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Change the example packet in inject_80211.c from broadcast to unicast to ease the loopback debug based on dmesg printing (broadcast packet is not printed)

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This commit is contained in:
Xianjun Jiao 2021-05-06 16:03:01 +02:00
parent 4316f57fb7
commit b66028eed3
2 changed files with 10 additions and 10 deletions
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10
doc/app_notes/inject_80211.md
View File

@ -28,11 +28,11 @@ To customize the packet, following piece of the inject_80211.c needs to be chang
/* IEEE80211 header */
static const u8 ieee_hdr[] =
{
0x08, 0x01, 0x00, 0x00, // Frame Control, Duration/ID
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // Address 1
0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // Address 2
0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // Address 3
0x10, 0x86, // Sequence Control
0x08, 0x01, 0x00, 0x00, // FC 0x0801. 0--subtype; 8--type&version; 01--toDS1 fromDS0 (data packet to DS)
0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // BSSID/MAC of AP
0x66, 0x55, 0x44, 0x33, 0x22, 0x22, // Source address (STA)
0x66, 0x55, 0x44, 0x33, 0x22, 0x33, // Destination address (another STA under the same AP)
0x10, 0x86, // 0--fragment number; 0x861=2145--sequence number
};
```
Note: The byte/bit order might not be intuitive when comparing with the standard.

10
user_space/inject_80211/inject_80211.c
View File

@ -60,11 +60,11 @@ static const u8 u8aRadiotapHeader[] =
/* IEEE80211 header */
static const u8 ieee_hdr[] =
{
0x08, 0x01, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x66, 0x55, 0x44, 0x33, 0x22, 0x11,
0x66, 0x55, 0x44, 0x33, 0x22, 0x11,
0x10, 0x86,
0x08, 0x01, 0x00, 0x00, // FC 0x0801. 0--subtype; 8--type&version; 01--toDS1 fromDS0 (data packet to DS)
0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // BSSID/MAC of AP
0x66, 0x55, 0x44, 0x33, 0x22, 0x22, // Source address (STA)
0x66, 0x55, 0x44, 0x33, 0x22, 0x33, // Destination address (another STA under the same AP)
0x10, 0x86, // 0--fragment number; 0x861=2145--sequence number
};
// Generate random string