-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * Copyright (c) 2016-2018 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 <rte_mempool.h>
struct rte_mbuf *m;
uint16_t port_id = rxq->dp.dpq.port_id;
- free_space = EFX_RXQ_LIMIT(rxq->ptr_mask + 1) -
- (added - rxq->completed);
+ free_space = rxq->max_fill_level - (added - rxq->completed);
if (free_space < rxq->refill_threshold)
return;
rxq->ptr_mask = info->rxq_entries - 1;
rxq->batch_max = info->batch_max;
rxq->prefix_size = info->prefix_size;
+ rxq->max_fill_level = info->max_fill_level;
rxq->refill_threshold = info->refill_threshold;
rxq->buf_size = info->buf_size;
rxq->refill_mb_pool = info->refill_mb_pool;
sfc_ev_qstop(rxq->evq);
}
+uint64_t
+sfc_rx_get_dev_offload_caps(struct sfc_adapter *sa)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+ uint64_t caps = 0;
+
+ caps |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ caps |= DEV_RX_OFFLOAD_CRC_STRIP;
+ caps |= DEV_RX_OFFLOAD_IPV4_CKSUM;
+ caps |= DEV_RX_OFFLOAD_UDP_CKSUM;
+ caps |= DEV_RX_OFFLOAD_TCP_CKSUM;
+
+ if (encp->enc_tunnel_encapsulations_supported &&
+ (sa->dp_rx->features & SFC_DP_RX_FEAT_TUNNELS))
+ caps |= DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
+
+ return caps;
+}
+
+uint64_t
+sfc_rx_get_queue_offload_caps(struct sfc_adapter *sa)
+{
+ uint64_t caps = 0;
+
+ if (sa->dp_rx->features & SFC_DP_RX_FEAT_SCATTER)
+ caps |= DEV_RX_OFFLOAD_SCATTER;
+
+ return caps;
+}
+
+static void
+sfc_rx_log_offloads(struct sfc_adapter *sa, const char *offload_group,
+ const char *verdict, uint64_t offloads)
+{
+ unsigned long long bit;
+
+ while ((bit = __builtin_ffsll(offloads)) != 0) {
+ uint64_t flag = (1ULL << --bit);
+
+ sfc_err(sa, "Rx %s offload %s %s", offload_group,
+ rte_eth_dev_rx_offload_name(flag), verdict);
+
+ offloads &= ~flag;
+ }
+}
+
+static boolean_t
+sfc_rx_queue_offloads_mismatch(struct sfc_adapter *sa, uint64_t requested)
+{
+ uint64_t mandatory = sa->eth_dev->data->dev_conf.rxmode.offloads;
+ uint64_t supported = sfc_rx_get_dev_offload_caps(sa) |
+ sfc_rx_get_queue_offload_caps(sa);
+ uint64_t rejected = requested & ~supported;
+ uint64_t missing = (requested & mandatory) ^ mandatory;
+ boolean_t mismatch = B_FALSE;
+
+ if (rejected) {
+ sfc_rx_log_offloads(sa, "queue", "is unsupported", rejected);
+ mismatch = B_TRUE;
+ }
+
+ if (missing) {
+ sfc_rx_log_offloads(sa, "queue", "must be set", missing);
+ mismatch = B_TRUE;
+ }
+
+ return mismatch;
+}
+
static int
sfc_rx_qcheck_conf(struct sfc_adapter *sa, unsigned int rxq_max_fill_level,
const struct rte_eth_rxconf *rx_conf)
{
+ uint64_t offloads_supported = sfc_rx_get_dev_offload_caps(sa) |
+ sfc_rx_get_queue_offload_caps(sa);
int rc = 0;
if (rx_conf->rx_thresh.pthresh != 0 ||
rc = EINVAL;
}
+ if ((rx_conf->offloads & DEV_RX_OFFLOAD_CHECKSUM) !=
+ DEV_RX_OFFLOAD_CHECKSUM)
+ sfc_warn(sa, "Rx checksum offloads cannot be disabled - always on (IPv4/TCP/UDP)");
+
+ if ((offloads_supported & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM) &&
+ (~rx_conf->offloads & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
+ sfc_warn(sa, "Rx outer IPv4 checksum offload cannot be disabled - always on");
+
+ if (sfc_rx_queue_offloads_mismatch(sa, rx_conf->offloads))
+ rc = EINVAL;
+
return rc;
}
&rxq_max_fill_level);
if (rc != 0)
goto fail_size_up_rings;
+ SFC_ASSERT(rxq_entries >= EFX_RXQ_MINNDESCS);
+ SFC_ASSERT(rxq_entries <= EFX_RXQ_MAXNDESCS);
+ SFC_ASSERT(rxq_entries >= nb_rx_desc);
+ SFC_ASSERT(rxq_max_fill_level <= nb_rx_desc);
rc = sfc_rx_qcheck_conf(sa, rxq_max_fill_level, rx_conf);
if (rc != 0)
}
if ((buf_size < sa->port.pdu + encp->enc_rx_prefix_size) &&
- !sa->eth_dev->data->dev_conf.rxmode.enable_scatter) {
+ (~rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER)) {
sfc_err(sa, "Rx scatter is disabled and RxQ %u mbuf pool "
"object size is too small", sw_index);
sfc_err(sa, "RxQ %u calculated Rx buffer size is %u vs "
rxq_info->entries = rxq_entries;
rxq_info->type = EFX_RXQ_TYPE_DEFAULT;
rxq_info->type_flags =
- sa->eth_dev->data->dev_conf.rxmode.enable_scatter ?
+ (rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) ?
EFX_RXQ_FLAG_SCATTER : EFX_RXQ_FLAG_NONE;
if ((encp->enc_tunnel_encapsulations_supported != 0) &&
memset(&info, 0, sizeof(info));
info.refill_mb_pool = rxq->refill_mb_pool;
+ info.max_fill_level = rxq_max_fill_level;
info.refill_threshold = rxq->refill_threshold;
info.buf_size = buf_size;
info.batch_max = encp->enc_rx_batch_max;
static int
sfc_rx_check_mode(struct sfc_adapter *sa, struct rte_eth_rxmode *rxmode)
{
+ uint64_t offloads_supported = sfc_rx_get_dev_offload_caps(sa) |
+ sfc_rx_get_queue_offload_caps(sa);
+ uint64_t offloads_rejected = rxmode->offloads & ~offloads_supported;
int rc = 0;
switch (rxmode->mq_mode) {
rc = EINVAL;
}
- if (rxmode->header_split) {
- sfc_err(sa, "Header split on Rx not supported");
+ if (offloads_rejected) {
+ sfc_rx_log_offloads(sa, "device", "is unsupported",
+ offloads_rejected);
rc = EINVAL;
}
- if (rxmode->hw_vlan_filter) {
- sfc_err(sa, "HW VLAN filtering not supported");
- rc = EINVAL;
- }
-
- if (rxmode->hw_vlan_strip) {
- sfc_err(sa, "HW VLAN stripping not supported");
- rc = EINVAL;
- }
-
- if (rxmode->hw_vlan_extend) {
- sfc_err(sa,
- "Q-in-Q HW VLAN stripping not supported");
- rc = EINVAL;
- }
-
- if (!rxmode->hw_strip_crc) {
- sfc_warn(sa,
- "FCS stripping control not supported - always stripped");
+ if (~rxmode->offloads & DEV_RX_OFFLOAD_CRC_STRIP) {
+ sfc_warn(sa, "FCS stripping cannot be disabled - always on");
+ rxmode->offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
rxmode->hw_strip_crc = 1;
}
- if (rxmode->enable_scatter &&
- (~sa->dp_rx->features & SFC_DP_RX_FEAT_SCATTER)) {
- sfc_err(sa, "Rx scatter not supported by %s datapath",
- sa->dp_rx->dp.name);
- rc = EINVAL;
- }
-
- if (rxmode->enable_lro) {
- sfc_err(sa, "LRO not supported");
- rc = EINVAL;
- }
-
return rc;
}
git.droids-corp.org / dpdk.git / blobdiff