1 // SPDX-License-Identifier: GPL-2.0-only
6  *  Arnaldo Carvalho de Melo <acme@conectiva.com.br>
28 		if (ccids[i]->ccid_id == id)  in ccid_by_number()
37 		if (ccid_by_number(ccid_array[--array_len]) == NULL)  in ccid_support_check()
43  * ccid_get_builtin_ccids  -  Populate a list of built-in CCIDs
47  * This function allocates memory - caller must see that it is freed after use.
53 		return -ENOBUFS;  in ccid_get_builtin_ccids()
56 		(*ccid_array)[*array_len] = ccids[*array_len]->ccid_id;  in ccid_get_builtin_ccids()
67 		return -ENOBUFS;  in ccid_getsockopt_builtin_ccids()
70 		err = -EFAULT;  in ccid_getsockopt_builtin_ccids()
73 		err = -EFAULT;  in ccid_getsockopt_builtin_ccids()
100 	int err = -ENOBUFS;  in ccid_activate()
102 	ccid_ops->ccid_hc_rx_slab =  in ccid_activate()
103 			ccid_kmem_cache_create(ccid_ops->ccid_hc_rx_obj_size,  in ccid_activate()
104 					       ccid_ops->ccid_hc_rx_slab_name,  in ccid_activate()
106 					       ccid_ops->ccid_id);  in ccid_activate()
107 	if (ccid_ops->ccid_hc_rx_slab == NULL)  in ccid_activate()
110 	ccid_ops->ccid_hc_tx_slab =  in ccid_activate()
111 			ccid_kmem_cache_create(ccid_ops->ccid_hc_tx_obj_size,  in ccid_activate()
112 					       ccid_ops->ccid_hc_tx_slab_name,  in ccid_activate()
114 					       ccid_ops->ccid_id);  in ccid_activate()
115 	if (ccid_ops->ccid_hc_tx_slab == NULL)  in ccid_activate()
118 	pr_info("DCCP: Activated CCID %d (%s)\n",  in ccid_activate()
119 		ccid_ops->ccid_id, ccid_ops->ccid_name);  in ccid_activate()
124 	ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab);  in ccid_activate()
125 	ccid_ops->ccid_hc_rx_slab = NULL;  in ccid_activate()
131 	ccid_kmem_cache_destroy(ccid_ops->ccid_hc_tx_slab);  in ccid_deactivate()
132 	ccid_ops->ccid_hc_tx_slab = NULL;  in ccid_deactivate()
133 	ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab);  in ccid_deactivate()
134 	ccid_ops->ccid_hc_rx_slab = NULL;  in ccid_deactivate()
137 		ccid_ops->ccid_id, ccid_ops->ccid_name);  in ccid_deactivate()
148 	ccid = kmem_cache_alloc(rx ? ccid_ops->ccid_hc_rx_slab :  in ccid_new()
149 				     ccid_ops->ccid_hc_tx_slab, gfp_any());  in ccid_new()
152 	ccid->ccid_ops = ccid_ops;  in ccid_new()
154 		memset(ccid + 1, 0, ccid_ops->ccid_hc_rx_obj_size);  in ccid_new()
155 		if (ccid->ccid_ops->ccid_hc_rx_init != NULL &&  in ccid_new()
156 		    ccid->ccid_ops->ccid_hc_rx_init(ccid, sk) != 0)  in ccid_new()
159 		memset(ccid + 1, 0, ccid_ops->ccid_hc_tx_obj_size);  in ccid_new()
160 		if (ccid->ccid_ops->ccid_hc_tx_init != NULL &&  in ccid_new()
161 		    ccid->ccid_ops->ccid_hc_tx_init(ccid, sk) != 0)  in ccid_new()
167 	kmem_cache_free(rx ? ccid_ops->ccid_hc_rx_slab :  in ccid_new()
168 			ccid_ops->ccid_hc_tx_slab, ccid);  in ccid_new()
176 		if (ccid->ccid_ops->ccid_hc_rx_exit != NULL)  in ccid_hc_rx_delete()
177 			ccid->ccid_ops->ccid_hc_rx_exit(sk);  in ccid_hc_rx_delete()
178 		kmem_cache_free(ccid->ccid_ops->ccid_hc_rx_slab, ccid);  in ccid_hc_rx_delete()
185 		if (ccid->ccid_ops->ccid_hc_tx_exit != NULL)  in ccid_hc_tx_delete()
186 			ccid->ccid_ops->ccid_hc_tx_exit(sk);  in ccid_hc_tx_delete()
187 		kmem_cache_free(ccid->ccid_ops->ccid_hc_tx_slab, ccid);  in ccid_hc_tx_delete()
206 	while(--i >= 0)  in ccid_initialize_builtins()