From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
lib/a2mp.h | 38 +++++++++++++++++++++
parser/l2cap.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++-----
2 files changed, 130 insertions(+), 8 deletions(-)
diff --git a/lib/a2mp.h b/lib/a2mp.h
index da937d1..ac308e7 100644
--- a/lib/a2mp.h
+++ b/lib/a2mp.h
@@ -142,6 +142,44 @@ struct a2mp_disconn_rsp {
#define A2MP_STATUS_PHYS_LINK_EXISTS 0x05
#define A2MP_STATUS_SECURITY_VIOLATION 0x06
+#define MAC_ADDR_TYPE 1
+#define PREF_CHANLIST_TYPE 2
+#define CONNECTED_CHAN 3
+#define PAL_CAP_TYPE 4
+#define PAL_VER_INFO 5
+
+struct tlv {
+ uint8_t type;
+ uint16_t len;
+ uint8_t val[0];
+} __attribute__ ((packed));
+
+struct pal_ver {
+ uint8_t ver;
+ uint16_t company_id;
+ uint16_t sub_ver;
+} __attribute__ ((packed));
+
+struct country_triplet {
+ union {
+ struct {
+ uint8_t first_channel;
+ uint8_t num_channels;
+ int8_t max_power;
+ } __attribute__ ((packed)) chans;
+ struct {
+ uint8_t reg_extension_id;
+ uint8_t reg_class;
+ uint8_t coverage_class;
+ } __attribute__ ((packed)) ext;
+ };
+} __attribute__ ((packed));
+
+struct chan_list {
+ uint8_t country_code[3];
+ struct country_triplet triplets[0];
+} __attribute__ ((packed));
+
#ifdef __cplusplus
}
#endif
diff --git a/parser/l2cap.c b/parser/l2cap.c
index 69383e6..11ce11c 100644
--- a/parser/l2cap.c
+++ b/parser/l2cap.c
@@ -1162,20 +1162,104 @@ static inline void a2mp_assoc_req(int level, struct frame *frm)
printf("Get AMP Assoc req: id %d\n", h->id);
}
+static void a2mp_dump_chanlist(int level, struct tlv *tlv, char *prefix)
+{
+ struct chan_list *chan_list = (struct chan_list *) tlv->val;
+ struct country_triplet *triplet;
+ int i, num;
+
+ num = tlv->len / sizeof(*triplet);
+
+ printf("%s number of triplets %d\n", prefix, num);
+
+ p_indent(level+2, 0);
+
+ printf("Country code: %c%c%c\n", chan_list->country_code[0],
+ chan_list->country_code[1], chan_list->country_code[2]);
+
+ for (i = 0; i < num; i++) {
+ triplet = &chan_list->triplets[i];
+
+ p_indent(level+2, 0);
+
+ if (triplet->chans.first_channel >= 201) {
+ printf("Reg ext id %d reg class %d coverage class %d\n",
+ triplet->ext.reg_extension_id,
+ triplet->ext.reg_class,
+ triplet->ext.coverage_class);
+ } else {
+ if (triplet->chans.num_channels == 1)
+ printf("Channel %d max power %d\n",
+ triplet->chans.first_channel,
+ triplet->chans.max_power);
+ else
+ printf("Channels %d - %d max power %d\n",
+ triplet->chans.first_channel,
+ triplet->chans.first_channel +
+ triplet->chans.num_channels,
+ triplet->chans.max_power);
+ }
+ }
+}
+
static inline void a2mp_assoc_dump(int level, uint8_t *assoc, uint16_t len)
{
- int i;
+ struct tlv *tlv;
p_indent(level, 0);
- printf("Assoc data:");
- for (i = 0; i < len; i++) {
- if (!(i%16)) {
- printf("\n");
- p_indent(level+1, 0);
+ printf("Assoc data [len %d]:", len);
+
+ tlv = (struct tlv *) assoc;
+ while (len > sizeof(*tlv)) {
+ uint16_t tlvlen = btohs(tlv->len);
+ struct pal_ver *ver;
+ char addr[18];
+
+ p_indent(level+1, 0);
+
+ switch (tlv->type) {
+ case MAC_ADDR_TYPE:
+ if (tlvlen != 6)
+ break;
+ /* Use bdaddr since same length */
+ p_ba2str((bdaddr_t *) tlv->val, addr);
+ printf("MAC: %s\n", addr);
+ break;
+
+ case PREF_CHANLIST_TYPE:
+ a2mp_dump_chanlist(level, tlv, "Preferred Chan List");
+ break;
+
+ case CONNECTED_CHAN:
+ a2mp_dump_chanlist(level, tlv, "Connected Chan List");
+ break;
+
+ case PAL_CAP_TYPE:
+ if (tlvlen != 4)
+ break;
+ printf("PAL CAP: %2.2x %2.2x %2.2x %2.2x\n",
+ tlv->val[0], tlv->val[1], tlv->val[2],
+ tlv->val[3]);
+ break;
+
+ case PAL_VER_INFO:
+ if (tlvlen != 5)
+ break;
+ ver = (struct pal_ver *) tlv->val;
+ printf("PAL VER: %2.2x Comp ID: %4.4x SubVer: %4.4x\n",
+ ver->ver, btohs(ver->company_id),
+ btohs(ver->sub_ver));
+ break;
+
+ default:
+ printf("Unrecognized type %d\n", tlv->type);
+ break;
}
- printf("%2.2x ",*assoc++);
+
+ len -= tlvlen + sizeof(*tlv);
+ assoc += tlvlen + sizeof(*tlv);
+ tlv = (struct tlv *) assoc;
}
- printf("\n");
}
static inline void a2mp_assoc_rsp(int level, struct frame *frm, uint16_t len)
--
1.7.9.5
--
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