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-rw-r--r--examples/l3fwd-power/main.c131
1 files changed, 127 insertions, 4 deletions
diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
index b65d683c..9d57fdef 100644
--- a/examples/l3fwd-power/main.c
+++ b/examples/l3fwd-power/main.c
@@ -147,7 +147,7 @@
/*
* Configurable number of RX/TX ring descriptors
*/
-#define RTE_TEST_RX_DESC_DEFAULT 128
+#define RTE_TEST_RX_DESC_DEFAULT 512
#define RTE_TEST_TX_DESC_DEFAULT 512
static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
@@ -164,6 +164,8 @@ static uint32_t enabled_port_mask = 0;
static int promiscuous_on = 0;
/* NUMA is enabled by default. */
static int numa_on = 1;
+static int parse_ptype; /**< Parse packet type using rx callback, and */
+ /**< disabled by default */
enum freq_scale_hint_t
{
@@ -221,7 +223,7 @@ static struct rte_eth_conf port_conf = {
.hw_ip_checksum = 1, /**< IP checksum offload enabled */
.hw_vlan_filter = 0, /**< VLAN filtering disabled */
.jumbo_frame = 0, /**< Jumbo Frame Support disabled */
- .hw_strip_crc = 0, /**< CRC stripped by hardware */
+ .hw_strip_crc = 1, /**< CRC stripped by hardware */
},
.rx_adv_conf = {
.rss_conf = {
@@ -377,6 +379,7 @@ static void
signal_exit_now(int sigtype)
{
unsigned lcore_id;
+ unsigned int portid, nb_ports;
int ret;
if (sigtype == SIGINT) {
@@ -391,6 +394,15 @@ signal_exit_now(int sigtype)
"library de-initialization failed on "
"core%u\n", lcore_id);
}
+
+ nb_ports = rte_eth_dev_count();
+ for (portid = 0; portid < nb_ports; portid++) {
+ if ((enabled_port_mask & (1 << portid)) == 0)
+ continue;
+
+ rte_eth_dev_stop(portid);
+ rte_eth_dev_close(portid);
+ }
}
rte_exit(EXIT_SUCCESS, "User forced exit\n");
@@ -607,6 +619,48 @@ get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
#endif
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 inline void
l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
struct lcore_conf *qconf)
{
@@ -1108,7 +1162,8 @@ print_usage(const char *prgname)
" --config (port,queue,lcore): rx queues configuration\n"
" --no-numa: optional, disable numa awareness\n"
" --enable-jumbo: enable jumbo frame"
- " which max packet len is PKTLEN in decimal (64-9600)\n",
+ " which max packet len is PKTLEN in decimal (64-9600)\n"
+ " --parse-ptype: parse packet type by software\n",
prgname);
}
@@ -1202,6 +1257,8 @@ parse_config(const char *q_arg)
return 0;
}
+#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
+
/* Parse the argument given in the command line of the application */
static int
parse_args(int argc, char **argv)
@@ -1214,6 +1271,7 @@ parse_args(int argc, char **argv)
{"config", 1, 0, 0},
{"no-numa", 0, 0, 0},
{"enable-jumbo", 0, 0, 0},
+ {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
{NULL, 0, 0, 0}
};
@@ -1284,6 +1342,13 @@ parse_args(int argc, char **argv)
(unsigned int)port_conf.rxmode.max_rx_pkt_len);
}
+ if (!strncmp(lgopts[option_index].name,
+ CMD_LINE_OPT_PARSE_PTYPE,
+ sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
+ printf("soft parse-ptype is enabled\n");
+ parse_ptype = 1;
+ }
+
break;
default:
@@ -1296,7 +1361,7 @@ parse_args(int argc, char **argv)
argv[optind-1] = prgname;
ret = optind-1;
- optind = 0; /* reset getopt lib */
+ optind = 1; /* reset getopt lib */
return ret;
}
@@ -1531,6 +1596,50 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
}
}
+static int check_ptype(uint8_t portid)
+{
+ int i, ret;
+ int ptype_l3_ipv4 = 0;
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ int ptype_l3_ipv6 = 0;
+#endif
+ 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 (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ if (ptypes[i] & RTE_PTYPE_L3_IPV6)
+ ptype_l3_ipv6 = 1;
+#endif
+ }
+
+ if (ptype_l3_ipv4 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ if (ptype_l3_ipv6 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+#endif
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+ if (ptype_l3_ipv4)
+#else /* APP_LOOKUP_EXACT_MATCH */
+ if (ptype_l3_ipv4 && ptype_l3_ipv6)
+#endif
+ return 1;
+
+ return 0;
+
+}
+
int
main(int argc, char **argv)
{
@@ -1545,6 +1654,7 @@ main(int argc, char **argv)
uint32_t n_tx_queue, nb_lcores;
uint32_t dev_rxq_num, dev_txq_num;
uint8_t portid, nb_rx_queue, queue, socketid;
+ uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
/* catch SIGINT and restore cpufreq governor to ondemand */
signal(SIGINT, signal_exit_now);
@@ -1605,8 +1715,13 @@ main(int argc, char **argv)
n_tx_queue = dev_txq_num;
printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
nb_rx_queue, (unsigned)n_tx_queue );
+ /* If number of Rx queue is 0, no need to enable Rx interrupt */
+ if (nb_rx_queue == 0)
+ port_conf.intr_conf.rxq = 0;
ret = rte_eth_dev_configure(portid, nb_rx_queue,
(uint16_t)n_tx_queue, &port_conf);
+ /* Revert to original value */
+ port_conf.intr_conf.rxq = org_rxq_intr;
if (ret < 0)
rte_exit(EXIT_FAILURE, "Cannot configure device: "
"err=%d, port=%d\n", ret, portid);
@@ -1716,6 +1831,14 @@ main(int argc, char **argv)
rte_exit(EXIT_FAILURE,
"rte_eth_rx_queue_setup: err=%d, "
"port=%d\n", ret, portid);
+
+ if (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");
}
}