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| author | Alexander Motin <mav@FreeBSD.org> | 2021-01-24 18:58:29 +0000 |
|---|---|---|
| committer | Alexander Motin <mav@FreeBSD.org> | 2021-01-24 18:58:29 +0000 |
| commit | b31dae0caa0286820805951842fa871f71b33d75 (patch) | |
| tree | 609ebf66c6292d5a123c10b642ded540e13b777f /sys | |
| parent | 7680431a38cc2624f7415012fb9d21d7bdb3f8c9 (diff) | |
| download | src-b31dae0caa0286820805951842fa871f71b33d75.tar.gz src-b31dae0caa0286820805951842fa871f71b33d75.zip | |
Exclude reserved iSCSI Target Transfer Tag.
RFC 7143 (11.7.4):
The Target Transfer Tag values are not specified by this protocol,
except that the value 0xffffffff is reserved and means that the
Target Transfer Tag is not supplied.
MFC after: 1 month
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/cam/ctl/ctl_frontend_iscsi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/cam/ctl/ctl_frontend_iscsi.c b/sys/cam/ctl/ctl_frontend_iscsi.c index 996ab4e44fc0..8b0effcaf393 100644 --- a/sys/cam/ctl/ctl_frontend_iscsi.c +++ b/sys/cam/ctl/ctl_frontend_iscsi.c @@ -2693,6 +2693,10 @@ cfiscsi_datamove_out(union ctl_io *io) target_transfer_tag = atomic_fetchadd_32(&cs->cs_target_transfer_tag, 1); + if (target_transfer_tag == 0xffffffff) { + target_transfer_tag = + atomic_fetchadd_32(&cs->cs_target_transfer_tag, 1); + } cdw = cfiscsi_data_wait_new(cs, io, bhssc->bhssc_initiator_task_tag, &target_transfer_tag); if (cdw == NULL) { |