-static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
- {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
- {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
- {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
- {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
- {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
- {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
- {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
- {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
-};
-
-#define IPV4_L3FWD_NUM_ROUTES \
- (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
-#define IPV6_L3FWD_NUM_ROUTES \
- (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
-
-#define IPV4_L3FWD_LPM_MAX_RULES 1024
-#define IPV6_L3FWD_LPM_MAX_RULES 1024
-#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
-
-typedef struct rte_lpm lookup_struct_t;
-typedef struct rte_lpm6 lookup6_struct_t;
-static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
-static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
-#endif
-
-struct lcore_conf {
- uint16_t n_rx_queue;
- struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
- uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
- struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
- lookup_struct_t * ipv4_lookup_struct;
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
- lookup6_struct_t * ipv6_lookup_struct;
-#else
- lookup_struct_t * ipv6_lookup_struct;
-#endif
-} __rte_cache_aligned;
-
-static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
-
-/* Send burst of packets on an output interface */
-static inline int
-send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
-{
- struct rte_mbuf **m_table;
- int ret;
- uint16_t queueid;
-
- queueid = qconf->tx_queue_id[port];
- m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
-
- ret = rte_eth_tx_burst(port, queueid, m_table, n);
- if (unlikely(ret < n)) {
- do {
- rte_pktmbuf_free(m_table[ret]);
- } while (++ret < n);
- }
-
- return 0;
-}
-
-/* Enqueue a single packet, and send burst if queue is filled */
-static inline int
-send_single_packet(struct rte_mbuf *m, uint8_t port)
-{
- uint32_t lcore_id;
- uint16_t len;
- struct lcore_conf *qconf;
-
- lcore_id = rte_lcore_id();
-
- qconf = &lcore_conf[lcore_id];
- len = qconf->tx_mbufs[port].len;
- qconf->tx_mbufs[port].m_table[len] = m;
- len++;
-
- /* enough pkts to be sent */
- if (unlikely(len == MAX_PKT_BURST)) {
- send_burst(qconf, MAX_PKT_BURST, port);
- len = 0;
- }
-
- qconf->tx_mbufs[port].len = len;
- return 0;
-}
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-static inline __attribute__((always_inline)) void
-send_packetsx4(struct lcore_conf *qconf, uint8_t port,
- struct rte_mbuf *m[], uint32_t num)
-{
- uint32_t len, j, n;
-
- len = qconf->tx_mbufs[port].len;
-
- /*
- * If TX buffer for that queue is empty, and we have enough packets,
- * then send them straightway.
- */
- if (num >= MAX_TX_BURST && len == 0) {
- n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num);
- if (unlikely(n < num)) {
- do {
- rte_pktmbuf_free(m[n]);
- } while (++n < num);
- }
- return;
- }
-
- /*
- * Put packets into TX buffer for that queue.
- */
-
- n = len + num;
- n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num;
-
- j = 0;
- switch (n % FWDSTEP) {
- while (j < n) {
- case 0:
- qconf->tx_mbufs[port].m_table[len + j] = m[j];
- j++;
- case 3:
- qconf->tx_mbufs[port].m_table[len + j] = m[j];
- j++;
- case 2:
- qconf->tx_mbufs[port].m_table[len + j] = m[j];
- j++;
- case 1:
- qconf->tx_mbufs[port].m_table[len + j] = m[j];
- j++;
- }
- }
-
- len += n;
-
- /* enough pkts to be sent */
- if (unlikely(len == MAX_PKT_BURST)) {
-
- send_burst(qconf, MAX_PKT_BURST, port);
-
- /* copy rest of the packets into the TX buffer. */
- len = num - n;
- j = 0;
- switch (len % FWDSTEP) {
- while (j < len) {
- case 0:
- qconf->tx_mbufs[port].m_table[j] = m[n + j];
- j++;
- case 3:
- qconf->tx_mbufs[port].m_table[j] = m[n + j];
- j++;
- case 2:
- qconf->tx_mbufs[port].m_table[j] = m[n + j];
- j++;
- case 1:
- qconf->tx_mbufs[port].m_table[j] = m[n + j];
- j++;
- }
- }
- }
-
- qconf->tx_mbufs[port].len = len;
-}
-#endif /* APP_LOOKUP_LPM */
-
-#ifdef DO_RFC_1812_CHECKS
-static inline int
-is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
-{
- /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
- /*
- * 1. The packet length reported by the Link Layer must be large
- * enough to hold the minimum length legal IP datagram (20 bytes).
- */
- if (link_len < sizeof(struct ipv4_hdr))
- return -1;
-
- /* 2. The IP checksum must be correct. */
- /* this is checked in H/W */
-
- /*
- * 3. The IP version number must be 4. If the version number is not 4
- * then the packet may be another version of IP, such as IPng or
- * ST-II.
- */
- if (((pkt->version_ihl) >> 4) != 4)
- return -3;
- /*
- * 4. The IP header length field must be large enough to hold the
- * minimum length legal IP datagram (20 bytes = 5 words).
- */
- if ((pkt->version_ihl & 0xf) < 5)
- return -4;
-
- /*
- * 5. The IP total length field must be large enough to hold the IP
- * datagram header, whose length is specified in the IP header length
- * field.
- */
- if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
- return -5;
-
- return 0;
-}
-#endif
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
-
-static __m128i mask0;
-static __m128i mask1;
-static __m128i mask2;
-static inline uint8_t
-get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_l3fwd_lookup_struct)
-{
- int ret = 0;
- union ipv4_5tuple_host key;
-
- ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live);
- __m128i data = _mm_loadu_si128((__m128i*)(ipv4_hdr));
- /* Get 5 tuple: dst port, src port, dst IP address, src IP address and protocol */
- key.xmm = _mm_and_si128(data, mask0);
- /* Find destination port */
- ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
- return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
-}
-
-static inline uint8_t
-get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, lookup_struct_t * ipv6_l3fwd_lookup_struct)
-{
- int ret = 0;
- union ipv6_5tuple_host key;
-
- ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len);
- __m128i data0 = _mm_loadu_si128((__m128i*)(ipv6_hdr));
- __m128i data1 = _mm_loadu_si128((__m128i*)(((uint8_t*)ipv6_hdr)+sizeof(__m128i)));
- __m128i data2 = _mm_loadu_si128((__m128i*)(((uint8_t*)ipv6_hdr)+sizeof(__m128i)+sizeof(__m128i)));
- /* Get part of 5 tuple: src IP address lower 96 bits and protocol */
- key.xmm[0] = _mm_and_si128(data0, mask1);
- /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address higher 32 bits */
- key.xmm[1] = data1;
- /* Get part of 5 tuple: dst port and src port and dst IP address higher 32 bits */
- key.xmm[2] = _mm_and_si128(data2, mask2);
-
- /* Find destination port */
- ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
- return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
-}
-#endif
-
-#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-
-static inline uint8_t
-get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_l3fwd_lookup_struct)
-{
- uint8_t next_hop;
-
- return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
- rte_be_to_cpu_32(((struct ipv4_hdr *)ipv4_hdr)->dst_addr),
- &next_hop) == 0) ? next_hop : portid);
-}
-
-static inline uint8_t
-get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, lookup6_struct_t * ipv6_l3fwd_lookup_struct)
-{
- uint8_t next_hop;
- return (uint8_t) ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct,
- ((struct ipv6_hdr*)ipv6_hdr)->dst_addr, &next_hop) == 0)?
- next_hop : portid);
-}
-#endif
-
-static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
- struct lcore_conf *qconf) __attribute__((unused));
-
-#if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \
- (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
-
-#define MASK_ALL_PKTS 0xff
-#define EXCLUDE_1ST_PKT 0xfe
-#define EXCLUDE_2ND_PKT 0xfd
-#define EXCLUDE_3RD_PKT 0xfb
-#define EXCLUDE_4TH_PKT 0xf7
-#define EXCLUDE_5TH_PKT 0xef
-#define EXCLUDE_6TH_PKT 0xdf
-#define EXCLUDE_7TH_PKT 0xbf
-#define EXCLUDE_8TH_PKT 0x7f
-
-static inline void
-simple_ipv4_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid, struct lcore_conf *qconf)
-{
- struct ether_hdr *eth_hdr[8];
- struct ipv4_hdr *ipv4_hdr[8];
- uint8_t dst_port[8];
- int32_t ret[8];
- union ipv4_5tuple_host key[8];
- __m128i data[8];
-
- eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
- eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
- eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
- eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
- eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
- eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
- eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
- eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
-
- /* Handle IPv4 headers.*/
- ipv4_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
- ipv4_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
- ipv4_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
- ipv4_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
- ipv4_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
- ipv4_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
- ipv4_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
- ipv4_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv4_hdr *,
- sizeof(struct ether_hdr));
-
-#ifdef DO_RFC_1812_CHECKS
- /* Check to make sure the packet is valid (RFC1812) */
- uint8_t valid_mask = MASK_ALL_PKTS;
- if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) {
- rte_pktmbuf_free(m[0]);
- valid_mask &= EXCLUDE_1ST_PKT;
- }
- if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) {
- rte_pktmbuf_free(m[1]);
- valid_mask &= EXCLUDE_2ND_PKT;
- }
- if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) {
- rte_pktmbuf_free(m[2]);
- valid_mask &= EXCLUDE_3RD_PKT;
- }
- if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) {
- rte_pktmbuf_free(m[3]);
- valid_mask &= EXCLUDE_4TH_PKT;
- }
- if (is_valid_ipv4_pkt(ipv4_hdr[4], m[4]->pkt_len) < 0) {
- rte_pktmbuf_free(m[4]);
- valid_mask &= EXCLUDE_5TH_PKT;
- }
- if (is_valid_ipv4_pkt(ipv4_hdr[5], m[5]->pkt_len) < 0) {
- rte_pktmbuf_free(m[5]);
- valid_mask &= EXCLUDE_6TH_PKT;
- }
- if (is_valid_ipv4_pkt(ipv4_hdr[6], m[6]->pkt_len) < 0) {
- rte_pktmbuf_free(m[6]);
- valid_mask &= EXCLUDE_7TH_PKT;
- }
- if (is_valid_ipv4_pkt(ipv4_hdr[7], m[7]->pkt_len) < 0) {
- rte_pktmbuf_free(m[7]);
- valid_mask &= EXCLUDE_8TH_PKT;
- }
- if (unlikely(valid_mask != MASK_ALL_PKTS)) {
- if (valid_mask == 0){
- return;
- } else {
- uint8_t i = 0;
- for (i = 0; i < 8; i++) {
- if ((0x1 << i) & valid_mask) {
- l3fwd_simple_forward(m[i], portid, qconf);
- }
- }
- return;
- }
- }
-#endif // End of #ifdef DO_RFC_1812_CHECKS
-
- data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
- data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
- data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
- data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
- data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
- data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
- data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
- data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *,
- sizeof(struct ether_hdr) +
- offsetof(struct ipv4_hdr, time_to_live)));
-
- key[0].xmm = _mm_and_si128(data[0], mask0);
- key[1].xmm = _mm_and_si128(data[1], mask0);
- key[2].xmm = _mm_and_si128(data[2], mask0);
- key[3].xmm = _mm_and_si128(data[3], mask0);
- key[4].xmm = _mm_and_si128(data[4], mask0);
- key[5].xmm = _mm_and_si128(data[5], mask0);
- key[6].xmm = _mm_and_si128(data[6], mask0);
- key[7].xmm = _mm_and_si128(data[7], mask0);
-
- const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
- &key[4], &key[5], &key[6], &key[7]};
-
- rte_hash_lookup_multi(qconf->ipv4_lookup_struct, &key_array[0], 8, ret);
- dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]);
- dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]);
- dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]);
- dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]);
- dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]);
- dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]);
- dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]);
- dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid : ipv4_l3fwd_out_if[ret[7]]);
-
- if (dst_port[0] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[0]) == 0)
- dst_port[0] = portid;
- if (dst_port[1] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[1]) == 0)
- dst_port[1] = portid;
- if (dst_port[2] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[2]) == 0)
- dst_port[2] = portid;
- if (dst_port[3] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[3]) == 0)
- dst_port[3] = portid;
- if (dst_port[4] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[4]) == 0)
- dst_port[4] = portid;
- if (dst_port[5] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[5]) == 0)
- dst_port[5] = portid;
- if (dst_port[6] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[6]) == 0)
- dst_port[6] = portid;
- if (dst_port[7] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[7]) == 0)
- dst_port[7] = portid;
-
-#ifdef DO_RFC_1812_CHECKS
- /* Update time to live and header checksum */
- --(ipv4_hdr[0]->time_to_live);
- --(ipv4_hdr[1]->time_to_live);
- --(ipv4_hdr[2]->time_to_live);
- --(ipv4_hdr[3]->time_to_live);
- ++(ipv4_hdr[0]->hdr_checksum);
- ++(ipv4_hdr[1]->hdr_checksum);
- ++(ipv4_hdr[2]->hdr_checksum);
- ++(ipv4_hdr[3]->hdr_checksum);
- --(ipv4_hdr[4]->time_to_live);
- --(ipv4_hdr[5]->time_to_live);
- --(ipv4_hdr[6]->time_to_live);
- --(ipv4_hdr[7]->time_to_live);
- ++(ipv4_hdr[4]->hdr_checksum);
- ++(ipv4_hdr[5]->hdr_checksum);
- ++(ipv4_hdr[6]->hdr_checksum);
- ++(ipv4_hdr[7]->hdr_checksum);
-#endif
-
- /* dst addr */
- *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
- *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
- *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
- *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
- *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
- *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
- *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
- *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
-
- /* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
-
- send_single_packet(m[0], (uint8_t)dst_port[0]);
- send_single_packet(m[1], (uint8_t)dst_port[1]);
- send_single_packet(m[2], (uint8_t)dst_port[2]);
- send_single_packet(m[3], (uint8_t)dst_port[3]);
- send_single_packet(m[4], (uint8_t)dst_port[4]);
- send_single_packet(m[5], (uint8_t)dst_port[5]);
- send_single_packet(m[6], (uint8_t)dst_port[6]);
- send_single_packet(m[7], (uint8_t)dst_port[7]);
-
-}
-
-static inline void get_ipv6_5tuple(struct rte_mbuf* m0, __m128i mask0, __m128i mask1,
- union ipv6_5tuple_host * key)
-{
- __m128i tmpdata0 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, __m128i *, sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len)));
- __m128i tmpdata1 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, __m128i *, sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i)));
- __m128i tmpdata2 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, __m128i *, sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i) + sizeof(__m128i)));
- key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
- key->xmm[1] = tmpdata1;
- key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
- return;
-}
-
-static inline void
-simple_ipv6_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid, struct lcore_conf *qconf)
-{
- struct ether_hdr *eth_hdr[8];
- __attribute__((unused)) struct ipv6_hdr *ipv6_hdr[8];
- uint8_t dst_port[8];
- int32_t ret[8];
- union ipv6_5tuple_host key[8];
-
- eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
- eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
- eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
- eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
- eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
- eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
- eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
- eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
-
- /* Handle IPv6 headers.*/
- ipv6_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
- ipv6_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
- ipv6_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
- ipv6_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
- ipv6_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
- ipv6_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
- ipv6_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
- ipv6_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv6_hdr *,
- sizeof(struct ether_hdr));
-
- get_ipv6_5tuple(m[0], mask1, mask2, &key[0]);
- get_ipv6_5tuple(m[1], mask1, mask2, &key[1]);
- get_ipv6_5tuple(m[2], mask1, mask2, &key[2]);
- get_ipv6_5tuple(m[3], mask1, mask2, &key[3]);
- get_ipv6_5tuple(m[4], mask1, mask2, &key[4]);
- get_ipv6_5tuple(m[5], mask1, mask2, &key[5]);
- get_ipv6_5tuple(m[6], mask1, mask2, &key[6]);
- get_ipv6_5tuple(m[7], mask1, mask2, &key[7]);
-
- const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
- &key[4], &key[5], &key[6], &key[7]};
-
- rte_hash_lookup_multi(qconf->ipv6_lookup_struct, &key_array[0], 4, ret);
- dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid:ipv6_l3fwd_out_if[ret[0]]);
- dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid:ipv6_l3fwd_out_if[ret[1]]);
- dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid:ipv6_l3fwd_out_if[ret[2]]);
- dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid:ipv6_l3fwd_out_if[ret[3]]);
- dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid:ipv6_l3fwd_out_if[ret[4]]);
- dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid:ipv6_l3fwd_out_if[ret[5]]);
- dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid:ipv6_l3fwd_out_if[ret[6]]);
- dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid:ipv6_l3fwd_out_if[ret[7]]);
-
- if (dst_port[0] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[0]) == 0)
- dst_port[0] = portid;
- if (dst_port[1] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[1]) == 0)
- dst_port[1] = portid;
- if (dst_port[2] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[2]) == 0)
- dst_port[2] = portid;
- if (dst_port[3] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[3]) == 0)
- dst_port[3] = portid;
- if (dst_port[4] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[4]) == 0)
- dst_port[4] = portid;
- if (dst_port[5] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[5]) == 0)
- dst_port[5] = portid;
- if (dst_port[6] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[6]) == 0)
- dst_port[6] = portid;
- if (dst_port[7] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[7]) == 0)
- dst_port[7] = portid;
-
- /* dst addr */
- *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
- *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
- *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
- *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
- *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
- *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
- *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
- *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
-
- /* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
- ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
-
- send_single_packet(m[0], (uint8_t)dst_port[0]);
- send_single_packet(m[1], (uint8_t)dst_port[1]);
- send_single_packet(m[2], (uint8_t)dst_port[2]);
- send_single_packet(m[3], (uint8_t)dst_port[3]);
- send_single_packet(m[4], (uint8_t)dst_port[4]);
- send_single_packet(m[5], (uint8_t)dst_port[5]);
- send_single_packet(m[6], (uint8_t)dst_port[6]);
- send_single_packet(m[7], (uint8_t)dst_port[7]);
-
-}
-#endif /* APP_LOOKUP_METHOD */
-
-static inline __attribute__((always_inline)) void
-l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, struct lcore_conf *qconf)
-{
- struct ether_hdr *eth_hdr;
- struct ipv4_hdr *ipv4_hdr;
- uint8_t dst_port;
-
- eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
-
- if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
- /* Handle IPv4 headers.*/
- ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
- sizeof(struct ether_hdr));
-
-#ifdef DO_RFC_1812_CHECKS
- /* Check to make sure the packet is valid (RFC1812) */
- if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
- rte_pktmbuf_free(m);
- return;
- }
-#endif
-
- dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
- qconf->ipv4_lookup_struct);
- if (dst_port >= RTE_MAX_ETHPORTS ||
- (enabled_port_mask & 1 << dst_port) == 0)
- dst_port = portid;
-
-#ifdef DO_RFC_1812_CHECKS
- /* Update time to live and header checksum */
- --(ipv4_hdr->time_to_live);
- ++(ipv4_hdr->hdr_checksum);
-#endif
- /* dst addr */
- *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
-
- /* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
-
- send_single_packet(m, dst_port);
- } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
- /* Handle IPv6 headers.*/
- struct ipv6_hdr *ipv6_hdr;
-
- ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
- sizeof(struct ether_hdr));
-
- dst_port = get_ipv6_dst_port(ipv6_hdr, portid, qconf->ipv6_lookup_struct);
-
- if (dst_port >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port) == 0)
- dst_port = portid;
-
- /* dst addr */
- *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
-
- /* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
-
- send_single_packet(m, dst_port);
- } else
- /* Free the mbuf that contains non-IPV4/IPV6 packet */
- rte_pktmbuf_free(m);
-}
-
-#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
- (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
-#ifdef DO_RFC_1812_CHECKS
-
-#define IPV4_MIN_VER_IHL 0x45
-#define IPV4_MAX_VER_IHL 0x4f
-#define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
-
-/* Minimum value of IPV4 total length (20B) in network byte order. */
-#define IPV4_MIN_LEN_BE (sizeof(struct ipv4_hdr) << 8)
-