return total_nb_qps;
}
+static int
+check_ptype(int portid)
+{
+ int l3_ipv4 = 0, l3_ipv6 = 0, l4_udp = 0, tunnel_esp = 0;
+ int i, nb_ptypes;
+ uint32_t mask;
+
+ mask = (RTE_PTYPE_L3_MASK | RTE_PTYPE_L4_MASK |
+ RTE_PTYPE_TUNNEL_MASK);
+
+ nb_ptypes = rte_eth_dev_get_supported_ptypes(portid, mask, NULL, 0);
+ if (nb_ptypes <= 0)
+ return 0;
+
+ uint32_t ptypes[nb_ptypes];
+
+ nb_ptypes = rte_eth_dev_get_supported_ptypes(portid, mask, ptypes, nb_ptypes);
+ for (i = 0; i < nb_ptypes; ++i) {
+ if (RTE_ETH_IS_IPV4_HDR(ptypes[i]))
+ l3_ipv4 = 1;
+ if (RTE_ETH_IS_IPV6_HDR(ptypes[i]))
+ l3_ipv6 = 1;
+ if ((ptypes[i] & RTE_PTYPE_TUNNEL_MASK) == RTE_PTYPE_TUNNEL_ESP)
+ tunnel_esp = 1;
+ if ((ptypes[i] & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_UDP)
+ l4_udp = 1;
+ }
+
+ if (l3_ipv4 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+ if (l3_ipv6 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+
+ if (l4_udp == 0)
+ printf("port %d cannot parse RTE_PTYPE_L4_UDP\n", portid);
+
+ if (tunnel_esp == 0)
+ printf("port %d cannot parse RTE_PTYPE_TUNNEL_ESP\n", portid);
+
+ if (l3_ipv4 && l3_ipv6 && l4_udp && tunnel_esp)
+ return 1;
+
+ return 0;
+
+}
+
+static inline void
+parse_ptype(struct rte_mbuf *m)
+{
+ uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+ const struct rte_ipv4_hdr *iph4;
+ const struct rte_ipv6_hdr *iph6;
+ const struct rte_ether_hdr *eth;
+ const struct rte_udp_hdr *udp;
+ uint16_t nat_port, ether_type;
+ int next_proto = 0;
+ size_t ext_len = 0;
+ const uint8_t *p;
+ uint32_t l3len;
+
+ eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
+ ether_type = eth->ether_type;
+
+ if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
+ iph4 = (const struct rte_ipv4_hdr *)(eth + 1);
+ l3len = ((iph4->version_ihl & RTE_IPV4_HDR_IHL_MASK) *
+ RTE_IPV4_IHL_MULTIPLIER);
+
+ if (l3len == sizeof(struct rte_ipv4_hdr))
+ packet_type |= RTE_PTYPE_L3_IPV4;
+ else
+ packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+
+ next_proto = iph4->next_proto_id;
+ p = (const uint8_t *)iph4;
+ } else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) {
+ iph6 = (const struct rte_ipv6_hdr *)(eth + 1);
+ l3len = sizeof(struct ip6_hdr);
+
+ /* determine l3 header size up to ESP extension */
+ next_proto = iph6->proto;
+ p = (const uint8_t *)iph6;
+ while (next_proto != IPPROTO_ESP && l3len < m->data_len &&
+ (next_proto = rte_ipv6_get_next_ext(p + l3len,
+ next_proto, &ext_len)) >= 0)
+ l3len += ext_len;
+
+ /* Skip IPv6 header exceeds first segment length */
+ if (unlikely(l3len + RTE_ETHER_HDR_LEN > m->data_len))
+ goto exit;
+
+ if (l3len == sizeof(struct ip6_hdr))
+ packet_type |= RTE_PTYPE_L3_IPV6;
+ else
+ packet_type |= RTE_PTYPE_L3_IPV6_EXT;
+ }
+
+ switch (next_proto) {
+ case IPPROTO_ESP:
+ packet_type |= RTE_PTYPE_TUNNEL_ESP;
+ break;
+ case IPPROTO_UDP:
+ if (app_sa_prm.udp_encap == 1) {
+ udp = (const struct rte_udp_hdr *)(p + l3len);
+ nat_port = rte_cpu_to_be_16(IPSEC_NAT_T_PORT);
+ if (udp->src_port == nat_port ||
+ udp->dst_port == nat_port)
+ packet_type |=
+ MBUF_PTYPE_TUNNEL_ESP_IN_UDP;
+ }
+ break;
+ default:
+ break;
+ }
+exit:
+ m->packet_type = packet_type;
+}
+
+static uint16_t
+parse_ptype_cb(uint16_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)
+{
+ uint32_t i;
+
+ if (unlikely(nb_pkts == 0))
+ return nb_pkts;
+
+ rte_prefetch0(rte_pktmbuf_mtod(pkts[0], struct ether_hdr *));
+ for (i = 0; i < (unsigned int) (nb_pkts - 1); ++i) {
+ rte_prefetch0(rte_pktmbuf_mtod(pkts[i+1],
+ struct ether_hdr *));
+ parse_ptype(pkts[i]);
+ }
+ parse_ptype(pkts[i]);
+
+ return nb_pkts;
+}
+
static void
port_init(uint16_t portid, uint64_t req_rx_offloads, uint64_t req_tx_offloads)
{
struct lcore_conf *qconf;
struct rte_ether_addr ethaddr;
struct rte_eth_conf local_port_conf = port_conf;
+ int ptype_supported;
ret = rte_eth_dev_info_get(portid, &dev_info);
if (ret != 0)
rte_exit(EXIT_FAILURE, "Cannot adjust number of descriptors: "
"err=%d, port=%d\n", ret, portid);
+ /* Check if required ptypes are supported */
+ ptype_supported = check_ptype(portid);
+ if (!ptype_supported)
+ printf("Port %d: softly parse packet type info\n", portid);
+
/* init one TX queue per lcore */
tx_queueid = 0;
for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
rte_exit(EXIT_FAILURE,
"rte_eth_rx_queue_setup: err=%d, "
"port=%d\n", ret, portid);
+
+ /* Register Rx callback if ptypes are not supported */
+ if (!ptype_supported &&
+ !rte_eth_add_rx_callback(portid, queue,
+ parse_ptype_cb, NULL)) {
+ printf("Failed to add rx callback: port=%d, "
+ "queue=%d\n", portid, queue);
+ }
+
+
}
}
printf("\n");
git.droids-corp.org / dpdk.git / blobdiff