diff options
Diffstat (limited to 'drivers/net/sfc/base/ef10_ev.c')
| -rw-r--r-- | drivers/net/sfc/base/ef10_ev.c | 112 |
1 files changed, 85 insertions, 27 deletions
diff --git a/drivers/net/sfc/base/ef10_ev.c b/drivers/net/sfc/base/ef10_ev.c index 05700c5c..7f89a7bf 100644 --- a/drivers/net/sfc/base/ef10_ev.c +++ b/drivers/net/sfc/base/ef10_ev.c @@ -10,7 +10,7 @@ #include "mcdi_mon.h" #endif -#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD +#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 #if EFSYS_OPT_QSTATS #define EFX_EV_QSTAT_INCR(_eep, _stat) \ @@ -549,7 +549,8 @@ ef10_ev_qdestroy( efx_nic_t *enp = eep->ee_enp; EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + enp->en_family == EFX_FAMILY_MEDFORD || + enp->en_family == EFX_FAMILY_MEDFORD2); (void) efx_mcdi_fini_evq(enp, eep->ee_index); } @@ -576,7 +577,7 @@ ef10_ev_qprime( EFE_DD_EVQ_IND_RPTR_FLAGS_HIGH, ERF_DD_EVQ_IND_RPTR, (rptr >> ERF_DD_EVQ_IND_RPTR_WIDTH)); - EFX_BAR_TBL_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, + EFX_BAR_VI_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, &dword, B_FALSE); EFX_POPULATE_DWORD_2(dword, @@ -584,11 +585,11 @@ ef10_ev_qprime( EFE_DD_EVQ_IND_RPTR_FLAGS_LOW, ERF_DD_EVQ_IND_RPTR, rptr & ((1 << ERF_DD_EVQ_IND_RPTR_WIDTH) - 1)); - EFX_BAR_TBL_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, + EFX_BAR_VI_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, &dword, B_FALSE); } else { EFX_POPULATE_DWORD_1(dword, ERF_DZ_EVQ_RPTR, rptr); - EFX_BAR_TBL_WRITED(enp, ER_DZ_EVQ_RPTR_REG, eep->ee_index, + EFX_BAR_VI_WRITED(enp, ER_DZ_EVQ_RPTR_REG, eep->ee_index, &dword, B_FALSE); } @@ -701,13 +702,19 @@ ef10_ev_qmoderate( EFE_DD_EVQ_IND_TIMER_FLAGS, ERF_DD_EVQ_IND_TIMER_MODE, mode, ERF_DD_EVQ_IND_TIMER_VAL, ticks); - EFX_BAR_TBL_WRITED(enp, ER_DD_EVQ_INDIRECT, + EFX_BAR_VI_WRITED(enp, ER_DD_EVQ_INDIRECT, eep->ee_index, &dword, 0); } else { - EFX_POPULATE_DWORD_2(dword, + /* + * NOTE: The TMR_REL field introduced in Medford2 is + * ignored on earlier EF10 controllers. See bug66418 + * comment 9 for details. + */ + EFX_POPULATE_DWORD_3(dword, ERF_DZ_TC_TIMER_MODE, mode, - ERF_DZ_TC_TIMER_VAL, ticks); - EFX_BAR_TBL_WRITED(enp, ER_DZ_EVQ_TMR_REG, + ERF_DZ_TC_TIMER_VAL, ticks, + ERF_FZ_TC_TMR_REL_VAL, ticks); + EFX_BAR_VI_WRITED(enp, ER_DZ_EVQ_TMR_REG, eep->ee_index, &dword, 0); } } @@ -742,7 +749,7 @@ ef10_ev_qstats_update( } #endif /* EFSYS_OPT_QSTATS */ -#if EFSYS_OPT_RX_PACKED_STREAM +#if EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER static __checkReturn boolean_t ef10_ev_rx_packed_stream( @@ -781,14 +788,25 @@ ef10_ev_rx_packed_stream( if (new_buffer) { flags |= EFX_PKT_PACKED_STREAM_NEW_BUFFER; +#if EFSYS_OPT_RX_PACKED_STREAM + /* + * If both packed stream and equal stride super-buffer + * modes are compiled in, in theory credits should be + * be maintained for packed stream only, but right now + * these modes are not distinguished in the event queue + * Rx queue state and it is OK to increment the counter + * regardless (it might be event cheaper than branching + * since neighbour structure member are updated as well). + */ eersp->eers_rx_packed_stream_credits++; +#endif eersp->eers_rx_read_ptr++; } current_id = eersp->eers_rx_read_ptr & eersp->eers_rx_mask; /* Check for errors that invalidate checksum and L3/L4 fields */ - if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ECC_ERR) != 0) { - /* RX frame truncated (error flag is misnamed) */ + if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_TRUNC_ERR) != 0) { + /* RX frame truncated */ EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC); flags |= EFX_DISCARD; goto deliver; @@ -823,7 +841,7 @@ deliver: return (should_abort); } -#endif /* EFSYS_OPT_RX_PACKED_STREAM */ +#endif /* EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER */ static __checkReturn boolean_t ef10_ev_rx( @@ -857,7 +875,7 @@ ef10_ev_rx( label = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_QLABEL); eersp = &eep->ee_rxq_state[label]; -#if EFSYS_OPT_RX_PACKED_STREAM +#if EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER /* * Packed stream events are very different, * so handle them separately @@ -867,12 +885,23 @@ ef10_ev_rx( #endif size = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_BYTES); + cont = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_CONT); next_read_lbits = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_DSC_PTR_LBITS); eth_tag_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ETH_TAG_CLASS); mac_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_MAC_CLASS); l3_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_L3_CLASS); - l4_class = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_L4_CLASS); - cont = EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_CONT); + + /* + * RX_L4_CLASS is 3 bits wide on Huntington and Medford, but is only + * 2 bits wide on Medford2. Check it is safe to use the Medford2 field + * and values for all EF10 controllers. + */ + EFX_STATIC_ASSERT(ESF_FZ_RX_L4_CLASS_LBN == ESF_DE_RX_L4_CLASS_LBN); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_TCP == ESE_DE_L4_CLASS_TCP); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_UDP == ESE_DE_L4_CLASS_UDP); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_UNKNOWN == ESE_DE_L4_CLASS_UNKNOWN); + + l4_class = EFX_QWORD_FIELD(*eqp, ESF_FZ_RX_L4_CLASS); if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_DROP_EVENT) != 0) { /* Drop this event */ @@ -914,8 +943,8 @@ ef10_ev_rx( last_used_id = (eersp->eers_rx_read_ptr - 1) & eersp->eers_rx_mask; /* Check for errors that invalidate checksum and L3/L4 fields */ - if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_ECC_ERR) != 0) { - /* RX frame truncated (error flag is misnamed) */ + if (EFX_QWORD_FIELD(*eqp, ESF_DZ_RX_TRUNC_ERR) != 0) { + /* RX frame truncated */ EFX_EV_QSTAT_INCR(eep, EV_RX_FRM_TRUNC); flags |= EFX_DISCARD; goto deliver; @@ -951,10 +980,22 @@ ef10_ev_rx( flags |= EFX_CKSUM_IPV4; } - if (l4_class == ESE_DZ_L4_CLASS_TCP) { + /* + * RX_L4_CLASS is 3 bits wide on Huntington and Medford, but is + * only 2 bits wide on Medford2. Check it is safe to use the + * Medford2 field and values for all EF10 controllers. + */ + EFX_STATIC_ASSERT(ESF_FZ_RX_L4_CLASS_LBN == + ESF_DE_RX_L4_CLASS_LBN); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_TCP == ESE_DE_L4_CLASS_TCP); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_UDP == ESE_DE_L4_CLASS_UDP); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_UNKNOWN == + ESE_DE_L4_CLASS_UNKNOWN); + + if (l4_class == ESE_FZ_L4_CLASS_TCP) { EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV4); flags |= EFX_PKT_TCP; - } else if (l4_class == ESE_DZ_L4_CLASS_UDP) { + } else if (l4_class == ESE_FZ_L4_CLASS_UDP) { EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV4); flags |= EFX_PKT_UDP; } else { @@ -966,10 +1007,22 @@ ef10_ev_rx( case ESE_DZ_L3_CLASS_IP6_FRAG: flags |= EFX_PKT_IPV6; - if (l4_class == ESE_DZ_L4_CLASS_TCP) { + /* + * RX_L4_CLASS is 3 bits wide on Huntington and Medford, but is + * only 2 bits wide on Medford2. Check it is safe to use the + * Medford2 field and values for all EF10 controllers. + */ + EFX_STATIC_ASSERT(ESF_FZ_RX_L4_CLASS_LBN == + ESF_DE_RX_L4_CLASS_LBN); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_TCP == ESE_DE_L4_CLASS_TCP); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_UDP == ESE_DE_L4_CLASS_UDP); + EFX_STATIC_ASSERT(ESE_FZ_L4_CLASS_UNKNOWN == + ESE_DE_L4_CLASS_UNKNOWN); + + if (l4_class == ESE_FZ_L4_CLASS_TCP) { EFX_EV_QSTAT_INCR(eep, EV_RX_TCP_IPV6); flags |= EFX_PKT_TCP; - } else if (l4_class == ESE_DZ_L4_CLASS_UDP) { + } else if (l4_class == ESE_FZ_L4_CLASS_UDP) { EFX_EV_QSTAT_INCR(eep, EV_RX_UDP_IPV6); flags |= EFX_PKT_UDP; } else { @@ -1322,8 +1375,9 @@ ef10_ev_rxlabel_init( __in efx_rxq_type_t type) { efx_evq_rxq_state_t *eersp; -#if EFSYS_OPT_RX_PACKED_STREAM +#if EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER boolean_t packed_stream = (type == EFX_RXQ_TYPE_PACKED_STREAM); + boolean_t es_super_buffer = (type == EFX_RXQ_TYPE_ES_SUPER_BUFFER); #endif _NOTE(ARGUNUSED(type)) @@ -1345,9 +1399,11 @@ ef10_ev_rxlabel_init( eersp->eers_rx_read_ptr = 0; #endif eersp->eers_rx_mask = erp->er_mask; -#if EFSYS_OPT_RX_PACKED_STREAM +#if EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER eersp->eers_rx_stream_npackets = 0; - eersp->eers_rx_packed_stream = packed_stream; + eersp->eers_rx_packed_stream = packed_stream || es_super_buffer; +#endif +#if EFSYS_OPT_RX_PACKED_STREAM if (packed_stream) { eersp->eers_rx_packed_stream_credits = (eep->ee_mask + 1) / EFX_DIV_ROUND_UP(EFX_RX_PACKED_STREAM_MEM_PER_CREDIT, @@ -1381,11 +1437,13 @@ ef10_ev_rxlabel_fini( eersp->eers_rx_read_ptr = 0; eersp->eers_rx_mask = 0; -#if EFSYS_OPT_RX_PACKED_STREAM +#if EFSYS_OPT_RX_PACKED_STREAM || EFSYS_OPT_RX_ES_SUPER_BUFFER eersp->eers_rx_stream_npackets = 0; eersp->eers_rx_packed_stream = B_FALSE; +#endif +#if EFSYS_OPT_RX_PACKED_STREAM eersp->eers_rx_packed_stream_credits = 0; #endif } -#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ +#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */ |