diff options
| author | Amit Beka <amit.beka@intel.com> | 2012-03-07 09:52:29 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-03-08 13:59:52 -0500 |
| commit | 0aef8ddc8bedac1db4c96fddc9fb1b44b730cf4f (patch) | |
| tree | 5d1e270ed94fc179643d7d4229aa4e7959c35e85 /drivers/net/wireless/iwlwifi/iwl-testmode.c | |
| parent | 8722c899a07f45457464803142bd1c2d2a2c3bd8 (diff) | |
| download | linux-0aef8ddc8bedac1db4c96fddc9fb1b44b730cf4f.tar.gz | |
iwlwifi: add testmode command for rx forwarding
Added a testmode command which tells iwl_rx_dispatch
to send the RX both as a notification to nl80211 and
with the registered RX handlers.
This is used for monitoring RX from userspace while preserving
the regular flows in the driver.
Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-testmode.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-testmode.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.c b/drivers/net/wireless/iwlwifi/iwl-testmode.c index 1d732092ebe7..b8044bcd5044 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.c +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.c @@ -125,6 +125,8 @@ struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = { [IWL_TM_ATTR_FW_TYPE] = { .type = NLA_U32, }, [IWL_TM_ATTR_FW_INST_SIZE] = { .type = NLA_U32, }, [IWL_TM_ATTR_FW_DATA_SIZE] = { .type = NLA_U32, }, + + [IWL_TM_ATTR_ENABLE_NOTIFICATION] = {.type = NLA_FLAG, }, }; /* @@ -194,7 +196,7 @@ nla_put_failure: void iwl_testmode_init(struct iwl_priv *priv) { - priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; + priv->pre_rx_handler = NULL; priv->testmode_trace.trace_enabled = false; priv->testmode_mem.read_in_progress = false; } @@ -770,9 +772,13 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) } owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]); - if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM)) + if (owner == IWL_OWNERSHIP_DRIVER) { priv->ucode_owner = owner; - else { + priv->pre_rx_handler = NULL; + } else if (owner == IWL_OWNERSHIP_TM) { + priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; + priv->ucode_owner = owner; + } else { IWL_ERR(priv, "Invalid owner\n"); return -EINVAL; } @@ -937,6 +943,20 @@ static int iwl_testmode_buffer_dump(struct ieee80211_hw *hw, return -ENOBUFS; } +static int iwl_testmode_notifications(struct ieee80211_hw *hw, + struct nlattr **tb) +{ + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); + bool enable; + + enable = nla_get_flag(tb[IWL_TM_ATTR_ENABLE_NOTIFICATION]); + if (enable) + priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; + else + priv->pre_rx_handler = NULL; + return 0; +} + /* The testmode gnl message handler that takes the gnl message from the * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then @@ -1022,6 +1042,12 @@ int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) result = iwl_testmode_indirect_mem(hw, tb); break; + case IWL_TM_CMD_APP2DEV_NOTIFICATIONS: + IWL_DEBUG_INFO(priv, "testmode notifications cmd " + "to driver\n"); + result = iwl_testmode_notifications(hw, tb); + break; + default: IWL_ERR(priv, "Unknown testmode command\n"); result = -ENOSYS; |