diff options
Diffstat (limited to 'src/ipcpd/shm_pci.c')
| -rw-r--r-- | src/ipcpd/shm_pci.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/src/ipcpd/shm_pci.c b/src/ipcpd/shm_pci.c deleted file mode 100644 index d44e0e8f..00000000 --- a/src/ipcpd/shm_pci.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - * - * Protocol Control Information in Shared Memory Map - * - * Dimitri Staessens <[email protected]> - * Sander Vrijders <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "shm_pci.h" -#include <malloc.h> -#include <errno.h> - -#define SHM_PCI_HEAD_SIZE(a, b) a.addr_size * 2 + \ - a.cep_id_size * 2 + \ - a.pdu_length_size + \ - b.ttl_size + \ - a.seqno_size + \ - a.qos_id_size -#define SHM_PCI_TAIL_SIZE(b) b.chk_size - -#define OUROBOROS_PREFIX "ipcpd/shm_pci" - -#include <ouroboros/logs.h> - -struct shm_pci { - /* head */ - uint8_t * dst_addr; - uint8_t * src_addr; - uint8_t * dst_cep_id; - uint8_t * src_cep_id; - uint8_t * pdu_length; - uint8_t * ttl; - uint8_t * seqno; - uint8_t * qos_id; - - uint8_t * chk; - - struct shm_du_buff * dub; - - struct ipcp_dtp_const dtpc; - struct ipcp_dup_const dupc; - -}; - -shm_pci_t * shm_pci_create(struct shm_du_buff * dub, - const struct ipcp_dtp_const * dtpc, - const struct ipcp_dup_const * dupc) -{ - struct shm_pci * p; - - if (dub == NULL) { - LOG_DBGF("Bogus input. Bugging out."); - return NULL; - } - - p = malloc(sizeof *p); - - if (p == NULL) - return NULL; - - p->dub = dub; - - p->dtpc = *dtpc; - p->dupc = *dupc; - - p->dst_addr = NULL; - p->src_addr = NULL; - p->dst_cep_id = NULL; - p->src_cep_id = NULL; - p->pdu_length = NULL; - p->ttl = NULL; - p->seqno = NULL; - p->qos_id = NULL; - p->chk = NULL; - - return p; -} - -void shm_pci_destroy(shm_pci_t * pci) -{ - free(pci); -} - -int shm_pci_init(shm_pci_t * pci) -{ - if (pci == NULL) { - LOG_DBGF("Bogus input. Bugging out."); - return -EINVAL; - } - - uint8_t * pci_head = shm_du_buff_head_alloc( - pci->dub, SHM_PCI_HEAD_SIZE(pci->dtpc, pci->dupc)); - uint8_t * pci_tail = shm_du_buff_tail_alloc( - pci->dub, SHM_PCI_TAIL_SIZE(pci->dupc)); - - if (pci_head == NULL) { - LOG_DBG("Failed to allocate space for PCI at head."); - return -ENOBUFS; - } - - if (pci_tail == NULL) { - LOG_DBG("Failed to allocate space for PCI at tail."); - return -ENOBUFS; - } - - pci->dst_addr = pci_head; - pci->src_addr = (pci_head += pci->dtpc.addr_size); - pci->dst_cep_id = (pci_head += pci->dtpc.addr_size); - pci->src_cep_id = (pci_head += pci->dtpc.cep_id_size); - pci->pdu_length = (pci_head += pci->dtpc.cep_id_size); - pci->ttl = (pci_head += pci->dtpc.pdu_length_size); - pci->seqno = (pci_head += pci->dupc.ttl_size); - pci->qos_id = (pci_head += pci->dtpc.seqno_size); - - pci->chk = (pci_tail); - - return 0; -} - -void shm_pci_release(shm_pci_t * pci) -{ - if (pci == NULL) - return; - - if (pci->dub == NULL) - return; - - shm_du_buff_head_release(pci->dub, SHM_PCI_HEAD_SIZE(pci->dtpc, - pci->dupc)); - shm_du_buff_tail_release(pci->dub, SHM_PCI_TAIL_SIZE(pci->dupc)); -} |