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c797ce1689
linux/net/ncsi
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Peter Delevoryas c797ce1689 net/ncsi: Simplify Kconfig/dts control flow 
Background:

1. CONFIG_NCSI_OEM_CMD_KEEP_PHY

If this is enabled, we send an extra OEM Intel command in the probe
sequence immediately after discovering a channel (e.g. after "Clear
Initial State").

2. CONFIG_NCSI_OEM_CMD_GET_MAC

If this is enabled, we send one of 3 OEM "Get MAC Address" commands from
Broadcom, Mellanox (Nvidida), and Intel in the *configuration* sequence
for a channel.

3. mellanox,multi-host (or mlx,multi-host)

Introduced by this patch:

https://lore.kernel.org/all/20200108234341.2590674-1-vijaykhemka@fb.com/

Which was actually originally from cosmo.chou@quantatw.com:

9f132a10ec

Cosmo claimed that the Nvidia ConnectX-4 and ConnectX-6 NIC's don't
respond to Get Version ID, et. al in the probe sequence unless you send
the Set MC Affinity command first.

Problem Statement:

We've been using a combination of #ifdef code blocks and IS_ENABLED()
conditions to conditionally send these OEM commands.

It makes adding any new code around these commands hard to understand.

Solution:

In this patch, I just want to remove the conditionally compiled blocks
of code, and always use IS_ENABLED(...) to do dynamic control flow.

I don't think the small amount of code this adds to non-users of the OEM
Kconfigs is a big deal.

Signed-off-by: Peter Delevoryas <peter@pjd.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-11-18 15:00:51 +00:00
..
internal.h net/ncsi: add get MAC address command to get Intel i210 MAC address 2021-09-01 17:18:56 -07:00
Kconfig net/ncsi: add NCSI Intel OEM command to keep PHY up 2021-07-08 14:16:39 -07:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ncsi-aen.c Revert ncsi: Propagate carrier gain/loss events to the NCSI controller 2023-11-15 09:59:44 +00:00
ncsi-cmd.c net/ncsi: Silence runtime memcpy() false positive warning 2022-12-06 17:29:14 -08:00
ncsi-manage.c net/ncsi: Simplify Kconfig/dts control flow 2023-11-18 15:00:51 +00:00
ncsi-netlink.c genetlink: make genl_info->nlhdr const 2023-08-15 14:54:44 -07:00
ncsi-netlink.h genetlink: make genl_info->nlhdr const 2023-08-15 14:54:44 -07:00
ncsi-pkt.h net/ncsi: add get MAC address command to get Intel i210 MAC address 2021-09-01 17:18:56 -07:00
ncsi-rsp.c net/ncsi: change from ndo_set_mac_address to dev_set_mac_address 2023-06-09 10:32:51 +01:00