From d796d38274d1f70d111a994f4daeda0b012738b0 Mon Sep 17 00:00:00 2001 From: Qi Zhang Date: Mon, 25 Mar 2019 13:44:34 +0800 Subject: [PATCH] net/ice/base: ensure only valid bits are set In the ice_aq_set_phy_cfg AQ command, the 16.4 bit is reserved. This patch will make sure that this bit will never be set to 1. Signed-off-by: Chinh T Cao Signed-off-by: Paul M Stillwell Jr Signed-off-by: Qi Zhang Reviewed-by: Qiming Yang Reviewed-by: Wenzhuo Lu --- drivers/net/ice/base/ice_adminq_cmd.h | 1 + drivers/net/ice/base/ice_common.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/net/ice/base/ice_adminq_cmd.h b/drivers/net/ice/base/ice_adminq_cmd.h index ca3d40c8b7..70cd0604b7 100644 --- a/drivers/net/ice/base/ice_adminq_cmd.h +++ b/drivers/net/ice/base/ice_adminq_cmd.h @@ -1327,6 +1327,7 @@ struct ice_aqc_set_phy_cfg_data { __le64 phy_type_low; /* Use values from ICE_PHY_TYPE_LOW_* */ __le64 phy_type_high; /* Use values from ICE_PHY_TYPE_HIGH_* */ u8 caps; +#define ICE_AQ_PHY_ENA_VALID_MASK MAKEMASK(0xef, 0) #define ICE_AQ_PHY_ENA_TX_PAUSE_ABILITY BIT(0) #define ICE_AQ_PHY_ENA_RX_PAUSE_ABILITY BIT(1) #define ICE_AQ_PHY_ENA_LOW_POWER BIT(2) diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c index f5cbd47c3b..1c381b5e25 100644 --- a/drivers/net/ice/base/ice_common.c +++ b/drivers/net/ice/base/ice_common.c @@ -2351,6 +2351,15 @@ ice_aq_set_phy_cfg(struct ice_hw *hw, u8 lport, if (!cfg) return ICE_ERR_PARAM; + /* Ensure that only valid bits of cfg->caps can be turned on. */ + if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) { + ice_debug(hw, ICE_DBG_PHY, + "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n", + cfg->caps); + + cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK; + } + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg); desc.params.set_phy.lport_num = lport; desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); -- 2.20.1