svn commit: r363508 - projects/nfs-over-tls/sys/opencrypto

[Rick Macklem]

Author: rmacklem
Date: Sat Jul 25 02:55:33 2020
New Revision: 363508
URL: https://svnweb.freebsd.org/changeset/base/363508

Log:
  The merge resulted in two ktls_ocf_tls12_gcm_decrypt() functions.
  Delete the one not in ktls_ocf.c in head.

Modified:
  projects/nfs-over-tls/sys/opencrypto/ktls_ocf.c

Modified: projects/nfs-over-tls/sys/opencrypto/ktls_ocf.c
==============================================================================
--- projects/nfs-over-tls/sys/opencrypto/ktls_ocf.c	Sat Jul 25 01:36:06 2020	(r363507)
+++ projects/nfs-over-tls/sys/opencrypto/ktls_ocf.c	Sat Jul 25 02:55:33 2020	(r363508)
@@ -273,98 +273,6 @@ ktls_ocf_tls12_gcm_decrypt(struct ktls_session *tls,
 }
 
 static int
-ktls_ocf_tls12_gcm_decrypt(struct ktls_session *tls,
-    const struct tls_record_layer *hdr, struct iovec *iniov, int iovcnt,
-    uint64_t seqno, int *trailer_len)
-{
-	struct uio uio;
-	struct tls_aead_data ad;
-	struct cryptop *crp;
-	struct ocf_session *os;
-	struct ocf_operation *oo;
-	struct iovec *iov;
-	int error;
-	uint16_t tls_comp_len;
-
-	os = tls->cipher;
-
-	oo = malloc(sizeof(*oo) + (iovcnt + 1) * sizeof(*iov), M_KTLS_OCF,
-	    M_WAITOK | M_ZERO);
-	oo->os = os;
-	iov = oo->iov;
-
-	crp = crypto_getreq(os->sid, M_WAITOK);
-
-	/* Setup the IV. */
-	memcpy(crp->crp_iv, tls->params.iv, TLS_AEAD_GCM_LEN);
-	memcpy(crp->crp_iv + TLS_AEAD_GCM_LEN, hdr + 1, sizeof(uint64_t));
-
-	/* Setup the AAD. */
-	tls_comp_len = ntohs(hdr->tls_length) -
-	    (AES_GMAC_HASH_LEN + sizeof(uint64_t));
-	ad.seq = htobe64(seqno);
-	ad.type = hdr->tls_type;
-	ad.tls_vmajor = hdr->tls_vmajor;
-	ad.tls_vminor = hdr->tls_vminor;
-	ad.tls_length = htons(tls_comp_len);
-	iov[0].iov_base = &ad;
-	iov[0].iov_len = sizeof(ad);
-	uio.uio_resid = sizeof(ad);
-
-	/* Copy over IOV entries for the payload and trailer. */
-	memcpy(iov + 1, iniov, iovcnt * sizeof(*iov));
-
-	uio.uio_resid = sizeof(ad) + tls_comp_len + AES_GMAC_HASH_LEN;
-	uio.uio_iov = iov;
-	uio.uio_iovcnt = iovcnt + 1;
-	uio.uio_offset = 0;
-	uio.uio_segflg = UIO_SYSSPACE;
-	uio.uio_td = curthread;
-
-	crp->crp_op = CRYPTO_OP_DECRYPT | CRYPTO_OP_VERIFY_DIGEST;
-	crp->crp_flags = CRYPTO_F_CBIMM | CRYPTO_F_IV_SEPARATE;
-	crp->crp_buf_type = CRYPTO_BUF_UIO;
-	crp->crp_uio = &uio;
-	crp->crp_ilen = uio.uio_resid;
-	crp->crp_opaque = oo;
-	crp->crp_callback = ktls_ocf_callback;
-
-	crp->crp_aad_start = 0;
-	crp->crp_aad_length = sizeof(ad);
-	crp->crp_payload_start = sizeof(ad);
-	crp->crp_payload_length = crp->crp_ilen -
-	    (sizeof(ad) + AES_GMAC_HASH_LEN);
-	crp->crp_digest_start = crp->crp_ilen - AES_GMAC_HASH_LEN;
-
-	counter_u64_add(ocf_tls12_gcm_crypts, 1);
-	for (;;) {
-		error = crypto_dispatch(crp);
-		if (error)
-			break;
-
-		mtx_lock(&os->lock);
-		while (!oo->done)
-			mtx_sleep(oo, &os->lock, 0, "ocfktls", 0);
-		mtx_unlock(&os->lock);
-
-		if (crp->crp_etype != EAGAIN) {
-			error = crp->crp_etype;
-			break;
-		}
-
-		crp->crp_etype = 0;
-		crp->crp_flags &= ~CRYPTO_F_DONE;
-		oo->done = false;
-		counter_u64_add(ocf_retries, 1);
-	}
-
-	crypto_freereq(crp);
-	free(oo, M_KTLS_OCF);
-	*trailer_len = AES_GMAC_HASH_LEN;
-	return (error);
-}
-
-static int
 ktls_ocf_tls13_gcm_encrypt(struct ktls_session *tls,
     const struct tls_record_layer *hdr, uint8_t *trailer, struct iovec *iniov,
     struct iovec *outiov, int iovcnt, uint64_t seqno, uint8_t record_type)