;
[Features]
Link status = Y
+L3 checksum offload = P
+L4 checksum offload = P
BSD nic_uio = Y
Linux UIO = Y
Linux VFIO = Y
- Link state information
+- IPv4/IPv6 TCP/UDP transmit checksum offload
+
Non-supported Features
----------------------
SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += sfc_ev.c
SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += sfc_port.c
SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += sfc_rx.c
+SRCS-$(CONFIG_RTE_LIBRTE_SFC_EFX_PMD) += sfc_tx.c
VPATH += $(SRCDIR)/base
#include "sfc_log.h"
#include "sfc_ev.h"
#include "sfc_rx.h"
+#include "sfc_tx.h"
int
if (rc != 0)
goto fail_rx_init;
+ rc = sfc_tx_init(sa);
+ if (rc != 0)
+ goto fail_tx_init;
+
sa->state = SFC_ADAPTER_CONFIGURED;
sfc_log_init(sa, "done");
return 0;
+fail_tx_init:
+ sfc_rx_fini(sa);
+
fail_rx_init:
sfc_port_fini(sa);
SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
sa->state = SFC_ADAPTER_CLOSING;
+ sfc_tx_fini(sa);
sfc_rx_fini(sa);
sfc_port_fini(sa);
sfc_ev_fini(sa);
sfc_attach(struct sfc_adapter *sa)
{
struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(sa->eth_dev);
+ const efx_nic_cfg_t *encp;
efx_nic_t *enp;
int rc;
if (rc != 0)
goto fail_estimate_rsrc_limits;
+ encp = efx_nic_cfg_get(sa->nic);
+ sa->txq_max_entries = encp->enc_txq_max_ndescs;
+ SFC_ASSERT(rte_is_power_of_2(sa->txq_max_entries));
+
rc = sfc_intr_attach(sa);
if (rc != 0)
goto fail_intr_attach;
struct sfc_evq_info;
struct sfc_rxq_info;
+struct sfc_txq_info;
struct sfc_port {
unsigned int flow_ctrl;
unsigned int rxq_max;
unsigned int txq_max;
+ unsigned int txq_max_entries;
+
unsigned int evq_count;
struct sfc_evq_info *evq_info;
unsigned int rxq_count;
struct sfc_rxq_info *rxq_info;
+
+ unsigned int txq_count;
+ struct sfc_txq_info *txq_info;
};
/*
dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
dev_info->max_rx_queues = sa->rxq_max;
+ dev_info->max_tx_queues = sa->txq_max;
/* By default packets are dropped if no descriptors are available */
dev_info->default_rxconf.rx_drop_en = 1;
+ dev_info->tx_offload_capa =
+ DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM;
+
+ dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOVLANOFFL |
+ ETH_TXQ_FLAGS_NOXSUMSCTP;
+
dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
/* The RXQ hardware requires that the descriptor count is a power
* of 2, but rx_desc_lim cannot properly describe that constraint.
*/
dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
+
+ dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
+ dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
+ /*
+ * The TXQ hardware requires that the descriptor count is a power
+ * of 2, but tx_desc_lim cannot properly describe that constraint
+ */
+ dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
}
static int
--- /dev/null
+/*-
+ * Copyright (c) 2016 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * This software was jointly developed between OKTET Labs (under contract
+ * for Solarflare) and Solarflare Communications, Inc.
+ *
+ * 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 OWNER 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 "sfc.h"
+#include "sfc_log.h"
+#include "sfc_ev.h"
+#include "sfc_tx.h"
+
+static int
+sfc_tx_qinit_info(struct sfc_adapter *sa, unsigned int sw_index)
+{
+ sfc_log_init(sa, "TxQ = %u", sw_index);
+
+ return 0;
+}
+
+int
+sfc_tx_init(struct sfc_adapter *sa)
+{
+ unsigned int sw_index;
+ int rc = 0;
+
+ sa->txq_count = sa->eth_dev->data->nb_tx_queues;
+
+ sa->txq_info = rte_calloc_socket("sfc-txqs", sa->txq_count,
+ sizeof(sa->txq_info[0]), 0,
+ sa->socket_id);
+ if (sa->txq_info == NULL)
+ goto fail_txqs_alloc;
+
+ for (sw_index = 0; sw_index < sa->txq_count; ++sw_index) {
+ rc = sfc_tx_qinit_info(sa, sw_index);
+ if (rc != 0)
+ goto fail_tx_qinit_info;
+ }
+
+ return 0;
+
+fail_tx_qinit_info:
+ rte_free(sa->txq_info);
+ sa->txq_info = NULL;
+
+fail_txqs_alloc:
+ sa->txq_count = 0;
+
+ sfc_log_init(sa, "failed (rc = %d)", rc);
+ return rc;
+}
+
+void
+sfc_tx_fini(struct sfc_adapter *sa)
+{
+ rte_free(sa->txq_info);
+ sa->txq_info = NULL;
+ sa->txq_count = 0;
+}
--- /dev/null
+/*-
+ * Copyright (c) 2016 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * This software was jointly developed between OKTET Labs (under contract
+ * for Solarflare) and Solarflare Communications, Inc.
+ *
+ * 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 OWNER 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.
+ */
+
+#ifndef _SFC_TX_H
+#define _SFC_TX_H
+
+#include <rte_mbuf.h>
+#include <rte_ethdev.h>
+
+#include "efx.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct sfc_adapter;
+
+struct sfc_txq_info {
+};
+
+int sfc_tx_init(struct sfc_adapter *sa);
+void sfc_tx_fini(struct sfc_adapter *sa);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _SFC_TX_H */