diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 190 |
1 files changed, 91 insertions, 99 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index aebbd6c..f6d6677 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -40,17 +40,6 @@ #define UPLINK_VPORT 0xFFFF -#define MLX5_DEBUG_ESWITCH_MASK BIT(3) - -#define esw_info(dev, format, ...) \ - pr_info("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__) - -#define esw_warn(dev, format, ...) \ - pr_warn("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__) - -#define esw_debug(dev, format, ...) \ - mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__) - enum { MLX5_ACTION_NONE = 0, MLX5_ACTION_ADD = 1, @@ -92,6 +81,9 @@ enum { MC_ADDR_CHANGE | \ PROMISC_CHANGE) +int esw_offloads_init(struct mlx5_eswitch *esw, int nvports); +void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports); + static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport, u32 events_mask) { @@ -337,25 +329,23 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule, MLX5_MATCH_OUTER_HEADERS); struct mlx5_flow_rule *flow_rule = NULL; struct mlx5_flow_destination dest; + struct mlx5_flow_spec *spec; void *mv_misc = NULL; void *mc_misc = NULL; u8 *dmac_v = NULL; u8 *dmac_c = NULL; - u32 *match_v; - u32 *match_c; if (rx_rule) match_header |= MLX5_MATCH_MISC_PARAMETERS; - match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); - match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); - if (!match_v || !match_c) { + + spec = mlx5_vzalloc(sizeof(*spec)); + if (!spec) { pr_warn("FDB: Failed to alloc match parameters\n"); - goto out; + return NULL; } - - dmac_v = MLX5_ADDR_OF(fte_match_param, match_v, + dmac_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers.dmac_47_16); - dmac_c = MLX5_ADDR_OF(fte_match_param, match_c, + dmac_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers.dmac_47_16); if (match_header & MLX5_MATCH_OUTER_HEADERS) { @@ -364,8 +354,10 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule, } if (match_header & MLX5_MATCH_MISC_PARAMETERS) { - mv_misc = MLX5_ADDR_OF(fte_match_param, match_v, misc_parameters); - mc_misc = MLX5_ADDR_OF(fte_match_param, match_c, misc_parameters); + mv_misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, + misc_parameters); + mc_misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, + misc_parameters); MLX5_SET(fte_match_set_misc, mv_misc, source_port, UPLINK_VPORT); MLX5_SET_TO_ONES(fte_match_set_misc, mc_misc, source_port); } @@ -376,11 +368,9 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule, esw_debug(esw->dev, "\tFDB add rule dmac_v(%pM) dmac_c(%pM) -> vport(%d)\n", dmac_v, dmac_c, vport); + spec->match_criteria_enable = match_header; flow_rule = - mlx5_add_flow_rule(esw->fdb_table.fdb, - match_header, - match_c, - match_v, + mlx5_add_flow_rule(esw->fdb_table.fdb, spec, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, 0, &dest); if (IS_ERR(flow_rule)) { @@ -389,9 +379,8 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule, dmac_v, dmac_c, vport, PTR_ERR(flow_rule)); flow_rule = NULL; } -out: - kfree(match_v); - kfree(match_c); + + kvfree(spec); return flow_rule; } @@ -428,7 +417,7 @@ esw_fdb_set_vport_promisc_rule(struct mlx5_eswitch *esw, u32 vport) return __esw_fdb_set_vport_rule(esw, vport, true, mac_c, mac_v); } -static int esw_create_fdb_table(struct mlx5_eswitch *esw, int nvports) +static int esw_create_legacy_fdb_table(struct mlx5_eswitch *esw, int nvports) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); struct mlx5_core_dev *dev = esw->dev; @@ -479,7 +468,7 @@ static int esw_create_fdb_table(struct mlx5_eswitch *esw, int nvports) esw_warn(dev, "Failed to create flow group err(%d)\n", err); goto out; } - esw->fdb_table.addr_grp = g; + esw->fdb_table.legacy.addr_grp = g; /* Allmulti group : One rule that forwards any mcast traffic */ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, @@ -494,7 +483,7 @@ static int esw_create_fdb_table(struct mlx5_eswitch *esw, int nvports) esw_warn(dev, "Failed to create allmulti flow group err(%d)\n", err); goto out; } - esw->fdb_table.allmulti_grp = g; + esw->fdb_table.legacy.allmulti_grp = g; /* Promiscuous group : * One rule that forward all unmatched traffic from previous groups @@ -511,17 +500,17 @@ static int esw_create_fdb_table(struct mlx5_eswitch *esw, int nvports) esw_warn(dev, "Failed to create promisc flow group err(%d)\n", err); goto out; } - esw->fdb_table.promisc_grp = g; + esw->fdb_table.legacy.promisc_grp = g; out: if (err) { - if (!IS_ERR_OR_NULL(esw->fdb_table.allmulti_grp)) { - mlx5_destroy_flow_group(esw->fdb_table.allmulti_grp); - esw->fdb_table.allmulti_grp = NULL; + if (!IS_ERR_OR_NULL(esw->fdb_table.legacy.allmulti_grp)) { + mlx5_destroy_flow_group(esw->fdb_table.legacy.allmulti_grp); + esw->fdb_table.legacy.allmulti_grp = NULL; } - if (!IS_ERR_OR_NULL(esw->fdb_table.addr_grp)) { - mlx5_destroy_flow_group(esw->fdb_table.addr_grp); - esw->fdb_table.addr_grp = NULL; + if (!IS_ERR_OR_NULL(esw->fdb_table.legacy.addr_grp)) { + mlx5_destroy_flow_group(esw->fdb_table.legacy.addr_grp); + esw->fdb_table.legacy.addr_grp = NULL; } if (!IS_ERR_OR_NULL(esw->fdb_table.fdb)) { mlx5_destroy_flow_table(esw->fdb_table.fdb); @@ -533,20 +522,20 @@ out: return err; } -static void esw_destroy_fdb_table(struct mlx5_eswitch *esw) +static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw) { if (!esw->fdb_table.fdb) return; esw_debug(esw->dev, "Destroy FDB Table\n"); - mlx5_destroy_flow_group(esw->fdb_table.promisc_grp); - mlx5_destroy_flow_group(esw->fdb_table.allmulti_grp); - mlx5_destroy_flow_group(esw->fdb_table.addr_grp); + mlx5_destroy_flow_group(esw->fdb_table.legacy.promisc_grp); + mlx5_destroy_flow_group(esw->fdb_table.legacy.allmulti_grp); + mlx5_destroy_flow_group(esw->fdb_table.legacy.addr_grp); mlx5_destroy_flow_table(esw->fdb_table.fdb); esw->fdb_table.fdb = NULL; - esw->fdb_table.addr_grp = NULL; - esw->fdb_table.allmulti_grp = NULL; - esw->fdb_table.promisc_grp = NULL; + esw->fdb_table.legacy.addr_grp = NULL; + esw->fdb_table.legacy.allmulti_grp = NULL; + esw->fdb_table.legacy.promisc_grp = NULL; } /* E-Switch vport UC/MC lists management */ @@ -578,7 +567,8 @@ static int esw_add_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr) if (err) goto abort; - if (esw->fdb_table.fdb) /* SRIOV is enabled: Forward UC MAC to vport */ + /* SRIOV is enabled: Forward UC MAC to vport */ + if (esw->fdb_table.fdb && esw->mode == SRIOV_LEGACY) vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport); esw_debug(esw->dev, "\tADDED UC MAC: vport[%d] %pM index:%d fr(%p)\n", @@ -1300,9 +1290,8 @@ static void esw_vport_disable_ingress_acl(struct mlx5_eswitch *esw, static int esw_vport_ingress_config(struct mlx5_eswitch *esw, struct mlx5_vport *vport) { + struct mlx5_flow_spec *spec; u8 smac[ETH_ALEN]; - u32 *match_v; - u32 *match_c; int err = 0; u8 *smac_v; @@ -1336,9 +1325,8 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw, "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n", vport->vport, vport->vlan, vport->qos); - match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); - match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); - if (!match_v || !match_c) { + spec = mlx5_vzalloc(sizeof(*spec)); + if (!spec) { err = -ENOMEM; esw_warn(esw->dev, "vport[%d] configure ingress rules failed, err(%d)\n", vport->vport, err); @@ -1346,22 +1334,20 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw, } if (vport->vlan || vport->qos) - MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.vlan_tag); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag); if (vport->spoofchk) { - MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.smac_47_16); - MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.smac_15_0); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0); smac_v = MLX5_ADDR_OF(fte_match_param, - match_v, + spec->match_value, outer_headers.smac_47_16); ether_addr_copy(smac_v, smac); } + spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; vport->ingress.allow_rule = - mlx5_add_flow_rule(vport->ingress.acl, - MLX5_MATCH_OUTER_HEADERS, - match_c, - match_v, + mlx5_add_flow_rule(vport->ingress.acl, spec, MLX5_FLOW_CONTEXT_ACTION_ALLOW, 0, NULL); if (IS_ERR(vport->ingress.allow_rule)) { @@ -1372,13 +1358,9 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw, goto out; } - memset(match_c, 0, MLX5_ST_SZ_BYTES(fte_match_param)); - memset(match_v, 0, MLX5_ST_SZ_BYTES(fte_match_param)); + memset(spec, 0, sizeof(*spec)); vport->ingress.drop_rule = - mlx5_add_flow_rule(vport->ingress.acl, - 0, - match_c, - match_v, + mlx5_add_flow_rule(vport->ingress.acl, spec, MLX5_FLOW_CONTEXT_ACTION_DROP, 0, NULL); if (IS_ERR(vport->ingress.drop_rule)) { @@ -1392,17 +1374,14 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw, out: if (err) esw_vport_cleanup_ingress_rules(esw, vport); - - kfree(match_v); - kfree(match_c); + kvfree(spec); return err; } static int esw_vport_egress_config(struct mlx5_eswitch *esw, struct mlx5_vport *vport) { - u32 *match_v; - u32 *match_c; + struct mlx5_flow_spec *spec; int err = 0; esw_vport_cleanup_egress_rules(esw, vport); @@ -1418,9 +1397,8 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw, "vport[%d] configure egress rules, vlan(%d) qos(%d)\n", vport->vport, vport->vlan, vport->qos); - match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); - match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL); - if (!match_v || !match_c) { + spec = mlx5_vzalloc(sizeof(*spec)); + if (!spec) { err = -ENOMEM; esw_warn(esw->dev, "vport[%d] configure egress rules failed, err(%d)\n", vport->vport, err); @@ -1428,16 +1406,14 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw, } /* Allowed vlan rule */ - MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.vlan_tag); - MLX5_SET_TO_ONES(fte_match_param, match_v, outer_headers.vlan_tag); - MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.first_vid); - MLX5_SET(fte_match_param, match_v, outer_headers.first_vid, vport->vlan); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag); + MLX5_SET_TO_ONES(fte_match_param, spec->match_value, outer_headers.vlan_tag); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.first_vid); + MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid, vport->vlan); + spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; vport->egress.allowed_vlan = - mlx5_add_flow_rule(vport->egress.acl, - MLX5_MATCH_OUTER_HEADERS, - match_c, - match_v, + mlx5_add_flow_rule(vport->egress.acl, spec, MLX5_FLOW_CONTEXT_ACTION_ALLOW, 0, NULL); if (IS_ERR(vport->egress.allowed_vlan)) { @@ -1449,13 +1425,9 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw, } /* Drop others rule (star rule) */ - memset(match_c, 0, MLX5_ST_SZ_BYTES(fte_match_param)); - memset(match_v, 0, MLX5_ST_SZ_BYTES(fte_match_param)); + memset(spec, 0, sizeof(*spec)); vport->egress.drop_rule = - mlx5_add_flow_rule(vport->egress.acl, - 0, - match_c, - match_v, + mlx5_add_flow_rule(vport->egress.acl, spec, MLX5_FLOW_CONTEXT_ACTION_DROP, 0, NULL); if (IS_ERR(vport->egress.drop_rule)) { @@ -1465,8 +1437,7 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw, vport->egress.drop_rule = NULL; } out: - kfree(match_v); - kfree(match_c); + kvfree(spec); return err; } @@ -1540,10 +1511,10 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, int vport_num) } /* Public E-Switch API */ -int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs) +int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode) { int err; - int i; + int i, enabled_events; if (!esw || !MLX5_CAP_GEN(esw->dev, vport_group_manager) || MLX5_CAP_GEN(esw->dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) @@ -1561,16 +1532,20 @@ int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs) if (!MLX5_CAP_ESW_EGRESS_ACL(esw->dev, ft_support)) esw_warn(esw->dev, "E-Switch engress ACL is not supported by FW\n"); - esw_info(esw->dev, "E-Switch enable SRIOV: nvfs(%d)\n", nvfs); - + esw_info(esw->dev, "E-Switch enable SRIOV: nvfs(%d) mode (%d)\n", nvfs, mode); + esw->mode = mode; esw_disable_vport(esw, 0); - err = esw_create_fdb_table(esw, nvfs + 1); + if (mode == SRIOV_LEGACY) + err = esw_create_legacy_fdb_table(esw, nvfs + 1); + else + err = esw_offloads_init(esw, nvfs + 1); if (err) goto abort; + enabled_events = (mode == SRIOV_LEGACY) ? SRIOV_VPORT_EVENTS : UC_ADDR_CHANGE; for (i = 0; i <= nvfs; i++) - esw_enable_vport(esw, i, SRIOV_VPORT_EVENTS); + esw_enable_vport(esw, i, enabled_events); esw_info(esw->dev, "SRIOV enabled: active vports(%d)\n", esw->enabled_vports); @@ -1584,16 +1559,18 @@ abort: void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) { struct esw_mc_addr *mc_promisc; + int nvports; int i; if (!esw || !MLX5_CAP_GEN(esw->dev, vport_group_manager) || MLX5_CAP_GEN(esw->dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) return; - esw_info(esw->dev, "disable SRIOV: active vports(%d)\n", - esw->enabled_vports); + esw_info(esw->dev, "disable SRIOV: active vports(%d) mode(%d)\n", + esw->enabled_vports, esw->mode); mc_promisc = esw->mc_promisc; + nvports = esw->enabled_vports; for (i = 0; i < esw->total_vports; i++) esw_disable_vport(esw, i); @@ -1601,8 +1578,12 @@ void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) if (mc_promisc && mc_promisc->uplink_rule) mlx5_del_flow_rule(mc_promisc->uplink_rule); - esw_destroy_fdb_table(esw); + if (esw->mode == SRIOV_LEGACY) + esw_destroy_legacy_fdb_table(esw); + else if (esw->mode == SRIOV_OFFLOADS) + esw_offloads_cleanup(esw, nvports); + esw->mode = SRIOV_NONE; /* VPORT 0 (PF) must be enabled back with non-sriov configuration */ esw_enable_vport(esw, 0, UC_ADDR_CHANGE); } @@ -1660,6 +1641,14 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev) goto abort; } + esw->offloads.vport_reps = + kzalloc(total_vports * sizeof(struct mlx5_eswitch_rep), + GFP_KERNEL); + if (!esw->offloads.vport_reps) { + err = -ENOMEM; + goto abort; + } + mutex_init(&esw->state_lock); for (vport_num = 0; vport_num < total_vports; vport_num++) { @@ -1673,6 +1662,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev) esw->total_vports = total_vports; esw->enabled_vports = 0; + esw->mode = SRIOV_NONE; dev->priv.eswitch = esw; esw_enable_vport(esw, 0, UC_ADDR_CHANGE); @@ -1683,6 +1673,7 @@ abort: destroy_workqueue(esw->work_queue); kfree(esw->l2_table.bitmap); kfree(esw->vports); + kfree(esw->offloads.vport_reps); kfree(esw); return err; } @@ -1700,6 +1691,7 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) destroy_workqueue(esw->work_queue); kfree(esw->l2_table.bitmap); kfree(esw->mc_promisc); + kfree(esw->offloads.vport_reps); kfree(esw->vports); kfree(esw); } |