sfxge(4): refactor EF10 get datapath capabilities
Inline efx_mcdi_get_capabilities() to prepare for reading newer capabilities response versions. Submitted by: Andy Moreton <amoreton at solarflare.com> Sponsored by: Solarflare Communications, Inc. Differential Revision: https://reviews.freebsd.org/D18172
This commit is contained in:
Andrew Rybchenko
parent
2431a6854d
commit
016941e371
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=341058
@ -1021,57 +1021,86 @@ ef10_get_datapath_caps(
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__in efx_nic_t *enp)
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{
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efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
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uint32_t flags;
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uint32_t flags2;
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uint32_t tso2nc;
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efx_mcdi_req_t req;
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uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN,
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MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)];
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efx_rc_t rc;
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if ((rc = efx_mcdi_get_capabilities(enp, &flags, NULL, NULL,
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&flags2, &tso2nc)) != 0)
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goto fail1;
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if ((rc = ef10_mcdi_get_pf_count(enp, &encp->enc_hw_pf_count)) != 0)
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goto fail1;
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#define CAP_FLAG(flags1, field) \
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((flags1) & (1 << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## field ## _LBN)))
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#define CAP_FLAG2(flags2, field) \
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((flags2) & (1 << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## field ## _LBN)))
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(void) memset(payload, 0, sizeof (payload));
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req.emr_cmd = MC_CMD_GET_CAPABILITIES;
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req.emr_in_buf = payload;
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req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN;
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req.emr_out_buf = payload;
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req.emr_out_length = MC_CMD_GET_CAPABILITIES_V2_OUT_LEN;
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efx_mcdi_execute_quiet(enp, &req);
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if (req.emr_rc != 0) {
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rc = req.emr_rc;
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goto fail2;
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}
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if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_OUT_LEN) {
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rc = EMSGSIZE;
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goto fail3;
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}
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#define CAP_FLAGS1(_req, _flag) \
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(MCDI_OUT_DWORD((_req), GET_CAPABILITIES_OUT_FLAGS1) & \
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(1u << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## _flag ## _LBN)))
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#define CAP_FLAGS2(_req, _flag) \
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(((_req).emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V2_OUT_LEN) && \
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(MCDI_OUT_DWORD((_req), GET_CAPABILITIES_V2_OUT_FLAGS2) & \
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(1u << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## _flag ## _LBN))))
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/*
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* Huntington RXDP firmware inserts a 0 or 14 byte prefix.
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* We only support the 14 byte prefix here.
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*/
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if (CAP_FLAG(flags, RX_PREFIX_LEN_14) == 0) {
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if (CAP_FLAGS1(req, RX_PREFIX_LEN_14) == 0) {
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rc = ENOTSUP;
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goto fail2;
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goto fail4;
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}
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encp->enc_rx_prefix_size = 14;
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/* Check if the firmware supports TSO */
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encp->enc_fw_assisted_tso_enabled =
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CAP_FLAG(flags, TX_TSO) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, TX_TSO))
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encp->enc_fw_assisted_tso_enabled = B_TRUE;
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else
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encp->enc_fw_assisted_tso_enabled = B_FALSE;
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/* Check if the firmware supports FATSOv2 */
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encp->enc_fw_assisted_tso_v2_enabled =
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CAP_FLAG2(flags2, TX_TSO_V2) ? B_TRUE : B_FALSE;
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/* Get the number of TSO contexts (FATSOv2) */
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encp->enc_fw_assisted_tso_v2_n_contexts =
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CAP_FLAG2(flags2, TX_TSO_V2) ? tso2nc : 0;
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if (CAP_FLAGS2(req, TX_TSO_V2)) {
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encp->enc_fw_assisted_tso_v2_enabled = B_TRUE;
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encp->enc_fw_assisted_tso_v2_n_contexts = MCDI_OUT_WORD(req,
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GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS);
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} else {
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encp->enc_fw_assisted_tso_v2_enabled = B_FALSE;
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encp->enc_fw_assisted_tso_v2_n_contexts = 0;
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}
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/* Check if the firmware has vadapter/vport/vswitch support */
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encp->enc_datapath_cap_evb =
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CAP_FLAG(flags, EVB) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, EVB))
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encp->enc_datapath_cap_evb = B_TRUE;
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else
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encp->enc_datapath_cap_evb = B_FALSE;
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/* Check if the firmware supports VLAN insertion */
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encp->enc_hw_tx_insert_vlan_enabled =
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CAP_FLAG(flags, TX_VLAN_INSERTION) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, TX_VLAN_INSERTION))
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encp->enc_hw_tx_insert_vlan_enabled = B_TRUE;
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else
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encp->enc_hw_tx_insert_vlan_enabled = B_FALSE;
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/* Check if the firmware supports RX event batching */
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encp->enc_rx_batching_enabled =
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CAP_FLAG(flags, RX_BATCHING) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, RX_BATCHING))
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encp->enc_rx_batching_enabled = B_TRUE;
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else
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encp->enc_rx_batching_enabled = B_FALSE;
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/*
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* Even if batching isn't reported as supported, we may still get
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@ -1080,38 +1109,49 @@ ef10_get_datapath_caps(
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encp->enc_rx_batch_max = 16;
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/* Check if the firmware supports disabling scatter on RXQs */
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encp->enc_rx_disable_scatter_supported =
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CAP_FLAG(flags, RX_DISABLE_SCATTER) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, RX_DISABLE_SCATTER))
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encp->enc_rx_disable_scatter_supported = B_TRUE;
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else
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encp->enc_rx_disable_scatter_supported = B_FALSE;
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/* Check if the firmware supports packed stream mode */
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encp->enc_rx_packed_stream_supported =
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CAP_FLAG(flags, RX_PACKED_STREAM) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, RX_PACKED_STREAM))
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encp->enc_rx_packed_stream_supported = B_TRUE;
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else
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encp->enc_rx_packed_stream_supported = B_FALSE;
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/*
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* Check if the firmware supports configurable buffer sizes
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* for packed stream mode (otherwise buffer size is 1Mbyte)
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*/
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encp->enc_rx_var_packed_stream_supported =
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CAP_FLAG(flags, RX_PACKED_STREAM_VAR_BUFFERS) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, RX_PACKED_STREAM_VAR_BUFFERS))
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encp->enc_rx_var_packed_stream_supported = B_TRUE;
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else
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encp->enc_rx_var_packed_stream_supported = B_FALSE;
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/* Check if the firmware supports set mac with running filters */
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encp->enc_allow_set_mac_with_installed_filters =
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CAP_FLAG(flags, VADAPTOR_PERMIT_SET_MAC_WHEN_FILTERS_INSTALLED) ?
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B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, VADAPTOR_PERMIT_SET_MAC_WHEN_FILTERS_INSTALLED))
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encp->enc_allow_set_mac_with_installed_filters = B_TRUE;
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else
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encp->enc_allow_set_mac_with_installed_filters = B_FALSE;
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/*
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* Check if firmware supports the extended MC_CMD_SET_MAC, which allows
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* specifying which parameters to configure.
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*/
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encp->enc_enhanced_set_mac_supported =
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CAP_FLAG(flags, SET_MAC_ENHANCED) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, SET_MAC_ENHANCED))
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encp->enc_enhanced_set_mac_supported = B_TRUE;
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else
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encp->enc_enhanced_set_mac_supported = B_FALSE;
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/*
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* Check if firmware supports version 2 of MC_CMD_INIT_EVQ, which allows
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* us to let the firmware choose the settings to use on an EVQ.
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*/
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encp->enc_init_evq_v2_supported =
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CAP_FLAG2(flags2, INIT_EVQ_V2) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS2(req, INIT_EVQ_V2))
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encp->enc_init_evq_v2_supported = B_TRUE;
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else
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encp->enc_init_evq_v2_supported = B_FALSE;
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/*
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* Check if firmware-verified NVRAM updates must be used.
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@ -1121,29 +1161,34 @@ ef10_get_datapath_caps(
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* and version 2 of MC_CMD_NVRAM_UPDATE_FINISH (to verify the updated
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* partition and report the result).
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*/
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encp->enc_nvram_update_verify_result_supported =
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CAP_FLAG2(flags2, NVRAM_UPDATE_REPORT_VERIFY_RESULT) ?
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B_TRUE : B_FALSE;
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if (CAP_FLAGS2(req, NVRAM_UPDATE_REPORT_VERIFY_RESULT))
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encp->enc_nvram_update_verify_result_supported = B_TRUE;
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else
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encp->enc_nvram_update_verify_result_supported = B_FALSE;
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/*
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* Check if firmware provides packet memory and Rx datapath
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* counters.
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*/
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encp->enc_pm_and_rxdp_counters =
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CAP_FLAG(flags, PM_AND_RXDP_COUNTERS) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS1(req, PM_AND_RXDP_COUNTERS))
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encp->enc_pm_and_rxdp_counters = B_TRUE;
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else
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encp->enc_pm_and_rxdp_counters = B_FALSE;
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/*
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* Check if the 40G MAC hardware is capable of reporting
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* statistics for Tx size bins.
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*/
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encp->enc_mac_stats_40g_tx_size_bins =
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CAP_FLAG2(flags2, MAC_STATS_40G_TX_SIZE_BINS) ? B_TRUE : B_FALSE;
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if (CAP_FLAGS2(req, MAC_STATS_40G_TX_SIZE_BINS))
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encp->enc_mac_stats_40g_tx_size_bins = B_TRUE;
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else
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encp->enc_mac_stats_40g_tx_size_bins = B_FALSE;
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/*
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* Check if firmware supports VXLAN and NVGRE tunnels.
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* The capability indicates Geneve protocol support as well.
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*/
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if (CAP_FLAG(flags, VXLAN_NVGRE)) {
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if (CAP_FLAGS1(req, VXLAN_NVGRE)) {
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encp->enc_tunnel_encapsulations_supported =
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(1u << EFX_TUNNEL_PROTOCOL_VXLAN) |
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(1u << EFX_TUNNEL_PROTOCOL_GENEVE) |
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@ -1157,11 +1202,15 @@ ef10_get_datapath_caps(
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encp->enc_tunnel_config_udp_entries_max = 0;
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}
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#undef CAP_FLAG
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#undef CAP_FLAG2
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#undef CAP_FLAGS1
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#undef CAP_FLAGS2
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return (0);
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fail4:
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EFSYS_PROBE(fail4);
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fail3:
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EFSYS_PROBE(fail3);
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fail2:
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EFSYS_PROBE(fail2);
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fail1:
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