Skip setting Tx MTU separately as now the Tx credit configuration
is based on max MTU possible for that link.
Also init MTU with max value for that port.
Fixes: 8589ec212e80 ("net/cnxk: support MTU set")
Signed-off-by: Nithin Dabilpuram <[email protected]>
---
drivers/common/cnxk/roc_nix.c | 2 +-
drivers/common/cnxk/roc_nix.h | 2 --
drivers/net/cnxk/cnxk_ethdev_ops.c | 12 +-----------
3 files changed, 2 insertions(+), 14 deletions(-)
diff --git a/drivers/common/cnxk/roc_nix.c b/drivers/common/cnxk/roc_nix.c
index 97c0ae3e25..90ccb260fb 100644
--- a/drivers/common/cnxk/roc_nix.c
+++ b/drivers/common/cnxk/roc_nix.c
@@ -484,7 +484,7 @@ roc_nix_dev_init(struct roc_nix *roc_nix)
sdp_lbk_id_update(pci_dev, nix);
nix->pci_dev = pci_dev;
nix->reta_sz = reta_sz;
- nix->mtu = ROC_NIX_DEFAULT_HW_FRS;
+ nix->mtu = roc_nix_max_pkt_len(roc_nix);
nix->dmac_flt_idx = -1;
/* Register error and ras interrupts */
diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index 9d57ca0be7..3799b551f2 100644
--- a/drivers/common/cnxk/roc_nix.h
+++ b/drivers/common/cnxk/roc_nix.h
@@ -267,8 +267,6 @@ struct roc_nix_eeprom_info {
#define ROC_NIX_RSS_KEY_LEN 48 /* 352 Bits */
#define ROC_NIX_RSS_MCAM_IDX_DEFAULT (-1)
-#define ROC_NIX_DEFAULT_HW_FRS 1514
-
#define ROC_NIX_VWQE_MAX_SIZE_LOG2 11
#define ROC_NIX_VWQE_MIN_SIZE_LOG2 2
diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c
b/drivers/net/cnxk/cnxk_ethdev_ops.c
index e816884d47..4962f3bced 100644
--- a/drivers/net/cnxk/cnxk_ethdev_ops.c
+++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
@@ -610,19 +610,9 @@ cnxk_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
frame_size -= RTE_ETHER_CRC_LEN;
- /* Update mtu on Tx */
- rc = roc_nix_mac_mtu_set(nix, frame_size);
- if (rc) {
- plt_err("Failed to set MTU, rc=%d", rc);
- goto exit;
- }
-
- /* Sync same frame size on Rx */
+ /* Set frame size on Rx */
rc = roc_nix_mac_max_rx_len_set(nix, frame_size);
if (rc) {
- /* Rollback to older mtu */
- roc_nix_mac_mtu_set(nix,
- old_frame_size - RTE_ETHER_CRC_LEN);
plt_err("Failed to max Rx frame length, rc=%d", rc);
goto exit;
}
--
2.25.1
