From 794177027b200a2b9b29aa153fe2ae8bd5610c21 Mon Sep 17 00:00:00 2001 From: Elad Raz Date: Fri, 28 Oct 2016 21:35:53 +0200 Subject: [PATCH] mlxsw: reg: Add Infiniband support to PTYS In order to support Infiniband fabric, we need to introduce IB speeds and capabilities to PTYS emads. Signed-off-by: Elad Raz Reviewed-by: Jiri Pirko Reviewed-by: Ido Schimmel Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlxsw/reg.h | 71 +++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 3ecf3486de11..2f31af04d259 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -2054,6 +2054,7 @@ MLXSW_REG_DEFINE(ptys, MLXSW_REG_PTYS_ID, MLXSW_REG_PTYS_LEN); */ MLXSW_ITEM32(reg, ptys, local_port, 0x00, 16, 8); +#define MLXSW_REG_PTYS_PROTO_MASK_IB BIT(0) #define MLXSW_REG_PTYS_PROTO_MASK_ETH BIT(2) /* reg_ptys_proto_mask @@ -2112,18 +2113,61 @@ MLXSW_ITEM32(reg, ptys, an_status, 0x04, 28, 4); */ MLXSW_ITEM32(reg, ptys, eth_proto_cap, 0x0C, 0, 32); +/* reg_ptys_ib_link_width_cap + * IB port supported widths. + * Access: RO + */ +MLXSW_ITEM32(reg, ptys, ib_link_width_cap, 0x10, 16, 16); + +#define MLXSW_REG_PTYS_IB_SPEED_SDR BIT(0) +#define MLXSW_REG_PTYS_IB_SPEED_DDR BIT(1) +#define MLXSW_REG_PTYS_IB_SPEED_QDR BIT(2) +#define MLXSW_REG_PTYS_IB_SPEED_FDR10 BIT(3) +#define MLXSW_REG_PTYS_IB_SPEED_FDR BIT(4) +#define MLXSW_REG_PTYS_IB_SPEED_EDR BIT(5) + +/* reg_ptys_ib_proto_cap + * IB port supported speeds and protocols. + * Access: RO + */ +MLXSW_ITEM32(reg, ptys, ib_proto_cap, 0x10, 0, 16); + /* reg_ptys_eth_proto_admin * Speed and protocol to set port to. * Access: RW */ MLXSW_ITEM32(reg, ptys, eth_proto_admin, 0x18, 0, 32); +/* reg_ptys_ib_link_width_admin + * IB width to set port to. + * Access: RW + */ +MLXSW_ITEM32(reg, ptys, ib_link_width_admin, 0x1C, 16, 16); + +/* reg_ptys_ib_proto_admin + * IB speeds and protocols to set port to. + * Access: RW + */ +MLXSW_ITEM32(reg, ptys, ib_proto_admin, 0x1C, 0, 16); + /* reg_ptys_eth_proto_oper * The current speed and protocol configured for the port. * Access: RO */ MLXSW_ITEM32(reg, ptys, eth_proto_oper, 0x24, 0, 32); +/* reg_ptys_ib_link_width_oper + * The current IB width to set port to. + * Access: RO + */ +MLXSW_ITEM32(reg, ptys, ib_link_width_oper, 0x28, 16, 16); + +/* reg_ptys_ib_proto_oper + * The current IB speed and protocol. + * Access: RO + */ +MLXSW_ITEM32(reg, ptys, ib_proto_oper, 0x28, 0, 16); + /* reg_ptys_eth_proto_lp_advertise * The protocols that were advertised by the link partner during * autonegotiation. @@ -2153,6 +2197,33 @@ static inline void mlxsw_reg_ptys_eth_unpack(char *payload, *p_eth_proto_oper = mlxsw_reg_ptys_eth_proto_oper_get(payload); } +static inline void mlxsw_reg_ptys_ib_pack(char *payload, u8 local_port, + u16 proto_admin, u16 link_width) +{ + MLXSW_REG_ZERO(ptys, payload); + mlxsw_reg_ptys_local_port_set(payload, local_port); + mlxsw_reg_ptys_proto_mask_set(payload, MLXSW_REG_PTYS_PROTO_MASK_IB); + mlxsw_reg_ptys_ib_proto_admin_set(payload, proto_admin); + mlxsw_reg_ptys_ib_link_width_admin_set(payload, link_width); +} + +static inline void mlxsw_reg_ptys_ib_unpack(char *payload, u16 *p_ib_proto_cap, + u16 *p_ib_link_width_cap, + u16 *p_ib_proto_oper, + u16 *p_ib_link_width_oper) +{ + if (p_ib_proto_cap) + *p_ib_proto_cap = mlxsw_reg_ptys_ib_proto_cap_get(payload); + if (p_ib_link_width_cap) + *p_ib_link_width_cap = + mlxsw_reg_ptys_ib_link_width_cap_get(payload); + if (p_ib_proto_oper) + *p_ib_proto_oper = mlxsw_reg_ptys_ib_proto_oper_get(payload); + if (p_ib_link_width_oper) + *p_ib_link_width_oper = + mlxsw_reg_ptys_ib_link_width_oper_get(payload); +} + /* PPAD - Port Physical Address Register * ------------------------------------- * The PPAD register configures the per port physical MAC address. -- 2.30.2