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drivers/wifi: Support Wi-Fi PHY Filter Configuration

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This feature provides ability to provide Wi-Fi PHY filter
Configuration. A well-defined dedicated filter on particular platform
can be used to perform the maximum Wi-Fi performance.

The implementation follows document 559910 Intel Connectivity
Platforms BIOS Guideline revision 9.2 specification.

BUG=b:346600091
TEST=WPFC method is added to the wifi device and return the data
     supplied by the SAR binary blob

Change-Id: Iebe95815c944d045f4cf686abcd1874a8a45e270
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84948
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Jeremy Compostella 2024-10-31 13:08:44 -07:00 • committed by Jérémy Compostella
commit 1e8c6819b1
3 changed files with 61 additions and 1 deletions
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9
src/vendorcode/google/chromeos/sar.c
View file

@ -170,6 +170,14 @@ static size_t ebrd_table_size(const struct ebrd_profile *ebrd)
return sizeof(struct ebrd_profile);
}
static size_t wpfc_table_size(const struct wpfc_profile *wpfc)
{
if (wpfc == NULL)
return 0;
return sizeof(struct wpfc_profile);
}
static bool valid_legacy_length(size_t bin_len)
{
if (bin_len == LEGACY_SAR_WGDS_BIN_SIZE)
@ -230,6 +238,7 @@ static int fill_wifi_sar_limits(union wifi_sar_limits *sar_limits, const uint8_t
expected_sar_bin_size += bucs_table_size(sar_limits->bucs);
expected_sar_bin_size += bdmm_table_size(sar_limits->bdmm);
expected_sar_bin_size += ebrd_table_size(sar_limits->ebrd);
expected_sar_bin_size += wpfc_table_size(sar_limits->wpfc);
if (sar_bin_size != expected_sar_bin_size) {
printk(BIOS_ERR, "Invalid SAR size, expected: %zu, obtained: %zu\n",