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base/SOURCES/open-lldp-v1.0.1-14-VDP-Cha...

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From ead7bc6267c87e0816ba2367b9036d8a647f3099 Mon Sep 17 00:00:00 2001
From: padkrish <padkrish@cisco.com>
Date: Wed, 21 Jan 2015 03:41:14 +0000
Subject: [PATCH] VDP: Changes in Cisco OUI handlers to support get-tlv
Signed-off-by: padkrish <padkrish@cisco.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
---
include/vdp_cisco.h | 22 ++++++++++
qbg/vdp22cisco_oui.c | 120 ++++++++++++++++++++++++++++++++++++++++++---------
vdptool_cisco_oui.c | 54 +++++++++++++++++++++++
3 files changed, 175 insertions(+), 21 deletions(-)
diff --git a/include/vdp_cisco.h b/include/vdp_cisco.h
index 339d479..821db68 100644
--- a/include/vdp_cisco.h
+++ b/include/vdp_cisco.h
@@ -96,6 +96,7 @@ typedef union l3_addrtype_ {
typedef struct vdp_cisco_oui_s {
char key[KEYLEN]; /* Profile name */
u8 uuid[PORT_UUID_MAX]; /* Instance ID */
+ bool uuid_set;
size_t vm_name_len;
char vm_name[MAX_VM_NAME];
u16 afi;
@@ -103,10 +104,18 @@ typedef struct vdp_cisco_oui_s {
l3_addr_t l3_addr;
} vdp_cisco_oui_t;
+struct oui_keyword_handler oui_key_handle[] = {
+ {CISCO_OUI_NAME_ARG_STR, CISCO_OUI_NAME_ARG},
+ {CISCO_OUI_NAME_UUID_ARG_STR, CISCO_OUI_NAME_UUID_ARG},
+ {CISCO_OUI_L3V4ADDR_ARG_STR, CISCO_OUI_L3V4ADDR_ARG} };
+
bool cisco_str2vdpnl_hndlr(struct vdpnl_oui_data_s *, char *);
bool cisco_vdp_free_oui(struct vdp22_oui_data_s *);
bool cisco_vdpnl2vsi22_hndlr(void *, struct vdpnl_oui_data_s *,
struct vdp22_oui_data_s *);
+bool cisco_vdpnl2str_hndlr(struct vdpnl_oui_data_s *, char *, int *, int);
+bool cisco_vsi2vdpnl_hndlr(void *, struct vdp22_oui_data_s *,
+ struct vdpnl_oui_data_s *);
size_t cisco_vdp_tx_hndlr(char unsigned *, struct vdp22_oui_data_s *, size_t);
bool cisco_vdp_rx_hndlr();
unsigned long cisco_vdp_oui_ptlvsize(void *);
@@ -118,4 +127,17 @@ static inline void fill_cisco_oui_type(unsigned char *oui_type)
oui_type[2] = 0x0c;
}
+enum oui_key_arg get_oui_key(char *token, u8 key_len)
+{
+ int count, key_str_size;
+
+ key_str_size = sizeof(oui_key_handle) / sizeof(oui_key_handle[0]);
+ for (count = 0; count < key_str_size; count++) {
+ if ((key_len <= strlen(token)) &&
+ (!strncmp(token, oui_key_handle[count].keyword, key_len)))
+ return oui_key_handle[count].val;
+ }
+ return CISCO_OUI_INVALID_ARG;
+}
+
#endif /* __VDP22_VISCO_H__ */
diff --git a/qbg/vdp22cisco_oui.c b/qbg/vdp22cisco_oui.c
index ef6c307..e8a824c 100644
--- a/qbg/vdp22cisco_oui.c
+++ b/qbg/vdp22cisco_oui.c
@@ -29,31 +29,14 @@
#include <ctype.h>
#include "messages.h"
#include "qbg_vdp22def.h"
+#include "qbg_utils.h"
#include "vdp_cisco.h"
struct vdp22_oui_handler_s cisco_oui_hndlr = {
{0x00, 0x00, 0x0c}, "cisco", cisco_str2vdpnl_hndlr,
- cisco_vdpnl2vsi22_hndlr,
- cisco_vdp_tx_hndlr, cisco_vdp_rx_hndlr, cisco_vdp_free_oui,
- cisco_vdp_oui_ptlvsize};
-
-struct oui_keyword_handler oui_key_handle[] = {
- {CISCO_OUI_NAME_ARG_STR, CISCO_OUI_NAME_ARG},
- {CISCO_OUI_NAME_UUID_ARG_STR, CISCO_OUI_NAME_UUID_ARG},
- {CISCO_OUI_L3V4ADDR_ARG_STR, CISCO_OUI_L3V4ADDR_ARG} };
-
-enum oui_key_arg get_oui_key(char *token, u8 key_len)
-{
- int count, key_str_size;
-
- key_str_size = sizeof(oui_key_handle) / sizeof(oui_key_handle[0]);
- for (count = 0; count < key_str_size; count++) {
- if ((key_len <= strlen(token)) &&
- (!strncmp(token, oui_key_handle[count].keyword, key_len)))
- return oui_key_handle[count].val;
- }
- return CISCO_OUI_INVALID_ARG;
-}
+ cisco_vdpnl2vsi22_hndlr, cisco_vdpnl2str_hndlr,
+ cisco_vsi2vdpnl_hndlr, cisco_vdp_tx_hndlr, cisco_vdp_rx_hndlr,
+ cisco_vdp_free_oui, cisco_vdp_oui_ptlvsize};
/*
* This function fills the vdpnl structure of OUI from the command separated
@@ -124,6 +107,7 @@ bool cisco_str2vdpnl_hndlr(struct vdpnl_oui_data_s *vdp_oui_p, char *token)
sizeof(vdp_cisco_oui_p->uuid)))
memset(vdp_cisco_oui_p->uuid, 0,
sizeof(vdp_cisco_oui_p->uuid));
+ vdp_cisco_oui_p->uuid_set = true;
free(uuid);
break;
case CISCO_OUI_L3V4ADDR_ARG:
@@ -193,6 +177,100 @@ bool cisco_vdpnl2vsi22_hndlr(void *vsi_data, struct vdpnl_oui_data_s *from,
}
/*
+ * This function converts the OUI information from vdpnl struct to string
+ */
+
+bool cisco_vdpnl2str_hndlr(struct vdpnl_oui_data_s *from, char *out_buf,
+ int *total, int rem_len)
+{
+ char tmp_out_buf[MAX_OUI_DATA_LEN];
+ char uuid_str[VDP_UUID_STRLEN + 2];
+ char *tmp_oui_buf;
+ vdp_cisco_oui_t *vdp_cisco_oui_p;
+ int c = 0, num_str_bytes;
+ int tmp_buf_len = sizeof(tmp_out_buf);
+
+ tmp_oui_buf = tmp_out_buf;
+ if ((from == NULL) || (out_buf == NULL)) {
+ LLDPAD_ERR("%s: NULL arg\n", __func__);
+ return false;
+ }
+ vdp_cisco_oui_p = (vdp_cisco_oui_t *)from->data;
+ c = snprintf(tmp_oui_buf, tmp_buf_len, "%02x%s",
+ (unsigned int)strlen("cisco"), "cisco");
+ tmp_buf_len -= c;
+ tmp_oui_buf += c;
+ if (vdp_cisco_oui_p->vm_name_len != 0) {
+ c = snprintf(tmp_oui_buf, tmp_buf_len,
+ "%02x%s%04x%s",
+ (unsigned int)strlen(CISCO_OUI_NAME_ARG_STR),
+ CISCO_OUI_NAME_ARG_STR,
+ (unsigned int)vdp_cisco_oui_p->vm_name_len,
+ vdp_cisco_oui_p->vm_name);
+ if ((c < 0) || (c >= tmp_buf_len))
+ return false;
+ tmp_buf_len -= c;
+ tmp_oui_buf += c;
+ }
+ if (vdp_cisco_oui_p->uuid_set) {
+ oui_vdp_uuid2str(vdp_cisco_oui_p->uuid, uuid_str,
+ sizeof(uuid_str));
+ c = snprintf(tmp_oui_buf, tmp_buf_len,
+ "%02x%s%04x%s",
+ (unsigned int)strlen(CISCO_OUI_NAME_UUID_ARG_STR),
+ CISCO_OUI_NAME_UUID_ARG_STR,
+ (unsigned int)strlen(uuid_str), uuid_str);
+ if ((c < 0) || (c >= tmp_buf_len))
+ return false;
+ tmp_buf_len -= c;
+ tmp_oui_buf += c;
+ }
+ if (vdp_cisco_oui_p->vm_addr_len != 0) {
+ num_str_bytes = snprintf(NULL, 0, "%ul",
+ vdp_cisco_oui_p->l3_addr.
+ ipv4_address.s_addr);
+ c = snprintf(tmp_oui_buf, tmp_buf_len, "%02x%s%04x%ul",
+ (unsigned int)strlen(CISCO_OUI_L3V4ADDR_ARG_STR),
+ CISCO_OUI_L3V4ADDR_ARG_STR, num_str_bytes,
+ vdp_cisco_oui_p->l3_addr.ipv4_address.s_addr);
+ if ((c < 0) || (c >= tmp_buf_len))
+ return false;
+ tmp_buf_len -= c;
+ tmp_oui_buf += c;
+ }
+ c = snprintf(out_buf, rem_len, "%04x%s",
+ (unsigned int)strlen(tmp_out_buf),
+ tmp_out_buf);
+ if ((c < 0) || (c >= rem_len))
+ return false;
+ rem_len -= c;
+ out_buf += c;
+ *total += c;
+ return true;
+}
+
+/*
+ * This function converts the OUI information from vsi22 struct to vdpnl struct
+ * vsi is not used here, but can be used for storing the pointer to the parent
+ * struct
+ */
+
+bool cisco_vsi2vdpnl_hndlr(UNUSED void *vsi_data, struct vdp22_oui_data_s *from,
+ struct vdpnl_oui_data_s *to)
+{
+ if ((from == NULL) || (to == NULL)) {
+ LLDPAD_ERR("%s: NULL arg\n", __func__);
+ return false;
+ }
+ memcpy(to->oui_type, from->oui_type, sizeof(to->oui_type));
+ strncpy(to->oui_name, from->oui_name, sizeof(to->oui_name));
+ to->len = from->len;
+ memcpy(to->data, from->data, to->len);
+ return true;
+}
+
+
+/*
* This function deletes the OUI information associated with a VSI
*/
diff --git a/vdptool_cisco_oui.c b/vdptool_cisco_oui.c
index 4a846ad..7003521 100644
--- a/vdptool_cisco_oui.c
+++ b/vdptool_cisco_oui.c
@@ -25,6 +25,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include "lldp_util.h"
#include "vdp_cisco.h"
bool cisco_oui_encode_hndlr(char *dst, char *src, int len)
@@ -56,3 +57,56 @@ bool cisco_oui_encode_hndlr(char *dst, char *src, int len)
return flag;
}
+void cisco_oui_print_decode_hndlr(char *token)
+{
+ struct in_addr vm_inet;
+ char *v4_addr_str;
+ unsigned long vm_ip_addr;
+ int offset = 0, len;
+ u16 data_len;
+ u8 key_len;
+ enum oui_key_arg oui_argtype;
+
+ if (token == NULL)
+ return;
+ len = strlen(token);
+ while (offset < len) {
+ hexstr2bin(token, &key_len, sizeof(key_len));
+ token += 2;
+ offset += 2;
+ oui_argtype = get_oui_key(token, key_len);
+ token += key_len;
+ offset += key_len;
+ hexstr2bin(token, (u8 *)&data_len, sizeof(data_len));
+ data_len = htons(data_len);
+ token += 4;
+ offset += 4;
+ if ((offset + data_len) > len)
+ return;
+ switch (oui_argtype) {
+ case CISCO_OUI_NAME_ARG:
+ printf("\t%s", "VM Name");
+ printf(" = %.*s\n", data_len, token);
+ break;
+ case CISCO_OUI_NAME_UUID_ARG:
+ printf("\t%s", "VM UUID");
+ printf(" = %.*s\n", data_len, token);
+ break;
+ case CISCO_OUI_L3V4ADDR_ARG:
+ v4_addr_str = calloc(data_len, sizeof(char));
+ if (!v4_addr_str)
+ return;
+ strncpy(v4_addr_str, token, data_len);
+ vm_ip_addr = strtoul(v4_addr_str, NULL, 10);
+ vm_inet.s_addr = vm_ip_addr;
+ printf("\t%s", "VM IP Address");
+ printf(" = %s\n", inet_ntoa(vm_inet));
+ free(v4_addr_str);
+ break;
+ default:
+ break;
+ }
+ token += data_len;
+ offset += data_len;
+ }
+}
--
2.1.0