diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/util.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/util.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c index ec79c49de09..b1768fbf98f 100644 --- a/drivers/net/wireless/mwifiex/util.c +++ b/drivers/net/wireless/mwifiex/util.c @@ -141,6 +141,38 @@ int mwifiex_get_debug_info(struct mwifiex_private *priv, return 0; } +static int +mwifiex_parse_mgmt_packet(struct mwifiex_private *priv, u8 *payload, u16 len, + struct rxpd *rx_pd) +{ + u16 stype; + u8 category, action_code; + struct ieee80211_hdr *ieee_hdr = (void *)payload; + + stype = (le16_to_cpu(ieee_hdr->frame_control) & IEEE80211_FCTL_STYPE); + + switch (stype) { + case IEEE80211_STYPE_ACTION: + category = *(payload + sizeof(struct ieee80211_hdr)); + action_code = *(payload + sizeof(struct ieee80211_hdr) + 1); + if (category == WLAN_CATEGORY_PUBLIC && + action_code == WLAN_PUB_ACTION_TDLS_DISCOVER_RES) { + dev_dbg(priv->adapter->dev, + "TDLS discovery response %pM nf=%d, snr=%d\n", + ieee_hdr->addr2, rx_pd->nf, rx_pd->snr); + mwifiex_auto_tdls_update_peer_signal(priv, + ieee_hdr->addr2, + rx_pd->snr, + rx_pd->nf); + } + break; + default: + dev_dbg(priv->adapter->dev, + "unknown mgmt frame subytpe %#x\n", stype); + } + + return 0; +} /* * This function processes the received management packet and send it * to the kernel. @@ -151,6 +183,7 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv, { struct rxpd *rx_pd; u16 pkt_len; + struct ieee80211_hdr *ieee_hdr; if (!skb) return -1; @@ -162,6 +195,11 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv, pkt_len = le16_to_cpu(rx_pd->rx_pkt_length); + ieee_hdr = (void *)skb->data; + if (ieee80211_is_mgmt(ieee_hdr->frame_control)) { + mwifiex_parse_mgmt_packet(priv, (u8 *)ieee_hdr, + pkt_len, rx_pd); + } /* Remove address4 */ memmove(skb->data + sizeof(struct ieee80211_hdr_3addr), skb->data + sizeof(struct ieee80211_hdr), |