Add new option parse-ptype in this sample in case of pmd driver
not provide packet type info. If this option enabled, packet type
will be analyzed in Rx callback function.
Signed-off-by: Jianfeng Tan <jianfeng....@intel.com>
Signed-off-by: Yong Liu <yong....@intel.com>
diff --git a/examples/l3fwd-acl/main.c b/examples/l3fwd-acl/main.c
index 3cfbb40..dfa9031 100644
--- a/examples/l3fwd-acl/main.c
+++ b/examples/l3fwd-acl/main.c
@@ -200,6 +200,7 @@ struct lcore_params {
#define OPTION_RULE_IPV4 "rule_ipv4"
#define OPTION_RULE_IPV6 "rule_ipv6"
#define OPTION_SCALAR "scalar"
+#define OPTION_PARSE_PTYPE "parse-ptype"
#define ACL_DENY_SIGNATURE 0xf0000000
#define RTE_LOGTYPE_L3FWDACL RTE_LOGTYPE_USER3
#define acl_log(format, ...) RTE_LOG(ERR, L3FWDACL, format, ##__VA_ARGS__)
@@ -470,6 +471,7 @@ struct acl_search_t {
const char *rule_ipv4_name;
const char *rule_ipv6_name;
int scalar;
+ int parse_ptype;
} parm_config;
const char cb_port_delim[] = ":";
@@ -1563,7 +1565,9 @@ struct lcore_conf {
"character '%c'.\n"
" --"OPTION_RULE_IPV6"=FILE: specify the ipv6 rules "
"entries file.\n"
- " --"OPTION_SCALAR": Use scalar function to do lookup\n",
+ " --"OPTION_SCALAR": Use scalar function to do lookup.\n"
+ " --"OPTION_PARSE_PTYPE": Set to use software to analyze "
+ "packet type.\n",
prgname, ACL_LEAD_CHAR, ROUTE_LEAD_CHAR);
}
@@ -1671,6 +1675,7 @@ struct lcore_conf {
{OPTION_RULE_IPV4, 1, 0, 0},
{OPTION_RULE_IPV6, 1, 0, 0},
{OPTION_SCALAR, 0, 0, 0},
+ {OPTION_PARSE_PTYPE, 0, 0, 0},
{NULL, 0, 0, 0}
};
@@ -1763,6 +1768,12 @@ struct lcore_conf {
OPTION_SCALAR, sizeof(OPTION_SCALAR)))
parm_config.scalar = 1;
+ if (!strncmp(lgopts[option_index].name,
+ OPTION_PARSE_PTYPE,
+ sizeof(OPTION_PARSE_PTYPE))) {
+ printf("soft parse-ptype is enabled\n");
+ parm_config.parse_ptype = 1;
+ }
break;
@@ -1828,6 +1839,74 @@ struct lcore_conf {
return 0;
}
+static inline void
+parse_ptype_one(struct rte_mbuf *m)
+{
+ struct ether_hdr *eth_hdr;
+ uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+ uint16_t ether_type;
+
+ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ ether_type = eth_hdr->ether_type;
+ if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
+ packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+ else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
+ packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+
+ m->packet_type = packet_type;
+}
+
+static uint16_t
+cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused,
+ struct rte_mbuf *pkts[], uint16_t nb_pkts,
+ uint16_t max_pkts __rte_unused,
+ void *user_param __rte_unused)
+{
+ unsigned int i;
+
+ for (i = 0; i < nb_pkts; ++i)
+ parse_ptype_one(pkts[i]);
+
+ return nb_pkts;
+}
+
+static int
+add_cb_parse_ptype(uint8_t portid, uint16_t queueid)
+{
+ printf("Port %d: softly parse packet type info\n", portid);
+ if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
+ return 0;
+
+ printf("Failed to add rx callback: port=%d\n", portid);
+ return -1;
+}
+
+static int check_ptype(uint8_t portid)
+{
+ int i, ret;
+ int ptype_l3_ipv4 = 0;
+ int ptype_l3_ipv6 = 0;
+ uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
+
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+ if (ret <= 0)
+ return 0;
+
+ uint32_t ptypes[ret];
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+ for (i = 0; i < ret; ++i) {
+ if (ptypes[i] & RTE_PTYPE_L3_IPV4)
+ ptype_l3_ipv4 = 1;
+ if (ptypes[i] & RTE_PTYPE_L3_IPV6)
+ ptype_l3_ipv6 = 1;
+ }
+
+ if (ptype_l3_ipv4 && ptype_l3_ipv6)
+ return 1;
+
+ return 0;
+}
+
/* Check the link status of all ports in up to 9s, and print them finally */
static void
check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
@@ -2039,7 +2118,15 @@ struct lcore_conf {
rte_exit(EXIT_FAILURE,
"rte_eth_rx_queue_setup: err=%d,"
"port=%d\n", ret, portid);
- }
+
+ if (parm_config.parse_ptype) {
+ if (add_cb_parse_ptype(portid, queueid) < 0)
+ rte_exit(EXIT_FAILURE,
+ "Fail to add ptype cb\n");
+ } else if (!check_ptype(portid))
+ rte_exit(EXIT_FAILURE,
+ "PMD can not provide needed ptypes\n");
+ }
}
printf("\n");
--
1.9.1
