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cxgb4: Update Congestion Channel map for T6 adapter 

Updating Congestion Channel/Priority Map in Congestion Manager Context
for T6. In T6 port 0 is mapped to channel 0 and port 1 is mapped to
channel 1. For 2 port T4/T5 adapter, port 0 is mapped to channel 0,1 and
port 1 is mapped to channel 2,3

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2015-12-23 22:47:15 +05:30 committed by David S. Miller
parent 676d6a7530
commit e9faeab8d4
1 changed files with 8 additions and 1 deletions
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9
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
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@ -5316,7 +5316,14 @@ unsigned int t4_get_mps_bg_map(struct adapter *adap, int idx)
if (n == 0)
return idx == 0 ? 0xf : 0;
if (n == 1)
/* In T6 (which is a 2 port card),
* port 0 is mapped to channel 0 and port 1 is mapped to channel 1.
* For 2 port T4/T5 adapter,
* port 0 is mapped to channel 0 and 1,
* port 1 is mapped to channel 2 and 3.
*/
if ((n == 1) &&
(CHELSIO_CHIP_VERSION(adap->params.chip) <= CHELSIO_T5))
return idx < 2 ? (3 << (2 * idx)) : 0;
return 1 << idx;
}