Added initial support for BGP

[samplevnf.git] / VNFs / DPPD-PROX / packet_utils.h

diff --git a/VNFs/DPPD-PROX/packet_utils.h b/VNFs/DPPD-PROX/packet_utils.h
index cb4dc91..021528d 100644 (file)
--- a/VNFs/DPPD-PROX/packet_utils.h
+++ b/VNFs/DPPD-PROX/packet_utils.h
@@ -16,6 +16,7 @@
 #ifndef _PACKET_UTILS_H_
 #define _PACKET_UTILS_H_
 
+#include "prox_compat.h"
 #include "arp.h"
 #include "quit.h"
 #include "prox_malloc.h"
@@ -26,7 +27,7 @@
 #define FLAG_DST_MAC_KNOWN     1
 #define MAX_ARP_ENTRIES        65536
 
-#define IP4(x) x & 0xff, (x >> 8) & 0xff, (x >> 16) & 0xff, x >> 24
+#define IP4(x) x & 0xff, (x >> 8) & 0xff, (x >> 16) & 0xff, x >> 24    // From Network (BE)
 enum {
        SEND_MBUF_AND_ARP,
        SEND_MBUF,
@@ -42,7 +43,8 @@ struct arp_table {
        uint64_t arp_update_time;
        uint64_t arp_timeout;
        uint32_t ip;
-       struct ether_addr mac;
+       uint32_t nh;
+       prox_rte_ether_addr mac;
 };
 struct l3_base {
        struct rte_ring *ctrl_plane_ring;
@@ -54,18 +56,30 @@ struct l3_base {
        uint8_t task_id;
        uint32_t arp_timeout;
        uint32_t arp_update_time;
+       uint seed;
+       prox_next_hop_index_type nb_gws;
        struct arp_table gw;
        struct arp_table optimized_arp_table[4];
        struct rte_hash *ip_hash;
        struct arp_table *arp_table;
        struct rte_mempool *arp_pool;
+       struct rte_lpm *ipv4_lpm;
+       struct arp_table *next_hops;
 };
 
 void task_init_l3(struct task_base *tbase, struct task_args *targ);
 void task_start_l3(struct task_base *tbase, struct task_args *targ);
-int write_dst_mac(struct task_base *tbase, struct rte_mbuf *mbuf, uint32_t *ip_dst);
+int write_dst_mac(struct task_base *tbase, struct rte_mbuf *mbuf, uint32_t *ip_dst, uint64_t **time);
 void task_set_gateway_ip(struct task_base *tbase, uint32_t ip);
 void task_set_local_ip(struct task_base *tbase, uint32_t ip);
 void handle_ctrl_plane_pkts(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts);
 
+static inline void update_arp_update_time(struct l3_base *l3, uint64_t *ptr, uint32_t base)
+{
+       // randomize timers - from 0.5 to 1.5 * configured time
+       const uint64_t hz = rte_get_tsc_hz();
+       uint64_t tsc = rte_rdtsc();
+       uint64_t rand = 500 + (1000L * rand_r(&l3->seed)) / RAND_MAX;
+       *ptr = tsc + (base * rand / 1000) * hz / 1000;
+}
 #endif /* _PACKET_UTILS_H_ */