+++ /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;
-}