592 build_preauth_ctxt(struct smb2_preauth_neg_context *pneg_ctxt)  in build_preauth_ctxt()  argument
594 	pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES;  in build_preauth_ctxt()
595 	pneg_ctxt->DataLength = cpu_to_le16(38);  in build_preauth_ctxt()
596 	pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1);  in build_preauth_ctxt()
597 	pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE);  in build_preauth_ctxt()
598 	get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE);  in build_preauth_ctxt()
599 	pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512;  in build_preauth_ctxt()
603 build_compression_ctxt(struct smb2_compression_capabilities_context *pneg_ctxt)  in build_compression_ctxt()  argument
605 	pneg_ctxt->ContextType = SMB2_COMPRESSION_CAPABILITIES;  in build_compression_ctxt()
606 	pneg_ctxt->DataLength =  in build_compression_ctxt()
609 	pneg_ctxt->CompressionAlgorithmCount = cpu_to_le16(3);  in build_compression_ctxt()
610 	pneg_ctxt->CompressionAlgorithms[0] = SMB3_COMPRESS_LZ77;  in build_compression_ctxt()
611 	pneg_ctxt->CompressionAlgorithms[1] = SMB3_COMPRESS_LZ77_HUFF;  in build_compression_ctxt()
612 	pneg_ctxt->CompressionAlgorithms[2] = SMB3_COMPRESS_LZNT1;  in build_compression_ctxt()
616 build_signing_ctxt(struct smb2_signing_capabilities *pneg_ctxt)  in build_signing_ctxt()  argument
621 	pneg_ctxt->ContextType = SMB2_SIGNING_CAPABILITIES;  in build_signing_ctxt()
625 	pneg_ctxt->DataLength = cpu_to_le16(ALIGN(sizeof(struct smb2_signing_capabilities) -  in build_signing_ctxt()
628 	pneg_ctxt->SigningAlgorithmCount = cpu_to_le16(num_algs);  in build_signing_ctxt()
629 	pneg_ctxt->SigningAlgorithms[0] = cpu_to_le16(SIGNING_ALG_AES_CMAC);  in build_signing_ctxt()
638 build_encrypt_ctxt(struct smb2_encryption_neg_context *pneg_ctxt)  in build_encrypt_ctxt()  argument
640 	pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES;  in build_encrypt_ctxt()
642 		pneg_ctxt->DataLength = cpu_to_le16(4); /* Cipher Count + 1 cipher */  in build_encrypt_ctxt()
643 		pneg_ctxt->CipherCount = cpu_to_le16(1);  in build_encrypt_ctxt()
644 		pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES256_GCM;  in build_encrypt_ctxt()
646 		pneg_ctxt->DataLength = cpu_to_le16(8); /* Cipher Count + 3 ciphers */  in build_encrypt_ctxt()
647 		pneg_ctxt->CipherCount = cpu_to_le16(3);  in build_encrypt_ctxt()
648 		pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM;  in build_encrypt_ctxt()
649 		pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES256_GCM;  in build_encrypt_ctxt()
650 		pneg_ctxt->Ciphers[2] = SMB2_ENCRYPTION_AES128_CCM;  in build_encrypt_ctxt()
652 		pneg_ctxt->DataLength = cpu_to_le16(6); /* Cipher Count + 2 ciphers */  in build_encrypt_ctxt()
653 		pneg_ctxt->CipherCount = cpu_to_le16(2);  in build_encrypt_ctxt()
654 		pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM;  in build_encrypt_ctxt()
655 		pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM;  in build_encrypt_ctxt()
660 build_netname_ctxt(struct smb2_netname_neg_context *pneg_ctxt, char *hostname)  in build_netname_ctxt()  argument
664 	pneg_ctxt->ContextType = SMB2_NETNAME_NEGOTIATE_CONTEXT_ID;  in build_netname_ctxt()
667 	pneg_ctxt->DataLength = cpu_to_le16(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp));  in build_netname_ctxt()
669 	return ALIGN(le16_to_cpu(pneg_ctxt->DataLength) + sizeof(struct smb2_neg_context), 8);  in build_netname_ctxt()
673 build_posix_ctxt(struct smb2_posix_neg_context *pneg_ctxt)  in build_posix_ctxt()  argument
675 	pneg_ctxt->ContextType = SMB2_POSIX_EXTENSIONS_AVAILABLE;  in build_posix_ctxt()
676 	pneg_ctxt->DataLength = cpu_to_le16(POSIX_CTXT_DATA_LEN);  in build_posix_ctxt()
678 	pneg_ctxt->Name[0] = 0x93;  in build_posix_ctxt()
679 	pneg_ctxt->Name[1] = 0xAD;  in build_posix_ctxt()
680 	pneg_ctxt->Name[2] = 0x25;  in build_posix_ctxt()
681 	pneg_ctxt->Name[3] = 0x50;  in build_posix_ctxt()
682 	pneg_ctxt->Name[4] = 0x9C;  in build_posix_ctxt()
683 	pneg_ctxt->Name[5] = 0xB4;  in build_posix_ctxt()
684 	pneg_ctxt->Name[6] = 0x11;  in build_posix_ctxt()
685 	pneg_ctxt->Name[7] = 0xE7;  in build_posix_ctxt()
686 	pneg_ctxt->Name[8] = 0xB4;  in build_posix_ctxt()
687 	pneg_ctxt->Name[9] = 0x23;  in build_posix_ctxt()
688 	pneg_ctxt->Name[10] = 0x83;  in build_posix_ctxt()
689 	pneg_ctxt->Name[11] = 0xDE;  in build_posix_ctxt()
690 	pneg_ctxt->Name[12] = 0x96;  in build_posix_ctxt()
691 	pneg_ctxt->Name[13] = 0x8B;  in build_posix_ctxt()
692 	pneg_ctxt->Name[14] = 0xCD;  in build_posix_ctxt()
693 	pneg_ctxt->Name[15] = 0x7C;  in build_posix_ctxt()
702 	char *pneg_ctxt;  in assemble_neg_contexts()  local
717 	pneg_ctxt = (*total_len) + (char *)req;  in assemble_neg_contexts()
720 	build_preauth_ctxt((struct smb2_preauth_neg_context *)pneg_ctxt);  in assemble_neg_contexts()
723 	pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
725 	build_encrypt_ctxt((struct smb2_encryption_neg_context *)pneg_ctxt);  in assemble_neg_contexts()
728 	pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
738 		ctxt_len = build_netname_ctxt((struct smb2_netname_neg_context *)pneg_ctxt,  in assemble_neg_contexts()
741 		pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
747 	build_posix_ctxt((struct smb2_posix_neg_context *)pneg_ctxt);  in assemble_neg_contexts()
749 	pneg_ctxt += sizeof(struct smb2_posix_neg_context);  in assemble_neg_contexts()
754 				pneg_ctxt);  in assemble_neg_contexts()
757 		pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
763 				pneg_ctxt);  in assemble_neg_contexts()
765 		pneg_ctxt += ctxt_len;  in assemble_neg_contexts()