diff options
Diffstat (limited to 'net/packet')
-rw-r--r-- | net/packet/af_packet.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index a059cc7be672..51c059b09a37 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c | |||
@@ -114,22 +114,22 @@ On receive: | |||
114 | ----------- | 114 | ----------- |
115 | 115 | ||
116 | Incoming, dev->hard_header!=NULL | 116 | Incoming, dev->hard_header!=NULL |
117 | mac.raw -> ll header | 117 | mac_header -> ll header |
118 | data -> data | 118 | data -> data |
119 | 119 | ||
120 | Outgoing, dev->hard_header!=NULL | 120 | Outgoing, dev->hard_header!=NULL |
121 | mac.raw -> ll header | 121 | mac_header -> ll header |
122 | data -> ll header | 122 | data -> ll header |
123 | 123 | ||
124 | Incoming, dev->hard_header==NULL | 124 | Incoming, dev->hard_header==NULL |
125 | mac.raw -> UNKNOWN position. It is very likely, that it points to ll header. | 125 | mac_header -> UNKNOWN position. It is very likely, that it points to ll |
126 | PPP makes it, that is wrong, because introduce assymetry | 126 | header. PPP makes it, that is wrong, because introduce |
127 | between rx and tx paths. | 127 | assymetry between rx and tx paths. |
128 | data -> data | 128 | data -> data |
129 | 129 | ||
130 | Outgoing, dev->hard_header==NULL | 130 | Outgoing, dev->hard_header==NULL |
131 | mac.raw -> data. ll header is still not built! | 131 | mac_header -> data. ll header is still not built! |
132 | data -> data | 132 | data -> data |
133 | 133 | ||
134 | Resume | 134 | Resume |
135 | If dev->hard_header==NULL we are unlikely to restore sensible ll header. | 135 | If dev->hard_header==NULL we are unlikely to restore sensible ll header. |
@@ -139,12 +139,12 @@ On transmit: | |||
139 | ------------ | 139 | ------------ |
140 | 140 | ||
141 | dev->hard_header != NULL | 141 | dev->hard_header != NULL |
142 | mac.raw -> ll header | 142 | mac_header -> ll header |
143 | data -> ll header | 143 | data -> ll header |
144 | 144 | ||
145 | dev->hard_header == NULL (ll header is added by device, we cannot control it) | 145 | dev->hard_header == NULL (ll header is added by device, we cannot control it) |
146 | mac.raw -> data | 146 | mac_header -> data |
147 | data -> data | 147 | data -> data |
148 | 148 | ||
149 | We should set nh.raw on output to correct posistion, | 149 | We should set nh.raw on output to correct posistion, |
150 | packet classifier depends on it. | 150 | packet classifier depends on it. |