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path: root/drivers/net/wireless/iwlwifi/iwl-3945.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 94e177a9f51c..c2a76785b665 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -514,6 +514,23 @@ static inline void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
}
#endif
+/* This is necessary only for a number of statistics, see the caller. */
+static int iwl3945_is_network_packet(struct iwl3945_priv *priv,
+ struct ieee80211_hdr *header)
+{
+ /* Filter incoming packets to determine if they are targeted toward
+ * this network, discarding packets coming from ourselves */
+ switch (priv->iw_mode) {
+ case IEEE80211_IF_TYPE_IBSS: /* Header: Dest. | Source | BSSID */
+ /* packets to our IBSS update information */
+ return !compare_ether_addr(header->addr3, priv->bssid);
+ case IEEE80211_IF_TYPE_STA: /* Header: Dest. | AP{BSSID} | Source */
+ /* packets to our IBSS update information */
+ return !compare_ether_addr(header->addr2, priv->bssid);
+ default:
+ return 1;
+ }
+}
static void iwl3945_add_radiotap(struct iwl3945_priv *priv,
struct sk_buff *skb,
@@ -608,12 +625,12 @@ static void iwl3945_add_radiotap(struct iwl3945_priv *priv,
stats->flag |= RX_FLAG_RADIOTAP;
}
-static void iwl3945_handle_data_packet(struct iwl3945_priv *priv, int is_data,
+static void iwl3945_pass_packet_to_mac80211(struct iwl3945_priv *priv,
struct iwl3945_rx_mem_buffer *rxb,
struct ieee80211_rx_status *stats)
{
- struct ieee80211_hdr *hdr;
struct iwl3945_rx_packet *pkt = (struct iwl3945_rx_packet *)rxb->skb->data;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)IWL_RX_DATA(pkt);
struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt);
short len = le16_to_cpu(rx_hdr->len);
@@ -635,8 +652,6 @@ static void iwl3945_handle_data_packet(struct iwl3945_priv *priv, int is_data,
/* Set the size of the skb to the size of the frame */
skb_put(rxb->skb, le16_to_cpu(rx_hdr->len));
- hdr = (void *)rxb->skb->data;
-
if (iwl3945_param_hwcrypto)
iwl3945_set_decrypted_flag(priv, rxb->skb,
le32_to_cpu(rx_end->status), stats);
@@ -645,7 +660,7 @@ static void iwl3945_handle_data_packet(struct iwl3945_priv *priv, int is_data,
iwl3945_add_radiotap(priv, rxb->skb, rx_hdr, stats);
#ifdef CONFIG_IWL3945_LEDS
- if (is_data)
+ if (ieee80211_is_data(hdr->frame_control))
priv->rxtxpackets += len;
#endif
ieee80211_rx_irqsafe(priv->hw, rxb->skb, stats);
@@ -694,7 +709,7 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv,
}
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
- iwl3945_handle_data_packet(priv, 1, rxb, &rx_status);
+ iwl3945_pass_packet_to_mac80211(priv, rxb, &rx_status);
return;
}
@@ -842,27 +857,12 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv,
}
}
- iwl3945_handle_data_packet(priv, 0, rxb, &rx_status);
- break;
-
- case IEEE80211_FTYPE_CTL:
- break;
-
- case IEEE80211_FTYPE_DATA: {
- DECLARE_MAC_BUF(mac1);
- DECLARE_MAC_BUF(mac2);
- DECLARE_MAC_BUF(mac3);
-
- if (unlikely(iwl3945_is_duplicate_packet(priv, header)))
- IWL_DEBUG_DROP("Dropping (dup): %s, %s, %s\n",
- print_mac(mac1, header->addr1),
- print_mac(mac2, header->addr2),
- print_mac(mac3, header->addr3));
- else
- iwl3945_handle_data_packet(priv, 1, rxb, &rx_status);
+ case IEEE80211_FTYPE_DATA:
+ /* fall through */
+ default:
+ iwl3945_pass_packet_to_mac80211(priv, rxb, &rx_status);
break;
}
- }
}
int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *ptr,