[PATCH] net/i40e: update fdir Rx resource
STALE3178d
From: Beilei Xing <hidden>
Date: 2018-01-18 10:49:34
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add FDIR Rx ring initialization and update Rx queue HW tail when there's error detected during programming FDIR flow. Signed-off-by: Beilei Xing <redacted> --- drivers/net/i40e/i40e_fdir.c | 7 ++++++- drivers/net/i40e/i40e_rxtx.c | 1 + 2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 906c204..d29b4af 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c@@ -1342,13 +1342,18 @@ i40e_check_fdir_programming_status(struct i40e_rx_queue *rxq) PMD_DRV_LOG(ERR, "invalid programming status" " reported, error = %u.", error); } else - PMD_DRV_LOG(ERR, "unknown programming status" + PMD_DRV_LOG(INFO, "unknown programming status" " reported, len = %d, id = %u.", len, id); rxdp->wb.qword1.status_error_len = 0; rxq->rx_tail++; if (unlikely(rxq->rx_tail == rxq->nb_rx_desc)) rxq->rx_tail = 0; + if (rxq->rx_tail == 0) + I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); + else + I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->rx_tail); } + return ret; }
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 23256b7..f16944e 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c@@ -2719,6 +2719,7 @@ i40e_fdir_setup_rx_resources(struct i40e_pf *pf) rxq->vsi = pf->fdir.fdir_vsi; rxq->rx_ring_phys_addr = rz->iova; + memset(rz->addr, 0, I40E_FDIR_NUM_RX_DESC * sizeof(union i40e_rx_desc)); rxq->rx_ring = (union i40e_rx_desc *)rz->addr; /*
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2.5.5