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-rw-r--r--doc/man/ouroboros.835
-rw-r--r--include/ouroboros/ipcp.h8
-rw-r--r--src/ipcpd/CMakeLists.txt2
-rw-r--r--src/ipcpd/eth/CMakeLists.txt (renamed from src/ipcpd/eth-llc/CMakeLists.txt)53
-rw-r--r--src/ipcpd/eth/dix.c26
-rw-r--r--src/ipcpd/eth/eth.c (renamed from src/ipcpd/eth-llc/main.c)952
-rw-r--r--src/ipcpd/eth/llc.c26
-rw-r--r--src/ipcpd/ipcp.c7
-rw-r--r--src/irmd/config.h.in1
-rw-r--r--src/irmd/ipcp.c3
-rw-r--r--src/lib/ipcp_config.proto6
-rw-r--r--src/lib/irm.c7
-rw-r--r--src/tools/irm/irm_ipcp_bootstrap.c40
13 files changed, 760 insertions, 406 deletions
diff --git a/doc/man/ouroboros.8 b/doc/man/ouroboros.8
index a661da92..063f5e8d 100644
--- a/doc/man/ouroboros.8
+++ b/doc/man/ouroboros.8
@@ -2,7 +2,7 @@
.\" Dimitri Staessens <dimitri.staessens@ugent.be>
.\" Sander Vrijders <sander.vrijders@ugent.be>
-.TH OUROBOROS 8 2018-02-13 Ouroboros "Ouroboros User Manual"
+.TH OUROBOROS 8 2018-03-10 Ouroboros "Ouroboros User Manual"
.SH NAME
@@ -99,8 +99,9 @@ have to be reachable over a lower layer. IPCPs that wrap a legacy
transmission technology are all bootstrapped and thus need not enroll
as they work directly over a physical connection. Ouroboros currently
supports IPCPs over shared memory (local), L1 (raptor, experimental),
-L2 (eth-llc) and L3 (udp). The normal layer requires connections to be
-established between IPCP components for its operation.
+L2 (eth-llc and eth-dix) and L3 (udp). The normal layer requires
+connections to be established between IPCP components for its
+operation.
\fBConnecting the management components\fR using \fImanagement
flows\fR allows management information to be sent between IPCPs so
@@ -124,7 +125,9 @@ creates an IPCP process of type \fItype\fR in the system with name
.PP
\fBraptor\fR - create an IPCP that attaches to a raptor NetFPGA device.
.PP
-\fBeth-llc\fR - create an IPCP that attaches to an Ethernet adapter.
+\fBeth-llc\fR - create an IPCP that attaches to Ethernet using LLC frames.
+.PP
+\fBeth-dix\fR - create an IPCP that attaches to Ethernet using DIX frames.
.PP
\fBudp\fR - create an IPCP that attaches to a UDP socket.
.PP
@@ -152,6 +155,8 @@ Values for [\fIparam\fR] are dependent on \fItype\fR:
[hash \fIpolicy\fR] specifies the hash function used for the directory,
.br
\fIpolicy\fR: SHA3_224, SHA3_256, SHA3_384, SHA3_512.
+.br
+default: SHA3_256.
.RE
\fBraptor\fR
@@ -160,16 +165,36 @@ Values for [\fIparam\fR] are dependent on \fItype\fR:
[hash \fIpolicy\fR] specifies the hash function used for the directory,
.br
\fIpolicy\fR: SHA3_224, SHA3_256, SHA3_384, SHA3_512.
+.br
+default: SHA3_256.
.RE
.PP
\fBeth-llc\fR
.RS 4
-if_name \fIinterface\fR specifies the interface to bind the IPCP to.
+dev \fIinterface\fR specifies the interface to bind the IPCP to.
.PP
[hash \fIpolicy\fR] specifies the hash function used for the directory,
.br
\fIpolicy\fR: SHA3_224, SHA3_256, SHA3_384, SHA3_512.
+.br
+default: SHA3_256.
+.RE
+
+.PP
+\fBeth-dix\fR
+.RS 4
+dev \fIinterface\fR specifies the interface to bind the IPCP to.
+.PP
+[ethertype \fIethertype\fR] specifies the ethertype used for the layer.
+.br
+default: 0xA000.
+.PP
+[hash \fIpolicy\fR] specifies the hash function used for the directory,
+.br
+\fIpolicy\fR: SHA3_224, SHA3_256, SHA3_384, SHA3_512.
+.br
+default: SHA3_256.
.RE
.PP
diff --git a/include/ouroboros/ipcp.h b/include/ouroboros/ipcp.h
index e39137db..dc2c37f5 100644
--- a/include/ouroboros/ipcp.h
+++ b/include/ouroboros/ipcp.h
@@ -38,6 +38,7 @@ enum ipcp_type {
IPCP_NORMAL,
IPCP_RAPTOR,
IPCP_ETH_LLC,
+ IPCP_ETH_DIX,
IPCP_UDP
};
@@ -88,8 +89,11 @@ struct ipcp_config {
uint32_t ip_addr;
uint32_t dns_addr;
- /* Ethernet LLC */
- char * if_name;
+ /* Ethernet */
+ char * dev;
+
+ /* Ethernet DIX */
+ uint16_t ethertype;
};
#endif /* OUROBOROS_IPCP_H */
diff --git a/src/ipcpd/CMakeLists.txt b/src/ipcpd/CMakeLists.txt
index 67d9fccf..d717d14a 100644
--- a/src/ipcpd/CMakeLists.txt
+++ b/src/ipcpd/CMakeLists.txt
@@ -35,7 +35,7 @@ add_subdirectory(local)
add_subdirectory(normal)
add_subdirectory(raptor)
add_subdirectory(udp)
-add_subdirectory(eth-llc)
+add_subdirectory(eth)
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/config.h.in"
"${CMAKE_CURRENT_BINARY_DIR}/config.h" @ONLY)
diff --git a/src/ipcpd/eth-llc/CMakeLists.txt b/src/ipcpd/eth/CMakeLists.txt
index 0e7f074f..6b8d1a77 100644
--- a/src/ipcpd/eth-llc/CMakeLists.txt
+++ b/src/ipcpd/eth/CMakeLists.txt
@@ -21,15 +21,15 @@ mark_as_advanced(NETMAP_C_INCLUDE_DIR)
if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(DISABLE_RAW_SOCKETS FALSE CACHE BOOL
- "Disable raw socket support for LLC IPCP")
+ "Disable raw socket support for Ethernet IPCPs")
if (NOT DISABLE_RAW_SOCKETS)
- message(STATUS "Raw socket support for eth-llc enabled")
+ message(STATUS "Raw socket support for Ethernet IPCPs enabled")
set(HAVE_RAW_SOCKETS TRUE PARENT_SCOPE)
- set(HAVE_LLC TRUE)
+ set(HAVE_ETH TRUE)
else ()
- message(STATUS "Raw socket support for eth-llc disabled by user")
+ message(STATUS "Raw socket support for Ethernet IPCPs disabled by user")
unset(HAVE_RAW_SOCKETS)
- unset(HAVE_LLC)
+ unset(HAVE_ETH)
endif ()
endif ()
@@ -43,64 +43,77 @@ if (NOT CMAKE_SYSTEM_NAME STREQUAL "Linux")
if (BPF_C_INCLUDE_DIR)
set(DISABLE_BPF FALSE CACHE BOOL
- "Disable Berkeley Packet Filter support for LLC IPCP")
+ "Disable Berkeley Packet Filter support for Ethernet IPCPs")
if (NOT DISABLE_BPF)
message(STATUS "Berkeley Packet Filter support "
- "for eth-llc enabled")
+ "for Ethernet IPCPs enabled")
set(HAVE_BPF TRUE PARENT_SCOPE)
- set(HAVE_LLC TRUE)
+ set(HAVE_ETH TRUE)
else ()
message(STATUS "Berkeley Packet Filter support "
- "for eth-llc disabled by user")
+ "for Ethernet IPCPs disabled by user")
unset(HAVE_BPF)
- unset(HAVE_LLC)
+ unset(HAVE_ETH)
endif ()
endif ()
endif ()
if (NETMAP_C_INCLUDE_DIR)
set(DISABLE_NETMAP FALSE CACHE BOOL
- "Disable netmap support for LLC IPCP")
+ "Disable netmap support for ETH IPCPs")
if (NOT DISABLE_NETMAP)
- message(STATUS "Netmap support for eth-llc enabled")
+ message(STATUS "Netmap support for Ethernet IPCPs enabled")
set(HAVE_NETMAP TRUE PARENT_SCOPE)
test_and_set_c_compiler_flag_global(-std=c99)
- set(HAVE_LLC TRUE)
+ set(HAVE_ETH TRUE)
else ()
- message(STATUS "Netmap support for eth-llc disabled by user")
+ message(STATUS "Netmap support for Ethernet IPCPs disabled by user")
unset(HAVE_NETMAP)
- unset(HAVE_LLC)
- unset(IPCP_ETH_LLC_TARGET CACHE)
+ unset(HAVE_ETH)
+ unset(IPCP_ETH_TARGET CACHE)
endif ()
endif ()
-if (HAVE_LLC)
- message(STATUS "Supported raw Ethernet API found, building eth-llc")
+if (HAVE_ETH)
+ message(STATUS "Supported raw packet API found, building eth-llc and eth-dix")
set(ETH_LLC_SOURCES
# Add source files here
- ${CMAKE_CURRENT_SOURCE_DIR}/main.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/llc.c
+ )
+
+ set(ETH_DIX_SOURCES
+ # Add source files here
+ ${CMAKE_CURRENT_SOURCE_DIR}/dix.c
)
set(IPCP_ETH_LLC_TARGET ipcpd-eth-llc CACHE INTERNAL "")
+ set(IPCP_ETH_DIX_TARGET ipcpd-eth-dix CACHE INTERNAL "")
add_executable(ipcpd-eth-llc ${ETH_LLC_SOURCES} ${IPCP_SOURCES})
+ add_executable(ipcpd-eth-dix ${ETH_DIX_SOURCES} ${IPCP_SOURCES})
if (HAVE_BPF AND NOT APPLE)
target_include_directories(ipcpd-eth-llc PUBLIC ${BPF_C_INCLUDE_DIR})
+ target_include_directories(ipcpd-eth-dix PUBLIC ${BPF_C_INCLUDE_DIR})
endif ()
if (HAVE_NETMAP AND NOT APPLE)
target_include_directories(ipcpd-eth-llc PUBLIC
${NETMAP_C_INCLUDE_DIR})
+ target_include_directories(ipcpd-eth-dix PUBLIC
+ ${NETMAP_C_INCLUDE_DIR})
endif ()
target_link_libraries(ipcpd-eth-llc LINK_PUBLIC ouroboros-dev)
+ target_link_libraries(ipcpd-eth-dix LINK_PUBLIC ouroboros-dev)
include(AddCompileFlags)
if (CMAKE_BUILD_TYPE MATCHES "Debug*")
add_compile_flags(ipcpd-eth-llc -DCONFIG_OUROBOROS_DEBUG)
+ add_compile_flags(ipcpd-eth-dix -DCONFIG_OUROBOROS_DEBUG)
endif ()
- install(TARGETS ipcpd-eth-llc RUNTIME DESTINATION ${CMAKE_INSTALL_SBINDIR})
+ install(TARGETS ipcpd-eth-llc ipcpd-eth-dix RUNTIME DESTINATION
+ ${CMAKE_INSTALL_SBINDIR})
endif ()
diff --git a/src/ipcpd/eth/dix.c b/src/ipcpd/eth/dix.c
new file mode 100644
index 00000000..dfa92ea3
--- /dev/null
+++ b/src/ipcpd/eth/dix.c
@@ -0,0 +1,26 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2018
+ *
+ * IPC processes over Ethernet - DIX
+ *
+ * Dimitri Staessens <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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., http://www.fsf.org/about/contact/.
+ */
+
+#define BUILD_ETH_DIX
+#define OUROBOROS_PREFIX "ipcpd/eth-dix"
+
+#include "eth.c"
diff --git a/src/ipcpd/eth-llc/main.c b/src/ipcpd/eth/eth.c
index 8b209825..ce806dc2 100644
--- a/src/ipcpd/eth-llc/main.c
+++ b/src/ipcpd/eth/eth.c
@@ -1,7 +1,7 @@
/*
* Ouroboros - Copyright (C) 2016 - 2018
*
- * IPC process over Ethernet with LLC
+ * IPC processes over Ethernet
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
@@ -20,6 +20,10 @@
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
+#if !defined(BUILD_ETH_DIX) && !defined(BUILD_ETH_LLC)
+#error Define BUILD_ETH_DIX or BUILD_ETH_LLC to build an Ethernet IPCP
+#endif
+
#if defined(__APPLE__)
#define _BSD_SOURCE
#define _DARWIN_C_SOURCE
@@ -31,8 +35,6 @@
#include "config.h"
-#define OUROBOROS_PREFIX "ipcpd/eth-llc"
-
#include <ouroboros/hash.h>
#include <ouroboros/errno.h>
#include <ouroboros/list.h>
@@ -91,16 +93,27 @@
#include <net/bpf.h>
#endif
+#define MAC_SIZE 6
+#define ETH_TYPE_LENGTH_SIZE 2
+#define ETH_HEADER_SIZE (2 * MAC_SIZE + ETH_TYPE_LENGTH_SIZE)
+
+#if defined(BUILD_ETH_DIX)
+#define THIS_TYPE IPCP_ETH_DIX
+#define MGMT_EID 0
+#define DIX_HEADER_SIZE 2
+#define MAX_EIDS (1 << (8 * DIX_HEADER_SIZE))
+#define ETH_MAX_SDU_SIZE (1500 - DIX_HEADER_SIZE)
+#define ETH_FRAME_SIZE (ETH_HEADER_SIZE + DIX_HEADER_SIZE \
+ + ETH_MAX_SDU_SIZE)
+#elif defined(BUILD_ETH_LLC)
#define THIS_TYPE IPCP_ETH_LLC
-
#define MGMT_SAP 0x01
-#define MAC_SIZE 6
#define LLC_HEADER_SIZE 3
#define MAX_SAPS 64
-#define ETH_HEADER_SIZE (2 * MAC_SIZE + 2)
-#define ETH_FRAME_SIZE (ETH_HEADER_SIZE + LLC_HEADER_SIZE \
- + SHIM_ETH_LLC_MAX_SDU_SIZE)
-#define SHIM_ETH_LLC_MAX_SDU_SIZE (1500 - LLC_HEADER_SIZE)
+#define ETH_MAX_SDU_SIZE (1500 - LLC_HEADER_SIZE)
+#define ETH_FRAME_SIZE (ETH_HEADER_SIZE + LLC_HEADER_SIZE \
+ + ETH_MAX_SDU_SIZE)
+#endif
#define ALLOC_TIMEO 10 /* ms */
#define NAME_QUERY_TIMEO 2000 /* ms */
#define MGMT_TIMEO 100 /* ms */
@@ -112,25 +125,39 @@
struct mgmt_msg {
uint8_t code;
+#if defined(BUILD_ETH_DIX)
+ uint16_t seid;
+ uint16_t deid;
+#elif defined(BUILD_ETH_LLC)
uint8_t ssap;
uint8_t dsap;
+#endif
uint8_t qoscube;
int8_t response;
} __attribute__((packed));
-struct eth_llc_frame {
+struct eth_frame {
uint8_t dst_hwaddr[MAC_SIZE];
uint8_t src_hwaddr[MAC_SIZE];
- uint8_t length[2];
+#if defined(BUILD_ETH_DIX)
+ uint8_t ethertype[ETH_TYPE_LENGTH_SIZE];
+ uint8_t eid[DIX_HEADER_SIZE];
+#elif defined(BUILD_ETH_LLC)
+ uint8_t length[ETH_TYPE_LENGTH_SIZE];
uint8_t dsap;
uint8_t ssap;
uint8_t cf;
+#endif
uint8_t payload;
} __attribute__((packed));
struct ef {
+#if defined(BUILD_ETH_DIX)
+ int32_t r_eid;
+#elif defined(BUILD_ETH_LLC)
int8_t sap;
int8_t r_sap;
+#endif
uint8_t r_addr[MAC_SIZE];
};
@@ -138,7 +165,6 @@ struct mgmt_frame {
struct list_head next;
uint8_t r_addr[MAC_SIZE];
uint8_t buf[ETH_FRAME_SIZE];
- size_t len;
};
struct {
@@ -156,12 +182,15 @@ struct {
int s_fd;
struct sockaddr_ll device;
#endif /* HAVE_NETMAP */
-
+#if defined (BUILD_ETH_DIX)
+ uint16_t ethertype;
+#elif defined(BUILD_ETH_LLC)
struct bmp * saps;
- fset_t * np1_flows;
- fqueue_t * fq;
int * ef_to_fd;
+#endif
struct ef * fd_to_ef;
+ fset_t * np1_flows;
+ fqueue_t * fq;
pthread_rwlock_t flows_lock;
pthread_t sdu_writer;
@@ -176,56 +205,60 @@ struct {
pthread_mutex_t mgmt_lock;
pthread_cond_t mgmt_cond;
struct list_head mgmt_frames;
+} eth_data;
-} eth_llc_data;
-
-static int eth_llc_data_init(void)
+static int eth_data_init(void)
{
int i;
int ret = -ENOMEM;
pthread_condattr_t cattr;
- eth_llc_data.fd_to_ef =
- malloc(sizeof(*eth_llc_data.fd_to_ef) * SYS_MAX_FLOWS);
- if (eth_llc_data.fd_to_ef == NULL)
+ eth_data.fd_to_ef =
+ malloc(sizeof(*eth_data.fd_to_ef) * SYS_MAX_FLOWS);
+ if (eth_data.fd_to_ef == NULL)
goto fail_fd_to_ef;
- eth_llc_data.ef_to_fd =
- malloc(sizeof(*eth_llc_data.ef_to_fd) * MAX_SAPS);
- if (eth_llc_data.ef_to_fd == NULL)
+#ifdef BUILD_ETH_LLC
+ eth_data.ef_to_fd =
+ malloc(sizeof(*eth_data.ef_to_fd) * MAX_SAPS);
+ if (eth_data.ef_to_fd == NULL)
goto fail_ef_to_fd;
- eth_llc_data.saps = bmp_create(MAX_SAPS, 2);
- if (eth_llc_data.saps == NULL)
- goto fail_saps;
+ for (i = 0; i < MAX_SAPS; ++i)
+ eth_data.ef_to_fd[i] = -1;
- eth_llc_data.np1_flows = fset_create();
- if (eth_llc_data.np1_flows == NULL)
+ eth_data.saps = bmp_create(MAX_SAPS, 2);
+ if (eth_data.saps == NULL)
+ goto fail_saps;
+#endif
+ eth_data.np1_flows = fset_create();
+ if (eth_data.np1_flows == NULL)
goto fail_np1_flows;
- eth_llc_data.fq = fqueue_create();
- if (eth_llc_data.fq == NULL)
+ eth_data.fq = fqueue_create();
+ if (eth_data.fq == NULL)
goto fail_fq;
- for (i = 0; i < MAX_SAPS; ++i)
- eth_llc_data.ef_to_fd[i] = -1;
-
for (i = 0; i < SYS_MAX_FLOWS; ++i) {
- eth_llc_data.fd_to_ef[i].sap = -1;
- eth_llc_data.fd_to_ef[i].r_sap = -1;
- memset(&eth_llc_data.fd_to_ef[i].r_addr, 0, MAC_SIZE);
+#if defined(BUILD_ETH_DIX)
+ eth_data.fd_to_ef[i].r_eid = -1;
+#elif defined(BUILD_ETH_LLC)
+ eth_data.fd_to_ef[i].sap = -1;
+ eth_data.fd_to_ef[i].r_sap = -1;
+#endif
+ memset(&eth_data.fd_to_ef[i].r_addr, 0, MAC_SIZE);
}
- eth_llc_data.shim_data = shim_data_create();
- if (eth_llc_data.shim_data == NULL)
+ eth_data.shim_data = shim_data_create();
+ if (eth_data.shim_data == NULL)
goto fail_shim_data;
ret = -1;
- if (pthread_rwlock_init(&eth_llc_data.flows_lock, NULL))
+ if (pthread_rwlock_init(&eth_data.flows_lock, NULL))
goto fail_flows_lock;
- if (pthread_mutex_init(&eth_llc_data.mgmt_lock, NULL))
+ if (pthread_mutex_init(&eth_data.mgmt_lock, NULL))
goto fail_mgmt_lock;
if (pthread_condattr_init(&cattr))
@@ -235,57 +268,62 @@ static int eth_llc_data_init(void)
pthread_condattr_setclock(&cattr, PTHREAD_COND_CLOCK);
#endif
- if (pthread_cond_init(&eth_llc_data.mgmt_cond, &cattr))
+ if (pthread_cond_init(&eth_data.mgmt_cond, &cattr))
goto fail_mgmt_cond;
pthread_condattr_destroy(&cattr);
- list_head_init(&eth_llc_data.mgmt_frames);
+ list_head_init(&eth_data.mgmt_frames);
return 0;
fail_mgmt_cond:
pthread_condattr_destroy(&cattr);
fail_condattr:
- pthread_mutex_destroy(&eth_llc_data.mgmt_lock);
+ pthread_mutex_destroy(&eth_data.mgmt_lock);
fail_mgmt_lock:
- pthread_rwlock_destroy(&eth_llc_data.flows_lock);
+ pthread_rwlock_destroy(&eth_data.flows_lock);
fail_flows_lock:
- shim_data_destroy(eth_llc_data.shim_data);
+ shim_data_destroy(eth_data.shim_data);
fail_shim_data:
- fqueue_destroy(eth_llc_data.fq);
+ fqueue_destroy(eth_data.fq);
fail_fq:
- fset_destroy(eth_llc_data.np1_flows);
+ fset_destroy(eth_data.np1_flows);
fail_np1_flows:
- bmp_destroy(eth_llc_data.saps);
+#ifdef BUILD_ETH_LLC
+ bmp_destroy(eth_data.saps);
fail_saps:
- free(eth_llc_data.ef_to_fd);
+ free(eth_data.ef_to_fd);
fail_ef_to_fd:
- free(eth_llc_data.fd_to_ef);
+#endif
+ free(eth_data.fd_to_ef);
fail_fd_to_ef:
return ret;
}
-static void eth_llc_data_fini(void)
+static void eth_data_fini(void)
{
#if defined(HAVE_NETMAP)
- nm_close(eth_llc_data.nmd);
+ nm_close(eth_data.nmd);
#elif defined(HAVE_BPF)
- close(eth_llc_data.bpf);
+ close(eth_data.bpf);
#elif defined(HAVE_RAW_SOCKETS)
- close(eth_llc_data.s_fd);
-#endif
- pthread_cond_destroy(&eth_llc_data.mgmt_cond);
- pthread_mutex_destroy(&eth_llc_data.mgmt_lock);
- pthread_rwlock_destroy(&eth_llc_data.flows_lock);
- shim_data_destroy(eth_llc_data.shim_data);
- fqueue_destroy(eth_llc_data.fq);
- fset_destroy(eth_llc_data.np1_flows);
- bmp_destroy(eth_llc_data.saps);
- free(eth_llc_data.fd_to_ef);
- free(eth_llc_data.ef_to_fd);
+ close(eth_data.s_fd);
+#endif
+ pthread_cond_destroy(&eth_data.mgmt_cond);
+ pthread_mutex_destroy(&eth_data.mgmt_lock);
+ pthread_rwlock_destroy(&eth_data.flows_lock);
+ shim_data_destroy(eth_data.shim_data);
+ fqueue_destroy(eth_data.fq);
+ fset_destroy(eth_data.np1_flows);
+#ifdef BUILD_ETH_LLC
+ bmp_destroy(eth_data.saps);
+ free(eth_data.ef_to_fd);
+#endif
+ free(eth_data.fd_to_ef);
}
+#ifdef BUILD_ETH_LLC
static uint8_t reverse_bits(uint8_t b)
{
b = (b & 0xF0) >> 4 | (b & 0x0F) << 4;
@@ -294,66 +332,80 @@ static uint8_t reverse_bits(uint8_t b)
return b;
}
+#endif
-static int eth_llc_ipcp_send_frame(const uint8_t * dst_addr,
- uint8_t dsap,
- uint8_t ssap,
- const uint8_t * payload,
- size_t len)
+static int eth_ipcp_send_frame(const uint8_t * dst_addr,
+#if defined(BUILD_ETH_DIX)
+ uint16_t deid,
+#elif defined(BUILD_ETH_LLC)
+ uint8_t dsap,
+ uint8_t ssap,
+#endif
+ const uint8_t * payload,
+ size_t len)
{
uint32_t frame_len = 0;
+#ifdef BUILD_ETH_LLC
uint8_t cf = 0x03;
uint16_t length;
- uint8_t frame[SHIM_ETH_LLC_MAX_SDU_SIZE];
- struct eth_llc_frame * llc_frame;
+#endif
+ uint8_t frame[ETH_MAX_SDU_SIZE];
+ struct eth_frame * e_frame;
if (payload == NULL) {
log_err("Payload was NULL.");
return -1;
}
- if (len > SHIM_ETH_LLC_MAX_SDU_SIZE)
+ if (len > ETH_MAX_SDU_SIZE)
return -1;
- llc_frame = (struct eth_llc_frame *) frame;
+ e_frame = (struct eth_frame *) frame;
- memcpy(llc_frame->dst_hwaddr, dst_addr, MAC_SIZE);
- memcpy(llc_frame->src_hwaddr,
+ memcpy(e_frame->dst_hwaddr, dst_addr, MAC_SIZE);
+ memcpy(e_frame->src_hwaddr,
#if defined(HAVE_NETMAP) || defined(HAVE_BPF)
- eth_llc_data.hw_addr,
+ eth_data.hw_addr,
#elif defined(HAVE_RAW_SOCKETS)
- eth_llc_data.device.sll_addr,
+ eth_data.device.sll_addr,
#endif /* HAVE_NETMAP */
MAC_SIZE);
+#if defined(BUILD_ETH_DIX)
+ memcpy(&e_frame->ethertype, &eth_data.ethertype, ETH_TYPE_LENGTH_SIZE);
+ deid = htons(deid);
+ memcpy(&e_frame->eid, &deid, DIX_HEADER_SIZE);
+ frame_len = ETH_HEADER_SIZE + DIX_HEADER_SIZE + len;
+#elif defined(BUILD_ETH_LLC)
length = htons(LLC_HEADER_SIZE + len);
- memcpy(&llc_frame->length, &length, sizeof(length));
- llc_frame->dsap = dsap;
- llc_frame->ssap = ssap;
- llc_frame->cf = cf;
- memcpy(&llc_frame->payload, payload, len);
-
+ memcpy(&e_frame->length, &length, sizeof(length));
+ e_frame->dsap = dsap;
+ e_frame->ssap = ssap;
+ e_frame->cf = cf;
frame_len = ETH_HEADER_SIZE + LLC_HEADER_SIZE + len;
+#endif
+ memcpy(&e_frame->payload, payload, len);
+
#if defined(HAVE_NETMAP)
- if (poll(&eth_llc_data.poll_out, 1, -1) < 0)
+ if (poll(&eth_data.poll_out, 1, -1) < 0)
return -1;
- if (nm_inject(eth_llc_data.nmd, frame, frame_len) != (int) frame_len) {
+ if (nm_inject(eth_data.nmd, frame, frame_len) != (int) frame_len) {
log_dbg("Failed to send message.");
return -1;
}
#elif defined(HAVE_BPF)
- if (write(eth_llc_data.bpf, frame, frame_len) < 0) {
+ if (write(eth_data.bpf, frame, frame_len) < 0) {
log_dbg("Failed to send message.");
return -1;
}
#elif defined(HAVE_RAW_SOCKETS)
- if (sendto(eth_llc_data.s_fd,
+ if (sendto(eth_data.s_fd,
frame,
frame_len,
0,
- (struct sockaddr *) &eth_llc_data.device,
- sizeof(eth_llc_data.device)) <= 0) {
+ (struct sockaddr *) &eth_data.device,
+ sizeof(eth_data.device)) <= 0) {
log_dbg("Failed to send message.");
return -1;
}
@@ -361,10 +413,14 @@ static int eth_llc_ipcp_send_frame(const uint8_t * dst_addr,
return 0;
}
-static int eth_llc_ipcp_sap_alloc(const uint8_t * dst_addr,
- uint8_t ssap,
- const uint8_t * hash,
- qoscube_t cube)
+static int eth_ipcp_alloc(const uint8_t * dst_addr,
+#if defined(BUILD_ETH_DIX)
+ uint16_t eid,
+#elif defined(BUILD_ETH_LLC)
+ uint8_t ssap,
+#endif
+ const uint8_t * hash,
+ qoscube_t cube)
{
uint8_t * buf;
struct mgmt_msg * msg;
@@ -379,40 +435,68 @@ static int eth_llc_ipcp_sap_alloc(const uint8_t * dst_addr,
msg = (struct mgmt_msg *) buf;
msg->code = FLOW_REQ;
+#if defined(BUILD_ETH_DIX)
+ msg->seid = htons(eid);
+#elif defined(BUILD_ETH_LLC)
msg->ssap = ssap;
+#endif
msg->qoscube = cube;
memcpy(msg + 1, hash, ipcp_dir_hash_len());
- ret = eth_llc_ipcp_send_frame(dst_addr, reverse_bits(MGMT_SAP),
- reverse_bits(MGMT_SAP), buf, len);
-
+ ret = eth_ipcp_send_frame(dst_addr,
+#if defined(BUILD_ETH_DIX)
+ MGMT_EID,
+#elif defined(BUILD_ETH_LLC)
+ reverse_bits(MGMT_SAP),
+ reverse_bits(MGMT_SAP),
+#endif
+ buf, len);
free(buf);
return ret;
}
-static int eth_llc_ipcp_sap_alloc_resp(uint8_t * dst_addr,
- uint8_t ssap,
- uint8_t dsap,
- int response)
+static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
+#if defined(BUILD_ETH_DIX)
+ uint16_t seid,
+ uint16_t deid,
+#elif defined(BUILD_ETH_LLC)
+ uint8_t ssap,
+ uint8_t dsap,
+#endif
+ int response)
{
struct mgmt_msg msg;
msg.code = FLOW_REPLY;
+#if defined(BUILD_ETH_DIX)
+ msg.seid = htons(seid);
+ msg.deid = htons(deid);
+#elif defined(BUILD_ETH_LLC)
msg.ssap = ssap;
msg.dsap = dsap;
+#endif
msg.response = response;
- return eth_llc_ipcp_send_frame(dst_addr, reverse_bits(MGMT_SAP),
- reverse_bits(MGMT_SAP),
- (uint8_t *) &msg, sizeof(msg));
+ return eth_ipcp_send_frame(dst_addr,
+#if defined(BUILD_ETH_DIX)
+ MGMT_EID,
+#elif defined(BUILD_ETH_LLC)
+ reverse_bits(MGMT_SAP),
+ reverse_bits(MGMT_SAP),
+#endif
+ (uint8_t *) &msg, sizeof(msg));
}
-static int eth_llc_ipcp_sap_req(uint8_t r_sap,
- uint8_t * r_addr,
- const uint8_t * dst,
- qoscube_t cube)
+static int eth_ipcp_req(uint8_t * r_addr,
+#if defined(BUILD_ETH_DIX)
+ uint16_t r_eid,
+#elif defined(BUILD_ETH_LLC)
+ uint8_t r_sap,
+#endif
+ const uint8_t * dst,
+ qoscube_t cube)
{
struct timespec ts = {0, ALLOC_TIMEO * MILLION};
struct timespec abstime;
@@ -443,50 +527,76 @@ static int eth_llc_ipcp_sap_req(uint8_t r_sap,
return -1;
}
- pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_wrlock(&eth_data.flows_lock);
+#if defined(BUILD_ETH_DIX)
+ eth_data.fd_to_ef[fd].r_eid = r_eid;
+#elif defined(BUILD_ETH_LLC)
+ eth_data.fd_to_ef[fd].r_sap = r_sap;
+#endif
+ memcpy(eth_data.fd_to_ef[fd].r_addr, r_addr, MAC_SIZE);
- eth_llc_data.fd_to_ef[fd].r_sap = r_sap;
- memcpy(eth_llc_data.fd_to_ef[fd].r_addr, r_addr, MAC_SIZE);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
ipcpi.alloc_id = fd;
pthread_cond_broadcast(&ipcpi.alloc_cond);
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
pthread_mutex_unlock(&ipcpi.alloc_lock);
+#if defined(BUILD_ETH_DIX)
+ log_dbg("New flow request, fd %d, remote endpoint %d.", fd, r_eid);
+#elif defined(BUILD_ETH_LLC)
log_dbg("New flow request, fd %d, remote SAP %d.", fd, r_sap);
+#endif
return 0;
}
-static int eth_llc_ipcp_sap_alloc_reply(uint8_t ssap,
- uint8_t * r_addr,
- int dsap,
- int response)
+static int eth_ipcp_alloc_reply(uint8_t * r_addr,
+#if defined(BUILD_ETH_DIX)
+ uint16_t seid,
+ uint16_t deid,
+#elif defined(BUILD_ETH_LLC)
+ uint8_t ssap,
+ int dsap,
+#endif
+ int response)
{
int ret = 0;
int fd = -1;
- pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_wrlock(&eth_data.flows_lock);
- fd = eth_llc_data.ef_to_fd[dsap];
+#if defined(BUILD_ETH_DIX)
+ fd = deid;
+#elif defined(BUILD_ETH_LLC)
+ fd = eth_data.ef_to_fd[dsap];
+#endif
if (fd < 0) {
- pthread_rwlock_unlock(& eth_llc_data.flows_lock);
+ pthread_rwlock_unlock(& eth_data.flows_lock);
log_err("No flow found with that SAP.");
return -1; /* -EFLOWNOTFOUND */
}
if (response) {
- bmp_release(eth_llc_data.saps, eth_llc_data.fd_to_ef[fd].sap);
+#ifdef BUILD_ETH_LLC
+ bmp_release(eth_data.saps, eth_data.fd_to_ef[fd].sap);
+#endif
} else {
- eth_llc_data.fd_to_ef[fd].r_sap = ssap;
- memcpy(eth_llc_data.fd_to_ef[fd].r_addr, r_addr, MAC_SIZE);
+#if defined(BUILD_ETH_DIX)
+ eth_data.fd_to_ef[fd].r_eid = seid;
+#elif defined(BUILD_ETH_LLC)
+ eth_data.fd_to_ef[fd].r_sap = ssap;
+#endif
+ memcpy(eth_data.fd_to_ef[fd].r_addr, r_addr, MAC_SIZE);
}
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
+#if defined(BUILD_ETH_DIX)
+ log_dbg("Flow reply, fd %d, src eid %d, dst eid %d.", fd, seid, deid);
+#elif defined(BUILD_ETH_LLC)
log_dbg("Flow reply, fd %d, SSAP %d, DSAP %d.", fd, ssap, dsap);
-
+#endif
if ((ret = ipcp_flow_alloc_reply(fd, response)) < 0)
return -1;
@@ -494,14 +604,14 @@ static int eth_llc_ipcp_sap_alloc_reply(uint8_t ssap,
}
-static int eth_llc_ipcp_name_query_req(const uint8_t * hash,
- uint8_t * r_addr)
+static int eth_ipcp_name_query_req(const uint8_t * hash,
+ uint8_t * r_addr)
{
uint8_t * buf;
struct mgmt_msg * msg;
size_t len;
- if (shim_data_reg_has(eth_llc_data.shim_data, hash)) {
+ if (shim_data_reg_has(eth_data.shim_data, hash)) {
len = sizeof(*msg) + ipcp_dir_hash_len();
buf = malloc(len);
@@ -513,8 +623,14 @@ static int eth_llc_ipcp_name_query_req(const uint8_t * hash,
memcpy(msg + 1, hash, ipcp_dir_hash_len());
- if (eth_llc_ipcp_send_frame(r_addr, reverse_bits(MGMT_SAP),
- reverse_bits(MGMT_SAP), buf, len)) {
+ if (eth_ipcp_send_frame(r_addr,
+#if defined(BUILD_ETH_DIX)
+ MGMT_EID,
+#elif defined(BUILD_ETH_LLC)
+ reverse_bits(MGMT_SAP),
+ reverse_bits(MGMT_SAP),
+#endif
+ buf, len)) {
log_err("Failed to send management frame.");
free(buf);
return -1;
@@ -526,22 +642,22 @@ static int eth_llc_ipcp_name_query_req(const uint8_t * hash,
return 0;
}
-static int eth_llc_ipcp_name_query_reply(const uint8_t * hash,
- uint8_t * r_addr)
+static int eth_ipcp_name_query_reply(const uint8_t * hash,
+ uint8_t * r_addr)
{
uint64_t address = 0;
memcpy(&address, r_addr, MAC_SIZE);
- shim_data_dir_add_entry(eth_llc_data.shim_data, hash, address);
+ shim_data_dir_add_entry(eth_data.shim_data, hash, address);
- shim_data_dir_query_respond(eth_llc_data.shim_data, hash);
+ shim_data_dir_query_respond(eth_data.shim_data, hash);
return 0;
}
-static int eth_llc_ipcp_mgmt_frame(const uint8_t * buf,
- uint8_t * r_addr)
+static int eth_ipcp_mgmt_frame(const uint8_t * buf,
+ uint8_t * r_addr)
{
struct mgmt_msg * msg;
@@ -549,25 +665,34 @@ static int eth_llc_ipcp_mgmt_frame(const uint8_t * buf,
switch (msg->code) {
case FLOW_REQ:
- if (shim_data_reg_has(eth_llc_data.shim_data,
+ if (shim_data_reg_has(eth_data.shim_data,
buf + sizeof(*msg))) {
- eth_llc_ipcp_sap_req(msg->ssap,
- r_addr,
- buf + sizeof(*msg),
- msg->qoscube);
+ eth_ipcp_req(r_addr,
+#if defined(BUILD_ETH_DIX)
+ ntohs(msg->seid),
+#elif defined(BUILD_ETH_LLC)
+ msg->ssap,
+#endif
+ buf + sizeof(*msg),
+ msg->qoscube);
}
break;
case FLOW_REPLY:
- eth_llc_ipcp_sap_alloc_reply(msg->ssap,
- r_addr,
- msg->dsap,
- msg->response);
+ eth_ipcp_alloc_reply(r_addr,
+#if defined(BUILD_ETH_DIX)
+ ntohs(msg->seid),
+ ntohs(msg->deid),
+#elif defined(BUILD_ETH_LLC)
+ msg->ssap,
+ msg->dsap,
+#endif
+ msg->response);
break;
case NAME_QUERY_REQ:
- eth_llc_ipcp_name_query_req(buf + sizeof(*msg), r_addr);
+ eth_ipcp_name_query_req(buf + sizeof(*msg), r_addr);
break;
case NAME_QUERY_REPLY:
- eth_llc_ipcp_name_query_reply(buf + sizeof(*msg), r_addr);
+ eth_ipcp_name_query_reply(buf + sizeof(*msg), r_addr);
break;
default:
log_err("Unknown message received %d.", msg->code);
@@ -577,7 +702,7 @@ static int eth_llc_ipcp_mgmt_frame(const uint8_t * buf,
return 0;
}
-static void * eth_llc_ipcp_mgmt_handler(void * o)
+static void * eth_ipcp_mgmt_handler(void * o)
{
int ret;
struct timespec timeout = {(MGMT_TIMEO / 1000),
@@ -588,7 +713,7 @@ static void * eth_llc_ipcp_mgmt_handler(void * o)
(void) o;
pthread_cleanup_push((void (*)(void *)) pthread_mutex_unlock,
- (void *) &eth_llc_data.mgmt_lock);
+ (void *) &eth_data.mgmt_lock);
while (true) {
ret = 0;
@@ -596,30 +721,30 @@ static void * eth_llc_ipcp_mgmt_handler(void * o)
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
ts_add(&abstime, &timeout, &abstime);
- pthread_mutex_lock(&eth_llc_data.mgmt_lock);
+ pthread_mutex_lock(&eth_data.mgmt_lock);
- while (list_is_empty(&eth_llc_data.mgmt_frames) &&
+ while (list_is_empty(&eth_data.mgmt_frames) &&
ret != -ETIMEDOUT)
- ret = -pthread_cond_timedwait(&eth_llc_data.mgmt_cond,
- &eth_llc_data.mgmt_lock,
+ ret = -pthread_cond_timedwait(&eth_data.mgmt_cond,
+ &eth_data.mgmt_lock,
&abstime);
if (ret == -ETIMEDOUT) {
- pthread_mutex_unlock(&eth_llc_data.mgmt_lock);
+ pthread_mutex_unlock(&eth_data.mgmt_lock);
continue;
}
- frame = list_first_entry((&eth_llc_data.mgmt_frames),
+ frame = list_first_entry((&eth_data.mgmt_frames),
struct mgmt_frame, next);
if (frame == NULL) {
- pthread_mutex_unlock(&eth_llc_data.mgmt_lock);
+ pthread_mutex_unlock(&eth_data.mgmt_lock);
continue;
}
list_del(&frame->next);
- pthread_mutex_unlock(&eth_llc_data.mgmt_lock);
+ pthread_mutex_unlock(&eth_data.mgmt_lock);
- eth_llc_ipcp_mgmt_frame(frame->buf, frame->r_addr);
+ eth_ipcp_mgmt_frame(frame->buf, frame->r_addr);
free(frame);
}
@@ -628,24 +753,28 @@ static void * eth_llc_ipcp_mgmt_handler(void * o)
return (void *) 0;
}
-static void * eth_llc_ipcp_sdu_reader(void * o)
+static void * eth_ipcp_sdu_reader(void * o)
{
- uint8_t br_addr[MAC_SIZE];
- uint16_t length;
- uint8_t dsap;
- uint8_t ssap;
- int fd;
+ uint8_t br_addr[MAC_SIZE];
+#if defined(BUILD_ETH_DIX)
+ uint16_t deid;
+#elif defined(BUILD_ETH_LLC)
+ uint8_t dsap;
+ uint8_t ssap;
+#endif
+ uint16_t length;
+ int fd;
#if defined(HAVE_NETMAP)
- uint8_t * buf;
- struct nm_pkthdr hdr;
+ uint8_t * buf;
+ struct nm_pkthdr hdr;
#elif defined(HAVE_BPF)
- uint8_t buf[BPF_BLEN];
+ uint8_t buf[BPF_BLEN];
#elif defined(HAVE_RAW_SOCKETS)
- uint8_t buf[ETH_FRAME_SIZE];
+ uint8_t buf[ETH_FRAME_SIZE];
#endif
- int frame_len = 0;
- struct eth_llc_frame * llc_frame;
- struct mgmt_frame * frame;
+ int frame_len = 0;
+ struct eth_frame * e_frame;
+ struct mgmt_frame * frame;
(void) o;
@@ -653,45 +782,53 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
while (true) {
#if defined(HAVE_NETMAP)
- if (poll(&eth_llc_data.poll_in, 1, -1) < 0)
+ if (poll(&eth_data.poll_in, 1, -1) < 0)
continue;
- if (eth_llc_data.poll_in.revents == 0) /* TIMED OUT */
+ if (eth_data.poll_in.revents == 0) /* TIMED OUT */
continue;
- buf = nm_nextpkt(eth_llc_data.nmd, &hdr);
+ buf = nm_nextpkt(eth_data.nmd, &hdr);
if (buf == NULL) {
log_err("Bad read from netmap device.");
continue;
}
#elif defined(HAVE_BPF)
- frame_len = read(eth_llc_data.bpf, buf, BPF_BLEN);
+ frame_len = read(eth_data.bpf, buf, BPF_BLEN);
#elif defined(HAVE_RAW_SOCKETS)
- frame_len = recv(eth_llc_data.s_fd, buf,
- SHIM_ETH_LLC_MAX_SDU_SIZE, 0);
+ frame_len = recv(eth_data.s_fd, buf,
+ ETH_MAX_SDU_SIZE, 0);
#endif
if (frame_len <= 0)
continue;
#if defined(HAVE_BPF) && !defined(HAVE_NETMAP)
- llc_frame = (struct eth_llc_frame *)
+ e_frame = (struct eth_frame *)
(buf + ((struct bpf_hdr *) buf)->bh_hdrlen);
#else
- llc_frame = (struct eth_llc_frame *) buf;
+ e_frame = (struct eth_frame *) buf;
#endif
- assert(llc_frame->dst_hwaddr);
+ assert(e_frame->dst_hwaddr);
#if !defined(HAVE_BPF)
#if defined(HAVE_NETMAP)
- if (memcmp(eth_llc_data.hw_addr,
+ if (memcmp(eth_data.hw_addr,
#elif defined(HAVE_RAW_SOCKETS)
- if (memcmp(eth_llc_data.device.sll_addr,
+ if (memcmp(eth_data.device.sll_addr,
#endif /* HAVE_NETMAP */
- llc_frame->dst_hwaddr,
+ e_frame->dst_hwaddr,
MAC_SIZE) &&
- memcmp(br_addr, llc_frame->dst_hwaddr, MAC_SIZE)) {
+ memcmp(br_addr, e_frame->dst_hwaddr, MAC_SIZE)) {
}
#endif
- memcpy(&length, &llc_frame->length, sizeof(length));
+
+#if defined(BUILD_ETH_DIX)
+ length = frame_len - ETH_HEADER_SIZE - DIX_HEADER_SIZE;
+ memcpy(&deid, &e_frame->eid, sizeof(deid));
+ deid = ntohs(deid);
+
+ if (deid == MGMT_EID) {
+#elif defined (BUILD_ETH_LLC)
+ memcpy(&length, &e_frame->length, sizeof(length));
length = ntohs(length);
if (length > 0x05FF) /* DIX */
@@ -699,82 +836,100 @@ static void * eth_llc_ipcp_sdu_reader(void * o)
length -= LLC_HEADER_SIZE;
- dsap = reverse_bits(llc_frame->dsap);
- ssap = reverse_bits(llc_frame->ssap);
+ dsap = reverse_bits(e_frame->dsap);
+ ssap = reverse_bits(e_frame->ssap);
if (ssap == MGMT_SAP && dsap == MGMT_SAP) {
- pthread_mutex_lock(&eth_llc_data.mgmt_lock);
+#endif
+ pthread_mutex_lock(&eth_data.mgmt_lock);
frame = malloc(sizeof(*frame));
if (frame == NULL) {
- pthread_mutex_unlock(&eth_llc_data.mgmt_lock);
+ pthread_mutex_unlock(&eth_data.mgmt_lock);
continue;
}
- memcpy(frame->buf, &llc_frame->payload, length);
- memcpy(frame->r_addr, llc_frame->src_hwaddr, MAC_SIZE);
- frame->len = length;
- list_add(&frame->next, &eth_llc_data.mgmt_frames);
- pthread_cond_signal(&eth_llc_data.mgmt_cond);
- pthread_mutex_unlock(&eth_llc_data.mgmt_lock);
+ memcpy(frame->buf, &e_frame->payload, length);
+ memcpy(frame->r_addr, e_frame->src_hwaddr, MAC_SIZE);
+ list_add(&frame->next, &eth_data.mgmt_frames);
+ pthread_cond_signal(&eth_data.mgmt_cond);
+ pthread_mutex_unlock(&eth_data.mgmt_lock);
} else {
- pthread_rwlock_rdlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_rdlock(&eth_data.flows_lock);
- fd = eth_llc_data.ef_to_fd[dsap];
+#if defined(BUILD_ETH_DIX)
+ fd = deid;
+#elif defined(BUILD_ETH_LLC)
+ fd = eth_data.ef_to_fd[dsap];
+#endif
if (fd < 0) {
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
continue;
}
- if (eth_llc_data.fd_to_ef[fd].r_sap != ssap
- || memcmp(eth_llc_data.fd_to_ef[fd].r_addr,
- llc_frame->src_hwaddr, MAC_SIZE)) {
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+#ifdef BUILD_ETH_LLC
+ if (eth_data.fd_to_ef[fd].r_sap != ssap
+ || memcmp(eth_data.fd_to_ef[fd].r_addr,
+ e_frame->src_hwaddr, MAC_SIZE)) {
+ pthread_rwlock_unlock(&eth_data.flows_lock);
continue;
}
+#endif
+ pthread_rwlock_unlock(&eth_data.flows_lock);
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
-
- flow_write(fd, &llc_frame->payload, length);
+ flow_write(fd, &e_frame->payload, length);
}
}
return (void *) 0;
}
-static void * eth_llc_ipcp_sdu_writer(void * o)
+static void * eth_ipcp_sdu_writer(void * o)
{
int fd;
struct shm_du_buff * sdb;
- uint8_t ssap;
+#if defined(BUILD_ETH_DIX)
+ uint16_t deid;
+#elif defined(BUILD_ETH_LLC)
uint8_t dsap;
+ uint8_t ssap;
+#endif
uint8_t r_addr[MAC_SIZE];
(void) o;
while (true) {
- fevent(eth_llc_data.np1_flows, eth_llc_data.fq, NULL);
+ fevent(eth_data.np1_flows, eth_data.fq, NULL);
- pthread_rwlock_rdlock(&eth_llc_data.flows_lock);
- while ((fd = fqueue_next(eth_llc_data.fq)) >= 0) {
+ pthread_rwlock_rdlock(&eth_data.flows_lock);
+ while ((fd = fqueue_next(eth_data.fq)) >= 0) {
if (ipcp_flow_read(fd, &sdb)) {
log_err("Bad read from fd %d.", fd);
continue;
}
- ssap = reverse_bits(eth_llc_data.fd_to_ef[fd].sap);
- dsap = reverse_bits(eth_llc_data.fd_to_ef[fd].r_sap);
+#if defined(BUILD_ETH_DIX)
+ deid = eth_data.fd_to_ef[fd].r_eid;
+#elif defined(BUILD_ETH_LLC)
+ dsap = reverse_bits(eth_data.fd_to_ef[fd].r_sap);
+ ssap = reverse_bits(eth_data.fd_to_ef[fd].sap);
+#endif
memcpy(r_addr,
- eth_llc_data.fd_to_ef[fd].r_addr,
+ eth_data.fd_to_ef[fd].r_addr,
MAC_SIZE);
- eth_llc_ipcp_send_frame(r_addr, dsap, ssap,
- shm_du_buff_head(sdb),
- shm_du_buff_tail(sdb)
- - shm_du_buff_head(sdb));
+ eth_ipcp_send_frame(r_addr,
+#if defined(BUILD_ETH_DIX)
+ deid,
+#elif defined(BUILD_ETH_LLC)
+ dsap, ssap,
+#endif
+ shm_du_buff_head(sdb),
+ shm_du_buff_tail(sdb)
+ - shm_du_buff_head(sdb));
ipcp_sdb_release(sdb);
}
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
}
return (void *) 1;
@@ -808,21 +963,31 @@ static void change_flows_state(bool up)
int i;
uint32_t flags;
- pthread_rwlock_rdlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_rdlock(&eth_data.flows_lock);
- for (i = 0; i < MAX_SAPS; i++) {
- if (eth_llc_data.ef_to_fd[i] != -1) {
+#if defined(BUILD_ETH_DIX)
+ for (i = 0; i < SYS_MAX_FLOWS; ++i)
+ if (eth_data.fd_to_ef[i].r_eid != -1) {
fccntl(i, FLOWGFLAGS, &flags);
if (up)
- fccntl(eth_llc_data.ef_to_fd[i],
+ fccntl(i, FLOWSFLAGS, flags & ~FLOWFDOWN);
+ else
+ fccntl(i, FLOWSFLAGS, flags | FLOWFDOWN);
+ }
+#elif defined(BUILD_ETH_LLC)
+ for (i = 0; i < MAX_SAPS; i++)
+ if (eth_data.ef_to_fd[i] != -1) {
+ fccntl(eth_data.ef_to_fd[i], FLOWGFLAGS, &flags);
+ if (up)
+ fccntl(eth_data.ef_to_fd[i],
FLOWSFLAGS, flags & ~FLOWFDOWN);
else
- fccntl(eth_llc_data.ef_to_fd[i],
+ fccntl(eth_data.ef_to_fd[i],
FLOWSFLAGS, flags | FLOWFDOWN);
}
- }
+#endif
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
}
static void close_ptr(void * o)
@@ -831,7 +996,7 @@ static void close_ptr(void * o)
}
-static void * eth_llc_ipcp_if_monitor(void * o)
+static void * eth_ipcp_if_monitor(void * o)
{
int fd;
int status;
@@ -877,7 +1042,7 @@ static void * eth_llc_ipcp_if_monitor(void * o)
ifi = NLMSG_DATA(h);
/* Not our interface */
- if (ifi->ifi_index != eth_llc_data.device.sll_ifindex)
+ if (ifi->ifi_index != eth_data.device.sll_ifindex)
continue;
if (ifi->ifi_flags & IFF_UP) {
@@ -916,7 +1081,7 @@ static int open_bpf_device(void)
}
#endif
-static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
+static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
{
int idx;
struct ifreq ifr;
@@ -937,13 +1102,17 @@ static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
assert(conf);
assert(conf->type == THIS_TYPE);
- if (conf->if_name == NULL) {
- log_err("Interface name is NULL.");
+ if (conf->dev == NULL) {
+ log_err("Device name is NULL.");
return -1;
}
memset(&ifr, 0, sizeof(ifr));
- memcpy(ifr.ifr_name, conf->if_name, strlen(conf->if_name));
+ memcpy(ifr.ifr_name, conf->dev, strlen(conf->dev));
+
+#ifdef BUILD_ETH_DIX
+ eth_data.ethertype = htons(conf->ethertype);
+#endif
#if defined(__FreeBSD__) || defined(__APPLE__)
if (getifaddrs(&ifaddr) < 0) {
@@ -952,12 +1121,12 @@ static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
}
for (ifa = ifaddr, idx = 0; ifa != NULL; ifa = ifa->ifa_next, ++idx) {
- if (strcmp(ifa->ifa_name, conf->if_name))
+ if (strcmp(ifa->ifa_name, conf->dev))
continue;
- log_dbg("Interface %s found.", conf->if_name);
+ log_dbg("Interface %s found.", conf->dev);
#if defined(HAVE_NETMAP) || defined(HAVE_BPF)
- memcpy(eth_llc_data.hw_addr,
+ memcpy(eth_data.hw_addr,
LLADDR((struct sockaddr_dl *) (ifa)->ifa_addr),
MAC_SIZE);
#elif defined (HAVE_RAW_SOCKETS)
@@ -988,7 +1157,7 @@ static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
close(skfd);
- idx = if_nametoindex(conf->if_name);
+ idx = if_nametoindex(conf->dev);
if (idx == 0) {
log_err("Failed to retrieve interface index.");
close(skfd);
@@ -998,76 +1167,81 @@ static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
#if defined(HAVE_NETMAP)
strcpy(ifn, "netmap:");
- strcat(ifn, conf->if_name);
+ strcat(ifn, conf->dev);
- eth_llc_data.nmd = nm_open(ifn, NULL, 0, NULL);
- if (eth_llc_data.nmd == NULL) {
+ eth_data.nmd = nm_open(ifn, NULL, 0, NULL);
+ if (eth_data.nmd == NULL) {
log_err("Failed to open netmap device.");
return -1;
}
- memset(&eth_llc_data.poll_in, 0, sizeof(eth_llc_data.poll_in));
- memset(&eth_llc_data.poll_out, 0, sizeof(eth_llc_data.poll_out));
+ memset(&eth_data.poll_in, 0, sizeof(eth_data.poll_in));
+ memset(&eth_data.poll_out, 0, sizeof(eth_data.poll_out));
- eth_llc_data.poll_in.fd = NETMAP_FD(eth_llc_data.nmd);
- eth_llc_data.poll_in.events = POLLIN;
- eth_llc_data.poll_out.fd = NETMAP_FD(eth_llc_data.nmd);
- eth_llc_data.poll_out.events = POLLOUT;
+ eth_data.poll_in.fd = NETMAP_FD(eth_data.nmd);
+ eth_data.poll_in.events = POLLIN;
+ eth_data.poll_out.fd = NETMAP_FD(eth_data.nmd);
+ eth_data.poll_out.events = POLLOUT;
log_info("Using netmap device.");
#elif defined(HAVE_BPF) /* !HAVE_NETMAP */
- eth_llc_data.bpf = open_bpf_device();
- if (eth_llc_data.bpf < 0) {
+ eth_data.bpf = open_bpf_device();
+ if (eth_data.bpf < 0) {
log_err("Failed to open bpf device.");
return -1;
}
- ioctl(eth_llc_data.bpf, BIOCGBLEN, &blen);
+ ioctl(eth_data.bpf, BIOCGBLEN, &blen);
if (BPF_BLEN < blen) {
log_err("BPF buffer too small (is: %ld must be: %d).",
BPF_BLEN, blen);
goto fail_device;
}
- if (ioctl(eth_llc_data.bpf, BIOCSETIF, &ifr) < 0) {
+ if (ioctl(eth_data.bpf, BIOCSETIF, &ifr) < 0) {
log_err("Failed to set interface.");
goto fail_device;
}
- if (ioctl(eth_llc_data.bpf, BIOCSHDRCMPLT, &enable) < 0) {
+ if (ioctl(eth_data.bpf, BIOCSHDRCMPLT, &enable) < 0) {
log_err("Failed to set BIOCSHDRCMPLT.");
goto fail_device;
}
- if (ioctl(eth_llc_data.bpf, BIOCSSEESENT, &disable) < 0) {
+ if (ioctl(eth_data.bpf, BIOCSSEESENT, &disable) < 0) {
log_err("Failed to set BIOCSSEESENT.");
goto fail_device;
}
- if (ioctl(eth_llc_data.bpf, BIOCIMMEDIATE, &enable) < 0) {
+ if (ioctl(eth_data.bpf, BIOCIMMEDIATE, &enable) < 0) {
log_err("Failed to set BIOCIMMEDIATE.");
goto fail_device;
}
log_info("Using Berkeley Packet Filter.");
#elif defined(HAVE_RAW_SOCKETS)
- memset(&(eth_llc_data.device), 0, sizeof(eth_llc_data.device));
- eth_llc_data.device.sll_ifindex = idx;
- eth_llc_data.device.sll_family = AF_PACKET;
- memcpy(eth_llc_data.device.sll_addr, ifr.ifr_hwaddr.sa_data, MAC_SIZE);
- eth_llc_data.device.sll_halen = MAC_SIZE;
- eth_llc_data.device.sll_protocol = htons(ETH_P_ALL);
- eth_llc_data.s_fd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_802_2));
+ memset(&(eth_data.device), 0, sizeof(eth_data.device));
+ eth_data.device.sll_ifindex = idx;
+ eth_data.device.sll_family = AF_PACKET;
+ memcpy(eth_data.device.sll_addr, ifr.ifr_hwaddr.sa_data, MAC_SIZE);
+ eth_data.device.sll_halen = MAC_SIZE;
+ eth_data.device.sll_protocol = htons(ETH_P_ALL);
+
+ #if defined (BUILD_ETH_DIX)
+ eth_data.s_fd = socket(AF_PACKET, SOCK_RAW, eth_data.ethertype);
+ #elif defined (BUILD_ETH_LLC)
+ eth_data.s_fd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_802_2));
+ #endif
log_info("Using raw socket device.");
- if (eth_llc_data.s_fd < 0) {
+ if (eth_data.s_fd < 0) {
log_err("Failed to create socket.");
return -1;
}
- if (bind(eth_llc_data.s_fd, (struct sockaddr *) &eth_llc_data.device,
- sizeof(eth_llc_data.device))) {
+ if (bind(eth_data.s_fd, (struct sockaddr *) &eth_data.device,
+ sizeof(eth_data.device))) {
log_err("Failed to bind socket to interface");
goto fail_device;
}
@@ -1076,71 +1250,76 @@ static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
ipcp_set_state(IPCP_OPERATIONAL);
#ifdef __linux__
- if (pthread_create(&eth_llc_data.if_monitor,
+ if (pthread_create(&eth_data.if_monitor,
NULL,
- eth_llc_ipcp_if_monitor,
+ eth_ipcp_if_monitor,
NULL)) {
ipcp_set_state(IPCP_INIT);
goto fail_device;
}
#endif
- if (pthread_create(&eth_llc_data.mgmt_handler,
+ if (pthread_create(&eth_data.mgmt_handler,
NULL,
- eth_llc_ipcp_mgmt_handler,
+ eth_ipcp_mgmt_handler,
NULL)) {
ipcp_set_state(IPCP_INIT);
goto fail_mgmt_handler;
}
- if (pthread_create(&eth_llc_data.sdu_reader,
+ if (pthread_create(&eth_data.sdu_reader,
NULL,
- eth_llc_ipcp_sdu_reader,
+ eth_ipcp_sdu_reader,
NULL)) {
ipcp_set_state(IPCP_INIT);
goto fail_sdu_reader;
}
- if (pthread_create(&eth_llc_data.sdu_writer,
+ if (pthread_create(&eth_data.sdu_writer,
NULL,
- eth_llc_ipcp_sdu_writer,
+ eth_ipcp_sdu_writer,
NULL)) {
ipcp_set_state(IPCP_INIT);
goto fail_sdu_writer;
}
+#if defined(BUILD_ETH_DIX)
+ log_dbg("Bootstrapped IPCP over DIX Ethernet with pid %d "
+ "and Ethertype 0x%X.", getpid(), conf->ethertype);
+#elif defined(BUILD_ETH_LLC)
log_dbg("Bootstrapped IPCP over Ethernet with LLC with pid %d.",
getpid());
+#endif
return 0;
fail_sdu_writer:
- pthread_cancel(eth_llc_data.sdu_reader);
- pthread_join(eth_llc_data.sdu_reader, NULL);
+ pthread_cancel(eth_data.sdu_reader);
+ pthread_join(eth_data.sdu_reader, NULL);
fail_sdu_reader:
- pthread_cancel(eth_llc_data.mgmt_handler);
- pthread_join(eth_llc_data.mgmt_handler, NULL);
+ pthread_cancel(eth_data.mgmt_handler);
+ pthread_join(eth_data.mgmt_handler, NULL);
fail_mgmt_handler:
#if defined(__linux__)
- pthread_cancel(eth_llc_data.if_monitor);
- pthread_join(eth_llc_data.if_monitor, NULL);
+ pthread_cancel(eth_data.if_monitor);
+ pthread_join(eth_data.if_monitor, NULL);
#endif
#if !defined(HAVE_NETMAP)
fail_device:
#endif
#if defined(HAVE_NETMAP)
- nm_close(eth_llc_data.nmd);
+ nm_close(eth_data.nmd);
#elif defined(HAVE_BPF)
- close(eth_llc_data.bpf);
+ close(eth_data.bpf);
#elif defined(HAVE_RAW_SOCKETS)
- close(eth_llc_data.s_fd);
+ close(eth_data.s_fd);
#endif
return -1;
}
-static int eth_llc_ipcp_reg(const uint8_t * hash)
+static int eth_ipcp_reg(const uint8_t * hash)
{
- if (shim_data_reg_add_entry(eth_llc_data.shim_data, hash)) {
+ if (shim_data_reg_add_entry(eth_data.shim_data, hash)) {
log_err("Failed to add " HASH_FMT " to local registry.",
HASH_VAL(hash));
return -1;
@@ -1151,14 +1330,14 @@ static int eth_llc_ipcp_reg(const uint8_t * hash)
return 0;
}
-static int eth_llc_ipcp_unreg(const uint8_t * hash)
+static int eth_ipcp_unreg(const uint8_t * hash)
{
- shim_data_reg_del_entry(eth_llc_data.shim_data, hash);
+ shim_data_reg_del_entry(eth_data.shim_data, hash);
return 0;
}
-static int eth_llc_ipcp_query(const uint8_t * hash)
+static int eth_ipcp_query(const uint8_t * hash)
{
uint8_t r_addr[MAC_SIZE];
struct timespec timeout = {(NAME_QUERY_TIMEO / 1000),
@@ -1169,7 +1348,7 @@ static int eth_llc_ipcp_query(const uint8_t * hash)
struct mgmt_msg * msg;
size_t len;
- if (shim_data_dir_has(eth_llc_data.shim_data, hash))
+ if (shim_data_dir_has(eth_data.shim_data, hash))
return 0;
len = sizeof(*msg) + ipcp_dir_hash_len();
@@ -1185,16 +1364,22 @@ static int eth_llc_ipcp_query(const uint8_t * hash)
memset(r_addr, 0xff, MAC_SIZE);
- query = shim_data_dir_query_create(eth_llc_data.shim_data, hash);
+ query = shim_data_dir_query_create(eth_data.shim_data, hash);
if (query == NULL) {
free(buf);
return -1;
}
- if (eth_llc_ipcp_send_frame(r_addr, reverse_bits(MGMT_SAP),
- reverse_bits(MGMT_SAP), buf, len)) {
+ if (eth_ipcp_send_frame(r_addr,
+#if defined(BUILD_ETH_DIX)
+ MGMT_EID,
+#elif defined(BUILD_ETH_LLC)
+ reverse_bits(MGMT_SAP),
+ reverse_bits(MGMT_SAP),
+#endif
+ buf, len)) {
log_err("Failed to send management frame.");
- shim_data_dir_query_destroy(eth_llc_data.shim_data, query);
+ shim_data_dir_query_destroy(eth_data.shim_data, query);
free(buf);
return -1;
}
@@ -1203,16 +1388,18 @@ static int eth_llc_ipcp_query(const uint8_t * hash)
ret = shim_data_dir_query_wait(query, &timeout);
- shim_data_dir_query_destroy(eth_llc_data.shim_data, query);
+ shim_data_dir_query_destroy(eth_data.shim_data, query);
return ret;
}
-static int eth_llc_ipcp_flow_alloc(int fd,
- const uint8_t * hash,
- qoscube_t cube)
+static int eth_ipcp_flow_alloc(int fd,
+ const uint8_t * hash,
+ qoscube_t cube)
{
+#ifdef BUILD_ETH_LLC
uint8_t ssap = 0;
+#endif
uint8_t r_addr[MAC_SIZE];
uint64_t addr = 0;
@@ -1225,50 +1412,64 @@ static int eth_llc_ipcp_flow_alloc(int fd,
return -1;
}
- if (!shim_data_dir_has(eth_llc_data.shim_data, hash)) {
+ if (!shim_data_dir_has(eth_data.shim_data, hash)) {
log_err("Destination unreachable.");
return -1;
}
- addr = shim_data_dir_get_addr(eth_llc_data.shim_data, hash);
+ addr = shim_data_dir_get_addr(eth_data.shim_data, hash);
- pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
-
- ssap = bmp_allocate(eth_llc_data.saps);
- if (!bmp_is_id_valid(eth_llc_data.saps, ssap)) {
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_wrlock(&eth_data.flows_lock);
+#ifdef BUILD_ETH_LLC
+ ssap = bmp_allocate(eth_data.saps);
+ if (!bmp_is_id_valid(eth_data.saps, ssap)) {
+ pthread_rwlock_unlock(&eth_data.flows_lock);
return -1;
}
- eth_llc_data.fd_to_ef[fd].sap = ssap;
- eth_llc_data.ef_to_fd[ssap] = fd;
-
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ eth_data.fd_to_ef[fd].sap = ssap;
+ eth_data.ef_to_fd[ssap] = fd;
+#endif
+ pthread_rwlock_unlock(&eth_data.flows_lock);
memcpy(r_addr, &addr, MAC_SIZE);
- if (eth_llc_ipcp_sap_alloc(r_addr, ssap, hash, cube) < 0) {
- pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
- bmp_release(eth_llc_data.saps, eth_llc_data.fd_to_ef[fd].sap);
- eth_llc_data.fd_to_ef[fd].sap = -1;
- eth_llc_data.ef_to_fd[ssap] = -1;
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ if (eth_ipcp_alloc(r_addr,
+#if defined(BUILD_ETH_DIX)
+ fd,
+#elif defined(BUILD_ETH_LLC)
+ ssap,
+#endif
+ hash, cube) < 0) {
+#ifdef BUILD_ETH_LLC
+ pthread_rwlock_wrlock(&eth_data.flows_lock);
+ bmp_release(eth_data.saps, eth_data.fd_to_ef[fd].sap);
+ eth_data.fd_to_ef[fd].sap = -1;
+ eth_data.ef_to_fd[ssap] = -1;
+ pthread_rwlock_unlock(&eth_data.flows_lock);
+#endif
return -1;
}
- fset_add(eth_llc_data.np1_flows, fd);
-
+ fset_add(eth_data.np1_flows, fd);
+#if defined(BUILD_ETH_DIX)
+ log_dbg("Pending flow with fd %d.", fd);
+#elif defined(BUILD_ETH_LLC)
log_dbg("Pending flow with fd %d on SAP %d.", fd, ssap);
-
+#endif
return 0;
}
-static int eth_llc_ipcp_flow_alloc_resp(int fd,
- int response)
+static int eth_ipcp_flow_alloc_resp(int fd,
+ int response)
{
struct timespec ts = {0, ALLOC_TIMEO * MILLION};
struct timespec abstime;
- uint8_t ssap = 0;
- uint8_t r_sap = 0;
+#if defined(BUILD_ETH_DIX)
+ uint16_t r_eid;
+#elif defined(BUILD_ETH_LLC)
+ uint8_t ssap;
+ uint8_t r_sap;
+#endif
uint8_t r_addr[MAC_SIZE];
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
@@ -1292,56 +1493,71 @@ static int eth_llc_ipcp_flow_alloc_resp(int fd,
pthread_mutex_unlock(&ipcpi.alloc_lock);
- pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
-
- ssap = bmp_allocate(eth_llc_data.saps);
- if (!bmp_is_id_valid(eth_llc_data.saps, ssap)) {
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_wrlock(&eth_data.flows_lock);
+#if defined(BUILD_ETH_DIX)
+ r_eid = eth_data.fd_to_ef[fd].r_eid;
+#elif defined(BUILD_ETH_LLC)
+ ssap = bmp_allocate(eth_data.saps);
+ if (!bmp_is_id_valid(eth_data.saps, ssap)) {
+ pthread_rwlock_unlock(&eth_data.flows_lock);
return -1;
}
- eth_llc_data.fd_to_ef[fd].sap = ssap;
- memcpy(r_addr, eth_llc_data.fd_to_ef[fd].r_addr, MAC_SIZE);
- r_sap = eth_llc_data.fd_to_ef[fd].r_sap;
- eth_llc_data.ef_to_fd[ssap] = fd;
+ eth_data.fd_to_ef[fd].sap = ssap;
+ r_sap = eth_data.fd_to_ef[fd].r_sap;
+ eth_data.ef_to_fd[ssap] = fd;
+#endif
+ memcpy(r_addr, eth_data.fd_to_ef[fd].r_addr, MAC_SIZE);
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
- if (eth_llc_ipcp_sap_alloc_resp(r_addr, ssap, r_sap, response) < 0) {
- pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
- bmp_release(eth_llc_data.saps, eth_llc_data.fd_to_ef[fd].sap);
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ if (eth_ipcp_alloc_resp(r_addr,
+#if defined(BUILD_ETH_DIX)
+ fd, r_eid,
+#elif defined(BUILD_ETH_LLC)
+ ssap, r_sap,
+#endif
+ response) < 0) {
+#ifdef BUILD_ETH_LLC
+ pthread_rwlock_wrlock(&eth_data.flows_lock);
+ bmp_release(eth_data.saps, eth_data.fd_to_ef[fd].sap);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
+#endif
return -1;
}
- fset_add(eth_llc_data.np1_flows, fd);
-
+ fset_add(eth_data.np1_flows, fd);
+#if defined(BUILD_ETH_DIX)
+ log_dbg("Accepted flow, fd %d.", fd);
+#elif defined(BUILD_ETH_LLC)
log_dbg("Accepted flow, fd %d, SAP %d.", fd, (uint8_t)ssap);
-
+#endif
return 0;
}
-static int eth_llc_ipcp_flow_dealloc(int fd)
+static int eth_ipcp_flow_dealloc(int fd)
{
+#ifdef BUILD_ETH_LLC
uint8_t sap;
- uint8_t addr[MAC_SIZE];
-
+#endif
ipcp_flow_fini(fd);
- pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_wrlock(&eth_data.flows_lock);
- fset_del(eth_llc_data.np1_flows, fd);
+ fset_del(eth_data.np1_flows, fd);
- sap = eth_llc_data.fd_to_ef[fd].sap;
- memcpy(addr, eth_llc_data.fd_to_ef[fd].r_addr, MAC_SIZE);
- bmp_release(eth_llc_data.saps, sap);
- eth_llc_data.fd_to_ef[fd].sap = -1;
- eth_llc_data.fd_to_ef[fd].r_sap = -1;
- memset(&eth_llc_data.fd_to_ef[fd].r_addr, 0, MAC_SIZE);
-
- eth_llc_data.ef_to_fd[sap] = -1;
+#if defined(BUILD_ETH_DIX)
+ eth_data.fd_to_ef[fd].r_eid = -1;
+#elif defined BUILD_ETH_LLC
+ sap = eth_data.fd_to_ef[fd].sap;
+ bmp_release(eth_data.saps, sap);
+ eth_data.fd_to_ef[fd].sap = -1;
+ eth_data.fd_to_ef[fd].r_sap = -1;
+ eth_data.ef_to_fd[sap] = -1;
+#endif
+ memset(&eth_data.fd_to_ef[fd].r_addr, 0, MAC_SIZE);
- pthread_rwlock_unlock(&eth_llc_data.flows_lock);
+ pthread_rwlock_unlock(&eth_data.flows_lock);
flow_dealloc(fd);
@@ -1350,27 +1566,31 @@ static int eth_llc_ipcp_flow_dealloc(int fd)
return 0;
}
-static struct ipcp_ops eth_llc_ops = {
- .ipcp_bootstrap = eth_llc_ipcp_bootstrap,
+static struct ipcp_ops eth_ops = {
+ .ipcp_bootstrap = eth_ipcp_bootstrap,
.ipcp_enroll = NULL,
.ipcp_connect = NULL,
.ipcp_disconnect = NULL,
- .ipcp_reg = eth_llc_ipcp_reg,
- .ipcp_unreg = eth_llc_ipcp_unreg,
- .ipcp_query = eth_llc_ipcp_query,
- .ipcp_flow_alloc = eth_llc_ipcp_flow_alloc,
- .ipcp_flow_alloc_resp = eth_llc_ipcp_flow_alloc_resp,
- .ipcp_flow_dealloc = eth_llc_ipcp_flow_dealloc
+ .ipcp_reg = eth_ipcp_reg,
+ .ipcp_unreg = eth_ipcp_unreg,
+ .ipcp_query = eth_ipcp_query,
+ .ipcp_flow_alloc = eth_ipcp_flow_alloc,
+ .ipcp_flow_alloc_resp = eth_ipcp_flow_alloc_resp,
+ .ipcp_flow_dealloc = eth_ipcp_flow_dealloc
};
int main(int argc,
char * argv[])
{
- if (ipcp_init(argc, argv, &eth_llc_ops) < 0)
+ if (ipcp_init(argc, argv, &eth_ops) < 0)
goto fail_init;
- if (eth_llc_data_init() < 0) {
+ if (eth_data_init() < 0) {
+#if defined(BUILD_ETH_DIX)
log_err("Failed to init eth-llc data.");
+#elif defined(BUILD_ETH_LLC)
+ log_err("Failed to init eth-dix data.");
+#endif
goto fail_data_init;
}
@@ -1388,21 +1608,21 @@ int main(int argc,
ipcp_shutdown();
if (ipcp_get_state() == IPCP_SHUTDOWN) {
- pthread_cancel(eth_llc_data.sdu_writer);
- pthread_cancel(eth_llc_data.sdu_reader);
- pthread_cancel(eth_llc_data.mgmt_handler);
+ pthread_cancel(eth_data.sdu_writer);
+ pthread_cancel(eth_data.sdu_reader);
+ pthread_cancel(eth_data.mgmt_handler);
#ifdef __linux__
- pthread_cancel(eth_llc_data.if_monitor);
+ pthread_cancel(eth_data.if_monitor);
#endif
- pthread_join(eth_llc_data.sdu_writer, NULL);
- pthread_join(eth_llc_data.sdu_reader, NULL);
- pthread_join(eth_llc_data.mgmt_handler, NULL);
+ pthread_join(eth_data.sdu_writer, NULL);
+ pthread_join(eth_data.sdu_reader, NULL);
+ pthread_join(eth_data.mgmt_handler, NULL);
#ifdef __linux__
- pthread_join(eth_llc_data.if_monitor, NULL);
+ pthread_join(eth_data.if_monitor, NULL);
#endif
}
- eth_llc_data_fini();
+ eth_data_fini();
ipcp_fini();
@@ -1411,7 +1631,7 @@ int main(int argc,
fail_create_r:
ipcp_shutdown();
fail_boot:
- eth_llc_data_fini();
+ eth_data_fini();
fail_data_init:
ipcp_fini();
fail_init:
diff --git a/src/ipcpd/eth/llc.c b/src/ipcpd/eth/llc.c
new file mode 100644
index 00000000..fa332189
--- /dev/null
+++ b/src/ipcpd/eth/llc.c
@@ -0,0 +1,26 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2018
+ *
+ * IPC processes over Ethernet - LLC
+ *
+ * Dimitri Staessens <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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., http://www.fsf.org/about/contact/.
+ */
+
+#define BUILD_ETH_LLC
+#define OUROBOROS_PREFIX "ipcpd/eth-llc"
+
+#include "eth.c"
diff --git a/src/ipcpd/ipcp.c b/src/ipcpd/ipcp.c
index 4900ec03..b0ce87c5 100644
--- a/src/ipcpd/ipcp.c
+++ b/src/ipcpd/ipcp.c
@@ -246,7 +246,12 @@ static void * mainloop(void * o)
}
if (conf_msg->ipcp_type == IPCP_ETH_LLC)
- conf.if_name = conf_msg->if_name;
+ conf.dev = conf_msg->dev;
+
+ if (conf_msg->ipcp_type == IPCP_ETH_DIX) {
+ conf.dev = conf_msg->dev;
+ conf.ethertype = conf_msg->ethertype;
+ }
if (conf_msg->ipcp_type == IPCP_UDP) {
conf.ip_addr = conf_msg->ip_addr;
diff --git a/src/irmd/config.h.in b/src/irmd/config.h.in
index 923a6ef5..0ac961f8 100644
--- a/src/irmd/config.h.in
+++ b/src/irmd/config.h.in
@@ -22,6 +22,7 @@
#define IPCP_UDP_EXEC "@IPCP_UDP_TARGET@"
#define IPCP_ETH_LLC_EXEC "@IPCP_ETH_LLC_TARGET@"
+#define IPCP_ETH_DIX_EXEC "@IPCP_ETH_DIX_TARGET@"
#define IPCP_NORMAL_EXEC "@IPCP_NORMAL_TARGET@"
#define IPCP_LOCAL_EXEC "@IPCP_LOCAL_TARGET@"
#define IPCP_RAPTOR_EXEC "@IPCP_RAPTOR_TARGET@"
diff --git a/src/irmd/ipcp.c b/src/irmd/ipcp.c
index f90ba251..efb5fbf3 100644
--- a/src/irmd/ipcp.c
+++ b/src/irmd/ipcp.c
@@ -146,6 +146,9 @@ pid_t ipcp_create(const char * name,
case IPCP_ETH_LLC:
exec_name = IPCP_ETH_LLC_EXEC;
break;
+ case IPCP_ETH_DIX:
+ exec_name = IPCP_ETH_DIX_EXEC;
+ break;
case IPCP_LOCAL:
exec_name = IPCP_LOCAL_EXEC;
break;
diff --git a/src/lib/ipcp_config.proto b/src/lib/ipcp_config.proto
index 3e656d42..44391f36 100644
--- a/src/lib/ipcp_config.proto
+++ b/src/lib/ipcp_config.proto
@@ -40,8 +40,10 @@ message ipcp_config_msg {
// Config for UDP
optional uint32 ip_addr = 9;
optional uint32 dns_addr = 10;
- // Config for the Ethernet LLC
- optional string if_name = 11;
+ // Config for the Ethernet
+ optional string dev = 11;
+ // Config for DIX Ethernet
+ optional uint32 ethertype = 12;
}
enum enroll_code {
diff --git a/src/lib/irm.c b/src/lib/irm.c
index 66b5c849..c12ab893 100644
--- a/src/lib/irm.c
+++ b/src/lib/irm.c
@@ -139,7 +139,12 @@ int irm_bootstrap_ipcp(pid_t pid,
case IPCP_RAPTOR:
break;
case IPCP_ETH_LLC:
- config.if_name = conf->if_name;
+ config.dev = conf->dev;
+ break;
+ case IPCP_ETH_DIX:
+ config.dev = conf->dev;
+ config.has_ethertype = true;
+ config.ethertype = conf->ethertype;
break;
default:
return -EIPCPTYPE;
diff --git a/src/tools/irm/irm_ipcp_bootstrap.c b/src/tools/irm/irm_ipcp_bootstrap.c
index 986c45e1..9a0a30ec 100644
--- a/src/tools/irm/irm_ipcp_bootstrap.c
+++ b/src/tools/irm/irm_ipcp_bootstrap.c
@@ -51,6 +51,7 @@
#define NORMAL "normal"
#define UDP "udp"
#define ETH_LLC "eth-llc"
+#define ETH_DIX "eth-dix"
#define LOCAL "local"
#define RAPTOR "raptor"
@@ -68,6 +69,8 @@
#define DEFAULT_ROUTING ROUTING_LINK_STATE
#define DEFAULT_PFF PFF_SIMPLE
#define DEFAULT_HASH_ALGO DIR_HASH_SHA3_256
+#define DEFAULT_ETHERTYPE 0xA000
+
#define FLAT_RANDOM_ADDR_AUTH "flat"
#define LINK_STATE_ROUTING "link_state"
#define LINK_STATE_LFA_ROUTING "lfa"
@@ -82,7 +85,7 @@ static void usage(void)
" layer <layer name>\n"
" type [TYPE]\n"
"where TYPE = {" NORMAL " " LOCAL " "
- UDP " " ETH_LLC " " RAPTOR "},\n\n"
+ UDP " " ETH_LLC " " ETH_DIX " " RAPTOR "},\n\n"
"if TYPE == " NORMAL "\n"
" [addr <address size> (default: %d)]\n"
" [eid <eid size> (default: %d)]\n"
@@ -103,7 +106,13 @@ static void usage(void)
" [dns <DDNS IP address in dotted notation>"
" (default: none)]\n\n"
"if TYPE == " ETH_LLC "\n"
- " if_name <interface name>\n"
+ " dev <interface name>\n"
+ " [hash [ALGORITHM] (default: %s)]\n"
+ "where ALGORITHM = {" SHA3_224 " " SHA3_256 " "
+ SHA3_384 " " SHA3_512 "}\n\n"
+ "if TYPE == " ETH_DIX "\n"
+ " dev <interface name>\n"
+ " [ethertype <ethertype> (default: 0x%4X)]\n"
" [hash [ALGORITHM] (default: %s)]\n"
"where ALGORITHM = {" SHA3_224 " " SHA3_256 " "
SHA3_384 " " SHA3_512 "}\n\n"
@@ -117,7 +126,7 @@ static void usage(void)
SHA3_384 " " SHA3_512 "}\n\n",
DEFAULT_ADDR_SIZE, DEFAULT_EID_SIZE, DEFAULT_TTL,
FLAT_RANDOM_ADDR_AUTH, LINK_STATE_ROUTING, SIMPLE_PFF,
- SHA3_256, SHA3_256, SHA3_256, SHA3_256);
+ SHA3_256, SHA3_256, 0xA000, SHA3_256, SHA3_256, SHA3_256);
}
int do_bootstrap_ipcp(int argc,
@@ -137,7 +146,8 @@ int do_bootstrap_ipcp(int argc,
uint32_t dns_addr = DEFAULT_DDNS;
char * ipcp_type = NULL;
char * layer_name = NULL;
- char * if_name = NULL;
+ char * dev = NULL;
+ uint16_t ethertype = DEFAULT_ETHERTYPE;
pid_t * pids = NULL;
ssize_t len = 0;
int i = 0;
@@ -169,8 +179,14 @@ int do_bootstrap_ipcp(int argc,
} else if (matches(*argv, "dns") == 0) {
if (inet_pton(AF_INET, *(argv + 1), &dns_addr) != 1)
goto unknown_param;
- } else if (matches(*argv, "if_name") == 0) {
- if_name = *(argv + 1);
+ } else if (matches(*argv, "device") == 0) {
+ dev = *(argv + 1);
+ } else if (matches(*argv, "ethertype") == 0) {
+ /* NOTE: We might do some checks on this. */
+ if (matches(*(argv + 1), "0x") == 0)
+ ethertype = strtol(*(argv + 1), NULL, 0);
+ else
+ ethertype = strtol(*(argv + 1), NULL, 16);
} else if (matches(*argv, "addr") == 0) {
addr_size = atoi(*(argv + 1));
} else if (matches(*argv, "eid") == 0) {
@@ -240,11 +256,19 @@ int do_bootstrap_ipcp(int argc,
conf.type = IPCP_RAPTOR;
} else if (strcmp(ipcp_type, ETH_LLC) == 0) {
conf.type = IPCP_ETH_LLC;
- if (if_name == NULL) {
+ if (dev == NULL) {
+ usage();
+ return -1;
+ }
+ conf.dev = dev;
+ } else if (strcmp(ipcp_type, ETH_DIX) == 0) {
+ conf.type = IPCP_ETH_DIX;
+ if (dev == NULL) {
usage();
return -1;
}
- conf.if_name = if_name;
+ conf.dev = dev;
+ conf.ethertype = ethertype;
} else {
usage();
return -1;
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 02:15:20 +0000