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-rw-r--r--include/ouroboros/common.h32
-rw-r--r--src/ipcpd/CMakeLists.txt1
-rw-r--r--src/ipcpd/pci.c140
-rw-r--r--src/ipcpd/pci.h45
4 files changed, 210 insertions, 8 deletions
diff --git a/include/ouroboros/common.h b/include/ouroboros/common.h
index 02361f20..36f6171c 100644
--- a/include/ouroboros/common.h
+++ b/include/ouroboros/common.h
@@ -37,22 +37,38 @@ typedef struct {
typedef struct {
char * ap_name;
- int api_id;
+ int api_id;
char * ae_name;
- int aei_id;
+ int aei_id;
} rina_name_t;
/* FIXME: To be extended to have all QoS params */
struct qos_spec {
- char * name;
- char * dif_name;
- double delay;
- double jitter;
+ uint32_t delay;
+ uint32_t jitter;
+};
+
+struct dt_const {
+ /* dt field sizes in octets */
+ uint8_t addr_size;
+ uint8_t cep_id_size;
+ uint8_t pdu_length_size;
+ uint8_t qos_id_size;
+ uint8_t seqno_size;
+ /* uint8_t ctrl_sqnum_sz; is this in the spec?? */
+
+ /* constants for dup */
+ uint8_t ttl_size;
+ uint8_t chk_size;
};
/* FIXME: What should be configurable in the DIF? */
struct dif_info {
- int cep_id_size;
+ /* values, octets */
+ uint32_t min_pdu_size;
+ uint32_t max_pdu_size;
+
+ struct dt_const dtc;
};
-#endif
+#endif /* OUROBOROS_COMMON_H */
diff --git a/src/ipcpd/CMakeLists.txt b/src/ipcpd/CMakeLists.txt
index b16413cc..00ace9d5 100644
--- a/src/ipcpd/CMakeLists.txt
+++ b/src/ipcpd/CMakeLists.txt
@@ -7,6 +7,7 @@ include_directories(${CMAKE_BINARY_DIR}/include)
set(SOURCE_FILES
# Add source files here
main.c
+ pci.c
)
add_executable (ipcpd ${SOURCE_FILES})
diff --git a/src/ipcpd/pci.c b/src/ipcpd/pci.c
new file mode 100644
index 00000000..d4ef9033
--- /dev/null
+++ b/src/ipcpd/pci.c
@@ -0,0 +1,140 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Protocol Control Information
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * 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 "pci.h"
+#include <malloc.h>
+#include <errno.h>
+
+#define HEAD_SIZE(a, b) a.addr_size * 2 + \
+ a.cep_id_size * 2 + \
+ a.pdu_length_size + \
+ a.seqno_size + \
+ a.qos_id_size + \
+ b.ttl_size
+#define TAIL_SIZE(b) b.chk_size
+
+
+struct 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;
+
+ du_buff_t * dub;
+
+ struct ipcp_dtp_const dtpc;
+ struct ipcp_dup_const dupc;
+
+};
+
+pci_t * pci_create(du_buff_t * dub,
+ const struct ipcp_dtp_const * dtpc,
+ const struct ipcp_dup_const * dupc)
+{
+
+ if (dub == NULL) {
+ LOG_DBGF("Bogus input. Bugging out.");
+ return NULL;
+ }
+
+ struct pci * 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 pci_destroy(pci_t * pci)
+{
+ free(pci);
+}
+
+int pci_init(pci_t * pci)
+{
+ if (pci == NULL) {
+ LOG_DBGF("Bogus input. Bugging out.");
+ return -EINVAL;
+ }
+
+ uint8_t * pci_head = du_buff_head_alloc(pci->dub,
+ HEAD_SIZE(pci->dtpc,pci->dupc));
+ uint8_t * pci_tail = du_buff_tail_alloc(pci->dub, 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 pci_release(pci_t * pci)
+{
+ if (pci == NULL)
+ return;
+
+ if (pci->dub == NULL)
+ return;
+
+ du_buff_head_release(pci->dub, HEAD_SIZE(pci->dtpc, pci->dupc));
+ du_buff_tail_release(pci->dub, TAIL_SIZE(pci->dupc));
+}
diff --git a/src/ipcpd/pci.h b/src/ipcpd/pci.h
new file mode 100644
index 00000000..c7095bbd
--- /dev/null
+++ b/src/ipcpd/pci.h
@@ -0,0 +1,45 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * Protocol Control Information
+ *
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * 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.
+ */
+
+#ifndef OUROBOROS_IPCP_PCI_H
+#define OUROBOROS_IPCP_PCI_H
+
+#define OUROBOROS_PREFIX "ipcp/pci"
+
+#include "ouroboros/du_buff.h"
+#include "ouroboros/logs.h"
+#include "dt_const.h"
+
+struct pci;
+
+typedef struct pci pci_t;
+
+pci_t * pci_create(du_buff_t * dub,
+ const struct ipcp_dtp_const * dtpc,
+ const struct ipcp_dup_const * dupc);
+void pci_destroy(pci_t * pci);
+
+int pci_init(pci_t * pci);
+void pci_release(pci_t * pci);
+
+#endif /* OUROBOROS_IPCP_PCI_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 01:52:29 +0000