| commit | 9549d70a2d71526b8dc41cc0b255219ba46e5bf7 | [log] [tgz] |
|---|---|---|
| author | Julian Wiedmann <jwi@linux.ibm.com> | Fri Aug 23 11:48:53 2019 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Sat Aug 24 16:39:19 2019 -0700 |
| tree | d1af5220da765cc1ee1e2c0c4124f7b67a1f638b | |
| parent | 96bd6c94bdf9de38b0fa0ec679fe40013f1c4576 [diff] |
s390/qeth: add xmit_more support for IQD devices IQD devices offer limited support for bulking: all frames in a TX buffer need to have the same target. qeth_iqd_may_bulk() implements this constraint, and allows us to defer the TX doorbell until (a) the buffer is full (since each buffer needs its own doorbell), or (b) the entire TX queue is full, or (b) we reached the BQL limit. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>