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Add support for the spp_dscp field in the SCTP_PEER_ADDR_PARAMS

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socket option. Backwards compatibility is provided by still
supporting the spp_ipv4_tos field.

Approved by: re@
MFC after: 2 months.
This commit is contained in:
Michael Tuexen 2011-08-14 20:55:32 +00:00
parent 1f89a4dc85
commit b10f2dc889
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=224870
6 changed files with 28 additions and 40 deletions
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4
sys/netinet/sctp_output.c
View File

@ -3967,7 +3967,7 @@ sctp_lowlevel_chunk_output(struct sctp_inpcb *inp,
ip->ip_v = IPVERSION;
ip->ip_hl = (sizeof(struct ip) >> 2);
if (net) {
tos_value = net->tos_flowlabel & 0x000000ff;
tos_value = net->dscp;
} else {
tos_value = inp->ip_inp.inp.inp_ip_tos;
}
@ -4204,7 +4204,7 @@ sctp_lowlevel_chunk_output(struct sctp_inpcb *inp,
int len;
if (net != NULL) {
flowlabel = net->tos_flowlabel;
flowlabel = net->flowlabel;
} else {
flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo;
}

11
sys/netinet/sctp_pcb.c
View File

@ -4009,20 +4009,13 @@ sctp_add_remote_addr(struct sctp_tcb *stcb, struct sockaddr *newaddr,
stcb->asoc.numnets++;
*(&net->ref_count) = 1;
net->cwr_window_tsn = net->last_cwr_tsn = stcb->asoc.sending_seq - 1;
net->tos_flowlabel = 0;
if (SCTP_BASE_SYSCTL(sctp_udp_tunneling_for_client_enable)) {
net->port = htons(SCTP_BASE_SYSCTL(sctp_udp_tunneling_port));
} else {
net->port = 0;
}
#ifdef INET
if (newaddr->sa_family == AF_INET)
net->tos_flowlabel = stcb->asoc.default_tos;
#endif
#ifdef INET6
if (newaddr->sa_family == AF_INET6)
net->tos_flowlabel = stcb->asoc.default_flowlabel;
#endif
net->dscp = stcb->asoc.default_dscp;
net->flowlabel = stcb->asoc.default_flowlabel;
if (sctp_is_feature_on(stcb->sctp_ep, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
net->dest_state |= SCTP_ADDR_NOHB;
} else {

5
sys/netinet/sctp_structs.h
View File

@ -321,7 +321,8 @@ struct sctp_nets {
uint32_t fast_recovery_tsn;
uint32_t heartbeat_random1;
uint32_t heartbeat_random2;
uint32_t tos_flowlabel;
uint32_t flowlabel;
uint8_t dscp;
struct timeval start_time; /* time when this net was created */
uint32_t marked_retrans;/* number or DATA chunks marked for timer
@ -1137,7 +1138,7 @@ struct sctp_association {
uint8_t last_flags_delivered;
uint8_t hb_ect_randombit;
uint8_t hb_random_idx;
uint8_t default_tos;
uint8_t default_dscp;
uint8_t asconf_del_pending; /* asconf delete last addr pending */
/*

7
sys/netinet/sctp_uio.h
View File

@ -505,9 +505,11 @@ struct sctp_paddrparams {
uint32_t spp_flags;
uint32_t spp_ipv6_flowlabel;
uint16_t spp_pathmaxrxt;
uint8_t spp_ipv4_tos;
uint8_t spp_dscp;
};
#define spp_ipv4_tos spp_dscp
#define SPP_HB_ENABLE 0x00000001
#define SPP_HB_DISABLE 0x00000002
#define SPP_HB_DEMAND 0x00000004
@ -515,7 +517,8 @@ struct sctp_paddrparams {
#define SPP_PMTUD_DISABLE 0x00000010
#define SPP_HB_TIME_IS_ZERO 0x00000080
#define SPP_IPV6_FLOWLABEL 0x00000100
#define SPP_IPV4_TOS 0x00000200
#define SPP_DSCP 0x00000200
#define SPP_IPV4_TOS SPP_DSCP
struct sctp_paddrthlds {
sctp_assoc_t spt_assoc_id;

37
sys/netinet/sctp_usrreq.c
View File

@ -2416,13 +2416,13 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
}
#ifdef INET
if (net->ro._l_addr.sin.sin_family == AF_INET) {
paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc;
paddrp->spp_flags |= SPP_IPV4_TOS;
paddrp->spp_dscp = net->dscp;
paddrp->spp_flags |= SPP_DSCP;
}
#endif
#ifdef INET6
if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
paddrp->spp_ipv6_flowlabel = net->tos_flowlabel;
paddrp->spp_ipv6_flowlabel = net->flowlabel;
paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
}
#endif
@ -2436,8 +2436,8 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
#ifdef INET
paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc;
paddrp->spp_flags |= SPP_IPV4_TOS;
paddrp->spp_dscp = stcb->asoc.default_dscp & 0x000000fc;
paddrp->spp_flags |= SPP_DSCP;
#endif
#ifdef INET6
paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel;
@ -2470,8 +2470,8 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
/* get inp's default */
#ifdef INET
paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos;
paddrp->spp_flags |= SPP_IPV4_TOS;
paddrp->spp_dscp = inp->ip_inp.inp.inp_ip_tos;
paddrp->spp_flags |= SPP_DSCP;
#endif
#ifdef INET6
if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
@ -4626,16 +4626,16 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
net->failure_threshold = paddrp->spp_pathmaxrxt;
}
#ifdef INET
if (paddrp->spp_flags & SPP_IPV4_TOS) {
if (paddrp->spp_flags & SPP_DSCP) {
if (net->ro._l_addr.sin.sin_family == AF_INET) {
net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc;
net->dscp = paddrp->spp_dscp & 0xfc;
}
}
#endif
#ifdef INET6
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
net->tos_flowlabel = paddrp->spp_ipv6_flowlabel;
net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
}
}
#endif
@ -4724,27 +4724,18 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
}
}
}
#ifdef INET
if (paddrp->spp_flags & SPP_IPV4_TOS) {
if (paddrp->spp_flags & SPP_DSCP) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
if (net->ro._l_addr.sin.sin_family == AF_INET) {
net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc;
}
net->dscp = paddrp->spp_dscp & 0x000000fc;
}
stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc;
stcb->asoc.default_dscp = paddrp->spp_dscp & 0x000000fc;
}
#endif
#ifdef INET6
if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
net->tos_flowlabel = paddrp->spp_ipv6_flowlabel;
}
net->flowlabel = paddrp->spp_ipv6_flowlabel;
}
stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel;
}
#endif
}
SCTP_TCB_UNLOCK(stcb);
} else {

4
sys/netinet/sctputil.c
View File

@ -924,9 +924,9 @@ sctp_init_asoc(struct sctp_inpcb *m, struct sctp_tcb *stcb,
asoc->sctp_frag_point = m->sctp_frag_point;
asoc->sctp_features = m->sctp_features;
#ifdef INET
asoc->default_tos = m->ip_inp.inp.inp_ip_tos;
asoc->default_dscp = m->ip_inp.inp.inp_ip_tos;
#else
asoc->default_tos = 0;
asoc->default_dscp = 0;
#endif
#ifdef INET6