mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-05 18:13:26 -04:00
Code Issues Packages Projects Releases Wiki Activity

iwlwifi: mvm: sram hex dump on NIC error

Browse Source 
Add sram dump on NIC error for debug improvement.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Matti Gottlieb
2013-07-04 14:47:30 +03:00
committed by Johannes Berg
parent 961de6a5ee
commit 0c393d4eac
3 changed files with 26 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@@ -524,6 +524,7 @@ int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
enum ieee80211_band band);
u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
void iwl_mvm_dump_sram(struct iwl_mvm *mvm);
u8 first_antenna(u8 mask);
u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);

2
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@@ -678,6 +678,8 @@ static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
iwl_mvm_dump_nic_error_log(mvm);
if (!iwlwifi_mod_params.restart_fw)
iwl_mvm_dump_sram(mvm);
iwl_mvm_nic_restart(mvm);
}

23
drivers/net/wireless/iwlwifi/mvm/utils.c
View File

@@ -453,6 +453,29 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler);
}
void iwl_mvm_dump_sram(struct iwl_mvm *mvm)
{
const struct fw_img *img;
int ofs, len = 0;
u8 *buf;
if (!mvm->ucode_loaded)
return;
img = &mvm->fw->img[mvm->cur_ucode];
ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
len = img->sec[IWL_UCODE_SECTION_DATA].len;
buf = kzalloc(len, GFP_KERNEL);
if (!buf)
return;
iwl_trans_read_mem_bytes(mvm->trans, ofs, buf, len);
iwl_print_hex_error(mvm->trans, buf, len);
kfree(buf);
}
/**
* iwl_mvm_send_lq_cmd() - Send link quality command
* @init: This command is sent as part of station initialization right