This field is added for librte_distributor. User of librte_distributor
is advocated to set value of mbuf->hash.usr before calling
rte_distributor_process. The value of usr is the tag which stands as
identifier of flow.
Signed-off-by: Qinglai Xiao <jigsaw at gmail.com>
---
app/test/test_distributor.c | 18 +++++++++---------
app/test/test_distributor_perf.c | 4 ++--
lib/librte_distributor/rte_distributor.c | 2 +-
lib/librte_mbuf/rte_mbuf.h | 1 +
4 files changed, 13 insertions(+), 12 deletions(-)
diff --git a/app/test/test_distributor.c b/app/test/test_distributor.c
index ce06436..9e8c06d 100644
--- a/app/test/test_distributor.c
+++ b/app/test/test_distributor.c
@@ -120,7 +120,7 @@ sanity_test(struct rte_distributor *d, struct rte_mempool
*p)
/* now set all hash values in all buffers to zero, so all pkts go to the
* one worker thread */
for (i = 0; i < BURST; i++)
- bufs[i]->hash.rss = 0;
+ bufs[i]->hash.usr = 0;
rte_distributor_process(d, bufs, BURST);
rte_distributor_flush(d);
@@ -142,7 +142,7 @@ sanity_test(struct rte_distributor *d, struct rte_mempool
*p)
if (rte_lcore_count() >= 3) {
clear_packet_count();
for (i = 0; i < BURST; i++)
- bufs[i]->hash.rss = (i & 1) << 8;
+ bufs[i]->hash.usr = (i & 1) << 8;
rte_distributor_process(d, bufs, BURST);
rte_distributor_flush(d);
@@ -167,7 +167,7 @@ sanity_test(struct rte_distributor *d, struct rte_mempool
*p)
* so load gets distributed */
clear_packet_count();
for (i = 0; i < BURST; i++)
- bufs[i]->hash.rss = i;
+ bufs[i]->hash.usr = i;
rte_distributor_process(d, bufs, BURST);
rte_distributor_flush(d);
@@ -199,7 +199,7 @@ sanity_test(struct rte_distributor *d, struct rte_mempool
*p)
return -1;
}
for (i = 0; i < BIG_BATCH; i++)
- many_bufs[i]->hash.rss = i << 2;
+ many_bufs[i]->hash.usr = i << 2;
for (i = 0; i < BIG_BATCH/BURST; i++) {
rte_distributor_process(d, &many_bufs[i*BURST], BURST);
@@ -280,7 +280,7 @@ sanity_test_with_mbuf_alloc(struct rte_distributor *d,
struct rte_mempool *p)
while (rte_mempool_get_bulk(p, (void *)bufs, BURST) < 0)
rte_distributor_process(d, NULL, 0);
for (j = 0; j < BURST; j++) {
- bufs[j]->hash.rss = (i+j) << 1;
+ bufs[j]->hash.usr = (i+j) << 1;
rte_mbuf_refcnt_set(bufs[j], 1);
}
@@ -359,7 +359,7 @@ sanity_test_with_worker_shutdown(struct rte_distributor *d,
/* now set all hash values in all buffers to zero, so all pkts go to the
* one worker thread */
for (i = 0; i < BURST; i++)
- bufs[i]->hash.rss = 0;
+ bufs[i]->hash.usr = 0;
rte_distributor_process(d, bufs, BURST);
/* at this point, we will have processed some packets and have a full
@@ -372,7 +372,7 @@ sanity_test_with_worker_shutdown(struct rte_distributor *d,
return -1;
}
for (i = 0; i < BURST; i++)
- bufs[i]->hash.rss = 0;
+ bufs[i]->hash.usr = 0;
/* get worker zero to quit */
zero_quit = 1;
@@ -416,7 +416,7 @@ test_flush_with_worker_shutdown(struct rte_distributor *d,
/* now set all hash values in all buffers to zero, so all pkts go to the
* one worker thread */
for (i = 0; i < BURST; i++)
- bufs[i]->hash.rss = 0;
+ bufs[i]->hash.usr = 0;
rte_distributor_process(d, bufs, BURST);
/* at this point, we will have processed some packets and have a full
@@ -488,7 +488,7 @@ quit_workers(struct rte_distributor *d, struct rte_mempool
*p)
zero_quit = 0;
quit = 1;
for (i = 0; i < num_workers; i++)
- bufs[i]->hash.rss = i << 1;
+ bufs[i]->hash.usr = i << 1;
rte_distributor_process(d, bufs, num_workers);
rte_mempool_put_bulk(p, (void *)bufs, num_workers);
diff --git a/app/test/test_distributor_perf.c b/app/test/test_distributor_perf.c
index b04864c..48ee344 100644
--- a/app/test/test_distributor_perf.c
+++ b/app/test/test_distributor_perf.c
@@ -159,7 +159,7 @@ perf_test(struct rte_distributor *d, struct rte_mempool *p)
}
/* ensure we have different hash value for each pkt */
for (i = 0; i < BURST; i++)
- bufs[i]->hash.rss = i;
+ bufs[i]->hash.usr = i;
start = rte_rdtsc();
for (i = 0; i < (1<<ITER_POWER); i++)
@@ -198,7 +198,7 @@ quit_workers(struct rte_distributor *d, struct rte_mempool
*p)
quit = 1;
for (i = 0; i < num_workers; i++)
- bufs[i]->hash.rss = i << 1;
+ bufs[i]->hash.usr = i << 1;
rte_distributor_process(d, bufs, num_workers);
rte_mempool_put_bulk(p, (void *)bufs, num_workers);
diff --git a/lib/librte_distributor/rte_distributor.c
b/lib/librte_distributor/rte_distributor.c
index 656ee5c..3dfec4a 100644
--- a/lib/librte_distributor/rte_distributor.c
+++ b/lib/librte_distributor/rte_distributor.c
@@ -289,7 +289,7 @@ rte_distributor_process(struct rte_distributor *d,
* use the zero-value to indicate that no packet is
* being processed by a worker.
*/
- new_tag = (next_mb->hash.rss | 1);
+ new_tag = (next_mb->hash.usr | 1);
uint32_t match = 0;
unsigned i;
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index e8f9bfc..f5f8658 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -185,6 +185,7 @@ struct rte_mbuf {
uint16_t id;
} fdir; /**< Filter identifier if FDIR enabled */
uint32_t sched; /**< Hierarchical scheduler */
+ uint32_t usr; /**< User defined tags. See
@rte_distributor_process */
} hash; /**< hash information */
/* second cache line - fields only used in slow path or on TX */
--
1.7.1
