From: Chenxu Di <chenxux.di@intel.com>
To: dev@dpdk.org
Cc: Yang Qiming <qiming.yang@intel.com>, Chenxu Di <chenxux.di@intel.com>
Subject: [dpdk-dev] [PATCH v8 1/4] net/i40e: cleanup Tx buffers
Date: Fri, 10 Jan 2020 09:58:57 +0000 [thread overview]
Message-ID: <20200110095900.36148-2-chenxux.di@intel.com> (raw)
In-Reply-To: <20200110095900.36148-1-chenxux.di@intel.com>
Add support to the i40e driver for the API rte_eth_tx_done_cleanup
to force free consumed buffers on Tx ring.
Signed-off-by: Chenxu Di <chenxux.di@intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 1 +
drivers/net/i40e/i40e_ethdev_vf.c | 1 +
drivers/net/i40e/i40e_rxtx.c | 109 ++++++++++++++++++++++++++++++
drivers/net/i40e/i40e_rxtx.h | 4 ++
4 files changed, 115 insertions(+)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 5999c964b..fad47a942 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -522,6 +522,7 @@ static const struct eth_dev_ops i40e_eth_dev_ops = {
.mac_addr_set = i40e_set_default_mac_addr,
.mtu_set = i40e_dev_mtu_set,
.tm_ops_get = i40e_tm_ops_get,
+ .tx_done_cleanup = i40e_tx_done_cleanup,
};
/* store statistics names and its offset in stats structure */
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 5dba0928b..0ca5417d7 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -215,6 +215,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = {
.rss_hash_conf_get = i40evf_dev_rss_hash_conf_get,
.mtu_set = i40evf_dev_mtu_set,
.mac_addr_set = i40evf_set_default_mac_addr,
+ .tx_done_cleanup = i40e_tx_done_cleanup,
};
/*
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 17dc8c78f..9b3a504f3 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2455,6 +2455,115 @@ i40e_tx_queue_release_mbufs(struct i40e_tx_queue *txq)
}
}
+int
+i40e_tx_done_cleanup_full(struct i40e_tx_queue *txq,
+ uint32_t free_cnt)
+{
+ uint32_t pkt_cnt;
+ uint16_t i;
+ uint16_t tx_last;
+ uint16_t tx_id;
+ uint16_t nb_tx_to_clean;
+ uint16_t nb_tx_free_last;
+ struct i40e_tx_entry *swr_ring = txq->sw_ring;
+
+ /* Start free mbuf from the next of tx_tail */
+ tx_last = txq->tx_tail;
+ tx_id = swr_ring[tx_last].next_id;
+
+ if (txq->nb_tx_free == 0 && i40e_xmit_cleanup(txq))
+ return 0;
+
+ nb_tx_to_clean = txq->nb_tx_free;
+ nb_tx_free_last = txq->nb_tx_free;
+ if (!free_cnt)
+ free_cnt = txq->nb_tx_desc;
+
+ /* Loop through swr_ring to count the amount of
+ * freeable mubfs and packets.
+ */
+ for (pkt_cnt = 0; pkt_cnt < free_cnt; ) {
+ for (i = 0; i < nb_tx_to_clean &&
+ pkt_cnt < free_cnt &&
+ tx_id != tx_last; i++) {
+ if (swr_ring[tx_id].mbuf != NULL) {
+ rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf);
+ swr_ring[tx_id].mbuf = NULL;
+
+ /*
+ * last segment in the packet,
+ * increment packet count
+ */
+ pkt_cnt += (swr_ring[tx_id].last_id == tx_id);
+ }
+
+ tx_id = swr_ring[tx_id].next_id;
+ }
+
+ if (txq->tx_rs_thresh > txq->nb_tx_desc -
+ txq->nb_tx_free || tx_id == tx_last)
+ break;
+
+ if (pkt_cnt < free_cnt) {
+ if (i40e_xmit_cleanup(txq))
+ break;
+
+ nb_tx_to_clean = txq->nb_tx_free - nb_tx_free_last;
+ nb_tx_free_last = txq->nb_tx_free;
+ }
+ }
+
+ return (int)pkt_cnt;
+}
+
+int
+i40e_tx_done_cleanup_simple(struct i40e_tx_queue *txq,
+ uint32_t free_cnt)
+{
+ int i, n, cnt;
+
+ if (free_cnt == 0 || free_cnt > txq->nb_tx_desc)
+ free_cnt = txq->nb_tx_desc;
+
+ cnt = free_cnt - free_cnt % txq->tx_rs_thresh;
+
+ for (i = 0; i < cnt; i += n) {
+ if (txq->nb_tx_desc - txq->nb_tx_free < txq->tx_rs_thresh)
+ break;
+
+ n = i40e_tx_free_bufs(txq);
+
+ if (n == 0)
+ break;
+ }
+
+ return i;
+}
+
+int
+i40e_tx_done_cleanup_vec(struct i40e_tx_queue *txq __rte_unused,
+ uint32_t free_cnt __rte_unused)
+{
+ return -ENOTSUP;
+}
+int
+i40e_tx_done_cleanup(void *txq, uint32_t free_cnt)
+{
+ struct i40e_tx_queue *q = (struct i40e_tx_queue *)txq;
+ struct rte_eth_dev *dev = &rte_eth_devices[q->port_id];
+ struct i40e_adapter *ad =
+ I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+
+ if (ad->tx_simple_allowed) {
+ if (ad->tx_vec_allowed)
+ return i40e_tx_done_cleanup_vec(q, free_cnt);
+ else
+ return i40e_tx_done_cleanup_simple(q, free_cnt);
+ } else {
+ return i40e_tx_done_cleanup_full(q, free_cnt);
+ }
+}
+
void
i40e_reset_tx_queue(struct i40e_tx_queue *txq)
{
diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h
index 2106bb355..4c0dd7374 100644
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -212,6 +212,10 @@ void i40e_dev_free_queues(struct rte_eth_dev *dev);
void i40e_reset_rx_queue(struct i40e_rx_queue *rxq);
void i40e_reset_tx_queue(struct i40e_tx_queue *txq);
void i40e_tx_queue_release_mbufs(struct i40e_tx_queue *txq);
+int i40e_tx_done_cleanup(void *txq, uint32_t free_cnt);
+int i40e_tx_done_cleanup_full(struct i40e_tx_queue *txq, uint32_t free_cnt);
+int i40e_tx_done_cleanup_vec(struct i40e_tx_queue *txq, uint32_t free_cnt);
+int i40e_tx_done_cleanup_simple(struct i40e_tx_queue *txq, uint32_t free_cnt);
int i40e_alloc_rx_queue_mbufs(struct i40e_rx_queue *rxq);
void i40e_rx_queue_release_mbufs(struct i40e_rx_queue *rxq);
--
2.17.1
next prev parent reply other threads:[~2020-01-10 10:07 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 5:51 [dpdk-dev] [PATCH 0/4] drivers/net: " Chenxu Di
2019-12-03 5:51 ` [dpdk-dev] [PATCH 1/4] net/fm10k: " Chenxu Di
2019-12-03 5:51 ` [dpdk-dev] [PATCH 2/4] net/i40e: " Chenxu Di
2019-12-03 5:51 ` [dpdk-dev] [PATCH 3/4] net/ice: " Chenxu Di
2019-12-03 5:51 ` [dpdk-dev] [PATCH 4/4] net/ixgbe: " Chenxu Di
2019-12-20 3:02 ` [dpdk-dev] [PATCH v2 0/5] drivers/net: " Chenxu Di
2019-12-20 3:02 ` [dpdk-dev] [PATCH v2 1/5] net/fm10k: " Chenxu Di
2019-12-20 3:02 ` [dpdk-dev] [PATCH v2 2/5] net/i40e: " Chenxu Di
2019-12-20 3:02 ` [dpdk-dev] [PATCH v2 3/5] net/ice: " Chenxu Di
2019-12-20 3:02 ` [dpdk-dev] [PATCH v2 4/5] net/ixgbe: " Chenxu Di
2019-12-20 3:02 ` [dpdk-dev] [PATCH v2 5/5] net/e1000: " Chenxu Di
2019-12-20 3:15 ` [dpdk-dev] [PATCH v3 0/5] drivers/net: " Chenxu Di
2019-12-20 3:15 ` [dpdk-dev] [PATCH v3 1/5] net/fm10k: " Chenxu Di
2019-12-20 3:15 ` [dpdk-dev] [PATCH v3 2/5] net/i40e: " Chenxu Di
2019-12-20 3:15 ` [dpdk-dev] [PATCH v3 3/5] net/ice: " Chenxu Di
2019-12-20 3:15 ` [dpdk-dev] [PATCH v3 4/5] net/ixgbe: " Chenxu Di
2019-12-20 3:15 ` [dpdk-dev] [PATCH v3 5/5] net/e1000: " Chenxu Di
2019-12-24 2:39 ` [dpdk-dev] [PATCH v4 0/5] drivers/net: " Chenxu Di
2019-12-24 2:39 ` [dpdk-dev] [PATCH v4 1/5] net/fm10k: " Chenxu Di
2019-12-24 2:39 ` [dpdk-dev] [PATCH v4 2/5] net/i40e: " Chenxu Di
2019-12-26 8:24 ` Xing, Beilei
2019-12-24 2:39 ` [dpdk-dev] [PATCH v4 3/5] net/ice: " Chenxu Di
2019-12-24 2:39 ` [dpdk-dev] [PATCH v4 4/5] net/ixgbe: " Chenxu Di
2019-12-24 2:39 ` [dpdk-dev] [PATCH v4 5/5] net/e1000: " Chenxu Di
2019-12-30 9:38 ` [dpdk-dev] [PATCH v6 0/4] drivers/net: " Chenxu Di
2019-12-30 9:38 ` [dpdk-dev] [PATCH v6 1/4] net/i40e: " Chenxu Di
2019-12-30 13:01 ` Ananyev, Konstantin
2019-12-30 9:38 ` [dpdk-dev] [PATCH v6 2/4] net/ice: " Chenxu Di
2019-12-30 9:38 ` [dpdk-dev] [PATCH v6 3/4] net/ixgbe: " Chenxu Di
2019-12-30 12:53 ` Ananyev, Konstantin
2020-01-03 9:01 ` Di, ChenxuX
2020-01-05 23:36 ` Ananyev, Konstantin
2020-01-06 9:03 ` Di, ChenxuX
2020-01-06 13:26 ` Ananyev, Konstantin
2020-01-07 10:46 ` Di, ChenxuX
2020-01-07 14:09 ` Ananyev, Konstantin
2020-01-08 10:15 ` Di, ChenxuX
2020-01-08 15:12 ` Ananyev, Konstantin
2019-12-30 9:38 ` [dpdk-dev] [PATCH v6 4/4] net/e1000: " Chenxu Di
2020-01-09 10:38 ` [dpdk-dev] [PATCH v7 0/4] drivers/net: " Chenxu Di
2020-01-09 10:38 ` [dpdk-dev] [PATCH v7 1/4] net/i40e: " Chenxu Di
2020-01-09 10:38 ` [dpdk-dev] [PATCH v7 2/4] net/ice: " Chenxu Di
2020-01-09 10:38 ` [dpdk-dev] [PATCH v7 3/4] net/ixgbe: " Chenxu Di
2020-01-09 14:01 ` Ananyev, Konstantin
2020-01-10 10:08 ` Di, ChenxuX
2020-01-10 12:46 ` Ananyev, Konstantin
2020-01-09 10:38 ` [dpdk-dev] [PATCH v7 4/4] net/e1000: " Chenxu Di
2020-01-10 9:58 ` [dpdk-dev] [PATCH v8 0/4] drivers/net: " Chenxu Di
2020-01-10 9:58 ` Chenxu Di [this message]
2020-01-10 9:58 ` [dpdk-dev] [PATCH v8 2/4] net/ice: " Chenxu Di
2020-01-10 9:58 ` [dpdk-dev] [PATCH v8 3/4] net/ixgbe: " Chenxu Di
2020-01-10 13:49 ` Ananyev, Konstantin
2020-01-10 9:59 ` [dpdk-dev] [PATCH v8 4/4] net/e1000: " Chenxu Di
2020-01-13 9:57 ` [dpdk-dev] [PATCH v9 0/4] drivers/net: " Chenxu Di
2020-01-13 9:57 ` [dpdk-dev] [PATCH v9 1/4] net/i40e: " Chenxu Di
2020-01-13 11:08 ` Ananyev, Konstantin
2020-01-13 9:57 ` [dpdk-dev] [PATCH v9 2/4] net/ice: " Chenxu Di
2020-01-14 1:55 ` Yang, Qiming
2020-01-14 12:40 ` Ferruh Yigit
2020-01-15 14:34 ` Ferruh Yigit
2020-01-16 1:40 ` Di, ChenxuX
2020-01-16 7:09 ` [dpdk-dev] [PATCH] net/ice: cleanup for vec path check Xiaolong Ye
2020-01-16 10:19 ` Ferruh Yigit
2020-01-17 2:21 ` Yang, Qiming
2020-01-16 8:43 ` [dpdk-dev] [PATCH v9 2/4] net/ice: cleanup Tx buffers Ferruh Yigit
2020-01-13 9:57 ` [dpdk-dev] [PATCH v9 3/4] net/ixgbe: " Chenxu Di
2020-01-13 11:07 ` Ananyev, Konstantin
2020-01-16 8:44 ` Ferruh Yigit
2020-01-16 14:47 ` Ferruh Yigit
2020-01-16 15:23 ` Ferruh Yigit
2020-01-13 9:57 ` [dpdk-dev] [PATCH v9 4/4] net/e1000: " Chenxu Di
2020-01-13 11:08 ` Ananyev, Konstantin
2020-01-14 2:49 ` Ye Xiaolong
2020-01-14 2:22 ` [dpdk-dev] [PATCH 0/4] drivers/net: " Ye Xiaolong
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200110095900.36148-2-chenxux.di@intel.com \
--to=chenxux.di@intel.com \
--cc=dev@dpdk.org \
--cc=qiming.yang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).