From 42bc3e57877f2357ccbbc3ad6e6c7d9be44579f9 Mon Sep 17 00:00:00 2001 From: Varun Prakash Date: Wed, 20 Apr 2016 00:00:12 +0530 Subject: [PATCH] iscsi-target: add int (*iscsit_validate_params)() Add int (*iscsit_validate_params)() to struct iscsit_transport, iscsi-target uses this callback for validating conn operational parameters. cxgbit.ko needs this callback to check and update the value of MAXXMITDATASEGMENTLENGTH. Signed-off-by: Varun Prakash Signed-off-by: Nicholas Bellinger --- drivers/target/iscsi/iscsi_target_login.c | 10 ++++++++++ include/target/iscsi/iscsi_transport.h | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 8436d56c5f0c..83574eea0be7 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1387,6 +1387,16 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) goto old_sess_out; } + if (conn->conn_transport->iscsit_validate_params) { + ret = conn->conn_transport->iscsit_validate_params(conn); + if (ret < 0) { + if (zero_tsih) + goto new_sess_out; + else + goto old_sess_out; + } + } + ret = iscsi_target_start_negotiation(login, conn); if (ret < 0) goto new_sess_out; diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h index ccc68a0334c2..46aa219be1ae 100644 --- a/include/target/iscsi/iscsi_transport.h +++ b/include/target/iscsi/iscsi_transport.h @@ -26,6 +26,7 @@ struct iscsit_transport { struct iscsi_datain_req *, const void *, u32); void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *); void (*iscsit_get_rx_pdu)(struct iscsi_conn *); + int (*iscsit_validate_params)(struct iscsi_conn *); enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *); }; -- 2.39.5