This patch is to implement: rfc6951#section-6.1: Get or Set the Remote UDP Encapsulation Port Number with the param of the struct: struct sctp_udpencaps { sctp_assoc_t sue_assoc_id; struct sockaddr_storage sue_address; uint16_t sue_port; }; the encap_port of sock, assoc or transport can be changed by users, which also means it allows the different transports of the same asoc to have different encap_port value. v1->v2: - no change. v2->v3: - fix the endian warning when setting values between encap_port and sue_port.
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| @@ -140,6 +140,7 @@ typedef __s32 sctp_assoc_t; · 139 unmodified lines | ||
| 140 | 140 | #define SCTP_ECN_SUPPORTED 130 |
| 141 | 141 | #define SCTP_EXPOSE_POTENTIALLY_FAILED_STATE 131 |
| 142 | 142 | #define SCTP_EXPOSE_PF_STATE SCTP_EXPOSE_POTENTIALLY_FAILED_STATE |
| 143 | +#define SCTP_REMOTE_UDP_ENCAPS_PORT 132 | |
| 143 | 144 | |
| 144 | 145 | /* PR-SCTP policies */ |
| 145 | 146 | #define SCTP_PR_SCTP_NONE 0x0000 |
| @@ -1197,6 +1198,12 @@ struct sctp_event { · 1051 unmodified lines | ||
| 1197 | 1198 | uint8_t se_on; |
| 1198 | 1199 | }; |
| 1199 | 1200 | |
| 1201 | +struct sctp_udpencaps { | |
| 1202 | + sctp_assoc_t sue_assoc_id; | |
| 1203 | + struct sockaddr_storage sue_address; | |
| 1204 | + uint16_t sue_port; | |
| 1205 | +}; | |
| 1206 | + | |
| 1200 | 1207 | /* SCTP Stream schedulers */ |
| 1201 | 1208 | enum sctp_sched_type { |
| 1202 | 1209 | SCTP_SS_FCFS, |