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authorAmit Cohen <amcohen@nvidia.com>2022-10-20 17:20:04 +0200
committerDavid S. Miller <davem@davemloft.net>2022-10-24 10:43:39 +0100
commitcceef209ddd7b4c0059cc41bdab103b804043d1f (patch)
treee95ad9e69967964bc7b5161b99ba24bb37740e05
parent404c76783f322120266a4ef659abe418dc74f5c6 (diff)
downloadlinux-cceef209ddd7b4c0059cc41bdab103b804043d1f.tar.bz2
mlxsw: Add support for 800Gbps link modes
Add support for 800Gbps speed, link modes of 100Gbps per lane. Signed-off-by: Amit Cohen <amcohen@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Petr Machata <petrm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c21
2 files changed, 22 insertions, 0 deletions
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)