From: "Chen Jing D(Mark)" <jing.d.chen@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v3 08/16] fm10k: add Vector RX scatter function
Date: Tue, 27 Oct 2015 17:46:41 +0800 [thread overview]
Message-ID: <1445939209-12783-9-git-send-email-jing.d.chen@intel.com> (raw)
In-Reply-To: <1445939209-12783-1-git-send-email-jing.d.chen@intel.com>
From: "Chen Jing D(Mark)" <jing.d.chen@intel.com>
Add func fm10k_recv_scattered_pkts_vec to receive chained packets
with SSE instructions.
Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
---
drivers/net/fm10k/fm10k.h | 2 +
drivers/net/fm10k/fm10k_rxtx_vec.c | 88 ++++++++++++++++++++++++++++++++++++
2 files changed, 90 insertions(+), 0 deletions(-)
diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h
index 1502ae3..06697fa 100644
--- a/drivers/net/fm10k/fm10k.h
+++ b/drivers/net/fm10k/fm10k.h
@@ -329,4 +329,6 @@ uint16_t fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
int fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq);
int fm10k_rx_vec_condition_check(struct rte_eth_dev *);
uint16_t fm10k_recv_pkts_vec(void *, struct rte_mbuf **, uint16_t);
+uint16_t fm10k_recv_scattered_pkts_vec(void *, struct rte_mbuf **,
+ uint16_t);
#endif
diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c
index 2e6f1a2..3fd5d45 100644
--- a/drivers/net/fm10k/fm10k_rxtx_vec.c
+++ b/drivers/net/fm10k/fm10k_rxtx_vec.c
@@ -513,3 +513,91 @@ fm10k_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
{
return fm10k_recv_raw_pkts_vec(rx_queue, rx_pkts, nb_pkts, NULL);
}
+
+static inline uint16_t
+fm10k_reassemble_packets(struct fm10k_rx_queue *rxq,
+ struct rte_mbuf **rx_bufs,
+ uint16_t nb_bufs, uint8_t *split_flags)
+{
+ struct rte_mbuf *pkts[RTE_FM10K_MAX_RX_BURST]; /*finished pkts*/
+ struct rte_mbuf *start = rxq->pkt_first_seg;
+ struct rte_mbuf *end = rxq->pkt_last_seg;
+ unsigned pkt_idx, buf_idx;
+
+
+ for (buf_idx = 0, pkt_idx = 0; buf_idx < nb_bufs; buf_idx++) {
+ if (end != NULL) {
+ /* processing a split packet */
+ end->next = rx_bufs[buf_idx];
+ start->nb_segs++;
+ start->pkt_len += rx_bufs[buf_idx]->data_len;
+ end = end->next;
+
+ if (!split_flags[buf_idx]) {
+ /* it's the last packet of the set */
+ start->hash = end->hash;
+ start->ol_flags = end->ol_flags;
+ pkts[pkt_idx++] = start;
+ start = end = NULL;
+ }
+ } else {
+ /* not processing a split packet */
+ if (!split_flags[buf_idx]) {
+ /* not a split packet, save and skip */
+ pkts[pkt_idx++] = rx_bufs[buf_idx];
+ continue;
+ }
+ end = start = rx_bufs[buf_idx];
+ }
+ }
+
+ /* save the partial packet for next time */
+ rxq->pkt_first_seg = start;
+ rxq->pkt_last_seg = end;
+ memcpy(rx_bufs, pkts, pkt_idx * (sizeof(*pkts)));
+ return pkt_idx;
+}
+
+/*
+ * vPMD receive routine that reassembles scattered packets
+ *
+ * Notice:
+ * - don't support ol_flags for rss and csum err
+ * - nb_pkts > RTE_FM10K_MAX_RX_BURST, only scan RTE_FM10K_MAX_RX_BURST
+ * numbers of DD bit
+ */
+uint16_t
+fm10k_recv_scattered_pkts_vec(void *rx_queue,
+ struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts)
+{
+ struct fm10k_rx_queue *rxq = rx_queue;
+ uint8_t split_flags[RTE_FM10K_MAX_RX_BURST] = {0};
+ unsigned i = 0;
+
+ /* Split_flags only can support max of RTE_FM10K_MAX_RX_BURST */
+ nb_pkts = RTE_MIN(nb_pkts, RTE_FM10K_MAX_RX_BURST);
+ /* get some new buffers */
+ uint16_t nb_bufs = fm10k_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 == NULL &&
+ 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*/
+ if (rxq->pkt_first_seg == NULL) {
+ /* 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 + fm10k_reassemble_packets(rxq, &rx_pkts[i], nb_bufs - i,
+ &split_flags[i]);
+}
--
1.7.7.6
next prev parent reply other threads:[~2015-10-27 9:47 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 13:03 [dpdk-dev] [PATCH 00/14] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 01/14] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 00/16] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 01/16] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-22 15:58 ` Stephen Hemminger
2015-10-23 8:39 ` Chen, Jing D
2015-10-23 10:01 ` Bruce Richardson
2015-10-27 5:26 ` Chen, Jing D
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 00/16] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 01/16] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-29 9:15 ` [dpdk-dev] [PATCH v4 00/16] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-29 9:15 ` [dpdk-dev] [PATCH v4 01/16] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 00/14] Vector Rx/Tx PMD implementation for fm10k Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 01/14] fm10k: add new vPMD file Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 02/14] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 03/14] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 04/14] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 05/14] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-30 8:02 ` [dpdk-dev] [PATCH v5 06/14] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 07/14] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 08/14] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 09/14] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 10/14] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 11/14] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 12/14] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 13/14] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-30 8:03 ` [dpdk-dev] [PATCH v5 14/14] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-11-02 8:36 ` Thomas Monjalon
2015-10-30 8:26 ` [dpdk-dev] [PATCH v5 00/14] Vector Rx/Tx PMD implementation for fm10k Liang, Cunming
2015-11-02 8:38 ` Thomas Monjalon
2015-10-29 9:15 ` [dpdk-dev] [PATCH v4 02/16] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 03/16] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 04/16] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 05/16] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 06/16] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 07/16] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 08/16] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 09/16] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 10/16] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 11/16] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 12/16] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 13/16] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 14/16] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 15/16] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-29 9:16 ` [dpdk-dev] [PATCH v4 16/16] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-10-29 10:22 ` [dpdk-dev] [PATCH v4 00/16] Vector Rx/Tx PMD implementation for fm10k Liang, Cunming
2015-10-29 23:12 ` Thomas Monjalon
2015-10-30 3:09 ` Chen, Jing D
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 02/16] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 03/16] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 04/16] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-10-28 13:58 ` Liang, Cunming
2015-10-29 5:24 ` Chen, Jing D
2015-10-29 8:14 ` Liang, Cunming
2015-10-29 8:37 ` Chen, Jing D
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 05/16] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 06/16] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 07/16] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-27 9:46 ` Chen Jing D(Mark) [this message]
2015-10-28 14:30 ` [dpdk-dev] [PATCH v3 08/16] fm10k: add Vector RX scatter function Liang, Cunming
2015-10-29 5:27 ` Chen, Jing D
2015-10-29 8:06 ` Liang, Cunming
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 09/16] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 10/16] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 11/16] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 12/16] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 13/16] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 14/16] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 15/16] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-27 9:46 ` [dpdk-dev] [PATCH v3 16/16] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 02/16] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 03/16] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-10-22 15:57 ` Stephen Hemminger
2015-10-23 8:27 ` Chen, Jing D
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 04/16] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 05/16] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 06/16] fm10k: add Vector RX function Chen Jing D(Mark)
2015-10-27 5:24 ` Liang, Cunming
2015-10-27 5:32 ` Chen, Jing D
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 07/16] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 08/16] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-10-27 5:27 ` Liang, Cunming
2015-10-27 5:43 ` Chen, Jing D
2015-10-27 5:55 ` Chen, Jing D
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 09/16] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 10/16] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-10-22 9:44 ` [dpdk-dev] [PATCH v2 11/16] fm10k: add Vector TX function Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 12/16] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 13/16] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 14/16] fm10k: Add function to decide best TX func Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 15/16] fm10k: fix a crash issue in vector RX func Chen Jing D(Mark)
2015-10-22 9:45 ` [dpdk-dev] [PATCH v2 16/16] doc: release notes update for fm10k Vector PMD Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 02/14] fm10k: add vPMD pre-condition check for each RX queue Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 03/14] fm10k: Add a new func to initialize all parameters Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 04/14] fm10k: add func to re-allocate mbuf for RX ring Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 05/14] fm10k: add 2 functions to parse pkt_type and offload flag Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 06/14] fm10k: add Vector RX function Chen Jing D(Mark)
2015-09-29 13:14 ` Ananyev, Konstantin
2015-09-29 14:22 ` Bruce Richardson
2015-09-30 13:23 ` Chen, Jing D
2015-09-30 13:18 ` Chen, Jing D
2015-09-29 13:03 ` [dpdk-dev] [PATCH 07/14] fm10k: add func to do Vector RX condition check Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 08/14] fm10k: add Vector RX scatter function Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 09/14] fm10k: add function to decide best RX function Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 10/14] fm10k: add func to release mbuf in case Vector RX applied Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 11/14] fm10k: add Vector TX function Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 12/14] fm10k: use func pointer to reset TX queue and mbuf release Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 13/14] fm10k: introduce 2 funcs " Chen Jing D(Mark)
2015-09-29 13:03 ` [dpdk-dev] [PATCH 14/14] fm10k: Add function to decide best TX func Chen Jing D(Mark)
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