net: mana: Add support for page sizes other than 4KB on ARM64

As defined by the MANA Hardware spec, the queue size for DMA is 4KB
minimal, and power of 2. And, the HWC queue size has to be exactly
4

net: mana: Add support for page sizes other than 4KB on ARM64

As defined by the MANA Hardware spec, the queue size for DMA is 4KB
minimal, and power of 2. And, the HWC queue size has to be exactly
4KB.

To support page sizes other than 4KB on ARM64, define the minimal
queue size as a macro separately from the PAGE_SIZE, which we always
assumed it to be 4KB before supporting ARM64.

Also, add MANA specific macros and update code related to size
alignment, DMA region calculations, etc.

Signed-off-by: Haiyang Zhang <[email protected]>
Reviewed-by: Michael Kelley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

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net: mana: Enable MANA driver on ARM64 with 4K page size

Change the Kconfig dependency, so this driver can be built and run on ARM64
with 4K page size.
16/64K page sizes are not supported yet.

Sign

net: mana: Enable MANA driver on ARM64 with 4K page size

Change the Kconfig dependency, so this driver can be built and run on ARM64
with 4K page size.
16/64K page sizes are not supported yet.

Signed-off-by: Haiyang Zhang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

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net: mana: select PAGE_POOL

Mana uses PAGE_POOL API. x86_64 defconfig doesn't select it:

ld: vmlinux.o: in function `mana_create_page_pool.isra.0':
mana_en.c:(.text+0x9ae36f): undefined reference t

net: mana: select PAGE_POOL

Mana uses PAGE_POOL API. x86_64 defconfig doesn't select it:

ld: vmlinux.o: in function `mana_create_page_pool.isra.0':
mana_en.c:(.text+0x9ae36f): undefined reference to `page_pool_create'
ld: vmlinux.o: in function `mana_get_rxfrag':
mana_en.c:(.text+0x9afed1): undefined reference to `page_pool_alloc_pages'
make[3]: *** [/home/yury/work/linux/scripts/Makefile.vmlinux:37: vmlinux] Error 1
make[2]: *** [/home/yury/work/linux/Makefile:1154: vmlinux] Error 2
make[1]: *** [/home/yury/work/linux/Makefile:234: __sub-make] Error 2
make[1]: Leaving directory '/home/yury/work/build-linux-x86_64'
make: *** [Makefile:234: __sub-make] Error 2

So we need to select it explicitly.

Signed-off-by: Yury Norov <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Tested-by: Simon Horman <[email protected]> # build-tested
Fixes: ca9c54d2 ("net: mana: Add a driver for Microsoft Azure Network Adapter")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>

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net: mana: Add support for auxiliary device

In preparation for supporting MANA RDMA driver, add support for auxiliary
device in the Ethernet driver. The RDMA device is modeled as an auxiliary
device

net: mana: Add support for auxiliary device

In preparation for supporting MANA RDMA driver, add support for auxiliary
device in the Ethernet driver. The RDMA device is modeled as an auxiliary
device to the Ethernet device.

Reviewed-by: Dexuan Cui <[email protected]>
Signed-off-by: Long Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Acked-by: Haiyang Zhang <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>

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net: mana: fix PCI_HYPERV dependency

The MANA driver causes a build failure in some configurations when
it selects an unavailable symbol:

WARNING: unmet direct dependencies detected for PCI_HYPERV

net: mana: fix PCI_HYPERV dependency

The MANA driver causes a build failure in some configurations when
it selects an unavailable symbol:

WARNING: unmet direct dependencies detected for PCI_HYPERV
Depends on [n]: PCI [=y] && X86_64 [=y] && HYPERV [=n] && PCI_MSI [=y] && PCI_MSI_IRQ_DOMAIN [=y] && SYSFS [=y]
Selected by [y]:
- MICROSOFT_MANA [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MICROSOFT [=y] && PCI_MSI [=y] && X86_64 [=y]
drivers/pci/controller/pci-hyperv.c: In function 'hv_irq_unmask':
drivers/pci/controller/pci-hyperv.c:1217:9: error: implicit declaration of function 'hv_set_msi_entry_from_desc' [-Werror=implicit-function-declaration]
1217 | hv_set_msi_entry_from_desc(&params->int_entry.msi_entry, msi_desc);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~

A PCI driver should never depend on a particular host bridge
implementation in the first place, but if we have this dependency
it's better to express it as a 'depends on' rather than 'select'.

Signed-off-by: Arnd Bergmann <[email protected]>
Reviewed-by: Dexuan Cui <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)

Add a VF driver for Microsoft Azure Network Adapter (MANA) that will be
available in the future.

Co-developed-by: Haiyang Zhang <h

net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)

Add a VF driver for Microsoft Azure Network Adapter (MANA) that will be
available in the future.

Co-developed-by: Haiyang Zhang <[email protected]>
Signed-off-by: Haiyang Zhang <[email protected]>
Co-developed-by: Shachar Raindel <[email protected]>
Signed-off-by: Shachar Raindel <[email protected]>
Signed-off-by: Dexuan Cui <[email protected]>
Reviewed-by: Stephen Hemminger <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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