linux-master/crypto/algif_aead.c

44 static inline bool aead_sufficient_data(struct sock *sk)
46 	struct alg_sock *ask = alg_sk(sk);
63 	struct sock *sk = sock->sk;
64 	struct alg_sock *ask = alg_sk(sk);
91 	struct sock *sk = sock->sk;
92 	struct alg_sock *ask = alg_sk(sk);
110 		err = af_alg_wait_for_data(sk, flags, 0);
130 	if (!aead_sufficient_data(sk))
153 	areq = af_alg_alloc_areq(sk, sizeof(struct af_alg_async_req) +
159 	err = af_alg_get_rsgl(sk, msg, flags, areq, outlen, &usedpages);
231 		af_alg_pull_tsgl(sk, processed, NULL, 0);
252 		areq->tsgl_entries = af_alg_count_tsgl(sk, processed,
256 		areq->tsgl = sock_kmalloc(sk, array_size(sizeof(*areq->tsgl),
266 		af_alg_pull_tsgl(sk, processed, areq->tsgl, processed - as);
289 		sock_hold(sk);
305 		sock_put(sk);
328 	struct sock *sk = sock->sk;
331 	lock_sock(sk);
353 	af_alg_wmem_wakeup(sk);
354 	release_sock(sk);
383 	struct sock *sk = sock->sk;
384 	struct alg_sock *ask = alg_sk(sk);
386 	lock_sock(sk);
407 	release_sock(sk);
507 static void aead_sock_destruct(struct sock *sk)
509 	struct alg_sock *ask = alg_sk(sk);
517 	af_alg_pull_tsgl(sk, ctx->used, NULL, 0);
518 	sock_kzfree_s(sk, ctx->iv, ivlen);
519 	sock_kfree_s(sk, ctx, ctx->len);
520 	af_alg_release_parent(sk);
523 static int aead_accept_parent_nokey(void *private, struct sock *sk)
526 	struct alg_sock *ask = alg_sk(sk);
532 	ctx = sock_kmalloc(sk, len, GFP_KERNEL);
537 	ctx->iv = sock_kmalloc(sk, ivlen, GFP_KERNEL);
539 		sock_kfree_s(sk, ctx, len);
550 	sk->sk_destruct = aead_sock_destruct;
555 static int aead_accept_parent(void *private, struct sock *sk)
562 	return aead_accept_parent_nokey(private, sk);