diff mbox series

[RFC,net-next,v2,2/6] Define QUIC specific constants, control and data plane structures

Message ID 20220806001153.1461577-3-adel.abushaev@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: support QUIC crypto | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2071 this patch: 2071
netdev/cc_maintainers success CCed 1 of 1 maintainers
netdev/build_clang success Errors and warnings before: 560 this patch: 560
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 2199 this patch: 2199
netdev/checkpatch warning WARNING: From:/Signed-off-by: email address mismatch: 'From: Adel Abouchaev <adel.abushaev@gmail.com>' != 'Signed-off-by: Adel Abouchaev <adelab@fb.com>' WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Adel Abouchaev Aug. 6, 2022, 12:11 a.m. UTC 
Define control and data plane structures to pass in control plane for
flow add/remove and during packet send within ancillary data. Define
constants to use within SOL_UDP to program QUIC sockets.

Signed-off-by: Adel Abouchaev <adelab@fb.com>
---
 include/uapi/linux/quic.h | 61 +++++++++++++++++++++++++++++++++++++++
 include/uapi/linux/udp.h  |  3 ++
 2 files changed, 64 insertions(+)
 create mode 100644 include/uapi/linux/quic.h
diff mbox series

Patch

diff --git a/include/uapi/linux/quic.h b/include/uapi/linux/quic.h
new file mode 100644
index 000000000000..79680b8b18a6
--- /dev/null
+++ b/include/uapi/linux/quic.h
@@ -0,0 +1,61 @@ 
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) */
+
+#ifndef _UAPI_LINUX_QUIC_H
+#define _UAPI_LINUX_QUIC_H
+
+#include <linux/types.h>
+#include <linux/tls.h>
+
+#define QUIC_MAX_CONNECTION_ID_SIZE 20
+
+/* Side by side data for QUIC egress operations */
+#define QUIC_BYPASS_ENCRYPTION 0x01
+
+struct quic_tx_ancillary_data {
+	__aligned_u64	next_pkt_num;
+	__u8	flags;
+	__u8	conn_id_length;
+};
+
+struct quic_connection_info_key {
+	__u8	conn_id[QUIC_MAX_CONNECTION_ID_SIZE];
+	__u8	conn_id_length;
+};
+
+struct quic_aes_gcm_128 {
+	__u8	header_key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
+	__u8	payload_key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
+	__u8	payload_iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
+};
+
+struct quic_aes_gcm_256 {
+	__u8	header_key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];
+	__u8	payload_key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];
+	__u8	payload_iv[TLS_CIPHER_AES_GCM_256_IV_SIZE];
+};
+
+struct quic_aes_ccm_128 {
+	__u8	header_key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
+	__u8	payload_key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
+	__u8	payload_iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];
+};
+
+struct quic_chacha20_poly1305 {
+	__u8	header_key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE];
+	__u8	payload_key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE];
+	__u8	payload_iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE];
+};
+
+struct quic_connection_info {
+	__u16	cipher_type;
+	struct quic_connection_info_key		key;
+	union {
+		struct quic_aes_gcm_128 aes_gcm_128;
+		struct quic_aes_gcm_256 aes_gcm_256;
+		struct quic_aes_ccm_128 aes_ccm_128;
+		struct quic_chacha20_poly1305 chacha20_poly1305;
+	};
+};
+
+#endif
+
diff --git a/include/uapi/linux/udp.h b/include/uapi/linux/udp.h
index 4828794efcf8..0ee4c598e70b 100644
--- a/include/uapi/linux/udp.h
+++ b/include/uapi/linux/udp.h
@@ -34,6 +34,9 @@  struct udphdr {
 #define UDP_NO_CHECK6_RX 102	/* Disable accpeting checksum for UDP6 */
 #define UDP_SEGMENT	103	/* Set GSO segmentation size */
 #define UDP_GRO		104	/* This socket can receive UDP GRO packets */
+#define UDP_QUIC_ADD_TX_CONNECTION	106 /* Add QUIC Tx crypto offload */
+#define UDP_QUIC_DEL_TX_CONNECTION	107 /* Del QUIC Tx crypto offload */
+#define UDP_QUIC_ENCRYPT		108 /* QUIC encryption parameters */
 
 /* UDP encapsulation types */
 #define UDP_ENCAP_ESPINUDP_NON_IKE	1 /* draft-ietf-ipsec-nat-t-ike-00/01 */