diff options
| author | Robert Walsh <robert.walsh@qlogic.com> | 2007-06-18 14:24:49 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-07-09 20:12:26 -0700 |
| commit | f2d042313e420002b06715675963cfab48ed2597 (patch) | |
| tree | ae149c8d21220aff9157952e39a7632be8c7ba61 /drivers/infiniband/hw/ipath/ipath_intr.c | |
| parent | b506e1dc59726a1c608f26e7294b9fe186255139 (diff) | |
IB/ipath: ipath_poll fixups and enhancements
Fix ipath_poll and enhance it so we can poll for urgent packets or
regular packets and receive notifications of when a header queue
overflows.
Signed-off-by: Robert Walsh <robert.walsh@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_intr.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_intr.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c index 948091f7d5ac..f8aac8e932f5 100644 --- a/drivers/infiniband/hw/ipath/ipath_intr.c +++ b/drivers/infiniband/hw/ipath/ipath_intr.c @@ -680,6 +680,17 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs) chkerrpkts = 1; dd->ipath_lastrcvhdrqtails[i] = tl; pd->port_hdrqfull++; + if (test_bit(IPATH_PORT_WAITING_OVERFLOW, + &pd->port_flag)) { + clear_bit( + IPATH_PORT_WAITING_OVERFLOW, + &pd->port_flag); + set_bit( + IPATH_PORT_WAITING_OVERFLOW, + &pd->int_flag); + wake_up_interruptible( + &pd->port_wait); + } } } } @@ -877,14 +888,25 @@ static void handle_urcv(struct ipath_devdata *dd, u32 istat) dd->ipath_i_rcvurg_mask); for (i = 1; i < dd->ipath_cfgports; i++) { struct ipath_portdata *pd = dd->ipath_pd[i]; - if (portr & (1 << i) && pd && pd->port_cnt && - test_bit(IPATH_PORT_WAITING_RCV, &pd->port_flag)) { - clear_bit(IPATH_PORT_WAITING_RCV, - &pd->port_flag); - clear_bit(i + INFINIPATH_R_INTRAVAIL_SHIFT, - &dd->ipath_rcvctrl); - wake_up_interruptible(&pd->port_wait); - rcvdint = 1; + if (portr & (1 << i) && pd && pd->port_cnt) { + if (test_bit(IPATH_PORT_WAITING_RCV, + &pd->port_flag)) { + clear_bit(IPATH_PORT_WAITING_RCV, + &pd->port_flag); + set_bit(IPATH_PORT_WAITING_RCV, + &pd->int_flag); + clear_bit(i + INFINIPATH_R_INTRAVAIL_SHIFT, + &dd->ipath_rcvctrl); + wake_up_interruptible(&pd->port_wait); + rcvdint = 1; + } else if (test_bit(IPATH_PORT_WAITING_URG, + &pd->port_flag)) { + clear_bit(IPATH_PORT_WAITING_URG, + &pd->port_flag); + set_bit(IPATH_PORT_WAITING_URG, + &pd->int_flag); + wake_up_interruptible(&pd->port_wait); + } } } if (rcvdint) { |