155 	.ivlen = esp_descbc_ivlen,
174 	.ivlen = esp_common_ivlen,
193 	.ivlen = esp_common_ivlen,
212 	.ivlen = esp_common_ivlen,
231 	.ivlen = esp_gcm_ivlen,
250 	.ivlen = esp_chachapoly_ivlen,
299 	int ivlen;  in esp_max_ivlen()  local
301 	ivlen = 0;  in esp_max_ivlen()
304 		if (esp_algorithms[idx]->ivlenval > ivlen) {  in esp_max_ivlen()
305 			ivlen = esp_algorithms[idx]->ivlenval;  in esp_max_ivlen()
309 	return ivlen;  in esp_max_ivlen()
392 	__unused int ivlen)  in esp_null_decrypt()  argument
404 	__unused int ivlen)  in esp_null_encrypt()  argument
692     const struct esp_algorithm *algo, int ivlen)  in esp_cbc_decrypt()  argument
708 	if (ivlen != sav->ivlen || ivlen > sizeof(iv)) {  in esp_cbc_decrypt()
710 		    "unsupported ivlen %d\n", algo->name, ivlen));  in esp_cbc_decrypt()
730 		bodyoff = off + sizeof(struct esp) + ivlen;  in esp_cbc_decrypt()
741 			ivlen = sizeof(u_int32_t);  in esp_cbc_decrypt()
745 			bodyoff = off + sizeof(struct newesp) + ivlen;  in esp_cbc_decrypt()
752 	m_copydata(m, (int)ivoff, ivlen, (caddr_t) iv);  in esp_cbc_decrypt()
755 	if (ivlen == blocklen) {  in esp_cbc_decrypt()
757 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_decrypt()
766 		    algo->name, ivlen, blocklen));  in esp_cbc_decrypt()
930 	int ivlen)  in esp_cbc_encrypt()  argument
946 	if (ivlen != sav->ivlen || ivlen > sizeof(iv)) {  in esp_cbc_encrypt()
948 		    "unsupported ivlen %d\n", algo->name, ivlen));  in esp_cbc_encrypt()
968 		bodyoff = off + sizeof(struct esp) + ivlen;  in esp_cbc_encrypt()
979 			ivlen = sizeof(u_int32_t);  in esp_cbc_encrypt()
983 			bodyoff = off + sizeof(struct newesp) + ivlen;  in esp_cbc_encrypt()
992 		m_copydata(m, (int)ivoff, ivlen, (caddr_t) iv);  in esp_cbc_encrypt()
994 		bcopy(sav->iv, iv, ivlen);  in esp_cbc_encrypt()
996 		m_copyback(m, (int)ivoff, ivlen, (caddr_t) iv);  in esp_cbc_encrypt()
1000 	if (ivlen == blocklen) {  in esp_cbc_encrypt()
1002 	} else if (ivlen == 4 && blocklen == 8) {  in esp_cbc_encrypt()
1011 		    algo->name, ivlen, blocklen));  in esp_cbc_encrypt()