numam-dpdk/drivers/net/ice/ice_hash.c
Alvin Zhang e495e930a9 net/ice: support IPv4/L4 checksum RSS offload
Add supports for RSS_IPV4_CHKSUM & RSS_L4_CHKSUM RSS offload types
in RSS flow.

Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
2021-09-24 12:57:42 +02:00

1218 lines
38 KiB
C

/* 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 <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_PHINT_NONE 0
#define ICE_PHINT_VLAN BIT_ULL(0)
#define ICE_PHINT_PPPOE BIT_ULL(1)
#define ICE_PHINT_GTPU BIT_ULL(2)
#define ICE_PHINT_GTPU_EH BIT_ULL(3)
#define ICE_PHINT_GTPU_EH_DWN BIT_ULL(4)
#define ICE_PHINT_GTPU_EH_UP BIT_ULL(5)
#define ICE_GTPU_EH_DWNLINK 0
#define ICE_GTPU_EH_UPLINK 1
#define ICE_IPV4_PROT BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)
#define ICE_IPV6_PROT BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)
#define VALID_RSS_IPV4_L4 (ETH_RSS_NONFRAG_IPV4_UDP | \
ETH_RSS_NONFRAG_IPV4_TCP | \
ETH_RSS_NONFRAG_IPV4_SCTP)
#define VALID_RSS_IPV6_L4 (ETH_RSS_NONFRAG_IPV6_UDP | \
ETH_RSS_NONFRAG_IPV6_TCP | \
ETH_RSS_NONFRAG_IPV6_SCTP)
#define VALID_RSS_IPV4 (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | \
VALID_RSS_IPV4_L4)
#define VALID_RSS_IPV6 (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | \
VALID_RSS_IPV6_L4)
#define VALID_RSS_L3 (VALID_RSS_IPV4 | VALID_RSS_IPV6)
#define VALID_RSS_L4 (VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4)
#define VALID_RSS_ATTR (ETH_RSS_L3_SRC_ONLY | \
ETH_RSS_L3_DST_ONLY | \
ETH_RSS_L4_SRC_ONLY | \
ETH_RSS_L4_DST_ONLY | \
ETH_RSS_L2_SRC_ONLY | \
ETH_RSS_L2_DST_ONLY | \
RTE_ETH_RSS_L3_PRE32 | \
RTE_ETH_RSS_L3_PRE48 | \
RTE_ETH_RSS_L3_PRE64)
#define INVALID_RSS_ATTR (RTE_ETH_RSS_L3_PRE40 | \
RTE_ETH_RSS_L3_PRE56 | \
RTE_ETH_RSS_L3_PRE96)
struct ice_rss_meta {
uint8_t hash_function;
struct ice_rss_hash_cfg cfg;
};
struct ice_hash_flow_cfg {
bool simple_xor;
struct ice_rss_cfg rss_cfg;
};
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[],
uint32_t priority,
void **meta,
struct rte_flow_error *error);
/* Rss configuration template */
struct ice_rss_hash_cfg ipv4_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
ICE_FLOW_SEG_HDR_IPV_OTHER,
ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV4,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv4_udp_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv4_tcp_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv4_sctp_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV4 |
ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV4 | ICE_IPV4_PROT,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv6_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
ICE_FLOW_SEG_HDR_IPV_OTHER,
ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV6,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv6_frag_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
ICE_FLOW_SEG_HDR_IPV_FRAG,
ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_IPV6,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv6_udp_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
ICE_FLOW_HASH_ETH | ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv6_tcp_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
ICE_FLOW_HASH_ETH | ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg ipv6_sctp_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_IPV6 |
ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
ICE_FLOW_HASH_ETH | ICE_HASH_SCTP_IPV6 | ICE_IPV6_PROT,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
ICE_FLOW_HASH_IPV4,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
0
};
struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_udp_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_UDP,
ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
0
};
struct ice_rss_hash_cfg outer_ipv4_inner_ipv4_tcp_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_TCP,
ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
0
};
struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
ICE_FLOW_HASH_IPV4,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
0
};
struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_udp_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_UDP,
ICE_HASH_UDP_IPV4 | ICE_IPV4_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
0
};
struct ice_rss_hash_cfg outer_ipv6_inner_ipv4_tcp_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_TCP,
ICE_HASH_TCP_IPV4 | ICE_IPV4_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
0
};
struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
ICE_FLOW_HASH_IPV6,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
0
};
struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_udp_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_UDP,
ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
0
};
struct ice_rss_hash_cfg outer_ipv4_inner_ipv6_tcp_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_TCP,
ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
0
};
struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
ICE_FLOW_HASH_IPV6,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
0
};
struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_udp_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_UDP,
ICE_HASH_UDP_IPV6 | ICE_IPV6_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
0
};
struct ice_rss_hash_cfg outer_ipv6_inner_ipv6_tcp_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_TCP,
ICE_HASH_TCP_IPV6 | ICE_IPV6_PROT,
ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
0
};
struct ice_rss_hash_cfg eth_ipv4_esp_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_ESP,
ICE_FLOW_HASH_ESP_SPI,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv4_udp_esp_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_NAT_T_ESP,
ICE_FLOW_HASH_NAT_T_ESP_SPI,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv4_ah_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_AH,
ICE_FLOW_HASH_AH_SPI,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv4_l2tpv3_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_L2TPV3,
ICE_FLOW_HASH_L2TPV3_SESS_ID,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv4_pfcp_tmplt = {
ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_PFCP_SESSION,
ICE_FLOW_HASH_PFCP_SEID,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv6_esp_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_ESP,
ICE_FLOW_HASH_ESP_SPI,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv6_udp_esp_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_NAT_T_ESP,
ICE_FLOW_HASH_NAT_T_ESP_SPI,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv6_ah_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_AH,
ICE_FLOW_HASH_AH_SPI,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv6_l2tpv3_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_L2TPV3,
ICE_FLOW_HASH_L2TPV3_SESS_ID,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg eth_ipv6_pfcp_tmplt = {
ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
ICE_FLOW_SEG_HDR_PFCP_SESSION,
ICE_FLOW_HASH_PFCP_SEID,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg pppoe_tmplt = {
ICE_FLOW_SEG_HDR_ETH,
ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID,
ICE_RSS_OUTER_HEADERS,
0
};
struct ice_rss_hash_cfg empty_tmplt = {
ICE_FLOW_SEG_HDR_NONE,
0,
ICE_RSS_ANY_HEADERS,
0
};
struct ice_rss_hash_cfg eth_tmplt = {
ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_ETH_NON_IP,
ICE_FLOW_HASH_ETH,
ICE_RSS_OUTER_HEADERS,
0
};
/* IPv4 */
#define ICE_RSS_TYPE_ETH_IPV4 (ETH_RSS_ETH | ETH_RSS_IPV4 | \
ETH_RSS_FRAG_IPV4 | \
ETH_RSS_IPV4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV4_UDP (ICE_RSS_TYPE_ETH_IPV4 | \
ETH_RSS_NONFRAG_IPV4_UDP | \
ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV4_TCP (ICE_RSS_TYPE_ETH_IPV4 | \
ETH_RSS_NONFRAG_IPV4_TCP | \
ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV4_SCTP (ICE_RSS_TYPE_ETH_IPV4 | \
ETH_RSS_NONFRAG_IPV4_SCTP | \
ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_IPV4 ETH_RSS_IPV4
#define ICE_RSS_TYPE_IPV4_UDP (ETH_RSS_IPV4 | \
ETH_RSS_NONFRAG_IPV4_UDP)
#define ICE_RSS_TYPE_IPV4_TCP (ETH_RSS_IPV4 | \
ETH_RSS_NONFRAG_IPV4_TCP)
#define ICE_RSS_TYPE_IPV4_SCTP (ETH_RSS_IPV4 | \
ETH_RSS_NONFRAG_IPV4_SCTP)
/* IPv6 */
#define ICE_RSS_TYPE_ETH_IPV6 (ETH_RSS_ETH | ETH_RSS_IPV6)
#define ICE_RSS_TYPE_ETH_IPV6_FRAG (ETH_RSS_ETH | ETH_RSS_IPV6 | \
ETH_RSS_FRAG_IPV6)
#define ICE_RSS_TYPE_ETH_IPV6_UDP (ICE_RSS_TYPE_ETH_IPV6 | \
ETH_RSS_NONFRAG_IPV6_UDP | \
ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV6_TCP (ICE_RSS_TYPE_ETH_IPV6 | \
ETH_RSS_NONFRAG_IPV6_TCP | \
ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_ETH_IPV6_SCTP (ICE_RSS_TYPE_ETH_IPV6 | \
ETH_RSS_NONFRAG_IPV6_SCTP | \
ETH_RSS_L4_CHKSUM)
#define ICE_RSS_TYPE_IPV6 ETH_RSS_IPV6
#define ICE_RSS_TYPE_IPV6_UDP (ETH_RSS_IPV6 | \
ETH_RSS_NONFRAG_IPV6_UDP)
#define ICE_RSS_TYPE_IPV6_TCP (ETH_RSS_IPV6 | \
ETH_RSS_NONFRAG_IPV6_TCP)
#define ICE_RSS_TYPE_IPV6_SCTP (ETH_RSS_IPV6 | \
ETH_RSS_NONFRAG_IPV6_SCTP)
/* VLAN IPV4 */
#define ICE_RSS_TYPE_VLAN_IPV4 (ICE_RSS_TYPE_IPV4 | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN | \
ETH_RSS_FRAG_IPV4)
#define ICE_RSS_TYPE_VLAN_IPV4_UDP (ICE_RSS_TYPE_IPV4_UDP | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
#define ICE_RSS_TYPE_VLAN_IPV4_TCP (ICE_RSS_TYPE_IPV4_TCP | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
#define ICE_RSS_TYPE_VLAN_IPV4_SCTP (ICE_RSS_TYPE_IPV4_SCTP | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
/* VLAN IPv6 */
#define ICE_RSS_TYPE_VLAN_IPV6 (ICE_RSS_TYPE_IPV6 | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
#define ICE_RSS_TYPE_VLAN_IPV6_FRAG (ICE_RSS_TYPE_IPV6 | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN | \
ETH_RSS_FRAG_IPV6)
#define ICE_RSS_TYPE_VLAN_IPV6_UDP (ICE_RSS_TYPE_IPV6_UDP | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
#define ICE_RSS_TYPE_VLAN_IPV6_TCP (ICE_RSS_TYPE_IPV6_TCP | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
#define ICE_RSS_TYPE_VLAN_IPV6_SCTP (ICE_RSS_TYPE_IPV6_SCTP | \
ETH_RSS_S_VLAN | ETH_RSS_C_VLAN)
/* GTPU IPv4 */
#define ICE_RSS_TYPE_GTPU_IPV4 (ICE_RSS_TYPE_IPV4 | \
ETH_RSS_GTPU)
#define ICE_RSS_TYPE_GTPU_IPV4_UDP (ICE_RSS_TYPE_IPV4_UDP | \
ETH_RSS_GTPU)
#define ICE_RSS_TYPE_GTPU_IPV4_TCP (ICE_RSS_TYPE_IPV4_TCP | \
ETH_RSS_GTPU)
/* GTPU IPv6 */
#define ICE_RSS_TYPE_GTPU_IPV6 (ICE_RSS_TYPE_IPV6 | \
ETH_RSS_GTPU)
#define ICE_RSS_TYPE_GTPU_IPV6_UDP (ICE_RSS_TYPE_IPV6_UDP | \
ETH_RSS_GTPU)
#define ICE_RSS_TYPE_GTPU_IPV6_TCP (ICE_RSS_TYPE_IPV6_TCP | \
ETH_RSS_GTPU)
/* PPPOE */
#define ICE_RSS_TYPE_PPPOE (ETH_RSS_ETH | ETH_RSS_PPPOE)
/* PPPOE IPv4 */
#define ICE_RSS_TYPE_PPPOE_IPV4 (ICE_RSS_TYPE_IPV4 | \
ICE_RSS_TYPE_PPPOE)
#define ICE_RSS_TYPE_PPPOE_IPV4_UDP (ICE_RSS_TYPE_IPV4_UDP | \
ICE_RSS_TYPE_PPPOE)
#define ICE_RSS_TYPE_PPPOE_IPV4_TCP (ICE_RSS_TYPE_IPV4_TCP | \
ICE_RSS_TYPE_PPPOE)
/* PPPOE IPv6 */
#define ICE_RSS_TYPE_PPPOE_IPV6 (ICE_RSS_TYPE_IPV6 | \
ICE_RSS_TYPE_PPPOE)
#define ICE_RSS_TYPE_PPPOE_IPV6_UDP (ICE_RSS_TYPE_IPV6_UDP | \
ICE_RSS_TYPE_PPPOE)
#define ICE_RSS_TYPE_PPPOE_IPV6_TCP (ICE_RSS_TYPE_IPV6_TCP | \
ICE_RSS_TYPE_PPPOE)
/* ESP, AH, L2TPV3 and PFCP */
#define ICE_RSS_TYPE_IPV4_ESP (ETH_RSS_ESP | ETH_RSS_IPV4)
#define ICE_RSS_TYPE_IPV6_ESP (ETH_RSS_ESP | ETH_RSS_IPV6)
#define ICE_RSS_TYPE_IPV4_AH (ETH_RSS_AH | ETH_RSS_IPV4)
#define ICE_RSS_TYPE_IPV6_AH (ETH_RSS_AH | ETH_RSS_IPV6)
#define ICE_RSS_TYPE_IPV4_L2TPV3 (ETH_RSS_L2TPV3 | ETH_RSS_IPV4)
#define ICE_RSS_TYPE_IPV6_L2TPV3 (ETH_RSS_L2TPV3 | ETH_RSS_IPV6)
#define ICE_RSS_TYPE_IPV4_PFCP (ETH_RSS_PFCP | ETH_RSS_IPV4)
#define ICE_RSS_TYPE_IPV6_PFCP (ETH_RSS_PFCP | ETH_RSS_IPV6)
/* MAC */
#define ICE_RSS_TYPE_ETH ETH_RSS_ETH
/**
* Supported pattern for hash.
* The first member is pattern item type,
* the second member is input set mask,
* the third member is ice_rss_hash_cfg template.
*/
static struct ice_pattern_match_item ice_hash_pattern_list[] = {
/* IPV4 */
{pattern_eth_ipv4, ICE_RSS_TYPE_ETH_IPV4, ICE_INSET_NONE, &ipv4_tmplt},
{pattern_eth_ipv4_udp, ICE_RSS_TYPE_ETH_IPV4_UDP, ICE_INSET_NONE, &ipv4_udp_tmplt},
{pattern_eth_ipv4_tcp, ICE_RSS_TYPE_ETH_IPV4_TCP, ICE_INSET_NONE, &ipv4_tcp_tmplt},
{pattern_eth_ipv4_sctp, ICE_RSS_TYPE_ETH_IPV4_SCTP, ICE_INSET_NONE, &ipv4_sctp_tmplt},
{pattern_eth_vlan_ipv4, ICE_RSS_TYPE_VLAN_IPV4, ICE_INSET_NONE, &ipv4_tmplt},
{pattern_eth_vlan_ipv4_udp, ICE_RSS_TYPE_VLAN_IPV4_UDP, ICE_INSET_NONE, &ipv4_udp_tmplt},
{pattern_eth_vlan_ipv4_tcp, ICE_RSS_TYPE_VLAN_IPV4_TCP, ICE_INSET_NONE, &ipv4_tcp_tmplt},
{pattern_eth_vlan_ipv4_sctp, ICE_RSS_TYPE_VLAN_IPV4_SCTP, ICE_INSET_NONE, &ipv4_sctp_tmplt},
{pattern_eth_ipv4_gtpu_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
{pattern_eth_ipv4_gtpu_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
{pattern_eth_ipv4_gtpu_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
{pattern_eth_ipv6_gtpu_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
{pattern_eth_ipv6_gtpu_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
{pattern_eth_ipv6_gtpu_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
{pattern_eth_ipv4_gtpu_eh_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tmplt},
{pattern_eth_ipv4_gtpu_eh_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_udp_tmplt},
{pattern_eth_ipv4_gtpu_eh_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv4_tcp_tmplt},
{pattern_eth_ipv6_gtpu_eh_ipv4, ICE_RSS_TYPE_GTPU_IPV4, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tmplt},
{pattern_eth_ipv6_gtpu_eh_ipv4_udp, ICE_RSS_TYPE_GTPU_IPV4_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_udp_tmplt},
{pattern_eth_ipv6_gtpu_eh_ipv4_tcp, ICE_RSS_TYPE_GTPU_IPV4_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv4_tcp_tmplt},
{pattern_eth_pppoes_ipv4, ICE_RSS_TYPE_PPPOE_IPV4, ICE_INSET_NONE, &ipv4_tmplt},
{pattern_eth_pppoes_ipv4_udp, ICE_RSS_TYPE_PPPOE_IPV4_UDP, ICE_INSET_NONE, &ipv4_udp_tmplt},
{pattern_eth_pppoes_ipv4_tcp, ICE_RSS_TYPE_PPPOE_IPV4_TCP, ICE_INSET_NONE, &ipv4_tcp_tmplt},
{pattern_eth_ipv4_esp, ICE_RSS_TYPE_IPV4_ESP, ICE_INSET_NONE, &eth_ipv4_esp_tmplt},
{pattern_eth_ipv4_udp_esp, ICE_RSS_TYPE_IPV4_ESP, ICE_INSET_NONE, &eth_ipv4_udp_esp_tmplt},
{pattern_eth_ipv4_ah, ICE_RSS_TYPE_IPV4_AH, ICE_INSET_NONE, &eth_ipv4_ah_tmplt},
{pattern_eth_ipv4_l2tp, ICE_RSS_TYPE_IPV4_L2TPV3, ICE_INSET_NONE, &eth_ipv4_l2tpv3_tmplt},
{pattern_eth_ipv4_pfcp, ICE_RSS_TYPE_IPV4_PFCP, ICE_INSET_NONE, &eth_ipv4_pfcp_tmplt},
/* IPV6 */
{pattern_eth_ipv6, ICE_RSS_TYPE_ETH_IPV6, ICE_INSET_NONE, &ipv6_tmplt},
{pattern_eth_ipv6_frag_ext, ICE_RSS_TYPE_ETH_IPV6_FRAG, ICE_INSET_NONE, &ipv6_frag_tmplt},
{pattern_eth_ipv6_udp, ICE_RSS_TYPE_ETH_IPV6_UDP, ICE_INSET_NONE, &ipv6_udp_tmplt},
{pattern_eth_ipv6_tcp, ICE_RSS_TYPE_ETH_IPV6_TCP, ICE_INSET_NONE, &ipv6_tcp_tmplt},
{pattern_eth_ipv6_sctp, ICE_RSS_TYPE_ETH_IPV6_SCTP, ICE_INSET_NONE, &ipv6_sctp_tmplt},
{pattern_eth_vlan_ipv6, ICE_RSS_TYPE_VLAN_IPV6, ICE_INSET_NONE, &ipv6_tmplt},
{pattern_eth_vlan_ipv6_frag_ext, ICE_RSS_TYPE_VLAN_IPV6_FRAG, ICE_INSET_NONE, &ipv6_frag_tmplt},
{pattern_eth_vlan_ipv6_udp, ICE_RSS_TYPE_VLAN_IPV6_UDP, ICE_INSET_NONE, &ipv6_udp_tmplt},
{pattern_eth_vlan_ipv6_tcp, ICE_RSS_TYPE_VLAN_IPV6_TCP, ICE_INSET_NONE, &ipv6_tcp_tmplt},
{pattern_eth_vlan_ipv6_sctp, ICE_RSS_TYPE_VLAN_IPV6_SCTP, ICE_INSET_NONE, &ipv6_sctp_tmplt},
{pattern_eth_ipv4_gtpu_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
{pattern_eth_ipv4_gtpu_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
{pattern_eth_ipv4_gtpu_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
{pattern_eth_ipv6_gtpu_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
{pattern_eth_ipv6_gtpu_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
{pattern_eth_ipv6_gtpu_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
{pattern_eth_ipv4_gtpu_eh_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tmplt},
{pattern_eth_ipv4_gtpu_eh_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_udp_tmplt},
{pattern_eth_ipv4_gtpu_eh_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv4_inner_ipv6_tcp_tmplt},
{pattern_eth_ipv6_gtpu_eh_ipv6, ICE_RSS_TYPE_GTPU_IPV6, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tmplt},
{pattern_eth_ipv6_gtpu_eh_ipv6_udp, ICE_RSS_TYPE_GTPU_IPV6_UDP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_udp_tmplt},
{pattern_eth_ipv6_gtpu_eh_ipv6_tcp, ICE_RSS_TYPE_GTPU_IPV6_TCP, ICE_INSET_NONE, &outer_ipv6_inner_ipv6_tcp_tmplt},
{pattern_eth_pppoes_ipv6, ICE_RSS_TYPE_PPPOE_IPV6, ICE_INSET_NONE, &ipv6_tmplt},
{pattern_eth_pppoes_ipv6_udp, ICE_RSS_TYPE_PPPOE_IPV6_UDP, ICE_INSET_NONE, &ipv6_udp_tmplt},
{pattern_eth_pppoes_ipv6_tcp, ICE_RSS_TYPE_PPPOE_IPV6_TCP, ICE_INSET_NONE, &ipv6_tcp_tmplt},
{pattern_eth_ipv6_esp, ICE_RSS_TYPE_IPV6_ESP, ICE_INSET_NONE, &eth_ipv6_esp_tmplt},
{pattern_eth_ipv6_udp_esp, ICE_RSS_TYPE_IPV6_ESP, ICE_INSET_NONE, &eth_ipv6_udp_esp_tmplt},
{pattern_eth_ipv6_ah, ICE_RSS_TYPE_IPV6_AH, ICE_INSET_NONE, &eth_ipv6_ah_tmplt},
{pattern_eth_ipv6_l2tp, ICE_RSS_TYPE_IPV6_L2TPV3, ICE_INSET_NONE, &eth_ipv6_l2tpv3_tmplt},
{pattern_eth_ipv6_pfcp, ICE_RSS_TYPE_IPV6_PFCP, ICE_INSET_NONE, &eth_ipv6_pfcp_tmplt},
/* PPPOE */
{pattern_eth_pppoes, ICE_RSS_TYPE_PPPOE, ICE_INSET_NONE, &pppoe_tmplt},
/* MAC */
{pattern_ethertype, ICE_RSS_TYPE_ETH, ICE_INSET_NONE, &eth_tmplt},
/* EMPTY */
{pattern_empty, ICE_INSET_NONE, ICE_INSET_NONE, &empty_tmplt},
};
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 = {
.engine = &ice_hash_engine,
.array = ice_hash_pattern_list,
.array_len = RTE_DIM(ice_hash_pattern_list),
.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->hw.dcf_enabled)
return 0;
parser = &ice_hash_parser;
return ice_register_parser(parser, ad);
}
static int
ice_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
struct rte_flow_error *error)
{
const struct rte_flow_item *item = pattern;
const struct rte_flow_item_gtp_psc *psc;
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;
}
switch (item->type) {
case RTE_FLOW_ITEM_TYPE_VLAN:
*phint |= ICE_PHINT_VLAN;
break;
case RTE_FLOW_ITEM_TYPE_PPPOES:
*phint |= ICE_PHINT_PPPOE;
break;
case RTE_FLOW_ITEM_TYPE_GTPU:
*phint |= ICE_PHINT_GTPU;
break;
case RTE_FLOW_ITEM_TYPE_GTP_PSC:
*phint |= ICE_PHINT_GTPU_EH;
psc = item->spec;
if (!psc)
break;
else if (psc->hdr.type == ICE_GTPU_EH_UPLINK)
*phint |= ICE_PHINT_GTPU_EH_UP;
else if (psc->hdr.type == ICE_GTPU_EH_DWNLINK)
*phint |= ICE_PHINT_GTPU_EH_DWN;
break;
default:
break;
}
}
return 0;
}
static void
ice_refine_hash_cfg_l234(struct ice_rss_hash_cfg *hash_cfg,
uint64_t rss_type)
{
uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
uint64_t *hash_flds = &hash_cfg->hash_flds;
if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH) {
if (!(rss_type & ETH_RSS_ETH))
*hash_flds &= ~ICE_FLOW_HASH_ETH;
if (rss_type & ETH_RSS_L2_SRC_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA));
else if (rss_type & ETH_RSS_L2_DST_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA));
*addl_hdrs &= ~ICE_FLOW_SEG_HDR_ETH;
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_ETH_NON_IP) {
if (rss_type & ETH_RSS_ETH)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_TYPE);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_VLAN) {
if (rss_type & ETH_RSS_C_VLAN)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN);
else if (rss_type & ETH_RSS_S_VLAN)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
if (!(rss_type & ETH_RSS_PPPOE))
*hash_flds &= ~ICE_FLOW_HASH_PPPOE_SESS_ID;
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV4) {
if (rss_type &
(ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
ETH_RSS_NONFRAG_IPV4_UDP |
ETH_RSS_NONFRAG_IPV4_TCP |
ETH_RSS_NONFRAG_IPV4_SCTP)) {
if (rss_type & ETH_RSS_FRAG_IPV4) {
*addl_hdrs |= ICE_FLOW_SEG_HDR_IPV_FRAG;
*addl_hdrs &= ~(ICE_FLOW_SEG_HDR_IPV_OTHER);
*hash_flds |=
BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_ID);
}
if (rss_type & ETH_RSS_L3_SRC_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA));
else if (rss_type & ETH_RSS_L3_DST_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA));
else if (rss_type &
(ETH_RSS_L4_SRC_ONLY |
ETH_RSS_L4_DST_ONLY))
*hash_flds &= ~ICE_FLOW_HASH_IPV4;
} else {
*hash_flds &= ~ICE_FLOW_HASH_IPV4;
}
if (rss_type & ETH_RSS_IPV4_CHKSUM)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_IPV6) {
if (rss_type &
(ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
ETH_RSS_NONFRAG_IPV6_UDP |
ETH_RSS_NONFRAG_IPV6_TCP |
ETH_RSS_NONFRAG_IPV6_SCTP)) {
if (rss_type & ETH_RSS_FRAG_IPV6)
*hash_flds |=
BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_ID);
if (rss_type & ETH_RSS_L3_SRC_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
else if (rss_type & ETH_RSS_L3_DST_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
else if (rss_type &
(ETH_RSS_L4_SRC_ONLY |
ETH_RSS_L4_DST_ONLY))
*hash_flds &= ~ICE_FLOW_HASH_IPV6;
} else {
*hash_flds &= ~ICE_FLOW_HASH_IPV6;
}
if (rss_type & RTE_ETH_RSS_L3_PRE32) {
if (rss_type & ETH_RSS_L3_SRC_ONLY) {
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
*hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA));
} else if (rss_type & ETH_RSS_L3_DST_ONLY) {
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
*hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA));
} else {
*hash_flds &= ~ICE_FLOW_HASH_IPV6;
*hash_flds |= ICE_FLOW_HASH_IPV6_PRE32;
}
}
if (rss_type & RTE_ETH_RSS_L3_PRE48) {
if (rss_type & ETH_RSS_L3_SRC_ONLY) {
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
*hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA));
} else if (rss_type & ETH_RSS_L3_DST_ONLY) {
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
*hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA));
} else {
*hash_flds &= ~ICE_FLOW_HASH_IPV6;
*hash_flds |= ICE_FLOW_HASH_IPV6_PRE48;
}
}
if (rss_type & RTE_ETH_RSS_L3_PRE64) {
if (rss_type & ETH_RSS_L3_SRC_ONLY) {
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA));
*hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA));
} else if (rss_type & ETH_RSS_L3_DST_ONLY) {
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA));
*hash_flds |= (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA));
} else {
*hash_flds &= ~ICE_FLOW_HASH_IPV6;
*hash_flds |= ICE_FLOW_HASH_IPV6_PRE64;
}
}
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_UDP) {
if (rss_type &
(ETH_RSS_NONFRAG_IPV4_UDP |
ETH_RSS_NONFRAG_IPV6_UDP)) {
if (rss_type & ETH_RSS_L4_SRC_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT));
else if (rss_type & ETH_RSS_L4_DST_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT));
else if (rss_type &
(ETH_RSS_L3_SRC_ONLY |
ETH_RSS_L3_DST_ONLY))
*hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
} else {
*hash_flds &= ~ICE_FLOW_HASH_UDP_PORT;
}
if (rss_type & ETH_RSS_L4_CHKSUM)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_TCP) {
if (rss_type &
(ETH_RSS_NONFRAG_IPV4_TCP |
ETH_RSS_NONFRAG_IPV6_TCP)) {
if (rss_type & ETH_RSS_L4_SRC_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT));
else if (rss_type & ETH_RSS_L4_DST_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT));
else if (rss_type &
(ETH_RSS_L3_SRC_ONLY |
ETH_RSS_L3_DST_ONLY))
*hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
} else {
*hash_flds &= ~ICE_FLOW_HASH_TCP_PORT;
}
if (rss_type & ETH_RSS_L4_CHKSUM)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_SCTP) {
if (rss_type &
(ETH_RSS_NONFRAG_IPV4_SCTP |
ETH_RSS_NONFRAG_IPV6_SCTP)) {
if (rss_type & ETH_RSS_L4_SRC_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT));
else if (rss_type & ETH_RSS_L4_DST_ONLY)
*hash_flds &= ~(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT));
else if (rss_type &
(ETH_RSS_L3_SRC_ONLY |
ETH_RSS_L3_DST_ONLY))
*hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
} else {
*hash_flds &= ~ICE_FLOW_HASH_SCTP_PORT;
}
if (rss_type & ETH_RSS_L4_CHKSUM)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_CHKSUM);
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
if (!(rss_type & ETH_RSS_L2TPV3))
*hash_flds &= ~ICE_FLOW_HASH_L2TPV3_SESS_ID;
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_ESP) {
if (!(rss_type & ETH_RSS_ESP))
*hash_flds &= ~ICE_FLOW_HASH_ESP_SPI;
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_AH) {
if (!(rss_type & ETH_RSS_AH))
*hash_flds &= ~ICE_FLOW_HASH_AH_SPI;
}
if (*addl_hdrs & ICE_FLOW_SEG_HDR_PFCP_SESSION) {
if (!(rss_type & ETH_RSS_PFCP))
*hash_flds &= ~ICE_FLOW_HASH_PFCP_SEID;
}
}
static void
ice_refine_proto_hdrs_by_pattern(struct ice_rss_hash_cfg *hash_cfg,
uint64_t phint)
{
uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
if (phint & ICE_PHINT_VLAN)
*addl_hdrs |= ICE_FLOW_SEG_HDR_VLAN;
if (phint & ICE_PHINT_PPPOE)
*addl_hdrs |= ICE_FLOW_SEG_HDR_PPPOE;
if (phint & ICE_PHINT_GTPU_EH_DWN)
*addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN;
else if (phint & ICE_PHINT_GTPU_EH_UP)
*addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP;
else if (phint & ICE_PHINT_GTPU_EH)
*addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH;
else if (phint & ICE_PHINT_GTPU)
*addl_hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP;
}
static void
ice_refine_hash_cfg_gtpu(struct ice_rss_hash_cfg *hash_cfg,
uint64_t rss_type)
{
uint32_t *addl_hdrs = &hash_cfg->addl_hdrs;
uint64_t *hash_flds = &hash_cfg->hash_flds;
/* update hash field for gtpu eh/gtpu dwn/gtpu up. */
if (!(rss_type & ETH_RSS_GTPU))
return;
if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_DWN)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID);
else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_UP)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID);
else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_EH)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID);
else if (*addl_hdrs & ICE_FLOW_SEG_HDR_GTPU_IP)
*hash_flds |= BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID);
}
static void ice_refine_hash_cfg(struct ice_rss_hash_cfg *hash_cfg,
uint64_t rss_type, uint64_t phint)
{
ice_refine_proto_hdrs_by_pattern(hash_cfg, phint);
ice_refine_hash_cfg_l234(hash_cfg, rss_type);
ice_refine_hash_cfg_gtpu(hash_cfg, rss_type);
}
static uint64_t invalid_rss_comb[] = {
ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_UDP,
ETH_RSS_IPV4 | ETH_RSS_NONFRAG_IPV4_TCP,
ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_UDP,
ETH_RSS_IPV6 | ETH_RSS_NONFRAG_IPV6_TCP,
RTE_ETH_RSS_L3_PRE40 |
RTE_ETH_RSS_L3_PRE56 |
RTE_ETH_RSS_L3_PRE96
};
struct rss_attr_type {
uint64_t attr;
uint64_t type;
};
static struct rss_attr_type rss_attr_to_valid_type[] = {
{ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY, ETH_RSS_ETH},
{ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY, VALID_RSS_L3},
{ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY, VALID_RSS_L4},
/* current ipv6 prefix only supports prefix 64 bits*/
{RTE_ETH_RSS_L3_PRE32, VALID_RSS_IPV6},
{RTE_ETH_RSS_L3_PRE48, VALID_RSS_IPV6},
{RTE_ETH_RSS_L3_PRE64, VALID_RSS_IPV6},
{INVALID_RSS_ATTR, 0}
};
static bool
ice_any_invalid_rss_type(enum rte_eth_hash_function rss_func,
uint64_t rss_type, uint64_t allow_rss_type)
{
uint32_t i;
/**
* Check if l3/l4 SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
* hash function.
*/
if (rss_func == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
if (rss_type & (ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY |
ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY))
return true;
if (!(rss_type &
(ETH_RSS_IPV4 | ETH_RSS_IPV6 |
ETH_RSS_FRAG_IPV4 | ETH_RSS_FRAG_IPV6 |
ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP |
ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_NONFRAG_IPV6_TCP |
ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_NONFRAG_IPV6_SCTP)))
return true;
}
/* check invalid combination */
for (i = 0; i < RTE_DIM(invalid_rss_comb); i++) {
if (__builtin_popcountll(rss_type & invalid_rss_comb[i]) > 1)
return true;
}
/* check invalid RSS attribute */
for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
if (rat->attr & rss_type && !(rat->type & rss_type))
return true;
}
/* check not allowed RSS type */
rss_type &= ~VALID_RSS_ATTR;
return ((rss_type & allow_rss_type) != rss_type);
}
static int
ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
const struct rte_flow_action actions[],
uint64_t pattern_hint, void **meta,
struct rte_flow_error *error)
{
struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)*meta;
struct ice_rss_hash_cfg *cfg = pattern_match_item->meta;
enum rte_flow_action_type action_type;
const struct rte_flow_action_rss *rss;
const struct rte_flow_action *action;
uint64_t rss_type;
/* 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_type = rss->types;
/* Check hash function and save it to rss_meta. */
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");
} else if (rss->func ==
RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
rss_meta->hash_function =
RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
return 0;
} else if (rss->func ==
RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
rss_meta->hash_function =
RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
cfg->symm = true;
}
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)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"a nonzero RSS key_len is not supported");
if (rss->queue)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"a non-NULL RSS queue is not supported");
/**
* Check simultaneous use of SRC_ONLY and DST_ONLY
* of the same level.
*/
rss_type = rte_eth_rss_hf_refine(rss_type);
if (ice_any_invalid_rss_type(rss->func, rss_type,
pattern_match_item->input_set_mask_o))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
action, "RSS type not supported");
rss_meta->cfg = *cfg;
ice_refine_hash_cfg(&rss_meta->cfg,
rss_type, pattern_hint);
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[],
uint32_t priority,
void **meta,
struct rte_flow_error *error)
{
int ret = 0;
struct ice_pattern_match_item *pattern_match_item;
struct ice_rss_meta *rss_meta_ptr;
uint64_t phint = ICE_PHINT_NONE;
if (priority >= 1)
return -rte_errno;
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(ad, pattern, array,
array_len, error);
if (!pattern_match_item) {
ret = -rte_errno;
goto error;
}
ret = ice_hash_parse_pattern(pattern, &phint, error);
if (ret)
goto error;
/* Check rss action. */
ret = ice_hash_parse_action(pattern_match_item, actions, phint,
(void **)&rss_meta_ptr, error);
error:
if (!ret && meta)
*meta = rss_meta_ptr;
else
rte_free(rss_meta_ptr);
rte_free(pattern_match_item);
return ret;
}
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_hash_flow_cfg *filter_ptr;
struct ice_rss_meta *rss_meta = (struct ice_rss_meta *)meta;
uint8_t hash_function = rss_meta->hash_function;
filter_ptr = rte_zmalloc("ice_rss_filter",
sizeof(struct ice_hash_flow_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->simple_xor = 1;
goto out;
} else {
memcpy(&filter_ptr->rss_cfg.hash, &rss_meta->cfg,
sizeof(struct ice_rss_hash_cfg));
ret = ice_add_rss_cfg_wrap(pf, vsi->idx,
&filter_ptr->rss_cfg.hash);
if (ret) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
"rss flow create fail");
goto error;
}
}
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_hash_flow_cfg *filter_ptr;
filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
if (filter_ptr->simple_xor == 1) {
/* 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_rss_cfg_wrap(pf, vsi->idx,
&filter_ptr->rss_cfg.hash);
/* Fixme: Ignore the error if a rule does not exist.
* Currently a rule for inputset change or symm turn on/off
* will overwrite an exist rule, while application still
* have 2 rte_flow handles.
**/
if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
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->hw.dcf_enabled)
return;
ice_unregister_parser(&ice_hash_parser, ad);
}
static void
ice_hash_free(struct rte_flow *flow)
{
rte_free(flow->rule);
}