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SoftLRO: remove 8 segments limit

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This limit is no longer needed after the last fix here.

ok stsp@ bluhm@
This commit is contained in:
jan
2025-08-18 13:54:01 +00:00
parent d4391ce71d
commit 7f05c7497d
1 changed files with 2 additions and 16 deletions
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18
sys/netinet/tcp_input.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: tcp_input.c,v 1.460 2025/08/14 08:50:25 mvs Exp $ */
/* $OpenBSD: tcp_input.c,v 1.461 2025/08/18 13:54:01 jan Exp $ */
/* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */
/*
@@ -4500,8 +4500,7 @@ void
tcp_softlro_glue(struct mbuf_list *ml, struct mbuf *mtail, struct ifnet *ifp)
{
struct ether_extracted head, tail;
struct mbuf *m, *mhead;
unsigned int headcnt, tailcnt;
struct mbuf *mhead;
if (!ISSET(ifp->if_xflags, IFXF_LRO))
goto dontmerge;
@@ -4524,12 +4523,6 @@ tcp_softlro_glue(struct mbuf_list *ml, struct mbuf *mtail, struct ifnet *ifp)
if (!tcp_softlro_check(mtail, &tail))
goto dontmerge;
tailcnt = 0;
for (m = mtail; m != NULL; m = m->m_next) {
if (tailcnt++ >= 8)
goto dontmerge;
}
mtail->m_pkthdr.ph_mss = tail.paylen;
for (mhead = ml->ml_head; mhead != NULL; mhead = mhead->m_nextpkt) {
@@ -4564,13 +4557,6 @@ tcp_softlro_glue(struct mbuf_list *ml, struct mbuf *mtail, struct ifnet *ifp)
if (!tcp_softlro_compare(&head, &tail))
continue;
/* Limit mbuf chain to avoid m_defrag calls when forwarding. */
headcnt = tailcnt;
for (m = mhead; m != NULL; m = m->m_next) {
if (headcnt++ >= 8)
goto dontmerge;
}
tcp_softlro_concat(mhead, &head, mtail, &tail);
return;
}