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-rw-r--r--fs/cifs/smb2pdu.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 4dfb51dd7065..5932fc0dc62c 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -323,6 +323,7 @@ struct smb2_negotiate_req {
#define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5)
#define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6)
#define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7)
+#define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8)
#define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100)
struct smb2_neg_context {
@@ -416,6 +417,19 @@ struct smb2_rdma_transform_capabilities_context {
__le16 RDMATransformIds[1];
} __packed;
+/* Signing algorithms */
+#define SIGNING_ALG_HMAC_SHA256 0
+#define SIGNING_ALG_AES_CMAC 1
+#define SIGNING_ALG_AES_GMAC 2
+
+struct smb2_signing_capabilities {
+ __le16 ContextType; /* 8 */
+ __le16 DataLength;
+ __u32 Reserved;
+ __le16 SigningAlgorithmCount;
+ __le16 SigningAlgorithms[];
+} __packed;
+
#define POSIX_CTXT_DATA_LEN 16
struct smb2_posix_neg_context {
__le16 ContextType; /* 0x100 */