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From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: dev@dpdk.org
Date: Thu, 3 Mar 2016 15:27:14 +0100
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<1457015237-2993-1-git-send-email-adrien.mazarguil@6wind.com>
Subject: [dpdk-dev] [PATCH v3 4/7] mlx5: process offload flags only when
requested
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From: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Improve performance by processing offloads only when requested by the
application.
Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
---
drivers/net/mlx5/mlx5_rxtx.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index 63ddc53..c84ec8c 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -853,14 +853,16 @@ mlx5_rx_burst_sp(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
NB_SEGS(pkt_buf) = j;
PORT(pkt_buf) = rxq->port_id;
PKT_LEN(pkt_buf) = pkt_buf_len;
- pkt_buf->packet_type = rxq_cq_to_pkt_type(flags);
- pkt_buf->ol_flags = rxq_cq_to_ol_flags(rxq, flags);
+ if (rxq->csum | rxq->csum_l2tun | rxq->vlan_strip) {
+ pkt_buf->packet_type = rxq_cq_to_pkt_type(flags);
+ pkt_buf->ol_flags = rxq_cq_to_ol_flags(rxq, flags);
#ifdef HAVE_EXP_DEVICE_ATTR_VLAN_OFFLOADS
- if (flags & IBV_EXP_CQ_RX_CVLAN_STRIPPED_V1) {
- pkt_buf->ol_flags |= PKT_RX_VLAN_PKT;
- pkt_buf->vlan_tci = vlan_tci;
- }
+ if (flags & IBV_EXP_CQ_RX_CVLAN_STRIPPED_V1) {
+ pkt_buf->ol_flags |= PKT_RX_VLAN_PKT;
+ pkt_buf->vlan_tci = vlan_tci;
+ }
#endif /* HAVE_EXP_DEVICE_ATTR_VLAN_OFFLOADS */
+ }
/* Return packet. */
*(pkts++) = pkt_buf;
@@ -1006,15 +1008,16 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
NEXT(seg) = NULL;
PKT_LEN(seg) = len;
DATA_LEN(seg) = len;
- seg->packet_type = rxq_cq_to_pkt_type(flags);
- seg->ol_flags = rxq_cq_to_ol_flags(rxq, flags);
+ if (rxq->csum | rxq->csum_l2tun | rxq->vlan_strip) {
+ seg->packet_type = rxq_cq_to_pkt_type(flags);
+ seg->ol_flags = rxq_cq_to_ol_flags(rxq, flags);
#ifdef HAVE_EXP_DEVICE_ATTR_VLAN_OFFLOADS
- if (flags & IBV_EXP_CQ_RX_CVLAN_STRIPPED_V1) {
- seg->ol_flags |= PKT_RX_VLAN_PKT;
- seg->vlan_tci = vlan_tci;
- }
+ if (flags & IBV_EXP_CQ_RX_CVLAN_STRIPPED_V1) {
+ seg->ol_flags |= PKT_RX_VLAN_PKT;
+ seg->vlan_tci = vlan_tci;
+ }
#endif /* HAVE_EXP_DEVICE_ATTR_VLAN_OFFLOADS */
-
+ }
/* Return packet. */
*(pkts++) = seg;
++pkts_ret;
--
2.1.4