diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c | 76 |
1 files changed, 59 insertions, 17 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c index 93ccd9fc2266..05517c7feaa5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c @@ -103,9 +103,9 @@ static void mlxsw_sp_nve_vxlan_config(const struct mlxsw_sp_nve *nve, config->udp_dport = cfg->dst_port; } -static int mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, - unsigned int parsing_depth, - __be16 udp_dport) +static int __mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, + unsigned int parsing_depth, + __be16 udp_dport) { char mprs_pl[MLXSW_REG_MPRS_LEN]; @@ -113,6 +113,56 @@ static int mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl); } +static int mlxsw_sp_nve_parsing_set(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + int parsing_depth = mlxsw_sp->nve->inc_parsing_depth_refs ? + MLXSW_SP_NVE_VXLAN_PARSING_DEPTH : + MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH; + + return __mlxsw_sp_nve_parsing_set(mlxsw_sp, parsing_depth, udp_dport); +} + +static int +__mlxsw_sp_nve_inc_parsing_depth_get(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + int err; + + mlxsw_sp->nve->inc_parsing_depth_refs++; + + err = mlxsw_sp_nve_parsing_set(mlxsw_sp, udp_dport); + if (err) + goto err_nve_parsing_set; + return 0; + +err_nve_parsing_set: + mlxsw_sp->nve->inc_parsing_depth_refs--; + return err; +} + +static void +__mlxsw_sp_nve_inc_parsing_depth_put(struct mlxsw_sp *mlxsw_sp, + __be16 udp_dport) +{ + mlxsw_sp->nve->inc_parsing_depth_refs--; + mlxsw_sp_nve_parsing_set(mlxsw_sp, udp_dport); +} + +int mlxsw_sp_nve_inc_parsing_depth_get(struct mlxsw_sp *mlxsw_sp) +{ + __be16 udp_dport = mlxsw_sp->nve->config.udp_dport; + + return __mlxsw_sp_nve_inc_parsing_depth_get(mlxsw_sp, udp_dport); +} + +void mlxsw_sp_nve_inc_parsing_depth_put(struct mlxsw_sp *mlxsw_sp) +{ + __be16 udp_dport = mlxsw_sp->nve->config.udp_dport; + + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, udp_dport); +} + static void mlxsw_sp_nve_vxlan_config_prepare(char *tngcr_pl, const struct mlxsw_sp_nve_config *config) @@ -176,9 +226,7 @@ static int mlxsw_sp1_nve_vxlan_init(struct mlxsw_sp_nve *nve, struct mlxsw_sp *mlxsw_sp = nve->mlxsw_sp; int err; - err = mlxsw_sp_nve_parsing_set(mlxsw_sp, - MLXSW_SP_NVE_VXLAN_PARSING_DEPTH, - config->udp_dport); + err = __mlxsw_sp_nve_inc_parsing_depth_get(mlxsw_sp, config->udp_dport); if (err) return err; @@ -203,8 +251,7 @@ err_promote_decap: err_rtdp_set: mlxsw_sp1_nve_vxlan_config_clear(mlxsw_sp); err_config_set: - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); return err; } @@ -216,8 +263,7 @@ static void mlxsw_sp1_nve_vxlan_fini(struct mlxsw_sp_nve *nve) mlxsw_sp_router_nve_demote_decap(mlxsw_sp, config->ul_tb_id, config->ul_proto, &config->ul_sip); mlxsw_sp1_nve_vxlan_config_clear(mlxsw_sp); - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); } static int @@ -320,9 +366,7 @@ static int mlxsw_sp2_nve_vxlan_init(struct mlxsw_sp_nve *nve, struct mlxsw_sp *mlxsw_sp = nve->mlxsw_sp; int err; - err = mlxsw_sp_nve_parsing_set(mlxsw_sp, - MLXSW_SP_NVE_VXLAN_PARSING_DEPTH, - config->udp_dport); + err = __mlxsw_sp_nve_inc_parsing_depth_get(mlxsw_sp, config->udp_dport); if (err) return err; @@ -348,8 +392,7 @@ err_promote_decap: err_rtdp_set: mlxsw_sp2_nve_vxlan_config_clear(mlxsw_sp); err_config_set: - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); return err; } @@ -361,8 +404,7 @@ static void mlxsw_sp2_nve_vxlan_fini(struct mlxsw_sp_nve *nve) mlxsw_sp_router_nve_demote_decap(mlxsw_sp, config->ul_tb_id, config->ul_proto, &config->ul_sip); mlxsw_sp2_nve_vxlan_config_clear(mlxsw_sp); - mlxsw_sp_nve_parsing_set(mlxsw_sp, MLXSW_SP_NVE_DEFAULT_PARSING_DEPTH, - config->udp_dport); + __mlxsw_sp_nve_inc_parsing_depth_put(mlxsw_sp, 0); } const struct mlxsw_sp_nve_ops mlxsw_sp2_nve_vxlan_ops = { |