diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mac80211_hwsim.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index ce522aa..c242f5a 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -751,7 +751,11 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw, continue; } - nskb = skb_copy(skb, GFP_ATOMIC); + /* + * reserve some space for our vendor and the normal + * radiotap header, since we're copying anyway + */ + nskb = skb_copy_expand(skb, 64, 0, GFP_ATOMIC); if (nskb == NULL) continue; @@ -769,6 +773,33 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw, (data->tsf_offset - data2->tsf_offset) + 24 * 8 * 10 / txrate->bitrate); +#if 0 + /* + * Don't enable this code by default as the OUI 00:00:00 + * is registered to Xerox so we shouldn't use it here, it + * might find its way into pcap files. + * Note that this code requires the headroom in the SKB + * that was allocated earlier. + */ + rx_status.vendor_radiotap_oui[0] = 0x00; + rx_status.vendor_radiotap_oui[1] = 0x00; + rx_status.vendor_radiotap_oui[2] = 0x00; + rx_status.vendor_radiotap_subns = 127; + /* + * Radiotap vendor namespaces can (and should) also be + * split into fields by using the standard radiotap + * presence bitmap mechanism. Use just BIT(0) here for + * the presence bitmap. + */ + rx_status.vendor_radiotap_bitmap = BIT(0); + /* We have 8 bytes of (dummy) data */ + rx_status.vendor_radiotap_len = 8; + /* For testing, also require it to be aligned */ + rx_status.vendor_radiotap_align = 8; + /* push the data */ + memcpy(skb_push(nskb, 8), "ABCDEFGH", 8); +#endif + memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status)); ieee80211_rx_irqsafe(data2->hw, nskb); } |
