diff options
| author | Mordechay Goodstein <mordechay.goodstein@intel.com> | 2020-09-24 16:23:36 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2020-10-01 21:56:47 +0300 |
| commit | 885375d0bb9ffef979e1a0e52396d25817f750af (patch) | |
| tree | ce63799dce600ac4bc994887bf739d87be043091 /drivers/net/wireless/intel/iwlwifi/iwl-trans.h | |
| parent | a26014e2de3fff25a0647be40c84b9161b4962bc (diff) | |
iwlwifi: iwl-trans: move tfd to trans layer
The tfd_* code is not directly related to the PCIe transport,
so move the structures it uses to the common iwl-trans.h header.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200924162105.a1a2ce2bce38.Ieada0fe087ebcc9bc84e22fc5abc9dba8914dd9f@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-trans.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index dbcd89e9546b..868aa3b0f797 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -215,6 +215,12 @@ struct iwl_device_tx_cmd { */ #define IWL_MAX_CMD_TBS_PER_TFD 2 +/* We need 2 entries for the TX command and header, and another one might + * be needed for potential data in the SKB's head. The remaining ones can + * be used for frags. + */ +#define IWL_TRANS_MAX_FRAGS(trans) ((trans)->txqs.tfd.max_tbs - 3) + /** * enum iwl_hcmd_dataflag - flag for each one of the chunks of the command * @@ -922,6 +928,11 @@ struct iwl_trans_txqs { unsigned int wdg_timeout; } cmd; + struct { + u8 max_tbs; + u16 size; + u8 addr_size; + } tfd; }; /** |