Deal with two operations for flow director
- RTE_ETH_FILTER_ADD
- RTE_ETH_FILTER_DELETE
Encode the flow inputs to programming packet.
Sent the packet to filter programming queue and check status
on the status report queue.
Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
---
lib/librte_pmd_i40e/i40e_ethdev.c | 3 +
lib/librte_pmd_i40e/i40e_ethdev.h | 3 +
lib/librte_pmd_i40e/i40e_fdir.c | 622 ++++++++++++++++++++++++++++++++++++++
3 files changed, 628 insertions(+)
diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c
b/lib/librte_pmd_i40e/i40e_ethdev.c
index 8195e8a..fb43efb 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -4577,6 +4577,7 @@ i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
enum rte_filter_op filter_op,
void *arg)
{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
int ret = 0;
if (dev == NULL)
@@ -4585,6 +4586,8 @@ i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
switch (filter_type) {
case RTE_ETH_FILTER_TUNNEL:
ret = i40e_tunnel_filter_handle(dev, filter_op, arg);
+ case RTE_ETH_FILTER_FDIR:
+ ret = i40e_fdir_ctrl_func(pf, filter_op, arg);
break;
default:
PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
diff --git a/lib/librte_pmd_i40e/i40e_ethdev.h
b/lib/librte_pmd_i40e/i40e_ethdev.h
index 35fcc46..562ccbd 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.h
+++ b/lib/librte_pmd_i40e/i40e_ethdev.h
@@ -380,6 +380,9 @@ enum i40e_status_code i40e_fdir_setup_rx_resources(struct
i40e_pf *pf,
unsigned int socket_id);
int i40e_fdir_setup(struct i40e_pf *pf);
void i40e_fdir_teardown(struct i40e_pf *pf);
+int i40e_fdir_ctrl_func(struct i40e_pf *pf,
+ enum rte_filter_op filter_op,
+ void *arg);
/* I40E_DEV_PRIVATE_TO */
#define I40E_DEV_PRIVATE_TO_PF(adapter) \
diff --git a/lib/librte_pmd_i40e/i40e_fdir.c b/lib/librte_pmd_i40e/i40e_fdir.c
index 848fb92..afc9702 100644
--- a/lib/librte_pmd_i40e/i40e_fdir.c
+++ b/lib/librte_pmd_i40e/i40e_fdir.c
@@ -44,6 +44,10 @@
#include <rte_log.h>
#include <rte_memzone.h>
#include <rte_malloc.h>
+#include <rte_ip.h>
+#include <rte_udp.h>
+#include <rte_tcp.h>
+#include <rte_sctp.h>
#include "i40e_logs.h"
#include "i40e/i40e_type.h"
@@ -51,7 +55,23 @@
#include "i40e_rxtx.h"
#define I40E_FDIR_MZ_NAME "FDIR_MEMZONE"
+#ifndef IPV6_ADDR_LEN
+#define IPV6_ADDR_LEN 16
+#endif
+
#define I40E_FDIR_PKT_LEN 512
+#define I40E_FDIR_IP_DEFAULT_LEN 420
+#define I40E_FDIR_IP_DEFAULT_TTL 0x40
+#define I40E_FDIR_IP_DEFAULT_VERSION_IHL 0x45
+#define I40E_FDIR_TCP_DEFAULT_DATAOFF 0x50
+#define I40E_FDIR_IPv6_DEFAULT_VTC_FLOW 0x60300000
+#define I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS 0xFF
+#define I40E_FDIR_IPv6_PAYLOAD_LEN 380
+#define I40E_FDIR_UDP_DEFAULT_LEN 400
+
+/* Wait count and interval for fdir filter programming */
+#define I40E_FDIR_WAIT_COUNT 10
+#define I40E_FDIR_WAIT_INTERVAL_US 1000
#define I40E_COUNTER_PF 2
/* Statistic counter index for one pf */
@@ -59,6 +79,16 @@
#define I40E_FLX_OFFSET_IN_FIELD_VECTOR 50
static int i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq);
+static int i40e_fdir_construct_pkt(struct i40e_pf *pf,
+ struct rte_eth_fdir_input *fdir_input,
+ unsigned char *raw_pkt);
+static int i40e_add_del_fdir_filter(struct i40e_pf *pf,
+ struct rte_eth_fdir_filter *filter,
+ bool add);
+static int i40e_fdir_filter_programming(struct i40e_pf *pf,
+ enum i40e_filter_pctype pctype,
+ struct rte_eth_fdir_filter *filter,
+ bool add);
static int
i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq)
@@ -288,3 +318,595 @@ i40e_fdir_teardown(struct i40e_pf *pf)
pf->fdir.fdir_vsi = NULL;
return;
}
+
+/*
+ * i40e_fdir_construct_pkt - construct packet based on fields in input
+ * @pf: board private structure
+ * @fdir_input: input set of the flow director entry
+ * @raw_pkt: a packet to be constructed
+ */
+static int
+i40e_fdir_construct_pkt(struct i40e_pf *pf,
+ struct rte_eth_fdir_input *fdir_input,
+ unsigned char *raw_pkt)
+{
+ struct ether_hdr *ether;
+ unsigned char *payload;
+ struct ipv4_hdr *ip;
+ struct ipv6_hdr *ip6;
+ struct udp_hdr *udp;
+ struct tcp_hdr *tcp;
+ struct sctp_hdr *sctp;
+ uint8_t size = 0;
+ int i, set_idx = 2; /* set_idx = 2 means using l4 payload by default*/
+
+ switch (fdir_input->flow_type) {
+ case RTE_ETH_FLOW_TYPE_UDPV4:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip = (struct ipv4_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ udp = (struct udp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv4_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv4_hdr) + sizeof(struct udp_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+ ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
+ /* set len to by default */
+ ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
+ ip->time_to_live = I40E_FDIR_IP_DEFAULT_TTL;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ ip->src_addr = fdir_input->flow.udp4_flow.dst_ip;
+ ip->dst_addr = fdir_input->flow.udp4_flow.src_ip;
+ ip->next_proto_id = IPPROTO_UDP;
+ udp->src_port = fdir_input->flow.udp4_flow.dst_port;
+ udp->dst_port = fdir_input->flow.udp4_flow.src_port;
+ udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_UDP_DEFAULT_LEN);
+ break;
+
+ case RTE_ETH_FLOW_TYPE_TCPV4:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip = (struct ipv4_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ tcp = (struct tcp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv4_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv4_hdr) + sizeof(struct tcp_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+ ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
+ ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
+ ip->time_to_live = I40E_FDIR_IP_DEFAULT_TTL;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ ip->src_addr = fdir_input->flow.tcp4_flow.dst_ip;
+ ip->dst_addr = fdir_input->flow.tcp4_flow.src_ip;
+ ip->next_proto_id = IPPROTO_TCP;
+ tcp->src_port = fdir_input->flow.tcp4_flow.dst_port;
+ tcp->dst_port = fdir_input->flow.tcp4_flow.src_port;
+ tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
+ break;
+
+ case RTE_ETH_FLOW_TYPE_SCTPV4:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip = (struct ipv4_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ sctp = (struct sctp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv4_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv4_hdr) + sizeof(struct sctp_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+ ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
+ ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
+ ip->time_to_live = I40E_FDIR_IP_DEFAULT_TTL;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ ip->src_addr = fdir_input->flow.sctp4_flow.dst_ip;
+ ip->dst_addr = fdir_input->flow.sctp4_flow.src_ip;
+ ip->next_proto_id = IPPROTO_SCTP;
+ sctp->tag = fdir_input->flow.sctp4_flow.verify_tag;
+ break;
+
+ case RTE_ETH_FLOW_TYPE_IPV4_OTHER:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip = (struct ipv4_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv4_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+ ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
+ ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
+ ip->time_to_live = I40E_FDIR_IP_DEFAULT_TTL;
+ ip->next_proto_id = IPPROTO_IP;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ ip->src_addr = fdir_input->flow.ip4_flow.dst_ip;
+ ip->dst_addr = fdir_input->flow.ip4_flow.src_ip;
+ set_idx = 1; /* l3 payload */
+ break;
+
+ case RTE_ETH_FLOW_TYPE_UDPV6:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip6 = (struct ipv6_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ udp = (struct udp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv6_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv6_hdr) + sizeof(struct udp_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
+ ip6->vtc_flow =
rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW);
+ ip6->payload_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
+ ip6->hop_limits = I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ rte_memcpy(&(ip6->src_addr),
&(fdir_input->flow.udp6_flow.dst_ip),
+ IPV6_ADDR_LEN);
+ rte_memcpy(&(ip6->dst_addr),
&(fdir_input->flow.udp6_flow.src_ip),
+ IPV6_ADDR_LEN);
+ ip6->proto = IPPROTO_UDP;
+ udp->src_port = fdir_input->flow.udp6_flow.dst_port;
+ udp->dst_port = fdir_input->flow.udp6_flow.src_port;
+ udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
+ break;
+
+ case RTE_ETH_FLOW_TYPE_TCPV6:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip6 = (struct ipv6_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ tcp = (struct tcp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv6_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv6_hdr) + sizeof(struct
tcp_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
+ ip6->vtc_flow =
rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW);
+ ip6->payload_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
+ ip6->hop_limits = I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ rte_memcpy(&(ip6->src_addr),
&(fdir_input->flow.tcp6_flow.dst_ip),
+ IPV6_ADDR_LEN);
+ rte_memcpy(&(ip6->dst_addr),
&(fdir_input->flow.tcp6_flow.src_ip),
+ IPV6_ADDR_LEN);
+ ip6->proto = IPPROTO_TCP;
+ tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
+ tcp->src_port = fdir_input->flow.udp6_flow.dst_port;
+ tcp->dst_port = fdir_input->flow.udp6_flow.src_port;
+ break;
+
+ case RTE_ETH_FLOW_TYPE_SCTPV6:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip6 = (struct ipv6_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ sctp = (struct sctp_hdr *)(raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv6_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) +
+ sizeof(struct ipv6_hdr) + sizeof(struct sctp_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
+ ip6->vtc_flow =
rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW);
+ ip6->payload_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
+ ip6->hop_limits = I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ rte_memcpy(&(ip6->src_addr),
&(fdir_input->flow.sctp6_flow.dst_ip),
+ IPV6_ADDR_LEN);
+ rte_memcpy(&(ip6->dst_addr),
&(fdir_input->flow.sctp6_flow.src_ip),
+ IPV6_ADDR_LEN);
+ ip6->proto = IPPROTO_SCTP;
+ sctp->tag = fdir_input->flow.sctp6_flow.verify_tag;
+ break;
+
+ case RTE_ETH_FLOW_TYPE_IPV6_OTHER:
+ ether = (struct ether_hdr *)raw_pkt;
+ ip6 = (struct ipv6_hdr *)(raw_pkt + sizeof(struct ether_hdr));
+ payload = raw_pkt + sizeof(struct ether_hdr) + sizeof(struct
ipv6_hdr);
+
+ ether->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
+ ip6->vtc_flow =
rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW);
+ ip6->proto = IPPROTO_NONE;
+ ip6->payload_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
+ ip6->hop_limits = I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
+
+ /*
+ * The source and destination fields in the transmitted packet
+ * need to be presented in a reversed order with respect
+ * to the expected received packets.
+ */
+ rte_memcpy(&(ip6->src_addr),
&(fdir_input->flow.ip6_flow.dst_ip),
+ IPV6_ADDR_LEN);
+ rte_memcpy(&(ip6->dst_addr),
&(fdir_input->flow.ip6_flow.src_ip),
+ IPV6_ADDR_LEN);
+ set_idx = 1; /* l3 payload */
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "unknown flow type %u.",
fdir_input->flow_type);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < 3; i++) {
+ if (pf->fdir.flex_set[set_idx][i].size == 0)
+ break;
+ (void)rte_memcpy(payload + 2 *
pf->fdir.flex_set[set_idx][i].offset,
+ fdir_input->flow_ext.flexwords + size,
+ 2 * pf->fdir.flex_set[set_idx][i].size);
+ size = pf->fdir.flex_set[set_idx][i].size;
+ }
+ return 0;
+}
+
+/* Construct the tx flags */
+static inline uint64_t
+i40e_build_ctob(uint32_t td_cmd,
+ uint32_t td_offset,
+ unsigned int size,
+ uint32_t td_tag)
+{
+ return rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DATA |
+ ((uint64_t)td_cmd << I40E_TXD_QW1_CMD_SHIFT) |
+ ((uint64_t)td_offset << I40E_TXD_QW1_OFFSET_SHIFT) |
+ ((uint64_t)size << I40E_TXD_QW1_TX_BUF_SZ_SHIFT) |
+ ((uint64_t)td_tag << I40E_TXD_QW1_L2TAG1_SHIFT));
+}
+
+/*
+ * check the programming status descriptor in rx queue.
+ * done after Programming Flow Director is programmed on
+ * tx queue
+ */
+static inline int
+i40e_check_fdir_programming_status(struct i40e_rx_queue *rxq)
+{
+ volatile union i40e_rx_desc *rxdp;
+ uint64_t qword1;
+ uint32_t rx_status;
+ uint32_t len, id;
+ uint32_t error;
+ int ret = 0;
+
+ rxdp = &rxq->rx_ring[rxq->rx_tail];
+ qword1 = rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len);
+ rx_status = (qword1 & I40E_RXD_QW1_STATUS_MASK)
+ >> I40E_RXD_QW1_STATUS_SHIFT;
+
+ if (rx_status & (1 << I40E_RX_DESC_STATUS_DD_SHIFT)) {
+ len = qword1 >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT;
+ id = (qword1 & I40E_RX_PROG_STATUS_DESC_QW1_PROGID_MASK) >>
+ I40E_RX_PROG_STATUS_DESC_QW1_PROGID_SHIFT;
+
+ if (len == I40E_RX_PROG_STATUS_DESC_LENGTH &&
+ id == I40E_RX_PROG_STATUS_DESC_FD_FILTER_STATUS) {
+ error = (qword1 &
+ I40E_RX_PROG_STATUS_DESC_QW1_ERROR_MASK) >>
+ I40E_RX_PROG_STATUS_DESC_QW1_ERROR_SHIFT;
+ if (error == (0x1 <<
+ I40E_RX_PROG_STATUS_DESC_FD_TBL_FULL_SHIFT)) {
+ PMD_DRV_LOG(ERR, "Failed to add FDIR filter"
+ " (FD_ID %u): programming status"
+ " reported.",
+ rxdp->wb.qword0.hi_dword.fd_id);
+ ret = -1;
+ } else if (error == (0x1 <<
+ I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT)) {
+ PMD_DRV_LOG(ERR, "Failed to delete FDIR filter"
+ " (FD_ID %u): programming status"
+ " reported.",
+ rxdp->wb.qword0.hi_dword.fd_id);
+ ret = -1;
+ } else
+ PMD_DRV_LOG(ERR, "invalid programming status"
+ " reported, error = %u.", error);
+ } else
+ PMD_DRV_LOG(ERR, "unknown programming status"
+ " reported, len = %d, id = %u.", len, id);
+ rxdp->wb.qword1.status_error_len = 0;
+ rxq->rx_tail++;
+ if (unlikely(rxq->rx_tail == rxq->nb_rx_desc))
+ rxq->rx_tail = 0;
+ }
+ return ret;
+}
+
+/*
+ * i40e_add_del_fdir_filter - add or remove a flow director filter.
+ * @pf: board private structure
+ * @filter: fdir filter entry
+ * @add: 0 - delete, 1 - add
+ */
+static int
+i40e_add_del_fdir_filter(struct i40e_pf *pf,
+ struct rte_eth_fdir_filter *filter,
+ bool add)
+{
+ int ret = 0;
+ unsigned char *pkt = (unsigned char *)pf->fdir.prg_pkt;
+
+ if (!(pf->flags & I40E_FLAG_FDIR)) {
+ PMD_DRV_LOG(ERR, "FDIR is not enabled.");
+ return -ENOTSUP;
+ }
+
+ memset(pkt, 0, I40E_FDIR_PKT_LEN);
+
+ ret = i40e_fdir_construct_pkt(pf, &filter->input, pkt);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "construct packet for fdir fails.");
+ return ret;
+ }
+
+ switch (filter->input.flow_type) {
+ case RTE_ETH_FLOW_TYPE_UDPV4:
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV4_UDP,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV4_UDP fdir programming
fails.");
+ break;
+ case RTE_ETH_FLOW_TYPE_TCPV4:
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV4_TCP,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV4_TCP fdir programming
fails.");
+ break;
+ case RTE_ETH_FLOW_TYPE_SCTPV4:
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV4_SCTP,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV4_SCTP fdir programming
fails.");
+ break;
+ case RTE_ETH_FLOW_TYPE_IPV4_OTHER:
+ /* program on both NONF_IPV4 and FRAG_IPV4 PCTYPE*/
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV4_OTHER,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV4_OTHER fdir programming
fails.");
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_FRAG_IPV4,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_FRAG_IPV4 fdir programming
fails.");
+ break;
+ case RTE_ETH_FLOW_TYPE_UDPV6:
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV6_UDP,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV6_UDP fdir programming
fails.");
+ break;
+ case RTE_ETH_FLOW_TYPE_TCPV6:
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV6_TCP,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV6_TCP fdir programming
fails.");
+ break;
+ case RTE_ETH_FLOW_TYPE_SCTPV6:
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV6_SCTP,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV6_SCTP fdir programming
fails.");
+ break;
+ case RTE_ETH_FLOW_TYPE_IPV6_OTHER:
+ /* program on both NONF_IPV6 and FRAG_IPV6 PCTYPE*/
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_NONF_IPV6_OTHER,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_IPV6_OTHER fdir programming
fails.");
+ ret = i40e_fdir_filter_programming(pf,
+ I40E_FILTER_PCTYPE_FRAG_IPV6,
+ filter, add);
+ if (ret < 0)
+ PMD_DRV_LOG(ERR, "NONF_FRAG_IPV6 fdir programming
fails.");
+ break;
+ default:
+ PMD_DRV_LOG(ERR, " invalid flow_type input.");
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+/*
+ * i40e_fdir_filter_programming - Program a flow director filter rule.
+ * Is done by Flow Director Programming Descriptor followed by packet
+ * structure that contains the filter fields need to match.
+ * @pf: board private structure
+ * @pctype: pctype
+ * @filter: fdir filter entry
+ * @add: 0 - delelet, 1 - add
+ */
+static int
+i40e_fdir_filter_programming(struct i40e_pf *pf,
+ enum i40e_filter_pctype pctype,
+ struct rte_eth_fdir_filter *filter,
+ bool add)
+{
+ struct i40e_tx_queue *txq = pf->fdir.txq;
+ struct i40e_rx_queue *rxq = pf->fdir.rxq;
+ struct rte_eth_fdir_input *fdir_input = &filter->input;
+ struct rte_eth_fdir_action *fdir_action = &filter->action;
+ volatile struct i40e_tx_desc *txdp;
+ volatile struct i40e_filter_program_desc *fdirdp;
+ uint32_t td_cmd;
+ uint16_t i;
+ uint8_t dest;
+
+ PMD_DRV_LOG(INFO, "filling filter programming descriptor.");
+ fdirdp = (volatile struct i40e_filter_program_desc *)
+ (&(txq->tx_ring[txq->tx_tail]));
+
+ fdirdp->qindex_flex_ptype_vsi =
+ rte_cpu_to_le_32((fdir_action->rx_queue <<
+ I40E_TXD_FLTR_QW0_QINDEX_SHIFT) &
+ I40E_TXD_FLTR_QW0_QINDEX_MASK);
+
+ fdirdp->qindex_flex_ptype_vsi |=
+ rte_cpu_to_le_32((fdir_action->flex_off <<
+ I40E_TXD_FLTR_QW0_FLEXOFF_SHIFT) &
+ I40E_TXD_FLTR_QW0_FLEXOFF_MASK);
+
+ fdirdp->qindex_flex_ptype_vsi |=
+ rte_cpu_to_le_32((pctype <<
+ I40E_TXD_FLTR_QW0_PCTYPE_SHIFT) &
+ I40E_TXD_FLTR_QW0_PCTYPE_MASK);
+
+ /* Use LAN VSI Id if not programmed by user */
+ if (fdir_input->flow_ext.dest_id == 0)
+ fdirdp->qindex_flex_ptype_vsi |=
+ rte_cpu_to_le_32((pf->main_vsi->vsi_id <<
+ I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) &
+ I40E_TXD_FLTR_QW0_DEST_VSI_MASK);
+ else
+ fdirdp->qindex_flex_ptype_vsi |=
+ rte_cpu_to_le_32((fdir_input->flow_ext.dest_id <<
+ I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) &
+ I40E_TXD_FLTR_QW0_DEST_VSI_MASK);
+
+ fdirdp->dtype_cmd_cntindex =
+ rte_cpu_to_le_32(I40E_TX_DESC_DTYPE_FILTER_PROG);
+
+ if (add)
+ fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
+ I40E_FILTER_PROGRAM_DESC_PCMD_ADD_UPDATE <<
+ I40E_TXD_FLTR_QW1_PCMD_SHIFT);
+ else
+ fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
+ I40E_FILTER_PROGRAM_DESC_PCMD_REMOVE <<
+ I40E_TXD_FLTR_QW1_PCMD_SHIFT);
+
+ if (fdir_action->drop)
+ dest = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
+ else
+ dest = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
+ fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32((dest <<
+ I40E_TXD_FLTR_QW1_DEST_SHIFT) &
+ I40E_TXD_FLTR_QW1_DEST_MASK);
+
+ fdirdp->dtype_cmd_cntindex |=
+ rte_cpu_to_le_32((fdir_action->report_status<<
+ I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT) &
+ I40E_TXD_FLTR_QW1_FD_STATUS_MASK);
+
+ fdirdp->dtype_cmd_cntindex |=
+ rte_cpu_to_le_32(I40E_TXD_FLTR_QW1_CNT_ENA_MASK);
+ if (fdir_action->cnt_idx != 0)
+ fdirdp->dtype_cmd_cntindex |=
+ rte_cpu_to_le_32((fdir_action->cnt_idx <<
+ I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) &
+ I40E_TXD_FLTR_QW1_CNTINDEX_MASK);
+ else
+ fdirdp->dtype_cmd_cntindex |=
+ rte_cpu_to_le_32((pf->fdir.match_counter_index
<<
+ I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) &
+ I40E_TXD_FLTR_QW1_CNTINDEX_MASK);
+
+ fdirdp->fd_id = rte_cpu_to_le_32(filter->soft_id);
+ txq->tx_tail++;
+ if (txq->tx_tail >= txq->nb_tx_desc)
+ txq->tx_tail = 0;
+
+ PMD_DRV_LOG(INFO, "filling transmit descriptor.");
+ txdp = &(txq->tx_ring[txq->tx_tail]);
+ txdp->buffer_addr = rte_cpu_to_le_64(pf->fdir.dma_addr);
+ td_cmd = I40E_TX_DESC_CMD_EOP |
+ I40E_TX_DESC_CMD_RS |
+ I40E_TX_DESC_CMD_DUMMY;
+
+ txdp->cmd_type_offset_bsz =
+ i40e_build_ctob(td_cmd, 0, I40E_FDIR_PKT_LEN, 0);
+
+ txq->tx_tail++;
+ if (txq->tx_tail >= txq->nb_tx_desc)
+ txq->tx_tail = 0;
+ /* Update the tx tail register */
+ rte_wmb();
+ I40E_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail);
+
+ for (i = 0; i < I40E_FDIR_WAIT_COUNT; i++) {
+ rte_delay_us(I40E_FDIR_WAIT_INTERVAL_US);
+ if (txdp->cmd_type_offset_bsz &
+ rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DESC_DONE))
+ break;
+ }
+ if (i >= I40E_FDIR_WAIT_COUNT) {
+ PMD_DRV_LOG(ERR, "Failed to program FDIR filter:"
+ " time out to get DD on tx queue.");
+ return -ETIMEDOUT;
+ }
+ /* totally delay 10 ms to check programming status*/
+ rte_delay_us((I40E_FDIR_WAIT_COUNT - i) * I40E_FDIR_WAIT_INTERVAL_US);
+ if (i40e_check_fdir_programming_status(rxq) < 0) {
+ PMD_DRV_LOG(ERR, "Failed to program FDIR filter:"
+ " programming status reported.");
+ return -ENOSYS;
+ }
+
+ return 0;
+}
+
+/*
+ * i40e_fdir_ctrl_func - deal with all operations on flow director.
+ * @pf: board private structure
+ * @filter_op:operation will be taken.
+ * @arg: a pointer to specific structure corresponding to the filter_op
+ */
+int
+i40e_fdir_ctrl_func(struct i40e_pf *pf, enum rte_filter_op filter_op, void
*arg)
+{
+ int ret = 0;
+
+ if (arg == NULL && filter_op != RTE_ETH_FILTER_NOP &&
+ filter_op != RTE_ETH_FILTER_FLUSH)
+ return -EINVAL;
+
+ switch (filter_op) {
+ case RTE_ETH_FILTER_NOP:
+ if (!(pf->flags & I40E_FLAG_FDIR))
+ ret = -ENOTSUP;
+ break;
+ case RTE_ETH_FILTER_ADD:
+ ret = i40e_add_del_fdir_filter(pf,
+ (struct rte_eth_fdir_filter *)arg,
+ TRUE);
+ break;
+ case RTE_ETH_FILTER_DELETE:
+ ret = i40e_add_del_fdir_filter(pf,
+ (struct rte_eth_fdir_filter *)arg,
+ FALSE);
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "unknown operation %u.", filter_op);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
--
1.8.1.4
