Date: Tue, 30 Nov 2021 01:35:39 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 5b5bbf2e7c34 - stable/13 - sctp: Remove now-unneeded mb_unmapped_to_ext() calls Message-ID: <202111300135.1AU1ZdNM054659@gitrepo.freebsd.org>
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The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=5b5bbf2e7c341ec6ba569536fb14acb990d53334 commit 5b5bbf2e7c341ec6ba569536fb14acb990d53334 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2021-11-16 18:38:09 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2021-11-30 01:35:20 +0000 sctp: Remove now-unneeded mb_unmapped_to_ext() calls sctp_delayed_checksum() now handles unmapped mbufs, thanks to m_apply(). No functional change intended. Reviewed by: tuexen Sponsored by: The FreeBSD Foundation (cherry picked from commit 756bb50b6a867f3309ce76d76f1842a667dd303a) --- sys/netinet/ip_divert.c | 6 ------ sys/netinet/ip_output.c | 12 ------------ sys/netipsec/ipsec_output.c | 12 ------------ sys/netpfil/pf/pf.c | 3 --- 4 files changed, 33 deletions(-) diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c index 4919893d6a61..936e216e0926 100644 --- a/sys/netinet/ip_divert.c +++ b/sys/netinet/ip_divert.c @@ -220,9 +220,6 @@ divert_packet(struct mbuf *m, bool incoming) } #if defined(SCTP) || defined(SCTP_SUPPORT) if (m->m_pkthdr.csum_flags & CSUM_SCTP) { - m = mb_unmapped_to_ext(m); - if (m == NULL) - return; sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2)); m->m_pkthdr.csum_flags &= ~CSUM_SCTP; } @@ -238,9 +235,6 @@ divert_packet(struct mbuf *m, bool incoming) } #if defined(SCTP) || defined(SCTP_SUPPORT) if (m->m_pkthdr.csum_flags & CSUM_SCTP_IPV6) { - m = mb_unmapped_to_ext(m); - if (m == NULL) - return; sctp_delayed_cksum(m, sizeof(struct ip6_hdr)); m->m_pkthdr.csum_flags &= ~CSUM_SCTP_IPV6; } diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c index c269fca42015..4acec2bb877c 100644 --- a/sys/netinet/ip_output.c +++ b/sys/netinet/ip_output.c @@ -750,12 +750,6 @@ sendit: } #if defined(SCTP) || defined(SCTP_SUPPORT) if (m->m_pkthdr.csum_flags & CSUM_SCTP & ~ifp->if_hwassist) { - m = mb_unmapped_to_ext(m); - if (m == NULL) { - IPSTAT_INC(ips_odropped); - error = ENOBUFS; - goto bad; - } sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2)); m->m_pkthdr.csum_flags &= ~CSUM_SCTP; } @@ -908,12 +902,6 @@ ip_fragment(struct ip *ip, struct mbuf **m_frag, int mtu, } #if defined(SCTP) || defined(SCTP_SUPPORT) if (m0->m_pkthdr.csum_flags & CSUM_SCTP) { - m0 = mb_unmapped_to_ext(m0); - if (m0 == NULL) { - error = ENOBUFS; - IPSTAT_INC(ips_odropped); - goto done; - } sctp_delayed_cksum(m0, hlen); m0->m_pkthdr.csum_flags &= ~CSUM_SCTP; } diff --git a/sys/netipsec/ipsec_output.c b/sys/netipsec/ipsec_output.c index 86f06fd10947..a2deef95cdb5 100644 --- a/sys/netipsec/ipsec_output.c +++ b/sys/netipsec/ipsec_output.c @@ -336,12 +336,6 @@ ipsec4_common_output(struct mbuf *m, struct inpcb *inp, int forwarding) if (m->m_pkthdr.csum_flags & CSUM_SCTP) { struct ip *ip; - m = mb_unmapped_to_ext(m); - if (m == NULL) { - IPSECSTAT_INC(ips_out_nomem); - key_freesp(&sp); - return (ENOBUFS); - } ip = mtod(m, struct ip *); sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2)); m->m_pkthdr.csum_flags &= ~CSUM_SCTP; @@ -642,12 +636,6 @@ ipsec6_common_output(struct mbuf *m, struct inpcb *inp, int forwarding) } #if defined(SCTP) || defined(SCTP_SUPPORT) if (m->m_pkthdr.csum_flags & CSUM_SCTP_IPV6) { - m = mb_unmapped_to_ext(m); - if (m == NULL) { - IPSEC6STAT_INC(ips_out_nomem); - key_freesp(&sp); - return (ENOBUFS); - } sctp_delayed_cksum(m, sizeof(struct ip6_hdr)); m->m_pkthdr.csum_flags &= ~CSUM_SCTP_IPV6; } diff --git a/sys/netpfil/pf/pf.c b/sys/netpfil/pf/pf.c index 042658906bd2..84db11d2f0ef 100644 --- a/sys/netpfil/pf/pf.c +++ b/sys/netpfil/pf/pf.c @@ -5976,9 +5976,6 @@ pf_route(struct mbuf **m, struct pf_krule *r, int dir, struct ifnet *oifp, } #if defined(SCTP) || defined(SCTP_SUPPORT) if (m0->m_pkthdr.csum_flags & CSUM_SCTP & ~ifp->if_hwassist) { - m0 = mb_unmapped_to_ext(m0); - if (m0 == NULL) - goto done; sctp_delayed_cksum(m0, (uint32_t)(ip->ip_hl << 2)); m0->m_pkthdr.csum_flags &= ~CSUM_SCTP; }
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