+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
- * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
- */
-
-#include <rte_ethdev_driver.h>
-#include <rte_malloc.h>
-#include <rte_hash.h>
-#include <rte_byteorder.h>
-#include <rte_ip.h>
-#include <rte_tcp.h>
-#include <rte_udp.h>
-#include <rte_sctp.h>
-
-#include "enic_compat.h"
-#include "enic.h"
-#include "wq_enet_desc.h"
-#include "rq_enet_desc.h"
-#include "cq_enet_desc.h"
-#include "vnic_enet.h"
-#include "vnic_dev.h"
-#include "vnic_wq.h"
-#include "vnic_rq.h"
-#include "vnic_cq.h"
-#include "vnic_intr.h"
-#include "vnic_nic.h"
-
-#ifdef RTE_ARCH_X86
-#include <rte_hash_crc.h>
-#define DEFAULT_HASH_FUNC       rte_hash_crc
-#else
-#include <rte_jhash.h>
-#define DEFAULT_HASH_FUNC       rte_jhash
-#endif
-
-#define ENICPMD_CLSF_HASH_ENTRIES       ENICPMD_FDIR_MAX
-
-static void copy_fltr_v1(struct filter_v2 *fltr,
-               const struct rte_eth_fdir_input *input,
-               const struct rte_eth_fdir_masks *masks);
-static void copy_fltr_v2(struct filter_v2 *fltr,
-               const struct rte_eth_fdir_input *input,
-               const struct rte_eth_fdir_masks *masks);
-
-void enic_fdir_info(struct enic *enic)
-{
-       enic->fdir.modes = (uint32_t)RTE_FDIR_MODE_PERFECT;
-       enic->fdir.types_mask  = 1 << RTE_ETH_FLOW_NONFRAG_IPV4_UDP |
-                                1 << RTE_ETH_FLOW_NONFRAG_IPV4_TCP;
-       if (enic->adv_filters) {
-               enic->fdir.types_mask |= 1 << RTE_ETH_FLOW_NONFRAG_IPV4_OTHER |
-                                        1 << RTE_ETH_FLOW_NONFRAG_IPV4_SCTP |
-                                        1 << RTE_ETH_FLOW_NONFRAG_IPV6_UDP |
-                                        1 << RTE_ETH_FLOW_NONFRAG_IPV6_TCP |
-                                        1 << RTE_ETH_FLOW_NONFRAG_IPV6_SCTP |
-                                        1 << RTE_ETH_FLOW_NONFRAG_IPV6_OTHER;
-               enic->fdir.copy_fltr_fn = copy_fltr_v2;
-       } else {
-               enic->fdir.copy_fltr_fn = copy_fltr_v1;
-       }
-}
-
-static void
-enic_set_layer(struct filter_generic_1 *gp, unsigned int flag,
-              enum filter_generic_1_layer layer, void *mask, void *val,
-              unsigned int len)
-{
-       gp->mask_flags |= flag;
-       gp->val_flags |= gp->mask_flags;
-       memcpy(gp->layer[layer].mask, mask, len);
-       memcpy(gp->layer[layer].val, val, len);
-}
-
-/* Copy Flow Director filter to a VIC ipv4 filter (for Cisco VICs
- * without advanced filter support.
- */
-static void
-copy_fltr_v1(struct filter_v2 *fltr, const struct rte_eth_fdir_input *input,
-            __rte_unused const struct rte_eth_fdir_masks *masks)
-{
-       fltr->type = FILTER_IPV4_5TUPLE;
-       fltr->u.ipv4.src_addr = rte_be_to_cpu_32(
-               input->flow.ip4_flow.src_ip);
-       fltr->u.ipv4.dst_addr = rte_be_to_cpu_32(
-               input->flow.ip4_flow.dst_ip);
-       fltr->u.ipv4.src_port = rte_be_to_cpu_16(
-               input->flow.udp4_flow.src_port);
-       fltr->u.ipv4.dst_port = rte_be_to_cpu_16(
-               input->flow.udp4_flow.dst_port);
-
-       if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_TCP)
-               fltr->u.ipv4.protocol = PROTO_TCP;
-       else
-               fltr->u.ipv4.protocol = PROTO_UDP;
-
-       fltr->u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE;
-}
-
-/* Copy Flow Director filter to a VIC generic filter (requires advanced
- * filter support.
- */
-static void
-copy_fltr_v2(struct filter_v2 *fltr, const struct rte_eth_fdir_input *input,
-            const struct rte_eth_fdir_masks *masks)
-{
-       struct filter_generic_1 *gp = &fltr->u.generic_1;
-
-       fltr->type = FILTER_DPDK_1;
-       memset(gp, 0, sizeof(*gp));
-
-       if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_UDP) {
-               struct rte_udp_hdr udp_mask, udp_val;
-               memset(&udp_mask, 0, sizeof(udp_mask));
-               memset(&udp_val, 0, sizeof(udp_val));
-
-               if (input->flow.udp4_flow.src_port) {
-                       udp_mask.src_port = masks->src_port_mask;
-                       udp_val.src_port = input->flow.udp4_flow.src_port;
-               }
-               if (input->flow.udp4_flow.dst_port) {
-                       udp_mask.dst_port = masks->dst_port_mask;
-                       udp_val.dst_port = input->flow.udp4_flow.dst_port;
-               }
-
-               enic_set_layer(gp, FILTER_GENERIC_1_UDP, FILTER_GENERIC_1_L4,
-                              &udp_mask, &udp_val, sizeof(struct rte_udp_hdr));
-       } else if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_TCP) {
-               struct rte_tcp_hdr tcp_mask, tcp_val;
-               memset(&tcp_mask, 0, sizeof(tcp_mask));
-               memset(&tcp_val, 0, sizeof(tcp_val));
-
-               if (input->flow.tcp4_flow.src_port) {
-                       tcp_mask.src_port = masks->src_port_mask;
-                       tcp_val.src_port = input->flow.tcp4_flow.src_port;
-               }
-               if (input->flow.tcp4_flow.dst_port) {
-                       tcp_mask.dst_port = masks->dst_port_mask;
-                       tcp_val.dst_port = input->flow.tcp4_flow.dst_port;
-               }
-
-               enic_set_layer(gp, FILTER_GENERIC_1_TCP, FILTER_GENERIC_1_L4,
-                              &tcp_mask, &tcp_val, sizeof(struct rte_tcp_hdr));
-       } else if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_SCTP) {
-               struct rte_sctp_hdr sctp_mask, sctp_val;
-               memset(&sctp_mask, 0, sizeof(sctp_mask));
-               memset(&sctp_val, 0, sizeof(sctp_val));
-
-               if (input->flow.sctp4_flow.src_port) {
-                       sctp_mask.src_port = masks->src_port_mask;
-                       sctp_val.src_port = input->flow.sctp4_flow.src_port;
-               }
-               if (input->flow.sctp4_flow.dst_port) {
-                       sctp_mask.dst_port = masks->dst_port_mask;
-                       sctp_val.dst_port = input->flow.sctp4_flow.dst_port;
-               }
-               if (input->flow.sctp4_flow.verify_tag) {
-                       sctp_mask.tag = 0xffffffff;
-                       sctp_val.tag = input->flow.sctp4_flow.verify_tag;
-               }
-
-               /*
-                * Unlike UDP/TCP (FILTER_GENERIC_1_{UDP,TCP}), the firmware
-                * has no "packet is SCTP" flag. Use flag=0 (generic L4) and
-                * manually set proto_id=sctp below.
-                */
-               enic_set_layer(gp, 0, FILTER_GENERIC_1_L4, &sctp_mask,
-                              &sctp_val, sizeof(struct rte_sctp_hdr));
-       }
-
-       if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_UDP ||
-           input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_TCP ||
-           input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_SCTP ||
-           input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_OTHER) {
-               struct rte_ipv4_hdr ip4_mask, ip4_val;
-               memset(&ip4_mask, 0, sizeof(struct rte_ipv4_hdr));
-               memset(&ip4_val, 0, sizeof(struct rte_ipv4_hdr));
-
-               if (input->flow.ip4_flow.tos) {
-                       ip4_mask.type_of_service = masks->ipv4_mask.tos;
-                       ip4_val.type_of_service = input->flow.ip4_flow.tos;
-               }
-               if (input->flow.ip4_flow.ttl) {
-                       ip4_mask.time_to_live = masks->ipv4_mask.ttl;
-                       ip4_val.time_to_live = input->flow.ip4_flow.ttl;
-               }
-               if (input->flow.ip4_flow.proto) {
-                       ip4_mask.next_proto_id = masks->ipv4_mask.proto;
-                       ip4_val.next_proto_id = input->flow.ip4_flow.proto;
-               } else if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV4_SCTP) {
-                       /* Explicitly match the SCTP protocol number */
-                       ip4_mask.next_proto_id = 0xff;
-                       ip4_val.next_proto_id = IPPROTO_SCTP;
-               }
-               if (input->flow.ip4_flow.src_ip) {
-                       ip4_mask.src_addr =  masks->ipv4_mask.src_ip;
-                       ip4_val.src_addr = input->flow.ip4_flow.src_ip;
-               }
-               if (input->flow.ip4_flow.dst_ip) {
-                       ip4_mask.dst_addr =  masks->ipv4_mask.dst_ip;
-                       ip4_val.dst_addr = input->flow.ip4_flow.dst_ip;
-               }
-
-               enic_set_layer(gp, FILTER_GENERIC_1_IPV4, FILTER_GENERIC_1_L3,
-                       &ip4_mask, &ip4_val, sizeof(struct rte_ipv4_hdr));
-       }
-
-       if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_UDP) {
-               struct rte_udp_hdr udp_mask, udp_val;
-               memset(&udp_mask, 0, sizeof(udp_mask));
-               memset(&udp_val, 0, sizeof(udp_val));
-
-               if (input->flow.udp6_flow.src_port) {
-                       udp_mask.src_port = masks->src_port_mask;
-                       udp_val.src_port = input->flow.udp6_flow.src_port;
-               }
-               if (input->flow.udp6_flow.dst_port) {
-                       udp_mask.dst_port = masks->dst_port_mask;
-                       udp_val.dst_port = input->flow.udp6_flow.dst_port;
-               }
-               enic_set_layer(gp, FILTER_GENERIC_1_UDP, FILTER_GENERIC_1_L4,
-                              &udp_mask, &udp_val, sizeof(struct rte_udp_hdr));
-       } else if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_TCP) {
-               struct rte_tcp_hdr tcp_mask, tcp_val;
-               memset(&tcp_mask, 0, sizeof(tcp_mask));
-               memset(&tcp_val, 0, sizeof(tcp_val));
-
-               if (input->flow.tcp6_flow.src_port) {
-                       tcp_mask.src_port = masks->src_port_mask;
-                       tcp_val.src_port = input->flow.tcp6_flow.src_port;
-               }
-               if (input->flow.tcp6_flow.dst_port) {
-                       tcp_mask.dst_port = masks->dst_port_mask;
-                       tcp_val.dst_port = input->flow.tcp6_flow.dst_port;
-               }
-               enic_set_layer(gp, FILTER_GENERIC_1_TCP, FILTER_GENERIC_1_L4,
-                              &tcp_mask, &tcp_val, sizeof(struct rte_tcp_hdr));
-       } else if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_SCTP) {
-               struct rte_sctp_hdr sctp_mask, sctp_val;
-               memset(&sctp_mask, 0, sizeof(sctp_mask));
-               memset(&sctp_val, 0, sizeof(sctp_val));
-
-               if (input->flow.sctp6_flow.src_port) {
-                       sctp_mask.src_port = masks->src_port_mask;
-                       sctp_val.src_port = input->flow.sctp6_flow.src_port;
-               }
-               if (input->flow.sctp6_flow.dst_port) {
-                       sctp_mask.dst_port = masks->dst_port_mask;
-                       sctp_val.dst_port = input->flow.sctp6_flow.dst_port;
-               }
-               if (input->flow.sctp6_flow.verify_tag) {
-                       sctp_mask.tag = 0xffffffff;
-                       sctp_val.tag = input->flow.sctp6_flow.verify_tag;
-               }
-
-               enic_set_layer(gp, 0, FILTER_GENERIC_1_L4, &sctp_mask,
-                              &sctp_val, sizeof(struct rte_sctp_hdr));
-       }
-
-       if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_UDP ||
-           input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_TCP ||
-           input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_SCTP ||
-           input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_OTHER) {
-               struct rte_ipv6_hdr ipv6_mask, ipv6_val;
-               memset(&ipv6_mask, 0, sizeof(struct rte_ipv6_hdr));
-               memset(&ipv6_val, 0, sizeof(struct rte_ipv6_hdr));
-
-               if (input->flow.ipv6_flow.proto) {
-                       ipv6_mask.proto = masks->ipv6_mask.proto;
-                       ipv6_val.proto = input->flow.ipv6_flow.proto;
-               } else if (input->flow_type == RTE_ETH_FLOW_NONFRAG_IPV6_SCTP) {
-                       /* See comments for IPv4 SCTP above. */
-                       ipv6_mask.proto = 0xff;
-                       ipv6_val.proto = IPPROTO_SCTP;
-               }
-               memcpy(ipv6_mask.src_addr, masks->ipv6_mask.src_ip,
-                      sizeof(ipv6_mask.src_addr));
-               memcpy(ipv6_val.src_addr, input->flow.ipv6_flow.src_ip,
-                      sizeof(ipv6_val.src_addr));
-               memcpy(ipv6_mask.dst_addr, masks->ipv6_mask.dst_ip,
-                      sizeof(ipv6_mask.dst_addr));
-               memcpy(ipv6_val.dst_addr, input->flow.ipv6_flow.dst_ip,
-                      sizeof(ipv6_val.dst_addr));
-               if (input->flow.ipv6_flow.tc) {
-                       ipv6_mask.vtc_flow = masks->ipv6_mask.tc << 12;
-                       ipv6_val.vtc_flow = input->flow.ipv6_flow.tc << 12;
-               }
-               if (input->flow.ipv6_flow.hop_limits) {
-                       ipv6_mask.hop_limits = masks->ipv6_mask.hop_limits;
-                       ipv6_val.hop_limits = input->flow.ipv6_flow.hop_limits;
-               }
-
-               enic_set_layer(gp, FILTER_GENERIC_1_IPV6, FILTER_GENERIC_1_L3,
-                       &ipv6_mask, &ipv6_val, sizeof(struct rte_ipv6_hdr));
-       }
-}
-
-void enic_clsf_destroy(struct enic *enic)
-{
-       uint32_t index;
-       struct enic_fdir_node *key;
-       /* delete classifier entries */
-       for (index = 0; index < ENICPMD_FDIR_MAX; index++) {
-               key = enic->fdir.nodes[index];
-               if (key) {
-                       vnic_dev_classifier(enic->vdev, CLSF_DEL,
-                               &key->fltr_id, NULL, NULL);
-                       rte_free(key);
-                       enic->fdir.nodes[index] = NULL;
-               }
-       }
-
-       if (enic->fdir.hash) {
-               rte_hash_free(enic->fdir.hash);
-               enic->fdir.hash = NULL;
-       }
-}
-
-int enic_clsf_init(struct enic *enic)
-{
-       char clsf_name[RTE_HASH_NAMESIZE];
-       struct rte_hash_parameters hash_params = {
-               .name = clsf_name,
-               .entries = ENICPMD_CLSF_HASH_ENTRIES,
-               .key_len = sizeof(struct rte_eth_fdir_filter),
-               .hash_func = DEFAULT_HASH_FUNC,
-               .hash_func_init_val = 0,
-               .socket_id = SOCKET_ID_ANY,
-       };
-       snprintf(clsf_name, RTE_HASH_NAMESIZE, "enic_clsf_%s", enic->bdf_name);
-       enic->fdir.hash = rte_hash_create(&hash_params);
-       memset(&enic->fdir.stats, 0, sizeof(enic->fdir.stats));
-       enic->fdir.stats.free = ENICPMD_FDIR_MAX;
-       return NULL == enic->fdir.hash;
-}