X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fenic%2Fbase%2Fvnic_dev.c;h=fd303fece7f896e777dd12d0181c0def613e4239;hb=8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82;hp=49b36555b709fa0ed45148de0bbe1528b3bd38fe;hpb=f239aed5e674965691846e8ce3f187dd47523689;p=deb_dpdk.git

diff --git a/drivers/net/enic/base/vnic_dev.c b/drivers/net/enic/base/vnic_dev.c
index 49b36555..fd303fec 100644
--- a/drivers/net/enic/base/vnic_dev.c
+++ b/drivers/net/enic/base/vnic_dev.c
@@ -1,35 +1,6 @@
-/*
- * Copyright 2008-2014 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 <rte_memzone.h>
@@ -39,6 +10,7 @@
 #include "vnic_dev.h"
 #include "vnic_resource.h"
 #include "vnic_devcmd.h"
+#include "vnic_nic.h"
 #include "vnic_stats.h"
 
 
@@ -78,7 +50,6 @@ struct vnic_dev {
 	enum vnic_proxy_type proxy;
 	u32 proxy_index;
 	u64 args[VNIC_DEVCMD_NARGS];
-	u16 split_hdr_size;
 	int in_reset;
 	struct vnic_intr_coal_timer_info intr_coal_timer_info;
 	void *(*alloc_consistent)(void *priv, size_t size,
@@ -86,6 +57,9 @@ struct vnic_dev {
 	void (*free_consistent)(void *priv,
 		size_t size, void *vaddr,
 		dma_addr_t dma_handle);
+	struct vnic_counter_counts *flow_counters;
+	dma_addr_t flow_counters_pa;
+	u8 flow_counters_dma_active;
 };
 
 #define VNIC_MAX_RES_HDR_SIZE \
@@ -93,6 +67,8 @@ struct vnic_dev {
 	sizeof(struct vnic_resource) * RES_TYPE_MAX)
 #define VNIC_RES_STRIDE	128
 
+#define VNIC_MAX_FLOW_COUNTERS 2048
+
 void *vnic_dev_priv(struct vnic_dev *vdev)
 {
 	return vdev->priv;
@@ -251,16 +227,6 @@ unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
 	return ring->size_unaligned;
 }
 
-void vnic_set_hdr_split_size(struct vnic_dev *vdev, u16 size)
-{
-	vdev->split_hdr_size = size;
-}
-
-u16 vnic_get_hdr_split_size(struct vnic_dev *vdev)
-{
-	return vdev->split_hdr_size;
-}
-
 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring)
 {
 	memset(ring->descs, 0, ring->size);
@@ -272,7 +238,7 @@ int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev,
 	__attribute__((unused)) unsigned int socket_id,
 	char *z_name)
 {
-	void *alloc_addr = NULL;
+	void *alloc_addr;
 	dma_addr_t alloc_pa = 0;
 
 	vnic_dev_desc_ring_size(ring, desc_count, desc_size);
@@ -443,24 +409,6 @@ static int vnic_dev_cmd_no_proxy(struct vnic_dev *vdev,
 	return err;
 }
 
-void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index)
-{
-	vdev->proxy = PROXY_BY_INDEX;
-	vdev->proxy_index = index;
-}
-
-void vnic_dev_cmd_proxy_by_bdf_start(struct vnic_dev *vdev, u16 bdf)
-{
-	vdev->proxy = PROXY_BY_BDF;
-	vdev->proxy_index = bdf;
-}
-
-void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev)
-{
-	vdev->proxy = PROXY_NONE;
-	vdev->proxy_index = 0;
-}
-
 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
 	u64 *a0, u64 *a1, int wait)
 {
@@ -542,7 +490,7 @@ int vnic_dev_capable_adv_filters(struct vnic_dev *vdev)
  *   Retrun true in filter_tags if supported
  */
 int vnic_dev_capable_filter_mode(struct vnic_dev *vdev, u32 *mode,
-				 u8 *filter_tags)
+				 u8 *filter_actions)
 {
 	u64 args[4];
 	int err;
@@ -550,14 +498,10 @@ int vnic_dev_capable_filter_mode(struct vnic_dev *vdev, u32 *mode,
 
 	err = vnic_dev_advanced_filters_cap(vdev, args, 4);
 
-	/* determine if filter tags are available */
-	if (err)
-		*filter_tags = 0;
-	if ((args[2] == FILTER_CAP_MODE_V1) &&
-	    (args[3] & FILTER_ACTION_FILTER_ID_FLAG))
-		*filter_tags = 1;
-	else
-		*filter_tags = 0;
+	/* determine supported filter actions */
+	*filter_actions = FILTER_ACTION_RQ_STEERING_FLAG; /* always available */
+	if (args[2] == FILTER_CAP_MODE_V1)
+		*filter_actions = args[3];
 
 	if (err || ((args[0] == 1) && (args[1] == 0))) {
 		/* Adv filter Command not supported or adv filters available but
@@ -589,6 +533,22 @@ parse_max_level:
 	return 0;
 }
 
+void vnic_dev_capable_udp_rss_weak(struct vnic_dev *vdev, bool *cfg_chk,
+				   bool *weak)
+{
+	u64 a0 = CMD_NIC_CFG, a1 = 0;
+	int wait = 1000;
+	int err;
+
+	*cfg_chk = false;
+	*weak = false;
+	err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait);
+	if (err == 0 && a0 != 0 && a1 != 0) {
+		*cfg_chk = true;
+		*weak = !!((a1 >> 32) & CMD_NIC_CFG_CAPF_UDP_WEAK);
+	}
+}
+
 int vnic_dev_capable(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd)
 {
 	u64 a0 = (u32)cmd, a1 = 0;
@@ -645,17 +605,9 @@ int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
 {
 	u64 a0, a1;
 	int wait = 1000;
-	static u32 instance;
-	char name[NAME_MAX];
 
-	if (!vdev->stats) {
-		snprintf((char *)name, sizeof(name),
-			"vnic_stats-%d", instance++);
-		vdev->stats = vdev->alloc_consistent(vdev->priv,
-			sizeof(struct vnic_stats), &vdev->stats_pa, (u8 *)name);
-		if (!vdev->stats)
-			return -ENOMEM;
-	}
+	if (!vdev->stats)
+		return -ENOMEM;
 
 	*stats = vdev->stats;
 	a0 = vdev->stats_pa;
@@ -664,21 +616,41 @@ int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats)
 	return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait);
 }
 
-int vnic_dev_close(struct vnic_dev *vdev)
+/*
+ * Configure counter DMA
+ */
+int vnic_dev_counter_dma_cfg(struct vnic_dev *vdev, u32 period,
+			     u32 num_counters)
 {
-	u64 a0 = 0, a1 = 0;
+	u64 args[3];
 	int wait = 1000;
+	int err;
 
-	return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait);
+	if (num_counters > VNIC_MAX_FLOW_COUNTERS)
+		return -ENOMEM;
+	if (period > 0 && (period < VNIC_COUNTER_DMA_MIN_PERIOD ||
+	    num_counters == 0))
+		return -EINVAL;
+
+	args[0] = num_counters;
+	args[1] = vdev->flow_counters_pa;
+	args[2] = period;
+	err =  vnic_dev_cmd_args(vdev, CMD_COUNTER_DMA_CONFIG, args, 3, wait);
+
+	/* record if DMAs need to be stopped on close */
+	if (!err)
+		vdev->flow_counters_dma_active = (num_counters != 0 &&
+						  period != 0);
+
+	return err;
 }
 
-/** Deprecated.  @see vnic_dev_enable_wait */
-int vnic_dev_enable(struct vnic_dev *vdev)
+int vnic_dev_close(struct vnic_dev *vdev)
 {
 	u64 a0 = 0, a1 = 0;
 	int wait = 1000;
 
-	return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait);
+	return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait);
 }
 
 int vnic_dev_enable_wait(struct vnic_dev *vdev)
@@ -725,31 +697,6 @@ int vnic_dev_open_done(struct vnic_dev *vdev, int *done)
 	return 0;
 }
 
-int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg)
-{
-	u64 a0 = (u32)arg, a1 = 0;
-	int wait = 1000;
-
-	return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait);
-}
-
-int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done)
-{
-	u64 a0 = 0, a1 = 0;
-	int wait = 1000;
-	int err;
-
-	*done = 0;
-
-	err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait);
-	if (err)
-		return err;
-
-	*done = (a0 == 0);
-
-	return 0;
-}
-
 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
 {
 	u64 a0 = 0, a1 = 0;
@@ -840,19 +787,6 @@ int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
 		return 0;
 }
 
-int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr)
-{
-	u64 a0 = intr, a1 = 0;
-	int wait = 1000;
-	int err;
-
-	err = vnic_dev_cmd(vdev, CMD_IAR, &a0, &a1, wait);
-	if (err)
-		pr_err("Failed to raise INTR[%d], err %d\n", intr, err);
-
-	return err;
-}
-
 void vnic_dev_set_reset_flag(struct vnic_dev *vdev, int state)
 {
 	vdev->in_reset = state;
@@ -900,7 +834,7 @@ int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
 	}
 	if (!vnic_dev_in_reset(vdev)) {
 		snprintf((char *)name, sizeof(name),
-			"vnic_notify-%d", instance++);
+			"vnic_notify-%u", instance++);
 		notify_addr = vdev->alloc_consistent(vdev->priv,
 			sizeof(struct vnic_devcmd_notify),
 			&notify_pa, (u8 *)name);
@@ -985,14 +919,6 @@ int vnic_dev_init(struct vnic_dev *vdev, int arg)
 	return r;
 }
 
-int vnic_dev_deinit(struct vnic_dev *vdev)
-{
-	u64 a0 = 0, a1 = 0;
-	int wait = 1000;
-
-	return vnic_dev_cmd(vdev, CMD_DEINIT, &a0, &a1, wait);
-}
-
 void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev)
 {
 	/* Default: hardware intr coal timer is in units of 1.5 usecs */
@@ -1018,18 +944,6 @@ u32 vnic_dev_port_speed(struct vnic_dev *vdev)
 	return vdev->notify_copy.port_speed;
 }
 
-void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
-	enum vnic_dev_intr_mode intr_mode)
-{
-	vdev->intr_mode = intr_mode;
-}
-
-enum vnic_dev_intr_mode vnic_dev_get_intr_mode(
-	struct vnic_dev *vdev)
-{
-	return vdev->intr_mode;
-}
-
 u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec)
 {
 	return (usec * vdev->intr_coal_timer_info.mul) /
@@ -1047,6 +961,36 @@ u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev)
 	return vdev->intr_coal_timer_info.max_usec;
 }
 
+int vnic_dev_alloc_stats_mem(struct vnic_dev *vdev)
+{
+	char name[NAME_MAX];
+	static u32 instance;
+
+	snprintf((char *)name, sizeof(name), "vnic_stats-%u", instance++);
+	vdev->stats = vdev->alloc_consistent(vdev->priv,
+					     sizeof(struct vnic_stats),
+					     &vdev->stats_pa, (u8 *)name);
+	return vdev->stats == NULL ? -ENOMEM : 0;
+}
+
+/*
+ * Initialize for up to VNIC_MAX_FLOW_COUNTERS
+ */
+int vnic_dev_alloc_counter_mem(struct vnic_dev *vdev)
+{
+	char name[NAME_MAX];
+	static u32 instance;
+
+	snprintf((char *)name, sizeof(name), "vnic_flow_ctrs-%u", instance++);
+	vdev->flow_counters = vdev->alloc_consistent(vdev->priv,
+					     sizeof(struct vnic_counter_counts)
+					     * VNIC_MAX_FLOW_COUNTERS,
+					     &vdev->flow_counters_pa,
+					     (u8 *)name);
+	vdev->flow_counters_dma_active = 0;
+	return vdev->flow_counters == NULL ? -ENOMEM : 0;
+}
+
 void vnic_dev_unregister(struct vnic_dev *vdev)
 {
 	if (vdev) {
@@ -1059,11 +1003,21 @@ void vnic_dev_unregister(struct vnic_dev *vdev)
 			vdev->free_consistent(vdev->priv,
 				sizeof(struct vnic_stats),
 				vdev->stats, vdev->stats_pa);
+		if (vdev->flow_counters) {
+			/* turn off counter DMAs before freeing memory */
+			if (vdev->flow_counters_dma_active)
+				vnic_dev_counter_dma_cfg(vdev, 0, 0);
+
+			vdev->free_consistent(vdev->priv,
+				sizeof(struct vnic_counter_counts)
+				* VNIC_MAX_FLOW_COUNTERS,
+				vdev->flow_counters, vdev->flow_counters_pa);
+		}
 		if (vdev->fw_info)
 			vdev->free_consistent(vdev->priv,
 				sizeof(struct vnic_devcmd_fw_info),
 				vdev->fw_info, vdev->fw_info_pa);
-		kfree(vdev);
+		rte_free(vdev);
 	}
 }
 
@@ -1072,7 +1026,13 @@ struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
 	unsigned int num_bars)
 {
 	if (!vdev) {
-		vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC);
+		char name[NAME_MAX];
+		snprintf((char *)name, sizeof(name), "%s-vnic",
+			  pdev->device.name);
+		vdev = (struct vnic_dev *)rte_zmalloc_socket(name,
+					sizeof(struct vnic_dev),
+					RTE_CACHE_LINE_SIZE,
+					pdev->device.numa_node);
 		if (!vdev)
 			return NULL;
 	}
@@ -1094,23 +1054,6 @@ err_out:
 	return NULL;
 }
 
-struct rte_pci_device *vnic_dev_get_pdev(struct vnic_dev *vdev)
-{
-	return vdev->pdev;
-}
-
-int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
-{
-	u64 a0, a1 = 0;
-	int wait = 1000;
-	int i;
-
-	for (i = 0; i < ETH_ALEN; i++)
-		((u8 *)&a0)[i] = mac_addr[i];
-
-	return vnic_dev_cmd(vdev, CMD_SET_MAC_ADDR, &a0, &a1, wait);
-}
-
 /*
  *  vnic_dev_classifier: Add/Delete classifier entries
  *  @vdev: vdev of the device
@@ -1150,7 +1093,7 @@ int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
 		tlv_size = filter_size + action_size +
 		    2*sizeof(struct filter_tlv);
 		snprintf((char *)z_name, sizeof(z_name),
-			"vnic_clsf_%d", unique_id++);
+			"vnic_clsf_%u", unique_id++);
 		tlv_va = vdev->alloc_consistent(vdev->priv,
 			tlv_size, &tlv_pa, (u8 *)z_name);
 		if (!tlv_va)
@@ -1180,3 +1123,79 @@ int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
 
 	return ret;
 }
+
+int vnic_dev_overlay_offload_ctrl(struct vnic_dev *vdev, u8 overlay, u8 config)
+{
+	u64 a0 = overlay;
+	u64 a1 = config;
+	int wait = 1000;
+
+	return vnic_dev_cmd(vdev, CMD_OVERLAY_OFFLOAD_CTRL, &a0, &a1, wait);
+}
+
+int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay,
+				 u16 vxlan_udp_port_number)
+{
+	u64 a1 = vxlan_udp_port_number;
+	u64 a0 = overlay;
+	int wait = 1000;
+
+	return vnic_dev_cmd(vdev, CMD_OVERLAY_OFFLOAD_CFG, &a0, &a1, wait);
+}
+
+int vnic_dev_capable_vxlan(struct vnic_dev *vdev)
+{
+	u64 a0 = VIC_FEATURE_VXLAN;
+	u64 a1 = 0;
+	int wait = 1000;
+	int ret;
+
+	ret = vnic_dev_cmd(vdev, CMD_GET_SUPP_FEATURE_VER, &a0, &a1, wait);
+	/* 1 if the NIC can do VXLAN for both IPv4 and IPv6 with multiple WQs */
+	return ret == 0 &&
+		(a1 & (FEATURE_VXLAN_IPV6 | FEATURE_VXLAN_MULTI_WQ)) ==
+		(FEATURE_VXLAN_IPV6 | FEATURE_VXLAN_MULTI_WQ);
+}
+
+bool vnic_dev_counter_alloc(struct vnic_dev *vdev, uint32_t *idx)
+{
+	u64 a0 = 0;
+	u64 a1 = 0;
+	int wait = 1000;
+
+	if (vnic_dev_cmd(vdev, CMD_COUNTER_ALLOC, &a0, &a1, wait))
+		return false;
+	*idx = (uint32_t)a0;
+	return true;
+}
+
+bool vnic_dev_counter_free(struct vnic_dev *vdev, uint32_t idx)
+{
+	u64 a0 = idx;
+	u64 a1 = 0;
+	int wait = 1000;
+
+	return vnic_dev_cmd(vdev, CMD_COUNTER_FREE, &a0, &a1,
+			    wait) == 0;
+}
+
+bool vnic_dev_counter_query(struct vnic_dev *vdev, uint32_t idx,
+			    bool reset, uint64_t *packets, uint64_t *bytes)
+{
+	u64 a0 = idx;
+	u64 a1 = reset ? 1 : 0;
+	int wait = 1000;
+
+	if (reset) {
+		/* query/reset returns updated counters */
+		if (vnic_dev_cmd(vdev, CMD_COUNTER_QUERY, &a0, &a1, wait))
+			return false;
+		*packets = a0;
+		*bytes = a1;
+	} else {
+		/* Get values DMA'd from the adapter */
+		*packets = vdev->flow_counters[idx].vcc_packets;
+		*bytes = vdev->flow_counters[idx].vcc_bytes;
+	}
+	return true;
+}