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Diffstat (limited to 'src/ipcpd/eth')
-rw-r--r--src/ipcpd/eth/eth.c93
1 files changed, 63 insertions, 30 deletions
diff --git a/src/ipcpd/eth/eth.c b/src/ipcpd/eth/eth.c
index 0c9daff4..6b17912b 100644
--- a/src/ipcpd/eth/eth.c
+++ b/src/ipcpd/eth/eth.c
@@ -138,7 +138,7 @@
#define ALLOC_TIMEO 10 /* ms */
#define NAME_QUERY_TIMEO 2000 /* ms */
#define MGMT_TIMEO 100 /* ms */
-#define MGMT_FRAME_SIZE 512
+#define MGMT_FRAME_SIZE 2048
#define FLOW_REQ 0
#define FLOW_REPLY 1
@@ -201,6 +201,7 @@ struct mgmt_frame {
struct list_head next;
uint8_t r_addr[MAC_SIZE];
uint8_t buf[MGMT_FRAME_SIZE];
+ size_t len;
};
struct {
@@ -458,7 +459,9 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr,
uint8_t ssap,
#endif
const uint8_t * hash,
- qosspec_t qs)
+ qosspec_t qs,
+ const void * data,
+ size_t dlen)
{
uint8_t * buf;
struct mgmt_msg * msg;
@@ -467,7 +470,7 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr,
len = sizeof(*msg) + ipcp_dir_hash_len();
- buf = malloc(len + ETH_HEADER_TOT_SIZE);
+ buf = malloc(len + ETH_HEADER_TOT_SIZE + dlen);
if (buf == NULL)
return -1;
@@ -489,6 +492,7 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr,
msg->cypher_s = hton16(qs.cypher_s);
memcpy(msg + 1, hash, ipcp_dir_hash_len());
+ memcpy(buf + len + ETH_HEADER_TOT_SIZE, data, dlen);
ret = eth_ipcp_send_frame(dst_addr,
#if defined(BUILD_ETH_DIX)
@@ -497,26 +501,28 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr,
reverse_bits(MGMT_SAP),
reverse_bits(MGMT_SAP),
#endif
- buf, len);
+ buf, len + dlen);
free(buf);
return ret;
}
-static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
+static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
#if defined(BUILD_ETH_DIX)
- uint16_t seid,
- uint16_t deid,
+ uint16_t seid,
+ uint16_t deid,
#elif defined(BUILD_ETH_LLC)
- uint8_t ssap,
- uint8_t dsap,
+ uint8_t ssap,
+ uint8_t dsap,
#endif
- int response)
+ int response,
+ const void * data,
+ size_t len)
{
struct mgmt_msg * msg;
uint8_t * buf;
- buf = malloc(sizeof(*msg) + ETH_HEADER_TOT_SIZE);
+ buf = malloc(sizeof(*msg) + ETH_HEADER_TOT_SIZE + len);
if (buf == NULL)
return -1;
@@ -532,6 +538,8 @@ static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
#endif
msg->response = response;
+ memcpy(msg + 1, data, len);
+
if (eth_ipcp_send_frame(dst_addr,
#if defined(BUILD_ETH_DIX)
MGMT_EID,
@@ -539,7 +547,7 @@ static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
reverse_bits(MGMT_SAP),
reverse_bits(MGMT_SAP),
#endif
- buf, sizeof(*msg))) {
+ buf, sizeof(*msg) + len)) {
free(buf);
return -1;
}
@@ -556,7 +564,9 @@ static int eth_ipcp_req(uint8_t * r_addr,
uint8_t r_sap,
#endif
const uint8_t * dst,
- qosspec_t qs)
+ qosspec_t qs,
+ const void * data,
+ size_t len)
{
struct timespec ts = {0, ALLOC_TIMEO * MILLION};
struct timespec abstime;
@@ -580,7 +590,7 @@ static int eth_ipcp_req(uint8_t * r_addr,
}
/* reply to IRM, called under lock to prevent race */
- fd = ipcp_flow_req_arr(dst, ipcp_dir_hash_len(), qs);
+ fd = ipcp_flow_req_arr(dst, ipcp_dir_hash_len(), qs, data, len);
if (fd < 0) {
pthread_mutex_unlock(&ipcpi.alloc_lock);
log_err("Could not get new flow from IRMd.");
@@ -607,19 +617,20 @@ static int eth_ipcp_req(uint8_t * r_addr,
#elif defined(BUILD_ETH_LLC)
log_dbg("New flow request, fd %d, remote SAP %d.", fd, r_sap);
#endif
-
return 0;
}
-static int eth_ipcp_alloc_reply(uint8_t * r_addr,
+static int eth_ipcp_alloc_reply(uint8_t * r_addr,
#if defined(BUILD_ETH_DIX)
- uint16_t seid,
- uint16_t deid,
+ uint16_t seid,
+ uint16_t deid,
#elif defined(BUILD_ETH_LLC)
- uint8_t ssap,
- int dsap,
+ uint8_t ssap,
+ int dsap,
#endif
- int response)
+ int response,
+ const void * data,
+ size_t len)
{
int ret = 0;
int fd = -1;
@@ -657,7 +668,7 @@ static int eth_ipcp_alloc_reply(uint8_t * r_addr,
#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)
+ if ((ret = ipcp_flow_alloc_reply(fd, response, data, len)) < 0)
return -1;
return ret;
@@ -717,15 +728,21 @@ static int eth_ipcp_name_query_reply(const uint8_t * hash,
}
static int eth_ipcp_mgmt_frame(const uint8_t * buf,
+ size_t len,
uint8_t * r_addr)
{
struct mgmt_msg * msg;
+ size_t msg_len;
qosspec_t qs;
msg = (struct mgmt_msg *) buf;
switch (msg->code) {
case FLOW_REQ:
+ msg_len = sizeof(*msg) + ipcp_dir_hash_len();
+
+ assert(len >= msg_len);
+
qs.delay = ntoh32(msg->delay);
qs.bandwidth = ntoh64(msg->bandwidth);
qs.availability = msg->availability;
@@ -744,10 +761,14 @@ static int eth_ipcp_mgmt_frame(const uint8_t * buf,
msg->ssap,
#endif
buf + sizeof(*msg),
- qs);
+ qs,
+ buf + msg_len,
+ len - msg_len);
}
break;
case FLOW_REPLY:
+ assert(len >= sizeof(*msg));
+
eth_ipcp_alloc_reply(r_addr,
#if defined(BUILD_ETH_DIX)
ntohs(msg->seid),
@@ -756,7 +777,9 @@ static int eth_ipcp_mgmt_frame(const uint8_t * buf,
msg->ssap,
msg->dsap,
#endif
- msg->response);
+ msg->response,
+ buf + sizeof(*msg),
+ len - sizeof(*msg));
break;
case NAME_QUERY_REQ:
eth_ipcp_name_query_req(buf + sizeof(*msg), r_addr);
@@ -814,7 +837,7 @@ static void * eth_ipcp_mgmt_handler(void * o)
list_del(&frame->next);
pthread_mutex_unlock(&eth_data.mgmt_lock);
- eth_ipcp_mgmt_frame(frame->buf, frame->r_addr);
+ eth_ipcp_mgmt_frame(frame->buf, frame->len, frame->r_addr);
free(frame);
}
@@ -951,6 +974,7 @@ static void * eth_ipcp_packet_reader(void * o)
memcpy(frame->buf, &e_frame->payload, length);
memcpy(frame->r_addr, e_frame->src_hwaddr, MAC_SIZE);
+ frame->len = length;
pthread_mutex_lock(&eth_data.mgmt_lock);
list_add(&frame->next, &eth_data.mgmt_frames);
@@ -1613,7 +1637,9 @@ static int eth_ipcp_query(const uint8_t * hash)
static int eth_ipcp_flow_alloc(int fd,
const uint8_t * hash,
- qosspec_t qs)
+ qosspec_t qs,
+ const void * data,
+ size_t len)
{
#ifdef BUILD_ETH_LLC
uint8_t ssap = 0;
@@ -1652,7 +1678,10 @@ static int eth_ipcp_flow_alloc(int fd,
#elif defined(BUILD_ETH_LLC)
ssap,
#endif
- hash, qs) < 0) {
+ hash,
+ qs,
+ data,
+ len) < 0) {
#ifdef BUILD_ETH_LLC
pthread_rwlock_wrlock(&eth_data.flows_lock);
bmp_release(eth_data.saps, eth_data.fd_to_ef[fd].sap);
@@ -1672,8 +1701,10 @@ static int eth_ipcp_flow_alloc(int fd,
return 0;
}
-static int eth_ipcp_flow_alloc_resp(int fd,
- int response)
+static int eth_ipcp_flow_alloc_resp(int fd,
+ int response,
+ const void * data,
+ size_t len)
{
struct timespec ts = {0, ALLOC_TIMEO * MILLION};
struct timespec abstime;
@@ -1730,7 +1761,9 @@ static int eth_ipcp_flow_alloc_resp(int fd,
#elif defined(BUILD_ETH_LLC)
ssap, r_sap,
#endif
- response) < 0) {
+ response,
+ data,
+ len) < 0) {
#ifdef BUILD_ETH_LLC
pthread_rwlock_wrlock(&eth_data.flows_lock);
bmp_release(eth_data.saps, eth_data.fd_to_ef[fd].sap);
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-04 07:52:07 +0000