static IP_DGRAM_PTR IPREASM_get_dgram
(
_ip_address ipsrc, /* [IN] the IP source */
_ip_address ipdst, /* [IN] the IP destination */
uint8_t proto, /* [IN] the IP protocol */
uint16_t id /* [IN] the IP ID */
)
{ /* Body */
register IP_DGRAM_PTR dgram;
RTCS_DLIST_PEEK(IPREASM_head, dgram);
if (dgram) {
/* There's a good probability our IP_DGRAM is at the head of the list */
if (dgram->family==AF_INET
&& ipsrc == dgram->header.IP4.IPSRC
&& ipdst == dgram->header.IP4.IPDST
&& proto == dgram->header.IP4.PROTO
&& id == dgram->header.IP4.ID) {
return dgram;
} /* Endif */
/* It's not at the head. Scan the list for it */
RTCS_DLIST_SEARCH_REST(IPREASM_head, dgram) {
if (ipsrc == dgram->header.IP4.IPSRC
&& ipdst == dgram->header.IP4.IPDST
&& proto == dgram->header.IP4.PROTO
&& id == dgram->header.IP4.ID) {
/* Found it. Move it to the head of the list */
RTCS_DLIST_DEL(IPREASM_head, dgram);
RTCS_DLIST_INS(IPREASM_head, dgram);
return dgram;
} /* Endif */
} /* End SEARCH */
} /* Endif */
/* Not found. Allocate one */
dgram = RTCS_part_alloc_zero(IPREASM_part);
if (!dgram) return NULL;
/* Initialize it */
dgram->family=AF_INET;
dgram->header.IP4.IPSRC = ipsrc;
dgram->header.IP4.IPDST = ipdst;
dgram->header.IP4.PROTO = proto;
dgram->header.IP4.ID = id;
dgram->TIMER.TIME = IPREASM_TTL;
dgram->TIMER.EVENT = IPREASM_expire;
dgram->TIMER.PRIVATE = dgram;
TCPIP_Event_add(&dgram->TIMER);
/* Add it to the list*/
RTCS_DLIST_INS(IPREASM_head, dgram);
return dgram;
} /* Endbody */
IPREASM_BLK_PTR IPREASM_blk_get
(
IP_DGRAM_PTR dgram, /* [IN] the IP datagram */
uint32_t offset /* [IN] the offset into the datagram */
)
{ /* Body */
IPREASM_BLK_PTR blk;
uint32_t nb;
uint32_t ni;
nb = IPREASM_BLK_NUM(offset);
if (IPREASM_IS_DIRECT(nb)) {
blk = dgram->DIRECT[nb];
if (!blk) {
blk = RTCS_part_alloc(IPREASM_part);
if (blk) {
blk->BUSYINT = 0;
dgram->DIRECT[nb] = blk;
} /* Endif */
} /* Endif */
return blk;
} /* Endif */
/* If we get here, it's an indirect block */
ni = IPREASM_IND_NUM(nb);
if (ni >= IPREASM_NB_IND) {
return NULL;
} /* Endif */
if (!dgram->INDIR[ni]) {
dgram->INDIR[ni] = RTCS_part_alloc_zero(IPREASM_part);
if (!dgram->INDIR[ni]) {
return NULL;
} /* Endif */
} /* Endif */
nb = IPREASM_IND_OFS(nb);
blk = dgram->INDIR[ni]->DIRECT[nb];
if (!blk) {
blk = RTCS_part_alloc(IPREASM_part);
if (blk) {
blk->BUSYINT = 0;
dgram->INDIR[ni]->DIRECT[nb] = blk;
} /* Endif */
} /* Endif */
return blk;
} /* Endbody */
MC_MEMBER_PTR _PTR_ IGMP_member_create
(
MC_MEMBER_PTR _PTR_ phead,
ip_mreq _PTR_ igrp
)
{ /* Body */
IP_CFG_STRUCT_PTR IP_cfg_ptr = RTCS_getcfg(IP);
MC_MEMBER_PTR group;
group = RTCS_part_alloc_zero(IP_cfg_ptr->MCB_PARTID);
if (!group) {
return NULL;
} /* Endif */
group->IGRP = *igrp;
group->UCOUNT = 1;
group->NEXT = *phead;
*phead = group;
return phead;
} /* Endbody */
SOCKET_STRUCT_PTR SOCK_Get_sock_struct
(
RTCS_SOCKET_CALL_STRUCT_PTR type,
_rtcs_taskid owner
)
{ /* Body */
RTCS_DATA_PTR RTCS_data_ptr;
SOCKET_CONFIG_STRUCT_PTR socket_cfg_ptr;
SOCKET_STRUCT_PTR socket_ptr;
RTCS_data_ptr = RTCS_get_data();
socket_cfg_ptr = RTCS_data_ptr->SOCKET_CFG;
socket_ptr = RTCS_part_alloc_zero(RTCS_data_ptr->RTCS_socket_partition);
if ( socket_ptr != NULL ) {
RTCS_mutex_lock(&socket_cfg_ptr->SOCK_MUTEX);
socket_cfg_ptr->CURRENT_SOCKETS++;
#if RTCSCFG_SOCKET_OWNERSHIP
SOCK_Add_owner(socket_ptr, owner);
#endif
/*
** link in this socket into the linked list of active sockets
*/
if ( socket_cfg_ptr->SOCKET_HEAD != NULL ) {
((SOCKET_STRUCT_PTR)socket_cfg_ptr->SOCKET_TAIL)->NEXT =
(void *)socket_ptr;
socket_ptr->PREV = (SOCKET_STRUCT_PTR)socket_cfg_ptr->SOCKET_TAIL;
} else {
socket_cfg_ptr->SOCKET_HEAD = (void *)socket_ptr;
socket_ptr->PREV = NULL;
} /* Endif */
socket_ptr->NEXT = NULL;
socket_cfg_ptr->SOCKET_TAIL = (void *)socket_ptr;
RTCS_mutex_unlock(&socket_cfg_ptr->SOCK_MUTEX);
socket_ptr->VALID = SOCKET_VALID;
/*
** set the default socket options
*/
socket_ptr->CONNECT_TIMEOUT = DEFAULT_CONNECT_TIMEOUT;
socket_ptr->RETRANSMISSION_TIMEOUT = DEFAULT_RETRANSMISSION_TIMEOUT;
socket_ptr->SEND_TIMEOUT = DEFAULT_SEND_TIMEOUT;
socket_ptr->RECEIVE_TIMEOUT = DEFAULT_RECEIVE_TIMEOUT;
socket_ptr->RECEIVE_PUSH = DEFAULT_PUSH;
socket_ptr->SEND_NOWAIT = DEFAULT_SEND_NOWAIT;
socket_ptr->SEND_WAIT = DEFAULT_SEND_WAIT;
socket_ptr->SEND_PUSH = DEFAULT_PUSH;
socket_ptr->RECEIVE_NOWAIT = DEFAULT_RECEIVE_NOWAIT;
socket_ptr->CHECKSUM_BYPASS = DEFAULT_CHECKSUM_BYPASS;
socket_ptr->ACTIVE = DEFAULT_ACTIVE;
socket_ptr->TBSIZE = DEFAULT_TBSIZE;
socket_ptr->RBSIZE = DEFAULT_RBSIZE;
socket_ptr->MAXRTO = DEFAULT_MAXRTO;
socket_ptr->MAXRCV_WND = DEFAULT_MAXRCV_WND;
socket_ptr->KEEPALIVE = DEFAULT_KEEPALIVE;
socket_ptr->NOWAIT = DEFAULT_NOWAIT;
socket_ptr->NO_NAGLE_ALGORITHM = DEFAULT_NO_NAGLE_ALGORITHM;
socket_ptr->NOSWRBUF = DEFAULT_NOSWRBUF;
socket_ptr->CALL_BACK = DEFAULT_CALL_BACK;
socket_ptr->TYPE_MIRROR = (uint32_t)type;
socket_ptr->APPLICATION_CALLBACK = DEFAULT_CALLBACK;
socket_ptr->TIMEWAIT_TIMEOUT = DEFAULT_TIMEWAIT_TIMEOUT;
socket_ptr->DELAY_ACK = DEFAULT_DELAY_ACK;
#if RTCSCFG_ENABLE_IP6
socket_ptr->LINK_OPTIONS.TX.HOP_LIMIT_MULTICAST = DEFAULT_IP6_MULTICAST_HOPS;
#endif
socket_ptr->PROTOCOL = type;
} /* Endif */
return(socket_ptr);
} /* Endbody */
