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Third set of iwlwifi patches for 4.20 

* Fix for a race condition that caused the FW to crash;
 * HE radiotap cleanup and improvements;
 * Reorder channel optimization for scans;
 * Bumped the FW API version supported after the last API change for
   this release;
 * Debugging improvements;
 * A few bug fixes;
 * Some cleanups in preparation for a new implementation;
 * Other small improvements, cleanups and fixes.
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Merge tag 'iwlwifi-next-for-kalle-2018-10-06' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

Third set of iwlwifi patches for 4.20

* Fix for a race condition that caused the FW to crash;
* HE radiotap cleanup and improvements;
* Reorder channel optimization for scans;
* Bumped the FW API version supported after the last API change for
  this release;
* Debugging improvements;
* A few bug fixes;
* Some cleanups in preparation for a new implementation;
* Other small improvements, cleanups and fixes.
This commit is contained in:
Kalle Valo 2018-10-06 12:50:14 +03:00
parent e1c02eb16a ea7cb82938
commit 2a45501226
31 changed files with 769 additions and 634 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/intel/iwlwifi/cfg/22000.c
View File

@ -56,7 +56,7 @@
#include "iwl-config.h"
/* Highest firmware API version supported */
#define IWL_22000_UCODE_API_MAX 38
#define IWL_22000_UCODE_API_MAX 41
/* Lowest firmware API version supported */
#define IWL_22000_UCODE_API_MIN 39

2
drivers/net/wireless/intel/iwlwifi/cfg/9000.c
View File

@ -57,7 +57,7 @@
#include "fw/file.h"
/* Highest firmware API version supported */
#define IWL9000_UCODE_API_MAX 38
#define IWL9000_UCODE_API_MAX 41
/* Lowest firmware API version supported */
#define IWL9000_UCODE_API_MIN 30

91
drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h
View File

@ -165,7 +165,7 @@ struct iwl_nvm_access_resp {
*/
struct iwl_nvm_get_info {
__le32 reserved;
} __packed; /* GRP_REGULATORY_NVM_GET_INFO_CMD_S_VER_1 */
} __packed; /* REGULATORY_NVM_GET_INFO_CMD_API_S_VER_1 */
/**
* enum iwl_nvm_info_general_flags - flags in NVM_GET_INFO resp
@ -180,14 +180,14 @@ enum iwl_nvm_info_general_flags {
* @flags: bit 0: 1 - empty, 0 - non-empty
* @nvm_version: nvm version
* @board_type: board type
* @reserved: reserved
* @n_hw_addrs: number of reserved MAC addresses
*/
struct iwl_nvm_get_info_general {
__le32 flags;
__le16 nvm_version;
u8 board_type;
u8 reserved;
} __packed; /* GRP_REGULATORY_NVM_GET_INFO_GENERAL_S_VER_1 */
u8 n_hw_addrs;
} __packed; /* REGULATORY_NVM_GET_INFO_GENERAL_S_VER_2 */
/**
* enum iwl_nvm_mac_sku_flags - flags in &iwl_nvm_get_info_sku
@ -231,7 +231,7 @@ struct iwl_nvm_get_info_sku {
struct iwl_nvm_get_info_phy {
__le32 tx_chains;
__le32 rx_chains;
} __packed; /* GRP_REGULATORY_NVM_GET_INFO_PHY_SKU_SECTION_S_VER_1 */
} __packed; /* REGULATORY_NVM_GET_INFO_PHY_SKU_SECTION_S_VER_1 */
#define IWL_NUM_CHANNELS (51)
@ -245,7 +245,7 @@ struct iwl_nvm_get_info_regulatory {
__le32 lar_enabled;
__le16 channel_profile[IWL_NUM_CHANNELS];
__le16 reserved;
} __packed; /* GRP_REGULATORY_NVM_GET_INFO_REGULATORY_S_VER_1 */
} __packed; /* REGULATORY_NVM_GET_INFO_REGULATORY_S_VER_1 */
/**
* struct iwl_nvm_get_info_rsp - response to get NVM data
@ -259,7 +259,7 @@ struct iwl_nvm_get_info_rsp {
struct iwl_nvm_get_info_sku mac_sku;
struct iwl_nvm_get_info_phy phy_sku;
struct iwl_nvm_get_info_regulatory regulatory;
} __packed; /* GRP_REGULATORY_NVM_GET_INFO_CMD_RSP_S_VER_2 */
} __packed; /* REGULATORY_NVM_GET_INFO_RSP_API_S_VER_3 */
/**
* struct iwl_nvm_access_complete_cmd - NVM_ACCESS commands are completed
@ -269,22 +269,6 @@ struct iwl_nvm_access_complete_cmd {
__le32 reserved;
} __packed; /* NVM_ACCESS_COMPLETE_CMD_API_S_VER_1 */
/**
* struct iwl_mcc_update_cmd_v1 - Request the device to update geographic
* regulatory profile according to the given MCC (Mobile Country Code).
* The MCC is two letter-code, ascii upper case[A-Z] or '00' for world domain.
* 'ZZ' MCC will be used to switch to NVM default profile; in this case, the
* MCC in the cmd response will be the relevant MCC in the NVM.
* @mcc: given mobile country code
* @source_id: the source from where we got the MCC, see iwl_mcc_source
* @reserved: reserved for alignment
*/
struct iwl_mcc_update_cmd_v1 {
__le16 mcc;
u8 source_id;
u8 reserved;
} __packed; /* LAR_UPDATE_MCC_CMD_API_S_VER_1 */
/**
* struct iwl_mcc_update_cmd - Request the device to update geographic
* regulatory profile according to the given MCC (Mobile Country Code).
@ -305,29 +289,6 @@ struct iwl_mcc_update_cmd {
u8 reserved2[20];
} __packed; /* LAR_UPDATE_MCC_CMD_API_S_VER_2 */
/**
* struct iwl_mcc_update_resp_v1 - response to MCC_UPDATE_CMD.
* Contains the new channel control profile map, if changed, and the new MCC
* (mobile country code).
* The new MCC may be different than what was requested in MCC_UPDATE_CMD.
* @status: see &enum iwl_mcc_update_status
* @mcc: the new applied MCC
* @cap: capabilities for all channels which matches the MCC
* @source_id: the MCC source, see iwl_mcc_source
* @n_channels: number of channels in @channels_data (may be 14, 39, 50 or 51
* channels, depending on platform)
* @channels: channel control data map, DWORD for each channel. Only the first
* 16bits are used.
*/
struct iwl_mcc_update_resp_v1 {
__le32 status;
__le16 mcc;
u8 cap;
u8 source_id;
__le32 n_channels;
__le32 channels[0];
} __packed; /* LAR_UPDATE_MCC_CMD_RESP_S_VER_1 */
/**
* enum iwl_geo_information - geographic information.
* @GEO_NO_INFO: no special info for this geo profile.
@ -340,7 +301,7 @@ enum iwl_geo_information {
};
/**
* struct iwl_mcc_update_resp - response to MCC_UPDATE_CMD.
* struct iwl_mcc_update_resp_v3 - response to MCC_UPDATE_CMD.
* Contains the new channel control profile map, if changed, and the new MCC
* (mobile country code).
* The new MCC may be different than what was requested in MCC_UPDATE_CMD.
@ -348,15 +309,14 @@ enum iwl_geo_information {
* @mcc: the new applied MCC
* @cap: capabilities for all channels which matches the MCC
* @source_id: the MCC source, see iwl_mcc_source
* @time: time elapsed from the MCC test start (in 30 seconds TU)
* @time: time elapsed from the MCC test start (in units of 30 seconds)
* @geo_info: geographic specific profile information
* see &enum iwl_geo_information.
* @n_channels: number of channels in @channels_data (may be 14, 39, 50 or 51
* channels, depending on platform)
* @n_channels: number of channels in @channels_data.
* @channels: channel control data map, DWORD for each channel. Only the first
* 16bits are used.
*/
struct iwl_mcc_update_resp {
struct iwl_mcc_update_resp_v3 {
__le32 status;
__le16 mcc;
u8 cap;
@ -367,6 +327,35 @@ struct iwl_mcc_update_resp {
__le32 channels[0];
} __packed; /* LAR_UPDATE_MCC_CMD_RESP_S_VER_3 */
/**
* struct iwl_mcc_update_resp - response to MCC_UPDATE_CMD.
* Contains the new channel control profile map, if changed, and the new MCC
* (mobile country code).
* The new MCC may be different than what was requested in MCC_UPDATE_CMD.
* @status: see &enum iwl_mcc_update_status
* @mcc: the new applied MCC
* @cap: capabilities for all channels which matches the MCC
* @time: time elapsed from the MCC test start (in units of 30 seconds)
* @geo_info: geographic specific profile information
* see &enum iwl_geo_information.
* @source_id: the MCC source, see iwl_mcc_source
* @reserved: for four bytes alignment.
* @n_channels: number of channels in @channels_data.
* @channels: channel control data map, DWORD for each channel. Only the first
* 16bits are used.
*/
struct iwl_mcc_update_resp {
__le32 status;
__le16 mcc;
__le16 cap;
__le16 time;
__le16 geo_info;
u8 source_id;
u8 reserved[3];
__le32 n_channels;
__le32 channels[0];
} __packed; /* LAR_UPDATE_MCC_CMD_RESP_S_VER_4 */
/**
* struct iwl_mcc_chub_notif - chub notifies of mcc change
* (MCC_CHUB_UPDATE_CMD = 0xc9)

8
drivers/net/wireless/intel/iwlwifi/fw/api/rx.h
View File

@ -368,10 +368,10 @@ enum iwl_rx_he_phy {
/* trigger encoded */
IWL_RX_HE_PHY_RU_ALLOC_MASK = 0xfe0000000000ULL,
IWL_RX_HE_PHY_INFO_TYPE_MASK = 0xf000000000000000ULL,
IWL_RX_HE_PHY_INFO_TYPE_SU = 0x0,
IWL_RX_HE_PHY_INFO_TYPE_MU = 0x1,
IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO = 0x2,
IWL_RX_HE_PHY_INFO_TYPE_TB_EXT_INFO = 0x3,
IWL_RX_HE_PHY_INFO_TYPE_SU = 0x0, /* TSF low valid (first DW) */
IWL_RX_HE_PHY_INFO_TYPE_MU = 0x1, /* TSF low/high valid (both DWs) */
IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO = 0x2, /* same + SIGB-common0/1/2 valid */
IWL_RX_HE_PHY_INFO_TYPE_TB = 0x3, /* TSF low/high valid (both DWs) */
/* second dword - MU data */
IWL_RX_HE_PHY_MU_SIGB_COMPRESSION = BIT_ULL(32 + 0),

5
drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
View File

@ -596,9 +596,12 @@ enum iwl_umac_scan_general_flags {
* enum iwl_umac_scan_general_flags2 - UMAC scan general flags #2
* @IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL: Whether to send a complete
* notification per channel or not.
* @IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER: Whether to allow channel
* reorder optimization or not.
*/
enum iwl_umac_scan_general_flags2 {
IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL = BIT(0),
IWL_UMAC_SCAN_GEN_FLAGS2_NOTIF_PER_CHNL = BIT(0),
IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER = BIT(1),
};
/**

419
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@ -240,7 +240,7 @@ static void iwl_fw_dump_fifos(struct iwl_fw_runtime *fwrt,
if (!iwl_trans_grab_nic_access(fwrt->trans, &flags))
return;
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_RXF)) {
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_RXF)) {
/* Pull RXF1 */
iwl_fwrt_dump_rxf(fwrt, dump_data,
cfg->lmac[0].rxfifo1_size, 0, 0);
@ -254,7 +254,7 @@ static void iwl_fw_dump_fifos(struct iwl_fw_runtime *fwrt,
LMAC2_PRPH_OFFSET, 2);
}
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_TXF)) {
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_TXF)) {
/* Pull TXF data from LMAC1 */
for (i = 0; i < fwrt->smem_cfg.num_txfifo_entries; i++) {
/* Mark the number of TXF we're pulling now */
@ -279,7 +279,7 @@ static void iwl_fw_dump_fifos(struct iwl_fw_runtime *fwrt,
}
}
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_INTERNAL_TXF) &&
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_INTERNAL_TXF) &&
fw_has_capa(&fwrt->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
/* Pull UMAC internal TXF data from all TXFs */
@ -573,103 +573,95 @@ static int iwl_fw_get_prph_len(struct iwl_fw_runtime *fwrt)
static void iwl_fw_dump_mem(struct iwl_fw_runtime *fwrt,
struct iwl_fw_error_dump_data **dump_data,
u32 sram_len, u32 sram_ofs, u32 smem_len,
u32 sram2_len)
u32 len, u32 ofs, u32 type)
{
const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem = fwrt->fw->dbg_mem_tlv;
struct iwl_fw_error_dump_mem *dump_mem;
int i;
if (!fwrt->fw->n_dbg_mem_tlv) {
(*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
(*dump_data)->len = cpu_to_le32(sram_len + sizeof(*dump_mem));
dump_mem = (void *)(*dump_data)->data;
dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
dump_mem->offset = cpu_to_le32(sram_ofs);
iwl_trans_read_mem_bytes(fwrt->trans, sram_ofs, dump_mem->data,
sram_len);
*dump_data = iwl_fw_error_next_data(*dump_data);
}
if (!len)
return;
for (i = 0; i < fwrt->fw->n_dbg_mem_tlv; i++) {
u32 len = le32_to_cpu(fw_dbg_mem[i].len);
u32 ofs = le32_to_cpu(fw_dbg_mem[i].ofs);
(*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
(*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem));
dump_mem = (void *)(*dump_data)->data;
dump_mem->type = cpu_to_le32(type);
dump_mem->offset = cpu_to_le32(ofs);
iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len);
*dump_data = iwl_fw_error_next_data(*dump_data);
(*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
(*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem));
dump_mem = (void *)(*dump_data)->data;
dump_mem->type = fw_dbg_mem[i].data_type;
dump_mem->offset = cpu_to_le32(ofs);
IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n",
dump_mem->type);
iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len);
*dump_data = iwl_fw_error_next_data(*dump_data);
}
if (smem_len) {
IWL_DEBUG_INFO(fwrt, "WRT SMEM dump\n");
(*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
(*dump_data)->len = cpu_to_le32(smem_len + sizeof(*dump_mem));
dump_mem = (void *)(*dump_data)->data;
dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SMEM);
dump_mem->offset = cpu_to_le32(fwrt->trans->cfg->smem_offset);
iwl_trans_read_mem_bytes(fwrt->trans,
fwrt->trans->cfg->smem_offset,
dump_mem->data, smem_len);
*dump_data = iwl_fw_error_next_data(*dump_data);
}
if (sram2_len) {
IWL_DEBUG_INFO(fwrt, "WRT SRAM dump\n");
(*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
(*dump_data)->len = cpu_to_le32(sram2_len + sizeof(*dump_mem));
dump_mem = (void *)(*dump_data)->data;
dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM);
dump_mem->offset = cpu_to_le32(fwrt->trans->cfg->dccm2_offset);
iwl_trans_read_mem_bytes(fwrt->trans,
fwrt->trans->cfg->dccm2_offset,
dump_mem->data, sram2_len);
*dump_data = iwl_fw_error_next_data(*dump_data);
}
IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type);
}
void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
#define ADD_LEN(len, item_len, const_len) \
do {size_t item = item_len; len += (!!item) * const_len + item; } \
while (0)
static int iwl_fw_fifo_len(struct iwl_fw_runtime *fwrt,
struct iwl_fwrt_shared_mem_cfg *mem_cfg)
{
size_t hdr_len = sizeof(struct iwl_fw_error_dump_data) +
sizeof(struct iwl_fw_error_dump_fifo);
u32 fifo_len = 0;
int i;
if (!(fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_RXF)))
goto dump_txf;
/* Count RXF2 size */
ADD_LEN(fifo_len, mem_cfg->rxfifo2_size, hdr_len);
/* Count RXF1 sizes */
for (i = 0; i < mem_cfg->num_lmacs; i++)
ADD_LEN(fifo_len, mem_cfg->lmac[i].rxfifo1_size, hdr_len);
dump_txf:
if (!(fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_TXF)))
goto dump_internal_txf;
/* Count TXF sizes */
for (i = 0; i < mem_cfg->num_lmacs; i++) {
int j;
for (j = 0; j < mem_cfg->num_txfifo_entries; j++)
ADD_LEN(fifo_len, mem_cfg->lmac[i].txfifo_size[j],
hdr_len);
}
dump_internal_txf:
if (!((fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_INTERNAL_TXF)) &&
fw_has_capa(&fwrt->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)))
goto out;
for (i = 0; i < ARRAY_SIZE(mem_cfg->internal_txfifo_size); i++)
ADD_LEN(fifo_len, mem_cfg->internal_txfifo_size[i], hdr_len);
out:
return fifo_len;
}
static struct iwl_fw_error_dump_file *
_iwl_fw_error_dump(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dump_ptrs *fw_error_dump)
{
struct iwl_fw_error_dump_file *dump_file;
struct iwl_fw_error_dump_data *dump_data;
struct iwl_fw_error_dump_info *dump_info;
struct iwl_fw_error_dump_smem_cfg *dump_smem_cfg;
struct iwl_fw_error_dump_trigger_desc *dump_trig;
struct iwl_fw_dump_ptrs *fw_error_dump;
struct scatterlist *sg_dump_data;
u32 sram_len, sram_ofs;
const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem = fwrt->fw->dbg_mem_tlv;
const struct iwl_fw_dbg_mem_seg_tlv *fw_mem = fwrt->fw->dbg.mem_tlv;
struct iwl_fwrt_shared_mem_cfg *mem_cfg = &fwrt->smem_cfg;
u32 file_len, fifo_data_len = 0, prph_len = 0, radio_len = 0;
u32 smem_len = fwrt->fw->n_dbg_mem_tlv ? 0 : fwrt->trans->cfg->smem_len;
u32 sram2_len = fwrt->fw->n_dbg_mem_tlv ?
u32 file_len, fifo_len = 0, prph_len = 0, radio_len = 0;
u32 smem_len = fwrt->fw->dbg.n_mem_tlv ? 0 : fwrt->trans->cfg->smem_len;
u32 sram2_len = fwrt->fw->dbg.n_mem_tlv ?
0 : fwrt->trans->cfg->dccm2_len;
bool monitor_dump_only = false;
int i;
IWL_DEBUG_INFO(fwrt, "WRT dump start\n");
/* there's no point in fw dump if the bus is dead */
if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) {
IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n");
goto out;
}
if (fwrt->dump.trig &&
fwrt->dump.trig->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY)
monitor_dump_only = true;
fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
if (!fw_error_dump)
goto out;
/* SRAM - include stack CCM if driver knows the values for it */
if (!fwrt->trans->cfg->dccm_offset || !fwrt->trans->cfg->dccm_len) {
const struct fw_img *img;
@ -684,112 +676,43 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
/* reading RXF/TXF sizes */
if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) {
fifo_data_len = 0;
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_RXF)) {
/* Count RXF2 size */
if (mem_cfg->rxfifo2_size) {
/* Add header info */
fifo_data_len +=
mem_cfg->rxfifo2_size +
sizeof(*dump_data) +
sizeof(struct iwl_fw_error_dump_fifo);
}
/* Count RXF1 sizes */
for (i = 0; i < mem_cfg->num_lmacs; i++) {
if (!mem_cfg->lmac[i].rxfifo1_size)
continue;
/* Add header info */
fifo_data_len +=
mem_cfg->lmac[i].rxfifo1_size +
sizeof(*dump_data) +
sizeof(struct iwl_fw_error_dump_fifo);
}
}
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_TXF)) {
size_t fifo_const_len = sizeof(*dump_data) +
sizeof(struct iwl_fw_error_dump_fifo);
/* Count TXF sizes */
for (i = 0; i < mem_cfg->num_lmacs; i++) {
int j;
for (j = 0; j < mem_cfg->num_txfifo_entries;
j++) {
if (!mem_cfg->lmac[i].txfifo_size[j])
continue;
/* Add header info */
fifo_data_len +=
fifo_const_len +
mem_cfg->lmac[i].txfifo_size[j];
}
}
}
if ((fwrt->fw->dbg_dump_mask &
BIT(IWL_FW_ERROR_DUMP_INTERNAL_TXF)) &&
fw_has_capa(&fwrt->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG)) {
for (i = 0;
i < ARRAY_SIZE(mem_cfg->internal_txfifo_size);
i++) {
if (!mem_cfg->internal_txfifo_size[i])
continue;
/* Add header info */
fifo_data_len +=
mem_cfg->internal_txfifo_size[i] +
sizeof(*dump_data) +
sizeof(struct iwl_fw_error_dump_fifo);
}
}
fifo_len = iwl_fw_fifo_len(fwrt, mem_cfg);
/* Make room for PRPH registers */
if (!fwrt->trans->cfg->gen2 &&
fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_PRPH))
fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_PRPH))
prph_len += iwl_fw_get_prph_len(fwrt);
if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000 &&
fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_RADIO_REG))
fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_RADIO_REG))
radio_len = sizeof(*dump_data) + RADIO_REG_MAX_READ;
}
file_len = sizeof(*dump_file) +
fifo_data_len +
prph_len +
radio_len;
file_len = sizeof(*dump_file) + fifo_len + prph_len + radio_len;
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_DEV_FW_INFO))
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_DEV_FW_INFO))
file_len += sizeof(*dump_data) + sizeof(*dump_info);
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM_CFG))
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM_CFG))
file_len += sizeof(*dump_data) + sizeof(*dump_smem_cfg);
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM)) {
/* Make room for the SMEM, if it exists */
if (smem_len)
file_len += sizeof(*dump_data) + smem_len +
sizeof(struct iwl_fw_error_dump_mem);
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM)) {
size_t hdr_len = sizeof(*dump_data) +
sizeof(struct iwl_fw_error_dump_mem);
/* Make room for the secondary SRAM, if it exists */
if (sram2_len)
file_len += sizeof(*dump_data) + sram2_len +
sizeof(struct iwl_fw_error_dump_mem);
/* Dump SRAM only if no mem_tlvs */
if (!fwrt->fw->dbg.n_mem_tlv)
ADD_LEN(file_len, sram_len, hdr_len);
/* Make room for MEM segments */
for (i = 0; i < fwrt->fw->n_dbg_mem_tlv; i++) {
file_len += sizeof(*dump_data) +
le32_to_cpu(fw_dbg_mem[i].len) +
sizeof(struct iwl_fw_error_dump_mem);
}
/* Make room for all mem types that exist */
ADD_LEN(file_len, smem_len, hdr_len);
ADD_LEN(file_len, sram2_len, hdr_len);
for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++)
ADD_LEN(file_len, le32_to_cpu(fw_mem[i].len), hdr_len);
}
/* Make room for fw's virtual image pages, if it exists */
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_PAGING) &&
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_PAGING) &&
!fwrt->trans->cfg->gen2 &&
fwrt->fw->img[fwrt->cur_fw_img].paging_mem_size &&
fwrt->fw_paging_db[0].fw_paging_block)
@ -809,28 +732,21 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
sizeof(*dump_info) + sizeof(*dump_smem_cfg);
}
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_ERROR_INFO) &&
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_ERROR_INFO) &&
fwrt->dump.desc)
file_len += sizeof(*dump_data) + sizeof(*dump_trig) +
fwrt->dump.desc->len;
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM) &&
!fwrt->fw->n_dbg_mem_tlv)
file_len += sizeof(*dump_data) + sram_len +
sizeof(struct iwl_fw_error_dump_mem);
dump_file = vzalloc(file_len);
if (!dump_file) {
kfree(fw_error_dump);
goto out;
}
if (!dump_file)
return NULL;
fw_error_dump->fwrt_ptr = dump_file;
dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
dump_data = (void *)dump_file->data;
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_DEV_FW_INFO)) {
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_DEV_FW_INFO)) {
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
dump_data->len = cpu_to_le32(sizeof(*dump_info));
dump_info = (void *)dump_data->data;
@ -851,7 +767,7 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
dump_data = iwl_fw_error_next_data(dump_data);
}
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM_CFG)) {
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM_CFG)) {
/* Dump shared memory configuration */
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_CFG);
dump_data->len = cpu_to_le32(sizeof(*dump_smem_cfg));
@ -882,13 +798,13 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
}
/* We only dump the FIFOs if the FW is in error state */
if (fifo_data_len) {
if (fifo_len) {
iwl_fw_dump_fifos(fwrt, &dump_data);
if (radio_len)
iwl_read_radio_regs(fwrt, &dump_data);
}
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_ERROR_INFO) &&
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_ERROR_INFO) &&
fwrt->dump.desc) {
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO);
dump_data->len = cpu_to_le32(sizeof(*dump_trig) +
@ -902,12 +818,32 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
/* In case we only want monitor dump, skip to dump trasport data */
if (monitor_dump_only)
goto dump_trans_data;
goto out;
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM))
iwl_fw_dump_mem(fwrt, &dump_data, sram_len, sram_ofs, smem_len,
sram2_len);
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_MEM)) {
const struct iwl_fw_dbg_mem_seg_tlv *fw_dbg_mem =
fwrt->fw->dbg.mem_tlv;
if (!fwrt->fw->dbg.n_mem_tlv)
iwl_fw_dump_mem(fwrt, &dump_data, sram_len, sram_ofs,
IWL_FW_ERROR_DUMP_MEM_SRAM);
for (i = 0; i < fwrt->fw->dbg.n_mem_tlv; i++) {
u32 len = le32_to_cpu(fw_dbg_mem[i].len);
u32 ofs = le32_to_cpu(fw_dbg_mem[i].ofs);
iwl_fw_dump_mem(fwrt, &dump_data, len, ofs,
le32_to_cpu(fw_dbg_mem[i].data_type));
}
iwl_fw_dump_mem(fwrt, &dump_data, smem_len,
fwrt->trans->cfg->smem_offset,
IWL_FW_ERROR_DUMP_MEM_SMEM);
iwl_fw_dump_mem(fwrt, &dump_data, sram2_len,
fwrt->trans->cfg->dccm2_offset,
IWL_FW_ERROR_DUMP_MEM_SRAM);
}
if (iwl_fw_dbg_is_d3_debug_enabled(fwrt) && fwrt->dump.d3_debug_data) {
u32 addr = fwrt->trans->cfg->d3_debug_data_base_addr;
@ -929,7 +865,7 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
}
/* Dump fw's virtual image */
if (fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_PAGING) &&
if (fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_PAGING) &&
!fwrt->trans->cfg->gen2 &&
fwrt->fw->img[fwrt->cur_fw_img].paging_mem_size &&
fwrt->fw_paging_db[0].fw_paging_block) {
@ -965,13 +901,44 @@ void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
ARRAY_SIZE(iwl_prph_dump_addr_9000));
}
dump_trans_data:
out:
dump_file->file_len = cpu_to_le32(file_len);
return dump_file;
}
void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
{
struct iwl_fw_dump_ptrs *fw_error_dump;
struct iwl_fw_error_dump_file *dump_file;
struct scatterlist *sg_dump_data;
u32 file_len;
IWL_DEBUG_INFO(fwrt, "WRT dump start\n");
/* there's no point in fw dump if the bus is dead */
if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) {
IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n");
goto out;
}
fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL);
if (!fw_error_dump)
goto out;
dump_file = _iwl_fw_error_dump(fwrt, fw_error_dump);
if (!dump_file) {
kfree(fw_error_dump);
goto out;
}
fw_error_dump->trans_ptr = iwl_trans_dump_data(fwrt->trans,
fwrt->dump.trig);
file_len = le32_to_cpu(dump_file->file_len);
fw_error_dump->fwrt_len = file_len;
if (fw_error_dump->trans_ptr)
if (fw_error_dump->trans_ptr) {
file_len += fw_error_dump->trans_ptr->len;
dump_file->file_len = cpu_to_le32(file_len);
dump_file->file_len = cpu_to_le32(file_len);
}
sg_dump_data = alloc_sgtable(file_len);
if (sg_dump_data) {
@ -1006,15 +973,34 @@ const struct iwl_fw_dump_desc iwl_dump_desc_assert = {
};
IWL_EXPORT_SYMBOL(iwl_dump_desc_assert);
int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
const struct iwl_fw_dump_desc *desc,
const struct iwl_fw_dbg_trigger_tlv *trigger)
void iwl_fw_alive_error_dump(struct iwl_fw_runtime *fwrt)
{
unsigned int delay = 0;
struct iwl_fw_dump_desc *iwl_dump_desc_no_alive =
kmalloc(sizeof(*iwl_dump_desc_no_alive), GFP_KERNEL);
if (trigger)
delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay));
if (!iwl_dump_desc_no_alive)
return;
iwl_dump_desc_no_alive->trig_desc.type =
cpu_to_le32(FW_DBG_TRIGGER_NO_ALIVE);
iwl_dump_desc_no_alive->len = 0;
if (WARN_ON(fwrt->dump.desc))
iwl_fw_free_dump_desc(fwrt);
IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n",
FW_DBG_TRIGGER_NO_ALIVE);
fwrt->dump.desc = iwl_dump_desc_no_alive;
iwl_fw_error_dump(fwrt);
clear_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &fwrt->status);
}
IWL_EXPORT_SYMBOL(iwl_fw_alive_error_dump);
int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
const struct iwl_fw_dump_desc *desc, void *trigger,
unsigned int delay)
{
/*
* If the loading of the FW completed successfully, the next step is to
* get the SMEM config data. Thus, if fwrt->smem_cfg.num_lmacs is non
@ -1031,7 +1017,8 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
fwrt->smem_cfg.num_lmacs)
return -EIO;
if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status))
if (test_and_set_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status) ||
test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &fwrt->status))
return -EBUSY;
if (WARN_ON(fwrt->dump.desc))
@ -1052,25 +1039,38 @@ IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc);
int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_dbg_trigger trig,
const char *str, size_t len,
const struct iwl_fw_dbg_trigger_tlv *trigger)
struct iwl_fw_dbg_trigger_tlv *trigger)
{
struct iwl_fw_dump_desc *desc;
unsigned int delay = 0;
if (trigger && trigger->flags & IWL_FW_DBG_FORCE_RESTART) {
IWL_WARN(fwrt, "Force restart: trigger %d fired.\n", trig);
iwl_force_nmi(fwrt->trans);
return 0;
if (trigger) {
u16 occurrences = le16_to_cpu(trigger->occurrences) - 1;
if (!le16_to_cpu(trigger->occurrences))
return 0;
if (trigger->flags & IWL_FW_DBG_FORCE_RESTART) {
IWL_WARN(fwrt, "Force restart: trigger %d fired.\n",
trig);
iwl_force_nmi(fwrt->trans);
return 0;
}
trigger->occurrences = cpu_to_le16(occurrences);
delay = le16_to_cpu(trigger->trig_dis_ms);
}
desc = kzalloc(sizeof(*desc) + len, GFP_ATOMIC);
if (!desc)
return -ENOMEM;
desc->len = len;
desc->trig_desc.type = cpu_to_le32(trig);
memcpy(desc->trig_desc.data, str, len);
return iwl_fw_dbg_collect_desc(fwrt, desc, trigger);
return iwl_fw_dbg_collect_desc(fwrt, desc, trigger, delay);
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect);
@ -1078,13 +1078,9 @@ int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dbg_trigger_tlv *trigger,
const char *fmt, ...)
{
u16 occurrences = le16_to_cpu(trigger->occurrences);
int ret, len = 0;
char buf[64];
if (!occurrences)
return 0;
if (fmt) {
va_list ap;
@ -1107,7 +1103,6 @@ int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
if (ret)
return ret;
trigger->occurrences = cpu_to_le16(occurrences - 1);
return 0;
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_trig);
@ -1118,17 +1113,17 @@ int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id)
int ret;
int i;
if (WARN_ONCE(conf_id >= ARRAY_SIZE(fwrt->fw->dbg_conf_tlv),
if (WARN_ONCE(conf_id >= ARRAY_SIZE(fwrt->fw->dbg.conf_tlv),
"Invalid configuration %d\n", conf_id))
return -EINVAL;
/* EARLY START - firmware's configuration is hard coded */
if ((!fwrt->fw->dbg_conf_tlv[conf_id] ||
!fwrt->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) &&
if ((!fwrt->fw->dbg.conf_tlv[conf_id] ||
!fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds) &&
conf_id == FW_DBG_START_FROM_ALIVE)
return 0;
if (!fwrt->fw->dbg_conf_tlv[conf_id])
if (!fwrt->fw->dbg.conf_tlv[conf_id])
return -EINVAL;
if (fwrt->dump.conf != FW_DBG_INVALID)
@ -1136,8 +1131,8 @@ int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 conf_id)
fwrt->dump.conf);
/* Send all HCMDs for configuring the FW debug */
ptr = (void *)&fwrt->fw->dbg_conf_tlv[conf_id]->hcmd;
for (i = 0; i < fwrt->fw->dbg_conf_tlv[conf_id]->num_of_hcmds; i++) {
ptr = (void *)&fwrt->fw->dbg.conf_tlv[conf_id]->hcmd;
for (i = 0; i < fwrt->fw->dbg.conf_tlv[conf_id]->num_of_hcmds; i++) {
struct iwl_fw_dbg_conf_hcmd *cmd = (void *)ptr;
struct iwl_host_cmd hcmd = {
.id = cmd->id,
@ -1183,7 +1178,7 @@ void iwl_fw_error_dump_wk(struct work_struct *work)
/* start recording again if the firmware is not crashed */
if (!test_bit(STATUS_FW_ERROR, &fwrt->trans->status) &&
fwrt->fw->dbg_dest_tlv) {
fwrt->fw->dbg.dest_tlv) {
/* wait before we collect the data till the DBGC stop */
udelay(500);
iwl_fw_dbg_restart_recording(fwrt, &params);

45
drivers/net/wireless/intel/iwlwifi/fw/dbg.h
View File

@ -107,25 +107,25 @@ static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt)
void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt);
int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
const struct iwl_fw_dump_desc *desc,
const struct iwl_fw_dbg_trigger_tlv *trigger);
void *trigger, unsigned int delay);
int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_dbg_trigger trig,
const char *str, size_t len,
const struct iwl_fw_dbg_trigger_tlv *trigger);
struct iwl_fw_dbg_trigger_tlv *trigger);
int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dbg_trigger_tlv *trigger,
const char *fmt, ...) __printf(3, 4);
int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 id);
#define iwl_fw_dbg_trigger_enabled(fw, id) ({ \
void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)]; \
void *__dbg_trigger = (fw)->dbg.trigger_tlv[(id)]; \
unlikely(__dbg_trigger); \
})
static inline struct iwl_fw_dbg_trigger_tlv*
_iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id)
{
return fw->dbg_trigger_tlv[id];
return fw->dbg.trigger_tlv[id];
}
#define iwl_fw_dbg_get_trigger(fw, id) ({ \
@ -154,12 +154,9 @@ iwl_fw_dbg_trigger_stop_conf_match(struct iwl_fw_runtime *fwrt,
}
static inline bool
iwl_fw_dbg_no_trig_window(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dbg_trigger_tlv *trig)
iwl_fw_dbg_no_trig_window(struct iwl_fw_runtime *fwrt, u32 id, u32 dis_ms)
{
unsigned long wind_jiff =
msecs_to_jiffies(le16_to_cpu(trig->trig_dis_ms));
u32 id = le32_to_cpu(trig->id);
unsigned long wind_jiff = msecs_to_jiffies(dis_ms);
/* If this is the first event checked, jump to update start ts */
if (fwrt->dump.non_collect_ts_start[id] &&
@ -179,7 +176,8 @@ iwl_fw_dbg_trigger_check_stop(struct iwl_fw_runtime *fwrt,
if (wdev && !iwl_fw_dbg_trigger_vif_match(trig, wdev))
return false;
if (iwl_fw_dbg_no_trig_window(fwrt, trig)) {
if (iwl_fw_dbg_no_trig_window(fwrt, le32_to_cpu(trig->id),
le16_to_cpu(trig->trig_dis_ms))) {
IWL_WARN(fwrt, "Trigger %d occurred while no-collect window.\n",
trig->id);
return false;
@ -188,6 +186,30 @@ iwl_fw_dbg_trigger_check_stop(struct iwl_fw_runtime *fwrt,
return iwl_fw_dbg_trigger_stop_conf_match(fwrt, trig);
}
static inline struct iwl_fw_dbg_trigger_tlv*
_iwl_fw_dbg_trigger_on(struct iwl_fw_runtime *fwrt,
struct wireless_dev *wdev,
const enum iwl_fw_dbg_trigger id)
{
struct iwl_fw_dbg_trigger_tlv *trig;
if (!iwl_fw_dbg_trigger_enabled(fwrt->fw, id))
return NULL;
trig = _iwl_fw_dbg_get_trigger(fwrt->fw, id);
if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trig))
return NULL;
return trig;
}
#define iwl_fw_dbg_trigger_on(fwrt, wdev, id) ({ \
BUILD_BUG_ON(!__builtin_constant_p(id)); \
BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \
_iwl_fw_dbg_trigger_on((fwrt), (wdev), (id)); \
})
static inline void
_iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt,
struct wireless_dev *wdev,
@ -293,7 +315,7 @@ static inline bool iwl_fw_dbg_is_d3_debug_enabled(struct iwl_fw_runtime *fwrt)
return fw_has_capa(&fwrt->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_D3_DEBUG) &&
fwrt->trans->cfg->d3_debug_data_length &&
fwrt->fw->dbg_dump_mask & BIT(IWL_FW_ERROR_DUMP_D3_DEBUG_DATA);
fwrt->fw->dbg.dump_mask & BIT(IWL_FW_ERROR_DUMP_D3_DEBUG_DATA);
}
void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt);
@ -344,4 +366,5 @@ static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {}
#endif /* CONFIG_IWLWIFI_DEBUGFS */
void iwl_fw_alive_error_dump(struct iwl_fw_runtime *fwrt);
#endif /* __iwl_fw_dbg_h__ */

64
drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
View File

@ -258,11 +258,75 @@ static ssize_t iwl_dbgfs_timestamp_marker_read(struct iwl_fw_runtime *fwrt,
FWRT_DEBUGFS_READ_WRITE_FILE_OPS(timestamp_marker, 16);
struct hcmd_write_data {
__be32 cmd_id;
__be32 flags;
__be16 length;
u8 data[0];
} __packed;
static ssize_t iwl_dbgfs_send_hcmd_write(struct iwl_fw_runtime *fwrt, char *buf,
size_t count)
{
size_t header_size = (sizeof(u32) * 2 + sizeof(u16)) * 2;
size_t data_size = (count - 1) / 2;
int ret;
struct hcmd_write_data *data;
struct iwl_host_cmd hcmd = {
.len = { 0, },
.data = { NULL, },
};
if (fwrt->ops && fwrt->ops->fw_running &&
!fwrt->ops->fw_running(fwrt->ops_ctx))
return -EIO;
if (count < header_size + 1 || count > 1024 * 4)
return -EINVAL;
data = kmalloc(data_size, GFP_KERNEL);
if (!data)
return -ENOMEM;
ret = hex2bin((u8 *)data, buf, data_size);
if (ret)
goto out;
hcmd.id = be32_to_cpu(data->cmd_id);
hcmd.flags = be32_to_cpu(data->flags);
hcmd.len[0] = be16_to_cpu(data->length);
hcmd.data[0] = data->data;
if (count != header_size + hcmd.len[0] * 2 + 1) {
IWL_ERR(fwrt,
"host command data size does not match header length\n");
ret = -EINVAL;
goto out;
}
if (fwrt->ops && fwrt->ops->send_hcmd)
ret = fwrt->ops->send_hcmd(fwrt->ops_ctx, &hcmd);
else
ret = -EPERM;
if (ret < 0)
goto out;
if (hcmd.flags & CMD_WANT_SKB)
iwl_free_resp(&hcmd);
out:
kfree(data);
return ret ?: count;
}
FWRT_DEBUGFS_WRITE_FILE_OPS(send_hcmd, 512);
int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
struct dentry *dbgfs_dir)
{
INIT_DELAYED_WORK(&fwrt->timestamp.wk, iwl_fw_timestamp_marker_wk);
FWRT_DEBUGFS_ADD_FILE(timestamp_marker, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(send_hcmd, dbgfs_dir, 0200);
return 0;
err:
IWL_ERR(fwrt, "Can't create the fwrt debugfs directory\n");

2
drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
View File

@ -328,6 +328,7 @@ iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
* @FW_DBG_TDLS: trigger log collection upon TDLS related events.
* @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
* the firmware sends a tx reply.
* @FW_DBG_TRIGGER_NO_ALIVE: trigger log collection if alive flow fails
*/
enum iwl_fw_dbg_trigger {
FW_DBG_TRIGGER_INVALID = 0,
@ -345,6 +346,7 @@ enum iwl_fw_dbg_trigger {
FW_DBG_TRIGGER_TX_LATENCY,
FW_DBG_TRIGGER_TDLS,
FW_DBG_TRIGGER_TX_STATUS,
FW_DBG_TRIGGER_NO_ALIVE,
/* must be last */
FW_DBG_TRIGGER_MAX,

7
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@ -337,7 +337,7 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
* antenna the beacon should be transmitted
* @IWL_UCODE_TLV_CAPA_BEACON_STORING: firmware will store the latest beacon
* from AP and will send it upon d0i3 exit.
* @IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2: support LAR API V2
* @IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V3: support LAR API V3
* @IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW: firmware responsible for CT-kill
* @IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT: supports temperature
* thresholds reporting
@ -352,6 +352,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
* power reduction.
* @IWL_UCODE_TLV_CAPA_MLME_OFFLOAD: supports MLME offload
* @IWL_UCODE_TLV_CAPA_D3_DEBUG: supports debug recording during D3
* @IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT: MCC response support 11ax
* capability.
*
* @NUM_IWL_UCODE_TLV_CAPA: number of bits used
*/
@ -392,7 +394,7 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD = (__force iwl_ucode_tlv_capa_t)70,
IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION = (__force iwl_ucode_tlv_capa_t)71,
IWL_UCODE_TLV_CAPA_BEACON_STORING = (__force iwl_ucode_tlv_capa_t)72,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2 = (__force iwl_ucode_tlv_capa_t)73,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V3 = (__force iwl_ucode_tlv_capa_t)73,
IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW = (__force iwl_ucode_tlv_capa_t)74,
IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT = (__force iwl_ucode_tlv_capa_t)75,
IWL_UCODE_TLV_CAPA_CTDP_SUPPORT = (__force iwl_ucode_tlv_capa_t)76,
@ -402,6 +404,7 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_TX_POWER_ACK = (__force iwl_ucode_tlv_capa_t)84,
IWL_UCODE_TLV_CAPA_D3_DEBUG = (__force iwl_ucode_tlv_capa_t)87,
IWL_UCODE_TLV_CAPA_LED_CMD_SUPPORT = (__force iwl_ucode_tlv_capa_t)88,
IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT = (__force iwl_ucode_tlv_capa_t)89,
IWL_UCODE_TLV_CAPA_MLME_OFFLOAD = (__force iwl_ucode_tlv_capa_t)96,
NUM_IWL_UCODE_TLV_CAPA

41
drivers/net/wireless/intel/iwlwifi/fw/img.h
View File

@ -197,6 +197,29 @@ enum iwl_fw_type {
IWL_FW_MVM,
};
/**
* struct iwl_fw_dbg - debug data
*
* @dest_tlv: points to debug destination TLV (typically SRAM or DRAM)
* @n_dest_reg: num of reg_ops in dest_tlv
* @conf_tlv: array of pointers to configuration HCMDs
* @trigger_tlv: array of pointers to triggers TLVs
* @trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
* @mem_tlv: Runtime addresses to dump
* @n_mem_tlv: number of runtime addresses
* @dump_mask: bitmask of dump regions
*/
struct iwl_fw_dbg {
struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv;
u8 n_dest_reg;
struct iwl_fw_dbg_conf_tlv *conf_tlv[FW_DBG_CONF_MAX];
struct iwl_fw_dbg_trigger_tlv *trigger_tlv[FW_DBG_TRIGGER_MAX];
size_t trigger_tlv_len[FW_DBG_TRIGGER_MAX];
struct iwl_fw_dbg_mem_seg_tlv *mem_tlv;
size_t n_mem_tlv;
u32 dump_mask;
};
/**
* struct iwl_fw - variables associated with the firmware
*
@ -217,12 +240,6 @@ enum iwl_fw_type {
* @cipher_scheme: optional external cipher scheme.
* @human_readable: human readable version
* we get the ALIVE from the uCode
* @dbg_dest_tlv: points to the destination TLV for debug
* @dbg_conf_tlv: array of pointers to configuration TLVs for debug
* @dbg_conf_tlv_len: lengths of the @dbg_conf_tlv entries
* @dbg_trigger_tlv: array of pointers to triggers TLVs
* @dbg_trigger_tlv_len: lengths of the @dbg_trigger_tlv entries
* @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
*/
struct iwl_fw {
u32 ucode_ver;
@ -250,15 +267,7 @@ struct iwl_fw {
struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS];
u8 human_readable[FW_VER_HUMAN_READABLE_SZ];
struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv;
struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
size_t n_dbg_mem_tlv;
size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
u8 dbg_dest_reg_num;
u32 dbg_dump_mask;
struct iwl_fw_dbg dbg;
};
static inline const char *get_fw_dbg_mode_string(int mode)
@ -280,7 +289,7 @@ static inline const char *get_fw_dbg_mode_string(int mode)
static inline bool
iwl_fw_dbg_conf_usniffer(const struct iwl_fw *fw, u8 id)
{
const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg_conf_tlv[id];
const struct iwl_fw_dbg_conf_tlv *conf_tlv = fw->dbg.conf_tlv[id];
if (!conf_tlv)
return false;

2
drivers/net/wireless/intel/iwlwifi/fw/runtime.h
View File

@ -71,6 +71,7 @@ struct iwl_fw_runtime_ops {
int (*dump_start)(void *ctx);
void (*dump_end)(void *ctx);
bool (*fw_running)(void *ctx);
int (*send_hcmd)(void *ctx, struct iwl_host_cmd *host_cmd);
};
#define MAX_NUM_LMAC 2
@ -88,6 +89,7 @@ struct iwl_fwrt_shared_mem_cfg {
enum iwl_fw_runtime_status {
IWL_FWRT_STATUS_DUMPING = 0,
IWL_FWRT_STATUS_WAIT_ALIVE,
};
/**

77
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
View File

@ -168,12 +168,12 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv)
{
int i;
kfree(drv->fw.dbg_dest_tlv);
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++)
kfree(drv->fw.dbg_conf_tlv[i]);
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++)
kfree(drv->fw.dbg_trigger_tlv[i]);
kfree(drv->fw.dbg_mem_tlv);
kfree(drv->fw.dbg.dest_tlv);
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++)
kfree(drv->fw.dbg.conf_tlv[i]);
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++)
kfree(drv->fw.dbg.trigger_tlv[i]);
kfree(drv->fw.dbg.mem_tlv);
kfree(drv->fw.iml);
for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
@ -303,7 +303,7 @@ struct iwl_firmware_pieces {
struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
size_t n_dbg_mem_tlv;
size_t n_mem_tlv;
};
/*
@ -936,7 +936,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
IWL_INFO(drv, "Found debug destination: %s\n",
get_fw_dbg_mode_string(mon_mode));
drv->fw.dbg_dest_reg_num = (dest_v1) ?
drv->fw.dbg.n_dest_reg = (dest_v1) ?
tlv_len -
offsetof(struct iwl_fw_dbg_dest_tlv_v1,
reg_ops) :
@ -944,8 +944,8 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
offsetof(struct iwl_fw_dbg_dest_tlv,
reg_ops);
drv->fw.dbg_dest_reg_num /=
sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]);
drv->fw.dbg.n_dest_reg /=
sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);
break;
}
@ -959,7 +959,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
break;
}
if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) {
if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {
IWL_ERR(drv,
"Skip unknown configuration: %d\n",
conf->id);
@ -988,7 +988,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
(void *)tlv_data;
u32 trigger_id = le32_to_cpu(trigger->id);
if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) {
if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {
IWL_ERR(drv,
"Skip unknown trigger: %u\n",
trigger->id);
@ -1015,7 +1015,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
break;
}
drv->fw.dbg_dump_mask =
drv->fw.dbg.dump_mask =
le32_to_cpup((__le32 *)tlv_data);
break;
}
@ -1070,13 +1070,13 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
dbg_mem->data_type);
size = sizeof(*pieces->dbg_mem_tlv) *
(pieces->n_dbg_mem_tlv + 1);
(pieces->n_mem_tlv + 1);
n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
if (!n)
return -ENOMEM;
pieces->dbg_mem_tlv = n;
pieces->dbg_mem_tlv[pieces->n_dbg_mem_tlv] = *dbg_mem;
pieces->n_dbg_mem_tlv++;
pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
pieces->n_mem_tlv++;
break;
}
case IWL_UCODE_TLV_IML: {
@ -1256,7 +1256,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
/* dump all fw memory areas by default except d3 debug data */
fw->dbg_dump_mask = 0xfffdffff;
fw->dbg.dump_mask = 0xfffdffff;
pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
if (!pieces)
@ -1323,21 +1323,21 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
goto out_free_fw;
if (pieces->dbg_dest_tlv_init) {
size_t dbg_dest_size = sizeof(*drv->fw.dbg_dest_tlv) +
sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]) *
drv->fw.dbg_dest_reg_num;
size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
drv->fw.dbg.n_dest_reg;
drv->fw.dbg_dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
if (!drv->fw.dbg_dest_tlv)
if (!drv->fw.dbg.dest_tlv)
goto out_free_fw;
if (*pieces->dbg_dest_ver == 0) {
memcpy(drv->fw.dbg_dest_tlv, pieces->dbg_dest_tlv_v1,
memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,
dbg_dest_size);
} else {
struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
drv->fw.dbg_dest_tlv;
drv->fw.dbg.dest_tlv;
dest_tlv->version = pieces->dbg_dest_tlv->version;
dest_tlv->monitor_mode =
@ -1352,8 +1352,8 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
pieces->dbg_dest_tlv->base_shift;
memcpy(dest_tlv->reg_ops,
pieces->dbg_dest_tlv->reg_ops,
sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]) *
drv->fw.dbg_dest_reg_num);
sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
drv->fw.dbg.n_dest_reg);
/* In version 1 of the destination tlv, which is
* relevant for internal buffer exclusively,
@ -1369,15 +1369,13 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
}
}
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) {
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
if (pieces->dbg_conf_tlv[i]) {
drv->fw.dbg_conf_tlv_len[i] =
pieces->dbg_conf_tlv_len[i];
drv->fw.dbg_conf_tlv[i] =
drv->fw.dbg.conf_tlv[i] =
kmemdup(pieces->dbg_conf_tlv[i],
drv->fw.dbg_conf_tlv_len[i],
pieces->dbg_conf_tlv_len[i],
GFP_KERNEL);
if (!drv->fw.dbg_conf_tlv[i])
if (!pieces->dbg_conf_tlv_len[i])
goto out_free_fw;
}
}
@ -1404,7 +1402,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
sizeof(struct iwl_fw_dbg_trigger_tdls);
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) {
for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {
if (pieces->dbg_trigger_tlv[i]) {
/*
* If the trigger isn't long enough, WARN and exit.
@ -1417,22 +1415,22 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
(trigger_tlv_sz[i] +
sizeof(struct iwl_fw_dbg_trigger_tlv))))
goto out_free_fw;
drv->fw.dbg_trigger_tlv_len[i] =
drv->fw.dbg.trigger_tlv_len[i] =
pieces->dbg_trigger_tlv_len[i];
drv->fw.dbg_trigger_tlv[i] =
drv->fw.dbg.trigger_tlv[i] =
kmemdup(pieces->dbg_trigger_tlv[i],
drv->fw.dbg_trigger_tlv_len[i],
drv->fw.dbg.trigger_tlv_len[i],
GFP_KERNEL);
if (!drv->fw.dbg_trigger_tlv[i])
if (!drv->fw.dbg.trigger_tlv[i])
goto out_free_fw;
}
}
/* Now that we can no longer fail, copy information */
drv->fw.dbg_mem_tlv = pieces->dbg_mem_tlv;
drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
pieces->dbg_mem_tlv = NULL;
drv->fw.n_dbg_mem_tlv = pieces->n_dbg_mem_tlv;
drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
/*
* The (size - 16) / 12 formula is based on the information recorded
@ -1473,6 +1471,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
break;
default:
WARN(1, "Invalid fw type %d\n", fw->type);
/* fall through */
case IWL_FW_MVM:
op = &iwlwifi_opmode_table[MVM_OP_MODE];
break;

10
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
View File

@ -1335,6 +1335,7 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
bool lar_fw_supported = !iwlwifi_mod_params.lar_disable &&
fw_has_capa(&fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
bool empty_otp;
u32 mac_flags;
u32 sbands_flags = 0;
@ -1350,7 +1351,9 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
}
rsp = (void *)hcmd.resp_pkt->data;
if (le32_to_cpu(rsp->general.flags) & NVM_GENERAL_FLAGS_EMPTY_OTP)
empty_otp = !!(le32_to_cpu(rsp->general.flags) &
NVM_GENERAL_FLAGS_EMPTY_OTP);
if (empty_otp)
IWL_INFO(trans, "OTP is empty\n");
nvm = kzalloc(sizeof(*nvm) +
@ -1374,6 +1377,11 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
/* Initialize general data */
nvm->nvm_version = le16_to_cpu(rsp->general.nvm_version);
nvm->n_hw_addrs = rsp->general.n_hw_addrs;
if (nvm->n_hw_addrs == 0)
IWL_WARN(trans,
"Firmware declares no reserved mac addresses. OTP is empty: %d\n",
empty_otp);
/* Initialize MAC sku data */
mac_flags = le32_to_cpu(rsp->mac_sku.mac_sku_flags);

4
drivers/net/wireless/intel/iwlwifi/iwl-trans.h
View File

@ -725,7 +725,7 @@ struct iwl_dram_data {
* @dbg_dest_tlv: points to the destination TLV for debug
* @dbg_conf_tlv: array of pointers to configuration TLVs for debug
* @dbg_trigger_tlv: array of pointers to triggers TLVs for debug
* @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv
* @dbg_n_dest_reg: num of reg_ops in %dbg_dest_tlv
* @num_blocks: number of blocks in fw_mon
* @fw_mon: address of the buffers for firmware monitor
* @system_pm_mode: the system-wide power management mode in use.
@ -778,7 +778,7 @@ struct iwl_trans {
const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
struct iwl_fw_dbg_trigger_tlv * const *dbg_trigger_tlv;
u32 dbg_dump_mask;
u8 dbg_dest_reg_num;
u8 dbg_n_dest_reg;
int num_blocks;
struct iwl_dram_data fw_mon[IWL_MAX_DEBUG_ALLOCATIONS];

13
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
View File

@ -666,16 +666,11 @@ iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
};
int ret, bt_force_ant_mode;
for (bt_force_ant_mode = 0;
bt_force_ant_mode < ARRAY_SIZE(modes_str);
bt_force_ant_mode++) {
if (!strcmp(buf, modes_str[bt_force_ant_mode]))
break;
}
if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
return -EINVAL;
ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
if (ret < 0)
return ret;
bt_force_ant_mode = ret;
ret = 0;
mutex_lock(&mvm->mutex);
if (mvm->bt_force_ant_mode == bt_force_ant_mode)

12
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -299,6 +299,7 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
enum iwl_ucode_type old_type = mvm->fwrt.cur_fw_img;
static const u16 alive_cmd[] = { MVM_ALIVE };
set_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status);
if (ucode_type == IWL_UCODE_REGULAR &&
iwl_fw_dbg_conf_usniffer(mvm->fw, FW_DBG_START_FROM_ALIVE) &&
!(fw_has_capa(&mvm->fw->ucode_capa,
@ -369,6 +370,7 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
set_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
clear_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status);
return 0;
}
@ -699,8 +701,12 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
enabled = !!(wifi_pkg->package.elements[1].integer.value);
n_profiles = wifi_pkg->package.elements[2].integer.value;
/* in case of BIOS bug */
if (n_profiles <= 0) {
/*
* Check the validity of n_profiles. The EWRD profiles start
* from index 1, so the maximum value allowed here is
* ACPI_SAR_PROFILES_NUM - 1.
*/
if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) {
ret = -EINVAL;
goto out_free;
}
@ -1022,7 +1028,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
mvm->fwrt.dump.conf = FW_DBG_INVALID;
/* if we have a destination, assume EARLY START */
if (mvm->fw->dbg_dest_tlv)
if (mvm->fw->dbg.dest_tlv)
mvm->fwrt.dump.conf = FW_DBG_START_FROM_ALIVE;
iwl_fw_start_dbg_conf(&mvm->fwrt, FW_DBG_START_FROM_ALIVE);

12
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -1487,12 +1487,11 @@ static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac,
IWL_MVM_MISSED_BEACONS_THRESHOLD)
ieee80211_beacon_loss(vif);
if (!iwl_fw_dbg_trigger_enabled(mvm->fw,
FW_DBG_TRIGGER_MISSED_BEACONS))
trigger = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_MISSED_BEACONS);
if (!trigger)
return;
trigger = iwl_fw_dbg_get_trigger(mvm->fw,
FW_DBG_TRIGGER_MISSED_BEACONS);
bcon_trig = (void *)trigger->data;
stop_trig_missed_bcon = le32_to_cpu(bcon_trig->stop_consec_missed_bcon);
stop_trig_missed_bcon_since_rx =
@ -1500,11 +1499,6 @@ static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac,
/* TODO: implement start trigger */
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(vif),
trigger))
return;
if (rx_missed_bcon_since_rx >= stop_trig_missed_bcon_since_rx ||
rx_missed_bcon >= stop_trig_missed_bcon)
iwl_fw_dbg_collect_trig(&mvm->fwrt, trigger, NULL);

42
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -857,16 +857,13 @@ iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_BA);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(vif), trig))
return;
switch (action) {
case IEEE80211_AMPDU_TX_OPERATIONAL: {
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
@ -1231,12 +1228,15 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
iwl_mvm_del_aux_sta(mvm);
/*
* Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
* won't be called in this case).
* Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
* hw (as restart_complete() won't be called in this case) and mac80211
* won't execute the restart.
* But make sure to cleanup interfaces that have gone down before/during
* HW restart was requested.
*/
if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
&mvm->status))
ieee80211_iterate_interfaces(mvm->hw, 0,
iwl_mvm_cleanup_iterator, mvm);
@ -2802,14 +2802,12 @@ iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_tdls *tdls_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_TDLS);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
tdls_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(vif), trig))
return;
if (!(tdls_trig->action_bitmap & BIT(action)))
return;
@ -4491,14 +4489,12 @@ static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_mlme *trig_mlme;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_MLME);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
trig_mlme = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(vif), trig))
return;
if (event->u.mlme.data == ASSOC_EVENT) {
if (event->u.mlme.status == MLME_DENIED)
@ -4533,14 +4529,12 @@ static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_BA);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(vif), trig))
return;
if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
return;

25
drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
View File

@ -477,15 +477,11 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
u32 status;
int resp_len, n_channels;
u16 mcc;
bool resp_v2 = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2);
if (WARN_ON_ONCE(!iwl_mvm_is_lar_supported(mvm)))
return ERR_PTR(-EOPNOTSUPP);
cmd.len[0] = sizeof(struct iwl_mcc_update_cmd);
if (!resp_v2)
cmd.len[0] = sizeof(struct iwl_mcc_update_cmd_v1);
IWL_DEBUG_LAR(mvm, "send MCC update to FW with '%c%c' src = %d\n",
alpha2[0], alpha2[1], src_id);
@ -497,7 +493,8 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
pkt = cmd.resp_pkt;
/* Extract MCC response */
if (resp_v2) {
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT)) {
struct iwl_mcc_update_resp *mcc_resp = (void *)pkt->data;
n_channels = __le32_to_cpu(mcc_resp->n_channels);
@ -509,9 +506,9 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
goto exit;
}
} else {
struct iwl_mcc_update_resp_v1 *mcc_resp_v1 = (void *)pkt->data;
struct iwl_mcc_update_resp_v3 *mcc_resp_v3 = (void *)pkt->data;
n_channels = __le32_to_cpu(mcc_resp_v1->n_channels);
n_channels = __le32_to_cpu(mcc_resp_v3->n_channels);
resp_len = sizeof(struct iwl_mcc_update_resp) +
n_channels * sizeof(__le32);
resp_cp = kzalloc(resp_len, GFP_KERNEL);
@ -520,12 +517,14 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
goto exit;
}
resp_cp->status = mcc_resp_v1->status;
resp_cp->mcc = mcc_resp_v1->mcc;
resp_cp->cap = mcc_resp_v1->cap;
resp_cp->source_id = mcc_resp_v1->source_id;
resp_cp->n_channels = mcc_resp_v1->n_channels;
memcpy(resp_cp->channels, mcc_resp_v1->channels,
resp_cp->status = mcc_resp_v3->status;
resp_cp->mcc = mcc_resp_v3->mcc;
resp_cp->cap = cpu_to_le16(mcc_resp_v3->cap);
resp_cp->source_id = mcc_resp_v3->source_id;
resp_cp->time = mcc_resp_v3->time;
resp_cp->geo_info = mcc_resp_v3->geo_info;
resp_cp->n_channels = mcc_resp_v3->n_channels;
memcpy(resp_cp->channels, mcc_resp_v3->channels,
n_channels * sizeof(__le32));
}

39
drivers/net/wireless/intel/iwlwifi/mvm/ops.c
View File

@ -565,10 +565,23 @@ static bool iwl_mvm_fwrt_fw_running(void *ctx)
return iwl_mvm_firmware_running(ctx);
}
static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd)
{
struct iwl_mvm *mvm = (struct iwl_mvm *)ctx;
int ret;
mutex_lock(&mvm->mutex);
ret = iwl_mvm_send_cmd(mvm, host_cmd);
mutex_unlock(&mvm->mutex);
return ret;
}
static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
.dump_start = iwl_mvm_fwrt_dump_start,
.dump_end = iwl_mvm_fwrt_dump_end,
.fw_running = iwl_mvm_fwrt_fw_running,
.send_hcmd = iwl_mvm_fwrt_send_hcmd,
};
static struct iwl_op_mode *
@ -604,9 +617,13 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
if (cfg->max_rx_agg_size)
hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size;
else
hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
if (cfg->max_tx_agg_size)
hw->max_tx_aggregation_subframes = cfg->max_tx_agg_size;
else
hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
op_mode = hw->priv;
@ -748,12 +765,12 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
iwl_trans_configure(mvm->trans, &trans_cfg);
trans->rx_mpdu_cmd = REPLY_RX_MPDU_CMD;
trans->dbg_dest_tlv = mvm->fw->dbg_dest_tlv;
trans->dbg_dest_reg_num = mvm->fw->dbg_dest_reg_num;
memcpy(trans->dbg_conf_tlv, mvm->fw->dbg_conf_tlv,
trans->dbg_dest_tlv = mvm->fw->dbg.dest_tlv;
trans->dbg_n_dest_reg = mvm->fw->dbg.n_dest_reg;
memcpy(trans->dbg_conf_tlv, mvm->fw->dbg.conf_tlv,
sizeof(trans->dbg_conf_tlv));
trans->dbg_trigger_tlv = mvm->fw->dbg_trigger_tlv;
trans->dbg_dump_mask = mvm->fw->dbg_dump_mask;
trans->dbg_trigger_tlv = mvm->fw->dbg.trigger_tlv;
trans->dbg_dump_mask = mvm->fw->dbg.dump_mask;
trans->iml = mvm->fw->iml;
trans->iml_len = mvm->fw->iml_len;
@ -784,6 +801,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
mutex_lock(&mvm->mutex);
iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
err = iwl_run_init_mvm_ucode(mvm, true);
if (test_bit(IWL_FWRT_STATUS_WAIT_ALIVE, &mvm->fwrt.status))
iwl_fw_alive_error_dump(&mvm->fwrt);
if (!iwlmvm_mod_params.init_dbg || !err)
iwl_mvm_stop_device(mvm);
iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
@ -953,15 +972,13 @@ static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_cmd *cmds_trig;
int i;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
FW_DBG_TRIGGER_FW_NOTIF);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_FW_NOTIF);
cmds_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
return;
for (i = 0; i < ARRAY_SIZE(cmds_trig->cmds); i++) {
/* don't collect on CMD 0 */
if (!cmds_trig->cmds[i].cmd_id)
@ -1223,7 +1240,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
*/
if (!mvm->fw_restart && fw_error) {
iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert,
NULL);
NULL, 0);
} else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
struct iwl_mvm_reprobe *reprobe;

29
drivers/net/wireless/intel/iwlwifi/mvm/rx.c
View File

@ -433,13 +433,14 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct ieee80211_vif *tx_blocked_vif =
rcu_dereference(mvm->csa_tx_blocked_vif);
struct iwl_fw_dbg_trigger_tlv *trig;
struct ieee80211_vif *vif = mvmsta->vif;
/* We have tx blocked stations (with CS bit). If we heard
* frames from a blocked station on a new channel we can
* TX to it again.
*/
if (unlikely(tx_blocked_vif) &&
mvmsta->vif == tx_blocked_vif) {
if (unlikely(tx_blocked_vif) && vif == tx_blocked_vif) {
struct iwl_mvm_vif *mvmvif =
iwl_mvm_vif_from_mac80211(tx_blocked_vif);
@ -450,23 +451,18 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
rs_update_last_rssi(mvm, mvmsta, rx_status);
if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&
ieee80211_is_beacon(hdr->frame_control)) {
struct iwl_fw_dbg_trigger_tlv *trig;
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_RSSI);
if (trig && ieee80211_is_beacon(hdr->frame_control)) {
struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
bool trig_check;
s32 rssi;
trig = iwl_fw_dbg_get_trigger(mvm->fw,
FW_DBG_TRIGGER_RSSI);
rssi_trig = (void *)trig->data;
rssi = le32_to_cpu(rssi_trig->rssi);
trig_check =
iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(mvmsta->vif),
trig);
if (trig_check && rx_status->signal < rssi)
if (rx_status->signal < rssi)
iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
NULL);
}
@ -693,15 +689,12 @@ iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt)
struct iwl_fw_dbg_trigger_stats *trig_stats;
u32 trig_offset, trig_thold;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_STATS))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, FW_DBG_TRIGGER_STATS);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_STATS);
trig_stats = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
return;
trig_offset = le32_to_cpu(trig_stats->stop_offset);
trig_thold = le32_to_cpu(trig_stats->stop_threshold);

371
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
View File

@ -923,6 +923,185 @@ static void iwl_mvm_decode_he_sigb(struct iwl_mvm *mvm,
}
}
static void
iwl_mvm_decode_he_phy_ru_alloc(u64 he_phy_data, u32 rate_n_flags,
struct ieee80211_radiotap_he *he,
struct ieee80211_radiotap_he_mu *he_mu,
struct ieee80211_rx_status *rx_status)
{
/*
* Unfortunately, we have to leave the mac80211 data
* incorrect for the case that we receive an HE-MU
* transmission and *don't* have the HE phy data (due
* to the bits being used for TSF). This shouldn't
* happen though as management frames where we need
* the TSF/timers are not be transmitted in HE-MU.
*/
u8 ru = FIELD_GET(IWL_RX_HE_PHY_RU_ALLOC_MASK, he_phy_data);
u8 offs = 0;
rx_status->bw = RATE_INFO_BW_HE_RU;
he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
switch (ru) {
case 0 ... 36:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
offs = ru;
break;
case 37 ... 52:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
offs = ru - 37;
break;
case 53 ... 60:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
offs = ru - 53;
break;
case 61 ... 64:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
offs = ru - 61;
break;
case 65 ... 66:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
offs = ru - 65;
break;
case 67:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
break;
case 68:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
break;
}
he->data2 |= le16_encode_bits(offs,
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN |
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN);
if (he_phy_data & IWL_RX_HE_PHY_RU_ALLOC_SEC80)
he->data2 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
if (he_mu) {
#define CHECK_BW(bw) \
BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_ ## bw ## MHZ != \
RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
CHECK_BW(20);
CHECK_BW(40);
CHECK_BW(80);
CHECK_BW(160);
he_mu->flags2 |=
le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK,
rate_n_flags),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
}
}
static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm,
struct iwl_rx_mpdu_desc *desc,
struct ieee80211_radiotap_he *he,
struct ieee80211_radiotap_he_mu *he_mu,
struct ieee80211_rx_status *rx_status,
u64 he_phy_data, u32 rate_n_flags,
int queue)
{
u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
bool sigb_data;
u16 d1known = IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN |
IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN |
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN |
IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN |
IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN;
u16 d2known = IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN |
IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN |
IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN;
he->data1 |= cpu_to_le16(d1known);
he->data2 |= cpu_to_le16(d2known);
he->data3 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_BSS_COLOR_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR);
he->data3 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_UPLINK,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA3_UL_DL);
he->data3 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_LDPC_EXT_SYM,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG);
he->data4 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_SPATIAL_REUSE_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE);
he->data5 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_PRE_FEC_PAD_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD);
he->data5 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_PE_DISAMBIG,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG);
he->data6 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_TXOP_DUR_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA6_TXOP);
he->data6 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_DOPPLER,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA6_DOPPLER);
switch (he_type) {
case RATE_MCS_HE_TYPE_MU:
he_mu->flags1 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_DCM,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM);
he_mu->flags1 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_MCS_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS);
he_mu->flags2 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIBG_SYM_OR_USER_NUM_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS);
he_mu->flags2 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_COMPRESSION,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP);
he_mu->flags2 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_PREAMBLE_PUNC_TYPE_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW);
sigb_data = FIELD_GET(IWL_RX_HE_PHY_INFO_TYPE_MASK,
he_phy_data) ==
IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO;
if (sigb_data)
iwl_mvm_decode_he_sigb(mvm, desc, rate_n_flags, he_mu);
/* fall through */
case RATE_MCS_HE_TYPE_TRIG:
he->data2 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN);
he->data5 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_HE_LTF_NUM_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS);
break;
case RATE_MCS_HE_TYPE_SU:
case RATE_MCS_HE_TYPE_EXT_SU:
he->data1 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN);
he->data3 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_BEAM_CHNG,
he_phy_data),
IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE);
break;
}
switch (FIELD_GET(IWL_RX_HE_PHY_INFO_TYPE_MASK, he_phy_data)) {
case IWL_RX_HE_PHY_INFO_TYPE_MU:
case IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO:
case IWL_RX_HE_PHY_INFO_TYPE_TB:
iwl_mvm_decode_he_phy_ru_alloc(he_phy_data, rate_n_flags,
he, he_mu, rx_status);
break;
default:
/* nothing */
break;
}
}
static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_rx_mpdu_desc *desc,
u32 rate_n_flags, u16 phy_info, int queue)
@ -933,9 +1112,8 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
u64 he_phy_data = HE_PHY_DATA_INVAL;
struct ieee80211_radiotap_he *he = NULL;
struct ieee80211_radiotap_he_mu *he_mu = NULL;
u32 he_type = 0xffffffff;
u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
u8 stbc, ltf;
static const struct ieee80211_radiotap_he known = {
.data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
@ -953,25 +1131,19 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
};
unsigned int radiotap_len = 0;
bool overload = phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD;
bool sigb_data = false;
he = skb_put_data(skb, &known, sizeof(known));
radiotap_len += sizeof(known);
rx_status->flag |= RX_FLAG_RADIOTAP_HE;
he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK;
if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) {
if (mvm->trans->cfg->device_family >=
IWL_DEVICE_FAMILY_22560)
if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560)
he_phy_data = le64_to_cpu(desc->v3.he_phy_data);
else
he_phy_data = le64_to_cpu(desc->v1.he_phy_data);
if (he_type == RATE_MCS_HE_TYPE_MU) {
he_mu = skb_put_data(skb, &mu_known,
sizeof(mu_known));
he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known));
radiotap_len += sizeof(mu_known);
rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU;
}
@ -980,59 +1152,20 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
/* temporarily hide the radiotap data */
__skb_pull(skb, radiotap_len);
if (overload && he_type == RATE_MCS_HE_TYPE_SU) {
he->data1 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN);
if (FIELD_GET(IWL_RX_HE_PHY_UPLINK, he_phy_data))
he->data3 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA3_UL_DL);
if (he_phy_data != HE_PHY_DATA_INVAL &&
he_type == RATE_MCS_HE_TYPE_SU) {
/* report the AMPDU-EOF bit on single frames */
if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN;
if (FIELD_GET(IWL_RX_HE_PHY_DELIM_EOF, he_phy_data))
rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT;
}
} else if (overload && he_mu && he_phy_data != HE_PHY_DATA_INVAL) {
he_mu->flags1 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIBG_SYM_OR_USER_NUM_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS);
he_mu->flags1 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_DCM,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM);
he_mu->flags1 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_MCS_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS);
he_mu->flags2 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_COMPRESSION,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP);
he_mu->flags2 |=
le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_PREAMBLE_PUNC_TYPE_MASK,
he_phy_data),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW);
sigb_data = FIELD_GET(IWL_RX_HE_PHY_INFO_TYPE_MASK,
he_phy_data) ==
IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO;
if (sigb_data)
iwl_mvm_decode_he_sigb(mvm, desc, rate_n_flags, he_mu);
}
if (he_phy_data != HE_PHY_DATA_INVAL &&
(he_type == RATE_MCS_HE_TYPE_SU ||
he_type == RATE_MCS_HE_TYPE_MU)) {
u8 bss_color = FIELD_GET(IWL_RX_HE_PHY_BSS_COLOR_MASK,
he_phy_data);
if (bss_color) {
he->data1 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN);
he->data3 |= cpu_to_le16(bss_color);
}
}
if (he_phy_data != HE_PHY_DATA_INVAL)
iwl_mvm_decode_he_phy_data(mvm, desc, he, he_mu, rx_status,
he_phy_data, rate_n_flags, queue);
/* update aggregation data for monitor sake on default queue */
if (!queue && (phy_info & IWL_RX_MPDU_PHY_AMPDU)) {
@ -1056,84 +1189,12 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
}
if (he_phy_data != HE_PHY_DATA_INVAL &&
(FIELD_GET(IWL_RX_HE_PHY_INFO_TYPE_MASK, he_phy_data) ==
IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO ||
FIELD_GET(IWL_RX_HE_PHY_INFO_TYPE_MASK, he_phy_data) ==
IWL_RX_HE_PHY_INFO_TYPE_TB_EXT_INFO)) {
/*
* Unfortunately, we have to leave the mac80211 data
* incorrect for the case that we receive an HE-MU
* transmission and *don't* have the HE phy data (due
* to the bits being used for TSF). This shouldn't
* happen though as management frames where we need
* the TSF/timers are not be transmitted in HE-MU.
*/
u8 ru = FIELD_GET(IWL_RX_HE_PHY_RU_ALLOC_MASK, he_phy_data);
u8 offs = 0;
rx_status->bw = RATE_INFO_BW_HE_RU;
/* actually data is filled in mac80211 */
if (he_type == RATE_MCS_HE_TYPE_SU ||
he_type == RATE_MCS_HE_TYPE_EXT_SU)
he->data1 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
switch (ru) {
case 0 ... 36:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
offs = ru;
break;
case 37 ... 52:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
offs = ru - 37;
break;
case 53 ... 60:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
offs = ru - 53;
break;
case 61 ... 64:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
offs = ru - 61;
break;
case 65 ... 66:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
offs = ru - 65;
break;
case 67:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
break;
case 68:
rx_status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
break;
}
he->data2 |=
le16_encode_bits(offs,
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
he->data2 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN |
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN);
if (he_phy_data & IWL_RX_HE_PHY_RU_ALLOC_SEC80)
he->data2 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC);
if (he_mu) {
#define CHECK_BW(bw) \
BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_ ## bw ## MHZ != \
RATE_MCS_CHAN_WIDTH_##bw >> RATE_MCS_CHAN_WIDTH_POS)
CHECK_BW(20);
CHECK_BW(40);
CHECK_BW(80);
CHECK_BW(160);
he->data2 |=
le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK,
rate_n_flags),
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW);
}
} else if (he_type == RATE_MCS_HE_TYPE_SU ||
he_type == RATE_MCS_HE_TYPE_EXT_SU) {
he->data1 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
}
stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> RATE_MCS_STBC_POS;
rx_status->nss =
((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >>
@ -1202,9 +1263,8 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
he->data5 |= le16_encode_bits(ltf, IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
switch (he_type) {
case RATE_MCS_HE_TYPE_SU:
case RATE_MCS_HE_TYPE_EXT_SU: {
if (he_type == RATE_MCS_HE_TYPE_SU ||
he_type == RATE_MCS_HE_TYPE_EXT_SU) {
u16 val;
/* LTF syms correspond to streams */
@ -1234,31 +1294,10 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb,
rx_status->nss);
val = 0;
}
he->data5 |=
le16_encode_bits(val,
IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS);
}
break;
case RATE_MCS_HE_TYPE_MU: {
u16 val;
if (he_phy_data == HE_PHY_DATA_INVAL)
break;
val = FIELD_GET(IWL_RX_HE_PHY_HE_LTF_NUM_MASK,
he_phy_data);
he->data2 |=
cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN);
he->data5 |=
cpu_to_le16(FIELD_PREP(
IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS,
val));
}
break;
case RATE_MCS_HE_TYPE_TRIG:
/* not supported */
break;
}
}
@ -1424,6 +1463,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
u8 baid = (u8)((le32_to_cpu(desc->reorder_data) &
IWL_RX_MPDU_REORDER_BAID_MASK) >>
IWL_RX_MPDU_REORDER_BAID_SHIFT);
struct iwl_fw_dbg_trigger_tlv *trig;
struct ieee80211_vif *vif = mvmsta->vif;
if (!mvm->tcm.paused && len >= sizeof(*hdr) &&
!is_multicast_ether_addr(hdr->addr1) &&
@ -1436,8 +1477,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
* frames from a blocked station on a new channel we can
* TX to it again.
*/
if (unlikely(tx_blocked_vif) &&
tx_blocked_vif == mvmsta->vif) {
if (unlikely(tx_blocked_vif) && tx_blocked_vif == vif) {
struct iwl_mvm_vif *mvmvif =
iwl_mvm_vif_from_mac80211(tx_blocked_vif);
@ -1448,23 +1488,18 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
rs_update_last_rssi(mvm, mvmsta, rx_status);
if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&
ieee80211_is_beacon(hdr->frame_control)) {
struct iwl_fw_dbg_trigger_tlv *trig;
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_RSSI);
if (trig && ieee80211_is_beacon(hdr->frame_control)) {
struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
bool trig_check;
s32 rssi;
trig = iwl_fw_dbg_get_trigger(mvm->fw,
FW_DBG_TRIGGER_RSSI);
rssi_trig = (void *)trig->data;
rssi = le32_to_cpu(rssi_trig->rssi);
trig_check =
iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(mvmsta->vif),
trig);
if (trig_check && rx_status->signal < rssi)
if (rx_status->signal < rssi)
iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
NULL);
}

3
drivers/net/wireless/intel/iwlwifi/mvm/scan.c
View File

@ -1448,6 +1448,9 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED)
cmd->v8.num_of_fragments[SCAN_HB_LMAC_IDX] =
IWL_SCAN_NUM_OF_FRAGS;
cmd->v8.general_flags2 =
IWL_UMAC_SCAN_GEN_FLAGS2_ALLOW_CHNL_REORDER;
}
cmd->scan_start_mac_id = scan_vif->id;

11
drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
View File

@ -254,17 +254,14 @@ static void iwl_mvm_te_check_trigger(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_time_event *te_trig;
int i;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TIME_EVENT))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
ieee80211_vif_to_wdev(te_data->vif),
FW_DBG_TRIGGER_TIME_EVENT);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TIME_EVENT);
te_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(te_data->vif),
trig))
return;
for (i = 0; i < ARRAY_SIZE(te_trig->time_events); i++) {
u32 trig_te_id = le32_to_cpu(te_trig->time_events[i].id);
u32 trig_action_bitmap =

15
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
View File

@ -79,15 +79,12 @@ iwl_mvm_bar_check_trigger(struct iwl_mvm *mvm, const u8 *addr,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, FW_DBG_TRIGGER_BA);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
return;
if (!(le16_to_cpu(ba_trig->tx_bar) & BIT(tid)))
return;
@ -1414,15 +1411,13 @@ static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tx_status *status_trig;
int i;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TX_STATUS))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL,
FW_DBG_TRIGGER_TX_STATUS);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TX_STATUS);
status_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
return;
for (i = 0; i < ARRAY_SIZE(status_trig->statuses); i++) {
/* don't collect on status 0 */
if (!status_trig->statuses[i].status)

16
drivers/net/wireless/intel/iwlwifi/mvm/utils.c
View File

@ -1238,14 +1238,12 @@ void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_mlme *trig_mlme;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_MLME);
if (!trig)
goto out;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
trig_mlme = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(vif), trig))
goto out;
if (trig_mlme->stop_connection_loss &&
--trig_mlme->stop_connection_loss)
@ -1430,14 +1428,12 @@ void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
FW_DBG_TRIGGER_BA);
if (!trig)
return;
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
ieee80211_vif_to_wdev(vif), trig))
return;
if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(tid)))
return;

30
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
View File

@ -1144,6 +1144,14 @@ void iwl_pcie_rx_free(struct iwl_trans *trans)
kfree(trans_pcie->rxq);
}
static void iwl_pcie_rx_move_to_allocator(struct iwl_rxq *rxq,
struct iwl_rb_allocator *rba)
{
spin_lock(&rba->lock);
list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty);
spin_unlock(&rba->lock);
}
/*
* iwl_pcie_rx_reuse_rbd - Recycle used RBDs
*
@ -1175,9 +1183,7 @@ static void iwl_pcie_rx_reuse_rbd(struct iwl_trans *trans,
if ((rxq->used_count % RX_CLAIM_REQ_ALLOC) == RX_POST_REQ_ALLOC) {
/* Move the 2 RBDs to the allocator ownership.
Allocator has another 6 from pool for the request completion*/
spin_lock(&rba->lock);
list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty);
spin_unlock(&rba->lock);
iwl_pcie_rx_move_to_allocator(rxq, rba);
atomic_inc(&rba->req_pending);
queue_work(rba->alloc_wq, &rba->rx_alloc);
@ -1400,10 +1406,18 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans, int queue)
IWL_DEBUG_RX(trans, "Q %d: HW = SW = %d\n", rxq->id, r);
while (i != r) {
struct iwl_rb_allocator *rba = &trans_pcie->rba;
struct iwl_rx_mem_buffer *rxb;
/* number of RBDs still waiting for page allocation */
u32 rb_pending_alloc =
atomic_read(&trans_pcie->rba.req_pending) *
RX_CLAIM_REQ_ALLOC;
if (unlikely(rxq->used_count == rxq->queue_size / 2))
if (unlikely(rb_pending_alloc >= rxq->queue_size / 2 &&
!emergency)) {
iwl_pcie_rx_move_to_allocator(rxq, rba);
emergency = true;
}
rxb = iwl_pcie_get_rxb(trans, rxq, i);
if (!rxb)
@ -1425,17 +1439,13 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans, int queue)
iwl_pcie_rx_allocator_get(trans, rxq);
if (rxq->used_count % RX_CLAIM_REQ_ALLOC == 0 && !emergency) {
struct iwl_rb_allocator *rba = &trans_pcie->rba;
/* Add the remaining empty RBDs for allocator use */
spin_lock(&rba->lock);
list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty);
spin_unlock(&rba->lock);
iwl_pcie_rx_move_to_allocator(rxq, rba);
} else if (emergency) {
count++;
if (count == 8) {
count = 0;
if (rxq->used_count < rxq->queue_size / 3)
if (rb_pending_alloc < rxq->queue_size / 3)
emergency = false;
rxq->read = i;

2
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View File

@ -931,7 +931,7 @@ void iwl_pcie_apply_destination(struct iwl_trans *trans)
else
IWL_WARN(trans, "PCI should have external buffer debug\n");
for (i = 0; i < trans->dbg_dest_reg_num; i++) {
for (i = 0; i < trans->dbg_n_dest_reg; i++) {
u32 addr = le32_to_cpu(dest->reg_ops[i].addr);
u32 val = le32_to_cpu(dest->reg_ops[i].val);

2
drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
View File

@ -438,6 +438,8 @@ static int iwl_pcie_gen2_tx_add_frags(struct iwl_trans *trans,
return -ENOMEM;
tb_idx = iwl_pcie_gen2_set_tb(trans, tfd, tb_phys,
skb_frag_size(frag));
if (tb_idx < 0)
return tb_idx;
out_meta->tbs |= BIT(tb_idx);
}

2
drivers/net/wireless/intel/iwlwifi/pcie/tx.c
View File

@ -2013,6 +2013,8 @@ static int iwl_fill_data_tbs(struct iwl_trans *trans, struct sk_buff *skb,
return -EINVAL;
tb_idx = iwl_pcie_txq_build_tfd(trans, txq, tb_phys,
skb_frag_size(frag), false);
if (tb_idx < 0)
return tb_idx;
out_meta->tbs |= BIT(tb_idx);
}