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-rw-r--r--examples/ip_fragmentation/main.c103
1 files changed, 91 insertions, 12 deletions
diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c
index e1e32c66..71c1d12f 100644
--- a/examples/ip_fragmentation/main.c
+++ b/examples/ip_fragmentation/main.c
@@ -168,7 +168,7 @@ struct lcore_queue_conf {
} __rte_cache_aligned;
struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
.rxmode = {
.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
.split_hdr_size = 0,
@@ -176,7 +176,7 @@ static const struct rte_eth_conf port_conf = {
.hw_ip_checksum = 1, /**< IP checksum offload enabled */
.hw_vlan_filter = 0, /**< VLAN filtering disabled */
.jumbo_frame = 1, /**< Jumbo Frame Support enabled */
- .hw_strip_crc = 0, /**< CRC stripped by hardware */
+ .hw_strip_crc = 1, /**< CRC stripped by hardware */
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
@@ -265,8 +265,8 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
uint8_t queueid, uint8_t port_in)
{
struct rx_queue *rxq;
- uint32_t i, len, next_hop_ipv4;
- uint8_t next_hop_ipv6, port_out, ipv6;
+ uint32_t i, len, next_hop;
+ uint8_t port_out, ipv6;
int32_t len2;
ipv6 = 0;
@@ -290,9 +290,9 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
/* Find destination port */
- if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop_ipv4) == 0 &&
- (enabled_port_mask & 1 << next_hop_ipv4) != 0) {
- port_out = next_hop_ipv4;
+ if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
+ (enabled_port_mask & 1 << next_hop) != 0) {
+ port_out = next_hop;
/* Build transmission burst for new port */
len = qconf->tx_mbufs[port_out].len;
@@ -326,9 +326,10 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
ip_hdr = rte_pktmbuf_mtod(m, struct ipv6_hdr *);
/* Find destination port */
- if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, &next_hop_ipv6) == 0 &&
- (enabled_port_mask & 1 << next_hop_ipv6) != 0) {
- port_out = next_hop_ipv6;
+ if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
+ &next_hop) == 0 &&
+ (enabled_port_mask & 1 << next_hop) != 0) {
+ port_out = next_hop;
/* Build transmission burst for new port */
len = qconf->tx_mbufs[port_out].len;
@@ -586,7 +587,7 @@ 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;
}
@@ -653,6 +654,74 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
}
}
+/* Check L3 packet type detection capablity of the NIC port */
+static int
+check_ptype(int portid)
+{
+ int i, ret;
+ int ptype_l3_ipv4 = 0, 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 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+ if (ptype_l3_ipv6 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+
+ if (ptype_l3_ipv4 && ptype_l3_ipv6)
+ return 1;
+
+ return 0;
+
+}
+
+/* Parse packet type of a packet by SW */
+static inline void
+parse_ptype(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;
+}
+
+/* callback function to detect packet type for a queue of a port */
+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)
+{
+ uint16_t i;
+
+ for (i = 0; i < nb_pkts; ++i)
+ parse_ptype(pkts[i]);
+
+ return nb_pkts;
+}
+
static int
init_routing_table(void)
{
@@ -846,6 +915,11 @@ main(int argc, char **argv)
qconf = &lcore_queue_conf[rx_lcore_id];
+ /* limit the frame size to the maximum supported by NIC */
+ rte_eth_dev_info_get(portid, &dev_info);
+ port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
+ dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
+
/* get the lcore_id for this port */
while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
@@ -911,7 +985,6 @@ main(int argc, char **argv)
printf("txq=%u,%d ", lcore_id, queueid);
fflush(stdout);
- rte_eth_dev_info_get(portid, &dev_info);
txconf = &dev_info.default_txconf;
txconf->txq_flags = 0;
ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
@@ -944,6 +1017,12 @@ main(int argc, char **argv)
ret, portid);
rte_eth_promiscuous_enable(portid);
+
+ if (check_ptype(portid) == 0) {
+ rte_eth_add_rx_callback(portid, 0, cb_parse_ptype, NULL);
+ printf("Add Rx callback funciton to detect L3 packet type by SW :"
+ " port = %d\n", portid);
+ }
}
if (init_routing_table() < 0)