[PATCH 1/4] net/sfc/base: provide information about supported tunnels
From: Andrew Rybchenko <hidden>
Date: 2017-08-28 13:25:43
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
VXLAN/NVGRE (and Geneve) support is available on SFN8xxx with full-feature firmware variant running. Signed-off-by: Andrew Rybchenko <redacted> Reviewed-by: Andrew Lee <redacted> Reviewed-by: Andy Moreton <redacted> Reviewed-by: Mark Spender <redacted> --- drivers/net/sfc/base/ef10_nic.c | 10 ++++++++++ drivers/net/sfc/base/efx.h | 9 +++++++++ 2 files changed, 19 insertions(+)
diff --git a/drivers/net/sfc/base/ef10_nic.c b/drivers/net/sfc/base/ef10_nic.c
index aac2679..58d1b0a 100644
--- a/drivers/net/sfc/base/ef10_nic.c
+++ b/drivers/net/sfc/base/ef10_nic.c@@ -1072,6 +1072,16 @@ 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
diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 7eabc37..c227546 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h@@ -1088,6 +1088,14 @@ enum { #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;
@@ -1187,6 +1195,7 @@ enum { 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;
--
1.8.2.3