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Merge pull request #2655 from Lawlieta/develop

[net][sal] Add options and types for UDP multicast traffic handling
This commit is contained in:
Bernard Xiong 2019-05-08 14:29:15 +08:00 committed by GitHub
commit dfaced4cb6
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@ -97,6 +97,10 @@ typedef uint16_t in_port_t;
#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
#define MSG_MORE 0x10 /* Sender will send more */
/* Options for level IPPROTO_IP */
#define IP_TOS 1
#define IP_TTL 2
/* Options for level IPPROTO_TCP */
#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
@ -107,6 +111,10 @@ typedef uint16_t in_port_t;
/* Options and types related to multicast membership */
#define IP_ADD_MEMBERSHIP 3
#define IP_DROP_MEMBERSHIP 4
/* Options and types for UDP multicast traffic handling */
#define IP_MULTICAST_TTL 5
#define IP_MULTICAST_IF 6
#define IP_MULTICAST_LOOP 7
typedef struct ip_mreq
{
@ -114,6 +122,27 @@ typedef struct ip_mreq
struct in_addr imr_interface; /* local IP address of interface */
} ip_mreq;
/* The Type of Service provides an indication of the abstract parameters of the quality of service desired */
#define IPTOS_TOS_MASK 0x1E
#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
#define IPTOS_LOWCOST 0x02
#define IPTOS_MINCOST IPTOS_LOWCOST
/* The Network Control precedence designation is intended to be used within a network only */
#define IPTOS_PREC_MASK 0xe0
#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
#define IPTOS_PREC_NETCONTROL 0xe0
#define IPTOS_PREC_INTERNETCONTROL 0xc0
#define IPTOS_PREC_CRITIC_ECP 0xa0
#define IPTOS_PREC_FLASHOVERRIDE 0x80
#define IPTOS_PREC_FLASH 0x60
#define IPTOS_PREC_IMMEDIATE 0x40
#define IPTOS_PREC_PRIORITY 0x20
#define IPTOS_PREC_ROUTINE 0x00
/* Options for shatdown type */
#ifndef SHUT_RD
#define SHUT_RD 0