diff options
Diffstat (limited to 'src/include/tftp.h')
| -rw-r--r-- | src/include/tftp.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/include/tftp.h b/src/include/tftp.h index 2a086eb2b..ae8f35192 100644 --- a/src/include/tftp.h +++ b/src/include/tftp.h @@ -3,7 +3,7 @@ /** @file */ -#include "in.h" +#include <gpxe/in.h> #include "buffer.h" #include "nic.h" #include "ip.h" @@ -139,6 +139,15 @@ struct tftp_state { * TFTP server. Note that the first data block is block 1; a * value of 0 indicates that no data blocks have yet been * received. + * + * For multicast TFTP protocols, where the blocks may not be + * received in strict order, the meaning of this field changes + * slightly, to "first missing block minus one". For example, + * suppose that we have received blocks 1, 2, 4 and 5; this + * field would then have the value 2, since the first missing + * block is block 3. If the blocks do arrive in strict order, + * this definition is exactly equivalent to "most recently + * received block". */ unsigned int block; }; |