diff options
| author | Avinash Patil <patila@marvell.com> | 2015-06-03 16:59:43 +0530 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-06-08 11:42:00 +0300 |
| commit | 3e6f8a4b955f260c699d518486494faaad3160c2 (patch) | |
| tree | 8d1801e80e97e124a4366ac9ea69495be53b5e08 /drivers/net/wireless/mwifiex | |
| parent | e4f59aca0b6317cfd567f5050938fb95992109dd (diff) | |
| download | op-kernel-dev-3e6f8a4b955f260c699d518486494faaad3160c2.zip op-kernel-dev-3e6f8a4b955f260c699d518486494faaad3160c2.tar.gz | |
mwifiex: drop block-ack action frames
We often see ADDBA request packets coming to driver because driver
has registered for action frame subtype. We dont process BA action
frames in host; drop such frames.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Xinmin Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/mwifiex')
| -rw-r--r-- | drivers/net/wireless/mwifiex/util.c | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c index 2e3dc07..790e619 100644 --- a/drivers/net/wireless/mwifiex/util.c +++ b/drivers/net/wireless/mwifiex/util.c @@ -329,7 +329,7 @@ mwifiex_parse_mgmt_packet(struct mwifiex_private *priv, u8 *payload, u16 len, struct rxpd *rx_pd) { u16 stype; - u8 category, action_code; + u8 category, action_code, *addr2; struct ieee80211_hdr *ieee_hdr = (void *)payload; stype = (le16_to_cpu(ieee_hdr->frame_control) & IEEE80211_FCTL_STYPE); @@ -337,21 +337,35 @@ mwifiex_parse_mgmt_packet(struct mwifiex_private *priv, u8 *payload, u16 len, 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) { + switch (category) { + case WLAN_CATEGORY_PUBLIC: + action_code = *(payload + sizeof(struct ieee80211_hdr) + + 1); + if (action_code == WLAN_PUB_ACTION_TDLS_DISCOVER_RES) { + addr2 = ieee_hdr->addr2; + mwifiex_dbg(priv->adapter, INFO, + "TDLS discovery response %pM nf=%d, snr=%d\n", + addr2, rx_pd->nf, rx_pd->snr); + mwifiex_auto_tdls_update_peer_signal(priv, + addr2, + rx_pd->snr, + rx_pd->nf); + } + break; + case WLAN_CATEGORY_BACK: + /*we dont indicate BACK action frames to cfg80211*/ + mwifiex_dbg(priv->adapter, INFO, + "drop BACK action frames"); + return -1; + default: mwifiex_dbg(priv->adapter, INFO, - "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); + "unknown public action frame category %d\n", + category); } - break; default: mwifiex_dbg(priv->adapter, INFO, - "unknown mgmt frame subtype %#x\n", stype); + "unknown mgmt frame subtype %#x\n", stype); + return 0; } return 0; @@ -387,8 +401,9 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv, 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); + if (mwifiex_parse_mgmt_packet(priv, (u8 *)ieee_hdr, + pkt_len, rx_pd)) + return -1; } /* Remove address4 */ memmove(skb->data + sizeof(struct ieee80211_hdr_3addr), |
