X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fef10_nic.c;h=b25ce1908e0ce750c30a09976aa1ff68761ee50c;hb=b67b4ecbde22015b48d27d1ece9d05128666ad87;hp=eb9ec2be35cd76234d8f4eb4bfee831782bdba78;hpb=b0d31b51385493d2bbd1f42e51ae868665b9010c;p=dpdk.git diff --git a/drivers/net/sfc/base/ef10_nic.c b/drivers/net/sfc/base/ef10_nic.c index eb9ec2be35..b25ce1908e 100644 --- a/drivers/net/sfc/base/ef10_nic.c +++ b/drivers/net/sfc/base/ef10_nic.c @@ -10,7 +10,7 @@ #include "mcdi_mon.h" #endif -#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD +#if EFX_OPTS_EF10() #include "ef10_tlv_layout.h" @@ -20,14 +20,12 @@ efx_mcdi_get_port_assignment( __out uint32_t *portp) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN, - MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN, + MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN); efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_PORT_ASSIGNMENT; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN; @@ -62,17 +60,16 @@ fail1: efx_mcdi_get_port_modes( __in efx_nic_t *enp, __out uint32_t *modesp, - __out_opt uint32_t *current_modep) + __out_opt uint32_t *current_modep, + __out_opt uint32_t *default_modep) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_GET_PORT_MODES_IN_LEN, - MC_CMD_GET_PORT_MODES_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_PORT_MODES_IN_LEN, + MC_CMD_GET_PORT_MODES_OUT_LEN); efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_PORT_MODES; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_PORT_MODES_IN_LEN; @@ -108,6 +105,11 @@ efx_mcdi_get_port_modes( GET_PORT_MODES_OUT_CURRENT_MODE); } + if (default_modep != NULL) { + *default_modep = MCDI_OUT_DWORD(req, + GET_PORT_MODES_OUT_DEFAULT_MODE); + } + return (0); fail3: @@ -122,63 +124,115 @@ fail1: __checkReturn efx_rc_t ef10_nic_get_port_mode_bandwidth( - __in uint32_t port_mode, + __in efx_nic_t *enp, __out uint32_t *bandwidth_mbpsp) { + uint32_t port_modes; + uint32_t current_mode; + efx_port_t *epp = &(enp->en_port); + + uint32_t single_lane; + uint32_t dual_lane; + uint32_t quad_lane; uint32_t bandwidth; efx_rc_t rc; - switch (port_mode) { - case TLV_PORT_MODE_10G: - bandwidth = 10000; + if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, + ¤t_mode, NULL)) != 0) { + /* No port mode info available. */ + goto fail1; + } + + if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_25000FDX)) + single_lane = 25000; + else + single_lane = 10000; + + if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_50000FDX)) + dual_lane = 50000; + else + dual_lane = 20000; + + if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_100000FDX)) + quad_lane = 100000; + else + quad_lane = 40000; + + switch (current_mode) { + case TLV_PORT_MODE_1x1_NA: /* mode 0 */ + bandwidth = single_lane; break; - case TLV_PORT_MODE_10G_10G: - bandwidth = 10000 * 2; + case TLV_PORT_MODE_1x2_NA: /* mode 10 */ + case TLV_PORT_MODE_NA_1x2: /* mode 11 */ + bandwidth = dual_lane; break; - case TLV_PORT_MODE_10G_10G_10G_10G: - case TLV_PORT_MODE_10G_10G_10G_10G_Q: - case TLV_PORT_MODE_10G_10G_10G_10G_Q1_Q2: - case TLV_PORT_MODE_10G_10G_10G_10G_Q2: - bandwidth = 10000 * 4; + case TLV_PORT_MODE_1x1_1x1: /* mode 2 */ + bandwidth = single_lane + single_lane; break; - case TLV_PORT_MODE_40G: - bandwidth = 40000; + case TLV_PORT_MODE_4x1_NA: /* mode 4 */ + case TLV_PORT_MODE_NA_4x1: /* mode 8 */ + bandwidth = 4 * single_lane; break; - case TLV_PORT_MODE_40G_40G: - bandwidth = 40000 * 2; + case TLV_PORT_MODE_2x1_2x1: /* mode 5 */ + bandwidth = (2 * single_lane) + (2 * single_lane); break; - case TLV_PORT_MODE_40G_10G_10G: - case TLV_PORT_MODE_10G_10G_40G: - bandwidth = 40000 + (10000 * 2); + case TLV_PORT_MODE_1x2_1x2: /* mode 12 */ + bandwidth = dual_lane + dual_lane; + break; + case TLV_PORT_MODE_1x2_2x1: /* mode 17 */ + case TLV_PORT_MODE_2x1_1x2: /* mode 18 */ + bandwidth = dual_lane + (2 * single_lane); + break; + /* Legacy Medford-only mode. Do not use (see bug63270) */ + case TLV_PORT_MODE_10G_10G_10G_10G_Q1_Q2: /* mode 9 */ + bandwidth = 4 * single_lane; + break; + case TLV_PORT_MODE_1x4_NA: /* mode 1 */ + case TLV_PORT_MODE_NA_1x4: /* mode 22 */ + bandwidth = quad_lane; + break; + case TLV_PORT_MODE_2x2_NA: /* mode 13 */ + case TLV_PORT_MODE_NA_2x2: /* mode 14 */ + bandwidth = 2 * dual_lane; + break; + case TLV_PORT_MODE_1x4_2x1: /* mode 6 */ + case TLV_PORT_MODE_2x1_1x4: /* mode 7 */ + bandwidth = quad_lane + (2 * single_lane); + break; + case TLV_PORT_MODE_1x4_1x2: /* mode 15 */ + case TLV_PORT_MODE_1x2_1x4: /* mode 16 */ + bandwidth = quad_lane + dual_lane; + break; + case TLV_PORT_MODE_1x4_1x4: /* mode 3 */ + bandwidth = quad_lane + quad_lane; break; default: rc = EINVAL; - goto fail1; + goto fail2; } *bandwidth_mbpsp = bandwidth; return (0); +fail2: + EFSYS_PROBE(fail2); fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); return (rc); } -static __checkReturn efx_rc_t + __checkReturn efx_rc_t efx_mcdi_vadaptor_alloc( __in efx_nic_t *enp, __in uint32_t port_id) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_VADAPTOR_ALLOC_IN_LEN, - MC_CMD_VADAPTOR_ALLOC_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_VADAPTOR_ALLOC_IN_LEN, + MC_CMD_VADAPTOR_ALLOC_OUT_LEN); efx_rc_t rc; - EFSYS_ASSERT3U(enp->en_vport_id, ==, EVB_PORT_ID_NULL); - - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_VADAPTOR_ALLOC; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_VADAPTOR_ALLOC_IN_LEN; @@ -205,17 +259,16 @@ fail1: return (rc); } -static __checkReturn efx_rc_t + __checkReturn efx_rc_t efx_mcdi_vadaptor_free( __in efx_nic_t *enp, __in uint32_t port_id) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_VADAPTOR_FREE_IN_LEN, - MC_CMD_VADAPTOR_FREE_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_VADAPTOR_FREE_IN_LEN, + MC_CMD_VADAPTOR_FREE_OUT_LEN); efx_rc_t rc; - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_VADAPTOR_FREE; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_VADAPTOR_FREE_IN_LEN; @@ -245,14 +298,12 @@ efx_mcdi_get_mac_address_pf( __out_ecount_opt(6) uint8_t mac_addrp[6]) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_GET_MAC_ADDRESSES_IN_LEN, - MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_MAC_ADDRESSES_IN_LEN, + MC_CMD_GET_MAC_ADDRESSES_OUT_LEN); efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_MAC_ADDRESSES; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_MAC_ADDRESSES_IN_LEN; @@ -303,14 +354,12 @@ efx_mcdi_get_mac_address_vf( __out_ecount_opt(6) uint8_t mac_addrp[6]) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN, - MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN, + MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX); efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_VPORT_GET_MAC_ADDRESSES; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN; @@ -367,14 +416,12 @@ efx_mcdi_get_clock( __out uint32_t *dpcpu_freqp) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_GET_CLOCK_IN_LEN, - MC_CMD_GET_CLOCK_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_CLOCK_IN_LEN, + MC_CMD_GET_CLOCK_OUT_LEN); efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_CLOCK; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_CLOCK_IN_LEN; @@ -415,6 +462,63 @@ fail2: fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); +} + + __checkReturn efx_rc_t +efx_mcdi_get_rxdp_config( + __in efx_nic_t *enp, + __out uint32_t *end_paddingp) +{ + efx_mcdi_req_t req; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_RXDP_CONFIG_IN_LEN, + MC_CMD_GET_RXDP_CONFIG_OUT_LEN); + uint32_t end_padding; + efx_rc_t rc; + + req.emr_cmd = MC_CMD_GET_RXDP_CONFIG; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_RXDP_CONFIG_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_RXDP_CONFIG_OUT_LEN; + + efx_mcdi_execute(enp, &req); + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA, + GET_RXDP_CONFIG_OUT_PAD_HOST_DMA) == 0) { + /* RX DMA end padding is disabled */ + end_padding = 0; + } else { + switch (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA, + GET_RXDP_CONFIG_OUT_PAD_HOST_LEN)) { + case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_64: + end_padding = 64; + break; + case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_128: + end_padding = 128; + break; + case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_256: + end_padding = 256; + break; + default: + rc = ENOTSUP; + goto fail2; + } + } + + *end_paddingp = end_padding; + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); } @@ -426,11 +530,10 @@ efx_mcdi_get_vector_cfg( __out_opt uint32_t *vf_nvecp) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_GET_VECTOR_CFG_IN_LEN, - MC_CMD_GET_VECTOR_CFG_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_VECTOR_CFG_IN_LEN, + MC_CMD_GET_VECTOR_CFG_OUT_LEN); efx_rc_t rc; - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_VECTOR_CFG; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_VECTOR_CFG_IN_LEN; @@ -476,8 +579,8 @@ efx_mcdi_alloc_vis( __out uint32_t *vi_shiftp) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_ALLOC_VIS_IN_LEN, - MC_CMD_ALLOC_VIS_EXT_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_ALLOC_VIS_IN_LEN, + MC_CMD_ALLOC_VIS_EXT_OUT_LEN); efx_rc_t rc; if (vi_countp == NULL) { @@ -485,7 +588,6 @@ efx_mcdi_alloc_vis( goto fail1; } - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_ALLOC_VIS; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_ALLOC_VIS_IN_LEN; @@ -568,8 +670,8 @@ efx_mcdi_alloc_piobuf( __out efx_piobuf_handle_t *handlep) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_ALLOC_PIOBUF_IN_LEN, - MC_CMD_ALLOC_PIOBUF_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_ALLOC_PIOBUF_IN_LEN, + MC_CMD_ALLOC_PIOBUF_OUT_LEN); efx_rc_t rc; if (handlep == NULL) { @@ -577,7 +679,6 @@ efx_mcdi_alloc_piobuf( goto fail1; } - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_ALLOC_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_ALLOC_PIOBUF_IN_LEN; @@ -616,11 +717,10 @@ efx_mcdi_free_piobuf( __in efx_piobuf_handle_t handle) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_FREE_PIOBUF_IN_LEN, - MC_CMD_FREE_PIOBUF_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_FREE_PIOBUF_IN_LEN, + MC_CMD_FREE_PIOBUF_OUT_LEN); efx_rc_t rc; - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_FREE_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_FREE_PIOBUF_IN_LEN; @@ -651,11 +751,10 @@ efx_mcdi_link_piobuf( __in efx_piobuf_handle_t handle) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_LINK_PIOBUF_IN_LEN, - MC_CMD_LINK_PIOBUF_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_LINK_PIOBUF_IN_LEN, + MC_CMD_LINK_PIOBUF_OUT_LEN); efx_rc_t rc; - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_LINK_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_LINK_PIOBUF_IN_LEN; @@ -686,11 +785,10 @@ efx_mcdi_unlink_piobuf( __in uint32_t vi_index) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_UNLINK_PIOBUF_IN_LEN, - MC_CMD_UNLINK_PIOBUF_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_UNLINK_PIOBUF_IN_LEN, + MC_CMD_UNLINK_PIOBUF_OUT_LEN); efx_rc_t rc; - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_UNLINK_PIOBUF; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_UNLINK_PIOBUF_IN_LEN; @@ -743,7 +841,7 @@ fail1: for (i = 0; i < enp->en_arch.ef10.ena_piobuf_count; i++) { handlep = &enp->en_arch.ef10.ena_piobuf_handle[i]; - efx_mcdi_free_piobuf(enp, *handlep); + (void) efx_mcdi_free_piobuf(enp, *handlep); *handlep = EFX_PIOBUF_HANDLE_INVALID; } enp->en_arch.ef10.ena_piobuf_count = 0; @@ -760,7 +858,7 @@ ef10_nic_free_piobufs( for (i = 0; i < enp->en_arch.ef10.ena_piobuf_count; i++) { handlep = &enp->en_arch.ef10.ena_piobuf_handle[i]; - efx_mcdi_free_piobuf(enp, *handlep); + (void) efx_mcdi_free_piobuf(enp, *handlep); *handlep = EFX_PIOBUF_HANDLE_INVALID; } enp->en_arch.ef10.ena_piobuf_count = 0; @@ -782,8 +880,7 @@ ef10_nic_pio_alloc( uint32_t buf, blk; efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); EFSYS_ASSERT(bufnump); EFSYS_ASSERT(handlep); EFSYS_ASSERT(blknump); @@ -887,11 +984,10 @@ ef10_mcdi_get_pf_count( __out uint32_t *pf_countp) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_GET_PF_COUNT_IN_LEN, - MC_CMD_GET_PF_COUNT_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_PF_COUNT_IN_LEN, + MC_CMD_GET_PF_COUNT_OUT_LEN); efx_rc_t rc; - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_GET_PF_COUNT; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_GET_PF_COUNT_IN_LEN; @@ -925,62 +1021,110 @@ fail1: return (rc); } - __checkReturn efx_rc_t +static __checkReturn efx_rc_t ef10_get_datapath_caps( __in efx_nic_t *enp) { efx_nic_cfg_t *encp = &(enp->en_nic_cfg); - uint32_t flags; - uint32_t flags2; - uint32_t tso2nc; + efx_mcdi_req_t req; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_CAPABILITIES_IN_LEN, + MC_CMD_GET_CAPABILITIES_V5_OUT_LEN); efx_rc_t rc; - if ((rc = efx_mcdi_get_capabilities(enp, &flags, NULL, NULL, - &flags2, &tso2nc)) != 0) - goto fail1; - if ((rc = ef10_mcdi_get_pf_count(enp, &encp->enc_hw_pf_count)) != 0) goto fail1; -#define CAP_FLAG(flags1, field) \ - ((flags1) & (1 << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## field ## _LBN))) -#define CAP_FLAG2(flags2, field) \ - ((flags2) & (1 << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## field ## _LBN))) + req.emr_cmd = MC_CMD_GET_CAPABILITIES; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_CAPABILITIES_V5_OUT_LEN; + + efx_mcdi_execute_quiet(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail2; + } + + if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_OUT_LEN) { + rc = EMSGSIZE; + goto fail3; + } + +#define CAP_FLAGS1(_req, _flag) \ + (MCDI_OUT_DWORD((_req), GET_CAPABILITIES_OUT_FLAGS1) & \ + (1u << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## _flag ## _LBN))) + +#define CAP_FLAGS2(_req, _flag) \ + (((_req).emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V2_OUT_LEN) && \ + (MCDI_OUT_DWORD((_req), GET_CAPABILITIES_V2_OUT_FLAGS2) & \ + (1u << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## _flag ## _LBN)))) /* * Huntington RXDP firmware inserts a 0 or 14 byte prefix. * We only support the 14 byte prefix here. */ - if (CAP_FLAG(flags, RX_PREFIX_LEN_14) == 0) { + if (CAP_FLAGS1(req, RX_PREFIX_LEN_14) == 0) { rc = ENOTSUP; - goto fail2; + goto fail4; } encp->enc_rx_prefix_size = 14; +#if EFSYS_OPT_RX_SCALE + /* Check if the firmware supports additional RSS modes */ + if (CAP_FLAGS1(req, ADDITIONAL_RSS_MODES)) + encp->enc_rx_scale_additional_modes_supported = B_TRUE; + else + encp->enc_rx_scale_additional_modes_supported = B_FALSE; +#endif /* EFSYS_OPT_RX_SCALE */ + /* Check if the firmware supports TSO */ - encp->enc_fw_assisted_tso_enabled = - CAP_FLAG(flags, TX_TSO) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, TX_TSO)) + encp->enc_fw_assisted_tso_enabled = B_TRUE; + else + encp->enc_fw_assisted_tso_enabled = B_FALSE; /* Check if the firmware supports FATSOv2 */ - encp->enc_fw_assisted_tso_v2_enabled = - CAP_FLAG2(flags2, TX_TSO_V2) ? B_TRUE : B_FALSE; + if (CAP_FLAGS2(req, TX_TSO_V2)) { + encp->enc_fw_assisted_tso_v2_enabled = B_TRUE; + encp->enc_fw_assisted_tso_v2_n_contexts = MCDI_OUT_WORD(req, + GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS); + } else { + encp->enc_fw_assisted_tso_v2_enabled = B_FALSE; + encp->enc_fw_assisted_tso_v2_n_contexts = 0; + } - /* Get the number of TSO contexts (FATSOv2) */ - encp->enc_fw_assisted_tso_v2_n_contexts = - CAP_FLAG2(flags2, TX_TSO_V2) ? tso2nc : 0; + /* Check if the firmware supports FATSOv2 encap */ + if (CAP_FLAGS2(req, TX_TSO_V2_ENCAP)) + encp->enc_fw_assisted_tso_v2_encap_enabled = B_TRUE; + else + encp->enc_fw_assisted_tso_v2_encap_enabled = B_FALSE; /* Check if the firmware has vadapter/vport/vswitch support */ - encp->enc_datapath_cap_evb = - CAP_FLAG(flags, EVB) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, EVB)) + encp->enc_datapath_cap_evb = B_TRUE; + else + encp->enc_datapath_cap_evb = B_FALSE; + + /* Check if the firmware supports vport reconfiguration */ + if (CAP_FLAGS1(req, VPORT_RECONFIGURE)) + encp->enc_vport_reconfigure_supported = B_TRUE; + else + encp->enc_vport_reconfigure_supported = B_FALSE; /* Check if the firmware supports VLAN insertion */ - encp->enc_hw_tx_insert_vlan_enabled = - CAP_FLAG(flags, TX_VLAN_INSERTION) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, TX_VLAN_INSERTION)) + encp->enc_hw_tx_insert_vlan_enabled = B_TRUE; + else + encp->enc_hw_tx_insert_vlan_enabled = B_FALSE; /* Check if the firmware supports RX event batching */ - encp->enc_rx_batching_enabled = - CAP_FLAG(flags, RX_BATCHING) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, RX_BATCHING)) + encp->enc_rx_batching_enabled = B_TRUE; + else + encp->enc_rx_batching_enabled = B_FALSE; /* * Even if batching isn't reported as supported, we may still get @@ -989,38 +1133,79 @@ ef10_get_datapath_caps( encp->enc_rx_batch_max = 16; /* Check if the firmware supports disabling scatter on RXQs */ - encp->enc_rx_disable_scatter_supported = - CAP_FLAG(flags, RX_DISABLE_SCATTER) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, RX_DISABLE_SCATTER)) + encp->enc_rx_disable_scatter_supported = B_TRUE; + else + encp->enc_rx_disable_scatter_supported = B_FALSE; /* Check if the firmware supports packed stream mode */ - encp->enc_rx_packed_stream_supported = - CAP_FLAG(flags, RX_PACKED_STREAM) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, RX_PACKED_STREAM)) + encp->enc_rx_packed_stream_supported = B_TRUE; + else + encp->enc_rx_packed_stream_supported = B_FALSE; /* * Check if the firmware supports configurable buffer sizes * for packed stream mode (otherwise buffer size is 1Mbyte) */ - encp->enc_rx_var_packed_stream_supported = - CAP_FLAG(flags, RX_PACKED_STREAM_VAR_BUFFERS) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, RX_PACKED_STREAM_VAR_BUFFERS)) + encp->enc_rx_var_packed_stream_supported = B_TRUE; + else + encp->enc_rx_var_packed_stream_supported = B_FALSE; + + /* Check if the firmware supports equal stride super-buffer mode */ + if (CAP_FLAGS2(req, EQUAL_STRIDE_SUPER_BUFFER)) + encp->enc_rx_es_super_buffer_supported = B_TRUE; + else + encp->enc_rx_es_super_buffer_supported = B_FALSE; + + /* Check if the firmware supports FW subvariant w/o Tx checksumming */ + if (CAP_FLAGS2(req, FW_SUBVARIANT_NO_TX_CSUM)) + encp->enc_fw_subvariant_no_tx_csum_supported = B_TRUE; + else + encp->enc_fw_subvariant_no_tx_csum_supported = B_FALSE; /* Check if the firmware supports set mac with running filters */ - encp->enc_allow_set_mac_with_installed_filters = - CAP_FLAG(flags, VADAPTOR_PERMIT_SET_MAC_WHEN_FILTERS_INSTALLED) ? - B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, VADAPTOR_PERMIT_SET_MAC_WHEN_FILTERS_INSTALLED)) + encp->enc_allow_set_mac_with_installed_filters = B_TRUE; + else + encp->enc_allow_set_mac_with_installed_filters = B_FALSE; /* * Check if firmware supports the extended MC_CMD_SET_MAC, which allows * specifying which parameters to configure. */ - encp->enc_enhanced_set_mac_supported = - CAP_FLAG(flags, SET_MAC_ENHANCED) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, SET_MAC_ENHANCED)) + encp->enc_enhanced_set_mac_supported = B_TRUE; + else + encp->enc_enhanced_set_mac_supported = B_FALSE; /* * Check if firmware supports version 2 of MC_CMD_INIT_EVQ, which allows * us to let the firmware choose the settings to use on an EVQ. */ - encp->enc_init_evq_v2_supported = - CAP_FLAG2(flags2, INIT_EVQ_V2) ? B_TRUE : B_FALSE; + if (CAP_FLAGS2(req, INIT_EVQ_V2)) + encp->enc_init_evq_v2_supported = B_TRUE; + else + encp->enc_init_evq_v2_supported = B_FALSE; + + /* + * Check if the NO_CONT_EV mode for RX events is supported. + */ + if (CAP_FLAGS2(req, INIT_RXQ_NO_CONT_EV)) + encp->enc_no_cont_ev_mode_supported = B_TRUE; + else + encp->enc_no_cont_ev_mode_supported = B_FALSE; + + /* + * Check if buffer size may and must be specified on INIT_RXQ. + * It may be always specified to efx_rx_qcreate(), but will be + * just kept libefx internal if MCDI does not support it. + */ + if (CAP_FLAGS2(req, INIT_RXQ_WITH_BUFFER_SIZE)) + encp->enc_init_rxq_with_buffer_size = B_TRUE; + else + encp->enc_init_rxq_with_buffer_size = B_FALSE; /* * Check if firmware-verified NVRAM updates must be used. @@ -1030,29 +1215,47 @@ ef10_get_datapath_caps( * and version 2 of MC_CMD_NVRAM_UPDATE_FINISH (to verify the updated * partition and report the result). */ - encp->enc_nvram_update_verify_result_supported = - CAP_FLAG2(flags2, NVRAM_UPDATE_REPORT_VERIFY_RESULT) ? - B_TRUE : B_FALSE; + if (CAP_FLAGS2(req, NVRAM_UPDATE_REPORT_VERIFY_RESULT)) + encp->enc_nvram_update_verify_result_supported = B_TRUE; + else + encp->enc_nvram_update_verify_result_supported = B_FALSE; + + if (CAP_FLAGS2(req, NVRAM_UPDATE_POLL_VERIFY_RESULT)) + encp->enc_nvram_update_poll_verify_result_supported = B_TRUE; + else + encp->enc_nvram_update_poll_verify_result_supported = B_FALSE; + + /* + * Check if firmware update via the BUNDLE partition is supported + */ + if (CAP_FLAGS2(req, BUNDLE_UPDATE)) + encp->enc_nvram_bundle_update_supported = B_TRUE; + else + encp->enc_nvram_bundle_update_supported = B_FALSE; /* * Check if firmware provides packet memory and Rx datapath * counters. */ - encp->enc_pm_and_rxdp_counters = - CAP_FLAG(flags, PM_AND_RXDP_COUNTERS) ? B_TRUE : B_FALSE; + if (CAP_FLAGS1(req, PM_AND_RXDP_COUNTERS)) + encp->enc_pm_and_rxdp_counters = B_TRUE; + else + encp->enc_pm_and_rxdp_counters = B_FALSE; /* * Check if the 40G MAC hardware is capable of reporting * statistics for Tx size bins. */ - encp->enc_mac_stats_40g_tx_size_bins = - CAP_FLAG2(flags2, MAC_STATS_40G_TX_SIZE_BINS) ? B_TRUE : B_FALSE; + if (CAP_FLAGS2(req, MAC_STATS_40G_TX_SIZE_BINS)) + encp->enc_mac_stats_40g_tx_size_bins = B_TRUE; + else + encp->enc_mac_stats_40g_tx_size_bins = B_FALSE; /* * Check if firmware supports VXLAN and NVGRE tunnels. * The capability indicates Geneve protocol support as well. */ - if (CAP_FLAG(flags, VXLAN_NVGRE)) { + if (CAP_FLAGS1(req, VXLAN_NVGRE)) { encp->enc_tunnel_encapsulations_supported = (1u << EFX_TUNNEL_PROTOCOL_VXLAN) | (1u << EFX_TUNNEL_PROTOCOL_GENEVE) | @@ -1066,11 +1269,141 @@ ef10_get_datapath_caps( encp->enc_tunnel_config_udp_entries_max = 0; } -#undef CAP_FLAG -#undef CAP_FLAG2 + /* + * Check if firmware reports the VI window mode. + * Medford2 has a variable VI window size (8K, 16K or 64K). + * Medford and Huntington have a fixed 8K VI window size. + */ + if (req.emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V3_OUT_LEN) { + uint8_t mode = + MCDI_OUT_BYTE(req, GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE); + + switch (mode) { + case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_8K: + encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_8K; + break; + case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_16K: + encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_16K; + break; + case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_64K: + encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_64K; + break; + default: + encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_INVALID; + break; + } + } else if ((enp->en_family == EFX_FAMILY_HUNTINGTON) || + (enp->en_family == EFX_FAMILY_MEDFORD)) { + /* Huntington and Medford have fixed 8K window size */ + encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_8K; + } else { + encp->enc_vi_window_shift = EFX_VI_WINDOW_SHIFT_INVALID; + } + + /* Check if firmware supports extended MAC stats. */ + if (req.emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V4_OUT_LEN) { + /* Extended stats buffer supported */ + encp->enc_mac_stats_nstats = MCDI_OUT_WORD(req, + GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS); + } else { + /* Use Siena-compatible legacy MAC stats */ + encp->enc_mac_stats_nstats = MC_CMD_MAC_NSTATS; + } + + if (encp->enc_mac_stats_nstats >= MC_CMD_MAC_NSTATS_V2) + encp->enc_fec_counters = B_TRUE; + else + encp->enc_fec_counters = B_FALSE; + + /* Check if the firmware provides head-of-line blocking counters */ + if (CAP_FLAGS2(req, RXDP_HLB_IDLE)) + encp->enc_hlb_counters = B_TRUE; + else + encp->enc_hlb_counters = B_FALSE; + +#if EFSYS_OPT_RX_SCALE + if (CAP_FLAGS1(req, RX_RSS_LIMITED)) { + /* Only one exclusive RSS context is available per port. */ + encp->enc_rx_scale_max_exclusive_contexts = 1; + + switch (enp->en_family) { + case EFX_FAMILY_MEDFORD2: + encp->enc_rx_scale_hash_alg_mask = + (1U << EFX_RX_HASHALG_TOEPLITZ); + break; + + case EFX_FAMILY_MEDFORD: + case EFX_FAMILY_HUNTINGTON: + /* + * Packed stream firmware variant maintains a + * non-standard algorithm for hash computation. + * It implies explicit XORing together + * source + destination IP addresses (or last + * four bytes in the case of IPv6) and using the + * resulting value as the input to a Toeplitz hash. + */ + encp->enc_rx_scale_hash_alg_mask = + (1U << EFX_RX_HASHALG_PACKED_STREAM); + break; + + default: + rc = EINVAL; + goto fail5; + } + + /* Port numbers cannot contribute to the hash value */ + encp->enc_rx_scale_l4_hash_supported = B_FALSE; + } else { + /* + * Maximum number of exclusive RSS contexts. + * EF10 hardware supports 64 in total, but 6 are reserved + * for shared contexts. They are a global resource so + * not all may be available. + */ + encp->enc_rx_scale_max_exclusive_contexts = 64 - 6; + + encp->enc_rx_scale_hash_alg_mask = + (1U << EFX_RX_HASHALG_TOEPLITZ); + + /* + * It is possible to use port numbers as + * the input data for hash computation. + */ + encp->enc_rx_scale_l4_hash_supported = B_TRUE; + } +#endif /* EFSYS_OPT_RX_SCALE */ + + /* Check if the firmware supports "FLAG" and "MARK" filter actions */ + if (CAP_FLAGS2(req, FILTER_ACTION_FLAG)) + encp->enc_filter_action_flag_supported = B_TRUE; + else + encp->enc_filter_action_flag_supported = B_FALSE; + + if (CAP_FLAGS2(req, FILTER_ACTION_MARK)) + encp->enc_filter_action_mark_supported = B_TRUE; + else + encp->enc_filter_action_mark_supported = B_FALSE; + + /* Get maximum supported value for "MARK" filter action */ + if (req.emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V5_OUT_LEN) + encp->enc_filter_action_mark_max = MCDI_OUT_DWORD(req, + GET_CAPABILITIES_V5_OUT_FILTER_ACTION_MARK_MAX); + else + encp->enc_filter_action_mark_max = 0; + +#undef CAP_FLAGS1 +#undef CAP_FLAGS2 return (0); +#if EFSYS_OPT_RX_SCALE +fail5: + EFSYS_PROBE(fail5); +#endif /* EFSYS_OPT_RX_SCALE */ +fail4: + EFSYS_PROBE(fail4); +fail3: + EFSYS_PROBE(fail3); fail2: EFSYS_PROBE(fail2); fail1: @@ -1131,79 +1464,224 @@ fail1: } +#define EFX_EXT_PORT_MAX 4 +#define EFX_EXT_PORT_NA 0xFF + /* - * Table of mapping schemes from port number to the number of the external - * connector on the board. The external numbering does not distinguish - * off-board separated outputs such as from multi-headed cables. + * Table of mapping schemes from port number to external number. + * + * Each port number ultimately corresponds to a connector: either as part of + * a cable assembly attached to a module inserted in an SFP+/QSFP+ cage on + * the board, or fixed to the board (e.g. 10GBASE-T magjack on SFN5121T + * "Salina"). In general: * - * The count of adjacent port numbers that map to each external port - * and the offset in the numbering, is determined by the chip family and - * current port mode. + * Port number (0-based) + * | + * port mapping (n:1) + * | + * v + * External port number (1-based) + * | + * fixed (1:1) or cable assembly (1:m) + * | + * v + * Connector + * + * The external numbering refers to the cages or magjacks on the board, + * as visibly annotated on the board or back panel. This table describes + * how to determine which external cage/magjack corresponds to the port + * numbers used by the driver. + * + * The count of consecutive port numbers that map to each external number, + * is determined by the chip family and the current port mode. * * For the Huntington family, the current port mode cannot be discovered, + * but a single mapping is used by all modes for a given chip variant, * so the mapping used is instead the last match in the table to the full * set of port modes to which the NIC can be configured. Therefore the * ordering of entries in the mapping table is significant. */ -static struct { +static struct ef10_external_port_map_s { efx_family_t family; uint32_t modes_mask; - int32_t count; - int32_t offset; + uint8_t base_port[EFX_EXT_PORT_MAX]; } __ef10_external_port_mappings[] = { - /* Supported modes with 1 output per external port */ + /* + * Modes used by Huntington family controllers where each port + * number maps to a separate cage. + * SFN7x22F (Torino): + * port 0 -> cage 1 + * port 1 -> cage 2 + * SFN7xx4F (Pavia): + * port 0 -> cage 1 + * port 1 -> cage 2 + * port 2 -> cage 3 + * port 3 -> cage 4 + */ { EFX_FAMILY_HUNTINGTON, - (1 << TLV_PORT_MODE_10G) | - (1 << TLV_PORT_MODE_10G_10G) | - (1 << TLV_PORT_MODE_10G_10G_10G_10G), - 1, - 1 + (1U << TLV_PORT_MODE_10G) | /* mode 0 */ + (1U << TLV_PORT_MODE_10G_10G) | /* mode 2 */ + (1U << TLV_PORT_MODE_10G_10G_10G_10G), /* mode 4 */ + { 0, 1, 2, 3 } }, + /* + * Modes which for Huntington identify a chip variant where 2 + * adjacent port numbers map to each cage. + * SFN7x42Q (Monza): + * port 0 -> cage 1 + * port 1 -> cage 1 + * port 2 -> cage 2 + * port 3 -> cage 2 + */ { - EFX_FAMILY_MEDFORD, - (1 << TLV_PORT_MODE_10G) | - (1 << TLV_PORT_MODE_10G_10G), - 1, - 1 + EFX_FAMILY_HUNTINGTON, + (1U << TLV_PORT_MODE_40G) | /* mode 1 */ + (1U << TLV_PORT_MODE_40G_40G) | /* mode 3 */ + (1U << TLV_PORT_MODE_40G_10G_10G) | /* mode 6 */ + (1U << TLV_PORT_MODE_10G_10G_40G), /* mode 7 */ + { 0, 2, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } }, - /* Supported modes with 2 outputs per external port */ + /* + * Modes that on Medford allocate each port number to a separate + * cage. + * port 0 -> cage 1 + * port 1 -> cage 2 + * port 2 -> cage 3 + * port 3 -> cage 4 + */ { - EFX_FAMILY_HUNTINGTON, - (1 << TLV_PORT_MODE_40G) | - (1 << TLV_PORT_MODE_40G_40G) | - (1 << TLV_PORT_MODE_40G_10G_10G) | - (1 << TLV_PORT_MODE_10G_10G_40G), - 2, - 1 + EFX_FAMILY_MEDFORD, + (1U << TLV_PORT_MODE_1x1_NA) | /* mode 0 */ + (1U << TLV_PORT_MODE_1x4_NA) | /* mode 1 */ + (1U << TLV_PORT_MODE_1x1_1x1), /* mode 2 */ + { 0, 1, 2, 3 } }, + /* + * Modes that on Medford allocate 2 adjacent port numbers to each + * cage. + * port 0 -> cage 1 + * port 1 -> cage 1 + * port 2 -> cage 2 + * port 3 -> cage 2 + */ { EFX_FAMILY_MEDFORD, - (1 << TLV_PORT_MODE_40G) | - (1 << TLV_PORT_MODE_40G_40G) | - (1 << TLV_PORT_MODE_40G_10G_10G) | - (1 << TLV_PORT_MODE_10G_10G_40G) | - (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q1_Q2), - 2, - 1 + (1U << TLV_PORT_MODE_1x4_1x4) | /* mode 3 */ + (1U << TLV_PORT_MODE_2x1_2x1) | /* mode 5 */ + (1U << TLV_PORT_MODE_1x4_2x1) | /* mode 6 */ + (1U << TLV_PORT_MODE_2x1_1x4) | /* mode 7 */ + /* Do not use 10G_10G_10G_10G_Q1_Q2 (see bug63270) */ + (1U << TLV_PORT_MODE_10G_10G_10G_10G_Q1_Q2), /* mode 9 */ + { 0, 2, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } }, - /* Supported modes with 4 outputs per external port */ + /* + * Modes that on Medford allocate 4 adjacent port numbers to + * cage 1. + * port 0 -> cage 1 + * port 1 -> cage 1 + * port 2 -> cage 1 + * port 3 -> cage 1 + */ { EFX_FAMILY_MEDFORD, - (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q) | - (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q1), - 4, - 1, + /* Do not use 10G_10G_10G_10G_Q1 (see bug63270) */ + (1U << TLV_PORT_MODE_4x1_NA), /* mode 4 */ + { 0, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } }, + /* + * Modes that on Medford allocate 4 adjacent port numbers to + * cage 2. + * port 0 -> cage 2 + * port 1 -> cage 2 + * port 2 -> cage 2 + * port 3 -> cage 2 + */ { EFX_FAMILY_MEDFORD, - (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q2), - 4, - 2 + (1U << TLV_PORT_MODE_NA_4x1), /* mode 8 */ + { EFX_EXT_PORT_NA, 0, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } + }, + /* + * Modes that on Medford2 allocate each port number to a separate + * cage. + * port 0 -> cage 1 + * port 1 -> cage 2 + * port 2 -> cage 3 + * port 3 -> cage 4 + */ + { + EFX_FAMILY_MEDFORD2, + (1U << TLV_PORT_MODE_1x1_NA) | /* mode 0 */ + (1U << TLV_PORT_MODE_1x4_NA) | /* mode 1 */ + (1U << TLV_PORT_MODE_1x1_1x1) | /* mode 2 */ + (1U << TLV_PORT_MODE_1x4_1x4) | /* mode 3 */ + (1U << TLV_PORT_MODE_1x2_NA) | /* mode 10 */ + (1U << TLV_PORT_MODE_1x2_1x2) | /* mode 12 */ + (1U << TLV_PORT_MODE_1x4_1x2) | /* mode 15 */ + (1U << TLV_PORT_MODE_1x2_1x4), /* mode 16 */ + { 0, 1, 2, 3 } + }, + /* + * Modes that on Medford2 allocate 1 port to cage 1 and the rest + * to cage 2. + * port 0 -> cage 1 + * port 1 -> cage 2 + * port 2 -> cage 2 + */ + { + EFX_FAMILY_MEDFORD2, + (1U << TLV_PORT_MODE_1x2_2x1) | /* mode 17 */ + (1U << TLV_PORT_MODE_1x4_2x1), /* mode 6 */ + { 0, 1, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } + }, + /* + * Modes that on Medford2 allocate 2 adjacent port numbers to cage 1 + * and the rest to cage 2. + * port 0 -> cage 1 + * port 1 -> cage 1 + * port 2 -> cage 2 + * port 3 -> cage 2 + */ + { + EFX_FAMILY_MEDFORD2, + (1U << TLV_PORT_MODE_2x1_2x1) | /* mode 4 */ + (1U << TLV_PORT_MODE_2x1_1x4) | /* mode 7 */ + (1U << TLV_PORT_MODE_2x2_NA) | /* mode 13 */ + (1U << TLV_PORT_MODE_2x1_1x2), /* mode 18 */ + { 0, 2, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } + }, + /* + * Modes that on Medford2 allocate up to 4 adjacent port numbers + * to cage 1. + * port 0 -> cage 1 + * port 1 -> cage 1 + * port 2 -> cage 1 + * port 3 -> cage 1 + */ + { + EFX_FAMILY_MEDFORD2, + (1U << TLV_PORT_MODE_4x1_NA), /* mode 5 */ + { 0, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } + }, + /* + * Modes that on Medford2 allocate up to 4 adjacent port numbers + * to cage 2. + * port 0 -> cage 2 + * port 1 -> cage 2 + * port 2 -> cage 2 + * port 3 -> cage 2 + */ + { + EFX_FAMILY_MEDFORD2, + (1U << TLV_PORT_MODE_NA_4x1) | /* mode 8 */ + (1U << TLV_PORT_MODE_NA_1x2) | /* mode 11 */ + (1U << TLV_PORT_MODE_NA_2x2), /* mode 14 */ + { EFX_EXT_PORT_NA, 0, EFX_EXT_PORT_NA, EFX_EXT_PORT_NA } }, }; - __checkReturn efx_rc_t +static __checkReturn efx_rc_t ef10_external_port_mapping( __in efx_nic_t *enp, __in uint32_t port, @@ -1214,16 +1692,17 @@ ef10_external_port_mapping( uint32_t port_modes; uint32_t matches; uint32_t current; - int32_t count = 1; /* Default 1-1 mapping */ - int32_t offset = 1; /* Default starting external port number */ + struct ef10_external_port_map_s *mapp = NULL; + int ext_index = port; /* Default 1-1 mapping */ - if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, ¤t)) != 0) { + if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, ¤t, + NULL)) != 0) { /* - * No current port mode information + * No current port mode information (i.e. Huntington) * - infer mapping from available modes */ if ((rc = efx_mcdi_get_port_modes(enp, - &port_modes, NULL)) != 0) { + &port_modes, NULL, NULL)) != 0) { /* * No port mode information available * - use default mapping @@ -1236,18 +1715,22 @@ ef10_external_port_mapping( } /* - * Infer the internal port -> external port mapping from + * Infer the internal port -> external number mapping from * the possible port modes for this NIC. */ for (i = 0; i < EFX_ARRAY_SIZE(__ef10_external_port_mappings); ++i) { - if (__ef10_external_port_mappings[i].family != - enp->en_family) + struct ef10_external_port_map_s *eepmp = + &__ef10_external_port_mappings[i]; + if (eepmp->family != enp->en_family) continue; - matches = (__ef10_external_port_mappings[i].modes_mask & - port_modes); + matches = (eepmp->modes_mask & port_modes); if (matches != 0) { - count = __ef10_external_port_mappings[i].count; - offset = __ef10_external_port_mappings[i].offset; + /* + * Some modes match. For some Huntington boards + * there will be multiple matches. The mapping on the + * last match is used. + */ + mapp = eepmp; port_modes &= ~matches; } } @@ -1259,11 +1742,75 @@ ef10_external_port_mapping( } out: + if (mapp != NULL) { + /* + * External ports are assigned a sequence of consecutive + * port numbers, so find the one with the closest base_port. + */ + uint32_t delta = EFX_EXT_PORT_NA; + + for (i = 0; i < EFX_EXT_PORT_MAX; i++) { + uint32_t base = mapp->base_port[i]; + if ((base != EFX_EXT_PORT_NA) && (base <= port)) { + if ((port - base) < delta) { + delta = (port - base); + ext_index = i; + } + } + } + } + *external_portp = (uint8_t)(ext_index + 1); + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +static __checkReturn efx_rc_t +ef10_set_workaround_bug26807( + __in efx_nic_t *enp) +{ + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + uint32_t flags; + efx_rc_t rc; + /* - * Scale as required by last matched mode and then convert to - * correctly offset numbering + * If the bug26807 workaround is enabled, then firmware has enabled + * support for chained multicast filters. Firmware will reset (FLR) + * functions which have filters in the hardware filter table when the + * workaround is enabled/disabled. + * + * We must recheck if the workaround is enabled after inserting the + * first hardware filter, in case it has been changed since this check. */ - *external_portp = (uint8_t)((port / count) + offset); + rc = efx_mcdi_set_workaround(enp, MC_CMD_WORKAROUND_BUG26807, + B_TRUE, &flags); + if (rc == 0) { + encp->enc_bug26807_workaround = B_TRUE; + if (flags & (1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN)) { + /* + * Other functions had installed filters before the + * workaround was enabled, and they have been reset + * by firmware. + */ + EFSYS_PROBE(bug26807_workaround_flr_done); + /* FIXME: bump MC warm boot count ? */ + } + } else if (rc == EACCES) { + /* + * Unprivileged functions cannot enable the workaround in older + * firmware. + */ + encp->enc_bug26807_workaround = B_FALSE; + } else if ((rc == ENOTSUP) || (rc == ENOENT)) { + encp->enc_bug26807_workaround = B_FALSE; + } else { + goto fail1; + } + return (0); fail1: @@ -1272,18 +1819,213 @@ fail1: return (rc); } +static __checkReturn efx_rc_t +ef10_nic_board_cfg( + __in efx_nic_t *enp) +{ + const efx_nic_ops_t *enop = enp->en_enop; + efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); + efx_nic_cfg_t *encp = &(enp->en_nic_cfg); + ef10_link_state_t els; + efx_port_t *epp = &(enp->en_port); + uint32_t board_type = 0; + uint32_t base, nvec; + uint32_t port; + uint32_t mask; + uint32_t pf; + uint32_t vf; + uint8_t mac_addr[6] = { 0 }; + efx_rc_t rc; + + /* Get the (zero-based) MCDI port number */ + if ((rc = efx_mcdi_get_port_assignment(enp, &port)) != 0) + goto fail1; + + /* EFX MCDI interface uses one-based port numbers */ + emip->emi_port = port + 1; + + encp->enc_assigned_port = port; + + if ((rc = ef10_external_port_mapping(enp, port, + &encp->enc_external_port)) != 0) + goto fail2; + + /* + * Get PCIe function number from firmware (used for + * per-function privilege and dynamic config info). + * - PCIe PF: pf = PF number, vf = 0xffff. + * - PCIe VF: pf = parent PF, vf = VF number. + */ + if ((rc = efx_mcdi_get_function_info(enp, &pf, &vf)) != 0) + goto fail3; + + encp->enc_pf = pf; + encp->enc_vf = vf; + + /* MAC address for this function */ + if (EFX_PCI_FUNCTION_IS_PF(encp)) { + rc = efx_mcdi_get_mac_address_pf(enp, mac_addr); +#if EFSYS_OPT_ALLOW_UNCONFIGURED_NIC + /* + * Disable static config checking, ONLY for manufacturing test + * and setup at the factory, to allow the static config to be + * installed. + */ +#else /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */ + if ((rc == 0) && (mac_addr[0] & 0x02)) { + /* + * If the static config does not include a global MAC + * address pool then the board may return a locally + * administered MAC address (this should only happen on + * incorrectly programmed boards). + */ + rc = EINVAL; + } +#endif /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */ + } else { + rc = efx_mcdi_get_mac_address_vf(enp, mac_addr); + } + if (rc != 0) + goto fail4; + + EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr); + + /* Board configuration (legacy) */ + rc = efx_mcdi_get_board_cfg(enp, &board_type, NULL, NULL); + if (rc != 0) { + /* Unprivileged functions may not be able to read board cfg */ + if (rc == EACCES) + board_type = 0; + else + goto fail5; + } + + encp->enc_board_type = board_type; + encp->enc_clk_mult = 1; /* not used for EF10 */ + + /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */ + if ((rc = efx_mcdi_get_phy_cfg(enp)) != 0) + goto fail6; + + /* + * Firmware with support for *_FEC capability bits does not + * report that the corresponding *_FEC_REQUESTED bits are supported. + * Add them here so that drivers understand that they are supported. + */ + if (epp->ep_phy_cap_mask & (1u << EFX_PHY_CAP_BASER_FEC)) + epp->ep_phy_cap_mask |= + (1u << EFX_PHY_CAP_BASER_FEC_REQUESTED); + if (epp->ep_phy_cap_mask & (1u << EFX_PHY_CAP_RS_FEC)) + epp->ep_phy_cap_mask |= + (1u << EFX_PHY_CAP_RS_FEC_REQUESTED); + if (epp->ep_phy_cap_mask & (1u << EFX_PHY_CAP_25G_BASER_FEC)) + epp->ep_phy_cap_mask |= + (1u << EFX_PHY_CAP_25G_BASER_FEC_REQUESTED); + + /* Obtain the default PHY advertised capabilities */ + if ((rc = ef10_phy_get_link(enp, &els)) != 0) + goto fail7; + epp->ep_default_adv_cap_mask = els.epls.epls_adv_cap_mask; + epp->ep_adv_cap_mask = els.epls.epls_adv_cap_mask; + + /* Check capabilities of running datapath firmware */ + if ((rc = ef10_get_datapath_caps(enp)) != 0) + goto fail8; + + /* Alignment for WPTR updates */ + encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN; + + encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT); + /* No boundary crossing limits */ + encp->enc_tx_dma_desc_boundary = 0; + + /* + * Maximum number of bytes into the frame the TCP header can start for + * firmware assisted TSO to work. + */ + encp->enc_tx_tso_tcp_header_offset_limit = EF10_TCP_HEADER_OFFSET_LIMIT; + + /* + * Set resource limits for MC_CMD_ALLOC_VIS. Note that we cannot use + * MC_CMD_GET_RESOURCE_LIMITS here as that reports the available + * resources (allocated to this PCIe function), which is zero until + * after we have allocated VIs. + */ + encp->enc_evq_limit = 1024; + encp->enc_rxq_limit = EFX_RXQ_LIMIT_TARGET; + encp->enc_txq_limit = EFX_TXQ_LIMIT_TARGET; + + encp->enc_buftbl_limit = UINT32_MAX; + + /* Get interrupt vector limits */ + if ((rc = efx_mcdi_get_vector_cfg(enp, &base, &nvec, NULL)) != 0) { + if (EFX_PCI_FUNCTION_IS_PF(encp)) + goto fail9; + + /* Ignore error (cannot query vector limits from a VF). */ + base = 0; + nvec = 1024; + } + encp->enc_intr_vec_base = base; + encp->enc_intr_limit = nvec; + + /* + * Get the current privilege mask. Note that this may be modified + * dynamically, so this value is informational only. DO NOT use + * the privilege mask to check for sufficient privileges, as that + * can result in time-of-check/time-of-use bugs. + */ + if ((rc = ef10_get_privilege_mask(enp, &mask)) != 0) + goto fail10; + encp->enc_privilege_mask = mask; + + if ((rc = ef10_set_workaround_bug26807(enp)) != 0) + goto fail11; + + /* Get remaining controller-specific board config */ + if ((rc = enop->eno_board_cfg(enp)) != 0) + if (rc != EACCES) + goto fail12; + + return (0); + +fail12: + EFSYS_PROBE(fail12); +fail11: + EFSYS_PROBE(fail11); +fail10: + EFSYS_PROBE(fail10); +fail9: + EFSYS_PROBE(fail9); +fail8: + EFSYS_PROBE(fail8); +fail7: + EFSYS_PROBE(fail7); +fail6: + EFSYS_PROBE(fail6); +fail5: + EFSYS_PROBE(fail5); +fail4: + EFSYS_PROBE(fail4); +fail3: + EFSYS_PROBE(fail3); +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} __checkReturn efx_rc_t ef10_nic_probe( __in efx_nic_t *enp) { - const efx_nic_ops_t *enop = enp->en_enop; efx_nic_cfg_t *encp = &(enp->en_nic_cfg); efx_drv_cfg_t *edcp = &(enp->en_drv_cfg); efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); /* Read and clear any assertion state */ if ((rc = efx_mcdi_read_assertion(enp)) != 0) @@ -1297,9 +2039,8 @@ ef10_nic_probe( if ((rc = efx_mcdi_drv_attach(enp, B_TRUE)) != 0) goto fail3; - if ((rc = enop->eno_board_cfg(enp)) != 0) - if (rc != EACCES) - goto fail4; + if ((rc = ef10_nic_board_cfg(enp)) != 0) + goto fail4; /* * Set default driver config limits (based on board config). @@ -1442,8 +2183,8 @@ ef10_nic_reset( __in efx_nic_t *enp) { efx_mcdi_req_t req; - uint8_t payload[MAX(MC_CMD_ENTITY_RESET_IN_LEN, - MC_CMD_ENTITY_RESET_OUT_LEN)]; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_ENTITY_RESET_IN_LEN, + MC_CMD_ENTITY_RESET_OUT_LEN); efx_rc_t rc; /* ef10_nic_reset() is called to recover from BADASSERT failures. */ @@ -1452,7 +2193,6 @@ ef10_nic_reset( if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0) goto fail2; - (void) memset(payload, 0, sizeof (payload)); req.emr_cmd = MC_CMD_ENTITY_RESET; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_ENTITY_RESET_IN_LEN; @@ -1484,6 +2224,58 @@ fail1: return (rc); } +static __checkReturn efx_rc_t +ef10_upstream_port_vadaptor_alloc( + __in efx_nic_t *enp) +{ + uint32_t retry; + uint32_t delay_us; + efx_rc_t rc; + + /* + * On a VF, this may fail with MC_CMD_ERR_NO_EVB_PORT (ENOENT) if the PF + * driver has yet to bring up the EVB port. See bug 56147. In this case, + * retry the request several times after waiting a while. The wait time + * between retries starts small (10ms) and exponentially increases. + * Total wait time is a little over two seconds. Retry logic in the + * client driver may mean this whole loop is repeated if it continues to + * fail. + */ + retry = 0; + delay_us = 10000; + while ((rc = efx_mcdi_vadaptor_alloc(enp, EVB_PORT_ID_ASSIGNED)) != 0) { + if (EFX_PCI_FUNCTION_IS_PF(&enp->en_nic_cfg) || + (rc != ENOENT)) { + /* + * Do not retry alloc for PF, or for other errors on + * a VF. + */ + goto fail1; + } + + /* VF startup before PF is ready. Retry allocation. */ + if (retry > 5) { + /* Too many attempts */ + rc = EINVAL; + goto fail2; + } + EFSYS_PROBE1(mcdi_no_evb_port_retry, int, retry); + EFSYS_SLEEP(delay_us); + retry++; + if (delay_us < 500000) + delay_us <<= 2; + } + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + __checkReturn efx_rc_t ef10_nic_init( __in efx_nic_t *enp) @@ -1492,12 +2284,13 @@ ef10_nic_init( uint32_t min_vi_count, max_vi_count; uint32_t vi_count, vi_base, vi_shift; uint32_t i; - uint32_t retry; - uint32_t delay_us; + uint32_t vi_window_size; efx_rc_t rc; + boolean_t alloc_vadaptor = B_TRUE; 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); /* Enable reporting of some events (e.g. link change) */ if ((rc = efx_mcdi_log_ctrl(enp)) != 0) @@ -1555,15 +2348,21 @@ ef10_nic_init( enp->en_arch.ef10.ena_pio_write_vi_base = vi_count - enp->en_arch.ef10.ena_piobuf_count; + EFSYS_ASSERT3U(enp->en_nic_cfg.enc_vi_window_shift, !=, + EFX_VI_WINDOW_SHIFT_INVALID); + EFSYS_ASSERT3U(enp->en_nic_cfg.enc_vi_window_shift, <=, + EFX_VI_WINDOW_SHIFT_64K); + vi_window_size = 1U << enp->en_nic_cfg.enc_vi_window_shift; + /* Save UC memory mapping details */ enp->en_arch.ef10.ena_uc_mem_map_offset = 0; if (enp->en_arch.ef10.ena_piobuf_count > 0) { enp->en_arch.ef10.ena_uc_mem_map_size = - (ER_DZ_TX_PIOBUF_STEP * + (vi_window_size * enp->en_arch.ef10.ena_pio_write_vi_base); } else { enp->en_arch.ef10.ena_uc_mem_map_size = - (ER_DZ_TX_PIOBUF_STEP * + (vi_window_size * enp->en_arch.ef10.ena_vi_count); } @@ -1573,7 +2372,7 @@ ef10_nic_init( enp->en_arch.ef10.ena_uc_mem_map_size; enp->en_arch.ef10.ena_wc_mem_map_size = - (ER_DZ_TX_PIOBUF_STEP * + (vi_window_size * enp->en_arch.ef10.ena_piobuf_count); /* Link piobufs to extra VIs in WC mapping */ @@ -1588,48 +2387,29 @@ ef10_nic_init( } /* - * Allocate a vAdaptor attached to our upstream vPort/pPort. - * - * On a VF, this may fail with MC_CMD_ERR_NO_EVB_PORT (ENOENT) if the PF - * driver has yet to bring up the EVB port. See bug 56147. In this case, - * retry the request several times after waiting a while. The wait time - * between retries starts small (10ms) and exponentially increases. - * Total wait time is a little over two seconds. Retry logic in the - * client driver may mean this whole loop is repeated if it continues to - * fail. + * For SR-IOV use case, vAdaptor is allocated for PF and associated VFs + * during NIC initialization when vSwitch is created and vports are + * allocated. Hence, skip vAdaptor allocation for EVB and update vport + * id in NIC structure with the one allocated for PF. */ - retry = 0; - delay_us = 10000; - while ((rc = efx_mcdi_vadaptor_alloc(enp, EVB_PORT_ID_ASSIGNED)) != 0) { - if (EFX_PCI_FUNCTION_IS_PF(&enp->en_nic_cfg) || - (rc != ENOENT)) { - /* - * Do not retry alloc for PF, or for other errors on - * a VF. - */ - goto fail5; - } - - /* VF startup before PF is ready. Retry allocation. */ - if (retry > 5) { - /* Too many attempts */ - rc = EINVAL; - goto fail6; - } - EFSYS_PROBE1(mcdi_no_evb_port_retry, int, retry); - EFSYS_SLEEP(delay_us); - retry++; - if (delay_us < 500000) - delay_us <<= 2; - } enp->en_vport_id = EVB_PORT_ID_ASSIGNED; +#if EFSYS_OPT_EVB + if ((enp->en_vswitchp != NULL) && (enp->en_vswitchp->ev_evcp != NULL)) { + /* For EVB use vport allocated on vswitch */ + enp->en_vport_id = enp->en_vswitchp->ev_evcp->evc_vport_id; + alloc_vadaptor = B_FALSE; + } +#endif + if (alloc_vadaptor != B_FALSE) { + /* Allocate a vAdaptor attached to our upstream vPort/pPort */ + if ((rc = ef10_upstream_port_vadaptor_alloc(enp)) != 0) + goto fail5; + } enp->en_nic_cfg.enc_mcdi_max_payload_length = MCDI_CTL_SDU_LEN_MAX_V2; return (0); -fail6: - EFSYS_PROBE(fail6); fail5: EFSYS_PROBE(fail5); fail4: @@ -1652,8 +2432,7 @@ ef10_nic_get_vi_pool( __in efx_nic_t *enp, __out uint32_t *vi_countp) { - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); /* * Report VIs that the client driver can use. @@ -1673,8 +2452,7 @@ ef10_nic_get_bar_region( { efx_rc_t rc; - EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || - enp->en_family == EFX_FAMILY_MEDFORD); + EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp)); /* * TODO: Specify host memory mapping alignment and granularity @@ -1707,15 +2485,57 @@ fail1: return (rc); } + __checkReturn boolean_t +ef10_nic_hw_unavailable( + __in efx_nic_t *enp) +{ + efx_dword_t dword; + + if (enp->en_reset_flags & EFX_RESET_HW_UNAVAIL) + return (B_TRUE); + + EFX_BAR_READD(enp, ER_DZ_BIU_MC_SFT_STATUS_REG, &dword, B_FALSE); + if (EFX_DWORD_FIELD(dword, EFX_DWORD_0) == 0xffffffff) + goto unavail; + + return (B_FALSE); + +unavail: + ef10_nic_set_hw_unavailable(enp); + + return (B_TRUE); +} + + void +ef10_nic_set_hw_unavailable( + __in efx_nic_t *enp) +{ + EFSYS_PROBE(hw_unavail); + enp->en_reset_flags |= EFX_RESET_HW_UNAVAIL; +} + + void ef10_nic_fini( __in efx_nic_t *enp) { uint32_t i; efx_rc_t rc; + boolean_t do_vadaptor_free = B_TRUE; - (void) efx_mcdi_vadaptor_free(enp, enp->en_vport_id); - enp->en_vport_id = 0; +#if EFSYS_OPT_EVB + if (enp->en_vswitchp != NULL) { + /* + * For SR-IOV the vAdaptor is freed with the vswitch, + * so do not free it here. + */ + do_vadaptor_free = B_FALSE; + } +#endif + if (do_vadaptor_free != B_FALSE) { + (void) efx_mcdi_vadaptor_free(enp, enp->en_vport_id); + enp->en_vport_id = EVB_PORT_ID_NULL; + } /* Unlink piobufs from extra VIs in WC mapping */ if (enp->en_arch.ef10.ena_piobuf_count > 0) { @@ -1770,5 +2590,85 @@ fail1: #endif /* EFSYS_OPT_DIAG */ +#if EFSYS_OPT_FW_SUBVARIANT_AWARE + + __checkReturn efx_rc_t +efx_mcdi_get_nic_global( + __in efx_nic_t *enp, + __in uint32_t key, + __out uint32_t *valuep) +{ + efx_mcdi_req_t req; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_NIC_GLOBAL_IN_LEN, + MC_CMD_GET_NIC_GLOBAL_OUT_LEN); + efx_rc_t rc; + + req.emr_cmd = MC_CMD_GET_NIC_GLOBAL; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_NIC_GLOBAL_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_NIC_GLOBAL_OUT_LEN; + + MCDI_IN_SET_DWORD(req, GET_NIC_GLOBAL_IN_KEY, key); + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used != MC_CMD_GET_NIC_GLOBAL_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + *valuep = MCDI_OUT_DWORD(req, GET_NIC_GLOBAL_OUT_VALUE); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + + __checkReturn efx_rc_t +efx_mcdi_set_nic_global( + __in efx_nic_t *enp, + __in uint32_t key, + __in uint32_t value) +{ + efx_mcdi_req_t req; + EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SET_NIC_GLOBAL_IN_LEN, 0); + efx_rc_t rc; + + req.emr_cmd = MC_CMD_SET_NIC_GLOBAL; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_SET_NIC_GLOBAL_IN_LEN; + req.emr_out_buf = NULL; + req.emr_out_length = 0; + + MCDI_IN_SET_DWORD(req, SET_NIC_GLOBAL_IN_KEY, key); + MCDI_IN_SET_DWORD(req, SET_NIC_GLOBAL_IN_VALUE, value); + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + +#endif /* EFSYS_OPT_FW_SUBVARIANT_AWARE */ -#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */ +#endif /* EFX_OPTS_EF10() */