diff options
author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-07-07 08:27:41 -0700 |
---|---|---|
committer | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-07-16 07:37:21 -0700 |
commit | e505c433d35900d98870a2e266759166a03030dc (patch) | |
tree | f794a04be235fb7a925b7adb0a507ae72e37fbc6 /drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | |
parent | 1ab9f6c11b003d086ae4890ea202cc3c66f5a17a (diff) |
iwlagn: remove un-necessary file
Most of the functions in iwl-agn-hcmd are move to other files, no point to
keep the file anymore.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rxon.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index dc64f251535..53e74752d13 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -303,6 +303,99 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, return 0; } +int iwlagn_set_pan_params(struct iwl_priv *priv) +{ + struct iwl_wipan_params_cmd cmd; + struct iwl_rxon_context *ctx_bss, *ctx_pan; + int slot0 = 300, slot1 = 0; + int ret; + + if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS)) + return 0; + + BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); + + lockdep_assert_held(&priv->mutex); + + ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS]; + ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN]; + + /* + * If the PAN context is inactive, then we don't need + * to update the PAN parameters, the last thing we'll + * have done before it goes inactive is making the PAN + * parameters be WLAN-only. + */ + if (!ctx_pan->is_active) + return 0; + + memset(&cmd, 0, sizeof(cmd)); + + /* only 2 slots are currently allowed */ + cmd.num_slots = 2; + + cmd.slots[0].type = 0; /* BSS */ + cmd.slots[1].type = 1; /* PAN */ + + if (priv->_agn.hw_roc_channel) { + /* both contexts must be used for this to happen */ + slot1 = priv->_agn.hw_roc_duration; + slot0 = IWL_MIN_SLOT_TIME; + } else if (ctx_bss->vif && ctx_pan->vif) { + int bcnint = ctx_pan->vif->bss_conf.beacon_int; + int dtim = ctx_pan->vif->bss_conf.dtim_period ?: 1; + + /* should be set, but seems unused?? */ + cmd.flags |= cpu_to_le16(IWL_WIPAN_PARAMS_FLG_SLOTTED_MODE); + + if (ctx_pan->vif->type == NL80211_IFTYPE_AP && + bcnint && + bcnint != ctx_bss->vif->bss_conf.beacon_int) { + IWL_ERR(priv, + "beacon intervals don't match (%d, %d)\n", + ctx_bss->vif->bss_conf.beacon_int, + ctx_pan->vif->bss_conf.beacon_int); + } else + bcnint = max_t(int, bcnint, + ctx_bss->vif->bss_conf.beacon_int); + if (!bcnint) + bcnint = DEFAULT_BEACON_INTERVAL; + slot0 = bcnint / 2; + slot1 = bcnint - slot0; + + if (test_bit(STATUS_SCAN_HW, &priv->status) || + (!ctx_bss->vif->bss_conf.idle && + !ctx_bss->vif->bss_conf.assoc)) { + slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME; + slot1 = IWL_MIN_SLOT_TIME; + } else if (!ctx_pan->vif->bss_conf.idle && + !ctx_pan->vif->bss_conf.assoc) { + slot1 = bcnint * 3 - IWL_MIN_SLOT_TIME; + slot0 = IWL_MIN_SLOT_TIME; + } + } else if (ctx_pan->vif) { + slot0 = 0; + slot1 = max_t(int, 1, ctx_pan->vif->bss_conf.dtim_period) * + ctx_pan->vif->bss_conf.beacon_int; + slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1); + + if (test_bit(STATUS_SCAN_HW, &priv->status)) { + slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME; + slot1 = IWL_MIN_SLOT_TIME; + } + } + + cmd.slots[0].width = cpu_to_le16(slot0); + cmd.slots[1].width = cpu_to_le16(slot1); + + ret = trans_send_cmd_pdu(priv, REPLY_WIPAN_PARAMS, CMD_SYNC, + sizeof(cmd), &cmd); + if (ret) + IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret); + + return ret; +} + /** * iwlagn_commit_rxon - commit staging_rxon to hardware * |