From 2d64da097aa0bfda7fbcf1074adaaccc8841facb Mon Sep 17 00:00:00 2001 From: Ajit Khaparde Date: Tue, 10 Oct 2017 09:23:02 -0500 Subject: [PATCH] net/bnxt: support FDIR This patch brings support for Flow Director. Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_ethdev.c | 384 ++++++++++++++++++++++++++++++++- drivers/net/bnxt/bnxt_filter.h | 2 + 2 files changed, 384 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 97810f6e5e..d3da301892 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -2075,6 +2075,385 @@ bnxt_ntuple_filter(struct rte_eth_dev *dev, } return ret; } + +static int +bnxt_parse_fdir_filter(struct bnxt *bp, + struct rte_eth_fdir_filter *fdir, + struct bnxt_filter_info *filter) +{ + enum rte_fdir_mode fdir_mode = + bp->eth_dev->data->dev_conf.fdir_conf.mode; + struct bnxt_vnic_info *vnic0, *vnic; + struct bnxt_filter_info *filter1; + uint32_t en = 0; + int i; + + if (fdir_mode == RTE_FDIR_MODE_PERFECT_TUNNEL) + return -EINVAL; + + filter->l2_ovlan = fdir->input.flow_ext.vlan_tci; + en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID; + + switch (fdir->input.flow_type) { + case RTE_ETH_FLOW_IPV4: + case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER: + /* FALLTHROUGH */ + filter->src_ipaddr[0] = fdir->input.flow.ip4_flow.src_ip; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR; + filter->dst_ipaddr[0] = fdir->input.flow.ip4_flow.dst_ip; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; + filter->ip_protocol = fdir->input.flow.ip4_flow.proto; + en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO; + filter->ip_addr_type = + NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV4; + filter->src_ipaddr_mask[0] = 0xffffffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; + filter->dst_ipaddr_mask[0] = 0xffffffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; + filter->ethertype = 0x800; + filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE; + break; + case RTE_ETH_FLOW_NONFRAG_IPV4_TCP: + filter->src_port = fdir->input.flow.tcp4_flow.src_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT; + filter->dst_port = fdir->input.flow.tcp4_flow.dst_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT; + filter->dst_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK; + filter->src_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK; + filter->src_ipaddr[0] = fdir->input.flow.tcp4_flow.ip.src_ip; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR; + filter->dst_ipaddr[0] = fdir->input.flow.tcp4_flow.ip.dst_ip; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; + filter->ip_protocol = 6; + en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO; + filter->ip_addr_type = + NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV4; + filter->src_ipaddr_mask[0] = 0xffffffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; + filter->dst_ipaddr_mask[0] = 0xffffffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; + filter->ethertype = 0x800; + filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE; + break; + case RTE_ETH_FLOW_NONFRAG_IPV4_UDP: + filter->src_port = fdir->input.flow.udp4_flow.src_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT; + filter->dst_port = fdir->input.flow.udp4_flow.dst_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT; + filter->dst_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK; + filter->src_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK; + filter->src_ipaddr[0] = fdir->input.flow.udp4_flow.ip.src_ip; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR; + filter->dst_ipaddr[0] = fdir->input.flow.udp4_flow.ip.dst_ip; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; + filter->ip_protocol = 17; + en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO; + filter->ip_addr_type = + NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV4; + filter->src_ipaddr_mask[0] = 0xffffffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; + filter->dst_ipaddr_mask[0] = 0xffffffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; + filter->ethertype = 0x800; + filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE; + break; + case RTE_ETH_FLOW_IPV6: + case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER: + /* FALLTHROUGH */ + filter->ip_addr_type = + NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6; + filter->ip_protocol = fdir->input.flow.ipv6_flow.proto; + en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO; + rte_memcpy(filter->src_ipaddr, + fdir->input.flow.ipv6_flow.src_ip, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR; + rte_memcpy(filter->dst_ipaddr, + fdir->input.flow.ipv6_flow.dst_ip, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; + memset(filter->dst_ipaddr_mask, 0xff, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; + memset(filter->src_ipaddr_mask, 0xff, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; + filter->ethertype = 0x86dd; + filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE; + break; + case RTE_ETH_FLOW_NONFRAG_IPV6_TCP: + filter->src_port = fdir->input.flow.tcp6_flow.src_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT; + filter->dst_port = fdir->input.flow.tcp6_flow.dst_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT; + filter->dst_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK; + filter->src_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK; + filter->ip_addr_type = + NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6; + filter->ip_protocol = fdir->input.flow.tcp6_flow.ip.proto; + en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO; + rte_memcpy(filter->src_ipaddr, + fdir->input.flow.tcp6_flow.ip.src_ip, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR; + rte_memcpy(filter->dst_ipaddr, + fdir->input.flow.tcp6_flow.ip.dst_ip, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; + memset(filter->dst_ipaddr_mask, 0xff, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; + memset(filter->src_ipaddr_mask, 0xff, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; + filter->ethertype = 0x86dd; + filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE; + break; + case RTE_ETH_FLOW_NONFRAG_IPV6_UDP: + filter->src_port = fdir->input.flow.udp6_flow.src_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT; + filter->dst_port = fdir->input.flow.udp6_flow.dst_port; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT; + filter->dst_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK; + filter->src_port_mask = 0xffff; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK; + filter->ip_addr_type = + NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6; + filter->ip_protocol = fdir->input.flow.udp6_flow.ip.proto; + en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO; + rte_memcpy(filter->src_ipaddr, + fdir->input.flow.udp6_flow.ip.src_ip, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR; + rte_memcpy(filter->dst_ipaddr, + fdir->input.flow.udp6_flow.ip.dst_ip, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; + memset(filter->dst_ipaddr_mask, 0xff, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; + memset(filter->src_ipaddr_mask, 0xff, 16); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; + filter->ethertype = 0x86dd; + filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE; + break; + case RTE_ETH_FLOW_L2_PAYLOAD: + filter->ethertype = fdir->input.flow.l2_flow.ether_type; + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE; + break; + case RTE_ETH_FLOW_VXLAN: + if (fdir->action.behavior == RTE_ETH_FDIR_REJECT) + return -EINVAL; + filter->vni = fdir->input.flow.tunnel_flow.tunnel_id; + filter->tunnel_type = + CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN; + en |= HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_TUNNEL_TYPE; + break; + case RTE_ETH_FLOW_NVGRE: + if (fdir->action.behavior == RTE_ETH_FDIR_REJECT) + return -EINVAL; + filter->vni = fdir->input.flow.tunnel_flow.tunnel_id; + filter->tunnel_type = + CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE; + en |= HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_TUNNEL_TYPE; + break; + case RTE_ETH_FLOW_UNKNOWN: + case RTE_ETH_FLOW_RAW: + case RTE_ETH_FLOW_FRAG_IPV4: + case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP: + case RTE_ETH_FLOW_FRAG_IPV6: + case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP: + case RTE_ETH_FLOW_IPV6_EX: + case RTE_ETH_FLOW_IPV6_TCP_EX: + case RTE_ETH_FLOW_IPV6_UDP_EX: + case RTE_ETH_FLOW_GENEVE: + /* FALLTHROUGH */ + default: + return -EINVAL; + } + + vnic0 = STAILQ_FIRST(&bp->ff_pool[0]); + vnic = STAILQ_FIRST(&bp->ff_pool[fdir->action.rx_queue]); + if (vnic == NULL) { + RTE_LOG(ERR, PMD, "Invalid queue %d\n", fdir->action.rx_queue); + return -EINVAL; + } + + + if (fdir_mode == RTE_FDIR_MODE_PERFECT_MAC_VLAN) { + rte_memcpy(filter->dst_macaddr, + fdir->input.flow.mac_vlan_flow.mac_addr.addr_bytes, 6); + en |= NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR; + } + + if (fdir->action.behavior == RTE_ETH_FDIR_REJECT) { + filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP; + filter1 = STAILQ_FIRST(&vnic0->filter); + //filter1 = bnxt_get_l2_filter(bp, filter, vnic0); + } else { + filter->dst_id = vnic->fw_vnic_id; + for (i = 0; i < ETHER_ADDR_LEN; i++) + if (filter->dst_macaddr[i] == 0x00) + filter1 = STAILQ_FIRST(&vnic0->filter); + else + filter1 = bnxt_get_l2_filter(bp, filter, vnic); + } + + if (filter1 == NULL) + return -EINVAL; + + en |= HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID; + filter->fw_l2_filter_id = filter1->fw_l2_filter_id; + + filter->enables = en; + + return 0; +} + +static struct bnxt_filter_info * +bnxt_match_fdir(struct bnxt *bp, struct bnxt_filter_info *nf) +{ + struct bnxt_filter_info *mf = NULL; + int i; + + for (i = bp->nr_vnics - 1; i >= 0; i--) { + struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; + + STAILQ_FOREACH(mf, &vnic->filter, next) { + if (mf->filter_type == nf->filter_type && + mf->flags == nf->flags && + mf->src_port == nf->src_port && + mf->src_port_mask == nf->src_port_mask && + mf->dst_port == nf->dst_port && + mf->dst_port_mask == nf->dst_port_mask && + mf->ip_protocol == nf->ip_protocol && + mf->ip_addr_type == nf->ip_addr_type && + mf->ethertype == nf->ethertype && + mf->vni == nf->vni && + mf->tunnel_type == nf->tunnel_type && + mf->l2_ovlan == nf->l2_ovlan && + mf->l2_ovlan_mask == nf->l2_ovlan_mask && + mf->l2_ivlan == nf->l2_ivlan && + mf->l2_ivlan_mask == nf->l2_ivlan_mask && + !memcmp(mf->l2_addr, nf->l2_addr, ETHER_ADDR_LEN) && + !memcmp(mf->l2_addr_mask, nf->l2_addr_mask, + ETHER_ADDR_LEN) && + !memcmp(mf->src_macaddr, nf->src_macaddr, + ETHER_ADDR_LEN) && + !memcmp(mf->dst_macaddr, nf->dst_macaddr, + ETHER_ADDR_LEN) && + !memcmp(mf->src_ipaddr, nf->src_ipaddr, + sizeof(nf->src_ipaddr)) && + !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask, + sizeof(nf->src_ipaddr_mask)) && + !memcmp(mf->dst_ipaddr, nf->dst_ipaddr, + sizeof(nf->dst_ipaddr)) && + !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask, + sizeof(nf->dst_ipaddr_mask))) + return mf; + } + } + return NULL; +} + +static int +bnxt_fdir_filter(struct rte_eth_dev *dev, + enum rte_filter_op filter_op, + void *arg) +{ + struct bnxt *bp = (struct bnxt *)dev->data->dev_private; + struct rte_eth_fdir_filter *fdir = (struct rte_eth_fdir_filter *)arg; + struct bnxt_filter_info *filter, *match; + struct bnxt_vnic_info *vnic; + int ret = 0, i; + + if (filter_op == RTE_ETH_FILTER_NOP) + return 0; + + if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH) + return -EINVAL; + + switch (filter_op) { + case RTE_ETH_FILTER_ADD: + case RTE_ETH_FILTER_DELETE: + /* FALLTHROUGH */ + filter = bnxt_get_unused_filter(bp); + if (filter == NULL) { + RTE_LOG(ERR, PMD, + "Not enough resources for a new flow.\n"); + return -ENOMEM; + } + + ret = bnxt_parse_fdir_filter(bp, fdir, filter); + if (ret != 0) + goto free_filter; + + match = bnxt_match_fdir(bp, filter); + if (match != NULL && filter_op == RTE_ETH_FILTER_ADD) { + RTE_LOG(ERR, PMD, "Flow already exists.\n"); + ret = -EEXIST; + goto free_filter; + } + if (match == NULL && filter_op == RTE_ETH_FILTER_DELETE) { + RTE_LOG(ERR, PMD, "Flow does not exist.\n"); + ret = -ENOENT; + goto free_filter; + } + + if (fdir->action.behavior == RTE_ETH_FDIR_REJECT) + vnic = STAILQ_FIRST(&bp->ff_pool[0]); + else + vnic = + STAILQ_FIRST(&bp->ff_pool[fdir->action.rx_queue]); + + if (filter_op == RTE_ETH_FILTER_ADD) { + filter->filter_type = HWRM_CFA_NTUPLE_FILTER; + ret = bnxt_hwrm_set_ntuple_filter(bp, + filter->dst_id, + filter); + if (ret) + goto free_filter; + STAILQ_INSERT_TAIL(&vnic->filter, filter, next); + } else { + ret = bnxt_hwrm_clear_ntuple_filter(bp, match); + STAILQ_REMOVE(&vnic->filter, match, + bnxt_filter_info, next); + bnxt_free_filter(bp, match); + filter->fw_l2_filter_id = -1; + bnxt_free_filter(bp, filter); + } + break; + case RTE_ETH_FILTER_FLUSH: + for (i = bp->nr_vnics - 1; i >= 0; i--) { + struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; + + STAILQ_FOREACH(filter, &vnic->filter, next) { + if (filter->filter_type == + HWRM_CFA_NTUPLE_FILTER) { + ret = + bnxt_hwrm_clear_ntuple_filter(bp, + filter); + STAILQ_REMOVE(&vnic->filter, filter, + bnxt_filter_info, next); + } + } + } + return ret; + case RTE_ETH_FILTER_UPDATE: + case RTE_ETH_FILTER_STATS: + case RTE_ETH_FILTER_INFO: + /* FALLTHROUGH */ + RTE_LOG(ERR, PMD, "operation %u not implemented", filter_op); + break; + default: + RTE_LOG(ERR, PMD, "unknown operation %u", filter_op); + ret = -EINVAL; + break; + } + return ret; + +free_filter: + filter->fw_l2_filter_id = -1; + bnxt_free_filter(bp, filter); + return ret; +} + static int bnxt_filter_ctrl_op(struct rte_eth_dev *dev __rte_unused, enum rte_filter_type filter_type, @@ -2083,12 +2462,13 @@ bnxt_filter_ctrl_op(struct rte_eth_dev *dev __rte_unused, int ret = 0; switch (filter_type) { - case RTE_ETH_FILTER_FDIR: case RTE_ETH_FILTER_TUNNEL: - /* FALLTHROUGH */ RTE_LOG(ERR, PMD, "filter type: %d: To be implemented\n", filter_type); break; + case RTE_ETH_FILTER_FDIR: + ret = bnxt_fdir_filter(dev, filter_op, arg); + break; case RTE_ETH_FILTER_NTUPLE: ret = bnxt_ntuple_filter(dev, filter_op, arg); break; diff --git a/drivers/net/bnxt/bnxt_filter.h b/drivers/net/bnxt/bnxt_filter.h index 8ed9ca124d..c47a34193d 100644 --- a/drivers/net/bnxt/bnxt_filter.h +++ b/drivers/net/bnxt/bnxt_filter.h @@ -158,4 +158,6 @@ struct bnxt_filter_info *bnxt_get_l2_filter(struct bnxt *bp, HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_PROTOCOL_UNKNOWN #define NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 \ HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 +#define NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID \ + HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_MIRROR_VNIC_ID #endif -- 2.20.1