Add RTE_ASSERT() to check that different move_tail() flavors return meaningful *entries value. It also helps to ensure that inside move_tail(), it uses correct head/tail values.
Signed-off-by: Konstantin Ananyev <konstantin.anan...@huawei.com> --- lib/ring/rte_ring_c11_pvt.h | 2 +- lib/ring/rte_ring_elem_pvt.h | 8 ++++++-- lib/ring/rte_ring_hts_elem_pvt.h | 8 ++++++-- lib/ring/rte_ring_rts_elem_pvt.h | 8 ++++++-- lib/ring/soring.c | 2 ++ 5 files changed, 21 insertions(+), 7 deletions(-) diff --git a/lib/ring/rte_ring_c11_pvt.h b/lib/ring/rte_ring_c11_pvt.h index b9388af0da..0845cd6dcf 100644 --- a/lib/ring/rte_ring_c11_pvt.h +++ b/lib/ring/rte_ring_c11_pvt.h @@ -104,10 +104,10 @@ __rte_ring_headtail_move_head(struct rte_ring_headtail *d, n = (behavior == RTE_RING_QUEUE_FIXED) ? 0 : *entries; + *new_head = *old_head + n; if (n == 0) return 0; - *new_head = *old_head + n; if (is_st) { d->head = *new_head; success = 1; diff --git a/lib/ring/rte_ring_elem_pvt.h b/lib/ring/rte_ring_elem_pvt.h index 6eafae121f..2e71040830 100644 --- a/lib/ring/rte_ring_elem_pvt.h +++ b/lib/ring/rte_ring_elem_pvt.h @@ -341,8 +341,10 @@ __rte_ring_move_prod_head(struct rte_ring *r, unsigned int is_sp, uint32_t *old_head, uint32_t *new_head, uint32_t *free_entries) { - return __rte_ring_headtail_move_head(&r->prod, &r->cons, r->capacity, + n = __rte_ring_headtail_move_head(&r->prod, &r->cons, r->capacity, is_sp, n, behavior, old_head, new_head, free_entries); + RTE_ASSERT(*free_entries <= r->capacity); + return n; } /** @@ -374,8 +376,10 @@ __rte_ring_move_cons_head(struct rte_ring *r, unsigned int is_sc, uint32_t *old_head, uint32_t *new_head, uint32_t *entries) { - return __rte_ring_headtail_move_head(&r->cons, &r->prod, 0, + n = __rte_ring_headtail_move_head(&r->cons, &r->prod, 0, is_sc, n, behavior, old_head, new_head, entries); + RTE_ASSERT(*entries <= r->capacity); + return n; } /** diff --git a/lib/ring/rte_ring_hts_elem_pvt.h b/lib/ring/rte_ring_hts_elem_pvt.h index e2b82dd1e6..c59e5f6420 100644 --- a/lib/ring/rte_ring_hts_elem_pvt.h +++ b/lib/ring/rte_ring_hts_elem_pvt.h @@ -136,8 +136,10 @@ __rte_ring_hts_move_prod_head(struct rte_ring *r, unsigned int num, enum rte_ring_queue_behavior behavior, uint32_t *old_head, uint32_t *free_entries) { - return __rte_ring_hts_move_head(&r->hts_prod, &r->cons, + num = __rte_ring_hts_move_head(&r->hts_prod, &r->cons, r->capacity, num, behavior, old_head, free_entries); + RTE_ASSERT(*free_entries <= r->capacity); + return num; } /** @@ -148,8 +150,10 @@ __rte_ring_hts_move_cons_head(struct rte_ring *r, unsigned int num, enum rte_ring_queue_behavior behavior, uint32_t *old_head, uint32_t *entries) { - return __rte_ring_hts_move_head(&r->hts_cons, &r->prod, + num = __rte_ring_hts_move_head(&r->hts_cons, &r->prod, 0, num, behavior, old_head, entries); + RTE_ASSERT(*entries <= r->capacity); + return num; } /** diff --git a/lib/ring/rte_ring_rts_elem_pvt.h b/lib/ring/rte_ring_rts_elem_pvt.h index 96825931f8..509fa674fb 100644 --- a/lib/ring/rte_ring_rts_elem_pvt.h +++ b/lib/ring/rte_ring_rts_elem_pvt.h @@ -152,8 +152,10 @@ __rte_ring_rts_move_prod_head(struct rte_ring *r, uint32_t num, enum rte_ring_queue_behavior behavior, uint32_t *old_head, uint32_t *free_entries) { - return __rte_ring_rts_move_head(&r->rts_prod, &r->cons, + num = __rte_ring_rts_move_head(&r->rts_prod, &r->cons, r->capacity, num, behavior, old_head, free_entries); + RTE_ASSERT(*free_entries <= r->capacity); + return num; } /** @@ -164,8 +166,10 @@ __rte_ring_rts_move_cons_head(struct rte_ring *r, uint32_t num, enum rte_ring_queue_behavior behavior, uint32_t *old_head, uint32_t *entries) { - return __rte_ring_rts_move_head(&r->rts_cons, &r->prod, + num = __rte_ring_rts_move_head(&r->rts_cons, &r->prod, 0, num, behavior, old_head, entries); + RTE_ASSERT(*entries <= r->capacity); + return num; } /** diff --git a/lib/ring/soring.c b/lib/ring/soring.c index 797484d6bf..21a1a27e24 100644 --- a/lib/ring/soring.c +++ b/lib/ring/soring.c @@ -156,6 +156,7 @@ __rte_soring_move_prod_head(struct rte_soring *r, uint32_t num, n = 0; } + RTE_ASSERT(*free <= r->capacity); return n; } @@ -190,6 +191,7 @@ __rte_soring_move_cons_head(struct rte_soring *r, uint32_t stage, uint32_t num, n = 0; } + RTE_ASSERT(*avail <= r->capacity); return n; } -- 2.43.0