diff options
| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2015-12-23 20:17:19 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-24 06:34:45 +0300 |
| commit | 10aa3b78e9446b6d31262671dc1faed8d950d090 (patch) | |
| tree | 3b0614debebeaa49326e0008368e4351153a77fb /drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c | |
| parent | 2216d01432cb1589d1bfbd2722f2ec05cb26ea51 (diff) | |
| download | linux-10aa3b78e9446b6d31262671dc1faed8d950d090.tar.xz | |
cxgb4vf: Update to 128 byte mailbox size for T6 adapter
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c index 63dd5fdac5b9..b6fa74aafe47 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c @@ -120,12 +120,19 @@ int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size, 1, 1, 3, 5, 10, 10, 20, 50, 100 }; - u32 v; + u32 v, mbox_data; int i, ms, delay_idx; const __be64 *p; - u32 mbox_data = T4VF_MBDATA_BASE_ADDR; u32 mbox_ctl = T4VF_CIM_BASE_ADDR + CIM_VF_EXT_MAILBOX_CTRL; + /* In T6, mailbox size is changed to 128 bytes to avoid + * invalidating the entire prefetch buffer. + */ + if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5) + mbox_data = T4VF_MBDATA_BASE_ADDR; + else + mbox_data = T6VF_MBDATA_BASE_ADDR; + /* * Commands must be multiples of 16 bytes in length and may not be * larger than the size of the Mailbox Data register array. |