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Fixup SFP module insertion on the 82599 when insertion happens after

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the system is booted and running.

Add PHY detection logic to ixgbe_handle_mod() and add locking to
ixgbe_handle_msf() as well.

PR:		150251
Submitted by:	aboyer@averesystems.com
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D3188
This commit is contained in:
Sean Bruno 2016-01-07 17:02:34 +00:00
parent 676822acb5
commit 97f9586e97
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=293334
1 changed files with 49 additions and 9 deletions
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58
sys/dev/ixgbe/if_ix.c
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@ -2947,12 +2947,7 @@ ixgbe_config_link(struct adapter *adapter)
sfp = ixgbe_is_sfp(hw);
if (sfp) {
if (hw->phy.multispeed_fiber) {
hw->mac.ops.setup_sfp(hw);
ixgbe_enable_tx_laser(hw);
taskqueue_enqueue(adapter->tq, &adapter->msf_task);
} else
taskqueue_enqueue(adapter->tq, &adapter->mod_task);
taskqueue_enqueue(adapter->tq, &adapter->mod_task);
} else {
if (hw->mac.ops.check_link)
err = ixgbe_check_link(hw, &adapter->link_speed,
@ -3758,23 +3753,66 @@ ixgbe_handle_mod(void *context, int pending)
{
struct adapter *adapter = context;
struct ixgbe_hw *hw = &adapter->hw;
enum ixgbe_phy_type orig_type = hw->phy.type;
device_t dev = adapter->dev;
u32 err;
IXGBE_CORE_LOCK(adapter);
/* Check to see if the PHY type changed */
if (hw->phy.ops.identify) {
hw->phy.type = ixgbe_phy_unknown;
hw->phy.ops.identify(hw);
}
if (hw->phy.type != orig_type) {
device_printf(dev, "Detected phy_type %d\n", hw->phy.type);
if (hw->phy.type == ixgbe_phy_none) {
hw->phy.sfp_type = ixgbe_sfp_type_unknown;
goto out;
}
/* Try to do the initialization that was skipped before */
if (hw->phy.ops.init)
hw->phy.ops.init(hw);
if (hw->phy.ops.reset)
hw->phy.ops.reset(hw);
}
err = hw->phy.ops.identify_sfp(hw);
if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
device_printf(dev,
"Unsupported SFP+ module type was detected.\n");
return;
goto out;
}
err = hw->mac.ops.setup_sfp(hw);
if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
device_printf(dev,
"Setup failure - unsupported SFP+ module type.\n");
return;
goto out;
}
taskqueue_enqueue(adapter->tq, &adapter->msf_task);
if (hw->phy.multispeed_fiber)
taskqueue_enqueue(adapter->tq, &adapter->msf_task);
out:
/* Update media type */
switch (hw->mac.ops.get_media_type(hw)) {
case ixgbe_media_type_fiber:
adapter->optics = IFM_10G_SR;
break;
case ixgbe_media_type_copper:
adapter->optics = IFM_10G_TWINAX;
break;
case ixgbe_media_type_cx4:
adapter->optics = IFM_10G_CX4;
break;
default:
adapter->optics = 0;
break;
}
IXGBE_CORE_UNLOCK(adapter);
return;
}
@ -3790,6 +3828,7 @@ ixgbe_handle_msf(void *context, int pending)
u32 autoneg;
bool negotiate;
IXGBE_CORE_LOCK(adapter);
/* get_supported_phy_layer will call hw->phy.ops.identify_sfp() */
adapter->phy_layer = ixgbe_get_supported_physical_layer(hw);
@ -3802,6 +3841,7 @@ ixgbe_handle_msf(void *context, int pending)
/* Adjust media types shown in ifconfig */
ifmedia_removeall(&adapter->media);
ixgbe_add_media_types(adapter);
IXGBE_CORE_UNLOCK(adapter);
return;
}