diff options
Diffstat (limited to 'drivers/net/sfc')
| -rw-r--r-- | drivers/net/sfc/falcon.c | 13 | ||||
| -rw-r--r-- | drivers/net/sfc/falcon_xmac.c | 3 |
2 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 08f540f072b..040f553de66 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -1939,7 +1939,6 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx) struct efx_link_state *link_state = &efx->link_state; efx_oword_t reg; int link_speed; - bool tx_fc; switch (link_state->speed) { case 10000: link_speed = 3; break; @@ -1969,13 +1968,10 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx) /* Restore the multicast hash registers. */ falcon_push_multicast_hash(efx); - /* Transmission of pause frames when RX crosses the threshold is - * covered by RX_XOFF_MAC_EN and XM_TX_CFG_REG:XM_FCNTL. - * Action on receipt of pause frames is controller by XM_DIS_FCNTL */ - tx_fc = !!(efx->link_state.fc & EFX_FC_TX); efx_reado(efx, ®, FR_AZ_RX_CFG); - EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, tx_fc); - + /* Enable XOFF signal from RX FIFO (we enabled it during NIC + * initialisation but it may read back as 0) */ + EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, 1); /* Unisolate the MAC -> RX */ if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1); @@ -3000,6 +2996,9 @@ static void falcon_init_rx_cfg(struct efx_nic *efx) EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_XOFF_TX_TH, ctrl_xoff_thr); EFX_SET_OWORD_FIELD(reg, FRF_BZ_RX_INGR_EN, 1); } + /* Always enable XOFF signal from RX FIFO. We enable + * or disable transmission of pause frames at the MAC. */ + EFX_SET_OWORD_FIELD(reg, FRF_AZ_RX_XOFF_MAC_EN, 1); efx_writeo(efx, ®, FR_AZ_RX_CFG); } diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c index 1523efdcefe..60dc0975cfa 100644 --- a/drivers/net/sfc/falcon_xmac.c +++ b/drivers/net/sfc/falcon_xmac.c @@ -148,6 +148,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx) unsigned int max_frame_len; efx_oword_t reg; bool rx_fc = !!(efx->link_state.fc & EFX_FC_RX); + bool tx_fc = !!(efx->link_state.fc & EFX_FC_TX); /* Configure MAC - cut-thru mode is hard wired on */ EFX_POPULATE_OWORD_3(reg, @@ -162,7 +163,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx) FRF_AB_XM_TX_PRMBL, 1, FRF_AB_XM_AUTO_PAD, 1, FRF_AB_XM_TXCRC, 1, - FRF_AB_XM_FCNTL, 1, + FRF_AB_XM_FCNTL, tx_fc, FRF_AB_XM_IPG, 0x3); efx_writeo(efx, ®, FR_AB_XM_TX_CFG); |