This patch support tx of external buffers
Signed-off-by: Hemant Agrawal <hemant.agra...@nxp.com>
---
drivers/net/dpaa/dpaa_rxtx.c | 29 ++++++++++++++++++++++-------
drivers/net/dpaa/dpaa_rxtx.h | 8 +-------
2 files changed, 23 insertions(+), 14 deletions(-)
diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c
index e2459d9b99..6efa872c57 100644
--- a/drivers/net/dpaa/dpaa_rxtx.c
+++ b/drivers/net/dpaa/dpaa_rxtx.c
@@ -334,7 +334,7 @@ dpaa_unsegmented_checksum(struct rte_mbuf *mbuf, struct
qm_fd *fd_arr)
}
}
-struct rte_mbuf *
+static struct rte_mbuf *
dpaa_eth_sg_to_mbuf(const struct qm_fd *fd, uint32_t ifid)
{
struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
@@ -791,13 +791,12 @@ uint16_t dpaa_eth_queue_rx(void *q,
return num_rx;
}
-int
+static int
dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
struct qm_fd *fd,
- uint32_t bpid)
+ struct dpaa_bp_info *bp_info)
{
struct rte_mbuf *cur_seg = mbuf, *prev_seg = NULL;
- struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(bpid);
struct rte_mbuf *temp, *mi;
struct qm_sg_entry *sg_temp, *sgt;
int i = 0;
@@ -840,7 +839,7 @@ dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
fd->format = QM_FD_SG;
fd->addr = temp->buf_iova;
fd->offset = temp->data_off;
- fd->bpid = bpid;
+ fd->bpid = bp_info ? bp_info->bpid : 0xff;
fd->length20 = mbuf->pkt_len;
while (i < DPAA_SGT_MAX_ENTRIES) {
@@ -951,7 +950,7 @@ tx_on_dpaa_pool(struct rte_mbuf *mbuf,
tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr);
} else if (mbuf->nb_segs > 1 &&
mbuf->nb_segs <= DPAA_SGT_MAX_ENTRIES) {
- if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr, bp_info->bpid)) {
+ if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr, bp_info)) {
DPAA_PMD_DEBUG("Unable to create Scatter Gather FD");
return 1;
}
@@ -1055,6 +1054,7 @@ dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs,
uint16_t nb_bufs)
uint16_t state;
int ret, realloc_mbuf = 0;
uint32_t seqn, index, flags[DPAA_TX_BURST_SIZE] = {0};
+ struct rte_mbuf **orig_bufs = bufs;
if (unlikely(!DPAA_PER_LCORE_PORTAL)) {
ret = rte_dpaa_portal_init((void *)0);
@@ -1112,6 +1112,12 @@ dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs,
uint16_t nb_bufs)
mp = mi->pool;
}
+ if (unlikely(RTE_MBUF_HAS_EXTBUF(mbuf))) {
+ rte_mbuf_refcnt_update(mbuf, 1);
+ bp_info = NULL;
+ goto indirect_buf;
+ }
+
bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
if (unlikely(mp->ops_index != bp_info->dpaa_ops_index ||
realloc_mbuf == 1)) {
@@ -1130,7 +1136,7 @@ dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs,
uint16_t nb_bufs)
mbuf = temp_mbuf;
realloc_mbuf = 0;
}
-
+indirect_buf:
state = tx_on_dpaa_pool(mbuf, bp_info,
&fd_arr[loop]);
if (unlikely(state)) {
@@ -1157,6 +1163,15 @@ dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs,
uint16_t nb_bufs)
DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", sent, q);
+
+ loop = 0;
+ while (loop < sent) {
+ if (unlikely(RTE_MBUF_HAS_EXTBUF(*orig_bufs)))
+ rte_pktmbuf_free(*orig_bufs);
+ orig_bufs++;
+ loop++;
+ }
+
return sent;
}
diff --git a/drivers/net/dpaa/dpaa_rxtx.h b/drivers/net/dpaa/dpaa_rxtx.h
index d9d7e04f5c..99e09196e9 100644
--- a/drivers/net/dpaa/dpaa_rxtx.h
+++ b/drivers/net/dpaa/dpaa_rxtx.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
- * Copyright 2017,2020 NXP
+ * Copyright 2017,2020-2021 NXP
*
*/
@@ -279,12 +279,6 @@ uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused,
struct rte_mbuf **bufs __rte_unused,
uint16_t nb_bufs __rte_unused);
-struct rte_mbuf *dpaa_eth_sg_to_mbuf(const struct qm_fd *fd, uint32_t ifid);
-
-int dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
- struct qm_fd *fd,
- uint32_t bpid);
-
uint16_t dpaa_free_mbuf(const struct qm_fd *fd);
void dpaa_rx_cb(struct qman_fq **fq,
struct qm_dqrr_entry **dqrr, void **bufs, int num_bufs);
--
2.17.1
