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From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: dev@dpdk.org,
ferruh.yigit@intel.com
Cc: dpdk-up@NXP1.onmicrosoft.com
Date: Wed, 29 Aug 2018 16:17:37 +0530
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Subject: [dpdk-dev] [PATCH 10/13] net/dpaa: separate Rx function for LS1046
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This is to avoid the checks in datapath
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
drivers/net/dpaa/dpaa_ethdev.c | 9 +++++--
drivers/net/dpaa/dpaa_rxtx.c | 60 +++++++++++++++++++++++++++++++++---------
drivers/net/dpaa/dpaa_rxtx.h | 3 +++
3 files changed, 58 insertions(+), 14 deletions(-)
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index df72510..76cd0f7 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -658,8 +658,13 @@ int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
"ret:%d(%s)", rxq->fqid, ret, strerror(ret));
return ret;
}
- rxq->cb.dqrr_dpdk_pull_cb = dpaa_rx_cb;
- rxq->cb.dqrr_prepare = dpaa_rx_cb_prepare;
+ if (dpaa_svr_family == SVR_LS1043A_FAMILY) {
+ rxq->cb.dqrr_dpdk_pull_cb = dpaa_rx_cb_no_prefetch;
+ } else {
+ rxq->cb.dqrr_dpdk_pull_cb = dpaa_rx_cb;
+ rxq->cb.dqrr_prepare = dpaa_rx_cb_prepare;
+ }
+
rxq->is_static = true;
}
dev->data->rx_queues[queue_idx] = rxq;
diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c
index 6698c97..2c57741 100644
--- a/drivers/net/dpaa/dpaa_rxtx.c
+++ b/drivers/net/dpaa/dpaa_rxtx.c
@@ -398,8 +398,9 @@ dpaa_eth_fd_to_mbuf(const struct qm_fd *fd, uint32_t ifid)
return mbuf;
}
+/* Specific for LS1043 */
void
-dpaa_rx_cb(struct qman_fq **fq, struct qm_dqrr_entry **dqrr,
+dpaa_rx_cb_no_prefetch(struct qman_fq **fq, struct qm_dqrr_entry **dqrr,
void **bufs, int num_bufs)
{
struct rte_mbuf *mbuf;
@@ -411,17 +412,13 @@ dpaa_rx_cb(struct qman_fq **fq, struct qm_dqrr_entry **dqrr,
uint32_t length;
uint8_t format;
- if (dpaa_svr_family != SVR_LS1046A_FAMILY) {
- bp_info = DPAA_BPID_TO_POOL_INFO(dqrr[0]->fd.bpid);
- ptr = rte_dpaa_mem_ptov(qm_fd_addr(&dqrr[0]->fd));
- rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
- bufs[0] = (struct rte_mbuf *)((char *)ptr -
- bp_info->meta_data_size);
- }
+ bp_info = DPAA_BPID_TO_POOL_INFO(dqrr[0]->fd.bpid);
+ ptr = rte_dpaa_mem_ptov(qm_fd_addr(&dqrr[0]->fd));
+ rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
+ bufs[0] = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);
for (i = 0; i < num_bufs; i++) {
- if (dpaa_svr_family != SVR_LS1046A_FAMILY &&
- i < num_bufs - 1) {
+ if (i < num_bufs - 1) {
bp_info = DPAA_BPID_TO_POOL_INFO(dqrr[i + 1]->fd.bpid);
ptr = rte_dpaa_mem_ptov(qm_fd_addr(&dqrr[i + 1]->fd));
rte_prefetch0((void *)((uint8_t *)ptr +
@@ -458,6 +455,46 @@ dpaa_rx_cb(struct qman_fq **fq, struct qm_dqrr_entry **dqrr,
}
}
+void
+dpaa_rx_cb(struct qman_fq **fq, struct qm_dqrr_entry **dqrr,
+ void **bufs, int num_bufs)
+{
+ struct rte_mbuf *mbuf;
+ const struct qm_fd *fd;
+ struct dpaa_if *dpaa_intf;
+ uint16_t offset, i;
+ uint32_t length;
+ uint8_t format;
+
+ for (i = 0; i < num_bufs; i++) {
+ fd = &dqrr[i]->fd;
+ dpaa_intf = fq[0]->dpaa_intf;
+
+ format = (fd->opaque & DPAA_FD_FORMAT_MASK) >>
+ DPAA_FD_FORMAT_SHIFT;
+ if (unlikely(format == qm_fd_sg)) {
+ bufs[i] = dpaa_eth_sg_to_mbuf(fd, dpaa_intf->ifid);
+ continue;
+ }
+
+ offset = (fd->opaque & DPAA_FD_OFFSET_MASK) >>
+ DPAA_FD_OFFSET_SHIFT;
+ length = fd->opaque & DPAA_FD_LENGTH_MASK;
+
+ mbuf = bufs[i];
+ mbuf->data_off = offset;
+ mbuf->data_len = length;
+ mbuf->pkt_len = length;
+ mbuf->port = dpaa_intf->ifid;
+
+ mbuf->nb_segs = 1;
+ mbuf->ol_flags = 0;
+ mbuf->next = NULL;
+ rte_mbuf_refcnt_set(mbuf, 1);
+ dpaa_eth_packet_info(mbuf, mbuf->buf_addr);
+ }
+}
+
void dpaa_rx_cb_prepare(struct qm_dqrr_entry *dq, void **bufs)
{
struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(dq->fd.bpid);
@@ -468,8 +505,7 @@ void dpaa_rx_cb_prepare(struct qm_dqrr_entry *dq, void **bufs)
* So we prefetch the annoation beforehand, so that it is available
* in cache when accessed.
*/
- if (dpaa_svr_family == SVR_LS1046A_FAMILY)
- rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
+ rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
*bufs = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);
}
diff --git a/drivers/net/dpaa/dpaa_rxtx.h b/drivers/net/dpaa/dpaa_rxtx.h
index 6de70a7..75b093c 100644
--- a/drivers/net/dpaa/dpaa_rxtx.h
+++ b/drivers/net/dpaa/dpaa_rxtx.h
@@ -270,4 +270,7 @@ void dpaa_rx_cb(struct qman_fq **fq,
struct qm_dqrr_entry **dqrr, void **bufs, int num_bufs);
void dpaa_rx_cb_prepare(struct qm_dqrr_entry *dq, void **bufs);
+
+void dpaa_rx_cb_no_prefetch(struct qman_fq **fq,
+ struct qm_dqrr_entry **dqrr, void **bufs, int num_bufs);
#endif
--
2.7.4