net/enic: support UDP RSS on 1400 series adapters

[dpdk.git] / drivers / net / enic / enic_res.c

diff --git a/drivers/net/enic/enic_res.c b/drivers/net/enic/enic_res.c
index 84c5d33..abe6929 100644 (file)
--- a/drivers/net/enic/enic_res.c
+++ b/drivers/net/enic/enic_res.c
@@ -1,39 +1,10 @@
-/*
- * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
- *
- * Copyright (c) 2014, Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
 #include "enic_compat.h"
-#include "rte_ethdev.h"
+#include "rte_ethdev_driver.h"
 #include "wq_enet_desc.h"
 #include "rq_enet_desc.h"
 #include "cq_enet_desc.h"
@@ -62,6 +33,7 @@ int enic_get_vnic_config(struct enic *enic)
                return err;
        }
 
+
 #define GET_CONFIG(m) \
        do { \
                err = vnic_dev_spec(enic->vdev, \
@@ -88,16 +60,36 @@ int enic_get_vnic_config(struct enic *enic)
        /* max packet size is only defined in newer VIC firmware
         * and will be 0 for legacy firmware and VICs
         */
-       if (c->max_pkt_size > ENIC_DEFAULT_MAX_PKT_SIZE)
+       if (c->max_pkt_size > ENIC_DEFAULT_RX_MAX_PKT_SIZE)
                enic->max_mtu = c->max_pkt_size - (ETHER_HDR_LEN + 4);
        else
-               enic->max_mtu = ENIC_DEFAULT_MAX_PKT_SIZE - (ETHER_HDR_LEN + 4);
+               enic->max_mtu = ENIC_DEFAULT_RX_MAX_PKT_SIZE
+                               - (ETHER_HDR_LEN + 4);
        if (c->mtu == 0)
                c->mtu = 1500;
 
        enic->rte_dev->data->mtu = min_t(u16, enic->max_mtu,
                                         max_t(u16, ENIC_MIN_MTU, c->mtu));
 
+       enic->adv_filters = vnic_dev_capable_adv_filters(enic->vdev);
+       dev_info(enic, "Advanced Filters %savailable\n", ((enic->adv_filters)
+                ? "" : "not "));
+
+       err = vnic_dev_capable_filter_mode(enic->vdev, &enic->flow_filter_mode,
+                                          &enic->filter_tags);
+       if (err) {
+               dev_err(enic_get_dev(enic),
+                       "Error getting filter modes, %d\n", err);
+               return err;
+       }
+
+       dev_info(enic, "Flow api filter mode: %s, Filter tagging %savailable\n",
+               ((enic->flow_filter_mode == FILTER_DPDK_1) ? "DPDK" :
+               ((enic->flow_filter_mode == FILTER_USNIC_IP) ? "USNIC" :
+               ((enic->flow_filter_mode == FILTER_IPV4_5TUPLE) ? "5TUPLE" :
+               "NONE"))),
+               ((enic->filter_tags) ? "" : "not "));
+
        c->wq_desc_count =
                min_t(u32, ENIC_MAX_WQ_DESCS,
                max_t(u32, ENIC_MIN_WQ_DESCS,
@@ -136,6 +128,31 @@ int enic_get_vnic_config(struct enic *enic)
                c->intr_timer_usec,
                c->loop_tag);
 
+       /* RSS settings from vNIC */
+       enic->reta_size = ENIC_RSS_RETA_SIZE;
+       enic->hash_key_size = ENIC_RSS_HASH_KEY_SIZE;
+       enic->flow_type_rss_offloads = 0;
+       if (ENIC_SETTING(enic, RSSHASH_IPV4))
+               enic->flow_type_rss_offloads |= ETH_RSS_IPV4;
+       if (ENIC_SETTING(enic, RSSHASH_TCPIPV4))
+               enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV4_TCP;
+       if (ENIC_SETTING(enic, RSSHASH_IPV6))
+               enic->flow_type_rss_offloads |= ETH_RSS_IPV6;
+       if (ENIC_SETTING(enic, RSSHASH_TCPIPV6))
+               enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV6_TCP;
+       if (ENIC_SETTING(enic, RSSHASH_IPV6_EX))
+               enic->flow_type_rss_offloads |= ETH_RSS_IPV6_EX;
+       if (ENIC_SETTING(enic, RSSHASH_TCPIPV6_EX))
+               enic->flow_type_rss_offloads |= ETH_RSS_IPV6_TCP_EX;
+       if (vnic_dev_capable_udp_rss(enic->vdev)) {
+               enic->flow_type_rss_offloads |=
+                       ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP;
+       }
+
+       /* Zero offloads if RSS is not enabled */
+       if (!ENIC_SETTING(enic, RSS))
+               enic->flow_type_rss_offloads = 0;
+
        return 0;
 }
 
@@ -210,7 +227,8 @@ void enic_free_vnic_resources(struct enic *enic)
                        vnic_rq_free(&enic->rq[i]);
        for (i = 0; i < enic->cq_count; i++)
                vnic_cq_free(&enic->cq[i]);
-       vnic_intr_free(&enic->intr);
+       for (i = 0; i < enic->intr_count; i++)
+               vnic_intr_free(&enic->intr[i]);
 }
 
 void enic_get_res_counts(struct enic *enic)