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path: root/drivers/net/ethernet/netronome/nfp/flower
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/action.c4
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/cmsg.c4
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/main.c125
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/main.h27
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/match.c42
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/offload.c38
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;
-}