diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-07-08 20:45:17 +0400 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-07-22 20:21:10 +0400 |
| commit | 48eb7b34ff027392985fae213c4d1d0fcc425b9c (patch) | |
| tree | 29099ec53abb87436115fe463cdce84bab032946 /drivers/net/wireless/iwlwifi/pcie | |
| parent | 074279abb93566b3c33c3ef4aecf3e587251880b (diff) | |
| download | linux-48eb7b34ff027392985fae213c4d1d0fcc425b9c.tar.xz | |
iwlwifi: split fw-error-dump between transport and mvm
The mvm op_mode won't allocate the buffer for the transport
any more. The transport allocates its own buffer and mvm
is in charge of splicing the buffers in the debugfs hook.
This makes the repartition easier to handle.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 5b5b0d8c6f60..a90292c79342 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -67,6 +67,7 @@ #include <linux/sched.h> #include <linux/bitops.h> #include <linux/gfp.h> +#include <linux/vmalloc.h> #include "iwl-drv.h" #include "iwl-trans.h" @@ -1773,28 +1774,30 @@ static u32 iwl_trans_pcie_get_cmdlen(struct iwl_tfd *tfd) return cmdlen; } -static u32 iwl_trans_pcie_dump_data(struct iwl_trans *trans, - void *buf, u32 buflen) +static +struct iwl_trans_dump_data *iwl_trans_pcie_dump_data(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_fw_error_dump_data *data; struct iwl_txq *cmdq = &trans_pcie->txq[trans_pcie->cmd_queue]; struct iwl_fw_error_dump_txcmd *txcmd; + struct iwl_trans_dump_data *dump_data; u32 len; int i, ptr; - len = sizeof(*data) + + len = sizeof(*dump_data) + sizeof(*data) + cmdq->q.n_window * (sizeof(*txcmd) + TFD_MAX_PAYLOAD_SIZE); if (trans_pcie->fw_mon_page) len += sizeof(*data) + sizeof(struct iwl_fw_error_dump_fw_mon) + trans_pcie->fw_mon_size; - if (!buf) - return len; + dump_data = vzalloc(len); + if (!dump_data) + return NULL; len = 0; - data = buf; + data = (void *)dump_data->data; data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_TXCMD); txcmd = (void *)data->data; spin_lock_bh(&cmdq->lock); @@ -1852,7 +1855,9 @@ static u32 iwl_trans_pcie_dump_data(struct iwl_trans *trans, trans_pcie->fw_mon_size; } - return len; + dump_data->len = len; + + return dump_data; } #else static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans, |