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net/ice: support Rx scatter SSE vector

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Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Wenzhuo Lu 2019-03-26 14:16:47 +08:00 committed by Ferruh Yigit
parent c68a52b8b3
commit f2caa921dc
3 changed files with 55 additions and 4 deletions
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16
drivers/net/ice/ice_rxtx.c
View File

@ -1504,7 +1504,8 @@ ice_dev_supported_ptypes_get(struct rte_eth_dev *dev)
return ptypes;
#ifdef RTE_ARCH_X86
if (dev->rx_pkt_burst == ice_recv_pkts_vec)
if (dev->rx_pkt_burst == ice_recv_pkts_vec ||
dev->rx_pkt_burst == ice_recv_scattered_pkts_vec)
return ptypes;
#endif
@ -2248,9 +2249,16 @@ ice_set_rx_function(struct rte_eth_dev *dev)
rxq = dev->data->rx_queues[i];
(void)ice_rxq_vec_setup(rxq);
}
PMD_DRV_LOG(DEBUG, "Using Vector Rx (port %d).",
dev->data->port_id);
dev->rx_pkt_burst = ice_recv_pkts_vec;
if (dev->data->scattered_rx) {
PMD_DRV_LOG(DEBUG,
"Using Vector Scattered Rx (port %d).",
dev->data->port_id);
dev->rx_pkt_burst = ice_recv_scattered_pkts_vec;
} else {
PMD_DRV_LOG(DEBUG, "Using Vector Rx (port %d).",
dev->data->port_id);
dev->rx_pkt_burst = ice_recv_pkts_vec;
}
return;
}

2
drivers/net/ice/ice_rxtx.h
View File

@ -173,4 +173,6 @@ int ice_rx_vec_dev_check(struct rte_eth_dev *dev);
int ice_rxq_vec_setup(struct ice_rx_queue *rxq);
uint16_t ice_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
uint16_t ice_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
#endif /* _ICE_RXTX_H_ */

41
drivers/net/ice/ice_rxtx_vec_sse.c
View File

@ -473,6 +473,47 @@ ice_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
return _ice_recv_raw_pkts_vec(rx_queue, rx_pkts, nb_pkts, NULL);
}
/* vPMD receive routine that reassembles scattered packets
* Notice:
* - nb_pkts < ICE_DESCS_PER_LOOP, just return no packet
* - nb_pkts > ICE_VPMD_RX_BURST, only scan ICE_VPMD_RX_BURST
* numbers of DD bits
*/
uint16_t
ice_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts)
{
struct ice_rx_queue *rxq = rx_queue;
uint8_t split_flags[ICE_VPMD_RX_BURST] = {0};
/* get some new buffers */
uint16_t nb_bufs = _ice_recv_raw_pkts_vec(rxq, rx_pkts, nb_pkts,
split_flags);
if (nb_bufs == 0)
return 0;
/* happy day case, full burst + no packets to be joined */
const uint64_t *split_fl64 = (uint64_t *)split_flags;
if (!rxq->pkt_first_seg &&
split_fl64[0] == 0 && split_fl64[1] == 0 &&
split_fl64[2] == 0 && split_fl64[3] == 0)
return nb_bufs;
/* reassemble any packets that need reassembly*/
unsigned int i = 0;
if (!rxq->pkt_first_seg) {
/* find the first split flag, and only reassemble then*/
while (i < nb_bufs && !split_flags[i])
i++;
if (i == nb_bufs)
return nb_bufs;
}
return i + ice_rx_reassemble_packets(rxq, &rx_pkts[i], nb_bufs - i,
&split_flags[i]);
}
int __attribute__((cold))
ice_rxq_vec_setup(struct ice_rx_queue *rxq)
{