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authorDeepak S <deepak.s@linux.intel.com>2017-07-20 11:22:20 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-07-20 11:22:20 +0000
commit51759157a499326cfe69ec0eecb00b1c5879bf50 (patch)
treebb2197d5344b52ec015323a4fd5e36d6ec6937e4 /VNFs/vCGNAPT
parentcfe2f779d4365dba03659b64668cb301fae53c95 (diff)
parent0e51437be874b6831e95639f4c1ad6b0133c2a28 (diff)
Merge "[l2l3 stack] implements new arp state machine & arp buffering"
Diffstat (limited to 'VNFs/vCGNAPT')
-rw-r--r--VNFs/vCGNAPT/init.c2
-rw-r--r--VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c782
-rw-r--r--VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.h1
3 files changed, 355 insertions, 430 deletions
diff --git a/VNFs/vCGNAPT/init.c b/VNFs/vCGNAPT/init.c
index aa3868d..3e73183 100644
--- a/VNFs/vCGNAPT/init.c
+++ b/VNFs/vCGNAPT/init.c
@@ -1729,11 +1729,13 @@ int app_init(struct app_params *app)
app_init_pipelines(app);
app_init_threads(app);
+ #ifdef L3_STACK_SUPPORT
l3fwd_init();
create_arp_table();
create_nd_table();
populate_lpm_routes();
print_interface_details();
+ #endif
return 0;
}
diff --git a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c
index f9b0eb1..af37127 100644
--- a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c
+++ b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.c
@@ -80,7 +80,10 @@
/* To maintain all cgnapt pipeline pointers used for all stats */
struct pipeline_cgnapt *all_pipeline_cgnapt[128];
uint8_t n_cgnapt_pipeline;
+struct pipeline_cgnapt *global_pnat;
+uint64_t arp_pkts_mask;
+extern struct arp_entry_data *arp_data_ptr[16];
/* To know egress or ingress port */
static uint8_t cgnapt_in_port_egress_prv[PIPELINE_MAX_PORT_IN];
static uint8_t cgnapt_prv_que_port_index[PIPELINE_MAX_PORT_IN];
@@ -140,6 +143,7 @@ struct rte_hash_parameters napt_common_table_hash_params = {
};
/***** ARP local cache *****/
+
uint8_t link_hw_laddr_valid[MAX_NUM_LOCAL_MAC_ADDRESS] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
@@ -178,7 +182,6 @@ static uint32_t local_get_nh_ipv4(
uint32_t *port,
uint32_t *nhip,
struct pipeline_cgnapt *p_nat);
-
static void do_local_nh_ipv4_cache(
uint32_t dest_if,
struct pipeline_cgnapt *p_nat);
@@ -220,6 +223,11 @@ uint64_t nextPowerOf2(uint64_t n)
return n;
}
+void remove_local_cache(uint8_t port)
+{
+ link_hw_laddr_valid[port] = 0;
+}
+
/**
* Function to get MAC addr of local link
*
@@ -230,10 +238,10 @@ uint64_t nextPowerOf2(uint64_t n)
* Outport Link MAC addr
*/
-struct ether_addr *get_local_link_hw_addr(uint8_t out_port)
-{
- return &link_hw_laddr[out_port];
-}
+//struct ether_addr *get_local_link_hw_addr(uint8_t out_port)
+//{
+// return &link_hw_laddr[out_port];
+//}
/**
* Function to get MAC addr from array instead of hash table
@@ -910,6 +918,33 @@ void sw_checksum(struct rte_mbuf *pkt, enum PKT_TYPE ver)
}
}
+void print_pkt_info(uint8_t *eth_dest, struct ether_addr *hw_addr,
+ uint32_t dest_address, uint32_t port_id, struct rte_mbuf *pkt)
+{
+
+if (CGNAPT_DEBUG > 2) {
+ printf("MAC Found ip 0x%x, port %d - %02x:%02x:%02x:%02x:%02x:%02x \n",
+ dest_address, port_id, hw_addr->addr_bytes[0], hw_addr->addr_bytes[1],
+ hw_addr->addr_bytes[2], hw_addr->addr_bytes[3], hw_addr->addr_bytes[4],
+ hw_addr->addr_bytes[5]);
+
+ printf("Dest MAC before - %02x:%02x:%02x:%02x:%02x:%02x \n",
+ eth_dest[0], eth_dest[1], eth_dest[2], eth_dest[3], eth_dest[4],
+ eth_dest[5]);
+}
+
+if (CGNAPT_DEBUG > 2) {
+ printf("Dest MAC after - "
+ "%02x:%02x:%02x:%02x:%02x:%02x \n",
+ eth_dest[0], eth_dest[1],
+ eth_dest[2], eth_dest[3],
+ eth_dest[4], eth_dest[5]);
+}
+
+if (CGNAPT_DEBUG > 4)
+ print_pkt(pkt);
+}
+
static uint8_t check_arp_icmp(
struct rte_mbuf *pkt,
uint64_t pkt_mask,
@@ -925,7 +960,7 @@ static uint8_t check_arp_icmp(
/* ARP outport number */
uint16_t out_port = p_nat->p.n_ports_out - 1;
-
+ printf("check_arp_icmp called*****\n");
uint8_t *protocol;
uint32_t prot_offset;
@@ -2169,11 +2204,34 @@ static int cgnapt_in_port_ah_mix(struct rte_pipeline *rte_p,
}
*outport_id = p_nat->outport_id[dest_if];
- int ret;
- ret = get_dest_mac_addr_port(dest_address,
- &dest_if, &hw_addr);
+ struct arp_entry_data *ret_arp_data;
+ ret_arp_data = get_dest_mac_addr_port(dest_address,
+ &dest_if, (struct ether_addr *)&hw_addr);
+
+ if (unlikely(ret_arp_data == NULL)) {
+
+ printf("%s: NHIP Not Found, nhip: %x, "
+ "outport_id: %d\n", __func__, nhip,
+ *outport_id);
+
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
+
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ continue;
+ }
+
+ if (ret_arp_data->status == COMPLETE) {
+
+ if (ret_arp_data->num_pkts) {
+ p_nat->naptedPktCount += ret_arp_data->num_pkts;
+ arp_send_buffered_pkts(ret_arp_data,
+ &hw_addr, *outport_id);
+ }
- if (ret == ARP_FOUND) {
memcpy(eth_dest, &hw_addr,
sizeof(struct ether_addr));
memcpy(eth_src, get_link_hw_addr(dest_if),
@@ -2208,23 +2266,22 @@ static int cgnapt_in_port_ah_mix(struct rte_pipeline *rte_p,
print_pkt(pkts[pkt_index]);
#endif
- } else{
- if (ret == ARP_NOT_FOUND) {
- /* Commented code may be required
- * for future use, Please keep it */
- //request_arp(*outport_id, nhip,
- // p_nat->p.p);
- printf("%s: ARP Not Found, nhip: %x, "
- "outport_id: %d\n", __func__, nhip,
- *outport_id);
- }
+ } else if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ if (ret_arp_data->num_pkts >= NUM_DESC) {
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
- p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DEBUGGING
- p_nat->naptDroppedPktCount4++;
- #endif
- continue;
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ continue;
+ } else {
+ arp_queue_unresolved_packet(ret_arp_data,
+ pkts[pkt_index]);
+ continue;
+ }
}
#ifdef CGNAPT_DBG_PRNT
@@ -2396,61 +2453,76 @@ static int cgnapt_in_port_ah_mix(struct rte_pipeline *rte_p,
};
*outport_id = p_nat->outport_id[dest_if];
- int ret;
- ret = get_dest_mac_addr_port(dest_address,
- &dest_if, &hw_addr);
+ struct arp_entry_data *ret_arp_data;
+ ret_arp_data = get_dest_mac_addr_port(dest_address,
+ &dest_if, (struct ether_addr *)&hw_addr);
+
+ if (unlikely(ret_arp_data == NULL)) {
+
+ printf("%s: NHIP Not Found, nhip: %x, "
+ "outport_id: %d\n", __func__, nhip,
+ *outport_id);
+
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
+
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ continue;
+ }
+
+ if (ret_arp_data->status == COMPLETE) {
+
+ if (ret_arp_data->num_pkts) {
+ p_nat->naptedPktCount +=
+ ret_arp_data->num_pkts;
+ arp_send_buffered_pkts(ret_arp_data,
+ &hw_addr, *outport_id);
+ }
- if (ret == ARP_FOUND) {
memcpy(eth_dest, &hw_addr,
sizeof(struct ether_addr));
memcpy(eth_src, get_link_hw_addr(
dest_if),
sizeof(struct ether_addr));
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("MAC found for ip 0x%x, port %d - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- dest_address, *outport_id,
- hw_addr.addr_bytes[0], hw_addr.addr_bytes[1],
- hw_addr.addr_bytes[2], hw_addr.addr_bytes[3],
- hw_addr.addr_bytes[4], hw_addr.addr_bytes[5]);
+ #ifdef CGNAPT_DBG_PRNT
+ if (CGNAPT_DEBUG > 2) {
+ printf("MAC found for ip 0x%x, port %d - "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ dest_address, *outport_id,
+ hw_addr.addr_bytes[0], hw_addr.addr_bytes[1],
+ hw_addr.addr_bytes[2], hw_addr.addr_bytes[3],
+ hw_addr.addr_bytes[4], hw_addr.addr_bytes[5]);
- printf("Dest MAC before - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ printf("Dest MAC before - "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n",
eth_dest[0], eth_dest[1], eth_dest[2],
eth_dest[3], eth_dest[4], eth_dest[5]);
- }
- #endif
+ }
+ #endif
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("Dest MAC after - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ #ifdef CGNAPT_DBG_PRNT
+ if (CGNAPT_DEBUG > 2) {
+ printf("Dest MAC after - "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n",
eth_dest[0], eth_dest[1], eth_dest[2],
eth_dest[3], eth_dest[4], eth_dest[5]);
- }
- #endif
+ }
+ #endif
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 4)
- print_pkt(pkts[pkt_index]);
- #endif
+ #ifdef CGNAPT_DBG_PRNT
+ if (CGNAPT_DEBUG > 4)
+ print_pkt(pkts[pkt_index]);
+ #endif
- } else {
- if (ret == ARP_NOT_FOUND) {
- printf("%s: ARP Not Found, nhip: %x, "
- "outport_id: %d\n", __func__, nhip,
- *outport_id);
- }
- //request_arp(*outport_id,
- // nhip, p_nat->p.p);
- p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DEBUGGING
- p_nat->naptDroppedPktCount4++;
- #endif
- continue;
- }
+ } else if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ arp_queue_unresolved_packet(ret_arp_data,
+ pkts[pkt_index]);
+ continue;
+ }
if (*protocol == IP_PROTOCOL_ICMP) {
// Query ID reverse translation done here
@@ -2547,7 +2619,7 @@ static int cgnapt_in_port_ah_ipv4_prv(struct rte_pipeline *rte_p,
p_nat->pkt_burst_cnt = 0; /* for dynamic napt */
p_nat->valid_packets = rte_p->pkts_mask; /*n_pkts; */
p_nat->invalid_packets = 0;
-
+ arp_pkts_mask = 0;
#ifdef CGNAPT_DBG_PRNT
if (CGNAPT_DEBUG > 1)
printf("cgnapt_key hit fn: %" PRIu32 "\n", n_pkts);
@@ -2567,6 +2639,7 @@ static int cgnapt_in_port_ah_ipv4_prv(struct rte_pipeline *rte_p,
if (unlikely(p_nat->valid_packets == 0)) {
/* no suitable packet for lookup */
+ printf("no suitable valid packets\n");
rte_pipeline_ah_packet_drop(rte_p, p_nat->invalid_packets);
return p_nat->valid_packets;
}
@@ -2600,12 +2673,20 @@ static int cgnapt_in_port_ah_ipv4_prv(struct rte_pipeline *rte_p,
[p_nat->lkup_indx[j]]);
}
+ //prefetch();
+
+
for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)
pkt4_work_cgnapt_ipv4_prv(pkts, i, arg, p_nat);
for (; i < n_pkts; i++)
pkt_work_cgnapt_ipv4_prv(pkts, i, arg, p_nat);
+ if (arp_pkts_mask) {
+ p_nat->valid_packets &= ~(arp_pkts_mask);
+ rte_pipeline_ah_packet_hijack(rte_p, arp_pkts_mask);
+ }
+
if (p_nat->invalid_packets) {
/* get rid of invalid packets */
rte_pipeline_ah_packet_drop(rte_p, p_nat->invalid_packets);
@@ -2682,7 +2763,7 @@ static int cgnapt_in_port_ah_ipv4_pub(struct rte_pipeline *rte_p,
p_nat->pkt_burst_cnt = 0; /* for dynamic napt */
p_nat->valid_packets = rte_p->pkts_mask; /*n_pkts; */
p_nat->invalid_packets = 0;
-
+ arp_pkts_mask = 0;
#ifdef CGNAPT_DBG_PRNT
if (CGNAPT_DEBUG > 1)
printf("cgnapt_key hit fn: %" PRIu32 "\n", n_pkts);
@@ -2701,6 +2782,7 @@ static int cgnapt_in_port_ah_ipv4_pub(struct rte_pipeline *rte_p,
p_nat->valid_packets &= ~(p_nat->invalid_packets);
if (unlikely(p_nat->valid_packets == 0)) {
+ printf("no valid packets in pub\n");
/* no suitable packet for lookup */
rte_pipeline_ah_packet_drop(rte_p, p_nat->invalid_packets);
return p_nat->valid_packets;
@@ -2741,6 +2823,11 @@ static int cgnapt_in_port_ah_ipv4_pub(struct rte_pipeline *rte_p,
for (; i < n_pkts; i++)
pkt_work_cgnapt_ipv4_pub(pkts, i, arg, p_nat);
+ if (arp_pkts_mask) {
+ rte_pipeline_ah_packet_hijack(rte_p, arp_pkts_mask);
+ p_nat->valid_packets &= ~(arp_pkts_mask);
+ }
+
if (p_nat->invalid_packets) {
/* get rid of invalid packets */
rte_pipeline_ah_packet_drop(rte_p, p_nat->invalid_packets);
@@ -3706,6 +3793,7 @@ pkt_work_cgnapt_key_ipv4_pub(
* A pointer to main CGNAPT structure
*
*/
+uint64_t last_update;
void
pkt_work_cgnapt_ipv4_prv(
struct rte_mbuf **pkts,
@@ -3849,54 +3937,31 @@ pkt_work_cgnapt_ipv4_prv(
#endif
return;
}
-
+ last_update = rte_rdtsc();
dest_address = rte_bswap32(*dst_addr);
- /*Multiport Changes */
uint32_t nhip = 0;
- uint32_t ret;
- ret = local_get_nh_ipv4(dest_address, &dest_if, &nhip, p_nat);
- if (!ret) {
- dest_if = get_prv_to_pub_port(&dest_address, IP_VERSION_4);
-
- if (dest_if == INVALID_DESTIF) {
- p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DEBUGGING
- p_nat->naptDroppedPktCount6++;
- #endif
- return;
- }
-
- do_local_nh_ipv4_cache(dest_if, p_nat);
- }
-
+ struct arp_entry_data *ret_arp_data = NULL;
+ ret_arp_data = get_dest_mac_addr_port(dest_address, &dest_if, (struct ether_addr *)eth_dest);
*outport_id = p_nat->outport_id[dest_if];
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2)
- printf("Egress: \tphy_port:%d\t get_prv_to_pub():%d "
- "\tout_port:%d\n", pkt->port, dest_if,
- *outport_id);
- #endif
+ if (arp_cache_dest_mac_present(dest_if)) {
+ ether_addr_copy(get_link_hw_addr(dest_if),(struct ether_addr *)eth_src);
+ arp_data_ptr[dest_if]->n_last_update = time(NULL);
- if (local_dest_mac_present(dest_if)) {
- memcpy(eth_dest,
- get_local_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
- memcpy(eth_src, get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
+ if (unlikely(ret_arp_data && ret_arp_data->num_pkts)) {
+ printf("sending buffered packets\n");
+ p_nat->naptedPktCount += ret_arp_data->num_pkts;
+ arp_send_buffered_pkts(ret_arp_data,
+ (struct ether_addr *)eth_dest, *outport_id);
+
+ }
} else {
- int ret;
- ret = get_dest_mac_addr_port(dest_address, &dest_if, &hw_addr);
- if (unlikely(ret != ARP_FOUND)) {
+ if (unlikely(ret_arp_data == NULL)) {
- if (unlikely(ret == ARP_NOT_FOUND)) {
- //request_arp(*outport_id, nhip, p_nat->p.p);
- printf("%s: ARP Not Found, nhip: %x, "
- "outport_id: %d\n", __func__, nhip,
- *outport_id);
- }
+ printf("%s: NHIP Not Found, nhip:%x , "
+ "outport_id: %d\n", __func__, nhip,
+ *outport_id);
/* Drop the pkt */
p_nat->invalid_packets |= pkt_mask;
@@ -3906,41 +3971,26 @@ pkt_work_cgnapt_ipv4_prv(
p_nat->naptDroppedPktCount4++;
#endif
return;
-
- }
-
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("MAC found for ip 0x%x, port %d - %02x:%02x: "
- "%02x:%02x:%02x:%02x\n", dest_address,
- *outport_id,
- hw_addr.addr_bytes[0], hw_addr.addr_bytes[1],
- hw_addr.addr_bytes[2], hw_addr.addr_bytes[3],
- hw_addr.addr_bytes[4], hw_addr.addr_bytes[5]);
-
- printf("Dest MAC before - %02x:%02x:%02x: "
- "%02x:%02x:%02x\n", eth_dest[0], eth_dest[1],
- eth_dest[2], eth_dest[3], eth_dest[4], eth_dest[5]);
}
- #endif
-
- memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
-
- link_hw_laddr_valid[dest_if] = 1;
- memcpy(&link_hw_laddr[dest_if], &hw_addr,
- sizeof(struct ether_addr));
+ if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ if (ret_arp_data->num_pkts >= NUM_DESC) {
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("Dest MAC after - %02x:%02x:%02x:%02x:%02x"
- ":%02x\n", eth_dest[0], eth_dest[1], eth_dest[2],
- eth_dest[3], eth_dest[4], eth_dest[5]);
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ return;
+ } else {
+ arp_pkts_mask |= pkt_mask;
+ arp_queue_unresolved_packet(ret_arp_data, pkt);
+ return;
+ }
}
- #endif
- memcpy(eth_src, get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
}
{
@@ -4234,55 +4284,33 @@ pkt_work_cgnapt_ipv4_pub(
#endif
return;
}
+ }
dest_address = entry->data.u.prv_ip;
+ struct arp_entry_data *ret_arp_data = NULL;
+ ret_arp_data = get_dest_mac_addr_port(dest_address, &dest_if, (struct ether_addr *)eth_dest);
+ *outport_id = p_nat->outport_id[dest_if];
- ret = local_get_nh_ipv4(dest_address, &dest_if, &nhip, p_nat);
- if (!ret) {
- dest_if = get_prv_to_pub_port(&dest_address, IP_VERSION_4);
+ if (arp_cache_dest_mac_present(dest_if)) {
+ ether_addr_copy(get_link_hw_addr(dest_if), (struct ether_addr *)eth_src);
+ arp_data_ptr[dest_if]->n_last_update = time(NULL);
- if (dest_if == INVALID_DESTIF) {
- p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DEBUGGING
- p_nat->naptDroppedPktCount6++;
- #endif
- return;
+ if (ret_arp_data && ret_arp_data->num_pkts) {
+ printf("sending buffered packets\n");
+ p_nat->naptedPktCount += ret_arp_data->num_pkts;
+ arp_send_buffered_pkts(ret_arp_data,
+ (struct ether_addr *)eth_dest, *outport_id);
}
- do_local_nh_ipv4_cache(dest_if, p_nat);
- }
-
- *outport_id = p_nat->outport_id[dest_if];
-
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2)
- printf("Ingress: \tphy_port:%d\t get_pub_to_prv():%d "
- "\tout_port%d\n", pkt->port, dest_if, *outport_id);
- #endif
- }
-
- if (local_dest_mac_present(dest_if)) {
- memcpy(eth_dest,
- get_local_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
- memcpy(eth_src, get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
} else {
- int ret;
- ret = get_dest_mac_addr_port(dest_address, &dest_if, &hw_addr);
- if (unlikely(ret != ARP_FOUND)) {
-
- if (unlikely(ret == ARP_NOT_FOUND)) {
- /* Commented code may be required for debug
- * and future use, Please keep it */
- //request_arp(*outport_id, nhip, p_nat->p.p);
- printf("%s: ARP Not Found, nhip: %x, "
- "outport_id: %d\n", __func__, nhip,
- *outport_id);
+ if (unlikely(ret_arp_data == NULL)) {
- }
+ /* Commented code may be required for debug
+ * and future use, Please keep it */
+ printf("%s: NHIP Not Found, nhip: %x, "
+ "outport_id: %d\n", __func__, nhip,
+ *outport_id);
/* Drop the pkt */
p_nat->invalid_packets |= pkt_mask;
@@ -4294,42 +4322,24 @@ pkt_work_cgnapt_ipv4_pub(
return;
}
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf
- ("MAC found for ip 0x%x, port %d - %02x:%02x: "
- "%02x:%02x:%02x:%02x\n", dest_address,
- *outport_id,
- hw_addr.addr_bytes[0], hw_addr.addr_bytes[1],
- hw_addr.addr_bytes[2], hw_addr.addr_bytes[3],
- hw_addr.addr_bytes[4], hw_addr.addr_bytes[5]
- );
-
- printf
- ("Dest MAC before - %02x:%02x:%02x:%02x "
- ":%02x:%02x\n", eth_dest[0], eth_dest[1],
- eth_dest[2], eth_dest[3], eth_dest[4],
- eth_dest[5]);
- }
- #endif
- memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
-
- link_hw_laddr_valid[dest_if] = 1;
- memcpy(&link_hw_laddr[dest_if], &hw_addr,
- sizeof(struct ether_addr));
+ if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ if (ret_arp_data->num_pkts >= NUM_DESC) {
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("Dest MAC after - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- eth_dest[0], eth_dest[1], eth_dest[2], eth_dest[3],
- eth_dest[4], eth_dest[5]);
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ return;
+ } else {
+ arp_pkts_mask |= pkt_mask;
+ arp_queue_unresolved_packet(ret_arp_data, pkt);
+ return;
+ }
}
- #endif
-
- memcpy(eth_src, get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
}
{
@@ -4466,7 +4476,7 @@ pkt_work_cgnapt_ipv4_pub(
if (ct_position < 0){
p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
+ p_nat->naptDroppedPktCount++;
return;
}
#ifdef ALGDBG
@@ -4708,101 +4718,60 @@ pkt4_work_cgnapt_ipv4_prv(
#endif
continue;
}
-
- dest_address = rte_bswap32(*dst_addr);
- ret = local_get_nh_ipv4(dest_address, &dest_if, &nhip, p_nat);
- if (!ret) {
- dest_if = get_prv_to_pub_port(&dest_address,
- IP_VERSION_4);
- if (dest_if == INVALID_DESTIF) {
- p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DEBUGGING
- p_nat->naptDroppedPktCount6++;
- #endif
- continue;
- }
- do_local_nh_ipv4_cache(dest_if, p_nat);
}
- *outport_id = p_nat->outport_id[dest_if];
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2)
- printf("Egress: \tphy_port:%d\t "
- "get_prv_to_pub():%d \tout_port:%d\n",
- pkt->port, dest_if, *outport_id);
- #endif
- }
+ dest_address = rte_bswap32(*dst_addr);
+ struct arp_entry_data *ret_arp_data = NULL;
+ uint64_t start, end;
+ ret_arp_data = get_dest_mac_addr_port(dest_address, &dest_if, (struct ether_addr *)eth_dest);
+ *outport_id = p_nat->outport_id[dest_if];
+ if (arp_cache_dest_mac_present(dest_if)) {
+ ether_addr_copy(get_link_hw_addr(dest_if), (struct ether_addr *)eth_src);
+ arp_data_ptr[dest_if]->n_last_update = time(NULL);
+
+ if (ret_arp_data && ret_arp_data->num_pkts) {
+ printf("sending buffered packets\n");
+ p_nat->naptedPktCount += ret_arp_data->num_pkts;
+ arp_send_buffered_pkts(ret_arp_data,
+ (struct ether_addr *)eth_dest, *outport_id);
+ }
- if (local_dest_mac_present(dest_if)) {
- memcpy(eth_dest,
- get_local_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
- memcpy(eth_src,
- get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
} else {
- int ret;
- ret = get_dest_mac_addr_port(dest_address, &dest_if, &hw_addr);
- if (unlikely(ret != ARP_FOUND)) {
+ if (unlikely(ret_arp_data == NULL)) {
- if (unlikely(ret == ARP_NOT_FOUND)) {
printf("%s: ARP Not Found, nhip: %x, "
"outport_id: %d\n", __func__, nhip,
*outport_id);
- //request_arp(*outport_id, nhip, p_nat->p.p);
- }
- /* Drop the pkt */
- p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
-
- #ifdef CGNAPT_DEBUGGING
- p_nat->naptDroppedPktCount4++;
- #endif
- continue;
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
- }
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("MAC found for ip 0x%x, port %d - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- dest_address,
- *outport_id,
- hw_addr.addr_bytes[0],
- hw_addr.addr_bytes[1],
- hw_addr.addr_bytes[2],
- hw_addr.addr_bytes[3],
- hw_addr.addr_bytes[4],
- hw_addr.addr_bytes[5]
- );
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ continue;
- printf("Dest MAC before - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- eth_dest[0], eth_dest[1], eth_dest[2],
- eth_dest[3], eth_dest[4], eth_dest[5]);
}
- #endif
-
- memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
- link_hw_laddr_valid[dest_if] = 1;
- memcpy(&link_hw_laddr[dest_if], &hw_addr,
- sizeof(struct ether_addr));
+ if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ if (ret_arp_data->num_pkts >= NUM_DESC) {
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("Dest MAC after - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- eth_dest[0], eth_dest[1], eth_dest[2],
- eth_dest[3], eth_dest[4], eth_dest[5]);
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ continue;
+ } else {
+ arp_pkts_mask |= pkt_mask;
+ arp_queue_unresolved_packet(ret_arp_data, pkt);
+ continue;
+ }
}
- #endif
-
- memcpy(eth_src,
- get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
}
{
@@ -5050,7 +5019,7 @@ pkt4_work_cgnapt_ipv4_pub(
#ifdef CGNAPT_DEBUGGING
p_nat->naptDroppedPktCount3++;
#endif
-
+ printf("causing p_nat->naptDroppedPktCount3\n");
continue;
}
@@ -5114,54 +5083,30 @@ pkt4_work_cgnapt_ipv4_pub(
#endif
continue;
}
-
- dest_address = entry->data.u.prv_ip;
- ret = local_get_nh_ipv4(dest_address, &dest_if, &nhip, p_nat);
- if (!ret) {
- dest_if = get_prv_to_pub_port(&dest_address, IP_VERSION_4);
-
- if (dest_if == INVALID_DESTIF) {
- p_nat->invalid_packets |= pkt_mask;
- p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DEBUGGING
- p_nat->naptDroppedPktCount6++;
- #endif
- continue;
}
+ dest_address = entry->data.u.prv_ip;
+ struct arp_entry_data *ret_arp_data = NULL;
+ ret_arp_data = get_dest_mac_addr_port(dest_address, &dest_if, (struct ether_addr *)eth_dest);
+ *outport_id = p_nat->outport_id[dest_if];
- do_local_nh_ipv4_cache(dest_if, p_nat);
- }
-
- *outport_id = p_nat->outport_id[dest_if];
-
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2)
- printf("Ingress: \tphy_port:%d\t "
- "get_pub_to_prv():%d \tout_port%d\n",
- pkt->port, dest_if,
- *outport_id);
- #endif
+ if (arp_cache_dest_mac_present(dest_if)) {
+ ether_addr_copy(get_link_hw_addr(dest_if), (struct ether_addr *)eth_src);
+ arp_data_ptr[dest_if]->n_last_update = time(NULL);
+
+ if (ret_arp_data && ret_arp_data->num_pkts) {
+ printf("sending buffered packets\n");
+ p_nat->naptedPktCount += ret_arp_data->num_pkts;
+ arp_send_buffered_pkts(ret_arp_data,
+ (struct ether_addr *)eth_dest, *outport_id);
}
- if (local_dest_mac_present(dest_if)) {
- memcpy(eth_dest,
- get_local_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
- memcpy(eth_src,
- get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
- } else {
- int ret;
- ret = get_dest_mac_addr_port(dest_address, &dest_if, &hw_addr);
+ } else {
- if (unlikely(ret != ARP_FOUND)) {
+ if (unlikely(ret_arp_data == NULL)) {
- if (unlikely(ret == ARP_NOT_FOUND)) {
- printf("%s: ARP Not Found, nhip: %x, "
- "outport_id: %d\n", __func__, nhip,
- *outport_id);
- //request_arp(*outport_id, nhip, p_nat->p.p);
- }
+ printf("%s: NHIP Not Found, nhip: %x, "
+ "outport_id: %d\n", __func__, nhip,
+ *outport_id);
/* Drop the pkt */
p_nat->invalid_packets |= pkt_mask;
@@ -5171,47 +5116,26 @@ pkt4_work_cgnapt_ipv4_pub(
p_nat->naptDroppedPktCount4++;
#endif
continue;
-
}
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("MAC found for ip 0x%x, port %d - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- dest_address, *outport_id,
- hw_addr.addr_bytes[0],
- hw_addr.addr_bytes[1],
- hw_addr.addr_bytes[2],
- hw_addr.addr_bytes[3],
- hw_addr.addr_bytes[4],
- hw_addr.addr_bytes[5]
- );
-
- printf("Dest MAC before - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- eth_dest[0], eth_dest[1], eth_dest[2],
- eth_dest[3], eth_dest[4], eth_dest[5]);
- }
- #endif
-
- memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
- link_hw_laddr_valid[dest_if] = 1;
- memcpy(&link_hw_laddr[dest_if],
- &hw_addr, sizeof(struct ether_addr));
+ if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ if (ret_arp_data->num_pkts >= NUM_DESC) {
+ /* Drop the pkt */
+ p_nat->invalid_packets |= pkt_mask;
+ p_nat->naptDroppedPktCount++;
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("Dest MAC after - %02x:%02x:%02x: "
- "%02x:%02x:%02x\n",
- eth_dest[0], eth_dest[1], eth_dest[2],
- eth_dest[3], eth_dest[4], eth_dest[5]);
+ #ifdef CGNAPT_DEBUGGING
+ p_nat->naptDroppedPktCount4++;
+ #endif
+ continue;
+ } else {
+ arp_pkts_mask |= pkt_mask;
+ arp_queue_unresolved_packet(ret_arp_data, pkt);
+ continue;
}
- #endif
-
- memcpy(eth_src,
- get_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
}
+ }
{
/* Ingress */
@@ -6159,7 +6083,6 @@ pkt_work_cgnapt_ipv6_prv(
__rte_unused void *arg,
struct pipeline_cgnapt *p_nat)
{
-
/* index into hash table entries */
int hash_table_entry = p_nat->lkup_indx[pkt_num];
@@ -6351,23 +6274,17 @@ pkt_work_cgnapt_ipv6_prv(
#endif
if (local_dest_mac_present(dest_if)) {
- memcpy(eth_dest,
- get_local_link_hw_addr(dest_if),
- sizeof(struct ether_addr));
memcpy(eth_src, get_link_hw_addr(dest_if),
sizeof(struct ether_addr));
} else {
- int ret;
- ret = get_dest_mac_addr_port(dest_address, &dest_if, &hw_addr);
+ struct arp_entry_data *ret_arp_data;
+ ret_arp_data = get_dest_mac_addr_port(dest_address, &dest_if, (struct ether_addr *)&hw_addr);
- if (unlikely(ret != ARP_FOUND)) {
+ if (unlikely(ret_arp_data == NULL)) {
- if (unlikely(ret == ARP_NOT_FOUND)) {
- printf("%s: ARP Not Found, nhip: %x, "
- "outport_id: %d\n", __func__, nhip,
- *outport_id);
- //request_arp(*outport_id, nhip, p_nat->p.p);
- }
+ printf("%s: NHIP Not Found, nhip: %x, "
+ "outport_id: %d\n", __func__, nhip,
+ *outport_id);
/* Drop the pkt */
p_nat->invalid_packets |= pkt_mask;
@@ -6377,10 +6294,12 @@ pkt_work_cgnapt_ipv6_prv(
p_nat->naptDroppedPktCount4++;
#endif
return;
-
}
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
+
+ if (ret_arp_data->status == COMPLETE) {
+
+ #ifdef CGNAPT_DBG_PRNT
+ if (CGNAPT_DEBUG > 2) {
printf("MAC found for ip 0x%x, port %d - %02x:%02x: "
"%02x:%02x:%02x:%02x\n", dest_address,
*outport_id,
@@ -6392,22 +6311,28 @@ pkt_work_cgnapt_ipv6_prv(
"%02x:%02x\n", eth_dest[0], eth_dest[1],
eth_dest[2], eth_dest[3],
eth_dest[4], eth_dest[5]);
- }
- #endif
+ }
+ #endif
- memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
+ //memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
- #ifdef CGNAPT_DBG_PRNT
- if (CGNAPT_DEBUG > 2) {
- printf("Dest MAC after - "
- "%02x:%02x:%02x:%02x:%02x:%02x\n",
- eth_dest[0], eth_dest[1], eth_dest[2], eth_dest[3],
- eth_dest[4], eth_dest[5]);
- }
- #endif
+ #ifdef CGNAPT_DBG_PRNT
+ if (CGNAPT_DEBUG > 2) {
+ printf("Dest MAC after - "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ eth_dest[0], eth_dest[1], eth_dest[2], eth_dest[3],
+ eth_dest[4], eth_dest[5]);
+ }
+ #endif
- memcpy(eth_src, get_link_hw_addr(dest_if),
+ memcpy(eth_src, get_link_hw_addr(dest_if),
sizeof(struct ether_addr));
+ } else if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ arp_queue_unresolved_packet(ret_arp_data,
+ pkt);
+ return;
+ }
}
{
@@ -6874,20 +6799,15 @@ pkt4_work_cgnapt_ipv6_prv(
memset(nh_ipv6, 0, 16);
- {
- int ret;
- ret = get_dest_mac_addr_port(dest_address, &dest_if, &hw_addr);
+ {
+ struct arp_entry_data *ret_arp_data;
+ ret_arp_data = get_dest_mac_addr_port(dest_address, &dest_if, (struct ether_addr *)&hw_addr);
- if (unlikely(ret != ARP_FOUND)) {
+ if (unlikely(ret_arp_data == NULL)) {
- if (unlikely(ret == ARP_NOT_FOUND)) {
- /* Commented code may be required for debug
- * and future use, Please keep it */
- //request_arp(*outport_id, nhip, p_nat->p.p);
- printf("%s: ARP Not Found, nhip: %x, "
- "outport_id: %d\n", __func__, nhip,
- *outport_id);
- }
+ printf("%s: NHIP Not Found, nhip: %x, "
+ "outport_id: %d\n", __func__, nhip,
+ *outport_id);
/* Drop the pkt */
p_nat->invalid_packets |= pkt_mask;
@@ -6897,9 +6817,10 @@ pkt4_work_cgnapt_ipv6_prv(
p_nat->naptDroppedPktCount4++;
#endif
continue;
-
}
+ if (ret_arp_data->status == COMPLETE) {
+
#ifdef CGNAPT_DBG_PRNT
if (CGNAPT_DEBUG > 2) {
printf("MAC found for ip 0x%x, port %d - "
@@ -6920,7 +6841,7 @@ pkt4_work_cgnapt_ipv6_prv(
}
#endif
- memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
+ //memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
#ifdef CGNAPT_DBG_PRNT
if (CGNAPT_DEBUG > 2) {
@@ -6931,10 +6852,15 @@ pkt4_work_cgnapt_ipv6_prv(
}
#endif
- memcpy(eth_src,
- get_link_hw_addr(dest_if),
+ memcpy(eth_src, get_link_hw_addr(dest_if),
sizeof(struct ether_addr));
+ } else if (ret_arp_data->status == INCOMPLETE ||
+ ret_arp_data->status == PROBE) {
+ arp_queue_unresolved_packet(ret_arp_data,
+ pkt);
+ continue;
}
+ }
{
/* Egress */
@@ -7050,8 +6976,7 @@ pkt4_work_cgnapt_ipv6_pub(
uint8_t dest_addr_ipv6[16];
uint8_t nh_ipv6[16];
uint32_t dest_if = INVALID_DESTIF;
- /* Ingress */
- {
+ { /*start of Ingress */
if (unlikely(protocol == IP_PROTOCOL_UDP
&& rte_be_to_cpu_16(*src_port) == 53)) {
@@ -7086,7 +7011,7 @@ pkt4_work_cgnapt_ipv6_pub(
}
*outport_id = p_nat->outport_id[dest_if];
- }
+ }/* end of ingress */
#ifdef CGNAPT_DEBUGGING
static int static_count;
@@ -7147,7 +7072,7 @@ pkt4_work_cgnapt_ipv6_pub(
}
{
- /* Ingress */
+ /* start of Ingress */
convert_ipv4_to_ipv6(pkt, &ipv4_hdr);
@@ -7175,7 +7100,7 @@ pkt4_work_cgnapt_ipv6_pub(
#endif
p_nat->inaptedPktCount++;
- }
+ } /* end of ingress */
p_nat->naptedPktCount++;
@@ -7185,7 +7110,7 @@ pkt4_work_cgnapt_ipv6_pub(
else
sw_checksum(pkt, pkt_type);
#endif
- }
+ } /* end of for loop */
}
/**
@@ -7891,12 +7816,11 @@ pkt_miss_cgnapt(struct pipeline_cgnapt_entry_key *key,
printf("Add Dynamic NAT entry failed "
"in pkt!!!\n");
#endif
- } else {
+ } else {
#ifdef CGNAPT_DEBUGGING
p_nat->missedpktcount11++;
#endif
- }
-
+ }
}
} else if (!is_phy_port_privte(phy_port)) {
@@ -8389,7 +8313,6 @@ pipeline_cgnapt_parse_args(struct pipeline_cgnapt *p,
return 0;
}
-
/**
* Function to initialize the pipeline
*
@@ -8417,6 +8340,7 @@ static void *pipeline_cgnapt_init(struct pipeline_params *params, void *arg)
size = RTE_CACHE_LINE_ROUNDUP(sizeof(struct pipeline_cgnapt));
p = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
p_nat = (struct pipeline_cgnapt *)p;
+ global_pnat = p_nat;
if (p == NULL)
return NULL;
@@ -9260,10 +9184,10 @@ pipeline_cgnapt_msg_req_entry_addm_pair(
}
#endif
- if (CGNAPT_DEBUG > 2)
- printf("key.ip %x, key.port %d", key.ip, key.port);
- printf("key.pid %d, in_type %d,", key.pid, type);
- printf("entry_type %d\n", entry.data.type);
+ //if (CGNAPT_DEBUG > 2)
+ //printf("key.ip %x, key.port %d", key.ip, key.port);
+ //printf("key.pid %d, in_type %d,", key.pid, type);
+ //printf("entry_type %d\n", entry.data.type);
int32_t position = rte_hash_add_key(napt_common_table, &key);
diff --git a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.h b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.h
index e5106bf..943d0fc 100644
--- a/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.h
+++ b/VNFs/vCGNAPT/pipeline/pipeline_cgnapt_be.h
@@ -779,7 +779,6 @@ void calculate_hw_checksum(
uint8_t protocol);
uint64_t nextPowerOf2(uint64_t n);
-struct ether_addr *get_local_link_hw_addr(uint8_t out_port);
uint8_t local_dest_mac_present(uint8_t out_port);
enum PKT_TYPE {