--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev_driver.h>
+#include <rte_log.h>
+#include <rte_malloc.h>
+#include <rte_eth_ctrl.h>
+#include <rte_tailq.h>
+#include <rte_flow_driver.h>
+
+#include "ice_logs.h"
+#include "base/ice_type.h"
+#include "base/ice_flow.h"
+#include "ice_ethdev.h"
+#include "ice_generic_flow.h"
+
+#define ICE_ACTION_RSS_MAX_QUEUE_NUM 32
+
+struct rss_type_match_hdr {
+ uint32_t hdr_mask;
+ uint64_t eth_rss_hint;
+};
+
+struct ice_hash_match_type {
+ uint64_t hash_type;
+ uint64_t hash_flds;
+};
+
+struct rss_meta {
+ uint32_t pkt_hdr;
+ uint64_t hash_flds;
+ uint8_t hash_function;
+};
+
+static int
+ice_hash_init(struct ice_adapter *ad);
+
+static int
+ice_hash_create(struct ice_adapter *ad,
+ struct rte_flow *flow,
+ void *meta,
+ struct rte_flow_error *error);
+
+static int
+ice_hash_destroy(struct ice_adapter *ad,
+ struct rte_flow *flow,
+ struct rte_flow_error *error);
+
+static void
+ice_hash_uninit(struct ice_adapter *ad);
+
+static void
+ice_hash_free(struct rte_flow *flow);
+
+static int
+ice_hash_parse_pattern_action(struct ice_adapter *ad,
+ struct ice_pattern_match_item *array,
+ uint32_t array_len,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ void **meta,
+ struct rte_flow_error *error);
+
+/* The first member is protocol header, the second member is ETH_RSS_*. */
+struct rss_type_match_hdr hint_0 = {
+ ICE_FLOW_SEG_HDR_NONE, 0};
+struct rss_type_match_hdr hint_1 = {
+ ICE_FLOW_SEG_HDR_IPV4, ETH_RSS_IPV4};
+struct rss_type_match_hdr hint_2 = {
+ ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_UDP, ETH_RSS_NONFRAG_IPV4_UDP};
+struct rss_type_match_hdr hint_3 = {
+ ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_TCP, ETH_RSS_NONFRAG_IPV4_TCP};
+struct rss_type_match_hdr hint_4 = {
+ ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_SCTP, ETH_RSS_NONFRAG_IPV4_SCTP};
+struct rss_type_match_hdr hint_5 = {
+ ICE_FLOW_SEG_HDR_IPV6, ETH_RSS_IPV6};
+struct rss_type_match_hdr hint_6 = {
+ ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_UDP, ETH_RSS_NONFRAG_IPV6_UDP};
+struct rss_type_match_hdr hint_7 = {
+ ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_TCP, ETH_RSS_NONFRAG_IPV6_TCP};
+struct rss_type_match_hdr hint_8 = {
+ ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_SCTP, ETH_RSS_NONFRAG_IPV6_SCTP};
+struct rss_type_match_hdr hint_9 = {
+ ICE_FLOW_SEG_HDR_GTPU_IP, ETH_RSS_IPV4};
+struct rss_type_match_hdr hint_10 = {
+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_IPV4};
+struct rss_type_match_hdr hint_11 = {
+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_UDP};
+struct rss_type_match_hdr hint_12 = {
+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_TCP};
+struct rss_type_match_hdr hint_13 = {
+ ICE_FLOW_SEG_HDR_PPPOE, ETH_RSS_NONFRAG_IPV4_SCTP};
+
+/* Supported pattern for os default package. */
+static struct ice_pattern_match_item ice_hash_pattern_list_os[] = {
+ {pattern_eth_ipv4, ICE_INSET_NONE, &hint_1},
+ {pattern_eth_ipv4_udp, ICE_INSET_NONE, &hint_2},
+ {pattern_eth_ipv4_tcp, ICE_INSET_NONE, &hint_3},
+ {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_4},
+ {pattern_eth_ipv6, ICE_INSET_NONE, &hint_5},
+ {pattern_eth_ipv6_udp, ICE_INSET_NONE, &hint_6},
+ {pattern_eth_ipv6_tcp, ICE_INSET_NONE, &hint_7},
+ {pattern_eth_ipv6_sctp, ICE_INSET_NONE, &hint_8},
+ {pattern_empty, ICE_INSET_NONE, &hint_0},
+};
+
+/* Supported pattern for comms package. */
+static struct ice_pattern_match_item ice_hash_pattern_list_comms[] = {
+ {pattern_eth_ipv4, ICE_INSET_NONE, &hint_1},
+ {pattern_eth_ipv4_udp, ICE_INSET_NONE, &hint_2},
+ {pattern_eth_ipv4_tcp, ICE_INSET_NONE, &hint_3},
+ {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_4},
+ {pattern_eth_ipv6, ICE_INSET_NONE, &hint_5},
+ {pattern_eth_ipv6_udp, ICE_INSET_NONE, &hint_6},
+ {pattern_eth_ipv6_tcp, ICE_INSET_NONE, &hint_7},
+ {pattern_eth_ipv6_sctp, ICE_INSET_NONE, &hint_8},
+ {pattern_empty, ICE_INSET_NONE, &hint_0},
+ {pattern_eth_ipv4_gtpu_ipv4, ICE_INSET_NONE, &hint_9},
+ {pattern_eth_ipv4_gtpu_ipv4_udp, ICE_INSET_NONE, &hint_9},
+ {pattern_eth_ipv4_gtpu_ipv4_tcp, ICE_INSET_NONE, &hint_9},
+ {pattern_eth_pppoes_ipv4, ICE_INSET_NONE, &hint_10},
+ {pattern_eth_pppoes_ipv4_udp, ICE_INSET_NONE, &hint_11},
+ {pattern_eth_pppoes_ipv4_tcp, ICE_INSET_NONE, &hint_12},
+ {pattern_eth_pppoes_ipv4_sctp, ICE_INSET_NONE, &hint_13},
+};
+
+/**
+ * The first member is input set combination,
+ * the second member is hash fields.
+ */
+struct ice_hash_match_type ice_hash_type_list[] = {
+ {ETH_RSS_IPV4 | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
+ {ETH_RSS_IPV4 | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
+ {ETH_RSS_IPV4, ICE_FLOW_HASH_IPV4},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_UDP, ICE_HASH_UDP_IPV4},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_TCP, ICE_HASH_TCP_IPV4},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV4_SCTP, ICE_HASH_SCTP_IPV4},
+ {ETH_RSS_IPV6 | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
+ {ETH_RSS_IPV6 | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
+ {ETH_RSS_IPV6, ICE_FLOW_HASH_IPV6},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_UDP, ICE_HASH_UDP_IPV6},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_TCP, ICE_HASH_TCP_IPV6},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) | BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_SRC_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_DST_ONLY, BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
+ {ETH_RSS_NONFRAG_IPV6_SCTP, ICE_HASH_SCTP_IPV6},
+};
+
+static struct ice_flow_engine ice_hash_engine = {
+ .init = ice_hash_init,
+ .create = ice_hash_create,
+ .destroy = ice_hash_destroy,
+ .uninit = ice_hash_uninit,
+ .free = ice_hash_free,
+ .type = ICE_FLOW_ENGINE_HASH,
+};
+
+/* Register parser for os package. */
+static struct ice_flow_parser ice_hash_parser_os = {
+ .engine = &ice_hash_engine,
+ .array = ice_hash_pattern_list_os,
+ .array_len = RTE_DIM(ice_hash_pattern_list_os),
+ .parse_pattern_action = ice_hash_parse_pattern_action,
+ .stage = ICE_FLOW_STAGE_RSS,
+};
+
+/* Register parser for comms package. */
+static struct ice_flow_parser ice_hash_parser_comms = {
+ .engine = &ice_hash_engine,
+ .array = ice_hash_pattern_list_comms,
+ .array_len = RTE_DIM(ice_hash_pattern_list_comms),
+ .parse_pattern_action = ice_hash_parse_pattern_action,
+ .stage = ICE_FLOW_STAGE_RSS,
+};
+
+RTE_INIT(ice_hash_engine_init)
+{
+ struct ice_flow_engine *engine = &ice_hash_engine;
+ ice_register_flow_engine(engine);
+}
+
+static int
+ice_hash_init(struct ice_adapter *ad)
+{
+ struct ice_flow_parser *parser = NULL;
+
+ if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
+ parser = &ice_hash_parser_os;
+ else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
+ parser = &ice_hash_parser_comms;
+
+ return ice_register_parser(parser, ad);
+}
+
+static int
+ice_hash_check_inset(const struct rte_flow_item pattern[],
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_item *item = pattern;
+
+ for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Not support range");
+ return -rte_errno;
+ }
+
+ /* Ignore spec and mask. */
+ if (item->spec || item->mask) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Invalid spec/mask.");
+ return -rte_errno;
+ }
+ }
+
+ return 0;
+}
+
+static int
+ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
+ const struct rte_flow_action actions[],
+ void **meta,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action *action;
+ enum rte_flow_action_type action_type;
+ const struct rte_flow_action_rss *rss;
+ struct rss_type_match_hdr *m = (struct rss_type_match_hdr *)
+ (pattern_match_item->meta);
+ uint32_t type_list_len = RTE_DIM(ice_hash_type_list);
+ struct ice_hash_match_type *type_match_item;
+ uint64_t rss_hf;
+ uint16_t i;
+
+ /* Supported action is RSS. */
+ for (action = actions; action->type !=
+ RTE_FLOW_ACTION_TYPE_END; action++) {
+ action_type = action->type;
+ switch (action_type) {
+ case RTE_FLOW_ACTION_TYPE_RSS:
+ rss = action->conf;
+ rss_hf = rss->types;
+
+ /**
+ * Check simultaneous use of SRC_ONLY and DST_ONLY
+ * of the same level.
+ */
+ rss_hf = rte_eth_rss_hf_refine(rss_hf);
+
+ /* Check if pattern is empty. */
+ if (pattern_match_item->pattern_list !=
+ pattern_empty && rss->func ==
+ RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "Not supported flow");
+
+ /* Check if rss types match pattern. */
+ if (rss->func != RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
+ if (((rss_hf & ETH_RSS_IPV4) != m->eth_rss_hint) ||
+ ((rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) != m->eth_rss_hint) ||
+ ((rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) != m->eth_rss_hint) ||
+ ((rss_hf & ETH_RSS_NONFRAG_IPV4_SCTP) != m->eth_rss_hint) ||
+ ((rss_hf & ETH_RSS_IPV6) != m->eth_rss_hint) ||
+ ((rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) != m->eth_rss_hint) ||
+ ((rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) != m->eth_rss_hint) ||
+ ((rss_hf & ETH_RSS_NONFRAG_IPV6_SCTP) != m->eth_rss_hint))
+ return rte_flow_error_set(error,
+ ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
+ action, "Not supported RSS types");
+ }
+
+ if (rss->level)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "a nonzero RSS encapsulation level is not supported");
+
+ if (rss->key_len == 0)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "RSS hash key_len mustn't be 0");
+
+ if (rss->queue_num > ICE_ACTION_RSS_MAX_QUEUE_NUM)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "too many queues for RSS context");
+
+ /* Check hash function and save it to rss_meta. */
+ if (rss->func ==
+ RTE_ETH_HASH_FUNCTION_SIMPLE_XOR)
+ ((struct rss_meta *)*meta)->hash_function =
+ RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
+
+ if (rss->func ==
+ RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ)
+ ((struct rss_meta *)*meta)->hash_function =
+ RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
+
+ type_match_item = rte_zmalloc("ice_type_match_item",
+ sizeof(struct ice_hash_match_type), 0);
+ if (!type_match_item) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "No memory for type_match_item");
+ return -ENOMEM;
+ }
+
+ /* Find matched hash fields according to hash type. */
+ for (i = 0; i < type_list_len; i++) {
+ if (rss_hf ==
+ ice_hash_type_list[i].hash_type) {
+ type_match_item->hash_type =
+ ice_hash_type_list[i].hash_type;
+ type_match_item->hash_flds =
+ ice_hash_type_list[i].hash_flds;
+ }
+ }
+
+ /* Save hash fileds to rss_meta. */
+ ((struct rss_meta *)*meta)->hash_flds =
+ type_match_item->hash_flds;
+
+ rte_free(type_match_item);
+ break;
+
+ case RTE_FLOW_ACTION_TYPE_END:
+ break;
+
+ default:
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, action,
+ "Invalid action.");
+ return -rte_errno;
+ }
+ }
+
+ return 0;
+}
+
+static int
+ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
+ struct ice_pattern_match_item *array,
+ uint32_t array_len,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ void **meta,
+ struct rte_flow_error *error)
+{
+ int ret = 0;
+ struct ice_pattern_match_item *pattern_match_item;
+ struct rss_meta *rss_meta_ptr;
+
+ rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
+ if (!rss_meta_ptr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "No memory for rss_meta_ptr");
+ return -ENOMEM;
+ }
+
+ /* Check rss supported pattern and find matched pattern. */
+ pattern_match_item = ice_search_pattern_match_item(pattern,
+ array, array_len, error);
+ if (!pattern_match_item)
+ return -rte_errno;
+
+ ret = ice_hash_check_inset(pattern, error);
+ if (ret)
+ return -rte_errno;
+
+ /* Save protocol header to rss_meta. */
+ *meta = rss_meta_ptr;
+ ((struct rss_meta *)*meta)->pkt_hdr = ((struct rss_type_match_hdr *)
+ (pattern_match_item->meta))->hdr_mask;
+
+ /* Check rss action. */
+ ret = ice_hash_parse_action(pattern_match_item, actions, meta, error);
+ if (ret)
+ return -rte_errno;
+
+ rte_free(pattern_match_item);
+
+ return 0;
+}
+
+static int
+ice_hash_create(struct ice_adapter *ad,
+ struct rte_flow *flow,
+ void *meta,
+ struct rte_flow_error *error)
+{
+ struct ice_pf *pf = &ad->pf;
+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
+ struct ice_vsi *vsi = pf->main_vsi;
+ int ret;
+ uint32_t reg;
+ struct ice_rss_cfg *filter_ptr;
+
+ uint32_t headermask = ((struct rss_meta *)meta)->pkt_hdr;
+ uint64_t hash_field = ((struct rss_meta *)meta)->hash_flds;
+ uint8_t hash_function = ((struct rss_meta *)meta)->hash_function;
+
+ filter_ptr = rte_zmalloc("ice_rss_filter",
+ sizeof(struct ice_rss_cfg), 0);
+ if (!filter_ptr) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "No memory for filter_ptr");
+ return -ENOMEM;
+ }
+
+ if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
+ /* Enable registers for simple_xor hash function. */
+ reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
+ reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
+ (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
+ ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
+
+ filter_ptr->symm = 0;
+
+ goto out;
+ } else if (hash_function == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
+ ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 1);
+ if (ret) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "rss flow create fail");
+ goto error;
+ }
+ } else {
+ ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 0);
+ if (ret) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "rss flow create fail");
+ goto error;
+ }
+ }
+
+ filter_ptr->packet_hdr = headermask;
+ filter_ptr->hashed_flds = hash_field;
+
+out:
+ flow->rule = filter_ptr;
+ rte_free(meta);
+ return 0;
+
+error:
+ rte_free(filter_ptr);
+ rte_free(meta);
+ return -rte_errno;
+}
+
+static int
+ice_hash_destroy(struct ice_adapter *ad,
+ struct rte_flow *flow,
+ struct rte_flow_error *error)
+{
+ struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
+ struct ice_hw *hw = ICE_PF_TO_HW(pf);
+ struct ice_vsi *vsi = pf->main_vsi;
+ int ret;
+ uint32_t reg;
+ struct ice_rss_cfg *filter_ptr;
+
+ filter_ptr = (struct ice_rss_cfg *)flow->rule;
+
+ if (filter_ptr->symm == 0) {
+ /* Return to symmetric_toeplitz state. */
+ reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
+ reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
+ (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
+ ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
+ } else {
+ ret = ice_rem_vsi_rss_cfg(hw, vsi->idx);
+ if (ret) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "rss flow destroy fail");
+ goto error;
+ }
+ }
+
+ rte_free(filter_ptr);
+ return 0;
+
+error:
+ rte_free(filter_ptr);
+ return -rte_errno;
+}
+
+static void
+ice_hash_uninit(struct ice_adapter *ad)
+{
+ if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
+ ice_unregister_parser(&ice_hash_parser_os, ad);
+ else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
+ ice_unregister_parser(&ice_hash_parser_comms, ad);
+}
+
+static void
+ice_hash_free(struct rte_flow *flow)
+{
+ rte_free(flow->rule);
+}
git.droids-corp.org / dpdk.git / commitdiff