1 // SPDX-License-Identifier: GPL-2.0
15 #include <asm-generic/errno-base.h>
38 } stats SEC(".maps");
45 } dut_stats SEC(".maps");
52 } cpu_map SEC(".maps");
59 } dev_map SEC(".maps");
67 	void *data_end = (void *)(long)xdp->data_end;  in xdp_process_echo_packet()
68 	void *data = (void *)(long)xdp->data;  in xdp_process_echo_packet()
75 		return -EINVAL;  in xdp_process_echo_packet()
77 	if (eh->h_proto == bpf_htons(ETH_P_IP)) {  in xdp_process_echo_packet()
86 			return -EINVAL;  in xdp_process_echo_packet()
88 		if (saddr != ih->saddr)  in xdp_process_echo_packet()
89 			return -EINVAL;  in xdp_process_echo_packet()
91 		if (daddr != ih->daddr)  in xdp_process_echo_packet()
92 			return -EINVAL;  in xdp_process_echo_packet()
94 		if (ih->protocol != IPPROTO_UDP)  in xdp_process_echo_packet()
95 			return -EINVAL;  in xdp_process_echo_packet()
98 	} else if (eh->h_proto == bpf_htons(ETH_P_IPV6)) {  in xdp_process_echo_packet()
104 			return -EINVAL;  in xdp_process_echo_packet()
106 		if (!ipv6_addr_equal(saddr, ih6->saddr))  in xdp_process_echo_packet()
107 			return -EINVAL;  in xdp_process_echo_packet()
109 		if (!ipv6_addr_equal(daddr, ih6->daddr))  in xdp_process_echo_packet()
110 			return -EINVAL;  in xdp_process_echo_packet()
112 		if (ih6->nexthdr != IPPROTO_UDP)  in xdp_process_echo_packet()
113 			return -EINVAL;  in xdp_process_echo_packet()
117 		return -EINVAL;  in xdp_process_echo_packet()
121 		return -EINVAL;  in xdp_process_echo_packet()
123 	port = dut ? uh->dest : uh->source;  in xdp_process_echo_packet()
125 		return -EINVAL;  in xdp_process_echo_packet()
129 		return -EINVAL;  in xdp_process_echo_packet()
131 	return bpf_htons(tlv->type) == CMD_ECHO ? 0 : -EINVAL;  in xdp_process_echo_packet()
135 xdp_update_stats(struct xdp_md *xdp, bool tx, bool dut)  in xdp_update_stats()  argument
139 	if (xdp_process_echo_packet(xdp, tx))  in xdp_update_stats()
140 		return -EINVAL;  in xdp_update_stats()
155 SEC("xdp")
163 SEC("xdp")
173 SEC("xdp")
181 SEC("xdp")
190 SEC("xdp")
199 SEC("xdp")
202 	void *data = (void *)(long)xdp->data;  in xdp_do_tx()
209 	__builtin_memcpy(tmp_mac, eh->h_source, ETH_ALEN);  in xdp_do_tx()
210 	__builtin_memcpy(eh->h_source, eh->h_dest, ETH_ALEN);  in xdp_do_tx()
211 	__builtin_memcpy(eh->h_dest, tmp_mac, ETH_ALEN);  in xdp_do_tx()
216 SEC("xdp")
225 SEC("tp_btf/xdp_exception")
238 SEC("tp_btf/xdp_cpumap_kthread")
251 SEC("xdp/cpumap")
254 	void *data = (void *)(long)xdp->data;  in xdp_do_redirect_cpumap()
261 	__builtin_memcpy(tmp_mac, eh->h_source, ETH_ALEN);  in xdp_do_redirect_cpumap()
262 	__builtin_memcpy(eh->h_source, eh->h_dest, ETH_ALEN);  in xdp_do_redirect_cpumap()
263 	__builtin_memcpy(eh->h_dest, tmp_mac, ETH_ALEN);  in xdp_do_redirect_cpumap()
268 char _license[] SEC("license") = "GPL";