From: Bogdan Pricope <[email protected]>
Signed-off-by: Bogdan Pricope <[email protected]>
---
/** Email created from pull request 118 (bogdanPricope:pktref_generator_pr)
** https://github.com/Linaro/odp/pull/118
** Patch: https://github.com/Linaro/odp/pull/118.patch
** Base sha: e76b25aa5cafbf96133fcbd83b856090b0e95f33
** Merge commit sha: a2a1459eb2047f247e54c2e3476a178c29384326
**/
example/generator/odp_generator.c | 165 +++++++++++++++++++++++---------------
1 file changed, 100 insertions(+), 65 deletions(-)
diff --git a/example/generator/odp_generator.c
b/example/generator/odp_generator.c
index 9336cec1..f3ec43be 100644
--- a/example/generator/odp_generator.c
+++ b/example/generator/odp_generator.c
@@ -136,6 +136,7 @@ static void millisleep(uint32_t ms,
uint64_t ticks = odp_timer_ns_to_tick(tp, 1000000ULL * ms);
odp_event_t ev = odp_timeout_to_event(tmo);
int rc = odp_timer_set_rel(tim, ticks, &ev);
+
if (rc != ODP_TIMER_SUCCESS)
EXAMPLE_ABORT("odp_timer_set_rel() failed\n");
/* Spin waiting for timeout event */
@@ -186,12 +187,76 @@ static int scan_ip(char *buf, unsigned int *paddr)
}
/**
+ * Setup array of reference packets
+ *
+ * @param pool Packet pool
+ * @param pkt_ref_array Packet array
+ * @param pkt_ref_array_size Packet array size
+ * @param setup_ref Packet setup function
+ * @return 0 success, -1 failed
+*/
+static int setup_pkt_ref_array(odp_pool_t pool,
+ odp_packet_t *pkt_ref_array,
+ int pkt_ref_array_size,
+ odp_packet_t (*setup_ref)(odp_pool_t))
+{
+ int i;
+
+ for (i = 0; i < pkt_ref_array_size; i++) {
+ pkt_ref_array[i] = (*setup_ref)(pool);
+ if (pkt_ref_array[i] == ODP_PACKET_INVALID)
+ break;
+ }
+
+ if (i < pkt_ref_array_size) {
+ odp_packet_free_multi(pkt_ref_array, i);
+ return -1;
+ }
+ return 0;
+}
+
+/**
+ * Setup array of packets
+ *
+ * @param pkt_ref_array Reference packet array
+ * @param pkt_array Packet array
+ * @param pkt_array_size Packet array size
+ * @param setup_pkt Packet setup function
+ * @return 0 success, -1 failed
+*/
+static int setup_pkt_array(odp_packet_t *pkt_ref_array,
+ odp_packet_t *pkt_array,
+ int pkt_array_size,
+ int (*setup_pkt)(odp_packet_t))
+{
+ int i;
+
+ for (i = 0; i < pkt_array_size; i++) {
+ if ((*setup_pkt)(pkt_ref_array[i]))
+ break;
+
+ pkt_array[i] = odp_packet_ref_static(pkt_ref_array[i]);
+ if (pkt_array[i] == ODP_PACKET_INVALID)
+ break;
+ }
+ if (i < pkt_array_size) {
+ if (i)
+ odp_packet_free_multi(pkt_array, i - 1);
+
+ return -1;
+ }
+ return 0;
+}
+
+/**
* set up an udp packet reference
*
* @param pool Buffer pool to create packet in
*
- * @return Handle of created packet
+ *
+ * @retval Handle of created packet
* @retval ODP_PACKET_INVALID Packet could not be created
+ *
*/
static odp_packet_t setup_udp_pkt_ref(odp_pool_t pool)
{
@@ -246,37 +311,27 @@ static odp_packet_t setup_udp_pkt_ref(odp_pool_t pool)
/**
* set up an udp packet
*
- * @param pool Buffer pool to create packet in
- * @param pkt_ref Reference UDP packet
+ * @param pkt Reference UDP packet
*
- * @return Handle of created packet
- * @retval ODP_PACKET_INVALID Packet could not be created
+ * @return Success/Failed
+ * @retval 0 on success, -1 on fail
*/
-static odp_packet_t pack_udp_pkt(odp_pool_t pool, odp_packet_t pkt_ref)
+static int setup_udp_pkt(odp_packet_t pkt)
{
- odp_packet_t pkt;
char *buf;
odph_ipv4hdr_t *ip;
unsigned short seq;
- pkt = odp_packet_alloc(pool, args->appl.payload + ODPH_UDPHDR_LEN +
- ODPH_IPV4HDR_LEN + ODPH_ETHHDR_LEN);
-
- if (pkt == ODP_PACKET_INVALID)
- return pkt;
-
buf = (char *)odp_packet_data(pkt);
- odp_memcpy(buf, odp_packet_data(pkt_ref),
- args->appl.payload + ODPH_UDPHDR_LEN +
- ODPH_IPV4HDR_LEN + ODPH_ETHHDR_LEN);
/*Update IP ID and checksum*/
ip = (odph_ipv4hdr_t *)(buf + ODPH_ETHHDR_LEN);
seq = odp_atomic_fetch_add_u64(&counters.seq, 1) % 0xFFFF;
ip->id = odp_cpu_to_be_16(seq);
+ ip->chksum = 0;
ip->chksum = odph_chksum(ip, ODPH_IPV4HDR_LEN);
- return pkt;
+ return 0;
}
/**
@@ -337,15 +392,13 @@ static odp_packet_t setup_icmp_pkt_ref(odp_pool_t pool)
/**
* Set up an icmp packet
*
- * @param pool Buffer pool to create packet in
- * @param pkt_ref Reference ICMP packet
+ * @param pkt Reference ICMP packet
*
- * @return Handle of created packet
- * @retval ODP_PACKET_INVALID Packet could not be created
+ * @return Success/Failed
+ * @retval 0 on success, -1 on fail
*/
-static odp_packet_t pack_icmp_pkt(odp_pool_t pool, odp_packet_t pkt_ref)
+static int setup_icmp_pkt(odp_packet_t pkt)
{
- odp_packet_t pkt;
char *buf;
odph_ipv4hdr_t *ip;
odph_icmphdr_t *icmp;
@@ -353,21 +406,13 @@ static odp_packet_t pack_icmp_pkt(odp_pool_t pool,
odp_packet_t pkt_ref)
uint8_t *tval_d;
unsigned short seq;
- pkt = odp_packet_alloc(pool, args->appl.payload + ODPH_ICMPHDR_LEN +
- ODPH_IPV4HDR_LEN + ODPH_ETHHDR_LEN);
-
- if (pkt == ODP_PACKET_INVALID)
- return pkt;
-
buf = (char *)odp_packet_data(pkt);
- odp_memcpy(buf, odp_packet_data(pkt_ref),
- args->appl.payload + ODPH_ICMPHDR_LEN +
- ODPH_IPV4HDR_LEN + ODPH_ETHHDR_LEN);
/* ip */
ip = (odph_ipv4hdr_t *)(buf + ODPH_ETHHDR_LEN);
seq = odp_atomic_fetch_add_u64(&counters.seq, 1) % 0xffff;
ip->id = odp_cpu_to_be_16(seq);
+ ip->chksum = 0;
ip->chksum = odph_chksum(ip, ODPH_IPV4HDR_LEN);
/* icmp */
@@ -382,7 +427,7 @@ static odp_packet_t pack_icmp_pkt(odp_pool_t pool,
odp_packet_t pkt_ref)
icmp->chksum = 0;
icmp->chksum = odph_chksum(icmp, args->appl.payload + ODPH_ICMPHDR_LEN);
- return pkt;
+ return 0;
}
/**
@@ -479,33 +524,40 @@ static int create_pktio(const char *dev, odp_pool_t pool,
static int gen_send_thread(void *arg)
{
int thr;
- int ret, i;
+ int ret = 0;
thread_args_t *thr_args;
odp_pktout_queue_t pktout;
+ odp_packet_t pkt_ref_array[MAX_UDP_TX_BURST];
odp_packet_t pkt_array[MAX_UDP_TX_BURST];
int pkt_array_size;
int burst_start, burst_size;
- odp_packet_t pkt_ref = ODP_PACKET_INVALID;
+ odp_packet_t (*setup_pkt_ref)(odp_pool_t) = NULL;
+ int (*setup_pkt)(odp_packet_t) = NULL;
thr = odp_thread_id();
thr_args = arg;
pktout = thr_args->pktout;
+ /* Create reference packets*/
if (args->appl.mode == APPL_MODE_UDP) {
- pkt_ref = setup_udp_pkt_ref(thr_args->pool);
pkt_array_size = args->appl.udp_tx_burst;
+ setup_pkt_ref = setup_udp_pkt_ref;
+ setup_pkt = setup_udp_pkt;
} else if (args->appl.mode == APPL_MODE_PING) {
- pkt_ref = setup_icmp_pkt_ref(thr_args->pool);
pkt_array_size = 1;
+ setup_pkt_ref = setup_icmp_pkt_ref;
+ setup_pkt = setup_icmp_pkt;
} else {
EXAMPLE_ERR(" [%02i] Error: invalid processing mode %d\n",
thr, args->appl.mode);
return -1;
}
- if (pkt_ref == ODP_PACKET_INVALID) {
- EXAMPLE_ERR(" [%2i] Error: reference packet creation failed\n",
- thr);
+
+ if (setup_pkt_ref_array(thr_args->pool, pkt_ref_array,
+ pkt_array_size, setup_pkt_ref)) {
+ EXAMPLE_ERR("[%02i] Error: failed to create"
+ " reference packets\n", thr);
return -1;
}
@@ -519,30 +571,15 @@ static int gen_send_thread(void *arg)
(unsigned int)args->appl.number)
break;
- if (args->appl.mode == APPL_MODE_UDP) {
- for (i = 0; i < pkt_array_size; i++) {
- pkt_array[i] = pack_udp_pkt(thr_args->pool,
- pkt_ref);
- if (!odp_packet_is_valid(pkt_array[i]))
- break;
- }
- if (i != pkt_array_size) {
- EXAMPLE_ERR(" [%2i] alloc_multi failed\n",
- thr);
- odp_packet_free_multi(pkt_array, i);
- break;
- }
- } else if (args->appl.mode == APPL_MODE_PING) {
- pkt_array[0] = pack_icmp_pkt(thr_args->pool, pkt_ref);
- if (!odp_packet_is_valid(pkt_array[0])) {
- EXAMPLE_ERR(" [%2i] alloc_single failed\n",
- thr);
- break;
- }
- } else {
+ /* Setup TX burst*/
+ if (setup_pkt_array(pkt_ref_array, pkt_array,
+ pkt_array_size, setup_pkt)) {
+ EXAMPLE_ERR("[%02i] Error: failed to setup packets\n",
+ thr);
break;
}
+ /* Send TX burst*/
for (burst_start = 0, burst_size = pkt_array_size;;) {
ret = odp_pktout_send(pktout, &pkt_array[burst_start],
burst_size);
@@ -572,7 +609,6 @@ static int gen_send_thread(void *arg)
thr_args->tim,
thr_args->tq,
thr_args->tmo_ev);
-
}
}
@@ -590,7 +626,8 @@ static int gen_send_thread(void *arg)
args->appl.timeout--;
}
}
- odp_packet_free(pkt_ref);
+
+ odp_packet_free_multi(pkt_ref_array, pkt_array_size);
return 0;
}
@@ -1084,7 +1121,6 @@ int main(int argc, char *argv[])
odph_odpthreads_create(&thread_tbl[i],
&thd_mask, &thr_params);
cpu = odp_cpumask_next(&cpumask, cpu);
-
}
}
@@ -1132,7 +1168,6 @@ int main(int argc, char *argv[])
return 0;
}
-
/**
* Parse and store the command line arguments
*
