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);
+ 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);
}
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;
#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 */
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;
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 {
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 {