int
fdir_init(uint8_t port_id){
int return_value;
struct rte_eth_fdir_info fdir_info;
/* check fdir card support */
return_value = rte_eth_dev_filter_supported(port_id, RTE_ETH_FILTER_FDIR);
if (return_value < 0) {
RTE_LOG(CRIT,PORT,"FDIR not supported on port %-2d\n",port_id);
return -1;
}
/* check filter is supported */
return_value = rte_eth_dev_filter_ctrl(port_id,
RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_NOP,
NULL
);
rte_eth_dev_filter_ctrl(port_id,
RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_INFO,
&fdir_info);
/* check fdir is activated */
if (fdir_info.mode == RTE_FDIR_MODE_PERFECT) {
printf("MODE PERFECT RULE ENABLED\n");
} else if (fdir_info.mode == RTE_FDIR_MODE_SIGNATURE) {
printf("MODE SIGNATURE ENABLED\n");
} else {
RTE_LOG(CRIT,PORT,"FDIR not enabled on port %-2d\n",port_id);
return -1;
}
if (return_value < 0){
RTE_LOG(ERR, PORT, "error FDIR : FILTER not supported,"
"error %i (%s)\n", rte_errno, strerror(rte_errno));
return rte_errno;
}
return 0;
}
static inline void
fdir_filter_add(uint8_t port_id, const char *addr, enum rte_eth_fdir_behavior behavior, uint32_t soft_id)
{
struct rte_eth_fdir_filter entry;
uint32_t fdir_ip_addr;
int ret = 0;
ret = rte_eth_dev_filter_supported(port_id, RTE_ETH_FILTER_FDIR);
if (ret < 0) {
printf("flow director is not supported on port %u.\n",
port_id);
return;
}
memset(&entry, 0, sizeof(struct rte_eth_fdir_filter));
ret = inet_pton(AF_INET, addr, &fdir_ip_addr);
if (ret <= 0) {
if (ret == 0) {
printf("Error: %s is not in presentation format\n", addr);
return;
} else if (ret == -1) {
perror("inet_pton");
return;
}
}
//printf("%d\n", behavior);
//printf("%s, %u\n", addr, fdir_ip_addr);
entry.input.flow_type = RTE_ETH_FLOW_NONFRAG_IPV4_TCP;
//entry.input.flow_type = RTE_ETH_FLOW_IPV4;
entry.input.flow.ip4_flow.dst_ip = fdir_ip_addr;
//entry.input.flow.udp4_flow.src_port = rte_cpu_to_be_16(TCP_PORT);
//entry.input.flow.udp4_flow.dst_port = rte_cpu_to_be_16(TCP_PORT);
entry.input.flow.udp4_flow.dst_port = rte_cpu_to_be_16(0);
entry.input.flow_ext.is_vf = 0;
entry.action.behavior = behavior;
entry.action.flex_off = 0;
entry.action.report_status = RTE_ETH_FDIR_REPORT_ID;
if (behavior == RTE_ETH_FDIR_ACCEPT)
entry.action.rx_queue = PKT_ACCEPT_QUEUE;
else
entry.action.rx_queue = PKT_DROP_QUEUE;
entry.soft_id = soft_id;
ret = rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_ADD, &entry);
if (ret < 0)
printf("flow director programming error: (%s)\n",
strerror(-ret));
entry.soft_id = soft_id + 100;
entry.input.flow.udp4_flow.dst_port = rte_cpu_to_be_16(0x1);
ret = rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_ADD, &entry);
if (ret < 0)
printf("flow director programming error: (%s)\n",
strerror(-ret));
}
