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head/sys/dev/cxgbe/common/t4_hw.c
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| * t4_init_tp_params - initialize adap->params.tp | * t4_init_tp_params - initialize adap->params.tp | ||||
| * @adap: the adapter | * @adap: the adapter | ||||
| * | * | ||||
| * Initialize various fields of the adapter's TP Parameters structure. | * Initialize various fields of the adapter's TP Parameters structure. | ||||
| */ | */ | ||||
| int t4_init_tp_params(struct adapter *adap, bool sleep_ok) | int t4_init_tp_params(struct adapter *adap, bool sleep_ok) | ||||
| { | { | ||||
| int chan; | int chan; | ||||
| u32 v; | u32 tx_len, rx_len, r, v; | ||||
| struct tp_params *tpp = &adap->params.tp; | struct tp_params *tpp = &adap->params.tp; | ||||
| v = t4_read_reg(adap, A_TP_TIMER_RESOLUTION); | v = t4_read_reg(adap, A_TP_TIMER_RESOLUTION); | ||||
| tpp->tre = G_TIMERRESOLUTION(v); | tpp->tre = G_TIMERRESOLUTION(v); | ||||
| tpp->dack_re = G_DELAYEDACKRESOLUTION(v); | tpp->dack_re = G_DELAYEDACKRESOLUTION(v); | ||||
| /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */ | /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */ | ||||
| for (chan = 0; chan < MAX_NCHAN; chan++) | for (chan = 0; chan < MAX_NCHAN; chan++) | ||||
| Show All 9 Lines | int t4_init_tp_params(struct adapter *adap, bool sleep_ok) | ||||
| tpp->err_vec_mask = htobe16(0xffff); | tpp->err_vec_mask = htobe16(0xffff); | ||||
| if (chip_id(adap) > CHELSIO_T5) { | if (chip_id(adap) > CHELSIO_T5) { | ||||
| v = t4_read_reg(adap, A_TP_OUT_CONFIG); | v = t4_read_reg(adap, A_TP_OUT_CONFIG); | ||||
| if (v & F_CRXPKTENC) { | if (v & F_CRXPKTENC) { | ||||
| tpp->err_vec_mask = | tpp->err_vec_mask = | ||||
| htobe16(V_T6_COMPR_RXERR_VEC(M_T6_COMPR_RXERR_VEC)); | htobe16(V_T6_COMPR_RXERR_VEC(M_T6_COMPR_RXERR_VEC)); | ||||
| } | } | ||||
| } | } | ||||
| rx_len = t4_read_reg(adap, A_TP_PMM_RX_PAGE_SIZE); | |||||
| tx_len = t4_read_reg(adap, A_TP_PMM_TX_PAGE_SIZE); | |||||
| r = t4_read_reg(adap, A_TP_PARA_REG2); | |||||
| rx_len = min(rx_len, G_MAXRXDATA(r)); | |||||
| tx_len = min(tx_len, G_MAXRXDATA(r)); | |||||
| r = t4_read_reg(adap, A_TP_PARA_REG7); | |||||
| v = min(G_PMMAXXFERLEN0(r), G_PMMAXXFERLEN1(r)); | |||||
| rx_len = min(rx_len, v); | |||||
| tx_len = min(tx_len, v); | |||||
| tpp->max_tx_pdu = tx_len; | |||||
| tpp->max_rx_pdu = rx_len; | |||||
| return 0; | return 0; | ||||
| } | } | ||||
| /** | /** | ||||
| * t4_filter_field_shift - calculate filter field shift | * t4_filter_field_shift - calculate filter field shift | ||||
| * @adap: the adapter | * @adap: the adapter | ||||
| * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits) | * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits) | ||||
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