diff options
Diffstat (limited to 'src/fastd.h')
| -rw-r--r-- | src/fastd.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/fastd.h b/src/fastd.h index 2536e71..66dd06f 100644 --- a/src/fastd.h +++ b/src/fastd.h @@ -81,7 +81,7 @@ struct fastd_protocol { struct fastd_method { bool (*provides)(const char *name); - size_t (*max_packet_size)(fastd_context_t *ctx); + size_t max_overhead; size_t min_encrypt_head_space; size_t min_decrypt_head_space; size_t min_encrypt_tail_space; @@ -240,7 +240,7 @@ struct fastd_config { const fastd_protocol_t *protocol; fastd_string_stack_t *methods; - size_t max_packet_size; + size_t max_overhead; size_t min_encrypt_head_space; size_t min_decrypt_head_space; size_t min_encrypt_tail_space; @@ -468,7 +468,7 @@ static inline void fastd_buffer_push_head(const fastd_context_t *ctx, fastd_buff buffer->len -= len; } -static inline size_t fastd_max_packet_size(const fastd_context_t *ctx) { +static inline size_t fastd_max_inner_packet(const fastd_context_t *ctx) { switch (ctx->conf->mode) { case MODE_TAP: return ctx->conf->mtu+ETH_HLEN; @@ -479,6 +479,10 @@ static inline size_t fastd_max_packet_size(const fastd_context_t *ctx) { } } +static inline size_t fastd_max_outer_packet(const fastd_context_t *ctx) { + return PACKET_TYPE_LEN + fastd_max_inner_packet(ctx) + ctx->conf->max_overhead; +} + static inline fastd_string_stack_t* fastd_string_stack_dup(const char *str) { fastd_string_stack_t *ret = malloc(alignto(sizeof(fastd_string_stack_t) + strlen(str) + 1, 8)); ret->next = NULL; |