diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 434b3922b34f..01ff5ba6796e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -2628,7 +2628,8 @@ struct mlxsw_sp_nexthop_group_cmp_arg { static bool mlxsw_sp_nexthop6_group_has_nexthop(const struct mlxsw_sp_nexthop_group *nh_grp, - const struct in6_addr *gw, int ifindex) + const struct in6_addr *gw, int ifindex, + int weight) { int i; @@ -2636,7 +2637,7 @@ mlxsw_sp_nexthop6_group_has_nexthop(const struct mlxsw_sp_nexthop_group *nh_grp, const struct mlxsw_sp_nexthop *nh; nh = &nh_grp->nexthops[i]; - if (nh->ifindex == ifindex && + if (nh->ifindex == ifindex && nh->nh_weight == weight && ipv6_addr_equal(gw, (struct in6_addr *) nh->gw_addr)) return true; } @@ -2655,11 +2656,13 @@ mlxsw_sp_nexthop6_group_cmp(const struct mlxsw_sp_nexthop_group *nh_grp, list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list) { struct in6_addr *gw; - int ifindex; + int ifindex, weight; ifindex = mlxsw_sp_rt6->rt->dst.dev->ifindex; + weight = mlxsw_sp_rt6->rt->rt6i_nh_weight; gw = &mlxsw_sp_rt6->rt->rt6i_gateway; - if (!mlxsw_sp_nexthop6_group_has_nexthop(nh_grp, gw, ifindex)) + if (!mlxsw_sp_nexthop6_group_has_nexthop(nh_grp, gw, ifindex, + weight)) return false; } @@ -4762,7 +4765,7 @@ static int mlxsw_sp_nexthop6_init(struct mlxsw_sp *mlxsw_sp, struct net_device *dev = rt->dst.dev; nh->nh_grp = nh_grp; - nh->nh_weight = 1; + nh->nh_weight = rt->rt6i_nh_weight; memcpy(&nh->gw_addr, &rt->rt6i_gateway, sizeof(nh->gw_addr)); mlxsw_sp_nexthop_counter_alloc(mlxsw_sp, nh); @@ -7008,6 +7011,24 @@ static int mlxsw_sp_mp_hash_init(struct mlxsw_sp *mlxsw_sp) } #endif +static int mlxsw_sp_dscp_init(struct mlxsw_sp *mlxsw_sp) +{ + char rdpm_pl[MLXSW_REG_RDPM_LEN]; + unsigned int i; + + MLXSW_REG_ZERO(rdpm, rdpm_pl); + + /* HW is determining switch priority based on DSCP-bits, but the + * kernel is still doing that based on the ToS. Since there's a + * mismatch in bits we need to make sure to translate the right + * value ToS would observe, skipping the 2 least-significant ECN bits. + */ + for (i = 0; i < MLXSW_REG_RDPM_DSCP_ENTRY_REC_MAX_COUNT; i++) + mlxsw_reg_rdpm_pack(rdpm_pl, i, rt_tos2priority(i << 2)); + + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rdpm), rdpm_pl); +} + static int __mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) { char rgcr_pl[MLXSW_REG_RGCR_LEN]; @@ -7020,6 +7041,7 @@ static int __mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) mlxsw_reg_rgcr_pack(rgcr_pl, true, true); mlxsw_reg_rgcr_max_router_interfaces_set(rgcr_pl, max_rifs); + mlxsw_reg_rgcr_usp_set(rgcr_pl, true); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rgcr), rgcr_pl); if (err) return err; @@ -7095,6 +7117,10 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) if (err) goto err_mp_hash_init; + err = mlxsw_sp_dscp_init(mlxsw_sp); + if (err) + goto err_dscp_init; + mlxsw_sp->router->fib_nb.notifier_call = mlxsw_sp_router_fib_event; err = register_fib_notifier(&mlxsw_sp->router->fib_nb, mlxsw_sp_router_fib_dump_flush); @@ -7104,6 +7130,7 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) return 0; err_register_fib_notifier: +err_dscp_init: err_mp_hash_init: unregister_netevent_notifier(&mlxsw_sp->router->netevent_nb); err_register_netevent_notifier: |