--- /dev/null
+/*
+ * Copyright (c) 2017 Netronome 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
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * 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.
+ */
+
+/*
+ * vim:shiftwidth=8:noexpandtab
+ *
+ * @file dpdk/pmd/nfp_net_eth.h
+ *
+ * Netronome NFP_NET PDM driver
+ */
+
+union eth_table_entry {
+ struct {
+ uint64_t port;
+ uint64_t state;
+ uint8_t mac_addr[6];
+ uint8_t resv[2];
+ uint64_t control;
+ };
+ uint64_t raw[4];
+};
+
+#ifndef BIT_ULL
+#define BIT_ULL(a) (1ULL << (a))
+#endif
+
+#define NSP_ETH_NBI_PORT_COUNT 24
+#define NSP_ETH_MAX_COUNT (2 * NSP_ETH_NBI_PORT_COUNT)
+#define NSP_ETH_TABLE_SIZE (NSP_ETH_MAX_COUNT * sizeof(union eth_table_entry))
+
+#define NSP_ETH_PORT_LANES 0xf
+#define NSP_ETH_PORT_INDEX 0xff00
+#define NSP_ETH_PORT_LABEL 0x3f000000000000
+#define NSP_ETH_PORT_PHYLABEL 0xfc0000000000000
+
+#define NSP_ETH_PORT_LANES_MASK rte_cpu_to_le_64(NSP_ETH_PORT_LANES)
+
+#define NSP_ETH_STATE_CONFIGURED BIT_ULL(0)
+#define NSP_ETH_STATE_ENABLED BIT_ULL(1)
+#define NSP_ETH_STATE_TX_ENABLED BIT_ULL(2)
+#define NSP_ETH_STATE_RX_ENABLED BIT_ULL(3)
+#define NSP_ETH_STATE_RATE 0xf00
+#define NSP_ETH_STATE_INTERFACE 0xff000
+#define NSP_ETH_STATE_MEDIA 0x300000
+#define NSP_ETH_STATE_OVRD_CHNG BIT_ULL(22)
+#define NSP_ETH_STATE_ANEG 0x3800000
+
+#define NSP_ETH_CTRL_CONFIGURED BIT_ULL(0)
+#define NSP_ETH_CTRL_ENABLED BIT_ULL(1)
+#define NSP_ETH_CTRL_TX_ENABLED BIT_ULL(2)
+#define NSP_ETH_CTRL_RX_ENABLED BIT_ULL(3)
+#define NSP_ETH_CTRL_SET_RATE BIT_ULL(4)
+#define NSP_ETH_CTRL_SET_LANES BIT_ULL(5)
+#define NSP_ETH_CTRL_SET_ANEG BIT_ULL(6)
#include <fcntl.h>
#include <rte_log.h>
+#include <rte_byteorder.h>
#include "nfp_nfpu.h"
+#include "nfp_net_eth.h"
#define CFG_EXP_BAR_ADDR_SZ 1
#define CFG_EXP_BAR_MAP_TYPE 1
#define NSP_STATUS_MINOR(x) (int)(((x) >> 32) & 0xfff)
/* NSP commands */
-#define NSP_CMD_RESET 1
-#define NSP_CMD_FW_LOAD 6
-#define NSP_CMD_GET_SYMBOL 14
+#define NSP_CMD_RESET 1
+#define NSP_CMD_FW_LOAD 6
+#define NSP_CMD_READ_ETH_TABLE 7
+#define NSP_CMD_WRITE_ETH_TABLE 8
+#define NSP_CMD_GET_SYMBOL 14
#define NSP_BUFFER_CFG_SIZE_MASK (0xff)
/* This is the pcie offset to use by the host */
*pcie_offset |= ((NFP_NET_PF_HW_QUEUES_EXP_BAR & 0x7) << (27 - 3));
}
+
+int
+nfp_nsp_eth_config(nspu_desc_t *desc, int port, int up)
+{
+ union eth_table_entry *entries, *entry;
+ int modified;
+ int ret, idx;
+ int i;
+
+ idx = port;
+
+ RTE_LOG(INFO, PMD, "Hw ethernet port %d configure...\n", port);
+ rte_spinlock_lock(&desc->nsp_lock);
+ entries = malloc(NSP_ETH_TABLE_SIZE);
+ if (!entries) {
+ rte_spinlock_unlock(&desc->nsp_lock);
+ return -ENOMEM;
+ }
+
+ ret = nspu_command(desc, NSP_CMD_READ_ETH_TABLE, 1, 0, entries,
+ NSP_ETH_TABLE_SIZE, 0);
+ if (ret) {
+ rte_spinlock_unlock(&desc->nsp_lock);
+ return ret;
+ }
+
+ entry = entries;
+
+ for (i = 0; i < NSP_ETH_MAX_COUNT; i++) {
+ /* ports in use do not appear sequentially in the table */
+ if (!(entry->port & NSP_ETH_PORT_LANES_MASK)) {
+ /* entry not in use */
+ entry++;
+ continue;
+ }
+ if (idx == 0)
+ break;
+ idx--;
+ entry++;
+ }
+
+ if (i == NSP_ETH_MAX_COUNT) {
+ rte_spinlock_unlock(&desc->nsp_lock);
+ return -EINVAL;
+ }
+
+ if (up && !(entry->state & NSP_ETH_STATE_CONFIGURED)) {
+ entry->control |= NSP_ETH_STATE_CONFIGURED;
+ modified = 1;
+ }
+
+ if (!up && (entry->state & NSP_ETH_STATE_CONFIGURED)) {
+ entry->control &= ~NSP_ETH_STATE_CONFIGURED;
+ modified = 1;
+ }
+
+ if (modified) {
+ ret = nspu_command(desc, NSP_CMD_WRITE_ETH_TABLE, 0, 1, entries,
+ 0, NSP_ETH_TABLE_SIZE);
+ if (!ret)
+ RTE_LOG(INFO, PMD,
+ "Hw ethernet port %d configure done\n", port);
+ else
+ RTE_LOG(INFO, PMD,
+ "Hw ethernet port %d configure failed\n", port);
+ }
+ rte_spinlock_unlock(&desc->nsp_lock);
+ return ret;
+}
* the fast path.
*/
+#include <rte_spinlock.h>
+
typedef struct {
int nfp; /* NFP device */
int pcie_bar; /* PF PCI BAR to work with */
uint64_t windowsz; /* NSPU BAR window size */
void *cfg_base; /* Expansion BARs address */
void *mem_base; /* NSP interface */
+ rte_spinlock_t nsp_lock;
} nspu_desc_t;
int nfp_nspu_init(nspu_desc_t *desc, int nfp, int pcie_bar, size_t pcie_barsz,
int nfp_nsp_fw_setup(nspu_desc_t *desc, const char *sym, uint64_t *pcie_offset);
int nfp_nsp_map_ctrl_bar(nspu_desc_t *desc, uint64_t *pcie_offset);
void nfp_nsp_map_queues_bar(nspu_desc_t *desc, uint64_t *pcie_offset);
+int nfp_nsp_eth_config(nspu_desc_t *desc, int port, int up);