-/*-
- * Copyright (c) 2017 Solarflare Communications Inc.
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2017-2018 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_tailq.h>
SFC_FLOW_ITEM_START_LAYER,
SFC_FLOW_ITEM_L2,
SFC_FLOW_ITEM_L3,
+ SFC_FLOW_ITEM_L4,
};
typedef int (sfc_flow_item_parse)(const struct rte_flow_item *item,
static sfc_flow_item_parse sfc_flow_parse_vlan;
static sfc_flow_item_parse sfc_flow_parse_ipv4;
static sfc_flow_item_parse sfc_flow_parse_ipv6;
+static sfc_flow_item_parse sfc_flow_parse_tcp;
+static sfc_flow_item_parse sfc_flow_parse_udp;
static boolean_t
sfc_flow_is_zero(const uint8_t *buf, unsigned int size)
*
* @param item[in]
* Item specification. Only source and destination addresses and
- * Ethernet type fields are supported. If the mask is NULL, default
- * mask will be used. Ranging is not supported.
+ * Ethernet type fields are supported. In addition to full and
+ * empty masks of destination address, individual/group mask is
+ * also supported. If the mask is NULL, default mask will be used.
+ * Ranging is not supported.
* @param efx_spec[in, out]
* EFX filter specification to update.
* @param[out] error
.src.addr_bytes = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
.type = 0xffff,
};
+ const uint8_t ig_mask[EFX_MAC_ADDR_LEN] = {
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
rc = sfc_flow_parse_init(item,
(const void **)&spec,
efx_spec->efs_match_flags |= EFX_FILTER_MATCH_LOC_MAC;
rte_memcpy(efx_spec->efs_loc_mac, spec->dst.addr_bytes,
EFX_MAC_ADDR_LEN);
+ } else if (memcmp(mask->dst.addr_bytes, ig_mask,
+ EFX_MAC_ADDR_LEN) == 0) {
+ if (is_unicast_ether_addr(&spec->dst))
+ efx_spec->efs_match_flags |=
+ EFX_FILTER_MATCH_UNKNOWN_UCAST_DST;
+ else
+ efx_spec->efs_match_flags |=
+ EFX_FILTER_MATCH_UNKNOWN_MCAST_DST;
} else if (!is_zero_ether_addr(&mask->dst)) {
goto fail_bad_mask;
}
return -rte_errno;
}
+/**
+ * Convert TCP item to EFX filter specification.
+ *
+ * @param item[in]
+ * Item specification. Only source and destination ports fields
+ * are supported. If the mask is NULL, default mask will be used.
+ * Ranging is not supported.
+ * @param efx_spec[in, out]
+ * EFX filter specification to update.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ */
+static int
+sfc_flow_parse_tcp(const struct rte_flow_item *item,
+ efx_filter_spec_t *efx_spec,
+ struct rte_flow_error *error)
+{
+ int rc;
+ const struct rte_flow_item_tcp *spec = NULL;
+ const struct rte_flow_item_tcp *mask = NULL;
+ const struct rte_flow_item_tcp supp_mask = {
+ .hdr = {
+ .src_port = 0xffff,
+ .dst_port = 0xffff,
+ }
+ };
+
+ rc = sfc_flow_parse_init(item,
+ (const void **)&spec,
+ (const void **)&mask,
+ &supp_mask,
+ &rte_flow_item_tcp_mask,
+ sizeof(struct rte_flow_item_tcp),
+ error);
+ if (rc != 0)
+ return rc;
+
+ /*
+ * Filtering by TCP source and destination ports requires
+ * the appropriate IP_PROTO in hardware filters
+ */
+ if (!(efx_spec->efs_match_flags & EFX_FILTER_MATCH_IP_PROTO)) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_IP_PROTO;
+ efx_spec->efs_ip_proto = EFX_IPPROTO_TCP;
+ } else if (efx_spec->efs_ip_proto != EFX_IPPROTO_TCP) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "IP proto in pattern with TCP item should be appropriate");
+ return -rte_errno;
+ }
+
+ if (spec == NULL)
+ return 0;
+
+ /*
+ * Source and destination ports are in big-endian byte order in item and
+ * in little-endian in efx_spec, so byte swap is used
+ */
+ if (mask->hdr.src_port == supp_mask.hdr.src_port) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_REM_PORT;
+ efx_spec->efs_rem_port = rte_bswap16(spec->hdr.src_port);
+ } else if (mask->hdr.src_port != 0) {
+ goto fail_bad_mask;
+ }
+
+ if (mask->hdr.dst_port == supp_mask.hdr.dst_port) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_LOC_PORT;
+ efx_spec->efs_loc_port = rte_bswap16(spec->hdr.dst_port);
+ } else if (mask->hdr.dst_port != 0) {
+ goto fail_bad_mask;
+ }
+
+ return 0;
+
+fail_bad_mask:
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Bad mask in the TCP pattern item");
+ return -rte_errno;
+}
+
+/**
+ * Convert UDP item to EFX filter specification.
+ *
+ * @param item[in]
+ * Item specification. Only source and destination ports fields
+ * are supported. If the mask is NULL, default mask will be used.
+ * Ranging is not supported.
+ * @param efx_spec[in, out]
+ * EFX filter specification to update.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ */
+static int
+sfc_flow_parse_udp(const struct rte_flow_item *item,
+ efx_filter_spec_t *efx_spec,
+ struct rte_flow_error *error)
+{
+ int rc;
+ const struct rte_flow_item_udp *spec = NULL;
+ const struct rte_flow_item_udp *mask = NULL;
+ const struct rte_flow_item_udp supp_mask = {
+ .hdr = {
+ .src_port = 0xffff,
+ .dst_port = 0xffff,
+ }
+ };
+
+ rc = sfc_flow_parse_init(item,
+ (const void **)&spec,
+ (const void **)&mask,
+ &supp_mask,
+ &rte_flow_item_udp_mask,
+ sizeof(struct rte_flow_item_udp),
+ error);
+ if (rc != 0)
+ return rc;
+
+ /*
+ * Filtering by UDP source and destination ports requires
+ * the appropriate IP_PROTO in hardware filters
+ */
+ if (!(efx_spec->efs_match_flags & EFX_FILTER_MATCH_IP_PROTO)) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_IP_PROTO;
+ efx_spec->efs_ip_proto = EFX_IPPROTO_UDP;
+ } else if (efx_spec->efs_ip_proto != EFX_IPPROTO_UDP) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "IP proto in pattern with UDP item should be appropriate");
+ return -rte_errno;
+ }
+
+ if (spec == NULL)
+ return 0;
+
+ /*
+ * Source and destination ports are in big-endian byte order in item and
+ * in little-endian in efx_spec, so byte swap is used
+ */
+ if (mask->hdr.src_port == supp_mask.hdr.src_port) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_REM_PORT;
+ efx_spec->efs_rem_port = rte_bswap16(spec->hdr.src_port);
+ } else if (mask->hdr.src_port != 0) {
+ goto fail_bad_mask;
+ }
+
+ if (mask->hdr.dst_port == supp_mask.hdr.dst_port) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_LOC_PORT;
+ efx_spec->efs_loc_port = rte_bswap16(spec->hdr.dst_port);
+ } else if (mask->hdr.dst_port != 0) {
+ goto fail_bad_mask;
+ }
+
+ return 0;
+
+fail_bad_mask:
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Bad mask in the UDP pattern item");
+ return -rte_errno;
+}
+
static const struct sfc_flow_item sfc_flow_items[] = {
{
.type = RTE_FLOW_ITEM_TYPE_VOID,
.layer = SFC_FLOW_ITEM_L3,
.parse = sfc_flow_parse_ipv6,
},
+ {
+ .type = RTE_FLOW_ITEM_TYPE_TCP,
+ .prev_layer = SFC_FLOW_ITEM_L3,
+ .layer = SFC_FLOW_ITEM_L4,
+ .parse = sfc_flow_parse_tcp,
+ },
+ {
+ .type = RTE_FLOW_ITEM_TYPE_UDP,
+ .prev_layer = SFC_FLOW_ITEM_L3,
+ .layer = SFC_FLOW_ITEM_L4,
+ .parse = sfc_flow_parse_udp,
+ },
};
/*
}
flow->spec.efs_flags |= EFX_FILTER_FLAG_RX;
- flow->spec.efs_rss_context = EFX_FILTER_SPEC_RSS_CONTEXT_DEFAULT;
+ flow->spec.efs_rss_context = EFX_RSS_CONTEXT_DEFAULT;
return 0;
}
return -rte_errno;
}
- for (; pattern != NULL &&
- pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
+ for (; pattern->type != RTE_FLOW_ITEM_TYPE_END; pattern++) {
item = sfc_flow_get_item(pattern->type);
if (item == NULL) {
rte_flow_error_set(error, ENOTSUP,
prev_layer = item->layer;
}
- if (pattern == NULL) {
- rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ITEM, NULL,
- "NULL item");
- return -rte_errno;
- }
-
return 0;
}
return 0;
}
+#if EFSYS_OPT_RX_SCALE
+static int
+sfc_flow_parse_rss(struct sfc_adapter *sa,
+ const struct rte_flow_action_rss *rss,
+ struct rte_flow *flow)
+{
+ unsigned int rxq_sw_index;
+ struct sfc_rxq *rxq;
+ unsigned int rxq_hw_index_min;
+ unsigned int rxq_hw_index_max;
+ const struct rte_eth_rss_conf *rss_conf = rss->rss_conf;
+ uint64_t rss_hf;
+ uint8_t *rss_key = NULL;
+ struct sfc_flow_rss *sfc_rss_conf = &flow->rss_conf;
+ unsigned int i;
+
+ if (rss->num == 0)
+ return -EINVAL;
+
+ rxq_sw_index = sa->rxq_count - 1;
+ rxq = sa->rxq_info[rxq_sw_index].rxq;
+ rxq_hw_index_min = rxq->hw_index;
+ rxq_hw_index_max = 0;
+
+ for (i = 0; i < rss->num; ++i) {
+ rxq_sw_index = rss->queue[i];
+
+ if (rxq_sw_index >= sa->rxq_count)
+ return -EINVAL;
+
+ rxq = sa->rxq_info[rxq_sw_index].rxq;
+
+ if (rxq->hw_index < rxq_hw_index_min)
+ rxq_hw_index_min = rxq->hw_index;
+
+ if (rxq->hw_index > rxq_hw_index_max)
+ rxq_hw_index_max = rxq->hw_index;
+ }
+
+ rss_hf = (rss_conf != NULL) ? rss_conf->rss_hf : SFC_RSS_OFFLOADS;
+ if ((rss_hf & ~SFC_RSS_OFFLOADS) != 0)
+ return -EINVAL;
+
+ if (rss_conf != NULL) {
+ if (rss_conf->rss_key_len != sizeof(sa->rss_key))
+ return -EINVAL;
+
+ rss_key = rss_conf->rss_key;
+ } else {
+ rss_key = sa->rss_key;
+ }
+
+ flow->rss = B_TRUE;
+
+ sfc_rss_conf->rxq_hw_index_min = rxq_hw_index_min;
+ sfc_rss_conf->rxq_hw_index_max = rxq_hw_index_max;
+ sfc_rss_conf->rss_hash_types = sfc_rte_to_efx_hash_type(rss_hf);
+ rte_memcpy(sfc_rss_conf->rss_key, rss_key, sizeof(sa->rss_key));
+
+ for (i = 0; i < RTE_DIM(sfc_rss_conf->rss_tbl); ++i) {
+ unsigned int rxq_sw_index = rss->queue[i % rss->num];
+ struct sfc_rxq *rxq = sa->rxq_info[rxq_sw_index].rxq;
+
+ sfc_rss_conf->rss_tbl[i] = rxq->hw_index - rxq_hw_index_min;
+ }
+
+ return 0;
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
+static int
+sfc_flow_filter_insert(struct sfc_adapter *sa,
+ struct rte_flow *flow)
+{
+ efx_filter_spec_t *spec = &flow->spec;
+
+#if EFSYS_OPT_RX_SCALE
+ struct sfc_flow_rss *rss = &flow->rss_conf;
+ int rc = 0;
+
+ if (flow->rss) {
+ unsigned int rss_spread = MIN(rss->rxq_hw_index_max -
+ rss->rxq_hw_index_min + 1,
+ EFX_MAXRSS);
+
+ rc = efx_rx_scale_context_alloc(sa->nic,
+ EFX_RX_SCALE_EXCLUSIVE,
+ rss_spread,
+ &spec->efs_rss_context);
+ if (rc != 0)
+ goto fail_scale_context_alloc;
+
+ rc = efx_rx_scale_mode_set(sa->nic, spec->efs_rss_context,
+ EFX_RX_HASHALG_TOEPLITZ,
+ rss->rss_hash_types, B_TRUE);
+ if (rc != 0)
+ goto fail_scale_mode_set;
+
+ rc = efx_rx_scale_key_set(sa->nic, spec->efs_rss_context,
+ rss->rss_key,
+ sizeof(sa->rss_key));
+ if (rc != 0)
+ goto fail_scale_key_set;
+
+ spec->efs_dmaq_id = rss->rxq_hw_index_min;
+ spec->efs_flags |= EFX_FILTER_FLAG_RX_RSS;
+ }
+
+ rc = efx_filter_insert(sa->nic, spec);
+ if (rc != 0)
+ goto fail_filter_insert;
+
+ if (flow->rss) {
+ /*
+ * Scale table is set after filter insertion because
+ * the table entries are relative to the base RxQ ID
+ * and the latter is submitted to the HW by means of
+ * inserting a filter, so by the time of the request
+ * the HW knows all the information needed to verify
+ * the table entries, and the operation will succeed
+ */
+ rc = efx_rx_scale_tbl_set(sa->nic, spec->efs_rss_context,
+ rss->rss_tbl, RTE_DIM(rss->rss_tbl));
+ if (rc != 0)
+ goto fail_scale_tbl_set;
+ }
+
+ return 0;
+
+fail_scale_tbl_set:
+ efx_filter_remove(sa->nic, spec);
+
+fail_filter_insert:
+fail_scale_key_set:
+fail_scale_mode_set:
+ if (rss != NULL)
+ efx_rx_scale_context_free(sa->nic, spec->efs_rss_context);
+
+fail_scale_context_alloc:
+ return rc;
+#else /* !EFSYS_OPT_RX_SCALE */
+ return efx_filter_insert(sa->nic, spec);
+#endif /* EFSYS_OPT_RX_SCALE */
+}
+
+static int
+sfc_flow_filter_remove(struct sfc_adapter *sa,
+ struct rte_flow *flow)
+{
+ efx_filter_spec_t *spec = &flow->spec;
+ int rc = 0;
+
+ rc = efx_filter_remove(sa->nic, spec);
+ if (rc != 0)
+ return rc;
+
+#if EFSYS_OPT_RX_SCALE
+ if (flow->rss)
+ rc = efx_rx_scale_context_free(sa->nic, spec->efs_rss_context);
+#endif /* EFSYS_OPT_RX_SCALE */
+
+ return rc;
+}
+
static int
sfc_flow_parse_actions(struct sfc_adapter *sa,
const struct rte_flow_action actions[],
is_specified = B_TRUE;
break;
+#if EFSYS_OPT_RX_SCALE
+ case RTE_FLOW_ACTION_TYPE_RSS:
+ rc = sfc_flow_parse_rss(sa, actions->conf, flow);
+ if (rc != 0) {
+ rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ACTION, actions,
+ "Bad RSS action");
+ return -rte_errno;
+ }
+
+ is_specified = B_TRUE;
+ break;
+#endif /* EFSYS_OPT_RX_SCALE */
+
default:
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, actions,
struct sfc_adapter *sa = dev->data->dev_private;
int rc;
- memset(&flow->spec, 0, sizeof(flow->spec));
-
rc = sfc_flow_parse_attr(attr, flow, error);
if (rc != 0)
goto fail_bad_value;
{
struct rte_flow flow;
+ memset(&flow, 0, sizeof(flow));
+
return sfc_flow_parse(dev, attr, pattern, actions, &flow, error);
}
sfc_adapter_lock(sa);
if (sa->state == SFC_ADAPTER_STARTED) {
- rc = efx_filter_insert(sa->nic, &flow->spec);
+ rc = sfc_flow_filter_insert(sa, flow);
if (rc != 0) {
rte_flow_error_set(error, rc,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
SFC_ASSERT(sfc_adapter_is_locked(sa));
if (sa->state == SFC_ADAPTER_STARTED) {
- rc = efx_filter_remove(sa->nic, &flow->spec);
+ rc = sfc_flow_filter_remove(sa, flow);
if (rc != 0)
rte_flow_error_set(error, rc,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
return -ret;
}
+static int
+sfc_flow_isolate(struct rte_eth_dev *dev, int enable,
+ struct rte_flow_error *error)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ int ret = 0;
+
+ sfc_adapter_lock(sa);
+ if (sa->state != SFC_ADAPTER_INITIALIZED) {
+ rte_flow_error_set(error, EBUSY,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ NULL, "please close the port first");
+ ret = -rte_errno;
+ } else {
+ port->isolated = (enable) ? B_TRUE : B_FALSE;
+ }
+ sfc_adapter_unlock(sa);
+
+ return ret;
+}
+
const struct rte_flow_ops sfc_flow_ops = {
.validate = sfc_flow_validate,
.create = sfc_flow_create,
.destroy = sfc_flow_destroy,
.flush = sfc_flow_flush,
.query = NULL,
+ .isolate = sfc_flow_isolate,
};
void
SFC_ASSERT(sfc_adapter_is_locked(sa));
TAILQ_FOREACH(flow, &sa->filter.flow_list, entries)
- efx_filter_remove(sa->nic, &flow->spec);
+ sfc_flow_filter_remove(sa, flow);
}
int
SFC_ASSERT(sfc_adapter_is_locked(sa));
TAILQ_FOREACH(flow, &sa->filter.flow_list, entries) {
- rc = efx_filter_insert(sa->nic, &flow->spec);
+ rc = sfc_flow_filter_insert(sa, flow);
if (rc != 0)
goto fail_bad_flow;
}
git.droids-corp.org / dpdk.git / blobdiff