Imported Upstream version 16.04
[deb_dpdk.git] / drivers / net / enic / enic_res.c
diff --git a/drivers/net/enic/enic_res.c b/drivers/net/enic/enic_res.c
new file mode 100644 (file)
index 0000000..ebe379d
--- /dev/null
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2008-2010 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 "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "cq_enet_desc.h"
+#include "vnic_resource.h"
+#include "vnic_enet.h"
+#include "vnic_dev.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "vnic_cq.h"
+#include "vnic_intr.h"
+#include "vnic_stats.h"
+#include "vnic_nic.h"
+#include "vnic_rss.h"
+#include "enic_res.h"
+#include "enic.h"
+
+int enic_get_vnic_config(struct enic *enic)
+{
+       struct vnic_enet_config *c = &enic->config;
+       int err;
+
+       err = vnic_dev_get_mac_addr(enic->vdev, enic->mac_addr);
+       if (err) {
+               dev_err(enic_get_dev(enic),
+                       "Error getting MAC addr, %d\n", err);
+               return err;
+       }
+
+#define GET_CONFIG(m) \
+       do { \
+               err = vnic_dev_spec(enic->vdev, \
+                       offsetof(struct vnic_enet_config, m), \
+                       sizeof(c->m), &c->m); \
+               if (err) { \
+                       dev_err(enic_get_dev(enic), \
+                               "Error getting %s, %d\n", #m, err); \
+                       return err; \
+               } \
+       } while (0)
+
+       GET_CONFIG(flags);
+       GET_CONFIG(wq_desc_count);
+       GET_CONFIG(rq_desc_count);
+       GET_CONFIG(mtu);
+       GET_CONFIG(intr_timer_type);
+       GET_CONFIG(intr_mode);
+       GET_CONFIG(intr_timer_usec);
+       GET_CONFIG(loop_tag);
+       GET_CONFIG(num_arfs);
+
+       c->wq_desc_count =
+               min_t(u32, ENIC_MAX_WQ_DESCS,
+               max_t(u32, ENIC_MIN_WQ_DESCS,
+               c->wq_desc_count));
+       c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
+
+       c->rq_desc_count =
+               min_t(u32, ENIC_MAX_RQ_DESCS,
+               max_t(u32, ENIC_MIN_RQ_DESCS,
+               c->rq_desc_count));
+       c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
+
+       if (c->mtu == 0)
+               c->mtu = 1500;
+       c->mtu = min_t(u16, ENIC_MAX_MTU,
+               max_t(u16, ENIC_MIN_MTU,
+               c->mtu));
+
+       c->intr_timer_usec = min_t(u32, c->intr_timer_usec,
+               vnic_dev_get_intr_coal_timer_max(enic->vdev));
+
+       dev_info(enic_get_dev(enic),
+               "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
+               "wq/rq %d/%d mtu %d\n",
+               enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2],
+               enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5],
+               c->wq_desc_count, c->rq_desc_count, c->mtu);
+       dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s "
+               "rss %s intr mode %s type %s timer %d usec "
+               "loopback tag 0x%04x\n",
+               ENIC_SETTING(enic, TXCSUM) ? "yes" : "no",
+               ENIC_SETTING(enic, RXCSUM) ? "yes" : "no",
+               ENIC_SETTING(enic, RSS) ? "yes" : "no",
+               c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" :
+               c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" :
+               c->intr_mode == VENET_INTR_MODE_ANY ? "any" :
+               "unknown",
+               c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" :
+               c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" :
+               "unknown",
+               c->intr_timer_usec,
+               c->loop_tag);
+
+       return 0;
+}
+
+int enic_add_vlan(struct enic *enic, u16 vlanid)
+{
+       u64 a0 = vlanid, a1 = 0;
+       int wait = 1000;
+       int err;
+
+       err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait);
+       if (err)
+               dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err);
+
+       return err;
+}
+
+int enic_del_vlan(struct enic *enic, u16 vlanid)
+{
+       u64 a0 = vlanid, a1 = 0;
+       int wait = 1000;
+       int err;
+
+       err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait);
+       if (err)
+               dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err);
+
+       return err;
+}
+
+int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
+       u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
+       u8 ig_vlan_strip_en)
+{
+       u64 a0, a1;
+       u32 nic_cfg;
+       int wait = 1000;
+
+       vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
+               rss_hash_type, rss_hash_bits, rss_base_cpu,
+               rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
+
+       a0 = nic_cfg;
+       a1 = 0;
+
+       return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
+}
+
+int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len)
+{
+       u64 a0 = (u64)key_pa, a1 = len;
+       int wait = 1000;
+
+       return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait);
+}
+
+int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len)
+{
+       u64 a0 = (u64)cpu_pa, a1 = len;
+       int wait = 1000;
+
+       return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait);
+}
+
+void enic_free_vnic_resources(struct enic *enic)
+{
+       unsigned int i;
+
+       for (i = 0; i < enic->wq_count; i++)
+               vnic_wq_free(&enic->wq[i]);
+       for (i = 0; i < enic->rq_count; i++)
+               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);
+}
+
+void enic_get_res_counts(struct enic *enic)
+{
+       enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ);
+       enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ);
+       enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ);
+       enic->intr_count = vnic_dev_get_res_count(enic->vdev,
+               RES_TYPE_INTR_CTRL);
+
+       dev_info(enic_get_dev(enic),
+               "vNIC resources avail: wq %d rq %d cq %d intr %d\n",
+               enic->wq_count, enic->rq_count,
+               enic->cq_count, enic->intr_count);
+}