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path: root/fs/ksmbd/connection.c
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2022-05-21ksmbd: fix outstanding credits related bugsHyunchul Lee
outstanding credits must be initialized to 0, because it means the sum of credits consumed by in-flight requests. And outstanding credits must be compared with total credits in smb2_validate_credit_charge(), because total credits are the sum of credits granted by ksmbd. This patch fix the following error, while frametest with Windows clients: Limits exceeding the maximum allowable outstanding requests, given : 128, pending : 8065 Fixes: b589f5db6d4a ("ksmbd: limits exceeding the maximum allowable outstanding requests") Cc: stable@vger.kernel.org Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Reported-by: Yufan Chen <wiz.chen@gmail.com> Tested-by: Yufan Chen <wiz.chen@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-05-21ksmbd: smbd: change prototypes of RDMA read/write related functionsHyunchul Lee
Change the prototypes of RDMA read/write operations to accept a pointer and length of buffer descriptors. Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-01-10ksmbd: add smb-direct shutdownYufan Chen
When killing ksmbd server after connecting rdma, ksmbd threads does not terminate properly because the rdma connection is still alive. This patch add shutdown operation to disconnect rdma connection while ksmbd threads terminate. Signed-off-by: Yufan Chen <wiz.chen@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-01-10ksmbd: limits exceeding the maximum allowable outstanding requestsNamjae Jeon
If the client ignores the CreditResponse received from the server and continues to send the request, ksmbd limits the requests if it exceeds smb2 max credits. Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-11-11ksmbd: remove smb2_buf_length in smb2_transform_hdrNamjae Jeon
To move smb2_transform_hdr to smbfs_common, This patch remove smb2_buf_length variable in smb2_transform_hdr. Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-11-11ksmbd: remove smb2_buf_length in smb2_hdrNamjae Jeon
To move smb2_hdr to smbfs_common, This patch remove smb2_buf_length variable in smb2_hdr. Also, declare smb2_get_msg function to get smb2 request/response from ->request/response_buf. Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-10-13ksmbd: improve credits managementHyunchul Lee
* Requests except READ, WRITE, IOCTL, INFO, QUERY DIRECOTRY, CANCEL must consume one credit. * If client's granted credits are insufficient, refuse to handle requests. * Windows server 2016 or later grant up to 8192 credits to clients at once. Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-10-06ksmbd: add the check to vaildate if stream protocol length exceeds maximum valueNamjae Jeon
This patch add MAX_STREAM_PROT_LEN macro and check if stream protocol length exceeds maximum value. opencode pdu size check in ksmbd_pdu_size_has_room(). Cc: Tom Talpey <tom@talpey.com> Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com> Cc: Ralph Böhme <slow@samba.org> Acked-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-07-15ksmbd: fix typo in commentNamjae Jeon
Fix typo "openning" -> "opening". Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-07-13ksmbd: fix an error message in ksmbd_conn_trasnport_initHyunchul Lee
Fix an error message in ksmbd_conn_transport_init(). Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-07-10ksmbd: free ksmbd_lock when file is closedHyunchul Lee
Append ksmbd_lock into the connection's lock list and the ksmbd_file's lock list. And when a file is closed, detach ksmbd_lock from these lists and free it. Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-07-10ksmbd: fix the running request count decrementHyunchul Lee
decrement the count of running requests after sending the last response for multi-response requests. Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2021-06-28ksmbd: move fs/cifsd to fs/ksmbdNamjae Jeon
Move fs/cifsd to fs/ksmbd and rename the remaining cifsd name to ksmbd. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com>