diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/action.c | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/cmsg.c | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/main.c | 125 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/main.h | 27 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/match.c | 42 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/offload.c | 38 |
6 files changed, 151 insertions, 89 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index 1c76e1592ca2..ff844e5cc41f 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -209,7 +209,7 @@ nfp_fl_output(struct nfp_app *app, struct nfp_fl_output *output, NFP_FL_OUT_FLAGS_USE_TUN); output->port = cpu_to_be32(NFP_FL_PORT_TYPE_TUN | tun_type); } else if (netif_is_lag_master(out_dev) && - priv->flower_ext_feats & NFP_FL_FEATS_LAG) { + priv->flower_en_feats & NFP_FL_ENABLE_LAG) { int gid; output->flags = cpu_to_be16(tmp_flags); @@ -956,7 +956,7 @@ nfp_flower_output_action(struct nfp_app *app, *a_len += sizeof(struct nfp_fl_output); - if (priv->flower_ext_feats & NFP_FL_FEATS_LAG) { + if (priv->flower_en_feats & NFP_FL_ENABLE_LAG) { /* nfp_fl_pre_lag returns -err or size of prelag action added. * This will be 0 if it is not egressing to a lag dev. */ diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c index a595ddb92bff..a050cb898782 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c @@ -264,7 +264,7 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb) nfp_flower_cmsg_portmod_rx(app, skb); break; case NFP_FLOWER_CMSG_TYPE_MERGE_HINT: - if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MERGE) { + if (app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE) { nfp_flower_cmsg_merge_hint_rx(app, skb); break; } @@ -285,7 +285,7 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb) nfp_flower_stats_rlim_reply(app, skb); break; case NFP_FLOWER_CMSG_TYPE_LAG_CONFIG: - if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) { + if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) { skb_stored = nfp_flower_lag_unprocessed_msg(app, skb); break; } diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c index d8ad9346a26a..c39327677a7d 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.c +++ b/drivers/net/ethernet/netronome/nfp/flower/main.c @@ -665,6 +665,77 @@ err_clear_nn: return err; } +static void nfp_flower_wait_host_bit(struct nfp_app *app) +{ + unsigned long err_at; + u64 feat; + int err; + + /* Wait for HOST_ACK flag bit to propagate */ + err_at = jiffies + msecs_to_jiffies(100); + do { + feat = nfp_rtsym_read_le(app->pf->rtbl, + "_abi_flower_combined_features_global", + &err); + if (time_is_before_eq_jiffies(err_at)) { + nfp_warn(app->cpp, + "HOST_ACK bit not propagated in FW.\n"); + break; + } + usleep_range(1000, 2000); + } while (!err && !(feat & NFP_FL_FEATS_HOST_ACK)); + + if (err) + nfp_warn(app->cpp, + "Could not read global features entry from FW\n"); +} + +static int nfp_flower_sync_feature_bits(struct nfp_app *app) +{ + struct nfp_flower_priv *app_priv = app->priv; + int err; + + /* Tell the firmware of the host supported features. */ + err = nfp_rtsym_write_le(app->pf->rtbl, "_abi_flower_host_mask", + app_priv->flower_ext_feats | + NFP_FL_FEATS_HOST_ACK); + if (!err) + nfp_flower_wait_host_bit(app); + else if (err != -ENOENT) + return err; + + /* Tell the firmware that the driver supports lag. */ + err = nfp_rtsym_write_le(app->pf->rtbl, + "_abi_flower_balance_sync_enable", 1); + if (!err) { + app_priv->flower_en_feats |= NFP_FL_ENABLE_LAG; + nfp_flower_lag_init(&app_priv->nfp_lag); + } else if (err == -ENOENT) { + nfp_warn(app->cpp, "LAG not supported by FW.\n"); + } else { + return err; + } + + if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MOD) { + /* Tell the firmware that the driver supports flow merging. */ + err = nfp_rtsym_write_le(app->pf->rtbl, + "_abi_flower_merge_hint_enable", 1); + if (!err) { + app_priv->flower_en_feats |= NFP_FL_ENABLE_FLOW_MERGE; + nfp_flower_internal_port_init(app_priv); + } else if (err == -ENOENT) { + nfp_warn(app->cpp, + "Flow merge not supported by FW.\n"); + } else { + return err; + } + } else { + nfp_warn(app->cpp, "Flow mod/merge not supported by FW.\n"); + } + + return 0; +} + static int nfp_flower_init(struct nfp_app *app) { u64 version, features, ctx_count, num_mems; @@ -753,35 +824,15 @@ static int nfp_flower_init(struct nfp_app *app) if (err) app_priv->flower_ext_feats = 0; else - app_priv->flower_ext_feats = features; + app_priv->flower_ext_feats = features & NFP_FL_FEATS_HOST; - /* Tell the firmware that the driver supports lag. */ - err = nfp_rtsym_write_le(app->pf->rtbl, - "_abi_flower_balance_sync_enable", 1); - if (!err) { - app_priv->flower_ext_feats |= NFP_FL_FEATS_LAG; - nfp_flower_lag_init(&app_priv->nfp_lag); - } else if (err == -ENOENT) { - nfp_warn(app->cpp, "LAG not supported by FW.\n"); - } else { - goto err_cleanup_metadata; - } + err = nfp_flower_sync_feature_bits(app); + if (err) + goto err_cleanup; - if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MOD) { - /* Tell the firmware that the driver supports flow merging. */ - err = nfp_rtsym_write_le(app->pf->rtbl, - "_abi_flower_merge_hint_enable", 1); - if (!err) { - app_priv->flower_ext_feats |= NFP_FL_FEATS_FLOW_MERGE; - nfp_flower_internal_port_init(app_priv); - } else if (err == -ENOENT) { - nfp_warn(app->cpp, "Flow merge not supported by FW.\n"); - } else { - goto err_lag_clean; - } - } else { - nfp_warn(app->cpp, "Flow mod/merge not supported by FW.\n"); - } + err = flow_indr_dev_register(nfp_flower_indr_setup_tc_cb, app); + if (err) + goto err_cleanup; if (app_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM) nfp_flower_qos_init(app); @@ -792,10 +843,9 @@ static int nfp_flower_init(struct nfp_app *app) return 0; -err_lag_clean: - if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) +err_cleanup: + if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) nfp_flower_lag_cleanup(&app_priv->nfp_lag); -err_cleanup_metadata: nfp_flower_metadata_cleanup(app); err_free_app_priv: vfree(app->priv); @@ -810,13 +860,16 @@ static void nfp_flower_clean(struct nfp_app *app) skb_queue_purge(&app_priv->cmsg_skbs_low); flush_work(&app_priv->cmsg_work); + flow_indr_dev_unregister(nfp_flower_indr_setup_tc_cb, app, + nfp_flower_setup_indr_block_cb); + if (app_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM) nfp_flower_qos_cleanup(app); - if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) + if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) nfp_flower_lag_cleanup(&app_priv->nfp_lag); - if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MERGE) + if (app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE) nfp_flower_internal_port_cleanup(app_priv); nfp_flower_metadata_cleanup(app); @@ -886,7 +939,7 @@ static int nfp_flower_start(struct nfp_app *app) struct nfp_flower_priv *app_priv = app->priv; int err; - if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) { + if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) { err = nfp_flower_lag_reset(&app_priv->nfp_lag); if (err) return err; @@ -907,16 +960,12 @@ nfp_flower_netdev_event(struct nfp_app *app, struct net_device *netdev, struct nfp_flower_priv *app_priv = app->priv; int ret; - if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) { + if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) { ret = nfp_flower_lag_netdev_event(app_priv, netdev, event, ptr); if (ret & NOTIFY_STOP_MASK) return ret; } - ret = nfp_flower_reg_indir_block_handler(app, netdev, event); - if (ret & NOTIFY_STOP_MASK) - return ret; - ret = nfp_flower_internal_port_event_handler(app, netdev, event); if (ret & NOTIFY_STOP_MASK) return ret; diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h index d55d0d33bc45..6c3dc3baf387 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.h +++ b/drivers/net/ethernet/netronome/nfp/flower/main.h @@ -44,8 +44,20 @@ struct nfp_app; #define NFP_FL_FEATS_FLOW_MOD BIT(5) #define NFP_FL_FEATS_PRE_TUN_RULES BIT(6) #define NFP_FL_FEATS_IPV6_TUN BIT(7) -#define NFP_FL_FEATS_FLOW_MERGE BIT(30) -#define NFP_FL_FEATS_LAG BIT(31) +#define NFP_FL_FEATS_HOST_ACK BIT(31) + +#define NFP_FL_ENABLE_FLOW_MERGE BIT(0) +#define NFP_FL_ENABLE_LAG BIT(1) + +#define NFP_FL_FEATS_HOST \ + (NFP_FL_FEATS_GENEVE | \ + NFP_FL_NBI_MTU_SETTING | \ + NFP_FL_FEATS_GENEVE_OPT | \ + NFP_FL_FEATS_VLAN_PCP | \ + NFP_FL_FEATS_VF_RLIM | \ + NFP_FL_FEATS_FLOW_MOD | \ + NFP_FL_FEATS_PRE_TUN_RULES | \ + NFP_FL_FEATS_IPV6_TUN) struct nfp_fl_mask_id { struct circ_buf mask_id_free_list; @@ -145,6 +157,7 @@ struct nfp_fl_internal_ports { * @mask_id_seed: Seed used for mask hash table * @flower_version: HW version of flower * @flower_ext_feats: Bitmap of extra features the HW supports + * @flower_en_feats: Bitmap of features enabled by HW * @stats_ids: List of free stats ids * @mask_ids: List of free mask ids * @mask_table: Hash table used to store masks @@ -180,6 +193,7 @@ struct nfp_flower_priv { u32 mask_id_seed; u64 flower_version; u64 flower_ext_feats; + u8 flower_en_feats; struct nfp_fl_stats_id stats_ids; struct nfp_fl_mask_id mask_ids; DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS); @@ -346,7 +360,7 @@ nfp_flower_internal_port_can_offload(struct nfp_app *app, { struct nfp_flower_priv *app_priv = app->priv; - if (!(app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MERGE)) + if (!(app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE)) return false; if (!netdev->rtnl_link_ops) return false; @@ -444,9 +458,10 @@ void nfp_flower_qos_cleanup(struct nfp_app *app); int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev, struct tc_cls_matchall_offload *flow); void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb); -int nfp_flower_reg_indir_block_handler(struct nfp_app *app, - struct net_device *netdev, - unsigned long event); +int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv, + enum tc_setup_type type, void *type_data); +int nfp_flower_setup_indr_block_cb(enum tc_setup_type type, void *type_data, + void *cb_priv); void __nfp_flower_non_repr_priv_get(struct nfp_flower_non_repr_priv *non_repr_priv); diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c index 546bc01d507d..f7f01e2e3dce 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/match.c +++ b/drivers/net/ethernet/netronome/nfp/flower/match.c @@ -74,9 +74,10 @@ nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port, return 0; } -static void +static int nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext, - struct nfp_flower_mac_mpls *msk, struct flow_rule *rule) + struct nfp_flower_mac_mpls *msk, struct flow_rule *rule, + struct netlink_ext_ack *extack) { memset(ext, 0, sizeof(struct nfp_flower_mac_mpls)); memset(msk, 0, sizeof(struct nfp_flower_mac_mpls)); @@ -97,14 +98,28 @@ nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext, u32 t_mpls; flow_rule_match_mpls(rule, &match); - t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, match.key->mpls_label) | - FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, match.key->mpls_tc) | - FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, match.key->mpls_bos) | + + /* Only support matching the first LSE */ + if (match.mask->used_lses != 1) { + NL_SET_ERR_MSG_MOD(extack, + "unsupported offload: invalid LSE depth for MPLS match offload"); + return -EOPNOTSUPP; + } + + t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, + match.key->ls[0].mpls_label) | + FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, + match.key->ls[0].mpls_tc) | + FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, + match.key->ls[0].mpls_bos) | NFP_FLOWER_MASK_MPLS_Q; ext->mpls_lse = cpu_to_be32(t_mpls); - t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, match.mask->mpls_label) | - FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, match.mask->mpls_tc) | - FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, match.mask->mpls_bos) | + t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, + match.mask->ls[0].mpls_label) | + FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, + match.mask->ls[0].mpls_tc) | + FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, + match.mask->ls[0].mpls_bos) | NFP_FLOWER_MASK_MPLS_Q; msk->mpls_lse = cpu_to_be32(t_mpls); } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { @@ -121,6 +136,8 @@ nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext, msk->mpls_lse = cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q); } } + + return 0; } static void @@ -461,9 +478,12 @@ int nfp_flower_compile_flow_match(struct nfp_app *app, msk += sizeof(struct nfp_flower_in_port); if (NFP_FLOWER_LAYER_MAC & key_ls->key_layer) { - nfp_flower_compile_mac((struct nfp_flower_mac_mpls *)ext, - (struct nfp_flower_mac_mpls *)msk, - rule); + err = nfp_flower_compile_mac((struct nfp_flower_mac_mpls *)ext, + (struct nfp_flower_mac_mpls *)msk, + rule, extack); + if (err) + return err; + ext += sizeof(struct nfp_flower_mac_mpls); msk += sizeof(struct nfp_flower_mac_mpls); } diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index c694dbc239d0..695d24b9dd92 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -1440,7 +1440,8 @@ __nfp_flower_update_merge_stats(struct nfp_app *app, ctx_id = be32_to_cpu(sub_flow->meta.host_ctx_id); priv->stats[ctx_id].pkts += pkts; priv->stats[ctx_id].bytes += bytes; - max_t(u64, priv->stats[ctx_id].used, used); + priv->stats[ctx_id].used = max_t(u64, used, + priv->stats[ctx_id].used); } } @@ -1618,8 +1619,8 @@ nfp_flower_indr_block_cb_priv_lookup(struct nfp_app *app, return NULL; } -static int nfp_flower_setup_indr_block_cb(enum tc_setup_type type, - void *type_data, void *cb_priv) +int nfp_flower_setup_indr_block_cb(enum tc_setup_type type, + void *type_data, void *cb_priv) { struct nfp_flower_indr_block_cb_priv *priv = cb_priv; struct flow_cls_offload *flower = type_data; @@ -1707,10 +1708,13 @@ nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app, return 0; } -static int +int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv, enum tc_setup_type type, void *type_data) { + if (!nfp_fl_is_netdev_to_offload(netdev)) + return -EOPNOTSUPP; + switch (type) { case TC_SETUP_BLOCK: return nfp_flower_setup_indr_tc_block(netdev, cb_priv, @@ -1719,29 +1723,3 @@ nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv, return -EOPNOTSUPP; } } - -int nfp_flower_reg_indir_block_handler(struct nfp_app *app, - struct net_device *netdev, - unsigned long event) -{ - int err; - - if (!nfp_fl_is_netdev_to_offload(netdev)) - return NOTIFY_OK; - - if (event == NETDEV_REGISTER) { - err = __flow_indr_block_cb_register(netdev, app, - nfp_flower_indr_setup_tc_cb, - app); - if (err) - nfp_flower_cmsg_warn(app, - "Indirect block reg failed - %s\n", - netdev->name); - } else if (event == NETDEV_UNREGISTER) { - __flow_indr_block_cb_unregister(netdev, - nfp_flower_indr_setup_tc_cb, - app); - } - - return NOTIFY_OK; -} |