* Copyright 2019 Mellanox Technologies, Ltd
*/
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
int conn_sock;
int ret;
struct cmsghdr *cmsg = NULL;
- int data;
- char buf[CMSG_SPACE(sizeof(int))] = { 0 };
+ uint32_t data[MLX5_SENDMSG_MAX / sizeof(uint32_t)];
+ uint64_t flow_ptr = 0;
+ uint8_t buf[CMSG_SPACE(sizeof(int))] = { 0 };
struct iovec io = {
- .iov_base = &data,
+ .iov_base = data,
.iov_len = sizeof(data),
};
struct msghdr msg = {
.msg_control = buf,
.msg_controllen = sizeof(buf),
};
- uint16_t port_id;
+
+ uint32_t port_id;
int fd;
FILE *file = NULL;
struct rte_eth_dev *dev;
+ struct rte_flow_error err;
+ struct mlx5_flow_dump_req *dump_req;
+ struct mlx5_flow_dump_ack *dump_ack;
+ memset(data, 0, sizeof(data));
/* Accept the connection from the client. */
conn_sock = accept(server_socket, NULL, NULL);
if (conn_sock < 0) {
return;
}
ret = recvmsg(conn_sock, &msg, MSG_WAITALL);
- if (ret < 0) {
+ if (ret != sizeof(struct mlx5_flow_dump_req)) {
DRV_LOG(WARNING, "wrong message received: %s",
strerror(errno));
goto error;
}
+
/* Receive file descriptor. */
cmsg = CMSG_FIRSTHDR(&msg);
if (cmsg == NULL || cmsg->cmsg_type != SCM_RIGHTS ||
DRV_LOG(WARNING, "wrong port number message");
goto error;
}
- memcpy(&port_id, msg.msg_iov->iov_base, sizeof(port_id));
+
+ dump_req = (struct mlx5_flow_dump_req *)msg.msg_iov->iov_base;
+ if (dump_req) {
+ port_id = dump_req->port_id;
+ flow_ptr = dump_req->flow_id;
+ } else {
+ DRV_LOG(WARNING, "Invalid message");
+ goto error;
+ }
+
if (!rte_eth_dev_is_valid_port(port_id)) {
DRV_LOG(WARNING, "Invalid port %u", port_id);
goto error;
}
+
/* Dump flow. */
dev = &rte_eth_devices[port_id];
- ret = mlx5_flow_dev_dump(dev, NULL, file, NULL);
+ if (flow_ptr == 0)
+ ret = mlx5_flow_dev_dump(dev, NULL, file, NULL);
+ else
+ ret = mlx5_flow_dev_dump(dev,
+ (struct rte_flow *)((uintptr_t)flow_ptr), file, &err);
+
/* Set-up the ancillary data and reply. */
msg.msg_controllen = 0;
msg.msg_control = NULL;
msg.msg_iovlen = 1;
msg.msg_iov = &io;
- data = -ret;
- io.iov_len = sizeof(data);
- io.iov_base = &data;
+ dump_ack = (struct mlx5_flow_dump_ack *)data;
+ dump_ack->rc = -ret;
+ io.iov_len = sizeof(struct mlx5_flow_dump_ack);
+ io.iov_base = dump_ack;
do {
ret = sendmsg(conn_sock, &msg, 0);
} while (ret < 0 && errno == EINTR);