diff options
| -rw-r--r-- | sys/netgraph/ng_bridge.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/sys/netgraph/ng_bridge.c b/sys/netgraph/ng_bridge.c index 820c93515490..f77012d42d1c 100644 --- a/sys/netgraph/ng_bridge.c +++ b/sys/netgraph/ng_bridge.c @@ -663,22 +663,28 @@ ng_bridge_send_data(link_cp dst, int manycast, struct mbuf *m, item_p item) { else NG_SEND_DATA_ONLY(error, dst->hook, m); - if (error == 0) { - counter_u64_add(dst->stats.xmitPackets, 1); - counter_u64_add(dst->stats.xmitOctets, len); - switch (manycast) { - default: /* unknown unicast */ - break; - case 1: /* multicast */ - counter_u64_add(dst->stats.xmitMulticasts, 1); - break; - case 2: /* broadcast */ - counter_u64_add(dst->stats.xmitBroadcasts, 1); - break; - } + if (error) { + /* The packet is still ours */ + if (item != NULL) + NG_FREE_ITEM(item); + if (m != NULL) + NG_FREE_M(m); + return (error); } - return (error); + counter_u64_add(dst->stats.xmitPackets, 1); + counter_u64_add(dst->stats.xmitOctets, len); + switch (manycast) { + default: /* unknown unicast */ + break; + case 1: /* multicast */ + counter_u64_add(dst->stats.xmitMulticasts, 1); + break; + case 2: /* broadcast */ + counter_u64_add(dst->stats.xmitBroadcasts, 1); + break; + } + return (0); } /* @@ -716,16 +722,16 @@ ng_bridge_send_ctx(hook_p dst, void *arg) * It's usable link but not the reserved (first) one. * Copy mbuf info for sending. */ - m2 = m_dup(ctx->m, M_NOWAIT); /* XXX m_copypacket() */ + m2 = m_dup(ctx->m, M_NOWAIT); if (m2 == NULL) { counter_u64_add(ctx->incoming->stats.memoryFailures, 1); ctx->error = ENOBUFS; - return (0); /* abort loop */ + return (0); /* abort loop, do not try again and again */ } /* Send packet */ error = ng_bridge_send_data(destLink, ctx->manycast, m2, NULL); - if(error) + if (error) ctx->error = error; return (1); } @@ -859,18 +865,17 @@ ng_bridge_rcvdata(hook_p hook, item_p item) /* Distribute unknown, multicast, broadcast pkts to all other links */ NG_NODE_FOREACH_HOOK(node, ng_bridge_send_ctx, &ctx, ret); - /* If we never saw a good link, leave. */ - if (ctx.foundFirst == NULL || ctx.error != 0) { + /* Finally send out on the first link found */ + if (ctx.foundFirst != NULL) { + int error = ng_bridge_send_data(ctx.foundFirst, ctx.manycast, ctx.m, item); + if (error) + ctx.error = error; + } else { /* nothing to send at all */ NG_FREE_ITEM(item); NG_FREE_M(ctx.m); - return (ctx.error); } - /* - * If we've sent all the others, send the original - * on the first link we found. - */ - return (ng_bridge_send_data(ctx.foundFirst, ctx.manycast, ctx.m, item)); + return (ctx.error); } /* |