__checkReturn int efx_rx_init( __in efx_nic_t *enp) { efx_oword_t oword; unsigned int index; int rc; EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); if (!(enp->en_mod_flags & EFX_MOD_EV)) { rc = EINVAL; goto fail1; } if (enp->en_mod_flags & EFX_MOD_RX) { rc = EINVAL; goto fail2; } EFX_BAR_READO(enp, FR_AZ_RX_CFG_REG, &oword); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_DESC_PUSH_EN, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_ALG, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_IP_HASH, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_TCP_SUP, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_HASH_INSRT_HDR, 0); EFX_SET_OWORD_FIELD(oword, FRF_BZ_RX_USR_BUF_SIZE, 0x3000 / 32); EFX_BAR_WRITEO(enp, FR_AZ_RX_CFG_REG, &oword); /* Zero the RSS table */ for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS; index++) { EFX_ZERO_OWORD(oword); EFX_BAR_TBL_WRITEO(enp, FR_BZ_RX_INDIRECTION_TBL, index, &oword); } enp->en_mod_flags |= EFX_MOD_RX; return (0); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, int, rc); return (rc); }
__checkReturn efx_rc_t efx_nic_biu_test( __in efx_nic_t *enp) { efx_oword_t oword; efx_rc_t rc; /* * Write magic values to scratch registers 0 and 1, then * verify that the values were written correctly. Interleave * the accesses to ensure that the BIU is not just reading * back the cached value that was last written. */ EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, EFX_BIU_MAGIC0); EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, EFX_BIU_MAGIC1); EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != EFX_BIU_MAGIC0) { rc = EIO; goto fail1; } EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != EFX_BIU_MAGIC1) { rc = EIO; goto fail2; } /* * Perform the same test, with the values swapped. This * ensures that subsequent tests don't start with the correct * values already written into the scratch registers. */ EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, EFX_BIU_MAGIC1); EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); EFX_POPULATE_OWORD_1(oword, FRF_AZ_DRIVER_DW0, EFX_BIU_MAGIC0); EFX_BAR_TBL_WRITEO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 0, &oword, B_TRUE); if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != EFX_BIU_MAGIC1) { rc = EIO; goto fail3; } EFX_BAR_TBL_READO(enp, FR_AZ_DRIVER_REG, 1, &oword, B_TRUE); if (EFX_OWORD_FIELD(oword, FRF_AZ_DRIVER_DW0) != EFX_BIU_MAGIC0) { rc = EIO; goto fail4; } return (0); fail4: EFSYS_PROBE(fail4); fail3: EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); }