diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index cc27c5de5a1dd83060508910a9e99b8353a7c2be..4afc8486eb9a7ee5242d58393fbba643e2b75d74 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -6401,6 +6401,36 @@ static inline void mlxsw_reg_mgpc_pack(char *payload, u32 counter_index, mlxsw_reg_mgpc_opcode_set(payload, opcode); } +/* TIGCR - Tunneling IPinIP General Configuration Register + * ------------------------------------------------------- + * The TIGCR register is used for setting up the IPinIP Tunnel configuration. + */ +#define MLXSW_REG_TIGCR_ID 0xA801 +#define MLXSW_REG_TIGCR_LEN 0x10 + +MLXSW_REG_DEFINE(tigcr, MLXSW_REG_TIGCR_ID, MLXSW_REG_TIGCR_LEN); + +/* reg_tigcr_ipip_ttlc + * For IPinIP Tunnel encapsulation: whether to copy the ttl from the packet + * header. + * Access: RW + */ +MLXSW_ITEM32(reg, tigcr, ttlc, 0x04, 8, 1); + +/* reg_tigcr_ipip_ttl_uc + * The TTL for IPinIP Tunnel encapsulation of unicast packets if + * reg_tigcr_ipip_ttlc is unset. + * Access: RW + */ +MLXSW_ITEM32(reg, tigcr, ttl_uc, 0x04, 0, 8); + +static inline void mlxsw_reg_tigcr_pack(char *payload, bool ttlc, u8 ttl_uc) +{ + MLXSW_REG_ZERO(tigcr, payload); + mlxsw_reg_tigcr_ttlc_set(payload, ttlc); + mlxsw_reg_tigcr_ttl_uc_set(payload, ttl_uc); +} + /* SBPR - Shared Buffer Pools Register * ----------------------------------- * The SBPR configures and retrieves the shared buffer pools and configuration. @@ -6881,6 +6911,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = { MLXSW_REG(mcc), MLXSW_REG(mcda), MLXSW_REG(mgpc), + MLXSW_REG(tigcr), MLXSW_REG(sbpr), MLXSW_REG(sbcm), MLXSW_REG(sbpm), diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index c16718d296d389b0330b8aa7a75f130a5eb4bdbf..5189022a1c8c335c42901b5d288bbdf830512f46 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -5896,11 +5896,20 @@ static void mlxsw_sp_rifs_fini(struct mlxsw_sp *mlxsw_sp) kfree(mlxsw_sp->router->rifs); } +static int +mlxsw_sp_ipip_config_tigcr(struct mlxsw_sp *mlxsw_sp) +{ + char tigcr_pl[MLXSW_REG_TIGCR_LEN]; + + mlxsw_reg_tigcr_pack(tigcr_pl, true, 0); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(tigcr), tigcr_pl); +} + static int mlxsw_sp_ipips_init(struct mlxsw_sp *mlxsw_sp) { mlxsw_sp->router->ipip_ops_arr = mlxsw_sp_ipip_ops_arr; INIT_LIST_HEAD(&mlxsw_sp->router->ipip_list); - return 0; + return mlxsw_sp_ipip_config_tigcr(mlxsw_sp); } static void mlxsw_sp_ipips_fini(struct mlxsw_sp *mlxsw_sp)