diff options
author | Dan Williams <dcbw@redhat.com> | 2010-07-27 12:56:05 -0700 |
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committer | John W. Linville <linville@tuxdriver.com> | 2010-07-27 15:07:30 -0400 |
commit | cc4b9d3928d682c4a15690c2bd9ed11c2eac5921 (patch) | |
tree | 36bb70576b32bbdd148f4c71e54c09a0ed500042 /drivers/net/wireless/libertas/cmd.c | |
parent | 9fb7663d2b832183ec7558a19426666819636a64 (diff) | |
download | kernel_samsung_smdk4412-cc4b9d3928d682c4a15690c2bd9ed11c2eac5921.zip kernel_samsung_smdk4412-cc4b9d3928d682c4a15690c2bd9ed11c2eac5921.tar.gz kernel_samsung_smdk4412-cc4b9d3928d682c4a15690c2bd9ed11c2eac5921.tar.bz2 |
libertas: convert 11D_DOMAIN_INFO to a direct command
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/libertas/cmd.c')
-rw-r--r-- | drivers/net/wireless/libertas/cmd.c | 188 |
1 files changed, 123 insertions, 65 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index e95f80d..2aa362f 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -725,6 +725,129 @@ int lbs_get_rssi(struct lbs_private *priv, s8 *rssi, s8 *nf) return ret; } +/** + * @brief Send regulatory and 802.11d domain information to the firmware + * + * @param priv pointer to struct lbs_private + * @param request cfg80211 regulatory request structure + * @param bands the device's supported bands and channels + * + * @return 0 on success, error code on failure +*/ +int lbs_set_11d_domain_info(struct lbs_private *priv, + struct regulatory_request *request, + struct ieee80211_supported_band **bands) +{ + struct cmd_ds_802_11d_domain_info cmd; + struct mrvl_ie_domain_param_set *domain = &cmd.domain; + struct ieee80211_country_ie_triplet *t; + enum ieee80211_band band; + struct ieee80211_channel *ch; + u8 num_triplet = 0; + u8 num_parsed_chan = 0; + u8 first_channel = 0, next_chan = 0, max_pwr = 0; + u8 i, flag = 0; + size_t triplet_size; + int ret; + + lbs_deb_enter(LBS_DEB_11D); + + memset(&cmd, 0, sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_SET); + + lbs_deb_11d("Setting country code '%c%c'\n", + request->alpha2[0], request->alpha2[1]); + + domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN); + + /* Set country code */ + domain->country_code[0] = request->alpha2[0]; + domain->country_code[1] = request->alpha2[1]; + domain->country_code[2] = ' '; + + /* Now set up the channel triplets; firmware is somewhat picky here + * and doesn't validate channel numbers and spans; hence it would + * interpret a triplet of (36, 4, 20) as channels 36, 37, 38, 39. Since + * the last 3 aren't valid channels, the driver is responsible for + * splitting that up into 4 triplet pairs of (36, 1, 20) + (40, 1, 20) + * etc. + */ + for (band = 0; + (band < IEEE80211_NUM_BANDS) && (num_triplet < MAX_11D_TRIPLETS); + band++) { + + if (!bands[band]) + continue; + + for (i = 0; + (i < bands[band]->n_channels) && (num_triplet < MAX_11D_TRIPLETS); + i++) { + ch = &bands[band]->channels[i]; + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (!flag) { + flag = 1; + next_chan = first_channel = (u32) ch->hw_value; + max_pwr = ch->max_power; + num_parsed_chan = 1; + continue; + } + + if ((ch->hw_value == next_chan + 1) && + (ch->max_power == max_pwr)) { + /* Consolidate adjacent channels */ + next_chan++; + num_parsed_chan++; + } else { + /* Add this triplet */ + lbs_deb_11d("11D triplet (%d, %d, %d)\n", + first_channel, num_parsed_chan, + max_pwr); + t = &domain->triplet[num_triplet]; + t->chans.first_channel = first_channel; + t->chans.num_channels = num_parsed_chan; + t->chans.max_power = max_pwr; + num_triplet++; + flag = 0; + } + } + + if (flag) { + /* Add last triplet */ + lbs_deb_11d("11D triplet (%d, %d, %d)\n", first_channel, + num_parsed_chan, max_pwr); + t = &domain->triplet[num_triplet]; + t->chans.first_channel = first_channel; + t->chans.num_channels = num_parsed_chan; + t->chans.max_power = max_pwr; + num_triplet++; + } + } + + lbs_deb_11d("# triplets %d\n", num_triplet); + + /* Set command header sizes */ + triplet_size = num_triplet * sizeof(struct ieee80211_country_ie_triplet); + domain->header.len = cpu_to_le16(sizeof(domain->country_code) + + triplet_size); + + lbs_deb_hex(LBS_DEB_11D, "802.11D domain param set", + (u8 *) &cmd.domain.country_code, + le16_to_cpu(domain->header.len)); + + cmd.hdr.size = cpu_to_le16(sizeof(cmd.hdr) + + sizeof(cmd.action) + + sizeof(cmd.domain.header) + + sizeof(cmd.domain.country_code) + + triplet_size); + + ret = lbs_cmd_with_response(priv, CMD_802_11D_DOMAIN_INFO, &cmd); + + lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret); + return ret; +} + static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr, u8 cmd_action, void *pdata_buf) { @@ -1006,66 +1129,6 @@ void lbs_set_mac_control(struct lbs_private *priv) } /** - * @brief This function implements command CMD_802_11D_DOMAIN_INFO - * @param priv pointer to struct lbs_private - * @param cmd pointer to cmd buffer - * @param cmdno cmd ID - * @param cmdOption cmd action - * @return 0 -*/ -int lbs_cmd_802_11d_domain_info(struct lbs_private *priv, - struct cmd_ds_command *cmd, - u16 cmdoption) -{ - struct cmd_ds_802_11d_domain_info *pdomaininfo = - &cmd->params.domaininfo; - struct mrvl_ie_domain_param_set *domain = &pdomaininfo->domain; - u8 nr_triplet = priv->domain_reg.no_triplet; - - lbs_deb_enter(LBS_DEB_11D); - - lbs_deb_11d("nr_triplet=%x\n", nr_triplet); - - pdomaininfo->action = cpu_to_le16(cmdoption); - if (cmdoption == CMD_ACT_GET) { - cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) + - sizeof(struct cmd_header)); - lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd, - le16_to_cpu(cmd->size)); - goto done; - } - - domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN); - memcpy(domain->countrycode, priv->domain_reg.country_code, - sizeof(domain->countrycode)); - - domain->header.len = cpu_to_le16(nr_triplet - * sizeof(struct ieee80211_country_ie_triplet) - + sizeof(domain->countrycode)); - - if (nr_triplet) { - memcpy(domain->triplet, priv->domain_reg.triplet, - nr_triplet * - sizeof(struct ieee80211_country_ie_triplet)); - - cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) + - le16_to_cpu(domain->header.len) + - sizeof(struct mrvl_ie_header) + - sizeof(struct cmd_header)); - } else { - cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) + - sizeof(struct cmd_header)); - } - - lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd, - le16_to_cpu(cmd->size)); - -done: - lbs_deb_enter(LBS_DEB_11D); - return 0; -} - -/** * @brief This function prepare the command before send to firmware. * * @param priv A pointer to struct lbs_private structure @@ -1154,11 +1217,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv, ret = 0; goto done; - case CMD_802_11D_DOMAIN_INFO: - cmdptr->command = cpu_to_le16(cmd_no); - ret = lbs_cmd_802_11d_domain_info(priv, cmdptr, cmd_action); - break; - case CMD_802_11_TPC_CFG: cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG); cmdptr->size = |