diff options
Diffstat (limited to 'VNFs/DPPD-PROX/handle_gen.c')
| -rw-r--r-- | VNFs/DPPD-PROX/handle_gen.c | 61 |
1 files changed, 60 insertions, 1 deletions
diff --git a/VNFs/DPPD-PROX/handle_gen.c b/VNFs/DPPD-PROX/handle_gen.c index 77e9acad..363ee17d 100644 --- a/VNFs/DPPD-PROX/handle_gen.c +++ b/VNFs/DPPD-PROX/handle_gen.c @@ -57,6 +57,13 @@ struct pkt_template { uint8_t *buf; }; +#define MAX_STORE_PKT_SIZE 2048 + +struct packet { + unsigned int len; + unsigned char buf[MAX_STORE_PKT_SIZE]; +}; + #define IP4(x) x & 0xff, (x >> 8) & 0xff, (x >> 16) & 0xff, x >> 24 #define DO_PANIC 1 @@ -140,6 +147,10 @@ struct task_gen { uint32_t imix_pkt_sizes[MAX_IMIX_PKTS]; uint32_t imix_nb_pkts; uint32_t new_imix_nb_pkts; + uint32_t store_pkt_id; + uint32_t store_msk; + struct packet *store_buf; + FILE *fp; } __rte_cache_aligned; static void task_gen_set_pkt_templates_len(struct task_gen *task, uint32_t *pkt_sizes); @@ -984,6 +995,17 @@ static int handle_gen_bulk(struct task_base *tbase, struct rte_mbuf **mbufs, uin tsc_before_tx = task_gen_write_latency(task, pkt_hdr, send_bulk); task_gen_checksum_packets(task, new_pkts, pkt_hdr, send_bulk); + if (task->store_msk) { + for (uint32_t i = 0; i < send_bulk; i++) { + if (out[i] != OUT_DISCARD) { + uint8_t *hdr; + hdr = (uint8_t *)rte_pktmbuf_mtod(new_pkts[i], prox_rte_ether_hdr *); + memcpy(&task->store_buf[task->store_pkt_id & task->store_msk].buf, hdr, rte_pktmbuf_pkt_len(new_pkts[i])); + task->store_buf[task->store_pkt_id & task->store_msk].len = rte_pktmbuf_pkt_len(new_pkts[i]); + task->store_pkt_id++; + } + } + } ret = task->base.tx_pkt(&task->base, new_pkts, send_bulk, out); task_gen_store_accuracy(task, send_bulk, tsc_before_tx); @@ -1529,6 +1551,31 @@ static void start(struct task_base *tbase) */ } +static void stop_gen(struct task_base *tbase) +{ + uint32_t i, j; + struct task_gen *task = (struct task_gen *)tbase; + if (task->store_msk) { + for (i = task->store_pkt_id & task->store_msk; i < task->store_msk + 1; i++) { + if (task->store_buf[i].len) { + fprintf(task->fp, "%06d: ", i); + for (j = 0; j < task->store_buf[i].len; j++) { + fprintf(task->fp, "%02x ", task->store_buf[i].buf[j]); + } + fprintf(task->fp, "\n"); + } + } + for (i = 0; i < (task->store_pkt_id & task->store_msk); i++) { + if (task->store_buf[i].len) { + fprintf(task->fp, "%06d: ", i); + for (j = 0; j < task->store_buf[i].len; j++) { + fprintf(task->fp, "%02x ", task->store_buf[i].buf[j]); + } + fprintf(task->fp, "\n"); + } + } + } +} static void start_pcap(struct task_base *tbase) { struct task_gen_pcap *task = (struct task_gen_pcap *)tbase; @@ -1656,6 +1703,17 @@ static void init_task_gen(struct task_base *tbase, struct task_args *targ) for (uint32_t i = 0; i < targ->n_ranges; ++i) { PROX_PANIC(task_gen_add_range(tbase, &targ->range[i]), "Failed to add range\n"); } + if (targ->store_max) { + char filename[256]; + sprintf(filename, "gen_buf_%02d_%02d", targ->lconf->id, targ->task); + + task->store_msk = targ->store_max - 1; + task->store_buf = (struct packet *)malloc(sizeof(struct packet) * targ->store_max); + task->fp = fopen(filename, "w+"); + PROX_PANIC(task->fp == NULL, "Unable to open %s\n", filename); + } else { + task->store_msk = 0; + } } static struct task_init task_init_gen = { @@ -1671,7 +1729,8 @@ static struct task_init task_init_gen = { #else .flag_features = TASK_FEATURE_NEVER_DISCARDS | TASK_FEATURE_NO_RX, #endif - .size = sizeof(struct task_gen) + .size = sizeof(struct task_gen), + .stop_last = stop_gen }; static struct task_init task_init_gen_l3 = { |