diff options
Diffstat (limited to 'main')
| -rw-r--r-- | main/udptl.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/main/udptl.c b/main/udptl.c index 3079da223..1e24e99a9 100644 --- a/main/udptl.c +++ b/main/udptl.c @@ -742,28 +742,32 @@ static void calculate_local_max_datagram(struct ast_udptl *udptl) static void calculate_far_max_ifp(struct ast_udptl *udptl) { - unsigned new_max = 40; + unsigned new_max = 60; /* calculate the maximum IFP the local endpoint should * generate based on the far end's maximum datagram size - * and the current error correction mode + * and the current error correction mode. some endpoints + * bogus 'max datagram' values that would result in unusable + * (too small) maximum IFP values, so we have a a reasonable + * minimum value to ensure that we can actually construct + * UDPTL packets. */ switch (udptl->error_correction_scheme) { case UDPTL_ERROR_CORRECTION_NONE: /* only need room for sequence number and length indicators */ - new_max = udptl->far_max_datagram - 6; + new_max = MAX(new_max, udptl->far_max_datagram - 6); break; case UDPTL_ERROR_CORRECTION_REDUNDANCY: /* need room for sequence number, length indicators and the * configured number of redundant packets */ - new_max = (udptl->far_max_datagram - 8) / (udptl->error_correction_entries + 1); + new_max = MAX(new_max, (udptl->far_max_datagram - 8) / (udptl->error_correction_entries + 1)); break; case UDPTL_ERROR_CORRECTION_FEC: /* need room for sequence number, length indicators and a * a single IFP of the maximum size expected */ - new_max = (udptl->far_max_datagram - 10) / 2; + new_max = MAX(new_max, (udptl->far_max_datagram - 10) / 2); break; } /* subtract 25% of space for insurance */ |