From: Balazs Nemeth <bnemeth@redhat.com>
To: bnemeth@redhat.com, dev@dpdk.org
Subject: [dpdk-dev] [PATCH 4/8] net/qede: inline qede_free_tx_pkt to prepare for rte_pktmbuf_free_bulk
Date: Fri, 5 Mar 2021 14:14:02 +0100 [thread overview]
Message-ID: <73a8060531beb514aa4a8175729f4d7b6a7ccf9c.1614938727.git.bnemeth@redhat.com> (raw)
In-Reply-To: <cover.1614938727.git.bnemeth@redhat.com>
The next patch will introduce the use of rte_pktmbuf_free_bulk.
Signed-off-by: Balazs Nemeth <bnemeth@redhat.com>
---
drivers/net/qede/qede_rxtx.c | 51 ++++++++++++++++--------------------
1 file changed, 23 insertions(+), 28 deletions(-)
diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
index c5e12ac6b..7ce4c00e3 100644
--- a/drivers/net/qede/qede_rxtx.c
+++ b/drivers/net/qede/qede_rxtx.c
@@ -880,33 +880,6 @@ qede_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
return rc;
}
-static inline uint16_t
-qede_free_tx_pkt(struct qede_tx_queue *txq)
-{
- struct rte_mbuf *mbuf;
- uint16_t nb_segs;
- uint16_t idx;
- uint16_t ret;
-
- idx = TX_CONS(txq);
- mbuf = txq->sw_tx_ring[idx];
- RTE_ASSERT(mbuf);
- nb_segs = mbuf->nb_segs;
- PMD_TX_LOG(DEBUG, txq, "nb_segs to free %u\n", nb_segs);
-
- ret = nb_segs;
- while (nb_segs) {
- /* It's like consuming rxbuf in recv() */
- ecore_chain_consume(&txq->tx_pbl);
- nb_segs--;
- }
-
- rte_pktmbuf_free(mbuf);
- txq->sw_tx_cons++;
- PMD_TX_LOG(DEBUG, txq, "Freed tx packet\n");
- return ret;
-}
-
static inline void
qede_process_tx_compl(__rte_unused struct ecore_dev *edev,
struct qede_tx_queue *txq)
@@ -914,6 +887,10 @@ qede_process_tx_compl(__rte_unused struct ecore_dev *edev,
uint16_t hw_bd_cons;
uint16_t sw_tx_cons;
uint16_t remaining;
+ uint16_t mask;
+ struct rte_mbuf *mbuf;
+ uint16_t nb_segs;
+ uint16_t idx;
rte_compiler_barrier();
sw_tx_cons = ecore_chain_get_cons_idx(&txq->tx_pbl);
@@ -923,12 +900,30 @@ qede_process_tx_compl(__rte_unused struct ecore_dev *edev,
abs(hw_bd_cons - sw_tx_cons));
#endif
+ mask = NUM_TX_BDS(txq);
+ idx = txq->sw_tx_cons & mask;
+
remaining = hw_bd_cons - sw_tx_cons;
txq->nb_tx_avail += remaining;
while (remaining) {
- remaining -= qede_free_tx_pkt(txq);
+ mbuf = txq->sw_tx_ring[idx];
+ RTE_ASSERT(mbuf);
+ nb_segs = mbuf->nb_segs;
+ remaining -= nb_segs;
+
+ PMD_TX_LOG(DEBUG, txq, "nb_segs to free %u\n", nb_segs);
+
+ while (nb_segs) {
+ ecore_chain_consume(&txq->tx_pbl);
+ nb_segs--;
+ }
+
+ rte_pktmbuf_free(mbuf);
+ idx = (idx + 1) & mask;
+ PMD_TX_LOG(DEBUG, txq, "Freed tx packet\n");
}
+ txq->sw_tx_cons = idx;
}
static int qede_drain_txq(struct qede_dev *qdev,
--
2.29.2
next prev parent reply other threads:[~2021-03-05 13:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-05 13:13 [dpdk-dev] [PATCH 0/8] Optimize qede use of rx/tx_entries Balazs Nemeth
2021-03-05 13:13 ` [dpdk-dev] [PATCH 1/8] net/qede: remove flags from qede_tx_entry and simplify to rte_mbuf Balazs Nemeth
2021-03-05 13:14 ` [dpdk-dev] [PATCH 2/8] net/qede: avoid repeatedly calling ecore_chain_get_cons_idx Balazs Nemeth
2021-03-05 13:14 ` [dpdk-dev] [PATCH 3/8] net/qede: assume txq->sw_tx_ring[idx] is never null in qede_free_tx_pkt Balazs Nemeth
2021-03-05 13:14 ` Balazs Nemeth [this message]
2021-03-05 13:14 ` [dpdk-dev] [PATCH 5/8] net/qede: use rte_pktmbuf_free_bulk instead of rte_pktmbuf_free Balazs Nemeth
2021-03-05 13:14 ` [dpdk-dev] [PATCH 6/8] net/qede: prefetch txq->hw_cons_ptr Balazs Nemeth
2021-03-05 13:14 ` [dpdk-dev] [PATCH 7/8] net/qede: prefetch next packet to free Balazs Nemeth
2021-03-05 13:14 ` [dpdk-dev] [PATCH 8/8] net/qede: remove page_offset from struct qede_rx_entry and simplify Balazs Nemeth
2021-03-08 18:13 ` [dpdk-dev] [PATCH 0/8] Optimize qede use of rx/tx_entries Jerin Jacob
2021-03-10 6:43 ` [dpdk-dev] [EXT] " Igor Russkikh
2021-03-10 7:51 ` Jerin Jacob
2021-03-10 8:17 ` Igor Russkikh
2021-03-20 13:16 ` Jerin Jacob
2021-03-22 17:08 ` [dpdk-dev] [EXT] " Igor Russkikh
2021-03-24 9:18 ` Jerin Jacob
2021-03-24 9:34 ` Balazs Nemeth
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