This patch changes the return value for ixgbe_setup_internal_phy_t_x550em
when link is down to IXGBE_SUCCESS.
The driver will call ixgbe_setup_internal_phy_t_x550em when a link status
change is reported. The links status change can occur on link up or link
down, and if the link status change is for link down then there is no iXFI
setup necessary and no error condition needs to be returned.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
The following patch moves the handling of the I2C MUX (which is only
used for x550em SFP+ devices) out of the ixgbe_x540.c file and
into the ixgbe_x550.c file where it belongs.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
The init flow is simplified. We no longer wait for the PHY FW init
complete bit to be set as this bit is only set once by the PHY at power
on and then cleared on the first read. So only the first instance of
running SW (or possibly MAC FW) needs to initialize the PHY.
The PHY initialization has been simplified and now only requires that
the PHY FW be "un-stalled". SW no longer needs to put the PHY in
low-power mode or enable the transceiver.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
For the KR backplane which is different from other backplane,
in that we can't use auto-negotiation to determine the
mode. Instead, use whatever the user configured.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
This patch adds SW Low Power Link Up (LPLU) support for x550em PHY.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
This patch adds SFP+ dual-speed support.
82599 fiber link code was moved from ixgbe_82599.c to ixgbe_commom.c
for use by X550em, and the API was updated to support the common code
usage. SFP MAC link code is added to x550em.
Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
The FEC (Forward Error Correction) feature can improve BER (Bit Error Rate)
but uses more power to do so. It also cannot be used with
EEE (Energy Efficient Ethernet).
EEE is an important feature, and we have no known BER issues, so FEC
is not needed.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
The I2C mux control relies on the SDP setting in the ESDP register
so it is necessary to restore the value after a MAC reset. So,
put the code in a function so it can be used in more than one place.
Fixes: d2e72774e5 ("ixgbe/base: support X550")
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
On some hardware platforms, the CS4227 does not initialize properly.
Detect those cases and reset it appropriately.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
The driver now needs to issue a firmware command to inform the
firmware that a driver is coming up. This prevents the possibility
of the firmware and the driver configuring the PHY at the same
time. Upon completion of the command, the firmware will no longer
be configuring the PHY.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
A retry count of 10 is likely to run into problems on X550 devices
that have to detect and reset unresponsive CS4227 devices. So,
reduce the I2C retry count to 3 for X550 and above. This should
avoid any possible regressions in existing devices.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Most I2C accesses take and release semaphores for each access. It's
also necessary to perform multiple I2C operations under the same
holding of the semaphore, so provide unlocked I2C methods for that
purpose.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
All bits in FDIRTCPM and FDIRUDPM are set to 1 when
ixgbe_fdir_set_input_mask_82599 is called. Not settings these bits will cause
TCP and UDP packets to be filtered out when NVGRE or VXLAN mode is enabled.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
This patch moves the check of the return value from
ixgbe_start_hw_generic after the function is called.
Previously we had the code to disable relaxed ordering in
between, which seems a bit out of place.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Remove the redundant "from".
There's a typo in the code comment for FC end
of Frame Exception (FCEOFe/IPE), so fixed the typo.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Upcoming drivers will need to be able to support other bus types.
This is a transparent change to how struct eth_driver is initialized.
It has not function or ABI layout impact, but makes adding a later
bus type (Xen, Hyper-V, ...) much easier.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
move ixgbe PMD to drivers/net directory.
As part of the move, we rename the ixgbe directory, containing the
ixgbe "base driver" code, from "ixgbe" to "base".
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
