diff options
Diffstat (limited to 'include/grub/net/netbuff.h')
| -rw-r--r-- | include/grub/net/netbuff.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/grub/net/netbuff.h b/include/grub/net/netbuff.h new file mode 100644 index 0000000..1177c12 --- /dev/null +++ b/include/grub/net/netbuff.h @@ -0,0 +1,31 @@ +#ifndef GRUB_NETBUFF_HEADER +#define GRUB_NETBUFF_HEADER + +#include <grub/misc.h> + +#define NETBUFF_ALIGN 2048 +#define NETBUFFMINLEN 64 + +struct grub_net_buff +{ + /* Pointer to the start of the buffer. */ + grub_uint8_t *head; + /* Pointer to the data. */ + grub_uint8_t *data; + /* Pointer to the tail. */ + grub_uint8_t *tail; + /* Pointer to the end of the buffer. */ + grub_uint8_t *end; +}; + +grub_err_t grub_netbuff_put (struct grub_net_buff *net_buff, grub_size_t len); +grub_err_t grub_netbuff_unput (struct grub_net_buff *net_buff, grub_size_t len); +grub_err_t grub_netbuff_push (struct grub_net_buff *net_buff, grub_size_t len); +grub_err_t grub_netbuff_pull (struct grub_net_buff *net_buff, grub_size_t len); +grub_err_t grub_netbuff_reserve (struct grub_net_buff *net_buff, grub_size_t len); +grub_err_t grub_netbuff_clear (struct grub_net_buff *net_buff); +struct grub_net_buff * grub_netbuff_alloc (grub_size_t len); +struct grub_net_buff * grub_netbuff_make_pkt (grub_size_t len); +void grub_netbuff_free (struct grub_net_buff *net_buff); + +#endif |