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sfxge(4): provide information about supported tunnels

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VXLAN/NVGRE (and Geneve) support is available on SFN8xxx with
full-feature firmware variant running.

Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18071
This commit is contained in:
Andrew Rybchenko 2018-11-23 09:02:58 +00:00
parent 7e1059e821
commit 799fadbeb5
2 changed files with 19 additions and 0 deletions
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10
sys/dev/sfxge/common/ef10_nic.c
View File

@ -1075,6 +1075,16 @@ ef10_get_datapath_caps(
encp->enc_mac_stats_40g_tx_size_bins =
CAP_FLAG2(flags2, MAC_STATS_40G_TX_SIZE_BINS) ? B_TRUE : B_FALSE;
/*
* Check if firmware supports VXLAN and NVGRE tunnels.
* The capability indicates Geneve protocol support as well.
*/
if (CAP_FLAG(flags, VXLAN_NVGRE))
encp->enc_tunnel_encapsulations_supported =
(1u << EFX_TUNNEL_PROTOCOL_VXLAN) |
(1u << EFX_TUNNEL_PROTOCOL_GENEVE) |
(1u << EFX_TUNNEL_PROTOCOL_NVGRE);
#undef CAP_FLAG
#undef CAP_FLAG2

9
sys/dev/sfxge/common/efx.h
View File

@ -1095,6 +1095,14 @@ efx_bist_stop(
#define EFX_FEATURE_FW_ASSISTED_TSO_V2 0x00002000
#define EFX_FEATURE_PACKED_STREAM 0x00004000
typedef enum efx_tunnel_protocol_e {
EFX_TUNNEL_PROTOCOL_NONE = 0,
EFX_TUNNEL_PROTOCOL_VXLAN,
EFX_TUNNEL_PROTOCOL_GENEVE,
EFX_TUNNEL_PROTOCOL_NVGRE,
EFX_TUNNEL_NPROTOS
} efx_tunnel_protocol_t;
typedef struct efx_nic_cfg_s {
uint32_t enc_board_type;
uint32_t enc_phy_type;
@ -1194,6 +1202,7 @@ typedef struct efx_nic_cfg_s {
boolean_t enc_rx_var_packed_stream_supported;
boolean_t enc_pm_and_rxdp_counters;
boolean_t enc_mac_stats_40g_tx_size_bins;
uint32_t enc_tunnel_encapsulations_supported;
/* External port identifier */
uint8_t enc_external_port;
uint32_t enc_mcdi_max_payload_length;