net/ixgbe: improve link state check on VF
[dpdk.git] / drivers / net / sfc / sfc_flow.c
index 38e6b73..110dfb8 100644 (file)
@@ -1,4 +1,6 @@
 /*-
+ *   BSD LICENSE
+ *
  * Copyright (c) 2017 Solarflare Communications Inc.
  * All rights reserved.
  *
@@ -76,6 +78,7 @@ static sfc_flow_item_parse sfc_flow_parse_vlan;
 static sfc_flow_item_parse sfc_flow_parse_ipv4;
 static sfc_flow_item_parse sfc_flow_parse_ipv6;
 static sfc_flow_item_parse sfc_flow_parse_tcp;
+static sfc_flow_item_parse sfc_flow_parse_udp;
 
 static boolean_t
 sfc_flow_is_zero(const uint8_t *buf, unsigned int size)
@@ -204,8 +207,10 @@ sfc_flow_parse_void(__rte_unused const struct rte_flow_item *item,
  *
  * @param item[in]
  *   Item specification. Only source and destination addresses and
- *   Ethernet type fields are supported. If the mask is NULL, default
- *   mask will be used. Ranging is not supported.
+ *   Ethernet type fields are supported. In addition to full and
+ *   empty masks of destination address, individual/group mask is
+ *   also supported. If the mask is NULL, default mask will be used.
+ *   Ranging is not supported.
  * @param efx_spec[in, out]
  *   EFX filter specification to update.
  * @param[out] error
@@ -224,6 +229,9 @@ sfc_flow_parse_eth(const struct rte_flow_item *item,
                .src.addr_bytes = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
                .type = 0xffff,
        };
+       const uint8_t ig_mask[EFX_MAC_ADDR_LEN] = {
+               0x01, 0x00, 0x00, 0x00, 0x00, 0x00
+       };
 
        rc = sfc_flow_parse_init(item,
                                 (const void **)&spec,
@@ -243,6 +251,14 @@ sfc_flow_parse_eth(const struct rte_flow_item *item,
                efx_spec->efs_match_flags |= EFX_FILTER_MATCH_LOC_MAC;
                rte_memcpy(efx_spec->efs_loc_mac, spec->dst.addr_bytes,
                           EFX_MAC_ADDR_LEN);
+       } else if (memcmp(mask->dst.addr_bytes, ig_mask,
+                         EFX_MAC_ADDR_LEN) == 0) {
+               if (is_unicast_ether_addr(&spec->dst))
+                       efx_spec->efs_match_flags |=
+                               EFX_FILTER_MATCH_UNKNOWN_UCAST_DST;
+               else
+                       efx_spec->efs_match_flags |=
+                               EFX_FILTER_MATCH_UNKNOWN_MCAST_DST;
        } else if (!is_zero_ether_addr(&mask->dst)) {
                goto fail_bad_mask;
        }
@@ -621,6 +637,87 @@ fail_bad_mask:
        return -rte_errno;
 }
 
+/**
+ * Convert UDP item to EFX filter specification.
+ *
+ * @param item[in]
+ *   Item specification. Only source and destination ports fields
+ *   are supported. If the mask is NULL, default mask will be used.
+ *   Ranging is not supported.
+ * @param efx_spec[in, out]
+ *   EFX filter specification to update.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL.
+ */
+static int
+sfc_flow_parse_udp(const struct rte_flow_item *item,
+                  efx_filter_spec_t *efx_spec,
+                  struct rte_flow_error *error)
+{
+       int rc;
+       const struct rte_flow_item_udp *spec = NULL;
+       const struct rte_flow_item_udp *mask = NULL;
+       const struct rte_flow_item_udp supp_mask = {
+               .hdr = {
+                       .src_port = 0xffff,
+                       .dst_port = 0xffff,
+               }
+       };
+
+       rc = sfc_flow_parse_init(item,
+                                (const void **)&spec,
+                                (const void **)&mask,
+                                &supp_mask,
+                                &rte_flow_item_udp_mask,
+                                sizeof(struct rte_flow_item_udp),
+                                error);
+       if (rc != 0)
+               return rc;
+
+       /*
+        * Filtering by UDP source and destination ports requires
+        * the appropriate IP_PROTO in hardware filters
+        */
+       if (!(efx_spec->efs_match_flags & EFX_FILTER_MATCH_IP_PROTO)) {
+               efx_spec->efs_match_flags |= EFX_FILTER_MATCH_IP_PROTO;
+               efx_spec->efs_ip_proto = EFX_IPPROTO_UDP;
+       } else if (efx_spec->efs_ip_proto != EFX_IPPROTO_UDP) {
+               rte_flow_error_set(error, EINVAL,
+                       RTE_FLOW_ERROR_TYPE_ITEM, item,
+                       "IP proto in pattern with UDP item should be appropriate");
+               return -rte_errno;
+       }
+
+       if (spec == NULL)
+               return 0;
+
+       /*
+        * Source and destination ports are in big-endian byte order in item and
+        * in little-endian in efx_spec, so byte swap is used
+        */
+       if (mask->hdr.src_port == supp_mask.hdr.src_port) {
+               efx_spec->efs_match_flags |= EFX_FILTER_MATCH_REM_PORT;
+               efx_spec->efs_rem_port = rte_bswap16(spec->hdr.src_port);
+       } else if (mask->hdr.src_port != 0) {
+               goto fail_bad_mask;
+       }
+
+       if (mask->hdr.dst_port == supp_mask.hdr.dst_port) {
+               efx_spec->efs_match_flags |= EFX_FILTER_MATCH_LOC_PORT;
+               efx_spec->efs_loc_port = rte_bswap16(spec->hdr.dst_port);
+       } else if (mask->hdr.dst_port != 0) {
+               goto fail_bad_mask;
+       }
+
+       return 0;
+
+fail_bad_mask:
+       rte_flow_error_set(error, EINVAL,
+                          RTE_FLOW_ERROR_TYPE_ITEM, item,
+                          "Bad mask in the UDP pattern item");
+       return -rte_errno;
+}
+
 static const struct sfc_flow_item sfc_flow_items[] = {
        {
                .type = RTE_FLOW_ITEM_TYPE_VOID,
@@ -658,6 +755,12 @@ static const struct sfc_flow_item sfc_flow_items[] = {
                .layer = SFC_FLOW_ITEM_L4,
                .parse = sfc_flow_parse_tcp,
        },
+       {
+               .type = RTE_FLOW_ITEM_TYPE_UDP,
+               .prev_layer = SFC_FLOW_ITEM_L3,
+               .layer = SFC_FLOW_ITEM_L4,
+               .parse = sfc_flow_parse_udp,
+       },
 };
 
 /*
@@ -734,8 +837,7 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
                return -rte_errno;
        }
 
-       for (; pattern != NULL &&
-              pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
+       for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
                item = sfc_flow_get_item(pattern->type);
                if (item == NULL) {
                        rte_flow_error_set(error, ENOTSUP,
@@ -765,13 +867,6 @@ sfc_flow_parse_pattern(const struct rte_flow_item pattern[],
                        prev_layer = item->layer;
        }
 
-       if (pattern == NULL) {
-               rte_flow_error_set(error, EINVAL,
-                                  RTE_FLOW_ERROR_TYPE_ITEM, NULL,
-                                  "NULL item");
-               return -rte_errno;
-       }
-
        return 0;
 }
 
@@ -1017,12 +1112,35 @@ sfc_flow_flush(struct rte_eth_dev *dev,
        return -ret;
 }
 
+static int
+sfc_flow_isolate(struct rte_eth_dev *dev, int enable,
+                struct rte_flow_error *error)
+{
+       struct sfc_adapter *sa = dev->data->dev_private;
+       struct sfc_port *port = &sa->port;
+       int ret = 0;
+
+       sfc_adapter_lock(sa);
+       if (sa->state != SFC_ADAPTER_INITIALIZED) {
+               rte_flow_error_set(error, EBUSY,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                  NULL, "please close the port first");
+               ret = -rte_errno;
+       } else {
+               port->isolated = (enable) ? B_TRUE : B_FALSE;
+       }
+       sfc_adapter_unlock(sa);
+
+       return ret;
+}
+
 const struct rte_flow_ops sfc_flow_ops = {
        .validate = sfc_flow_validate,
        .create = sfc_flow_create,
        .destroy = sfc_flow_destroy,
        .flush = sfc_flow_flush,
        .query = NULL,
+       .isolate = sfc_flow_isolate,
 };
 
 void