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author | John Baldwin <jhb@FreeBSD.org> | 2021-05-20 16:59:11 +0000 |
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committer | John Baldwin <jhb@FreeBSD.org> | 2021-05-20 16:59:11 +0000 |
commit | 0cc7d64a2a37533afe03d2b640dc107be41b5f56 (patch) | |
tree | 15ba514d2bd751973545a6114539ed14cf9700f6 /sys/cam | |
parent | 71e3d1b3a0ee4080c53615167bde4d93efe103fe (diff) | |
download | src-0cc7d64a2a37533afe03d2b640dc107be41b5f56.tar.gz src-0cc7d64a2a37533afe03d2b640dc107be41b5f56.zip |
iscsi: Move the maximum data segment limits into 'struct icl_conn'.
This fixes a few bugs in iSCSI backends where the backends were using
the limits they advertised initially during the login phase as the
final values instead of the values negotiated with the other end.
Reported by: Jithesh Arakkan @ Chelsio
Reviewed by: mav
Differential Revision: https://reviews.freebsd.org/D30271
Diffstat (limited to 'sys/cam')
-rw-r--r-- | sys/cam/ctl/ctl_frontend_iscsi.c | 23 | ||||
-rw-r--r-- | sys/cam/ctl/ctl_frontend_iscsi.h | 2 |
2 files changed, 14 insertions, 11 deletions
diff --git a/sys/cam/ctl/ctl_frontend_iscsi.c b/sys/cam/ctl/ctl_frontend_iscsi.c index a5a80848c763..b3cd8ab79d76 100644 --- a/sys/cam/ctl/ctl_frontend_iscsi.c +++ b/sys/cam/ctl/ctl_frontend_iscsi.c @@ -1568,8 +1568,10 @@ cfiscsi_ioctl_handoff(struct ctl_iscsi *ci) */ cs->cs_cmdsn = cihp->cmdsn; cs->cs_statsn = cihp->statsn; - cs->cs_max_recv_data_segment_length = cihp->max_recv_data_segment_length; - cs->cs_max_send_data_segment_length = cihp->max_send_data_segment_length; + cs->cs_conn->ic_max_recv_data_segment_length = + cihp->max_recv_data_segment_length; + cs->cs_conn->ic_max_send_data_segment_length = + cihp->max_send_data_segment_length; cs->cs_max_burst_length = cihp->max_burst_length; cs->cs_first_burst_length = cihp->first_burst_length; cs->cs_immediate_data = !!cihp->immediate_data; @@ -1734,8 +1736,8 @@ cfiscsi_ioctl_list(struct ctl_iscsi *ci) cs->cs_target->ct_tag, cs->cs_conn->ic_header_crc32c ? "CRC32C" : "None", cs->cs_conn->ic_data_crc32c ? "CRC32C" : "None", - cs->cs_max_recv_data_segment_length, - cs->cs_max_send_data_segment_length, + cs->cs_conn->ic_max_recv_data_segment_length, + cs->cs_conn->ic_max_send_data_segment_length, cs->cs_max_burst_length, cs->cs_first_burst_length, cs->cs_immediate_data, @@ -2534,12 +2536,14 @@ cfiscsi_datamove_in(union ctl_io *io) /* * Truncate to maximum data segment length. */ - KASSERT(response->ip_data_len < cs->cs_max_send_data_segment_length, + KASSERT(response->ip_data_len < + cs->cs_conn->ic_max_send_data_segment_length, ("ip_data_len %zd >= max_send_data_segment_length %d", - response->ip_data_len, cs->cs_max_send_data_segment_length)); + response->ip_data_len, + cs->cs_conn->ic_max_send_data_segment_length)); if (response->ip_data_len + len > - cs->cs_max_send_data_segment_length) { - len = cs->cs_max_send_data_segment_length - + cs->cs_conn->ic_max_send_data_segment_length) { + len = cs->cs_conn->ic_max_send_data_segment_length - response->ip_data_len; KASSERT(len <= sg_len, ("len %zd > sg_len %zd", len, sg_len)); @@ -2599,7 +2603,8 @@ cfiscsi_datamove_in(union ctl_io *io) i++; } - if (response->ip_data_len == cs->cs_max_send_data_segment_length) { + if (response->ip_data_len == + cs->cs_conn->ic_max_send_data_segment_length) { /* * Can't stuff more data into the current PDU; * queue it. Note that's not enough to check diff --git a/sys/cam/ctl/ctl_frontend_iscsi.h b/sys/cam/ctl/ctl_frontend_iscsi.h index a1c857231428..7c7f422a8d1f 100644 --- a/sys/cam/ctl/ctl_frontend_iscsi.h +++ b/sys/cam/ctl/ctl_frontend_iscsi.h @@ -86,8 +86,6 @@ struct cfiscsi_session { bool cs_terminating; bool cs_handoff_in_progress; bool cs_tasks_aborted; - int cs_max_recv_data_segment_length; - int cs_max_send_data_segment_length; int cs_max_burst_length; int cs_first_burst_length; bool cs_immediate_data; |