157 	int sn, dn;     /* offset from the head of the mbuf, to meat */  in esp_cbc_decrypt_aes()  local
202 	soff = sn = dn = 0;  in esp_cbc_decrypt_aes()
239 		if (!d || dn + AES_BLOCKLEN > d->m_len) {  in esp_cbc_decrypt_aes()
280 			dn = 0;  in esp_cbc_decrypt_aes()
284 		if (len > d->m_len - dn) {  in esp_cbc_decrypt_aes()
285 			len = d->m_len - dn;  in esp_cbc_decrypt_aes()
319 		aes_decrypt_cbc(sp, iv, len >> 4, dptr + dn,  in esp_cbc_decrypt_aes()
329 		dn += len;  in esp_cbc_decrypt_aes()
372 	int sn, dn;     /* offset from the head of the mbuf, to meat */  in esp_cbc_encrypt_aes()  local
418 	soff = sn = dn = 0;  in esp_cbc_encrypt_aes()
455 		if (!d || dn + AES_BLOCKLEN > d->m_len) {  in esp_cbc_encrypt_aes()
496 			dn = 0;  in esp_cbc_encrypt_aes()
500 		if (len > d->m_len - dn) {  in esp_cbc_encrypt_aes()
501 			len = d->m_len - dn;  in esp_cbc_encrypt_aes()
543 		aes_encrypt_cbc(sp, ivp, len >> 4, dptr + dn,  in esp_cbc_encrypt_aes()
556 		dn += len;  in esp_cbc_encrypt_aes()
559 		ivp = dptr + dn - AES_BLOCKLEN; // last block encrypted  in esp_cbc_encrypt_aes()
686 	int sn, dn;     /* offset from the head of the mbuf, to meat */  in esp_gcm_encrypt_aes()  local
773 	soff = sn = dn = 0;  in esp_gcm_encrypt_aes()
801 		if (!d || (dn + len > d->m_len)) {  in esp_gcm_encrypt_aes()
843 			dn = 0;  in esp_gcm_encrypt_aes()
847 		if (len > d->m_len - dn) {  in esp_gcm_encrypt_aes()
848 			len = d->m_len - dn;  in esp_gcm_encrypt_aes()
882 		if (aes_encrypt_gcm(sp, len, dptr + dn, ctx->encrypt)) {  in esp_gcm_encrypt_aes()
895 		dn += len;  in esp_gcm_encrypt_aes()
930 	int sn, dn;     /* offset from the head of the mbuf, to meat */  in esp_gcm_decrypt_aes()  local
997 	soff = sn = dn = 0;  in esp_gcm_decrypt_aes()
1025 		if (!d || (dn + len > d->m_len)) {  in esp_gcm_decrypt_aes()
1067 			dn = 0;  in esp_gcm_decrypt_aes()
1071 		if (len > d->m_len - dn) {  in esp_gcm_decrypt_aes()
1072 			len = d->m_len - dn;  in esp_gcm_decrypt_aes()
1107 		if (aes_decrypt_gcm(sp, len, dptr + dn, ctx->decrypt)) {  in esp_gcm_decrypt_aes()
1120 		dn += len;  in esp_gcm_decrypt_aes()