drivers/net/xdp.py

5 This file contains tests to verify native XDP support in network drivers.
7 directory, with each test focusing on a specific aspect of XDP functionality.
21     """Enum for XDP configuration options."""
29     """Enum for XDP actions."""
38     """Enum for XDP statistics."""
51     xdp_sec: str = "xdp"    # XDP section name (e.g., "xdp" or "xdp.frags")
99     Loads an XDP program onto a network interface.
106         dict: A dictionary containing the XDP program ID, name, and associated map IDs.
115     f"ip link set dev {cfg.ifname} mtu {bpf_info.mtu} xdp obj {abs_path} sec {bpf_info.xdp_sec}",
118     defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdp off")
121     prog_info["id"] = xdp_info["xdp"]["prog"]["id"]
122     prog_info["name"] = xdp_info["xdp"]["prog"]["name"]
150     Updates an XDP map with a given key-value pair using bpftool.
153         map_name: The name of the XDP map to update.
166     Retrieves and formats statistics from an XDP map.
169         xdp_map_id: The ID of the XDP map from which to retrieve statistics.
172         A dictionary containing formatted packet statistics for various XDP actions.
229     bpf_info = BPFProgInfo("xdp_prog", "xdp_native.bpf.o", "xdp", 1500)
241     bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", "xdp.frags", 9000)
276     bpf_info = BPFProgInfo("xdp_prog", "xdp_native.bpf.o", "xdp", 1500)
288     bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", "xdp.frags", 9000)
302     bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", "xdp.frags", 9000)
364         stats: A dictionary containing formatted packet statistics for various XDP actions.
389     Tests the XDP tail adjustment functionality.
391     This function loads the appropriate XDP program based on the provided
392     program name and configures the XDP map for tail adjustment. It then
398         prog: Name of the XDP program to load.
406     bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", "xdp.frags", 9000)
410     # Configure the XDP map for tail adjustment
455     Tests the XDP tail adjustment by growing packet data.
473     Tests the XDP tail adjustment by shrinking packet data.
517     Tests the XDP head adjustment action for a multi-buffer case.
528     prog_info = _load_xdp_prog(cfg, BPFProgInfo(prog, "xdp_native.bpf.o", "xdp.frags", 9000))
590     Tests the XDP headroom growth support.
611     Tests the XDP headroom shrinking support.
632     Main function to execute the XDP tests.
634     This function runs a series of tests to validate the XDP support for