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bnx2x: Support Queue Per Cos in 5771xx devices 

Enable the use of up to three hardware queues for transmission. The queues
are always dequed round robin (i.e. strict priority, PFC and ETS are not
supported). This does allow the allocation of a seperate HW queue for low
volume, high priority traffic which will be serviced more promptly.

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ariel Elior 2012-01-26 06:01:45 +00:00 committed by David S. Miller
parent d6cb17d5f8
commit 8d7b02783b
2 changed files with 6 additions and 5 deletions
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7
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
View File

@ -984,10 +984,11 @@ static inline int bnx2x_func_start(struct bnx2x *bp)
/* Function parameters */
start_params->mf_mode = bp->mf_mode;
start_params->sd_vlan_tag = bp->mf_ov;
if (CHIP_IS_E1x(bp))
start_params->network_cos_mode = OVERRIDE_COS;
else
if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp))
start_params->network_cos_mode = STATIC_COS;
else /* CHIP_IS_E1X */
start_params->network_cos_mode = FW_WRR;
return bnx2x_func_state_change(bp, &func_params);
}

4
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
View File

@ -803,10 +803,10 @@ enum bnx2x_q_type {
};
#define BNX2X_PRIMARY_CID_INDEX 0
#define BNX2X_MULTI_TX_COS_E1X 1
#define BNX2X_MULTI_TX_COS_E1X 3 /* QM only */
#define BNX2X_MULTI_TX_COS_E2_E3A0 2
#define BNX2X_MULTI_TX_COS_E3B0 3
#define BNX2X_MULTI_TX_COS BNX2X_MULTI_TX_COS_E3B0
#define BNX2X_MULTI_TX_COS 3 /* Maximum possible */
struct bnx2x_queue_init_params {