--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Intel Corporation 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
+ * 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 <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdarg.h>
+
+#include <rte_common.h>
+#include <rte_interrupts.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_atomic.h>
+#include <rte_malloc.h>
+#include <rte_dev.h>
+#include <rte_flow.h>
+#include <rte_flow_driver.h>
+
+#include "e1000_logs.h"
+#include "base/e1000_api.h"
+#include "e1000_ethdev.h"
+
+#define NEXT_ITEM_OF_PATTERN(item, pattern, index) \
+ do { \
+ item = (pattern) + (index); \
+ while (item->type == RTE_FLOW_ITEM_TYPE_VOID) { \
+ (index)++; \
+ item = (pattern) + (index); \
+ } \
+ } while (0)
+
+#define NEXT_ITEM_OF_ACTION(act, actions, index) \
+ do { \
+ act = (actions) + (index); \
+ while (act->type == RTE_FLOW_ACTION_TYPE_VOID) {\
+ (index)++; \
+ act = (actions) + (index); \
+ } \
+ } while (0)
+
+#define IGB_FLEX_RAW_NUM 12
+
+/**
+ * Please aware there's an asumption for all the parsers.
+ * rte_flow_item is using big endian, rte_flow_attr and
+ * rte_flow_action are using CPU order.
+ * Because the pattern is used to describe the packets,
+ * normally the packets should use network order.
+ */
+
+/**
+ * Parse the rule to see if it is a n-tuple rule.
+ * And get the n-tuple filter info BTW.
+ * pattern:
+ * The first not void item can be ETH or IPV4.
+ * The second not void item must be IPV4 if the first one is ETH.
+ * The third not void item must be UDP or TCP or SCTP
+ * The next not void item must be END.
+ * action:
+ * The first not void action should be QUEUE.
+ * The next not void action should be END.
+ * pattern example:
+ * ITEM Spec Mask
+ * ETH NULL NULL
+ * IPV4 src_addr 192.168.1.20 0xFFFFFFFF
+ * dst_addr 192.167.3.50 0xFFFFFFFF
+ * next_proto_id 17 0xFF
+ * UDP/TCP/ src_port 80 0xFFFF
+ * SCTP dst_port 80 0xFFFF
+ * END
+ * other members in mask and spec should set to 0x00.
+ * item->last should be NULL.
+ */
+static int
+cons_parse_ntuple_filter(const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_ntuple_filter *filter,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_action *act;
+ const struct rte_flow_item_ipv4 *ipv4_spec;
+ const struct rte_flow_item_ipv4 *ipv4_mask;
+ const struct rte_flow_item_tcp *tcp_spec;
+ const struct rte_flow_item_tcp *tcp_mask;
+ const struct rte_flow_item_udp *udp_spec;
+ const struct rte_flow_item_udp *udp_mask;
+ const struct rte_flow_item_sctp *sctp_spec;
+ const struct rte_flow_item_sctp *sctp_mask;
+ uint32_t index;
+
+ if (!pattern) {
+ rte_flow_error_set(error,
+ EINVAL, RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
+
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
+
+ /* parse pattern */
+ index = 0;
+
+ /* the first not void item can be MAC or IPv4 */
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV4) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+ /* Skip Ethernet */
+ if (item->type == RTE_FLOW_ITEM_TYPE_ETH) {
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error,
+ EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+ /* if the first item is MAC, the content should be NULL */
+ if (item->spec || item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+ /* check if the next not void item is IPv4 */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_IPV4) {
+ rte_flow_error_set(error,
+ EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+ }
+
+ /* get the IPv4 info */
+ if (!item->spec || !item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid ntuple mask");
+ return -rte_errno;
+ }
+ /* Not supported last point for range */
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ ipv4_mask = (const struct rte_flow_item_ipv4 *)item->mask;
+ /**
+ * Only support src & dst addresses, protocol,
+ * others should be masked.
+ */
+
+ if (ipv4_mask->hdr.version_ihl ||
+ ipv4_mask->hdr.type_of_service ||
+ ipv4_mask->hdr.total_length ||
+ ipv4_mask->hdr.packet_id ||
+ ipv4_mask->hdr.fragment_offset ||
+ ipv4_mask->hdr.time_to_live ||
+ ipv4_mask->hdr.hdr_checksum) {
+ rte_flow_error_set(error,
+ EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ filter->dst_ip_mask = ipv4_mask->hdr.dst_addr;
+ filter->src_ip_mask = ipv4_mask->hdr.src_addr;
+ filter->proto_mask = ipv4_mask->hdr.next_proto_id;
+
+ ipv4_spec = (const struct rte_flow_item_ipv4 *)item->spec;
+ filter->dst_ip = ipv4_spec->hdr.dst_addr;
+ filter->src_ip = ipv4_spec->hdr.src_addr;
+ filter->proto = ipv4_spec->hdr.next_proto_id;
+
+ /* check if the next not void item is TCP or UDP or SCTP */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_TCP &&
+ item->type != RTE_FLOW_ITEM_TYPE_UDP &&
+ item->type != RTE_FLOW_ITEM_TYPE_SCTP) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ /* Not supported last point for range */
+ if (item->last) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* get the TCP/UDP/SCTP info */
+ if (item->type == RTE_FLOW_ITEM_TYPE_TCP) {
+ if (item->spec && item->mask) {
+ tcp_mask = (const struct rte_flow_item_tcp *)item->mask;
+
+ /**
+ * Only support src & dst ports, tcp flags,
+ * others should be masked.
+ */
+ if (tcp_mask->hdr.sent_seq ||
+ tcp_mask->hdr.recv_ack ||
+ tcp_mask->hdr.data_off ||
+ tcp_mask->hdr.rx_win ||
+ tcp_mask->hdr.cksum ||
+ tcp_mask->hdr.tcp_urp) {
+ memset(filter, 0,
+ sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ filter->dst_port_mask = tcp_mask->hdr.dst_port;
+ filter->src_port_mask = tcp_mask->hdr.src_port;
+ if (tcp_mask->hdr.tcp_flags == 0xFF) {
+ filter->flags |= RTE_NTUPLE_FLAGS_TCP_FLAG;
+ } else if (!tcp_mask->hdr.tcp_flags) {
+ filter->flags &= ~RTE_NTUPLE_FLAGS_TCP_FLAG;
+ } else {
+ memset(filter, 0,
+ sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ tcp_spec = (const struct rte_flow_item_tcp *)item->spec;
+ filter->dst_port = tcp_spec->hdr.dst_port;
+ filter->src_port = tcp_spec->hdr.src_port;
+ filter->tcp_flags = tcp_spec->hdr.tcp_flags;
+ }
+ } else if (item->type == RTE_FLOW_ITEM_TYPE_UDP) {
+ if (item->spec && item->mask) {
+ udp_mask = (const struct rte_flow_item_udp *)item->mask;
+
+ /**
+ * Only support src & dst ports,
+ * others should be masked.
+ */
+ if (udp_mask->hdr.dgram_len ||
+ udp_mask->hdr.dgram_cksum) {
+ memset(filter, 0,
+ sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ filter->dst_port_mask = udp_mask->hdr.dst_port;
+ filter->src_port_mask = udp_mask->hdr.src_port;
+
+ udp_spec = (const struct rte_flow_item_udp *)item->spec;
+ filter->dst_port = udp_spec->hdr.dst_port;
+ filter->src_port = udp_spec->hdr.src_port;
+ }
+ } else {
+ if (item->spec && item->mask) {
+ sctp_mask = (const struct rte_flow_item_sctp *)
+ item->mask;
+
+ /**
+ * Only support src & dst ports,
+ * others should be masked.
+ */
+ if (sctp_mask->hdr.tag ||
+ sctp_mask->hdr.cksum) {
+ memset(filter, 0,
+ sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ filter->dst_port_mask = sctp_mask->hdr.dst_port;
+ filter->src_port_mask = sctp_mask->hdr.src_port;
+
+ sctp_spec = (const struct rte_flow_item_sctp *)
+ item->spec;
+ filter->dst_port = sctp_spec->hdr.dst_port;
+ filter->src_port = sctp_spec->hdr.src_port;
+ }
+ }
+ /* check if the next not void item is END */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ /* parse action */
+ index = 0;
+
+ /**
+ * n-tuple only supports forwarding,
+ * check if the first not void action is QUEUE.
+ */
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ item, "Not supported action.");
+ return -rte_errno;
+ }
+ filter->queue =
+ ((const struct rte_flow_action_queue *)act->conf)->index;
+
+ /* check if the next not void item is END */
+ index++;
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* parse attr */
+ /* must be input direction */
+ if (!attr->ingress) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->egress) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ if (attr->priority > 0xFFFF) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Error priority.");
+ return -rte_errno;
+ }
+ filter->priority = (uint16_t)attr->priority;
+
+ return 0;
+}
+
+/* a specific function for igb because the flags is specific */
+static int
+igb_parse_ntuple_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_ntuple_filter *filter,
+ struct rte_flow_error *error)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int ret;
+
+ MAC_TYPE_FILTER_SUP(hw->mac.type);
+
+ ret = cons_parse_ntuple_filter(attr, pattern, actions, filter, error);
+
+ if (ret)
+ return ret;
+
+ /* Igb doesn't support many priorities. */
+ if (filter->priority > E1000_2TUPLE_MAX_PRI) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "Priority not supported by ntuple filter");
+ return -rte_errno;
+ }
+
+ if (hw->mac.type == e1000_82576) {
+ if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue number not "
+ "supported by ntuple filter");
+ return -rte_errno;
+ }
+ filter->flags |= RTE_5TUPLE_FLAGS;
+ } else {
+ if (filter->src_ip_mask || filter->dst_ip_mask ||
+ filter->src_port_mask) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "only two tuple are "
+ "supported by this filter");
+ return -rte_errno;
+ }
+ if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) {
+ memset(filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue number not "
+ "supported by ntuple filter");
+ return -rte_errno;
+ }
+ filter->flags |= RTE_2TUPLE_FLAGS;
+ }
+
+ return 0;
+}
+
+/**
+ * Parse the rule to see if it is a ethertype rule.
+ * And get the ethertype filter info BTW.
+ * pattern:
+ * The first not void item can be ETH.
+ * The next not void item must be END.
+ * action:
+ * The first not void action should be QUEUE.
+ * The next not void action should be END.
+ * pattern example:
+ * ITEM Spec Mask
+ * ETH type 0x0807 0xFFFF
+ * END
+ * other members in mask and spec should set to 0x00.
+ * item->last should be NULL.
+ */
+static int
+cons_parse_ethertype_filter(const struct rte_flow_attr *attr,
+ const struct rte_flow_item *pattern,
+ const struct rte_flow_action *actions,
+ struct rte_eth_ethertype_filter *filter,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_action *act;
+ const struct rte_flow_item_eth *eth_spec;
+ const struct rte_flow_item_eth *eth_mask;
+ const struct rte_flow_action_queue *act_q;
+ uint32_t index;
+
+ if (!pattern) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
+
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
+
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
+
+ /* Parse pattern */
+ index = 0;
+
+ /* The first non-void item should be MAC. */
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ethertype filter");
+ return -rte_errno;
+ }
+
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* Get the MAC info. */
+ if (!item->spec || !item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ethertype filter");
+ return -rte_errno;
+ }
+
+ eth_spec = (const struct rte_flow_item_eth *)item->spec;
+ eth_mask = (const struct rte_flow_item_eth *)item->mask;
+
+ /* Mask bits of source MAC address must be full of 0.
+ * Mask bits of destination MAC address must be full
+ * of 1 or full of 0.
+ */
+ if (!is_zero_ether_addr(ð_mask->src) ||
+ (!is_zero_ether_addr(ð_mask->dst) &&
+ !is_broadcast_ether_addr(ð_mask->dst))) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid ether address mask");
+ return -rte_errno;
+ }
+
+ if ((eth_mask->type & UINT16_MAX) != UINT16_MAX) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid ethertype mask");
+ return -rte_errno;
+ }
+
+ /* If mask bits of destination MAC address
+ * are full of 1, set RTE_ETHTYPE_FLAGS_MAC.
+ */
+ if (is_broadcast_ether_addr(ð_mask->dst)) {
+ filter->mac_addr = eth_spec->dst;
+ filter->flags |= RTE_ETHTYPE_FLAGS_MAC;
+ } else {
+ filter->flags &= ~RTE_ETHTYPE_FLAGS_MAC;
+ }
+ filter->ether_type = rte_be_to_cpu_16(eth_spec->type);
+
+ /* Check if the next non-void item is END. */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by ethertype filter.");
+ return -rte_errno;
+ }
+
+ /* Parse action */
+
+ index = 0;
+ /* Check if the first non-void action is QUEUE or DROP. */
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE &&
+ act->type != RTE_FLOW_ACTION_TYPE_DROP) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ if (act->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
+ act_q = (const struct rte_flow_action_queue *)act->conf;
+ filter->queue = act_q->index;
+ } else {
+ filter->flags |= RTE_ETHTYPE_FLAGS_DROP;
+ }
+
+ /* Check if the next non-void item is END */
+ index++;
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* Parse attr */
+ /* Must be input direction */
+ if (!attr->ingress) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->egress) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->priority) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Not support priority.");
+ return -rte_errno;
+ }
+
+ /* Not supported */
+ if (attr->group) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
+ attr, "Not support group.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+static int
+igb_parse_ethertype_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_ethertype_filter *filter,
+ struct rte_flow_error *error)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int ret;
+
+ MAC_TYPE_FILTER_SUP(hw->mac.type);
+
+ ret = cons_parse_ethertype_filter(attr, pattern,
+ actions, filter, error);
+
+ if (ret)
+ return ret;
+
+ if (hw->mac.type == e1000_82576) {
+ if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576) {
+ memset(filter, 0, sizeof(
+ struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue number not supported "
+ "by ethertype filter");
+ return -rte_errno;
+ }
+ } else {
+ if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) {
+ memset(filter, 0, sizeof(
+ struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue number not supported "
+ "by ethertype filter");
+ return -rte_errno;
+ }
+ }
+
+ if (filter->ether_type == ETHER_TYPE_IPv4 ||
+ filter->ether_type == ETHER_TYPE_IPv6) {
+ memset(filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "IPv4/IPv6 not supported by ethertype filter");
+ return -rte_errno;
+ }
+
+ if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
+ memset(filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "mac compare is unsupported");
+ return -rte_errno;
+ }
+
+ if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
+ memset(filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "drop option is unsupported");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+/**
+ * Parse the rule to see if it is a TCP SYN rule.
+ * And get the TCP SYN filter info BTW.
+ * pattern:
+ * The first not void item must be ETH.
+ * The second not void item must be IPV4 or IPV6.
+ * The third not void item must be TCP.
+ * The next not void item must be END.
+ * action:
+ * The first not void action should be QUEUE.
+ * The next not void action should be END.
+ * pattern example:
+ * ITEM Spec Mask
+ * ETH NULL NULL
+ * IPV4/IPV6 NULL NULL
+ * TCP tcp_flags 0x02 0xFF
+ * END
+ * other members in mask and spec should set to 0x00.
+ * item->last should be NULL.
+ */
+static int
+cons_parse_syn_filter(const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_syn_filter *filter,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_action *act;
+ const struct rte_flow_item_tcp *tcp_spec;
+ const struct rte_flow_item_tcp *tcp_mask;
+ const struct rte_flow_action_queue *act_q;
+ uint32_t index;
+
+ if (!pattern) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
+
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
+
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
+
+ /* parse pattern */
+ index = 0;
+
+ /* the first not void item should be MAC or IPv4 or IPv6 or TCP */
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_ETH &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV4 &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV6 &&
+ item->type != RTE_FLOW_ITEM_TYPE_TCP) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by syn filter");
+ return -rte_errno;
+ }
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ /* Skip Ethernet */
+ if (item->type == RTE_FLOW_ITEM_TYPE_ETH) {
+ /* if the item is MAC, the content should be NULL */
+ if (item->spec || item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid SYN address mask");
+ return -rte_errno;
+ }
+
+ /* check if the next not void item is IPv4 or IPv6 */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_IPV4 &&
+ item->type != RTE_FLOW_ITEM_TYPE_IPV6) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by syn filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Skip IP */
+ if (item->type == RTE_FLOW_ITEM_TYPE_IPV4 ||
+ item->type == RTE_FLOW_ITEM_TYPE_IPV6) {
+ /* if the item is IP, the content should be NULL */
+ if (item->spec || item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid SYN mask");
+ return -rte_errno;
+ }
+
+ /* check if the next not void item is TCP */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_TCP) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by syn filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Get the TCP info. Only support SYN. */
+ if (!item->spec || !item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Invalid SYN mask");
+ return -rte_errno;
+ }
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ tcp_spec = (const struct rte_flow_item_tcp *)item->spec;
+ tcp_mask = (const struct rte_flow_item_tcp *)item->mask;
+ if (!(tcp_spec->hdr.tcp_flags & TCP_SYN_FLAG) ||
+ tcp_mask->hdr.src_port ||
+ tcp_mask->hdr.dst_port ||
+ tcp_mask->hdr.sent_seq ||
+ tcp_mask->hdr.recv_ack ||
+ tcp_mask->hdr.data_off ||
+ tcp_mask->hdr.tcp_flags != TCP_SYN_FLAG ||
+ tcp_mask->hdr.rx_win ||
+ tcp_mask->hdr.cksum ||
+ tcp_mask->hdr.tcp_urp) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by syn filter");
+ return -rte_errno;
+ }
+
+ /* check if the next not void item is END */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by syn filter");
+ return -rte_errno;
+ }
+
+ /* parse action */
+ index = 0;
+
+ /* check if the first not void action is QUEUE. */
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ act_q = (const struct rte_flow_action_queue *)act->conf;
+ filter->queue = act_q->index;
+
+ /* check if the next not void item is END */
+ index++;
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* parse attr */
+ /* must be input direction */
+ if (!attr->ingress) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->egress) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ /* Support 2 priorities, the lowest or highest. */
+ if (!attr->priority) {
+ filter->hig_pri = 0;
+ } else if (attr->priority == (uint32_t)~0U) {
+ filter->hig_pri = 1;
+ } else {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Not support priority.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
+static int
+igb_parse_syn_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_syn_filter *filter,
+ struct rte_flow_error *error)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int ret;
+
+ MAC_TYPE_FILTER_SUP(hw->mac.type);
+
+ ret = cons_parse_syn_filter(attr, pattern,
+ actions, filter, error);
+
+ if (hw->mac.type == e1000_82576) {
+ if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue number not "
+ "supported by syn filter");
+ return -rte_errno;
+ }
+ } else {
+ if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) {
+ memset(filter, 0, sizeof(struct rte_eth_syn_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue number not "
+ "supported by syn filter");
+ return -rte_errno;
+ }
+ }
+
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/**
+ * Parse the rule to see if it is a flex byte rule.
+ * And get the flex byte filter info BTW.
+ * pattern:
+ * The first not void item must be RAW.
+ * The second not void item can be RAW or END.
+ * The third not void item can be RAW or END.
+ * The last not void item must be END.
+ * action:
+ * The first not void action should be QUEUE.
+ * The next not void action should be END.
+ * pattern example:
+ * ITEM Spec Mask
+ * RAW relative 0 0x1
+ * offset 0 0xFFFFFFFF
+ * pattern {0x08, 0x06} {0xFF, 0xFF}
+ * RAW relative 1 0x1
+ * offset 100 0xFFFFFFFF
+ * pattern {0x11, 0x22, 0x33} {0xFF, 0xFF, 0xFF}
+ * END
+ * other members in mask and spec should set to 0x00.
+ * item->last should be NULL.
+ */
+static int
+cons_parse_flex_filter(const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_flex_filter *filter,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item;
+ const struct rte_flow_action *act;
+ const struct rte_flow_item_raw *raw_spec;
+ const struct rte_flow_item_raw *raw_mask;
+ const struct rte_flow_action_queue *act_q;
+ uint32_t index, i, offset, total_offset;
+ uint32_t max_offset = 0;
+ int32_t shift, j, raw_index = 0;
+ int32_t relative[IGB_FLEX_RAW_NUM] = {0};
+ int32_t raw_offset[IGB_FLEX_RAW_NUM] = {0};
+
+ if (!pattern) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM_NUM,
+ NULL, "NULL pattern.");
+ return -rte_errno;
+ }
+
+ if (!actions) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION_NUM,
+ NULL, "NULL action.");
+ return -rte_errno;
+ }
+
+ if (!attr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL, "NULL attribute.");
+ return -rte_errno;
+ }
+
+ /* parse pattern */
+ index = 0;
+
+item_loop:
+
+ /* the first not void item should be RAW */
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by flex filter");
+ return -rte_errno;
+ }
+ /*Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+
+ raw_spec = (const struct rte_flow_item_raw *)item->spec;
+ raw_mask = (const struct rte_flow_item_raw *)item->mask;
+
+ if (!raw_mask->length ||
+ !raw_mask->relative) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by flex filter");
+ return -rte_errno;
+ }
+
+ if (raw_mask->offset)
+ offset = raw_spec->offset;
+ else
+ offset = 0;
+
+ for (j = 0; j < raw_spec->length; j++) {
+ if (raw_mask->pattern[j] != 0xFF) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by flex filter");
+ return -rte_errno;
+ }
+ }
+
+ total_offset = 0;
+
+ if (raw_spec->relative) {
+ for (j = raw_index; j > 0; j--) {
+ total_offset += raw_offset[j - 1];
+ if (!relative[j - 1])
+ break;
+ }
+ if (total_offset + raw_spec->length + offset > max_offset)
+ max_offset = total_offset + raw_spec->length + offset;
+ } else {
+ if (raw_spec->length + offset > max_offset)
+ max_offset = raw_spec->length + offset;
+ }
+
+ if ((raw_spec->length + offset + total_offset) >
+ RTE_FLEX_FILTER_MAXLEN) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by flex filter");
+ return -rte_errno;
+ }
+
+ if (raw_spec->relative == 0) {
+ for (j = 0; j < raw_spec->length; j++)
+ filter->bytes[offset + j] =
+ raw_spec->pattern[j];
+ j = offset / CHAR_BIT;
+ shift = offset % CHAR_BIT;
+ } else {
+ for (j = 0; j < raw_spec->length; j++)
+ filter->bytes[total_offset + offset + j] =
+ raw_spec->pattern[j];
+ j = (total_offset + offset) / CHAR_BIT;
+ shift = (total_offset + offset) % CHAR_BIT;
+ }
+
+ i = 0;
+
+ for ( ; shift < CHAR_BIT; shift++) {
+ filter->mask[j] |= (0x80 >> shift);
+ i++;
+ if (i == raw_spec->length)
+ break;
+ if (shift == (CHAR_BIT - 1)) {
+ j++;
+ shift = -1;
+ }
+ }
+
+ relative[raw_index] = raw_spec->relative;
+ raw_offset[raw_index] = offset + raw_spec->length;
+ raw_index++;
+
+ /* check if the next not void item is RAW */
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+ item->type != RTE_FLOW_ITEM_TYPE_END) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by flex filter");
+ return -rte_errno;
+ }
+
+ /* go back to parser */
+ if (item->type == RTE_FLOW_ITEM_TYPE_RAW) {
+ /* if the item is RAW, the content should be parse */
+ goto item_loop;
+ }
+
+ filter->len = RTE_ALIGN(max_offset, 8);
+
+ /* parse action */
+ index = 0;
+
+ /* check if the first not void action is QUEUE. */
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ act_q = (const struct rte_flow_action_queue *)act->conf;
+ filter->queue = act_q->index;
+
+ /* check if the next not void item is END */
+ index++;
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* parse attr */
+ /* must be input direction */
+ if (!attr->ingress) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->egress) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ if (attr->priority > 0xFFFF) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Error priority.");
+ return -rte_errno;
+ }
+
+ filter->priority = (uint16_t)attr->priority;
+
+ return 0;
+}
+
+static int
+igb_parse_flex_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_eth_flex_filter *filter,
+ struct rte_flow_error *error)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int ret;
+
+ MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
+
+ ret = cons_parse_flex_filter(attr, pattern,
+ actions, filter, error);
+
+ if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) {
+ memset(filter, 0, sizeof(struct rte_eth_flex_filter));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "queue number not supported by flex filter");
+ return -rte_errno;
+ }
+
+ if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN ||
+ filter->len % sizeof(uint64_t) != 0) {
+ PMD_DRV_LOG(ERR, "filter's length is out of range");
+ return -EINVAL;
+ }
+
+ if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
+ PMD_DRV_LOG(ERR, "filter's priority is out of range");
+ return -EINVAL;
+ }
+
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/**
+ * Create a flow rule.
+ * Theorically one rule can match more than one filters.
+ * We will let it use the filter which it hitt first.
+ * So, the sequence matters.
+ */
+static struct rte_flow *
+igb_flow_create(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error)
+{
+ int ret;
+ struct rte_eth_ntuple_filter ntuple_filter;
+ struct rte_eth_ethertype_filter ethertype_filter;
+ struct rte_eth_syn_filter syn_filter;
+ struct rte_eth_flex_filter flex_filter;
+ struct rte_flow *flow = NULL;
+ struct igb_ntuple_filter_ele *ntuple_filter_ptr;
+ struct igb_ethertype_filter_ele *ethertype_filter_ptr;
+ struct igb_eth_syn_filter_ele *syn_filter_ptr;
+ struct igb_flex_filter_ele *flex_filter_ptr;
+ struct igb_flow_mem *igb_flow_mem_ptr;
+
+ flow = rte_zmalloc("igb_rte_flow", sizeof(struct rte_flow), 0);
+ if (!flow) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ return (struct rte_flow *)flow;
+ }
+ igb_flow_mem_ptr = rte_zmalloc("igb_flow_mem",
+ sizeof(struct igb_flow_mem), 0);
+ if (!igb_flow_mem_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ rte_free(flow);
+ return NULL;
+ }
+ igb_flow_mem_ptr->flow = flow;
+ igb_flow_mem_ptr->dev = dev;
+ TAILQ_INSERT_TAIL(&igb_flow_list,
+ igb_flow_mem_ptr, entries);
+
+ memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ ret = igb_parse_ntuple_filter(dev, attr, pattern,
+ actions, &ntuple_filter, error);
+ if (!ret) {
+ ret = igb_add_del_ntuple_filter(dev, &ntuple_filter, TRUE);
+ if (!ret) {
+ ntuple_filter_ptr = rte_zmalloc("igb_ntuple_filter",
+ sizeof(struct igb_ntuple_filter_ele), 0);
+ (void)rte_memcpy(&ntuple_filter_ptr->filter_info,
+ &ntuple_filter,
+ sizeof(struct rte_eth_ntuple_filter));
+ TAILQ_INSERT_TAIL(&igb_filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ flow->rule = ntuple_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_NTUPLE;
+ return flow;
+ }
+ goto out;
+ }
+
+ memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ ret = igb_parse_ethertype_filter(dev, attr, pattern,
+ actions, ðertype_filter, error);
+ if (!ret) {
+ ret = igb_add_del_ethertype_filter(dev,
+ ðertype_filter, TRUE);
+ if (!ret) {
+ ethertype_filter_ptr = rte_zmalloc(
+ "igb_ethertype_filter",
+ sizeof(struct igb_ethertype_filter_ele), 0);
+ (void)rte_memcpy(ðertype_filter_ptr->filter_info,
+ ðertype_filter,
+ sizeof(struct rte_eth_ethertype_filter));
+ TAILQ_INSERT_TAIL(&igb_filter_ethertype_list,
+ ethertype_filter_ptr, entries);
+ flow->rule = ethertype_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_ETHERTYPE;
+ return flow;
+ }
+ goto out;
+ }
+
+ memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter));
+ ret = igb_parse_syn_filter(dev, attr, pattern,
+ actions, &syn_filter, error);
+ if (!ret) {
+ ret = eth_igb_syn_filter_set(dev, &syn_filter, TRUE);
+ if (!ret) {
+ syn_filter_ptr = rte_zmalloc("igb_syn_filter",
+ sizeof(struct igb_eth_syn_filter_ele), 0);
+ (void)rte_memcpy(&syn_filter_ptr->filter_info,
+ &syn_filter,
+ sizeof(struct rte_eth_syn_filter));
+ TAILQ_INSERT_TAIL(&igb_filter_syn_list,
+ syn_filter_ptr,
+ entries);
+ flow->rule = syn_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_SYN;
+ return flow;
+ }
+ goto out;
+ }
+
+ memset(&flex_filter, 0, sizeof(struct rte_eth_flex_filter));
+ ret = igb_parse_flex_filter(dev, attr, pattern,
+ actions, &flex_filter, error);
+ if (!ret) {
+ ret = eth_igb_add_del_flex_filter(dev, &flex_filter, TRUE);
+ if (!ret) {
+ flex_filter_ptr = rte_zmalloc("igb_flex_filter",
+ sizeof(struct igb_flex_filter_ele), 0);
+ (void)rte_memcpy(&flex_filter_ptr->filter_info,
+ &flex_filter,
+ sizeof(struct rte_eth_flex_filter));
+ TAILQ_INSERT_TAIL(&igb_filter_flex_list,
+ flex_filter_ptr, entries);
+ flow->rule = flex_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_FLEXIBLE;
+ return flow;
+ }
+ }
+
+out:
+ TAILQ_REMOVE(&igb_flow_list,
+ igb_flow_mem_ptr, entries);
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to create flow.");
+ rte_free(igb_flow_mem_ptr);
+ rte_free(flow);
+ return NULL;
+}
+
+/**
+ * Check if the flow rule is supported by igb.
+ * It only checkes the format. Don't guarantee the rule can be programmed into
+ * the HW. Because there can be no enough room for the rule.
+ */
+static int
+igb_flow_validate(__rte_unused struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error)
+{
+ struct rte_eth_ntuple_filter ntuple_filter;
+ struct rte_eth_ethertype_filter ethertype_filter;
+ struct rte_eth_syn_filter syn_filter;
+ struct rte_eth_flex_filter flex_filter;
+ int ret;
+
+ memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ ret = igb_parse_ntuple_filter(dev, attr, pattern,
+ actions, &ntuple_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ ret = igb_parse_ethertype_filter(dev, attr, pattern,
+ actions, ðertype_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter));
+ ret = igb_parse_syn_filter(dev, attr, pattern,
+ actions, &syn_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(&flex_filter, 0, sizeof(struct rte_eth_flex_filter));
+ ret = igb_parse_flex_filter(dev, attr, pattern,
+ actions, &flex_filter, error);
+
+ return ret;
+}
+
+/* Destroy a flow rule on igb. */
+static int
+igb_flow_destroy(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ struct rte_flow_error *error)
+{
+ int ret;
+ struct rte_flow *pmd_flow = flow;
+ enum rte_filter_type filter_type = pmd_flow->filter_type;
+ struct igb_ntuple_filter_ele *ntuple_filter_ptr;
+ struct igb_ethertype_filter_ele *ethertype_filter_ptr;
+ struct igb_eth_syn_filter_ele *syn_filter_ptr;
+ struct igb_flex_filter_ele *flex_filter_ptr;
+ struct igb_flow_mem *igb_flow_mem_ptr;
+
+ switch (filter_type) {
+ case RTE_ETH_FILTER_NTUPLE:
+ ntuple_filter_ptr = (struct igb_ntuple_filter_ele *)
+ pmd_flow->rule;
+ ret = igb_add_del_ntuple_filter(dev,
+ &ntuple_filter_ptr->filter_info, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&igb_filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ rte_free(ntuple_filter_ptr);
+ }
+ break;
+ case RTE_ETH_FILTER_ETHERTYPE:
+ ethertype_filter_ptr = (struct igb_ethertype_filter_ele *)
+ pmd_flow->rule;
+ ret = igb_add_del_ethertype_filter(dev,
+ ðertype_filter_ptr->filter_info, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&igb_filter_ethertype_list,
+ ethertype_filter_ptr, entries);
+ rte_free(ethertype_filter_ptr);
+ }
+ break;
+ case RTE_ETH_FILTER_SYN:
+ syn_filter_ptr = (struct igb_eth_syn_filter_ele *)
+ pmd_flow->rule;
+ ret = eth_igb_syn_filter_set(dev,
+ &syn_filter_ptr->filter_info, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&igb_filter_syn_list,
+ syn_filter_ptr, entries);
+ rte_free(syn_filter_ptr);
+ }
+ break;
+ case RTE_ETH_FILTER_FLEXIBLE:
+ flex_filter_ptr = (struct igb_flex_filter_ele *)
+ pmd_flow->rule;
+ ret = eth_igb_add_del_flex_filter(dev,
+ &flex_filter_ptr->filter_info, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&igb_filter_flex_list,
+ flex_filter_ptr, entries);
+ rte_free(flex_filter_ptr);
+ }
+ break;
+ default:
+ PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
+ filter_type);
+ ret = -EINVAL;
+ break;
+ }
+
+ if (ret) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "Failed to destroy flow");
+ return ret;
+ }
+
+ TAILQ_FOREACH(igb_flow_mem_ptr, &igb_flow_list, entries) {
+ if (igb_flow_mem_ptr->flow == pmd_flow) {
+ TAILQ_REMOVE(&igb_flow_list,
+ igb_flow_mem_ptr, entries);
+ rte_free(igb_flow_mem_ptr);
+ }
+ }
+ rte_free(flow);
+
+ return ret;
+}
+
+/* remove all the n-tuple filters */
+static void
+igb_clear_all_ntuple_filter(struct rte_eth_dev *dev)
+{
+ struct e1000_filter_info *filter_info =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ struct e1000_5tuple_filter *p_5tuple;
+ struct e1000_2tuple_filter *p_2tuple;
+
+ while ((p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list)))
+ igb_delete_5tuple_filter_82576(dev, p_5tuple);
+
+ while ((p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list)))
+ igb_delete_2tuple_filter(dev, p_2tuple);
+}
+
+/* remove all the ether type filters */
+static void
+igb_clear_all_ethertype_filter(struct rte_eth_dev *dev)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct e1000_filter_info *filter_info =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ int i;
+
+ for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
+ if (filter_info->ethertype_mask & (1 << i)) {
+ (void)igb_ethertype_filter_remove(filter_info,
+ (uint8_t)i);
+ E1000_WRITE_REG(hw, E1000_ETQF(i), 0);
+ E1000_WRITE_FLUSH(hw);
+ }
+ }
+}
+
+/* remove the SYN filter */
+static void
+igb_clear_syn_filter(struct rte_eth_dev *dev)
+{
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct e1000_filter_info *filter_info =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+
+ if (filter_info->syn_info & E1000_SYN_FILTER_ENABLE) {
+ filter_info->syn_info = 0;
+ E1000_WRITE_REG(hw, E1000_SYNQF(0), 0);
+ E1000_WRITE_FLUSH(hw);
+ }
+}
+
+/* remove all the flex filters */
+static void
+igb_clear_all_flex_filter(struct rte_eth_dev *dev)
+{
+ struct e1000_filter_info *filter_info =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ struct e1000_flex_filter *flex_filter;
+
+ while ((flex_filter = TAILQ_FIRST(&filter_info->flex_list)))
+ igb_remove_flex_filter(dev, flex_filter);
+}
+
+void
+igb_filterlist_flush(struct rte_eth_dev *dev)
+{
+ struct igb_ntuple_filter_ele *ntuple_filter_ptr;
+ struct igb_ethertype_filter_ele *ethertype_filter_ptr;
+ struct igb_eth_syn_filter_ele *syn_filter_ptr;
+ struct igb_flex_filter_ele *flex_filter_ptr;
+ struct igb_flow_mem *igb_flow_mem_ptr;
+ enum rte_filter_type filter_type;
+ struct rte_flow *pmd_flow;
+
+ TAILQ_FOREACH(igb_flow_mem_ptr, &igb_flow_list, entries) {
+ if (igb_flow_mem_ptr->dev == dev) {
+ pmd_flow = igb_flow_mem_ptr->flow;
+ filter_type = pmd_flow->filter_type;
+
+ switch (filter_type) {
+ case RTE_ETH_FILTER_NTUPLE:
+ ntuple_filter_ptr =
+ (struct igb_ntuple_filter_ele *)
+ pmd_flow->rule;
+ TAILQ_REMOVE(&igb_filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ rte_free(ntuple_filter_ptr);
+ break;
+ case RTE_ETH_FILTER_ETHERTYPE:
+ ethertype_filter_ptr =
+ (struct igb_ethertype_filter_ele *)
+ pmd_flow->rule;
+ TAILQ_REMOVE(&igb_filter_ethertype_list,
+ ethertype_filter_ptr, entries);
+ rte_free(ethertype_filter_ptr);
+ break;
+ case RTE_ETH_FILTER_SYN:
+ syn_filter_ptr =
+ (struct igb_eth_syn_filter_ele *)
+ pmd_flow->rule;
+ TAILQ_REMOVE(&igb_filter_syn_list,
+ syn_filter_ptr, entries);
+ rte_free(syn_filter_ptr);
+ break;
+ case RTE_ETH_FILTER_FLEXIBLE:
+ flex_filter_ptr =
+ (struct igb_flex_filter_ele *)
+ pmd_flow->rule;
+ TAILQ_REMOVE(&igb_filter_flex_list,
+ flex_filter_ptr, entries);
+ rte_free(flex_filter_ptr);
+ break;
+ default:
+ PMD_DRV_LOG(WARNING, "Filter type"
+ "(%d) not supported", filter_type);
+ break;
+ }
+ TAILQ_REMOVE(&igb_flow_list,
+ igb_flow_mem_ptr,
+ entries);
+ rte_free(igb_flow_mem_ptr->flow);
+ rte_free(igb_flow_mem_ptr);
+ }
+ }
+}
+
+/* Destroy all flow rules associated with a port on igb. */
+static int
+igb_flow_flush(struct rte_eth_dev *dev,
+ __rte_unused struct rte_flow_error *error)
+{
+ igb_clear_all_ntuple_filter(dev);
+ igb_clear_all_ethertype_filter(dev);
+ igb_clear_syn_filter(dev);
+ igb_clear_all_flex_filter(dev);
+ igb_filterlist_flush(dev);
+
+ return 0;
+}
+
+const struct rte_flow_ops igb_flow_ops = {
+ .validate = igb_flow_validate,
+ .create = igb_flow_create,
+ .destroy = igb_flow_destroy,
+ .flush = igb_flow_flush,
+};
Code Review / deb_dpdk.git / blobdiff