3  *  Copyright (C) 2003-2014 Chelsio Communications.  All rights reserved.
23 	unsigned int clipt_size_half = c->clipt_size / 2;  in ipv4_clip_hash()
30 	unsigned int clipt_size_half = d->clipt_size / 2;  in ipv6_clip_hash()
31 	u32 xor = key[0] ^ key[1] ^ key[2] ^ key[3];  in ipv6_clip_hash()
54 	*(__be64 *)&c.ip_hi = *(__be64 *)(lip->s6_addr);  in clip6_get_mbox()
55 	*(__be64 *)&c.ip_lo = *(__be64 *)(lip->s6_addr + 8);  in clip6_get_mbox()
56 	return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false);  in clip6_get_mbox()
69 	*(__be64 *)&c.ip_hi = *(__be64 *)(lip->s6_addr);  in clip6_release_mbox()
70 	*(__be64 *)&c.ip_lo = *(__be64 *)(lip->s6_addr + 8);  in clip6_release_mbox()
71 	return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false);  in clip6_release_mbox()
77 	struct clip_tbl *ctbl = adap->clipt;  in cxgb4_clip_get()
81 	int ret = -1;  in cxgb4_clip_get()
88 	read_lock_bh(&ctbl->lock);  in cxgb4_clip_get()
89 	list_for_each_entry(cte, &ctbl->hash_list[hash], list) {  in cxgb4_clip_get()
90 		if (cte->addr6.sin6_family == AF_INET6 && v6)  in cxgb4_clip_get()
91 			ret = memcmp(lip, cte->addr6.sin6_addr.s6_addr,  in cxgb4_clip_get()
93 		else if (cte->addr.sin_family == AF_INET && !v6)  in cxgb4_clip_get()
94 			ret = memcmp(lip, (char *)(&cte->addr.sin_addr),  in cxgb4_clip_get()
98 			read_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
99 			refcount_inc(&ce->refcnt);  in cxgb4_clip_get()
103 	read_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
105 	write_lock_bh(&ctbl->lock);  in cxgb4_clip_get()
106 	if (!list_empty(&ctbl->ce_free_head)) {  in cxgb4_clip_get()
107 		ce = list_first_entry(&ctbl->ce_free_head,  in cxgb4_clip_get()
109 		list_del_init(&ce->list);  in cxgb4_clip_get()
110 		spin_lock_init(&ce->lock);  in cxgb4_clip_get()
111 		refcount_set(&ce->refcnt, 0);  in cxgb4_clip_get()
112 		atomic_dec(&ctbl->nfree);  in cxgb4_clip_get()
113 		list_add_tail(&ce->list, &ctbl->hash_list[hash]);  in cxgb4_clip_get()
115 			ce->addr6.sin6_family = AF_INET6;  in cxgb4_clip_get()
116 			memcpy(ce->addr6.sin6_addr.s6_addr,  in cxgb4_clip_get()
120 				write_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
121 				dev_err(adap->pdev_dev,  in cxgb4_clip_get()
125 					ret, ce->addr6.sin6_addr.s6_addr);  in cxgb4_clip_get()
129 			ce->addr.sin_family = AF_INET;  in cxgb4_clip_get()
130 			memcpy((char *)(&ce->addr.sin_addr), lip,  in cxgb4_clip_get()
134 		write_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
135 		dev_info(adap->pdev_dev, "CLIP table overflow, "  in cxgb4_clip_get()
138 		return -ENOMEM;  in cxgb4_clip_get()
140 	write_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
141 	refcount_set(&ce->refcnt, 1);  in cxgb4_clip_get()
149 	struct clip_tbl *ctbl = adap->clipt;  in cxgb4_clip_release()
153 	int ret = -1;  in cxgb4_clip_release()
160 	read_lock_bh(&ctbl->lock);  in cxgb4_clip_release()
161 	list_for_each_entry(cte, &ctbl->hash_list[hash], list) {  in cxgb4_clip_release()
162 		if (cte->addr6.sin6_family == AF_INET6 && v6)  in cxgb4_clip_release()
163 			ret = memcmp(lip, cte->addr6.sin6_addr.s6_addr,  in cxgb4_clip_release()
165 		else if (cte->addr.sin_family == AF_INET && !v6)  in cxgb4_clip_release()
166 			ret = memcmp(lip, (char *)(&cte->addr.sin_addr),  in cxgb4_clip_release()
170 			read_unlock_bh(&ctbl->lock);  in cxgb4_clip_release()
174 	read_unlock_bh(&ctbl->lock);  in cxgb4_clip_release()
178 	write_lock_bh(&ctbl->lock);  in cxgb4_clip_release()
179 	spin_lock_bh(&ce->lock);  in cxgb4_clip_release()
180 	if (refcount_dec_and_test(&ce->refcnt)) {  in cxgb4_clip_release()
181 		list_del_init(&ce->list);  in cxgb4_clip_release()
182 		list_add_tail(&ce->list, &ctbl->ce_free_head);  in cxgb4_clip_release()
183 		atomic_inc(&ctbl->nfree);  in cxgb4_clip_release()
187 	spin_unlock_bh(&ce->lock);  in cxgb4_clip_release()
188 	write_unlock_bh(&ctbl->lock);  in cxgb4_clip_release()
207 	read_lock_bh(&idev->lock);  in cxgb4_update_dev_clip()
208 	list_for_each_entry(ifa, &idev->addr_list, if_list) {  in cxgb4_update_dev_clip()
209 		ret = cxgb4_clip_get(dev, (const u32 *)ifa->addr.s6_addr, 1);  in cxgb4_update_dev_clip()
213 	read_unlock_bh(&idev->lock);  in cxgb4_update_dev_clip()
228 	/* Parse all bond and vlan devices layered on top of the physical dev */  in cxgb4_update_root_dev_clip()
252 	struct adapter *adapter = seq->private;  in clip_tbl_show()
253 	struct clip_tbl *ctbl = adapter->clipt;  in clip_tbl_show()
258 	read_lock_bh(&ctbl->lock);  in clip_tbl_show()
261 	for (i = 0 ; i < ctbl->clipt_size;  ++i) {  in clip_tbl_show()
262 		list_for_each_entry(ce, &ctbl->hash_list[i], list) {  in clip_tbl_show()
264 			sprintf(ip, "%pISc", &ce->addr);  in clip_tbl_show()
265 			seq_printf(seq, "%-25s   %u\n", ip,  in clip_tbl_show()
266 				   refcount_read(&ce->refcnt));  in clip_tbl_show()
269 	seq_printf(seq, "Free clip entries : %d\n", atomic_read(&ctbl->nfree));  in clip_tbl_show()
271 	read_unlock_bh(&ctbl->lock);  in clip_tbl_show()
286 	clipt_size = clipt_end - clipt_start + 1;  in t4_init_clip_tbl()
294 	ctbl->clipt_start = clipt_start;  in t4_init_clip_tbl()
295 	ctbl->clipt_size = clipt_size;  in t4_init_clip_tbl()
296 	INIT_LIST_HEAD(&ctbl->ce_free_head);  in t4_init_clip_tbl()
298 	atomic_set(&ctbl->nfree, clipt_size);  in t4_init_clip_tbl()
299 	rwlock_init(&ctbl->lock);  in t4_init_clip_tbl()
301 	for (i = 0; i < ctbl->clipt_size; ++i)  in t4_init_clip_tbl()
302 		INIT_LIST_HEAD(&ctbl->hash_list[i]);  in t4_init_clip_tbl()
309 	ctbl->cl_list = (void *)cl_list;  in t4_init_clip_tbl()
313 		list_add_tail(&cl_list[i].list, &ctbl->ce_free_head);  in t4_init_clip_tbl()
321 	struct clip_tbl *ctbl = adap->clipt;  in t4_cleanup_clip_tbl()
324 		kvfree(ctbl->cl_list);  in t4_cleanup_clip_tbl()