diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 6ce5c0d39d59..36110cf68595 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -390,6 +390,7 @@ struct adapter_params { * used by the Port */ u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */ + bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */ }; /* State needed to monitor the forward progress of SGE Ingress DMA activities diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 3ce496494f3c..b31661ce2c75 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4519,6 +4519,12 @@ static int adap_init0(struct adapter *adap) "max_ordird_qp %d max_ird_adapter %d\n", adap->params.max_ordird_qp, adap->params.max_ird_adapter); + + /* Enable write_with_immediate if FW supports it */ + params[0] = FW_PARAM_DEV(RDMA_WRITE_WITH_IMM); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params, + val); + adap->params.write_w_imm_support = (ret == 0 && val[0] != 0); adap->num_ofld_uld += 2; } if (caps_cmd.iscsicaps) { diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c index 2d827140a475..d8748e1752be 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c @@ -666,6 +666,7 @@ static void uld_init(struct adapter *adap, struct cxgb4_lld_info *lld) lld->ulptx_memwrite_dsgl = adap->params.ulptx_memwrite_dsgl; lld->nodeid = dev_to_node(adap->pdev_dev); lld->fr_nsmr_tpte_wr_support = adap->params.fr_nsmr_tpte_wr_support; + lld->write_w_imm_support = adap->params.write_w_imm_support; } static void uld_attach(struct adapter *adap, unsigned int uld) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index 96a69bdacb4c..fa01a5ce21fa 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -354,6 +354,7 @@ struct cxgb4_lld_info { void **iscsi_ppm; /* iscsi page pod manager */ int nodeid; /* device numa node id */ bool fr_nsmr_tpte_wr_support; /* FW supports FR_NSMR_TPTE_WR */ + bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */ }; struct cxgb4_uld_info { diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h index 3b0074c0200f..ef7cb5ceefc4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h @@ -1213,6 +1213,7 @@ enum fw_params_param_dev { FW_PARAMS_PARAM_DEV_FILTER2_WR = 0x1D, FW_PARAMS_PARAM_DEV_MPSBGMAP = 0x1E, FW_PARAMS_PARAM_DEV_HMA_SIZE = 0x20, + FW_PARAMS_PARAM_DEV_RDMA_WRITE_WITH_IMM = 0x21, }; /*