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sfxge(4): detect equal stride super-buffer support

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Equal stride super-buffer Rx mode is supported on Medford2 by
DPDK firmware variant.

Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18235
This commit is contained in:
Andrew Rybchenko 2018-11-29 06:45:26 +00:00
parent 2a726a7f94
commit ceeff9b1a1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=341204
3 changed files with 8 additions and 0 deletions
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6
sys/dev/sfxge/common/ef10_nic.c
View File

@ -1141,6 +1141,12 @@ ef10_get_datapath_caps(
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;

1
sys/dev/sfxge/common/efx.h
View File

@ -1298,6 +1298,7 @@ typedef struct efx_nic_cfg_s {
boolean_t enc_init_evq_v2_supported;
boolean_t enc_rx_packed_stream_supported;
boolean_t enc_rx_var_packed_stream_supported;
boolean_t enc_rx_es_super_buffer_supported;
boolean_t enc_fw_subvariant_no_tx_csum_supported;
boolean_t enc_pm_and_rxdp_counters;
boolean_t enc_mac_stats_40g_tx_size_bins;

1
sys/dev/sfxge/common/siena_nic.c
View File

@ -190,6 +190,7 @@ siena_board_cfg(
encp->enc_allow_set_mac_with_installed_filters = B_TRUE;
encp->enc_rx_packed_stream_supported = B_FALSE;
encp->enc_rx_var_packed_stream_supported = B_FALSE;
encp->enc_rx_es_super_buffer_supported = B_FALSE;
encp->enc_fw_subvariant_no_tx_csum_supported = B_FALSE;
/* Siena supports two 10G ports, and 8 lanes of PCIe Gen2 */