Hi Leif,
Please see my comments below.
Thank you,
Igor
-----Original Message-----
From: Leif Lindholm <quic_llind...@quicinc.com>
Sent: Tuesday, November 14, 2023 12:26 PM
To: devel@edk2.groups.io; Igor Kulchytskyy <ig...@ami.com>
Cc: Abner Chang <abner.ch...@amd.com>; Nickle Wang <nick...@nvidia.com>
Subject: [EXTERNAL] Re: [edk2-devel] [PATCH v5 2/2] RedfishPkg:
RedfishDiscoverDxe: Optimize the Redfish Discover flow
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On 2023-11-14 14:28, Igor Kulchytskyy via groups.io wrote:
> Filter out the network interfaces which are not supported by
> Redfish Host Interface.
>
> Cc: Abner Chang <abner.ch...@amd.com>
> Cc: Nickle Wang <nick...@nvidia.com>
> Signed-off-by: Igor Kulchytskyy <ig...@ami.com>
> ---
> RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c | 163
> ++++++++++++++------
> RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h | 6 +
> 2 files changed, 120 insertions(+), 49 deletions(-)
>
> diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
> b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
> index 0f622e05a9..ae83cd3c97 100644
> --- a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
> +++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
> @@ -1601,10 +1681,22 @@ BuildupNetworkInterface (
> EFI_REDFISH_DISCOVER_REST_EX_INSTANCE_INTERNAL *RestExInstance;
> EFI_TPL OldTpl;
> BOOLEAN
> NewNetworkInterfaceInstalled;
> + UINT8 IpType;
> + UINTN ListCount;
>
> + ListCount = (sizeof (gRequiredProtocol) / sizeof
> (REDFISH_DISCOVER_REQUIRED_PROTOCOL));
> NewNetworkInterfaceInstalled = FALSE;
> Index = 0;
> - do {
> +
> + // Get IP Type to filter out unnecessary network protocol if possible
> + IpType = GetHiIpProtocolType ();
> +
> + for (Index = 0; Index < ListCount; Index++) {
> + // Check IP Type and skip an unnecessary network protocol if does not
> match
> + if (IS_TCP4_MATCH (IpType) || IS_TCP6_MATCH (IpType)) {
The logic of these macros is inverted compared to their names, though.
You want this test to read
if (!IS_TCP4_MATCH (IpType) && !IS_TCP6_MATCH (IpType)) {
> + continue;
> + }
> +
> Status = gBS->OpenProtocol (
> // Already in list?
> ControllerHandle,
> diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> index 01454acc1d..3093eea0d5 100644
> --- a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> +++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> @@ -39,6 +39,12 @@
> #define REDFISH_DISCOVER_VERSION 0x00010000
> #define EFI_REDFISH_DISCOVER_NETWORK_INTERFACE_TPL TPL_NOTIFY
>
> +#define MAC_COMPARE(ThisNetworkInterface, TargetNetworkInterface)
> (CompareMem ((VOID *)&ThisNetworkInterface->MacAddress,
> &TargetNetworkInterface->MacAddress, ThisNetworkInterface->HwAddressSize))
> +#define VALID_TCP6(TargetNetworkInterface, ThisNetworkInterface)
> (TargetNetworkInterface->IsIpv6 && (ThisNetworkInterface->NetworkProtocolType
> == ProtocolTypeTcp6))
> +#define VALID_TCP4(TargetNetworkInterface, ThisNetworkInterface)
> (!TargetNetworkInterface->IsIpv6 &&
> (ThisNetworkInterface->NetworkProtocolType == ProtocolTypeTcp4))
> +#define IS_TCP4_MATCH(IpType)
> ((gRequiredProtocol[Index].ProtocolType == ProtocolTypeTcp4) && (IpType !=
> REDFISH_HOST_INTERFACE_HOST_IP_ADDRESS_FORMAT_IP4))
> +#define IS_TCP6_MATCH(IpType)
> ((gRequiredProtocol[Index].ProtocolType == ProtocolTypeTcp6) && (IpType !=
> REDFISH_HOST_INTERFACE_HOST_IP_ADDRESS_FORMAT_IP6))
And these macros to test for ==, not !=
Igor: First version tested "==", but we agreed that it may not work if we have
a wrong value of IpType.
Otherwise the code reads like it does the opposite of what it does.
(You could also keep the logic and call the macros IS_TCP#_MISMATCH, but
that feels a bit convoluted.)
Igor: I would prefer to go with IS_TCP#_MISMATCH names.
Regards,
Leif
> +
> //
> // GUID definitions
> //
> --
> 2.37.1.windows.1
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