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iwlwifi: mvm: Support new version of BEACON_TEMPLATE_CMD.

Browse source 
As part of the new rate_n_flags, a new version of
BEACON_TEMPLATE_CMD was added in FW in order to support
the new rate_n_flags.
Add support for the new version.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211017162352.b42e67f14293.Ic3f1ed8cb3a31cfaa51174497dd993936b00d398@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Miri Korenblit 2021-10-17 16:25:56 +03:00 • committed by Luca Coelho
parent d35d95ce8b
commit cd2c46a7eb
4 changed files with 41 additions and 17 deletions
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21
drivers/net/wireless/intel/iwlwifi/fw/api/tx.h
View file

@ -757,11 +757,20 @@ struct iwl_mac_beacon_cmd_v7 {
struct ieee80211_hdr frame[];
} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_7 */
/* Bit flags for BEACON_TEMPLATE_CMD_API until version 10 */
enum iwl_mac_beacon_flags_v1 {
IWL_MAC_BEACON_CCK_V1 = BIT(8),
IWL_MAC_BEACON_ANT_A_V1 = BIT(9),
IWL_MAC_BEACON_ANT_B_V1 = BIT(10),
IWL_MAC_BEACON_FILS_V1 = BIT(12),
};
/* Bit flags for BEACON_TEMPLATE_CMD_API version 11 and above */
enum iwl_mac_beacon_flags {
IWL_MAC_BEACON_CCK = BIT(8),
IWL_MAC_BEACON_ANT_A = BIT(9),
IWL_MAC_BEACON_ANT_B = BIT(10),
IWL_MAC_BEACON_FILS = BIT(12),
IWL_MAC_BEACON_CCK = BIT(5),
IWL_MAC_BEACON_ANT_A = BIT(6),
IWL_MAC_BEACON_ANT_B = BIT(7),
IWL_MAC_BEACON_FILS = BIT(8),
};
/**
@ -789,7 +798,9 @@ struct iwl_mac_beacon_cmd {
__le32 ecsa_offset;
__le32 csa_offset;
struct ieee80211_hdr frame[];
} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_10 */
} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_10,
BEACON_TEMPLATE_CMD_API_S_VER_11,
BEACON_TEMPLATE_CMD_API_S_VER_12 */
struct iwl_beacon_notif {
struct iwl_mvm_tx_resp beacon_notify_hdr;

8
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
View file

@ -1193,7 +1193,6 @@ static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
struct ieee80211_tx_info *info;
struct iwl_mac_beacon_cmd beacon_cmd = {};
u8 rate;
u16 flags;
int i;
len /= 2;
@ -1240,12 +1239,9 @@ static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
mvmvif = iwl_mvm_vif_from_mac80211(vif);
info = IEEE80211_SKB_CB(beacon);
rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
flags = iwl_mvm_mac80211_idx_to_hwrate(mvm->fw, rate);
if (rate == IWL_FIRST_CCK_RATE)
flags |= IWL_MAC_BEACON_CCK;
beacon_cmd.flags = cpu_to_le16(flags);
beacon_cmd.flags =
cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate));
beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);

27
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View file

@ -812,6 +812,21 @@ u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct ieee80211_tx_info *info,
return rate;
}
u16 iwl_mvm_mac_ctxt_get_beacon_flags(const struct iwl_fw *fw, u8 rate_idx)
{
u16 flags = iwl_mvm_mac80211_idx_to_hwrate(fw, rate_idx);
bool is_new_rate = iwl_fw_lookup_cmd_ver(fw,
LONG_GROUP,
BEACON_TEMPLATE_CMD,
0) > 10;
if (rate_idx <= IWL_FIRST_CCK_RATE)
flags |= is_new_rate ? IWL_MAC_BEACON_CCK
: IWL_MAC_BEACON_CCK_V1;
return flags;
}
static void iwl_mvm_mac_ctxt_set_tx(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct sk_buff *beacon,
@ -930,11 +945,7 @@ static int iwl_mvm_mac_ctxt_send_beacon_v9(struct iwl_mvm *mvm,
u16 flags;
struct ieee80211_chanctx_conf *ctx;
int channel;
flags = iwl_mvm_mac80211_idx_to_hwrate(mvm->fw, rate);
if (rate == IWL_FIRST_CCK_RATE)
flags |= IWL_MAC_BEACON_CCK;
flags = iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate);
/* Enable FILS on PSC channels only */
rcu_read_lock();
@ -943,7 +954,11 @@ static int iwl_mvm_mac_ctxt_send_beacon_v9(struct iwl_mvm *mvm,
WARN_ON(channel == 0);
if (cfg80211_channel_is_psc(ctx->def.chan) &&
!IWL_MVM_DISABLE_AP_FILS) {
flags |= IWL_MAC_BEACON_FILS;
flags |= iwl_fw_lookup_cmd_ver(mvm->fw, LONG_GROUP,
BEACON_TEMPLATE_CMD,
0) > 10 ?
IWL_MAC_BEACON_FILS :
IWL_MAC_BEACON_FILS_V1;
beacon_cmd.short_ssid =
cpu_to_le32(~crc32_le(~0, vif->bss_conf.ssid,
vif->bss_conf.ssid_len));

2
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View file

@ -1629,6 +1629,8 @@ int iwl_mvm_mac_ctxt_send_beacon_cmd(struct iwl_mvm *mvm,
void *data, int len);
u8 iwl_mvm_mac_ctxt_get_lowest_rate(struct ieee80211_tx_info *info,
struct ieee80211_vif *vif);
u16 iwl_mvm_mac_ctxt_get_beacon_flags(const struct iwl_fw *fw,
u8 rate_idx);
void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm,
__le32 *tim_index, __le32 *tim_size,
u8 *beacon, u32 frame_size);