[dpdk-dev] [PATCH v2 4/5] event/octeontx2: update SSO buffers based on timer count

[pbhagavatula at marvell.com]

From: Pavan Nikhilesh <pbhagavatula at marvell.com>

Update SSO internal XAQ buffers based on number of timers in event timer
adapter.

Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
 drivers/event/octeontx2/otx2_evdev.h       |  6 +-
 drivers/event/octeontx2/otx2_evdev_adptr.c | 84 +++++++++++++++++-----
 drivers/event/octeontx2/otx2_tim_evdev.c   |  7 +-
 drivers/event/octeontx2/otx2_tim_evdev.h   |  1 +
 4 files changed, 74 insertions(+), 24 deletions(-)

diff --git a/drivers/event/octeontx2/otx2_evdev.h b/drivers/event/octeontx2/otx2_evdev.h
index 530060f81..231a12a52 100644
--- a/drivers/event/octeontx2/otx2_evdev.h
+++ b/drivers/event/octeontx2/otx2_evdev.h
@@ -14,6 +14,7 @@
 #include "otx2_dev.h"
 #include "otx2_ethdev.h"
 #include "otx2_mempool.h"
+#include "otx2_tim_evdev.h"
 
 #define EVENTDEV_NAME_OCTEONTX2_PMD otx2_eventdev
 
@@ -137,9 +138,12 @@ struct otx2_sso_evdev {
 	struct rte_mempool *xaq_pool;
 	uint64_t rx_offloads;
 	uint64_t tx_offloads;
+	uint64_t adptr_xae_cnt;
 	uint16_t rx_adptr_pool_cnt;
-	uint32_t adptr_xae_cnt;
 	uint64_t *rx_adptr_pools;
+	uint16_t tim_adptr_ring_cnt;
+	uint16_t *timer_adptr_rings;
+	uint64_t *timer_adptr_sz;
 	/* Dev args */
 	uint8_t dual_ws;
 	uint8_t selftest;
diff --git a/drivers/event/octeontx2/otx2_evdev_adptr.c b/drivers/event/octeontx2/otx2_evdev_adptr.c
index d8a06a593..233cba2aa 100644
--- a/drivers/event/octeontx2/otx2_evdev_adptr.c
+++ b/drivers/event/octeontx2/otx2_evdev_adptr.c
@@ -199,41 +199,87 @@ sso_rxq_disable(struct otx2_eth_dev *dev, uint16_t qid)
 void
 sso_updt_xae_cnt(struct otx2_sso_evdev *dev, void *data, uint32_t event_type)
 {
+	int i;
+
 	switch (event_type) {
 	case RTE_EVENT_TYPE_ETHDEV:
 	{
 		struct otx2_eth_rxq *rxq = data;
-		int i, match = false;
 		uint64_t *old_ptr;
 
 		for (i = 0; i < dev->rx_adptr_pool_cnt; i++) {
 			if ((uint64_t)rxq->pool == dev->rx_adptr_pools[i])
-				match = true;
-		}
-
-		if (!match) {
-			dev->rx_adptr_pool_cnt++;
-			old_ptr = dev->rx_adptr_pools;
-			dev->rx_adptr_pools = rte_realloc(dev->rx_adptr_pools,
-							  sizeof(uint64_t) *
-							  dev->rx_adptr_pool_cnt
-							  , 0);
-			if (dev->rx_adptr_pools == NULL) {
-				dev->adptr_xae_cnt += rxq->pool->size;
-				dev->rx_adptr_pools = old_ptr;
-				dev->rx_adptr_pool_cnt--;
 				return;
-			}
-			dev->rx_adptr_pools[dev->rx_adptr_pool_cnt - 1] =
-				(uint64_t)rxq->pool;
+		}
 
+		dev->rx_adptr_pool_cnt++;
+		old_ptr = dev->rx_adptr_pools;
+		dev->rx_adptr_pools = rte_realloc(dev->rx_adptr_pools,
+						  sizeof(uint64_t) *
+						  dev->rx_adptr_pool_cnt, 0);
+		if (dev->rx_adptr_pools == NULL) {
 			dev->adptr_xae_cnt += rxq->pool->size;
+			dev->rx_adptr_pools = old_ptr;
+			dev->rx_adptr_pool_cnt--;
+			return;
 		}
+		dev->rx_adptr_pools[dev->rx_adptr_pool_cnt - 1] =
+			(uint64_t)rxq->pool;
+
+		dev->adptr_xae_cnt += rxq->pool->size;
 		break;
 	}
 	case RTE_EVENT_TYPE_TIMER:
 	{
-		dev->adptr_xae_cnt += (*(uint64_t *)data);
+		struct otx2_tim_ring *timr = data;
+		uint16_t *old_ring_ptr;
+		uint64_t *old_sz_ptr;
+
+		for (i = 0; i < dev->tim_adptr_ring_cnt; i++) {
+			if (timr->ring_id != dev->timer_adptr_rings[i])
+				continue;
+			if (timr->nb_timers == dev->timer_adptr_sz[i])
+				return;
+			dev->adptr_xae_cnt -= dev->timer_adptr_sz[i];
+			dev->adptr_xae_cnt += timr->nb_timers;
+			dev->timer_adptr_sz[i] = timr->nb_timers;
+
+			return;
+		}
+
+		dev->tim_adptr_ring_cnt++;
+		old_ring_ptr = dev->timer_adptr_rings;
+		old_sz_ptr = dev->timer_adptr_sz;
+
+		dev->timer_adptr_rings = rte_realloc(dev->timer_adptr_rings,
+						     sizeof(uint16_t) *
+						     dev->tim_adptr_ring_cnt,
+						     0);
+		if (dev->timer_adptr_rings == NULL) {
+			dev->adptr_xae_cnt += timr->nb_timers;
+			dev->timer_adptr_rings = old_ring_ptr;
+			dev->tim_adptr_ring_cnt--;
+			return;
+		}
+
+		dev->timer_adptr_sz = rte_realloc(dev->timer_adptr_sz,
+						  sizeof(uint64_t) *
+						  dev->tim_adptr_ring_cnt,
+						  0);
+
+		if (dev->timer_adptr_sz == NULL) {
+			dev->adptr_xae_cnt += timr->nb_timers;
+			dev->timer_adptr_sz = old_sz_ptr;
+			dev->tim_adptr_ring_cnt--;
+			return;
+		}
+
+		dev->timer_adptr_rings[dev->tim_adptr_ring_cnt - 1] =
+			timr->ring_id;
+		dev->timer_adptr_sz[dev->tim_adptr_ring_cnt - 1] =
+			timr->nb_timers;
+
+		dev->adptr_xae_cnt += timr->nb_timers;
 		break;
 	}
 	default:
diff --git a/drivers/event/octeontx2/otx2_tim_evdev.c b/drivers/event/octeontx2/otx2_tim_evdev.c
index 206ed4331..5f0233f44 100644
--- a/drivers/event/octeontx2/otx2_tim_evdev.c
+++ b/drivers/event/octeontx2/otx2_tim_evdev.c
@@ -254,7 +254,6 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
 	struct tim_ring_req *free_req;
 	struct tim_lf_alloc_req *req;
 	struct tim_lf_alloc_rsp *rsp;
-	uint64_t nb_timers;
 	int i, rc;
 
 	if (dev == NULL)
@@ -300,7 +299,7 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
 	tim_ring->max_tout = rcfg->max_tmo_ns;
 	tim_ring->nb_bkts = (tim_ring->max_tout / tim_ring->tck_nsec);
 	tim_ring->chunk_sz = dev->chunk_sz;
-	nb_timers = rcfg->nb_timers;
+	tim_ring->nb_timers = rcfg->nb_timers;
 	tim_ring->disable_npa = dev->disable_npa;
 	tim_ring->enable_stats = dev->enable_stats;
 
@@ -316,7 +315,7 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
 		}
 	}
 
-	tim_ring->nb_chunks = nb_timers / OTX2_TIM_NB_CHUNK_SLOTS(
+	tim_ring->nb_chunks = tim_ring->nb_timers / OTX2_TIM_NB_CHUNK_SLOTS(
 							tim_ring->chunk_sz);
 	tim_ring->nb_chunk_slots = OTX2_TIM_NB_CHUNK_SLOTS(tim_ring->chunk_sz);
 
@@ -373,7 +372,7 @@ otx2_tim_ring_create(struct rte_event_timer_adapter *adptr)
 	tim_set_fp_ops(tim_ring);
 
 	/* Update SSO xae count. */
-	sso_updt_xae_cnt(sso_pmd_priv(dev->event_dev), (void *)&nb_timers,
+	sso_updt_xae_cnt(sso_pmd_priv(dev->event_dev), (void *)tim_ring,
 			 RTE_EVENT_TYPE_TIMER);
 	sso_xae_reconfigure(dev->event_dev);
 
diff --git a/drivers/event/octeontx2/otx2_tim_evdev.h b/drivers/event/octeontx2/otx2_tim_evdev.h
index eec0189c1..f3fe9697a 100644
--- a/drivers/event/octeontx2/otx2_tim_evdev.h
+++ b/drivers/event/octeontx2/otx2_tim_evdev.h
@@ -154,6 +154,7 @@ struct otx2_tim_ring {
 	uint8_t ena_dfb;
 	uint16_t ring_id;
 	uint32_t aura;
+	uint64_t nb_timers;
 	uint64_t tck_nsec;
 	uint64_t max_tout;
 	uint64_t nb_chunks;
-- 
2.17.1