[PATCH net-next 6/24] bnx2x: disable fairness if ETS is enabled
From: Vlad Zolotarov <hidden>
Date: 2011-06-14 11:33:57
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Dmitry Kravkov <redacted> Signed-off-by: Dmitry Kravkov <redacted> Signed-off-by: Vladislav Zolotarov <redacted> Signed-off-by: Eilon Greenstein <redacted> --- 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 bed369d..5bedd85 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 e5eb2a2..e6439a3 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c@@ -1931,8 +1931,12 @@ 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"
--
1.7.2.2