1 // SPDX-License-Identifier: GPL-2.0-or-later
17 	/* skb_segment expects skb->data at start of payload */  in __init_skb()
23 	skb->protocol = htons(ETH_P_ATALK);  in __init_skb()
24 	skb_shinfo(skb)->gso_size = GSO_TEST_SIZE;  in __init_skb()
140 static void gso_test_case_to_desc(struct gso_test_case *t, char *desc)  in gso_test_case_to_desc()  argument
142 	sprintf(desc, "%s", t->name);  in gso_test_case_to_desc()
156 	tcase = test->param_value;  in gso_test_func()
160 	skb = build_skb(page_address(page), sizeof(hdr) + tcase->linear_len + shinfo_size);  in gso_test_func()
162 	__skb_put(skb, sizeof(hdr) + tcase->linear_len);  in gso_test_func()
166 	if (tcase->nr_frags) {  in gso_test_func()
171 		page_ref_add(page, tcase->nr_frags - 1);  in gso_test_func()
173 		for (i = 0; i < tcase->nr_frags; i++) {  in gso_test_func()
174 			skb_fill_page_desc(skb, i, page, pg_off, tcase->frags[i]);  in gso_test_func()
175 			pg_off += tcase->frags[i];  in gso_test_func()
180 		skb->data_len = pg_off;  in gso_test_func()
181 		skb->len += skb->data_len;  in gso_test_func()
182 		skb->truesize += skb->data_len;  in gso_test_func()
185 	if (tcase->frag_skbs) {  in gso_test_func()
189 		for (i = 0; i < tcase->nr_frag_skbs; i++) {  in gso_test_func()
195 			frag_size = tcase->frag_skbs[i];  in gso_test_func()
202 				prev->next = frag_skb;  in gso_test_func()
204 				skb_shinfo(skb)->frag_list = frag_skb;  in gso_test_func()
208 			total_true_size += frag_skb->truesize;  in gso_test_func()
211 		skb->len += total_size;  in gso_test_func()
212 		skb->data_len += total_size;  in gso_test_func()
213 		skb->truesize += total_true_size;  in gso_test_func()
215 		if (tcase->id == GSO_TEST_GSO_BY_FRAGS)  in gso_test_func()
216 			skb_shinfo(skb)->gso_size = GSO_BY_FRAGS;  in gso_test_func()
220 	if (tcase->id == GSO_TEST_GSO_PARTIAL)  in gso_test_func()
226 	if (tcase->id == GSO_TEST_FRAG_LIST_NON_UNIFORM)  in gso_test_func()
238 	last = segs->prev;  in gso_test_func()
240 		next = cur->next;  in gso_test_func()
242 		KUNIT_ASSERT_EQ(test, cur->len, sizeof(hdr) + tcase->segs[i]);  in gso_test_func()
244 		/* segs have skb->data pointing to the mac header */  in gso_test_func()
245 		KUNIT_ASSERT_PTR_EQ(test, skb_mac_header(cur), cur->data);  in gso_test_func()
246 		KUNIT_ASSERT_PTR_EQ(test, skb_network_header(cur), cur->data + sizeof(hdr));  in gso_test_func()
251 		/* last seg can be found through segs->prev pointer */  in gso_test_func()
258 	KUNIT_ASSERT_EQ(test, i, tcase->nr_segs);  in gso_test_func()
290 /* These are __be16-compatible and can be compared as is */
298  * ``IP_TUNNEL_CSUM_BIT`` (on Big Endian) or ``IP_TUNNEL_DONT_FRAGMENT_BIT``
301  * backward-compatible.
345 				  char *desc)  in ip_tunnel_flags_test_case_to_desc()  argument
347 	strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);  in ip_tunnel_flags_test_case_to_desc()
354 	const struct ip_tunnel_flags_test *t = test->param_value;  in ip_tunnel_flags_test_run()
359 	for (u32 j = 0; j < t->src_num; j++)  in ip_tunnel_flags_test_run()
360 		__set_bit(t->src_bits[j], src);  in ip_tunnel_flags_test_run()
361 	for (u32 j = 0; j < t->exp_num; j++)  in ip_tunnel_flags_test_run()
362 		__set_bit(t->exp_bits[j], exp);  in ip_tunnel_flags_test_run()
364 	KUNIT_ASSERT_EQ(test, t->exp_comp,  in ip_tunnel_flags_test_run()
366 	KUNIT_ASSERT_EQ(test, (__force u16)t->exp_val,  in ip_tunnel_flags_test_run()
369 	ip_tunnel_flags_from_be16(out, t->exp_val);  in ip_tunnel_flags_test_run()