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| author | Shiraz Saleem <shiraz.saleem@intel.com> | 2017-10-16 15:46:01 -0500 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-10-18 13:28:46 -0400 |
| commit | 5b4a1a8b87fda31c1a1d44aba7e6926167610a20 (patch) | |
| tree | b8157d0028a66494a68f551d7ac378209a01f3b5 /drivers/infiniband/hw/i40iw/i40iw_main.c | |
| parent | 9381699eedd1b5dd5b490e993b870dff7571ddcf (diff) | |
| download | op-kernel-dev-5b4a1a8b87fda31c1a1d44aba7e6926167610a20.zip op-kernel-dev-5b4a1a8b87fda31c1a1d44aba7e6926167610a20.tar.gz | |
i40iw: Reinitialize IEQ on MTU change
On a netdev MTU change event, the iWARP
Exception Queue (IEQ) buffers may not be
sized properly to handle the new MTU.
Reinitialize the IEQ with new MTU size on MTU
change event.
Also, add define for the max ethernet frame size
field in IEQ QP context instead of the snd_mss
define which is for iWARP QPs' MSS field.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_main.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_main.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index dc6b3387..e824296 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -964,8 +964,8 @@ static enum i40iw_status_code i40iw_initialize_ieq(struct i40iw_device *iwdev) info.pd_id = 2; info.sq_size = 8192; info.rq_size = 8192; - info.buf_size = 2048; - info.tx_buf_cnt = 16384; + info.buf_size = iwdev->vsi.mtu + VLAN_ETH_HLEN; + info.tx_buf_cnt = 4096; status = i40iw_puda_create_rsrc(&iwdev->vsi, &info); if (status) i40iw_pr_err("ieq create fail\n"); @@ -973,6 +973,21 @@ static enum i40iw_status_code i40iw_initialize_ieq(struct i40iw_device *iwdev) } /** + * i40iw_reinitialize_ieq - destroy and re-create ieq + * @dev: iwarp device + */ +void i40iw_reinitialize_ieq(struct i40iw_sc_dev *dev) +{ + struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; + + i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_IEQ, false); + if (i40iw_initialize_ieq(iwdev)) { + iwdev->reset = true; + i40iw_request_reset(iwdev); + } +} + +/** * i40iw_hmc_setup - create hmc objects for the device * @iwdev: iwarp device * |
