diff options
| author | Dmitry Kravkov <dmitry@broadcom.com> | 2011-03-06 10:50:44 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-06 18:06:03 -0800 |
| commit | e3835b99333eb3ac7222f6fc0af5cae46074ac49 (patch) | |
| tree | b68e45eda6bbf47f52cdd4fd2f58ec0dc1602ef9 /drivers/net/bnx2x/bnx2x_ethtool.c | |
| parent | 9fdc3e9566b3ae691aefc3aa7b8dca6cac32c95e (diff) | |
| download | lwn-e3835b99333eb3ac7222f6fc0af5cae46074ac49.tar.gz lwn-e3835b99333eb3ac7222f6fc0af5cae46074ac49.zip | |
bnx2x: (NPAR) prevent HW access in D3 state
Changing speed setting in NPAR requires HW access, this patch
delays the access to D0 state when performed in D3.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_ethtool.c')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_ethtool.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c index ef2919987a10..7e92f9d0dcfd 100644 --- a/drivers/net/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/bnx2x/bnx2x_ethtool.c @@ -238,7 +238,7 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) speed |= (cmd->speed_hi << 16); if (IS_MF_SI(bp)) { - u32 param = 0, part; + u32 part; u32 line_speed = bp->link_vars.line_speed; /* use 10G if no link detected */ @@ -251,24 +251,22 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) REQ_BC_VER_4_SET_MF_BW); return -EINVAL; } + part = (speed * 100) / line_speed; + if (line_speed < speed || !part) { BNX2X_DEV_INFO("Speed setting should be in a range " "from 1%% to 100%% " "of actual line speed\n"); return -EINVAL; } - /* load old values */ - param = bp->mf_config[BP_VN(bp)]; - /* leave only MIN value */ - param &= FUNC_MF_CFG_MIN_BW_MASK; - - /* set new MAX value */ - param |= (part << FUNC_MF_CFG_MAX_BW_SHIFT) - & FUNC_MF_CFG_MAX_BW_MASK; + if (bp->state != BNX2X_STATE_OPEN) + /* store value for following "load" */ + bp->pending_max = part; + else + bnx2x_update_max_mf_config(bp, part); - bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW, param); return 0; } |