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Differential D29585 Diff 86828 sys/netinet/cc/cc_newreno.c

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sys/netinet/cc/cc_newreno.c

Show First 20 Lines • Show All 253 Lines • ▼ Show 20 Lines cwin = max(((uint64_t)cwin * (uint64_t)factor) / (100ULL * (uint64_t)mss),
2) * mss; 2) * mss;
switch (type) { switch (type) {
case CC_NDUPACK: case CC_NDUPACK:
if (!IN_FASTRECOVERY(CCV(ccv, t_flags))) { if (!IN_FASTRECOVERY(CCV(ccv, t_flags))) {
if (IN_CONGRECOVERY(CCV(ccv, t_flags) && if (IN_CONGRECOVERY(CCV(ccv, t_flags) &&
V_cc_do_abe && V_cc_abe_frlossreduce)) { V_cc_do_abe && V_cc_abe_frlossreduce)) {
CCV(ccv, snd_ssthresh) = CCV(ccv, snd_ssthresh) =
((uint64_t)CCV(ccv, snd_ssthresh) * max(((uint64_t)CCV(ccv, snd_ssthresh) *
(uint64_t)beta) / (uint64_t)beta) / (uint64_t)beta_ecn,
(100ULL * (uint64_t)beta_ecn); 2 * mss);
} }
if (!IN_CONGRECOVERY(CCV(ccv, t_flags))) if (!IN_CONGRECOVERY(CCV(ccv, t_flags)))
CCV(ccv, snd_ssthresh) = cwin; CCV(ccv, snd_ssthresh) = cwin;
ENTER_RECOVERY(CCV(ccv, t_flags)); ENTER_RECOVERY(CCV(ccv, t_flags));
} }
break; break;
case CC_ECN: case CC_ECN:
if (!IN_CONGRECOVERY(CCV(ccv, t_flags))) { if (!IN_CONGRECOVERY(CCV(ccv, t_flags))) {
▲ Show 20 Lines • Show All 63 Lines • ▼ Show 20 Lines case SOPT_SET:
/* We cannot set without cc_data memory. */ /* We cannot set without cc_data memory. */
if (nreno == NULL) { if (nreno == NULL) {
nreno = newreno_malloc(ccv); nreno = newreno_malloc(ccv);
if (nreno == NULL) if (nreno == NULL)
return (ENOMEM); return (ENOMEM);
} }
switch (opt->name) { switch (opt->name) {
case CC_NEWRENO_BETA: case CC_NEWRENO_BETA:
if (opt->val == 0 || opt->val > 100)
return (EINVAL);
nreno->beta = opt->val; nreno->beta = opt->val;
break; break;
case CC_NEWRENO_BETA_ECN: case CC_NEWRENO_BETA_ECN:
if (!V_cc_do_abe) if (!V_cc_do_abe)
return (EACCES); return (EACCES);
if (opt->val == 0 || opt->val > 100)
return (EINVAL);
nreno->beta_ecn = opt->val; nreno->beta_ecn = opt->val;
break; break;
default: default:
return (ENOPROTOOPT); return (ENOPROTOOPT);
} }
break; break;
case SOPT_GET: case SOPT_GET:
switch (opt->name) { switch (opt->name) {
▲ Show 20 Lines • Show All 56 Lines • Show Last 20 Lines