From 30ae438b120bc63caa2328733c7c7119d5d29842 Mon Sep 17 00:00:00 2001 From: Dmitry Kravkov Date: Tue, 14 Jun 2011 01:33:13 +0000 Subject: [PATCH] bnx2x: disable fairness if ETS is enabled Signed-off-by: Dmitry Kravkov Signed-off-by: Vladislav Zolotarov Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/bnx2x/bnx2x_dcb.h | 2 ++ drivers/net/bnx2x/bnx2x_main.c | 8 ++++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnx2x/bnx2x_dcb.h b/drivers/net/bnx2x/bnx2x_dcb.h index bed369d67e0..5bedd85e94d 100644 --- a/drivers/net/bnx2x/bnx2x_dcb.h +++ b/drivers/net/bnx2x/bnx2x_dcb.h @@ -60,6 +60,8 @@ struct bnx2x_dcbx_port_params { #define BNX2X_DCBX_OVERWRITE_SETTINGS_DISABLE 0 #define BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE 1 #define BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID (BNX2X_DCBX_CONFIG_INV_VALUE) +#define BNX2X_IS_ETS_ENABLED(bp) ((bp)->dcb_state == BNX2X_DCB_STATE_ON &&\ + (bp)->dcbx_port_params.ets.enabled) struct bnx2x_config_lldp_params { u32 overwrite_settings; diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index 637ff5ac244..bc516bbcd9f 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -1892,8 +1892,12 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp) bp->vn_weight_sum += vn_min_rate; } - /* ... only if all min rates are zeros - disable fairness */ - if (all_zero) { + /* if ETS or all min rates are zeros - disable fairness */ + if (BNX2X_IS_ETS_ENABLED(bp)) { + bp->cmng.flags.cmng_enables &= + ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN; + DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n"); + } else if (all_zero) { bp->cmng.flags.cmng_enables &= ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN; DP(NETIF_MSG_IFUP, "All MIN values are zeroes" -- 2.39.2