diff options
| author | Conrad Meyer <cem@FreeBSD.org> | 2015-10-14 23:47:35 +0000 |
|---|---|---|
| committer | Conrad Meyer <cem@FreeBSD.org> | 2015-10-14 23:47:35 +0000 |
| commit | fe9621016e1540855e77cc21090000959049db18 (patch) | |
| tree | f067bd73df4cff8dfb7c3b4ed6a2d7f847694f7d /sys/dev/ntb | |
| parent | 937a702523d8b0f73dfa234d7307a4dfebe12fca (diff) | |
| download | src-fe9621016e1540855e77cc21090000959049db18.tar.gz src-fe9621016e1540855e77cc21090000959049db18.zip | |
NTB: MFV a1413cfb: correct the spread of queues over mw's
The detection of an uneven number of queues on the given memory windows
was not correct. The mw_num is zero based and the mod should be
division to spread them evenly over the mw's.
Authored by: Jon Mason
Obtained from: Linux (Dual BSD/GPL driver)
Sponsored by: EMC / Isilon Storage Division
Notes
Notes:
svn path=/head/; revision=289345
Diffstat (limited to 'sys/dev/ntb')
| -rw-r--r-- | sys/dev/ntb/if_ntb/if_ntb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/ntb/if_ntb/if_ntb.c b/sys/dev/ntb/if_ntb/if_ntb.c index 751d24d28f06..13c77fab70d2 100644 --- a/sys/dev/ntb/if_ntb/if_ntb.c +++ b/sys/dev/ntb/if_ntb/if_ntb.c @@ -566,7 +566,7 @@ ntb_transport_init_queue(struct ntb_netdev *nt, unsigned int qp_num) qp->client_ready = NTB_LINK_DOWN; qp->event_handler = NULL; - if (nt->max_qps % NTB_NUM_MW && mw_num < nt->max_qps % NTB_NUM_MW) + if (nt->max_qps % NTB_NUM_MW && mw_num + 1 < nt->max_qps / NTB_NUM_MW) num_qps_mw = nt->max_qps / NTB_NUM_MW + 1; else num_qps_mw = nt->max_qps / NTB_NUM_MW; @@ -1197,7 +1197,7 @@ ntb_transport_setup_qp_mw(struct ntb_netdev *nt, unsigned int qp_num) uint8_t mw_num = QP_TO_MW(qp_num); unsigned int i; - if (nt->max_qps % NTB_NUM_MW && mw_num < nt->max_qps % NTB_NUM_MW) + if (nt->max_qps % NTB_NUM_MW && mw_num + 1 < nt->max_qps / NTB_NUM_MW) num_qps_mw = nt->max_qps / NTB_NUM_MW + 1; else num_qps_mw = nt->max_qps / NTB_NUM_MW; |