/****************************************************************************** * * GPL LICENSE SUMMARY * * Copyright(c) 2008 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, * USA * * The full GNU General Public License is included in this distribution * in the file called LICENSE.GPL. * * Contact Information: * Intel Linux Wireless * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *****************************************************************************/ #include #include #include "iwl-dev.h" #include "iwl-debug.h" #include "iwl-commands.h" /** * iwl_check_rxon_cmd - validate RXON structure is valid * * NOTE: This is really only useful during development and can eventually * be #ifdef'd out once the driver is stable and folks aren't actively * making changes */ int iwl_agn_check_rxon_cmd(struct iwl_priv *priv) { int error = 0; int counter = 1; struct iwl_rxon_cmd *rxon = &priv->staging_rxon; if (rxon->flags & RXON_FLG_BAND_24G_MSK) { error |= le32_to_cpu(rxon->flags & (RXON_FLG_TGJ_NARROW_BAND_MSK | RXON_FLG_RADAR_DETECT_MSK)); if (error) IWL_WARN(priv, "check 24G fields %d | %d\n", counter++, error); } else { error |= (rxon->flags & RXON_FLG_SHORT_SLOT_MSK) ? 0 : le32_to_cpu(RXON_FLG_SHORT_SLOT_MSK); if (error) IWL_WARN(priv, "check 52 fields %d | %d\n", counter++, error); error |= le32_to_cpu(rxon->flags & RXON_FLG_CCK_MSK); if (error) IWL_WARN(priv, "check 52 CCK %d | %d\n", counter++, error); } error |= (rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1; if (error) IWL_WARN(priv, "check mac addr %d | %d\n", counter++, error); /* make sure basic rates 6Mbps and 1Mbps are supported */ error |= (((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0) && ((rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0)); if (error) IWL_WARN(priv, "check basic rate %d | %d\n", counter++, error); error |= (le16_to_cpu(rxon->assoc_id) > 2007); if (error) IWL_WARN(priv, "check assoc id %d | %d\n", counter++, error); error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) == (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)); if (error) IWL_WARN(priv, "check CCK and short slot %d | %d\n", counter++, error); error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) == (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)); if (error) IWL_WARN(priv, "check CCK & auto detect %d | %d\n", counter++, error); error |= ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK | RXON_FLG_TGG_PROTECT_MSK)) == RXON_FLG_TGG_PROTECT_MSK); if (error) IWL_WARN(priv, "check TGG and auto detect %d | %d\n", counter++, error); if (error) IWL_WARN(priv, "Tuning to channel %d\n", le16_to_cpu(rxon->channel)); if (error) { IWL_ERR(priv, "Not a valid iwl_rxon_assoc_cmd field values\n"); return -1; } return 0; }