diff options
Diffstat (limited to 'wlantest/process.c')
| -rw-r--r-- | wlantest/process.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/wlantest/process.c b/wlantest/process.c index 6cdb10b..f740a64 100644 --- a/wlantest/process.c +++ b/wlantest/process.c @@ -100,6 +100,25 @@ static int rx_duplicate(struct wlantest *wt, const struct ieee80211_hdr *hdr, } +static void rx_ack(struct wlantest *wt, const struct ieee80211_hdr *hdr) +{ + struct ieee80211_hdr *last = (struct ieee80211_hdr *) wt->last_hdr; + u16 fc; + + if (wt->last_len < 24 || (last->addr1[0] & 0x01) || + os_memcmp(hdr->addr1, last->addr2, ETH_ALEN) != 0) { + wpa_printf(MSG_MSGDUMP, "Unknown Ack frame (previous frame " + "not seen)"); + return; + } + + /* Ack to the previous frame */ + fc = le_to_host16(last->frame_control); + if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT) + rx_mgmt_ack(wt, last); +} + + static void rx_frame(struct wlantest *wt, const u8 *data, size_t len) { const struct ieee80211_hdr *hdr; @@ -129,6 +148,8 @@ static void rx_frame(struct wlantest *wt, const u8 *data, size_t len) if (len < 10) break; wt->rx_ctrl++; + if (WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACK) + rx_ack(wt, hdr); break; case WLAN_FC_TYPE_DATA: if (len < 24) @@ -142,6 +163,10 @@ static void rx_frame(struct wlantest *wt, const u8 *data, size_t len) WLAN_FC_GET_TYPE(fc)); break; } + + os_memcpy(wt->last_hdr, data, len > sizeof(wt->last_hdr) ? + sizeof(wt->last_hdr) : len); + wt->last_len = len; } |