1 files changed, 300 insertions, 0 deletions

diff --git a/src/spdk/dpdk/drivers/net/enic/enic_res.c b/src/spdk/dpdk/drivers/net/enic/enic_res.c
new file mode 100644
index 00000000..8d493ffe
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/enic/enic_res.c
@@ -0,0 +1,300 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
+ */
+
+#include "enic_compat.h"
+#include "rte_ethdev_driver.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);
+	GET_CONFIG(max_pkt_size);
+
+	/* 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_RX_MAX_PKT_SIZE)
+		enic->max_mtu = c->max_pkt_size - (ETHER_HDR_LEN + 4);
+	else
+		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_actions);
+	if (err) {
+		dev_err(enic_get_dev(enic),
+			"Error getting filter modes, %d\n", err);
+		return err;
+	}
+	vnic_dev_capable_udp_rss_weak(enic->vdev, &enic->nic_cfg_chk,
+				      &enic->udp_rss_weak);
+
+	dev_info(enic, "Flow api filter mode: %s Actions: %s%s%s\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_actions & FILTER_ACTION_RQ_STEERING_FLAG) ?
+		 "steer " : ""),
+		((enic->filter_actions & FILTER_ACTION_FILTER_ID_FLAG) ?
+		 "tag " : ""),
+		((enic->filter_actions & FILTER_ACTION_DROP_FLAG) ?
+		 "drop " : ""));
+
+	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 */
+
+	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, max 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,
+		enic->rte_dev->data->mtu, enic->max_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) ?
+			(ENIC_SETTING(enic, RSSHASH_UDPIPV4) ? "+UDP" :
+			((enic->udp_rss_weak ? "+udp" :
+			"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);
+
+	/* 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))
+		/*
+		 * IPV4 hash type handles both non-frag and frag packet types.
+		 * TCP/UDP is controlled via a separate flag below.
+		 */
+		enic->flow_type_rss_offloads |= ETH_RSS_IPV4 |
+			ETH_RSS_FRAG_IPV4 | ETH_RSS_NONFRAG_IPV4_OTHER;
+	if (ENIC_SETTING(enic, RSSHASH_TCPIPV4))
+		enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV4_TCP;
+	if (ENIC_SETTING(enic, RSSHASH_IPV6))
+		/*
+		 * The VIC adapter can perform RSS on IPv6 packets with and
+		 * without extension headers. An IPv6 "fragment" is an IPv6
+		 * packet with the fragment extension header.
+		 */
+		enic->flow_type_rss_offloads |= ETH_RSS_IPV6 |
+			ETH_RSS_IPV6_EX | ETH_RSS_FRAG_IPV6 |
+			ETH_RSS_NONFRAG_IPV6_OTHER;
+	if (ENIC_SETTING(enic, RSSHASH_TCPIPV6))
+		enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV6_TCP |
+			ETH_RSS_IPV6_TCP_EX;
+	if (enic->udp_rss_weak)
+		enic->flow_type_rss_offloads |=
+			ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP |
+			ETH_RSS_IPV6_UDP_EX;
+	if (ENIC_SETTING(enic, RSSHASH_UDPIPV4))
+		enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV4_UDP;
+	if (ENIC_SETTING(enic, RSSHASH_UDPIPV6))
+		enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV6_UDP |
+			ETH_RSS_IPV6_UDP_EX;
+
+	/* Zero offloads if RSS is not enabled */
+	if (!ENIC_SETTING(enic, RSS))
+		enic->flow_type_rss_offloads = 0;
+
+	enic->vxlan = ENIC_SETTING(enic, VXLAN) &&
+		vnic_dev_capable_vxlan(enic->vdev);
+	/*
+	 * Default hardware capabilities. enic_dev_init() may add additional
+	 * flags if it enables overlay offloads.
+	 */
+	enic->tx_queue_offload_capa = 0;
+	enic->tx_offload_capa =
+		enic->tx_queue_offload_capa |
+		DEV_TX_OFFLOAD_MULTI_SEGS |
+		DEV_TX_OFFLOAD_VLAN_INSERT |
+		DEV_TX_OFFLOAD_IPV4_CKSUM |
+		DEV_TX_OFFLOAD_UDP_CKSUM |
+		DEV_TX_OFFLOAD_TCP_CKSUM |
+		DEV_TX_OFFLOAD_TCP_TSO;
+	enic->rx_offload_capa =
+		DEV_RX_OFFLOAD_SCATTER |
+		DEV_RX_OFFLOAD_JUMBO_FRAME |
+		DEV_RX_OFFLOAD_CRC_STRIP |
+		DEV_RX_OFFLOAD_VLAN_STRIP |
+		DEV_RX_OFFLOAD_IPV4_CKSUM |
+		DEV_RX_OFFLOAD_UDP_CKSUM |
+		DEV_RX_OFFLOAD_TCP_CKSUM;
+	enic->tx_offload_mask =
+		PKT_TX_VLAN_PKT |
+		PKT_TX_IP_CKSUM |
+		PKT_TX_L4_MASK |
+		PKT_TX_TCP_SEG;
+
+	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)
+{
+	enum vnic_devcmd_cmd cmd;
+	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;
+	cmd = enic->nic_cfg_chk ? CMD_NIC_CFG_CHK : CMD_NIC_CFG;
+	return vnic_dev_cmd(enic->vdev, cmd, &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_vnic_rq_count(enic); i++)
+		if (enic->rq[i].in_use)
+			vnic_rq_free(&enic->rq[i]);
+	for (i = 0; i < enic->cq_count; i++)
+		vnic_cq_free(&enic->cq[i]);
+	for (i = 0; i < enic->intr_count; i++)
+		vnic_intr_free(&enic->intr[i]);
+}
+
+void enic_get_res_counts(struct enic *enic)
+{
+	enic->conf_wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ);
+	enic->conf_rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ);
+	enic->conf_cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ);
+	enic->conf_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->conf_wq_count, enic->conf_rq_count,
+		enic->conf_cq_count, enic->conf_intr_count);
+}