Signed-off-by: Benoît Ganne <[email protected]>
---
example/classifier/odp_classifier.c | 95 +++++++++++++++++++++++++++++--------
1 file changed, 76 insertions(+), 19 deletions(-)
diff --git a/example/classifier/odp_classifier.c
b/example/classifier/odp_classifier.c
index 3123936..346eab1 100644
--- a/example/classifier/odp_classifier.c
+++ b/example/classifier/odp_classifier.c
@@ -53,11 +53,12 @@ typedef struct {
odp_pmr_t pmr; /**< Associated pmr handle */
odp_atomic_u64_t packet_count; /**< count of received packets */
char queue_name[ODP_QUEUE_NAME_LEN]; /**< queue name */
- int val_sz; /**< size of the pmr term */
struct {
odp_pmr_term_e term; /**< odp pmr term value */
- uint32_t val; /**< pmr term value */
- uint32_t mask; /**< pmr term mask */
+ uint64_t val; /**< pmr term value */
+ uint64_t mask; /**< pmr term mask */
+ uint32_t val_sz; /**< size of the pmr term */
+ uint32_t offset; /**< pmr term offset */
} rule;
char value[DISPLAY_STRING_LEN]; /**< Display string for value */
char mask[DISPLAY_STRING_LEN]; /**< Display string for mask */
@@ -86,7 +87,8 @@ static void print_info(char *progname, appl_args_t
*appl_args);
static void usage(char *progname);
static void configure_cos_queue(odp_pktio_t pktio, appl_args_t *args);
static void configure_default_queue(odp_pktio_t pktio, appl_args_t *args);
-static int convert_str_to_pmr_enum(char *token, odp_pmr_term_e *term);
+static int convert_str_to_pmr_enum(char *token, odp_pmr_term_e *term,
+ uint32_t *offset);
static int parse_pmr_policy(appl_args_t *appl_args, char *argv[], char
*optarg);
static inline
@@ -151,12 +153,13 @@ void print_cls_statistics(appl_args_t *args)
}
static inline
-int parse_ipv4_addr(const char *ipaddress, uint32_t *addr)
+int parse_ipv4_addr(const char *ipaddress, uint64_t *addr)
{
- int b[4];
+ uint32_t b[4];
int converted;
- converted = sscanf(ipaddress, "%d.%d.%d.%d",
+ converted = sscanf(ipaddress, "%" SCNx32 ".%" SCNx32
+ ".%" SCNx32 ".%" SCNx32,
&b[3], &b[2], &b[1], &b[0]);
if (4 != converted)
return -1;
@@ -170,16 +173,42 @@ int parse_ipv4_addr(const char *ipaddress, uint32_t *addr)
}
static inline
-int parse_ipv4_mask(const char *str, uint32_t *mask)
+int parse_mask(const char *str, uint64_t *mask)
{
- uint32_t b;
+ uint64_t b;
int ret;
- ret = sscanf(str, "%" SCNx32, &b);
+ ret = sscanf(str, "%" SCNx64, &b);
*mask = b;
return ret != 1;
}
+static
+int parse_value(const char *str, uint64_t *val, unsigned int *val_sz)
+{
+ size_t len;
+ size_t i;
+ int converted;
+ union {
+ uint64_t u64;
+ uint8_t u8[8];
+ } buf = {.u64 = 0};
+
+ len = strlen(str);
+ if (len > 2 * sizeof(buf))
+ return -1;
+
+ for (i = 0; i < len; i += 2) {
+ converted = sscanf(&str[i], "%2" SCNx8, &buf.u8[i / 2]);
+ if (1 != converted)
+ return -1;
+ }
+
+ *val = buf.u64;
+ *val_sz = len / 2;
+ return 0;
+}
+
/**
* Create a pktio handle, optionally associating a default input queue.
*
@@ -354,10 +383,14 @@ static void configure_cos_queue(odp_pktio_t pktio,
appl_args_t *args)
sprintf(cos_name, "CoS%s", stats->queue_name);
stats->cos = odp_cos_create(cos_name);
- stats->pmr = odp_pmr_create(stats->rule.term,
- &stats->rule.val,
- &stats->rule.mask,
- stats->val_sz);
+ const odp_pmr_match_t match = {
+ .term = stats->rule.term,
+ .val = &stats->rule.val,
+ .mask = &stats->rule.mask,
+ .val_sz = stats->rule.val_sz,
+ .offset = stats->rule.offset,
+ };
+ stats->pmr = odp_pmr_create(&match);
qparam.sched.prio = i % odp_schedule_num_prio();
qparam.sched.sync = ODP_SCHED_SYNC_NONE;
qparam.sched.group = ODP_SCHED_GROUP_ALL;
@@ -567,7 +600,8 @@ static void swap_pkt_addrs(odp_packet_t pkt_tbl[], unsigned
len)
}
}
-static int convert_str_to_pmr_enum(char *token, odp_pmr_term_e *term)
+static int convert_str_to_pmr_enum(char *token, odp_pmr_term_e *term,
+ uint32_t *offset)
{
if (NULL == token)
return -1;
@@ -575,6 +609,13 @@ static int convert_str_to_pmr_enum(char *token,
odp_pmr_term_e *term)
if (0 == strcasecmp(token, "ODP_PMR_SIP_ADDR")) {
*term = ODP_PMR_SIP_ADDR;
return 0;
+ } else {
+ errno = 0;
+ *offset = strtoul(token, NULL, 0);
+ if (errno)
+ return -1;
+ *term = ODP_PMR_CUSTOM_FRAME;
+ return 0;
}
return -1;
}
@@ -588,6 +629,7 @@ static int parse_pmr_policy(appl_args_t *appl_args, char
*argv[], char *optarg)
odp_pmr_term_e term;
global_statistics *stats;
char *pmr_str;
+ uint32_t offset;
policy_count = appl_args->policy_count;
stats = appl_args->stats;
@@ -605,7 +647,7 @@ static int parse_pmr_policy(appl_args_t *appl_args, char
*argv[], char *optarg)
/* PMR TERM */
token = strtok(pmr_str, ":");
- if (convert_str_to_pmr_enum(token, &term)) {
+ if (convert_str_to_pmr_enum(token, &term, &offset)) {
EXAMPLE_ERR("Invalid ODP_PMR_TERM string\n");
exit(EXIT_FAILURE);
}
@@ -621,8 +663,21 @@ static int parse_pmr_policy(appl_args_t *appl_args, char
*argv[], char *optarg)
token = strtok(NULL, ":");
strncpy(stats[policy_count].mask, token,
DISPLAY_STRING_LEN - 1);
- parse_ipv4_mask(token, &stats[policy_count].rule.mask);
- stats[policy_count].val_sz = 4;
+ parse_mask(token, &stats[policy_count].rule.mask);
+ stats[policy_count].rule.val_sz = 4;
+ stats[policy_count].rule.offset = 0;
+ break;
+ case ODP_PMR_CUSTOM_FRAME:
+ token = strtok(NULL, ":");
+ strncpy(stats[policy_count].value, token,
+ DISPLAY_STRING_LEN - 1);
+ parse_value(token, &stats[policy_count].rule.val,
+ &stats[policy_count].rule.val_sz);
+ token = strtok(NULL, ":");
+ strncpy(stats[policy_count].mask, token,
+ DISPLAY_STRING_LEN - 1);
+ parse_mask(token, &stats[policy_count].rule.mask);
+ stats[policy_count].rule.offset = offset;
break;
default:
usage(argv[0]);
@@ -776,10 +831,12 @@ static void usage(char *progname)
"\n"
"Mandatory OPTIONS:\n"
" -i, --interface Eth interface\n"
- " -p, --policy <odp_pmr_term_e>:<value>:<mask
bits>:<queue name>\n"
+ " -p, --policy
[<odp_pmr_term_e>|<offset>]:<value>:<mask bits>:<queue name>\n"
"\n"
"<odp_pmr_term_e> Packet Matching Rule defined
with odp_pmr_term_e "
"for the policy\n"
+ "<offset> Absolute offset in bytes from
frame start to define a "
+ "ODP_PMR_CUSTOM_FRAME Packet Matching Rule for the
policy\n"
"\n"
"<value> PMR value to be matched.\n"
"\n"
--
2.5.1
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