X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/7b2c5a11a7bc236d72b440c4db5263edb23b4880..47b02443f099fc93a7c69041d30bf6f6be552ece:/print-mptcp.c

diff --git a/print-mptcp.c b/print-mptcp.c
index 947ffc4f..e757ea48 100644
--- a/print-mptcp.c
+++ b/print-mptcp.c
@@ -32,13 +32,17 @@
  * SUCH DAMAGE.
  */
 
+/* \summary: Multipath TCP (MPTCP) printer */
+
+/* specification: RFC 6824 */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
-#include "interface.h"
+#include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"
 
@@ -172,7 +176,7 @@ static int
 mp_capable_print(netdissect_options *ndo,
                  const u_char *opt, u_int opt_len, u_char flags)
 {
-        struct mp_capable *mpc = (struct mp_capable *) opt;
+        const struct mp_capable *mpc = (const struct mp_capable *) opt;
 
         if (!(opt_len == 12 && flags & TH_SYN) &&
             !(opt_len == 20 && (flags & (TH_SYN | TH_ACK)) == TH_ACK))
@@ -196,7 +200,7 @@ static int
 mp_join_print(netdissect_options *ndo,
               const u_char *opt, u_int opt_len, u_char flags)
 {
-        struct mp_join *mpj = (struct mp_join *) opt;
+        const struct mp_join *mpj = (const struct mp_join *) opt;
 
         if (!(opt_len == 12 && flags & TH_SYN) &&
             !(opt_len == 16 && (flags & (TH_SYN | TH_ACK)) == (TH_SYN | TH_ACK)) &&
@@ -232,7 +236,7 @@ mp_join_print(netdissect_options *ndo,
         return 1;
 }
 
-static u_int mp_dss_len(struct mp_dss *m, int csum)
+static u_int mp_dss_len(const  struct mp_dss *m, int csum)
 {
         u_int len;
 
@@ -264,7 +268,7 @@ static int
 mp_dss_print(netdissect_options *ndo,
              const u_char *opt, u_int opt_len, u_char flags)
 {
-        struct mp_dss *mdss = (struct mp_dss *) opt;
+        const struct mp_dss *mdss = (const struct mp_dss *) opt;
 
         if ((opt_len != mp_dss_len(mdss, 1) &&
              opt_len != mp_dss_len(mdss, 0)) || flags & TH_SYN)
@@ -309,7 +313,7 @@ static int
 add_addr_print(netdissect_options *ndo,
                const u_char *opt, u_int opt_len, u_char flags _U_)
 {
-        struct mp_add_addr *add_addr = (struct mp_add_addr *) opt;
+        const struct mp_add_addr *add_addr = (const struct mp_add_addr *) opt;
         u_int ipver = MP_ADD_ADDR_IPVER(add_addr->sub_ipver);
 
         if (!((opt_len == 8 || opt_len == 10) && ipver == 4) &&
@@ -324,9 +328,7 @@ add_addr_print(netdissect_options *ndo,
                         ND_PRINT((ndo, ":%u", EXTRACT_16BITS(add_addr->u.v4.port)));
                 break;
         case 6:
-#ifdef INET6
                 ND_PRINT((ndo, " %s", ip6addr_string(ndo, add_addr->u.v6.addr)));
-#endif
                 if (opt_len == 22)
                         ND_PRINT((ndo, ":%u", EXTRACT_16BITS(add_addr->u.v6.port)));
                 break;
@@ -341,8 +343,8 @@ static int
 remove_addr_print(netdissect_options *ndo,
                   const u_char *opt, u_int opt_len, u_char flags _U_)
 {
-        struct mp_remove_addr *remove_addr = (struct mp_remove_addr *) opt;
-        uint8_t *addr_id = &remove_addr->addrs_id;
+        const struct mp_remove_addr *remove_addr = (const struct mp_remove_addr *) opt;
+        const uint8_t *addr_id = &remove_addr->addrs_id;
 
         if (opt_len < 4)
                 return 0;
@@ -358,7 +360,7 @@ static int
 mp_prio_print(netdissect_options *ndo,
               const u_char *opt, u_int opt_len, u_char flags _U_)
 {
-        struct mp_prio *mpp = (struct mp_prio *) opt;
+        const struct mp_prio *mpp = (const struct mp_prio *) opt;
 
         if (opt_len != 3 && opt_len != 4)
                 return 0;
@@ -414,13 +416,13 @@ int
 mptcp_print(netdissect_options *ndo,
             const u_char *cp, u_int len, u_char flags)
 {
-        struct mptcp_option *opt;
+        const struct mptcp_option *opt;
         u_int subtype;
 
         if (len < 3)
                 return 0;
 
-        opt = (struct mptcp_option *) cp;
+        opt = (const struct mptcp_option *) cp;
         subtype = min(MPTCP_OPT_SUBTYPE(opt->sub_etc), MPTCP_SUB_FCLOSE + 1);
 
         ND_PRINT((ndo, " %s", mptcp_options[subtype].name));