diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index 4be3559de207f76501c53ccb13de6b7df7e4f6a5..01e5ecaaa3225a0a9d411db8f26dc41f63e3a467 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -1078,6 +1078,7 @@ static const struct ice_ctx_ele ice_rlan_ctx_info[] = { ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195), ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196), ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198), + ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201), { 0 } }; @@ -1088,7 +1089,8 @@ static const struct ice_ctx_ele ice_rlan_ctx_info[] = { * @rxq_index: the index of the Rx queue * * Converts rxq context from sparse to dense structure and then writes - * it to HW register space + * it to HW register space and enables the hardware to prefetch descriptors + * instead of only fetching them on demand */ enum ice_status ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx, @@ -1096,6 +1098,11 @@ ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx, { u8 ctx_buf[ICE_RXQ_CTX_SZ] = { 0 }; + if (!rlan_ctx) + return ICE_ERR_BAD_PTR; + + rlan_ctx->prefena = 1; + ice_set_ctx((u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info); return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index); } diff --git a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h index 510a8c900e613806c93a25a66ef4ac8893dc7d8d..57ea6811fe2ce1bf00ea1ab6c44f780ca7583891 100644 --- a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h +++ b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h @@ -290,6 +290,7 @@ struct ice_rlan_ctx { u8 tphdata_ena; u8 tphhead_ena; u16 lrxqthresh; /* bigger than needed, see above for reason */ + u8 prefena; /* NOTE: normally must be set to 1 at init */ }; struct ice_ctx_ele {