436 build_preauth_ctxt(struct smb2_preauth_neg_context *pneg_ctxt)  in build_preauth_ctxt()  argument
438 	pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES;  in build_preauth_ctxt()
439 	pneg_ctxt->DataLength = cpu_to_le16(38);  in build_preauth_ctxt()
440 	pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1);  in build_preauth_ctxt()
441 	pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE);  in build_preauth_ctxt()
442 	get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE);  in build_preauth_ctxt()
443 	pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512;  in build_preauth_ctxt()
447 build_compression_ctxt(struct smb2_compression_capabilities_context *pneg_ctxt)  in build_compression_ctxt()  argument
449 	pneg_ctxt->ContextType = SMB2_COMPRESSION_CAPABILITIES;  in build_compression_ctxt()
450 	pneg_ctxt->DataLength =  in build_compression_ctxt()
453 	pneg_ctxt->CompressionAlgorithmCount = cpu_to_le16(3);  in build_compression_ctxt()
454 	pneg_ctxt->CompressionAlgorithms[0] = SMB3_COMPRESS_LZ77;  in build_compression_ctxt()
455 	pneg_ctxt->CompressionAlgorithms[1] = SMB3_COMPRESS_LZ77_HUFF;  in build_compression_ctxt()
456 	pneg_ctxt->CompressionAlgorithms[2] = SMB3_COMPRESS_LZNT1;  in build_compression_ctxt()
460 build_signing_ctxt(struct smb2_signing_capabilities *pneg_ctxt)  in build_signing_ctxt()  argument
465 	pneg_ctxt->ContextType = SMB2_SIGNING_CAPABILITIES;  in build_signing_ctxt()
469 	pneg_ctxt->DataLength = cpu_to_le16(ALIGN(sizeof(struct smb2_signing_capabilities) -  in build_signing_ctxt()
472 	pneg_ctxt->SigningAlgorithmCount = cpu_to_le16(num_algs);  in build_signing_ctxt()
473 	pneg_ctxt->SigningAlgorithms[0] = cpu_to_le16(SIGNING_ALG_AES_CMAC);  in build_signing_ctxt()
482 build_encrypt_ctxt(struct smb2_encryption_neg_context *pneg_ctxt)  in build_encrypt_ctxt()  argument
484 	pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES;  in build_encrypt_ctxt()
486 		pneg_ctxt->DataLength = cpu_to_le16(4); /* Cipher Count + 1 cipher */  in build_encrypt_ctxt()
487 		pneg_ctxt->CipherCount = cpu_to_le16(1);  in build_encrypt_ctxt()
488 		pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES256_GCM;  in build_encrypt_ctxt()
490 		pneg_ctxt->DataLength = cpu_to_le16(8); /* Cipher Count + 3 ciphers */  in build_encrypt_ctxt()
491 		pneg_ctxt->CipherCount = cpu_to_le16(3);  in build_encrypt_ctxt()
492 		pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM;  in build_encrypt_ctxt()
493 		pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES256_GCM;  in build_encrypt_ctxt()
494 		pneg_ctxt->Ciphers[2] = SMB2_ENCRYPTION_AES128_CCM;  in build_encrypt_ctxt()
496 		pneg_ctxt->DataLength = cpu_to_le16(6); /* Cipher Count + 2 ciphers */  in build_encrypt_ctxt()
497 		pneg_ctxt->CipherCount = cpu_to_le16(2);  in build_encrypt_ctxt()
498 		pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM;  in build_encrypt_ctxt()
499 		pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM;  in build_encrypt_ctxt()
504 build_netname_ctxt(struct smb2_netname_neg_context *pneg_ctxt, char *hostname)  in build_netname_ctxt()  argument
508 	pneg_ctxt->ContextType = SMB2_NETNAME_NEGOTIATE_CONTEXT_ID;  in build_netname_ctxt()
511 	pneg_ctxt->DataLength = cpu_to_le16(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp));  in build_netname_ctxt()
513 	return ALIGN(le16_to_cpu(pneg_ctxt->DataLength) + sizeof(struct smb2_neg_context), 8);  in build_netname_ctxt()
517 build_posix_ctxt(struct smb2_posix_neg_context *pneg_ctxt)  in build_posix_ctxt()  argument
519 	pneg_ctxt->ContextType = SMB2_POSIX_EXTENSIONS_AVAILABLE;  in build_posix_ctxt()
520 	pneg_ctxt->DataLength = cpu_to_le16(POSIX_CTXT_DATA_LEN);  in build_posix_ctxt()
522 	pneg_ctxt->Name[0] = 0x93;  in build_posix_ctxt()
523 	pneg_ctxt->Name[1] = 0xAD;  in build_posix_ctxt()
524 	pneg_ctxt->Name[2] = 0x25;  in build_posix_ctxt()
525 	pneg_ctxt->Name[3] = 0x50;  in build_posix_ctxt()
526 	pneg_ctxt->Name[4] = 0x9C;  in build_posix_ctxt()
527 	pneg_ctxt->Name[5] = 0xB4;  in build_posix_ctxt()
528 	pneg_ctxt->Name[6] = 0x11;  in build_posix_ctxt()
529 	pneg_ctxt->Name[7] = 0xE7;  in build_posix_ctxt()
530 	pneg_ctxt->Name[8] = 0xB4;  in build_posix_ctxt()
531 	pneg_ctxt->Name[9] = 0x23;  in build_posix_ctxt()
532 	pneg_ctxt->Name[10] = 0x83;  in build_posix_ctxt()
533 	pneg_ctxt->Name[11] = 0xDE;  in build_posix_ctxt()
534 	pneg_ctxt->Name[12] = 0x96;  in build_posix_ctxt()
535 	pneg_ctxt->Name[13] = 0x8B;  in build_posix_ctxt()
536 	pneg_ctxt->Name[14] = 0xCD;  in build_posix_ctxt()
537 	pneg_ctxt->Name[15] = 0x7C;  in build_posix_ctxt()
544 	char *pneg_ctxt;  in assemble_neg_contexts()  local
560 	pneg_ctxt = (*total_len) + (char *)req;  in assemble_neg_contexts()
563 	build_preauth_ctxt((struct smb2_preauth_neg_context *)pneg_ctxt);  in assemble_neg_contexts()
566 	pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
568 	build_encrypt_ctxt((struct smb2_encryption_neg_context *)pneg_ctxt);  in assemble_neg_contexts()
571 	pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
580 		ctxt_len = build_netname_ctxt((struct smb2_netname_neg_context *)pneg_ctxt,  in assemble_neg_contexts()
583 		pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
588 	build_posix_ctxt((struct smb2_posix_neg_context *)pneg_ctxt);  in assemble_neg_contexts()
590 	pneg_ctxt += sizeof(struct smb2_posix_neg_context);  in assemble_neg_contexts()
595 				pneg_ctxt);  in assemble_neg_contexts()
598 		pneg_ctxt += ctxt_len;  in assemble_neg_contexts()
604 				pneg_ctxt);  in assemble_neg_contexts()
606 		pneg_ctxt += ctxt_len;  in assemble_neg_contexts()