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bnx2x: Fix potential incorrect link speed provision

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Fix possible incorrect link speed provision following rapid link speed change.
Clear link speed mask after each link change, and not only after link down.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2012-10-31 05:46:55 +00:00 committed by David S. Miller
parent cd1a26a3bb
commit 4978140c38
1 changed files with 12 additions and 10 deletions
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22
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
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@ -137,7 +137,16 @@
#define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
#define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
#define LINK_UPDATE_MASK \
(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
LINK_STATUS_LINK_UP | \
LINK_STATUS_PHYSICAL_LINK_FLAG | \
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
#define SFP_EEPROM_CON_TYPE_ADDR 0x2
#define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
@ -6349,15 +6358,7 @@ static int bnx2x_update_link_down(struct link_params *params,
vars->mac_type = MAC_TYPE_NONE;
/* Update shared memory */
vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
LINK_STATUS_LINK_UP |
LINK_STATUS_PHYSICAL_LINK_FLAG |
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
vars->link_status &= ~LINK_UPDATE_MASK;
vars->line_speed = 0;
bnx2x_update_mng(params, vars->link_status);
@ -6505,6 +6506,7 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
u8 active_external_phy = INT_PHY;
vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
vars->link_status &= ~LINK_UPDATE_MASK;
for (phy_index = INT_PHY; phy_index < params->num_phys;
phy_index++) {
phy_vars[phy_index].flow_ctrl = 0;