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net/dpaa2: optimize Tx path for best case

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This patch handles the non-sg packets in more optimized way.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
This commit is contained in:
Nipun Gupta 2017-12-08 10:51:26 +05:30 committed by Ferruh Yigit
parent 7ec5e530f9
commit 48e7f15609
2 changed files with 33 additions and 13 deletions
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2
drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
View File

@ -178,6 +178,8 @@ enum qbman_fd_format {
} while (0)
#define DPAA2_SET_FD_LEN(fd, length) ((fd)->simple.len = length)
#define DPAA2_SET_FD_BPID(fd, bpid) ((fd)->simple.bpid_offset |= bpid)
#define DPAA2_SET_ONLY_FD_BPID(fd, bpid) \
((fd)->simple.bpid_offset = bpid)
#define DPAA2_SET_FD_IVP(fd) (((fd)->simple.bpid_offset |= 0x00004000))
#define DPAA2_SET_FD_OFFSET(fd, offset) \
(((fd)->simple.bpid_offset |= (uint32_t)(offset) << 16))

44
drivers/net/dpaa2/dpaa2_rxtx.c
View File

@ -24,6 +24,14 @@
#include "dpaa2_ethdev.h"
#include "base/dpaa2_hw_dpni_annot.h"
#define DPAA2_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) do { \
DPAA2_SET_FD_ADDR(_fd, DPAA2_MBUF_VADDR_TO_IOVA(_mbuf)); \
DPAA2_SET_FD_LEN(_fd, _mbuf->data_len); \
DPAA2_SET_ONLY_FD_BPID(_fd, _bpid); \
DPAA2_SET_FD_OFFSET(_fd, _mbuf->data_off); \
DPAA2_SET_FD_ASAL(_fd, DPAA2_ASAL_VAL); \
} while (0)
static inline void __attribute__((hot))
dpaa2_dev_rx_parse_frc(struct rte_mbuf *m, uint16_t frc)
{
@ -410,11 +418,7 @@ eth_mbuf_to_fd(struct rte_mbuf *mbuf,
/*Resetting the buffer pool id and offset field*/
fd->simple.bpid_offset = 0;
DPAA2_SET_FD_ADDR(fd, DPAA2_MBUF_VADDR_TO_IOVA(mbuf));
DPAA2_SET_FD_LEN(fd, mbuf->data_len);
DPAA2_SET_FD_BPID(fd, bpid);
DPAA2_SET_FD_OFFSET(fd, mbuf->data_off);
DPAA2_SET_FD_ASAL(fd, DPAA2_ASAL_VAL);
DPAA2_MBUF_TO_CONTIG_FD(mbuf, fd, bpid);
PMD_TX_LOG(DEBUG, "mbuf =%p, mbuf->buf_addr =%p, off = %d,"
"fd_off=%d fd =%lx, meta = %d bpid =%d, len=%d\n",
@ -471,11 +475,7 @@ eth_copy_mbuf_to_fd(struct rte_mbuf *mbuf,
/*Resetting the buffer pool id and offset field*/
fd->simple.bpid_offset = 0;
DPAA2_SET_FD_ADDR(fd, DPAA2_MBUF_VADDR_TO_IOVA(m));
DPAA2_SET_FD_LEN(fd, mbuf->data_len);
DPAA2_SET_FD_BPID(fd, bpid);
DPAA2_SET_FD_OFFSET(fd, mbuf->data_off);
DPAA2_SET_FD_ASAL(fd, DPAA2_ASAL_VAL);
DPAA2_MBUF_TO_CONTIG_FD(m, fd, bpid);
PMD_TX_LOG(DEBUG, " mbuf %p BMAN buf addr %p",
(void *)mbuf, mbuf->buf_addr);
@ -695,8 +695,26 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
fd_arr[loop].simple.frc = 0;
DPAA2_RESET_FD_CTRL((&fd_arr[loop]));
DPAA2_SET_FD_FLC((&fd_arr[loop]), NULL);
if (RTE_MBUF_DIRECT(*bufs)) {
if (likely(RTE_MBUF_DIRECT(*bufs))) {
mp = (*bufs)->pool;
/* Check the basic scenario and set
* the FD appropriately here itself.
*/
if (likely(mp && mp->ops_index ==
priv->bp_list->dpaa2_ops_index &&
(*bufs)->nb_segs == 1 &&
rte_mbuf_refcnt_read((*bufs)) == 1)) {
if (unlikely((*bufs)->ol_flags
& PKT_TX_VLAN_PKT)) {
ret = rte_vlan_insert(bufs);
if (ret)
goto send_n_return;
}
DPAA2_MBUF_TO_CONTIG_FD((*bufs),
&fd_arr[loop], mempool_to_bpid(mp));
bufs++;
continue;
}
} else {
mi = rte_mbuf_from_indirect(*bufs);
mp = mi->pool;
@ -745,9 +763,9 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
}
num_tx += frames_to_send;
dpaa2_q->tx_pkts += frames_to_send;
nb_pkts -= frames_to_send;
}
dpaa2_q->tx_pkts += num_tx;
return num_tx;
send_n_return:
@ -760,9 +778,9 @@ send_n_return:
&fd_arr[i], loop - i);
}
num_tx += loop;
dpaa2_q->tx_pkts += loop;
}
skip_tx:
dpaa2_q->tx_pkts += num_tx;
return num_tx;
}