diff options
Diffstat (limited to 'isisd/isis_pdu.h')
| -rw-r--r-- | isisd/isis_pdu.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/isisd/isis_pdu.h b/isisd/isis_pdu.h index c4c38e22..3eca7319 100644 --- a/isisd/isis_pdu.h +++ b/isisd/isis_pdu.h @@ -95,7 +95,7 @@ struct isis_fixed_hdr u_char version2; u_char reserved; u_char max_area_addrs; -}; +} __attribute__ ((packed)); #define ISIS_FIXED_HDR_LEN 8 @@ -114,7 +114,7 @@ struct isis_fixed_hdr * +-------+-------+-------+-------+-------+-------+-------+-------+ * | Holding Time | 2 * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | PDU Lenght | 2 + * | PDU Length | 2 * +-------+-------+-------+-------+-------+-------+-------+-------+ * | R | Priority | 1 * +-------+-------+-------+-------+-------+-------+-------+-------+ @@ -142,7 +142,7 @@ struct isis_lan_hello_hdr * +-------+-------+-------+-------+-------+-------+-------+-------+ * + Holding Time + 2 * +-------+-------+-------+-------+-------+-------+-------+-------+ - * + PDU Lenght + 2 + * + PDU Length + 2 * +-------+-------+-------+-------+-------+-------+-------+-------+ * | Local Circuit ID | 1 * +-------+-------+-------+-------+-------+-------+-------+-------+ @@ -186,12 +186,23 @@ struct isis_link_state_hdr } __attribute__ ((packed)); #define ISIS_LSP_HDR_LEN 19 +/* + * Since the length field of LSP Entries TLV is one byte long, and each LSP + * entry is LSP_ENTRIES_LEN (16) bytes long, the maximum number of LSP entries + * can be accomodated in a TLV is + * 255 / 16 = 15. + * + * Therefore, the maximum length of the LSP Entries TLV is + * 16 * 15 + 2 (header) = 242 bytes. + */ +#define MAX_LSP_ENTRIES_TLV_SIZE 242 + #define L1_COMPLETE_SEQ_NUM 24 #define L2_COMPLETE_SEQ_NUM 25 /* * L1 and L2 IS to IS complete sequence numbers PDU header * +-------+-------+-------+-------+-------+-------+-------+-------+ - * + PDU Lenght + 2 + * + PDU Length + 2 * +-------+-------+-------+-------+-------+-------+-------+-------+ * + Source ID + id_len + 1 * +-------+-------+-------+-------+-------+-------+-------+-------+ @@ -241,6 +252,8 @@ int isis_receive (struct thread *thread); #define ISIS_SNP_PSNP_FLAG 0 #define ISIS_SNP_CSNP_FLAG 1 +#define ISIS_AUTH_MD5_SIZE 16U + /* * Sending functions */ @@ -258,7 +271,4 @@ int ack_lsp (struct isis_link_state_hdr *hdr, void fill_fixed_hdr (struct isis_fixed_hdr *hdr, u_char pdu_type); int send_hello (struct isis_circuit *circuit, int level); -#define ISIS_AUTH_MD5_SIZE 16U -int authentication_check (struct isis_passwd *remote, struct isis_passwd *local, struct isis_circuit *c); - #endif /* _ZEBRA_ISIS_PDU_H */ |