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bnxt_en: Don't allow autoneg on cards that don't support it.

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Some cards do not support autoneg.  The current code does not prevent the
user from enabling autoneg with ethtool on such cards, causing confusion.
Firmware provides the autoneg capability information and we just need to
store it in the support_auto_speeds field in bnxt_link_info struct.
The ethtool set_settings() call will check this field before proceeding
with autoneg.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan
2016-06-13 02:25:37 -04:00
committed by David S. Miller
parent b24eb6ae70
commit 93ed811733
3 changed files with 30 additions and 9 deletions
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drivers/net/ethernet/broadcom/bnxt/bnxt.h
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@@ -849,6 +849,7 @@ struct bnxt_link_info {
#define BNXT_LINK_SPEED_MSK_25GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_25GB
#define BNXT_LINK_SPEED_MSK_40GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_40GB
#define BNXT_LINK_SPEED_MSK_50GB PORT_PHY_QCFG_RESP_SUPPORT_SPEEDS_50GB
u16 support_auto_speeds;
u16 lp_auto_link_speeds;
u16 force_link_speed;
u32 preemphasis;