Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e9faeab8 authored by Hariprasad Shenai's avatar Hariprasad Shenai Committed by David S. Miller
Browse files

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: default avatarHariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 676d6a75

drivers/net/ethernet/chelsio/cxgb4/t4_hw.c

+8 −1
Original line number Diff line number Diff line
@@ -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;

}