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authorLuca Boccassi <luca.boccassi@gmail.com>2017-11-13 10:38:04 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2017-11-13 10:38:39 +0000
commit976be7358289d46cd5ed8131bbf2e2c5a6838d3c (patch)
tree5e6f873dd1658446539f9d4621e2d16f559c867d /drivers/net/mlx4/mlx4_rxtx.c
parent055c52583a2794da8ba1e85a48cce3832372b12f (diff)
New upstream version 17.11~rc4
Change-Id: I5cc288310eaa28cb8c2e475afce5e19f8c08ba1e Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/mlx4/mlx4_rxtx.c')
-rw-r--r--drivers/net/mlx4/mlx4_rxtx.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/net/mlx4/mlx4_rxtx.c b/drivers/net/mlx4/mlx4_rxtx.c
index 3985e06d..2bfa8b1b 100644
--- a/drivers/net/mlx4/mlx4_rxtx.c
+++ b/drivers/net/mlx4/mlx4_rxtx.c
@@ -336,6 +336,7 @@ mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
{
unsigned int elts_comp = txq->elts_comp;
unsigned int elts_tail = txq->elts_tail;
+ unsigned int sq_tail = sq->tail;
struct mlx4_cq *cq = &txq->mcq;
volatile struct mlx4_cqe *cqe;
uint32_t cons_index = cq->cons_index;
@@ -372,13 +373,13 @@ mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
rte_be_to_cpu_16(cqe->wqe_index) & sq->txbb_cnt_mask;
do {
/* Free next descriptor. */
- nr_txbbs +=
+ sq_tail += nr_txbbs;
+ nr_txbbs =
mlx4_txq_stamp_freed_wqe(sq,
- (sq->tail + nr_txbbs) & sq->txbb_cnt_mask,
- !!((sq->tail + nr_txbbs) & sq->txbb_cnt));
+ sq_tail & sq->txbb_cnt_mask,
+ !!(sq_tail & sq->txbb_cnt));
pkts++;
- } while (((sq->tail + nr_txbbs) & sq->txbb_cnt_mask) !=
- new_index);
+ } while ((sq_tail & sq->txbb_cnt_mask) != new_index);
cons_index++;
} while (1);
if (unlikely(pkts == 0))
@@ -386,7 +387,7 @@ mlx4_txq_complete(struct txq *txq, const unsigned int elts_n,
/* Update CQ. */
cq->cons_index = cons_index;
*cq->set_ci_db = rte_cpu_to_be_32(cq->cons_index & MLX4_CQ_DB_CI_MASK);
- sq->tail = sq->tail + nr_txbbs;
+ sq->tail = sq_tail + nr_txbbs;
/* Update the list of packets posted for transmission. */
elts_comp -= pkts;
assert(elts_comp <= txq->elts_comp);
@@ -751,7 +752,8 @@ mlx4_tx_burst(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
* Packet type for struct rte_mbuf.
*/
static inline uint32_t
-rxq_cq_to_pkt_type(volatile struct mlx4_cqe *cqe)
+rxq_cq_to_pkt_type(volatile struct mlx4_cqe *cqe,
+ uint32_t l2tun_offload)
{
uint8_t idx = 0;
uint32_t pinfo = rte_be_to_cpu_32(cqe->vlan_my_qpn);
@@ -762,7 +764,7 @@ rxq_cq_to_pkt_type(volatile struct mlx4_cqe *cqe)
* bit[7] - MLX4_CQE_L2_TUNNEL
* bit[6] - MLX4_CQE_L2_TUNNEL_IPV4
*/
- if (!(pinfo & MLX4_CQE_L2_VLAN_MASK) && (pinfo & MLX4_CQE_L2_TUNNEL))
+ if (l2tun_offload && (pinfo & MLX4_CQE_L2_TUNNEL))
idx |= ((pinfo & MLX4_CQE_L2_TUNNEL) >> 20) |
((pinfo & MLX4_CQE_L2_TUNNEL_IPV4) >> 19);
/*
@@ -960,7 +962,8 @@ mlx4_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
}
pkt = seg;
/* Update packet information. */
- pkt->packet_type = rxq_cq_to_pkt_type(cqe);
+ pkt->packet_type =
+ rxq_cq_to_pkt_type(cqe, rxq->l2tun_offload);
pkt->ol_flags = 0;
pkt->pkt_len = len;
if (rxq->csum | rxq->csum_l2tun) {