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Message-ID: <4acc3f0afefea885b1e40a7a4b768351e7c9be19.1666277135.git.petrm@nvidia.com> Date: Thu, 20 Oct 2022 17:20:04 +0200 From: Petr Machata <petrm@...dia.com> To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, <netdev@...r.kernel.org> CC: Jay Vosburgh <j.vosburgh@...il.com>, Veaceslav Falico <vfalico@...il.com>, Andy Gospodarek <andy@...yhouse.net>, Ido Schimmel <idosch@...dia.com>, "Petr Machata" <petrm@...dia.com>, Amit Cohen <amcohen@...dia.com>, Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, David Ahern <dsahern@...nel.org>, <mlxsw@...dia.com> Subject: [PATCH net-next 2/3] mlxsw: Add support for 800Gbps link modes From: Amit Cohen <amcohen@...dia.com> Add support for 800Gbps speed, link modes of 100Gbps per lane. Signed-off-by: Amit Cohen <amcohen@...dia.com> Reviewed-by: Ido Schimmel <idosch@...dia.com> Signed-off-by: Petr Machata <petrm@...dia.com> --- drivers/net/ethernet/mellanox/mlxsw/reg.h | 1 + .../mellanox/mlxsw/spectrum_ethtool.c | 21 +++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 0777bed5bb1a..b74f30ec629a 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -4620,6 +4620,7 @@ MLXSW_ITEM32(reg, ptys, an_status, 0x04, 28, 4); #define MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_2_100GBASE_CR2_KR2 BIT(10) #define MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_4_200GBASE_CR4_KR4 BIT(12) #define MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_8 BIT(15) +#define MLXSW_REG_PTYS_EXT_ETH_SPEED_800GAUI_8 BIT(19) /* reg_ptys_ext_eth_proto_cap * Extended Ethernet port supported speeds and protocols. diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c index dcd79d7e2af4..472830d07ac1 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c @@ -1672,6 +1672,19 @@ mlxsw_sp2_mask_ethtool_400gaui_8[] = { #define MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN \ ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_8) +static const enum ethtool_link_mode_bit_indices +mlxsw_sp2_mask_ethtool_800gaui_8[] = { + ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT, + ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT, + ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT, + ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT, + ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT, + ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT, +}; + +#define MLXSW_SP2_MASK_ETHTOOL_800GAUI_8_LEN \ + ARRAY_SIZE(mlxsw_sp2_mask_ethtool_800gaui_8) + #define MLXSW_SP_PORT_MASK_WIDTH_1X BIT(0) #define MLXSW_SP_PORT_MASK_WIDTH_2X BIT(1) #define MLXSW_SP_PORT_MASK_WIDTH_4X BIT(2) @@ -1820,6 +1833,14 @@ static const struct mlxsw_sp2_port_link_mode mlxsw_sp2_port_link_mode[] = { .speed = SPEED_400000, .width = 8, }, + { + .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_800GAUI_8, + .mask_ethtool = mlxsw_sp2_mask_ethtool_800gaui_8, + .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_800GAUI_8_LEN, + .mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_8X, + .speed = SPEED_800000, + .width = 8, + }, }; #define MLXSW_SP2_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp2_port_link_mode) -- 2.35.3
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