IN_SIZE32,
+ TEST_IN_SIZE36,
+ TEST_IN_SIZE40,
+ TEST_IN_SIZE44,
+ TEST_IN_SIZE48,
+ TEST_IN_SIZE52,
+ TEST_IN_SIZE56,
+ TEST_IN_SIZE60,
+ TEST_IN_SIZE64,
+ TEST_IN_SIZE68,
+ TEST_IN_SIZE72,
+ TEST_IN_SIZE76,
+ TEST_IN_SIZE80,
+ TEST_IN_SIZE84,
+ TEST_IN_SIZE88,
+ TEST_IN_SIZE92,
+ TEST_IN_SIZE96,
+ TEST_IN_SIZE100,
+ TEST_IN_SIZE104,
+ TEST_IN_SIZE108,
+ TEST_IN_SIZE112,
+ TEST_IN_SIZE116,
+ TEST_IN_SIZE120,
+ TEST_IN_SIZE124,
+ TEST_IN_SIZE128,
+ TEST_IN_SIZE132,
+ TEST_IN_SIZE136,
+ TEST_IN_SIZE140,
+ TEST_IN_SIZE144,
+ TEST_IN_SIZE148,
+ TEST_IN_SIZE152,
+ TEST_IN_SIZE156,
+ TEST_IN_SIZE160,
+ TEST_IN_SIZE164,
+ TEST_IN_SIZE168,
+ TEST_IN_SIZE172,
+ TEST_IN_SIZE176,
+ TEST_IN_SIZE180,
+ TEST_IN_SIZE184,
+ TEST_IN_SIZE188,
+ TEST_IN_SIZE192,
+ TEST_IN_SIZE196,
+ TEST_IN_SIZE200,
+ TEST_IN_SIZE204,
+ TEST_IN_SIZE208,
+ TEST_IN_SIZE212,
+ TEST_IN_SIZE216,
+ TEST_IN_SIZE220,
+ TEST_IN_SIZE224,
+ TEST_IN_SIZE228,
+ TEST_IN_SIZE232,
+ TEST_IN_SIZE236,
+ TEST_IN_SIZE240,
+ TEST_IN_SIZE244,
TEST_IN_FULL_SUPP_TRACE,
- /**********
- * GLOBAL *
- **********/
- TEST_FWD_FULL_SUPP_TRACE,
+ __TEST_IN_MAX,
__TEST_MAX,
};
-static int check_ioam_header(int tid, struct ioam6_trace_hdr *ioam6h,
- __u32 trace_type, __u16 ioam_ns)
+static int check_header(int tid, struct ioam6_trace_hdr *trace,
+ __u32 trace_type, __u8 trace_size, __u16 ioam_ns)
{
- if (__be16_to_cpu(ioam6h->namespace_id) != ioam_ns ||
- __be32_to_cpu(ioam6h->type_be32) != (trace_type << 8))
+ if (__be16_to_cpu(trace->namespace_id) != ioam_ns ||
+ __be32_to_cpu(trace->type_be32) != (trace_type << 8))
return 1;
switch (tid) {
case TEST_OUT_UNDEF_NS:
case TEST_IN_UNDEF_NS:
- return ioam6h->overflow ||
- ioam6h->nodelen != 1 ||
- ioam6h->remlen != 1;
+ case TEST_IN_DISABLED:
+ return trace->overflow == 1 ||
+ trace->nodelen != 1 ||
+ trace->remlen != 1;
case TEST_OUT_NO_ROOM:
case TEST_IN_NO_ROOM:
case TEST_IN_OFLAG:
- return !ioam6h->overflow ||
- ioam6h->nodelen != 2 ||
- ioam6h->remlen != 1;
+ return trace->overflow == 0 ||
+ trace->nodelen != 2 ||
+ trace->remlen != 1;
+
+ case TEST_OUT_NO_ROOM_OSS:
+ return trace->overflow == 0 ||
+ trace->nodelen != 0 ||
+ trace->remlen != 1;
+
+ case TEST_IN_NO_ROOM_OSS:
+ case TEST_OUT_BIT22:
+ case TEST_IN_BIT22:
+ return trace->overflow == 1 ||
+ trace->nodelen != 0 ||
+ trace->remlen != 0;
case TEST_OUT_BIT0:
case TEST_IN_BIT0:
@@ -164,9 +293,9 @@ static int check_ioam_header(int tid, struct ioam6_trace_hdr *ioam6h,
case TEST_IN_BIT7:
case TEST_OUT_BIT11:
case TEST_IN_BIT11:
- return ioam6h->overflow ||
- ioam6h->nodelen != 1 ||
- ioam6h->remlen;
+ return trace->overflow == 1 ||
+ trace->nodelen != 1 ||
+ trace->remlen != 0;
case TEST_OUT_BIT8:
case TEST_IN_BIT8:
@@ -174,22 +303,145 @@ static int check_ioam_header(int tid, struct ioam6_trace_hdr *ioam6h,
case TEST_IN_BIT9:
case TEST_OUT_BIT10:
case TEST_IN_BIT10:
- return ioam6h->overflow ||
- ioam6h->nodelen != 2 ||
- ioam6h->remlen;
-
- case TEST_OUT_BIT22:
- case TEST_IN_BIT22:
- return ioam6h->overflow ||
- ioam6h->nodelen ||
- ioam6h->remlen;
+ return trace->overflow == 1 ||
+ trace->nodelen != 2 ||
+ trace->remlen != 0;
+
+ case TEST_OUT_SIZE4:
+ case TEST_OUT_SIZE8:
+ case TEST_OUT_SIZE12:
+ case TEST_OUT_SIZE16:
+ case TEST_OUT_SIZE20:
+ case TEST_OUT_SIZE24:
+ case TEST_OUT_SIZE28:
+ case TEST_OUT_SIZE32:
+ case TEST_OUT_SIZE36:
+ case TEST_OUT_SIZE40:
+ case TEST_OUT_SIZE44:
+ case TEST_OUT_SIZE48:
+ case TEST_OUT_SIZE52:
+ case TEST_OUT_SIZE56:
+ case TEST_OUT_SIZE60:
+ case TEST_OUT_SIZE64:
+ case TEST_OUT_SIZE68:
+ case TEST_OUT_SIZE72:
+ case TEST_OUT_SIZE76:
+ case TEST_OUT_SIZE80:
+ case TEST_OUT_SIZE84:
+ case TEST_OUT_SIZE88:
+ case TEST_OUT_SIZE92:
+ case TEST_OUT_SIZE96:
+ case TEST_OUT_SIZE100:
+ case TEST_OUT_SIZE104:
+ case TEST_OUT_SIZE108:
+ case TEST_OUT_SIZE112:
+ case TEST_OUT_SIZE116:
+ case TEST_OUT_SIZE120:
+ case TEST_OUT_SIZE124:
+ case TEST_OUT_SIZE128:
+ case TEST_OUT_SIZE132:
+ case TEST_OUT_SIZE136:
+ case TEST_OUT_SIZE140:
+ case TEST_OUT_SIZE144:
+ case TEST_OUT_SIZE148:
+ case TEST_OUT_SIZE152:
+ case TEST_OUT_SIZE156:
+ case TEST_OUT_SIZE160:
+ case TEST_OUT_SIZE164:
+ case TEST_OUT_SIZE168:
+ case TEST_OUT_SIZE172:
+ case TEST_OUT_SIZE176:
+ case TEST_OUT_SIZE180:
+ case TEST_OUT_SIZE184:
+ case TEST_OUT_SIZE188:
+ case TEST_OUT_SIZE192:
+ case TEST_OUT_SIZE196:
+ case TEST_OUT_SIZE200:
+ case TEST_OUT_SIZE204:
+ case TEST_OUT_SIZE208:
+ case TEST_OUT_SIZE212:
+ case TEST_OUT_SIZE216:
+ case TEST_OUT_SIZE220:
+ case TEST_OUT_SIZE224:
+ case TEST_OUT_SIZE228:
+ case TEST_OUT_SIZE232:
+ case TEST_OUT_SIZE236:
+ case TEST_OUT_SIZE240:
+ case TEST_OUT_SIZE244:
+ return trace->overflow == 1 ||
+ trace->nodelen != 1 ||
+ trace->remlen != trace_size / 4;
+
+ case TEST_IN_SIZE4:
+ case TEST_IN_SIZE8:
+ case TEST_IN_SIZE12:
+ case TEST_IN_SIZE16:
+ case TEST_IN_SIZE20:
+ case TEST_IN_SIZE24:
+ case TEST_IN_SIZE28:
+ case TEST_IN_SIZE32:
+ case TEST_IN_SIZE36:
+ case TEST_IN_SIZE40:
+ case TEST_IN_SIZE44:
+ case TEST_IN_SIZE48:
+ case TEST_IN_SIZE52:
+ case TEST_IN_SIZE56:
+ case TEST_IN_SIZE60:
+ case TEST_IN_SIZE64:
+ case TEST_IN_SIZE68:
+ case TEST_IN_SIZE72:
+ case TEST_IN_SIZE76:
+ case TEST_IN_SIZE80:
+ case TEST_IN_SIZE84:
+ case TEST_IN_SIZE88:
+ case TEST_IN_SIZE92:
+ case TEST_IN_SIZE96:
+ case TEST_IN_SIZE100:
+ case TEST_IN_SIZE104:
+ case TEST_IN_SIZE108:
+ case TEST_IN_SIZE112:
+ case TEST_IN_SIZE116:
+ case TEST_IN_SIZE120:
+ case TEST_IN_SIZE124:
+ case TEST_IN_SIZE128:
+ case TEST_IN_SIZE132:
+ case TEST_IN_SIZE136:
+ case TEST_IN_SIZE140:
+ case TEST_IN_SIZE144:
+ case TEST_IN_SIZE148:
+ case TEST_IN_SIZE152:
+ case TEST_IN_SIZE156:
+ case TEST_IN_SIZE160:
+ case TEST_IN_SIZE164:
+ case TEST_IN_SIZE168:
+ case TEST_IN_SIZE172:
+ case TEST_IN_SIZE176:
+ case TEST_IN_SIZE180:
+ case TEST_IN_SIZE184:
+ case TEST_IN_SIZE188:
+ case TEST_IN_SIZE192:
+ case TEST_IN_SIZE196:
+ case TEST_IN_SIZE200:
+ case TEST_IN_SIZE204:
+ case TEST_IN_SIZE208:
+ case TEST_IN_SIZE212:
+ case TEST_IN_SIZE216:
+ case TEST_IN_SIZE220:
+ case TEST_IN_SIZE224:
+ case TEST_IN_SIZE228:
+ case TEST_IN_SIZE232:
+ case TEST_IN_SIZE236:
+ case TEST_IN_SIZE240:
+ case TEST_IN_SIZE244:
+ return trace->overflow == 1 ||
+ trace->nodelen != 1 ||
+ trace->remlen != (trace_size / 4) - trace->nodelen;
case TEST_OUT_FULL_SUPP_TRACE:
case TEST_IN_FULL_SUPP_TRACE:
- case TEST_FWD_FULL_SUPP_TRACE:
- return ioam6h->overflow ||
- ioam6h->nodelen != 15 ||
- ioam6h->remlen;
+ return trace->overflow == 1 ||
+ trace->nodelen != 15 ||
+ trace->remlen != 0;
default:
break;
@@ -198,167 +450,137 @@ static int check_ioam_header(int tid, struct ioam6_trace_hdr *ioam6h,
return 1;
}
-static int check_ioam6_data(__u8 **p, struct ioam6_trace_hdr *ioam6h,
- const struct ioam_config cnf)
+static int check_data(struct ioam6_trace_hdr *trace, __u8 trace_size,
+ const struct ioam_config cnf, bool is_output)
{
- unsigned int len;
+ unsigned int len, i;
__u8 aligned;
__u64 raw64;
__u32 raw32;
+ __u8 *p;
- if (ioam6h->type.bit0) {
- raw32 = __be32_to_cpu(*((__u32 *)*p));
- if (cnf.hlim != (raw32 >> 24) || cnf.id != (raw32 & 0xffffff))
- return 1;
- *p += sizeof(__u32);
- }
-
- if (ioam6h->type.bit1) {
- raw32 = __be32_to_cpu(*((__u32 *)*p));
- if (cnf.ingr_id != (raw32 >> 16) ||
- cnf.egr_id != (raw32 & 0xffff))
- return 1;
- *p += sizeof(__u32);
- }
-
- if (ioam6h->type.bit2)
- *p += sizeof(__u32);
-
- if (ioam6h->type.bit3)
- *p += sizeof(__u32);
-
- if (ioam6h->type.bit4) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
- return 1;
- *p += sizeof(__u32);
- }
-
- if (ioam6h->type.bit5) {
- if (__be32_to_cpu(*((__u32 *)*p)) != cnf.ns_data)
- return 1;
- *p += sizeof(__u32);
- }
-
- if (ioam6h->type.bit6)
- *p += sizeof(__u32);
+ if (trace->type.bit12 | trace->type.bit13 | trace->type.bit14 |
+ trace->type.bit15 | trace->type.bit16 | trace->type.bit17 |
+ trace->type.bit18 | trace->type.bit19 | trace->type.bit20 |
+ trace->type.bit21 | trace->type.bit23)
+ return 1;
- if (ioam6h->type.bit7) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ for (i = 0; i < trace->remlen * 4; i++) {
+ if (trace->data[i] != 0)
return 1;
- *p += sizeof(__u32);
}
- if (ioam6h->type.bit8) {
- raw64 = __be64_to_cpu(*((__u64 *)*p));
- if (cnf.hlim != (raw64 >> 56) ||
- cnf.wide != (raw64 & 0xffffffffffffff))
- return 1;
- *p += sizeof(__u64);
- }
+ if (trace->remlen * 4 == trace_size)
+ return 0;
- if (ioam6h->type.bit9) {
- if (__be32_to_cpu(*((__u32 *)*p)) != cnf.ingr_wide)
- return 1;
- *p += sizeof(__u32);
+ p = trace->data + trace->remlen * 4;
- if (__be32_to_cpu(*((__u32 *)*p)) != cnf.egr_wide)
+ if (trace->type.bit0) {
+ raw32 = __be32_to_cpu(*((__u32 *)p));
+ if (cnf.hlim != (raw32 >> 24) || cnf.id != (raw32 & 0xffffff))
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit10) {
- if (__be64_to_cpu(*((__u64 *)*p)) != cnf.ns_wide)
+ if (trace->type.bit1) {
+ raw32 = __be32_to_cpu(*((__u32 *)p));
+ if (cnf.ingr_id != (raw32 >> 16) ||
+ cnf.egr_id != (raw32 & 0xffff))
return 1;
- *p += sizeof(__u64);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit11) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit2) {
+ raw32 = __be32_to_cpu(*((__u32 *)p));
+ if ((is_output && raw32 != 0xffffffff) ||
+ (!is_output && (raw32 == 0 || raw32 == 0xffffffff)))
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit12) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit3) {
+ raw32 = __be32_to_cpu(*((__u32 *)p));
+ if ((is_output && raw32 != 0xffffffff) ||
+ (!is_output && (raw32 == 0 || raw32 == 0xffffffff)))
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit13) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit4) {
+ if (__be32_to_cpu(*((__u32 *)p)) != 0xffffffff)
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit14) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit5) {
+ if (__be32_to_cpu(*((__u32 *)p)) != cnf.ns_data)
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit15) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit6) {
+ if (__be32_to_cpu(*((__u32 *)p)) == 0xffffffff)
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit16) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit7) {
+ if (__be32_to_cpu(*((__u32 *)p)) != 0xffffffff)
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit17) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit8) {
+ raw64 = __be64_to_cpu(*((__u64 *)p));
+ if (cnf.hlim != (raw64 >> 56) ||
+ cnf.wide != (raw64 & 0xffffffffffffff))
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u64);
}
- if (ioam6h->type.bit18) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit9) {
+ if (__be32_to_cpu(*((__u32 *)p)) != cnf.ingr_wide)
return 1;
- *p += sizeof(__u32);
- }
+ p += sizeof(__u32);
- if (ioam6h->type.bit19) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (__be32_to_cpu(*((__u32 *)p)) != cnf.egr_wide)
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit20) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit10) {
+ if (__be64_to_cpu(*((__u64 *)p)) != cnf.ns_wide)
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u64);
}
- if (ioam6h->type.bit21) {
- if (__be32_to_cpu(*((__u32 *)*p)) != 0xffffffff)
+ if (trace->type.bit11) {
+ if (__be32_to_cpu(*((__u32 *)p)) != 0xffffffff)
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
}
- if (ioam6h->type.bit22) {
+ if (trace->type.bit22) {
len = cnf.sc_data ? strlen(cnf.sc_data) : 0;
aligned = cnf.sc_data ? __ALIGN_KERNEL(len, 4) : 0;
- raw32 = __be32_to_cpu(*((__u32 *)*p));
+ raw32 = __be32_to_cpu(*((__u32 *)p));
if (aligned != (raw32 >> 24) * 4 ||
cnf.sc_id != (raw32 & 0xffffff))
return 1;
- *p += sizeof(__u32);
+ p += sizeof(__u32);
if (cnf.sc_data) {
- if (strncmp((char *)*p, cnf.sc_data, len))
+ if (strncmp((char *)p, cnf.sc_data, len))
return 1;
- *p += len;
+ p += len;
aligned -= len;
while (aligned--) {
- if (**p != '\0')
+ if (*p != '\0')
return 1;
- *p += sizeof(__u8);
+ p += sizeof(__u8);
}
}
}
@@ -366,151 +588,351 @@ static int check_ioam6_data(__u8 **p, struct ioam6_trace_hdr *ioam6h,
return 0;
}
-static int check_ioam_header_and_data(int tid, struct ioam6_trace_hdr *ioam6h,
- __u32 trace_type, __u16 ioam_ns)
+static int check_ioam_trace(int tid, struct ioam6_trace_hdr *trace,
+ __u32 trace_type, __u8 trace_size, __u16 ioam_ns)
{
- __u8 *p;
-
- if (check_ioam_header(tid, ioam6h, trace_type, ioam_ns))
+ if (check_header(tid, trace, trace_type, trace_size, ioam_ns))
return 1;
- p = ioam6h->data + ioam6h->remlen * 4;
-
- switch (tid) {
- case TEST_OUT_BIT0:
- case TEST_OUT_BIT1:
- case TEST_OUT_BIT2:
- case TEST_OUT_BIT3:
- case TEST_OUT_BIT4:
- case TEST_OUT_BIT5:
- case TEST_OUT_BIT6:
- case TEST_OUT_BIT7:
- case TEST_OUT_BIT8:
- case TEST_OUT_BIT9:
- case TEST_OUT_BIT10:
- case TEST_OUT_BIT11:
- case TEST_OUT_BIT22:
- case TEST_OUT_FULL_SUPP_TRACE:
- return check_ioam6_data(&p, ioam6h, node1);
-
- case TEST_IN_BIT0:
- case TEST_IN_BIT1:
- case TEST_IN_BIT2:
- case TEST_IN_BIT3:
- case TEST_IN_BIT4:
- case TEST_IN_BIT5:
- case TEST_IN_BIT6:
- case TEST_IN_BIT7:
- case TEST_IN_BIT8:
- case TEST_IN_BIT9:
- case TEST_IN_BIT10:
- case TEST_IN_BIT11:
- case TEST_IN_BIT22:
- case TEST_IN_FULL_SUPP_TRACE:
- {
- __u32 tmp32 = node2.egr_wide;
- __u16 tmp16 = node2.egr_id;
- int res;
-
- node2.egr_id = 0xffff;
- node2.egr_wide = 0xffffffff;
+ if (tid > __TEST_OUT_MIN && tid < __TEST_OUT_MAX)
+ return check_data(trace, trace_size, node1, true);
- res = check_ioam6_data(&p, ioam6h, node2);
-
- node2.egr_id = tmp16;
- node2.egr_wide = tmp32;
-
- return res;
- }
-
- case TEST_FWD_FULL_SUPP_TRACE:
- if (check_ioam6_data(&p, ioam6h, node3))
- return 1;
- if (check_ioam6_data(&p, ioam6h, node2))
- return 1;
- return check_ioam6_data(&p, ioam6h, node1);
-
- default:
- break;
- }
+ if (tid > __TEST_IN_MIN && tid < __TEST_IN_MAX)
+ return check_data(trace, trace_size, node2, false);
return 1;
}
static int str2id(const char *tname)
{
- if (!strcmp("out_undef_ns", tname))
+ if (!strcmp("output_undef_ns", tname))
return TEST_OUT_UNDEF_NS;
- if (!strcmp("out_no_room", tname))
+ if (!strcmp("output_no_room", tname))
return TEST_OUT_NO_ROOM;
- if (!strcmp("out_bit0", tname))
+ if (!strcmp("output_no_room_oss", tname))
+ return TEST_OUT_NO_ROOM_OSS;
+ if (!strcmp("output_bit0", tname))
return TEST_OUT_BIT0;
- if (!strcmp("out_bit1", tname))
+ if (!strcmp("output_bit1", tname))
return TEST_OUT_BIT1;
- if (!strcmp("out_bit2", tname))
+ if (!strcmp("output_bit2", tname))
return TEST_OUT_BIT2;
- if (!strcmp("out_bit3", tname))
+ if (!strcmp("output_bit3", tname))
return TEST_OUT_BIT3;
- if (!strcmp("out_bit4", tname))
+ if (!strcmp("output_bit4", tname))
return TEST_OUT_BIT4;
- if (!strcmp("out_bit5", tname))
+ if (!strcmp("output_bit5", tname))
return TEST_OUT_BIT5;
- if (!strcmp("out_bit6", tname))
+ if (!strcmp("output_bit6", tname))
return TEST_OUT_BIT6;
- if (!strcmp("out_bit7", tname))
+ if (!strcmp("output_bit7", tname))
return TEST_OUT_BIT7;
- if (!strcmp("out_bit8", tname))
+ if (!strcmp("output_bit8", tname))
return TEST_OUT_BIT8;
- if (!strcmp("out_bit9", tname))
+ if (!strcmp("output_bit9", tname))
return TEST_OUT_BIT9;
- if (!strcmp("out_bit10", tname))
+ if (!strcmp("output_bit10", tname))
return TEST_OUT_BIT10;
- if (!strcmp("out_bit11", tname))
+ if (!strcmp("output_bit11", tname))
return TEST_OUT_BIT11;
- if (!strcmp("out_bit22", tname))
+ if (!strcmp("output_bit22", tname))
return TEST_OUT_BIT22;
- if (!strcmp("out_full_supp_trace", tname))
+ if (!strcmp("output_size4", tname))
+ return TEST_OUT_SIZE4;
+ if (!strcmp("output_size8", tname))
+ return TEST_OUT_SIZE8;
+ if (!strcmp("output_size12", tname))
+ return TEST_OUT_SIZE12;
+ if (!strcmp("output_size16", tname))
+ return TEST_OUT_SIZE16;
+ if (!strcmp("output_size20", tname))
+ return TEST_OUT_SIZE20;
+ if (!strcmp("output_size24", tname))
+ return TEST_OUT_SIZE24;
+ if (!strcmp("output_size28", tname))
+ return TEST_OUT_SIZE28;
+ if (!strcmp("output_size32", tname))
+ return TEST_OUT_SIZE32;
+ if (!strcmp("output_size36", tname))
+ return TEST_OUT_SIZE36;
+ if (!strcmp("output_size40", tname))
+ return TEST_OUT_SIZE40;
+ if (!strcmp("output_size44", tname))
+ return TEST_OUT_SIZE44;
+ if (!strcmp("output_size48", tname))
+ return TEST_OUT_SIZE48;
+ if (!strcmp("output_size52", tname))
+ return TEST_OUT_SIZE52;
+ if (!strcmp("output_size56", tname))
+ return TEST_OUT_SIZE56;
+ if (!strcmp("output_size60", tname))
+ return TEST_OUT_SIZE60;
+ if (!strcmp("output_size64", tname))
+ return TEST_OUT_SIZE64;
+ if (!strcmp("output_size68", tname))
+ return TEST_OUT_SIZE68;
+ if (!strcmp("output_size72", tname))
+ return TEST_OUT_SIZE72;
+ if (!strcmp("output_size76", tname))
+ return TEST_OUT_SIZE76;
+ if (!strcmp("output_size80", tname))
+ return TEST_OUT_SIZE80;
+ if (!strcmp("output_size84", tname))
+ return TEST_OUT_SIZE84;
+ if (!strcmp("output_size88", tname))
+ return TEST_OUT_SIZE88;
+ if (!strcmp("output_size92", tname))
+ return TEST_OUT_SIZE92;
+ if (!strcmp("output_size96", tname))
+ return TEST_OUT_SIZE96;
+ if (!strcmp("output_size100", tname))
+ return TEST_OUT_SIZE100;
+ if (!strcmp("output_size104", tname))
+ return TEST_OUT_SIZE104;
+ if (!strcmp("output_size108", tname))
+ return TEST_OUT_SIZE108;
+ if (!strcmp("output_size112", tname))
+ return TEST_OUT_SIZE112;
+ if (!strcmp("output_size116", tname))
+ return TEST_OUT_SIZE116;
+ if (!strcmp("output_size120", tname))
+ return TEST_OUT_SIZE120;
+ if (!strcmp("output_size124", tname))
+ return TEST_OUT_SIZE124;
+ if (!strcmp("output_size128", tname))
+ return TEST_OUT_SIZE128;
+ if (!strcmp("output_size132", tname))
+ return TEST_OUT_SIZE132;
+ if (!strcmp("output_size136", tname))
+ return TEST_OUT_SIZE136;
+ if (!strcmp("output_size140", tname))
+ return TEST_OUT_SIZE140;
+ if (!strcmp("output_size144", tname))
+ return TEST_OUT_SIZE144;
+ if (!strcmp("output_size148", tname))
+ return TEST_OUT_SIZE148;
+ if (!strcmp("output_size152", tname))
+ return TEST_OUT_SIZE152;
+ if (!strcmp("output_size156", tname))
+ return TEST_OUT_SIZE156;
+ if (!strcmp("output_size160", tname))
+ return TEST_OUT_SIZE160;
+ if (!strcmp("output_size164", tname))
+ return TEST_OUT_SIZE164;
+ if (!strcmp("output_size168", tname))
+ return TEST_OUT_SIZE168;
+ if (!strcmp("output_size172", tname))
+ return TEST_OUT_SIZE172;
+ if (!strcmp("output_size176", tname))
+ return TEST_OUT_SIZE176;
+ if (!strcmp("output_size180", tname))
+ return TEST_OUT_SIZE180;
+ if (!strcmp("output_size184", tname))
+ return TEST_OUT_SIZE184;
+ if (!strcmp("output_size188", tname))
+ return TEST_OUT_SIZE188;
+ if (!strcmp("output_size192", tname))
+ return TEST_OUT_SIZE192;
+ if (!strcmp("output_size196", tname))
+ return TEST_OUT_SIZE196;
+ if (!strcmp("output_size200", tname))
+ return TEST_OUT_SIZE200;
+ if (!strcmp("output_size204", tname))
+ return TEST_OUT_SIZE204;
+ if (!strcmp("output_size208", tname))
+ return TEST_OUT_SIZE208;
+ if (!strcmp("output_size212", tname))
+ return TEST_OUT_SIZE212;
+ if (!strcmp("output_size216", tname))
+ return TEST_OUT_SIZE216;
+ if (!strcmp("output_size220", tname))
+ return TEST_OUT_SIZE220;
+ if (!strcmp("output_size224", tname))
+ return TEST_OUT_SIZE224;
+ if (!strcmp("output_size228", tname))
+ return TEST_OUT_SIZE228;
+ if (!strcmp("output_size232", tname))
+ return TEST_OUT_SIZE232;
+ if (!strcmp("output_size236", tname))
+ return TEST_OUT_SIZE236;
+ if (!strcmp("output_size240", tname))
+ return TEST_OUT_SIZE240;
+ if (!strcmp("output_size244", tname))
+ return TEST_OUT_SIZE244;
+ if (!strcmp("output_full_supp_trace", tname))
return TEST_OUT_FULL_SUPP_TRACE;
- if (!strcmp("in_undef_ns", tname))
+ if (!strcmp("input_undef_ns", tname))
return TEST_IN_UNDEF_NS;
- if (!strcmp("in_no_room", tname))
+ if (!strcmp("input_no_room", tname))
return TEST_IN_NO_ROOM;
- if (!strcmp("in_oflag", tname))
+ if (!strcmp("input_no_room_oss", tname))
+ return TEST_IN_NO_ROOM_OSS;
+ if (!strcmp("input_disabled", tname))
+ return TEST_IN_DISABLED;
+ if (!strcmp("input_oflag", tname))
return TEST_IN_OFLAG;
- if (!strcmp("in_bit0", tname))
+ if (!strcmp("input_bit0", tname))
return TEST_IN_BIT0;
- if (!strcmp("in_bit1", tname))
+ if (!strcmp("input_bit1", tname))
return TEST_IN_BIT1;
- if (!strcmp("in_bit2", tname))
+ if (!strcmp("input_bit2", tname))
return TEST_IN_BIT2;
- if (!strcmp("in_bit3", tname))
+ if (!strcmp("input_bit3", tname))
return TEST_IN_BIT3;
- if (!strcmp("in_bit4", tname))
+ if (!strcmp("input_bit4", tname))
return TEST_IN_BIT4;
- if (!strcmp("in_bit5", tname))
+ if (!strcmp("input_bit5", tname))
return TEST_IN_BIT5;
- if (!strcmp("in_bit6", tname))
+ if (!strcmp("input_bit6", tname))
return TEST_IN_BIT6;
- if (!strcmp("in_bit7", tname))
+ if (!strcmp("input_bit7", tname))
return TEST_IN_BIT7;
- if (!strcmp("in_bit8", tname))
+ if (!strcmp("input_bit8", tname))
return TEST_IN_BIT8;
- if (!strcmp("in_bit9", tname))
+ if (!strcmp("input_bit9", tname))
return TEST_IN_BIT9;
- if (!strcmp("in_bit10", tname))
+ if (!strcmp("input_bit10", tname))
return TEST_IN_BIT10;
- if (!strcmp("in_bit11", tname))
+ if (!strcmp("input_bit11", tname))
return TEST_IN_BIT11;
- if (!strcmp("in_bit22", tname))
+ if (!strcmp("input_bit22", tname))
return TEST_IN_BIT22;
- if (!strcmp("in_full_supp_trace", tname))
+ if (!strcmp("input_size4", tname))
+ return TEST_IN_SIZE4;
+ if (!strcmp("input_size8", tname))
+ return TEST_IN_SIZE8;
+ if (!strcmp("input_size12", tname))
+ return TEST_IN_SIZE12;
+ if (!strcmp("input_size16", tname))
+ return TEST_IN_SIZE16;
+ if (!strcmp("input_size20", tname))
+ return TEST_IN_SIZE20;
+ if (!strcmp("input_size24", tname))
+ return TEST_IN_SIZE24;
+ if (!strcmp("input_size28", tname))
+ return TEST_IN_SIZE28;
+ if (!strcmp("input_size32", tname))
+ return TEST_IN_SIZE32;
+ if (!strcmp("input_size36", tname))
+ return TEST_IN_SIZE36;
+ if (!strcmp("input_size40", tname))
+ return TEST_IN_SIZE40;
+ if (!strcmp("input_size44", tname))
+ return TEST_IN_SIZE44;
+ if (!strcmp("input_size48", tname))
+ return TEST_IN_SIZE48;
+ if (!strcmp("input_size52", tname))
+ return TEST_IN_SIZE52;
+ if (!strcmp("input_size56", tname))
+ return TEST_IN_SIZE56;
+ if (!strcmp("input_size60", tname))
+ return TEST_IN_SIZE60;
+ if (!strcmp("input_size64", tname))
+ return TEST_IN_SIZE64;
+ if (!strcmp("input_size68", tname))
+ return TEST_IN_SIZE68;
+ if (!strcmp("input_size72", tname))
+ return TEST_IN_SIZE72;
+ if (!strcmp("input_size76", tname))
+ return TEST_IN_SIZE76;
+ if (!strcmp("input_size80", tname))
+ return TEST_IN_SIZE80;
+ if (!strcmp("input_size84", tname))
+ return TEST_IN_SIZE84;
+ if (!strcmp("input_size88", tname))
+ return TEST_IN_SIZE88;
+ if (!strcmp("input_size92", tname))
+ return TEST_IN_SIZE92;
+ if (!strcmp("input_size96", tname))
+ return TEST_IN_SIZE96;
+ if (!strcmp("input_size100", tname))
+ return TEST_IN_SIZE100;
+ if (!strcmp("input_size104", tname))
+ return TEST_IN_SIZE104;
+ if (!strcmp("input_size108", tname))
+ return TEST_IN_SIZE108;
+ if (!strcmp("input_size112", tname))
+ return TEST_IN_SIZE112;
+ if (!strcmp("input_size116", tname))
+ return TEST_IN_SIZE116;
+ if (!strcmp("input_size120", tname))
+ return TEST_IN_SIZE120;
+ if (!strcmp("input_size124", tname))
+ return TEST_IN_SIZE124;
+ if (!strcmp("input_size128", tname))
+ return TEST_IN_SIZE128;
+ if (!strcmp("input_size132", tname))
+ return TEST_IN_SIZE132;
+ if (!strcmp("input_size136", tname))
+ return TEST_IN_SIZE136;
+ if (!strcmp("input_size140", tname))
+ return TEST_IN_SIZE140;
+ if (!strcmp("input_size144", tname))
+ return TEST_IN_SIZE144;
+ if (!strcmp("input_size148", tname))
+ return TEST_IN_SIZE148;
+ if (!strcmp("input_size152", tname))
+ return TEST_IN_SIZE152;
+ if (!strcmp("input_size156", tname))
+ return TEST_IN_SIZE156;
+ if (!strcmp("input_size160", tname))
+ return TEST_IN_SIZE160;
+ if (!strcmp("input_size164", tname))
+ return TEST_IN_SIZE164;
+ if (!strcmp("input_size168", tname))
+ return TEST_IN_SIZE168;
+ if (!strcmp("input_size172", tname))
+ return TEST_IN_SIZE172;
+ if (!strcmp("input_size176", tname))
+ return TEST_IN_SIZE176;
+ if (!strcmp("input_size180", tname))
+ return TEST_IN_SIZE180;
+ if (!strcmp("input_size184", tname))
+ return TEST_IN_SIZE184;
+ if (!strcmp("input_size188", tname))
+ return TEST_IN_SIZE188;
+ if (!strcmp("input_size192", tname))
+ return TEST_IN_SIZE192;
+ if (!strcmp("input_size196", tname))
+ return TEST_IN_SIZE196;
+ if (!strcmp("input_size200", tname))
+ return TEST_IN_SIZE200;
+ if (!strcmp("input_size204", tname))
+ return TEST_IN_SIZE204;
+ if (!strcmp("input_size208", tname))
+ return TEST_IN_SIZE208;
+ if (!strcmp("input_size212", tname))
+ return TEST_IN_SIZE212;
+ if (!strcmp("input_size216", tname))
+ return TEST_IN_SIZE216;
+ if (!strcmp("input_size220", tname))
+ return TEST_IN_SIZE220;
+ if (!strcmp("input_size224", tname))
+ return TEST_IN_SIZE224;
+ if (!strcmp("input_size228", tname))
+ return TEST_IN_SIZE228;
+ if (!strcmp("input_size232", tname))
+ return TEST_IN_SIZE232;
+ if (!strcmp("input_size236", tname))
+ return TEST_IN_SIZE236;
+ if (!strcmp("input_size240", tname))
+ return TEST_IN_SIZE240;
+ if (!strcmp("input_size244", tname))
+ return TEST_IN_SIZE244;
+ if (!strcmp("input_full_supp_trace", tname))
return TEST_IN_FULL_SUPP_TRACE;
- if (!strcmp("fwd_full_supp_trace", tname))
- return TEST_FWD_FULL_SUPP_TRACE;
return -1;
}
+static int ipv6_addr_equal(const struct in6_addr *a1, const struct in6_addr *a2)
+{
+ return ((a1->s6_addr32[0] ^ a2->s6_addr32[0]) |
+ (a1->s6_addr32[1] ^ a2->s6_addr32[1]) |
+ (a1->s6_addr32[2] ^ a2->s6_addr32[2]) |
+ (a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0;
+}
+
static int get_u32(__u32 *val, const char *arg, int base)
{
unsigned long res;
@@ -555,119 +977,124 @@ static int get_u16(__u16 *val, const char *arg, int base)
return 0;
}
-static int (*func[__TEST_MAX])(int, struct ioam6_trace_hdr *, __u32, __u16) = {
- [TEST_OUT_UNDEF_NS] = check_ioam_header,
- [TEST_OUT_NO_ROOM] = check_ioam_header,
- [TEST_OUT_BIT0] = check_ioam_header_and_data,
- [TEST_OUT_BIT1] = check_ioam_header_and_data,
- [TEST_OUT_BIT2] = check_ioam_header_and_data,
- [TEST_OUT_BIT3] = check_ioam_header_and_data,
- [TEST_OUT_BIT4] = check_ioam_header_and_data,
- [TEST_OUT_BIT5] = check_ioam_header_and_data,
- [TEST_OUT_BIT6] = check_ioam_header_and_data,
- [TEST_OUT_BIT7] = check_ioam_header_and_data,
- [TEST_OUT_BIT8] = check_ioam_header_and_data,
- [TEST_OUT_BIT9] = check_ioam_header_and_data,
- [TEST_OUT_BIT10] = check_ioam_header_and_data,
- [TEST_OUT_BIT11] = check_ioam_header_and_data,
- [TEST_OUT_BIT22] = check_ioam_header_and_data,
- [TEST_OUT_FULL_SUPP_TRACE] = check_ioam_header_and_data,
- [TEST_IN_UNDEF_NS] = check_ioam_header,
- [TEST_IN_NO_ROOM] = check_ioam_header,
- [TEST_IN_OFLAG] = check_ioam_header,
- [TEST_IN_BIT0] = check_ioam_header_and_data,
- [TEST_IN_BIT1] = check_ioam_header_and_data,
- [TEST_IN_BIT2] = check_ioam_header_and_data,
- [TEST_IN_BIT3] = check_ioam_header_and_data,
- [TEST_IN_BIT4] = check_ioam_header_and_data,
- [TEST_IN_BIT5] = check_ioam_header_and_data,
- [TEST_IN_BIT6] = check_ioam_header_and_data,
- [TEST_IN_BIT7] = check_ioam_header_and_data,
- [TEST_IN_BIT8] = check_ioam_header_and_data,
- [TEST_IN_BIT9] = check_ioam_header_and_data,
- [TEST_IN_BIT10] = check_ioam_header_and_data,
- [TEST_IN_BIT11] = check_ioam_header_and_data,
- [TEST_IN_BIT22] = check_ioam_header_and_data,
- [TEST_IN_FULL_SUPP_TRACE] = check_ioam_header_and_data,
- [TEST_FWD_FULL_SUPP_TRACE] = check_ioam_header_and_data,
-};
+static int get_u8(__u8 *val, const char *arg, int base)
+{
+ unsigned long res;
+ char *ptr;
+
+ if (!arg || !*arg)
+ return -1;
+ res = strtoul(arg, &ptr, base);
+
+ if (!ptr || ptr == arg || *ptr)
+ return -1;
+
+ if (res == ULONG_MAX && errno == ERANGE)
+ return -1;
+
+ if (res > 0xFFUL)
+ return -1;
+
+ *val = res;
+ return 0;
+}
int main(int argc, char **argv)
{
- int fd, size, hoplen, tid, ret = 1, on = 1;
- struct ioam6_hdr *opt;
- struct cmsghdr *cmsg;
- struct msghdr msg;
- struct iovec iov;
- __u8 buffer[512];
+ __u8 buffer[512], *ptr, nexthdr, tr_size;
+ struct ioam6_trace_hdr *trace;
+ unsigned int hoplen, ret = 1;
+ struct ipv6_hopopt_hdr *hbh;
+ int fd, size, testname_id;
+ struct in6_addr src, dst;
+ struct ioam6_hdr *ioam6;
+ struct timeval timeout;
+ struct ipv6hdr *ipv6;
__u32 tr_type;
__u16 ioam_ns;
- __u8 *ptr;
- if (argc != 5)
+ if (argc != 9)
goto out;
- tid = str2id(argv[1]);
- if (tid < 0 || !func[tid])
- goto out;
+ testname_id = str2id(argv[2]);
- if (get_u32(&tr_type, argv[2], 16) ||
- get_u16(&ioam_ns, argv[3], 0))
+ if (testname_id < 0 ||
+ inet_pton(AF_INET6, argv[3], &src) != 1 ||
+ inet_pton(AF_INET6, argv[4], &dst) != 1 ||
+ get_u32(&tr_type, argv[5], 16) ||
+ get_u8(&tr_size, argv[6], 0) ||
+ get_u16(&ioam_ns, argv[7], 0))
goto out;
- fd = socket(PF_INET6, SOCK_RAW,
- !strcmp(argv[4], "encap") ? IPPROTO_IPV6 : IPPROTO_ICMPV6);
+ nexthdr = (!strcmp(argv[8], "encap") ? IPPROTO_IPV6 : IPPROTO_ICMPV6);
+
+ hoplen = sizeof(*hbh);
+ hoplen += 2; // 2-byte padding for alignment
+ hoplen += sizeof(*ioam6); // IOAM option header
+ hoplen += sizeof(*trace); // IOAM trace header
+ hoplen += tr_size; // IOAM trace size
+ hoplen += (tr_size % 8); // optional padding
+
+ fd = socket(AF_PACKET, SOCK_DGRAM, __cpu_to_be16(ETH_P_IPV6));
if (fd < 0)
goto out;
- setsockopt(fd, IPPROTO_IPV6, IPV6_RECVHOPOPTS, &on, sizeof(on));
+ if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,
+ argv[1], strlen(argv[1])))
+ goto close;
- iov.iov_len = 1;
- iov.iov_base = malloc(CMSG_SPACE(sizeof(buffer)));
- if (!iov.iov_base)
+ timeout.tv_sec = 1;
+ timeout.tv_usec = 0;
+ if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO,
+ (const char *)&timeout, sizeof(timeout)))
goto close;
recv:
- memset(&msg, 0, sizeof(msg));
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
- msg.msg_control = buffer;
- msg.msg_controllen = CMSG_SPACE(sizeof(buffer));
-
- size = recvmsg(fd, &msg, 0);
+ size = recv(fd, buffer, sizeof(buffer), 0);
if (size <= 0)
goto close;
- for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
- if (cmsg->cmsg_level != IPPROTO_IPV6 ||
- cmsg->cmsg_type != IPV6_HOPOPTS ||
- cmsg->cmsg_len < sizeof(struct ipv6_hopopt_hdr))
- continue;
+ ipv6 = (struct ipv6hdr *)buffer;
+
+ /* Skip packets that do not have the expected src/dst address or that
+ * do not have a Hop-by-hop.
+ */
+ if (!ipv6_addr_equal(&ipv6->saddr, &src) ||
+ !ipv6_addr_equal(&ipv6->daddr, &dst) ||
+ ipv6->nexthdr != IPPROTO_HOPOPTS)
+ goto recv;
+
+ /* Check Hbh's Next Header and Size. */
+ hbh = (struct ipv6_hopopt_hdr *)(buffer + sizeof(*ipv6));
+ if (hbh->nexthdr != nexthdr || hbh->hdrlen != (hoplen >> 3) - 1)
+ goto close;
- ptr = (__u8 *)CMSG_DATA(cmsg);
+ /* Check we have a 2-byte padding for alignment. */
+ ptr = (__u8 *)hbh + sizeof(*hbh);
+ if (ptr[0] != IPV6_TLV_PADN && ptr[1] != 0)
+ goto close;
- hoplen = (ptr[1] + 1) << 3;
- ptr += sizeof(struct ipv6_hopopt_hdr);
+ /* Check we now have the IOAM option. */
+ ptr += 2;
+ if (ptr[0] != IPV6_TLV_IOAM)
+ goto close;
- while (hoplen > 0) {
- opt = (struct ioam6_hdr *)ptr;
+ /* Check its size and the IOAM option type. */
+ ioam6 = (struct ioam6_hdr *)ptr;
+ if (ioam6->opt_len != sizeof(*ioam6) - 2 + sizeof(*trace) + tr_size ||
+ ioam6->type != IOAM6_TYPE_PREALLOC)
+ goto close;
- if (opt->opt_type == IPV6_TLV_IOAM &&
- opt->type == IOAM6_TYPE_PREALLOC) {
- ptr += sizeof(*opt);
- ret = func[tid](tid,
- (struct ioam6_trace_hdr *)ptr,
- tr_type, ioam_ns);
- goto close;
- }
+ trace = (struct ioam6_trace_hdr *)(ptr + sizeof(*ioam6));
- ptr += opt->opt_len + 2;
- hoplen -= opt->opt_len + 2;
- }
- }
+ /* Check the trailing 4-byte padding (potentially). */
+ ptr = (__u8 *)trace + sizeof(*trace) + tr_size;
+ if (tr_size % 8 && ptr[0] != IPV6_TLV_PADN && ptr[1] != 2 &&
+ ptr[2] != 0 && ptr[3] != 0)
+ goto close;
- goto recv;
+ /* Check the IOAM header and data. */
+ ret = check_ioam_trace(testname_id, trace, tr_type, tr_size, ioam_ns);
close:
- free(iov.iov_base);
close(fd);
out:
return ret;
generated by cgit (git 2.34.1) at 2025-05-29 16:02:04 +0000