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net/dpaa: separate Rx function for LS1046

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This is to avoid the checks in datapath and help in performance.
LS1046 has different data stash settings.

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Hemant Agrawal 2018-09-21 16:35:59 +05:30 committed by Ferruh Yigit
parent 9afce5aa86
commit 19b4aba204
3 changed files with 58 additions and 14 deletions
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9
drivers/net/dpaa/dpaa_ethdev.c
View File

@ -661,8 +661,13 @@ 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;

60
drivers/net/dpaa/dpaa_rxtx.c
View File

@ -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);
}

3
drivers/net/dpaa/dpaa_rxtx.h
View File

@ -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