From: Pavan Nikhilesh <pbhagavat...@marvell.com>
Add device arguments to lock Rx/Tx contexts.
Application can either choose to lock Rx or Tx contexts by using
'lock_rx_ctx' or 'lock_tx_ctx' respectively per each port.
Example:
-w 0002:02:00.0,lock_rx_ctx=1 -w 0002:03:00.0,lock_tx_ctx=1
Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
doc/guides/nics/octeontx2.rst | 14 ++
drivers/net/octeontx2/otx2_ethdev.c | 179 +++++++++++++++++++-
drivers/net/octeontx2/otx2_ethdev.h | 2 +
drivers/net/octeontx2/otx2_ethdev_devargs.c | 16 +-
drivers/net/octeontx2/otx2_rss.c | 23 +++
5 files changed, 231 insertions(+), 3 deletions(-)
diff --git a/doc/guides/nics/octeontx2.rst b/doc/guides/nics/octeontx2.rst
index 819d09e11..6a13c9b26 100644
--- a/doc/guides/nics/octeontx2.rst
+++ b/doc/guides/nics/octeontx2.rst
@@ -207,6 +207,20 @@ Runtime Config Options
With the above configuration, application can enable inline IPsec processing
on 128 SAs (SPI 0-127).
+- ``Lock Rx contexts in NDC cache``
+
+ Lock Rx contexts in NDC cache by using ``lock_rx_ctx`` parameter.
+
+ For example::
+ -w 0002:02:00.0,lock_rx_ctx=1
+
+- ``Lock Tx contexts in NDC cache``
+
+ Lock Tx contexts in NDC cache by using ``lock_tx_ctx`` parameter.
+
+ For example::
+ -w 0002:02:00.0,lock_tx_ctx=1
+
.. note::
Above devarg parameters are configurable per device, user needs to pass the
diff --git a/drivers/net/octeontx2/otx2_ethdev.c
b/drivers/net/octeontx2/otx2_ethdev.c
index e60f4901c..592fef458 100644
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -381,6 +381,38 @@ nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct
otx2_eth_dev *dev,
goto fail;
}
+ if (dev->lock_rx_ctx) {
+ aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ aq->qidx = qid;
+ aq->ctype = NIX_AQ_CTYPE_CQ;
+ aq->op = NIX_AQ_INSTOP_LOCK;
+
+ aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ if (!aq) {
+ /* The shared memory buffer can be full.
+ * Flush it and retry
+ */
+ otx2_mbox_msg_send(mbox, 0);
+ rc = otx2_mbox_wait_for_rsp(mbox, 0);
+ if (rc < 0) {
+ otx2_err("Failed to LOCK cq context");
+ return 0;
+ }
+
+ aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ if (!aq) {
+ otx2_err("Failed to LOCK rq context");
+ return 0;
+ }
+ }
+ aq->qidx = qid;
+ aq->ctype = NIX_AQ_CTYPE_RQ;
+ aq->op = NIX_AQ_INSTOP_LOCK;
+ rc = otx2_mbox_process(mbox);
+ if (rc < 0)
+ otx2_err("Failed to LOCK rq context");
+ }
+
return 0;
fail:
return rc;
@@ -430,6 +462,38 @@ nix_cq_rq_uninit(struct rte_eth_dev *eth_dev, struct
otx2_eth_rxq *rxq)
return rc;
}
+ if (dev->lock_rx_ctx) {
+ aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ aq->qidx = rxq->rq;
+ aq->ctype = NIX_AQ_CTYPE_CQ;
+ aq->op = NIX_AQ_INSTOP_UNLOCK;
+
+ aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ if (!aq) {
+ /* The shared memory buffer can be full.
+ * Flush it and retry
+ */
+ otx2_mbox_msg_send(mbox, 0);
+ rc = otx2_mbox_wait_for_rsp(mbox, 0);
+ if (rc < 0) {
+ otx2_err("Failed to UNLOCK cq context");
+ return 0;
+ }
+
+ aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ if (!aq) {
+ otx2_err("Failed to UNLOCK rq context");
+ return 0;
+ }
+ }
+ aq->qidx = rxq->rq;
+ aq->ctype = NIX_AQ_CTYPE_RQ;
+ aq->op = NIX_AQ_INSTOP_UNLOCK;
+ rc = otx2_mbox_process(mbox);
+ if (rc < 0)
+ otx2_err("Failed to UNLOCK rq context");
+ }
+
return 0;
}
@@ -715,6 +779,90 @@ nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
return flags;
}
+static int
+nix_sqb_lock(struct rte_mempool *mp)
+{
+ struct otx2_npa_lf *npa_lf = otx2_intra_dev_get_cfg()->npa_lf;
+ struct npa_aq_enq_req *req;
+ int rc;
+
+ req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+ req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
+ req->ctype = NPA_AQ_CTYPE_AURA;
+ req->op = NPA_AQ_INSTOP_LOCK;
+
+ req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+ if (!req) {
+ /* The shared memory buffer can be full.
+ * Flush it and retry
+ */
+ otx2_mbox_msg_send(npa_lf->mbox, 0);
+ rc = otx2_mbox_wait_for_rsp(npa_lf->mbox, 0);
+ if (rc < 0) {
+ otx2_err("Failed to LOCK AURA context");
+ return 0;
+ }
+
+ req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+ if (!req) {
+ otx2_err("Failed to LOCK POOL context");
+ return 0;
+ }
+ }
+
+ req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
+ req->ctype = NPA_AQ_CTYPE_POOL;
+ req->op = NPA_AQ_INSTOP_LOCK;
+
+ rc = otx2_mbox_process(npa_lf->mbox);
+ if (rc < 0)
+ otx2_err("Unable to lock POOL in NDC");
+
+ return 0;
+}
+
+static int
+nix_sqb_unlock(struct rte_mempool *mp)
+{
+ struct otx2_npa_lf *npa_lf = otx2_intra_dev_get_cfg()->npa_lf;
+ struct npa_aq_enq_req *req;
+ int rc;
+
+ req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+ req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
+ req->ctype = NPA_AQ_CTYPE_AURA;
+ req->op = NPA_AQ_INSTOP_UNLOCK;
+
+ req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+ if (!req) {
+ /* The shared memory buffer can be full.
+ * Flush it and retry
+ */
+ otx2_mbox_msg_send(npa_lf->mbox, 0);
+ rc = otx2_mbox_wait_for_rsp(npa_lf->mbox, 0);
+ if (rc < 0) {
+ otx2_err("Failed to UNLOCK AURA context");
+ return 0;
+ }
+
+ req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+ if (!req) {
+ otx2_err("Failed to UNLOCK POOL context");
+ return 0;
+ }
+ }
+ req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+ req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
+ req->ctype = NPA_AQ_CTYPE_POOL;
+ req->op = NPA_AQ_INSTOP_UNLOCK;
+
+ rc = otx2_mbox_process(npa_lf->mbox);
+ if (rc < 0)
+ otx2_err("Unable to UNLOCK AURA in NDC");
+
+ return 0;
+}
+
static int
nix_sq_init(struct otx2_eth_txq *txq)
{
@@ -757,7 +905,20 @@ nix_sq_init(struct otx2_eth_txq *txq)
/* Many to one reduction */
sq->sq.qint_idx = txq->sq % dev->qints;
- return otx2_mbox_process(mbox);
+ rc = otx2_mbox_process(mbox);
+ if (rc < 0)
+ return rc;
+
+ if (dev->lock_tx_ctx) {
+ sq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ sq->qidx = txq->sq;
+ sq->ctype = NIX_AQ_CTYPE_SQ;
+ sq->op = NIX_AQ_INSTOP_LOCK;
+
+ rc = otx2_mbox_process(mbox);
+ }
+
+ return rc;
}
static int
@@ -800,6 +961,20 @@ nix_sq_uninit(struct otx2_eth_txq *txq)
if (rc)
return rc;
+ if (dev->lock_tx_ctx) {
+ /* Unlock sq */
+ aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ aq->qidx = txq->sq;
+ aq->ctype = NIX_AQ_CTYPE_SQ;
+ aq->op = NIX_AQ_INSTOP_UNLOCK;
+
+ rc = otx2_mbox_process(mbox);
+ if (rc < 0)
+ return rc;
+
+ nix_sqb_unlock(txq->sqb_pool);
+ }
+
/* Read SQ and free sqb's */
aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
aq->qidx = txq->sq;
@@ -921,6 +1096,8 @@ nix_alloc_sqb_pool(int port, struct otx2_eth_txq *txq,
uint16_t nb_desc)
}
nix_sqb_aura_limit_cfg(txq->sqb_pool, txq->nb_sqb_bufs);
+ if (dev->lock_tx_ctx)
+ nix_sqb_lock(txq->sqb_pool);
return 0;
fail:
diff --git a/drivers/net/octeontx2/otx2_ethdev.h
b/drivers/net/octeontx2/otx2_ethdev.h
index e5684f9f0..71f8cf729 100644
--- a/drivers/net/octeontx2/otx2_ethdev.h
+++ b/drivers/net/octeontx2/otx2_ethdev.h
@@ -287,6 +287,8 @@ struct otx2_eth_dev {
uint16_t scalar_ena;
uint16_t rss_tag_as_xor;
uint16_t max_sqb_count;
+ uint16_t lock_rx_ctx;
+ uint16_t lock_tx_ctx;
uint16_t rx_offload_flags; /* Selected Rx offload flags(NIX_RX_*_F) */
uint64_t rx_offloads;
uint16_t tx_offload_flags; /* Selected Tx offload flags(NIX_TX_*_F) */
diff --git a/drivers/net/octeontx2/otx2_ethdev_devargs.c
b/drivers/net/octeontx2/otx2_ethdev_devargs.c
index bc11f54b5..0857d8247 100644
--- a/drivers/net/octeontx2/otx2_ethdev_devargs.c
+++ b/drivers/net/octeontx2/otx2_ethdev_devargs.c
@@ -124,6 +124,8 @@ parse_switch_header_type(const char *key, const char
*value, void *extra_args)
#define OTX2_FLOW_MAX_PRIORITY "flow_max_priority"
#define OTX2_SWITCH_HEADER_TYPE "switch_header"
#define OTX2_RSS_TAG_AS_XOR "tag_as_xor"
+#define OTX2_LOCK_RX_CTX "lock_rx_ctx"
+#define OTX2_LOCK_TX_CTX "lock_tx_ctx"
int
otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev
*dev)
@@ -134,9 +136,11 @@ otx2_ethdev_parse_devargs(struct rte_devargs *devargs,
struct otx2_eth_dev *dev)
uint16_t switch_header_type = 0;
uint16_t flow_max_priority = 3;
uint16_t ipsec_in_max_spi = 1;
- uint16_t scalar_enable = 0;
uint16_t rss_tag_as_xor = 0;
+ uint16_t scalar_enable = 0;
struct rte_kvargs *kvlist;
+ uint16_t lock_rx_ctx = 0;
+ uint16_t lock_tx_ctx = 0;
if (devargs == NULL)
goto null_devargs;
@@ -161,6 +165,10 @@ otx2_ethdev_parse_devargs(struct rte_devargs *devargs,
struct otx2_eth_dev *dev)
&parse_switch_header_type, &switch_header_type);
rte_kvargs_process(kvlist, OTX2_RSS_TAG_AS_XOR,
&parse_flag, &rss_tag_as_xor);
+ rte_kvargs_process(kvlist, OTX2_LOCK_RX_CTX,
+ &parse_flag, &lock_rx_ctx);
+ rte_kvargs_process(kvlist, OTX2_LOCK_TX_CTX,
+ &parse_flag, &lock_tx_ctx);
otx2_parse_common_devargs(kvlist);
rte_kvargs_free(kvlist);
@@ -169,6 +177,8 @@ otx2_ethdev_parse_devargs(struct rte_devargs *devargs,
struct otx2_eth_dev *dev)
dev->scalar_ena = scalar_enable;
dev->rss_tag_as_xor = rss_tag_as_xor;
dev->max_sqb_count = sqb_count;
+ dev->lock_rx_ctx = lock_rx_ctx;
+ dev->lock_tx_ctx = lock_tx_ctx;
dev->rss_info.rss_size = rss_size;
dev->npc_flow.flow_prealloc_size = flow_prealloc_size;
dev->npc_flow.flow_max_priority = flow_max_priority;
@@ -187,4 +197,6 @@ RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
OTX2_FLOW_MAX_PRIORITY "=<1-32>"
OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa>"
- OTX2_RSS_TAG_AS_XOR "=1");
+ OTX2_RSS_TAG_AS_XOR "=1"
+ OTX2_LOCK_RX_CTX "=<1-65535>"
+ OTX2_LOCK_TX_CTX "=<1-65535>");
diff --git a/drivers/net/octeontx2/otx2_rss.c b/drivers/net/octeontx2/otx2_rss.c
index 7a8c8f3de..34005ef02 100644
--- a/drivers/net/octeontx2/otx2_rss.c
+++ b/drivers/net/octeontx2/otx2_rss.c
@@ -33,6 +33,29 @@ otx2_nix_rss_tbl_init(struct otx2_eth_dev *dev,
req->qidx = (group * rss->rss_size) + idx;
req->ctype = NIX_AQ_CTYPE_RSS;
req->op = NIX_AQ_INSTOP_INIT;
+
+ if (!dev->lock_rx_ctx)
+ continue;
+
+ req = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ if (!req) {
+ /* The shared memory buffer can be full.
+ * Flush it and retry
+ */
+ otx2_mbox_msg_send(mbox, 0);
+ rc = otx2_mbox_wait_for_rsp(mbox, 0);
+ if (rc < 0)
+ return rc;
+
+ req = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
+ if (!req)
+ return -ENOMEM;
+ }
+ req->rss.rq = ind_tbl[idx];
+ /* Fill AQ info */
+ req->qidx = (group * rss->rss_size) + idx;
+ req->ctype = NIX_AQ_CTYPE_RSS;
+ req->op = NIX_AQ_INSTOP_LOCK;
}
otx2_mbox_msg_send(mbox, 0);
--
2.17.1
