diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-07 00:45:08 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-07 00:45:08 +0300 |
commit | aae3dbb4776e7916b6cd442d00159bea27a695c1 (patch) | |
tree | d074c5d783a81e7e2e084b1eba77f57459da7e37 /net/netfilter/nf_conntrack_standalone.c | |
parent | ec3604c7a5aae8953545b0d05495357009a960e5 (diff) | |
parent | 66bed8465a808400eb14562510e26c8818082cb8 (diff) | |
download | linux-aae3dbb4776e7916b6cd442d00159bea27a695c1.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Support ipv6 checksum offload in sunvnet driver, from Shannon
Nelson.
2) Move to RB-tree instead of custom AVL code in inetpeer, from Eric
Dumazet.
3) Allow generic XDP to work on virtual devices, from John Fastabend.
4) Add bpf device maps and XDP_REDIRECT, which can be used to build
arbitrary switching frameworks using XDP. From John Fastabend.
5) Remove UFO offloads from the tree, gave us little other than bugs.
6) Remove the IPSEC flow cache, from Florian Westphal.
7) Support ipv6 route offload in mlxsw driver.
8) Support VF representors in bnxt_en, from Sathya Perla.
9) Add support for forward error correction modes to ethtool, from
Vidya Sagar Ravipati.
10) Add time filter for packet scheduler action dumping, from Jamal Hadi
Salim.
11) Extend the zerocopy sendmsg() used by virtio and tap to regular
sockets via MSG_ZEROCOPY. From Willem de Bruijn.
12) Significantly rework value tracking in the BPF verifier, from Edward
Cree.
13) Add new jump instructions to eBPF, from Daniel Borkmann.
14) Rework rtnetlink plumbing so that operations can be run without
taking the RTNL semaphore. From Florian Westphal.
15) Support XDP in tap driver, from Jason Wang.
16) Add 32-bit eBPF JIT for ARM, from Shubham Bansal.
17) Add Huawei hinic ethernet driver.
18) Allow to report MD5 keys in TCP inet_diag dumps, from Ivan
Delalande.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1780 commits)
i40e: point wb_desc at the nvm_wb_desc during i40e_read_nvm_aq
i40e: avoid NVM acquire deadlock during NVM update
drivers: net: xgene: Remove return statement from void function
drivers: net: xgene: Configure tx/rx delay for ACPI
drivers: net: xgene: Read tx/rx delay for ACPI
rocker: fix kcalloc parameter order
rds: Fix non-atomic operation on shared flag variable
net: sched: don't use GFP_KERNEL under spin lock
vhost_net: correctly check tx avail during rx busy polling
net: mdio-mux: add mdio_mux parameter to mdio_mux_init()
rxrpc: Make service connection lookup always check for retry
net: stmmac: Delete dead code for MDIO registration
gianfar: Fix Tx flow control deactivation
cxgb4: Ignore MPS_TX_INT_CAUSE[Bubble] for T6
cxgb4: Fix pause frame count in t4_get_port_stats
cxgb4: fix memory leak
tun: rename generic_xdp to skb_xdp
tun: reserve extra headroom only when XDP is set
net: dsa: bcm_sf2: Configure IMP port TC2QOS mapping
net: dsa: bcm_sf2: Advertise number of egress queues
...
Diffstat (limited to 'net/netfilter/nf_conntrack_standalone.c')
-rw-r--r-- | net/netfilter/nf_conntrack_standalone.c | 103 |
1 files changed, 86 insertions, 17 deletions
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index ccb5cb9043e0..5a101caa3e12 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -41,8 +41,62 @@ print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple, const struct nf_conntrack_l3proto *l3proto, const struct nf_conntrack_l4proto *l4proto) { - l3proto->print_tuple(s, tuple); - l4proto->print_tuple(s, tuple); + switch (l3proto->l3proto) { + case NFPROTO_IPV4: + seq_printf(s, "src=%pI4 dst=%pI4 ", + &tuple->src.u3.ip, &tuple->dst.u3.ip); + break; + case NFPROTO_IPV6: + seq_printf(s, "src=%pI6 dst=%pI6 ", + tuple->src.u3.ip6, tuple->dst.u3.ip6); + break; + default: + break; + } + + switch (l4proto->l4proto) { + case IPPROTO_ICMP: + seq_printf(s, "type=%u code=%u id=%u ", + tuple->dst.u.icmp.type, + tuple->dst.u.icmp.code, + ntohs(tuple->src.u.icmp.id)); + break; + case IPPROTO_TCP: + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.tcp.port), + ntohs(tuple->dst.u.tcp.port)); + break; + case IPPROTO_UDPLITE: /* fallthrough */ + case IPPROTO_UDP: + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.udp.port), + ntohs(tuple->dst.u.udp.port)); + + break; + case IPPROTO_DCCP: + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.dccp.port), + ntohs(tuple->dst.u.dccp.port)); + break; + case IPPROTO_SCTP: + seq_printf(s, "sport=%hu dport=%hu ", + ntohs(tuple->src.u.sctp.port), + ntohs(tuple->dst.u.sctp.port)); + break; + case IPPROTO_ICMPV6: + seq_printf(s, "type=%u code=%u id=%u ", + tuple->dst.u.icmp.type, + tuple->dst.u.icmp.code, + ntohs(tuple->src.u.icmp.id)); + break; + case IPPROTO_GRE: + seq_printf(s, "srckey=0x%x dstkey=0x%x ", + ntohs(tuple->src.u.gre.key), + ntohs(tuple->dst.u.gre.key)); + break; + default: + break; + } } EXPORT_SYMBOL_GPL(print_tuple); @@ -198,6 +252,31 @@ ct_show_delta_time(struct seq_file *s, const struct nf_conn *ct) } #endif +static const char* l3proto_name(u16 proto) +{ + switch (proto) { + case AF_INET: return "ipv4"; + case AF_INET6: return "ipv6"; + } + + return "unknown"; +} + +static const char* l4proto_name(u16 proto) +{ + switch (proto) { + case IPPROTO_ICMP: return "icmp"; + case IPPROTO_TCP: return "tcp"; + case IPPROTO_UDP: return "udp"; + case IPPROTO_DCCP: return "dccp"; + case IPPROTO_GRE: return "gre"; + case IPPROTO_SCTP: return "sctp"; + case IPPROTO_UDPLITE: return "udplite"; + } + + return "unknown"; +} + /* return 0 on success, 1 in case of error */ static int ct_seq_show(struct seq_file *s, void *v) { @@ -208,7 +287,7 @@ static int ct_seq_show(struct seq_file *s, void *v) struct net *net = seq_file_net(s); int ret = 0; - NF_CT_ASSERT(ct); + WARN_ON(!ct); if (unlikely(!atomic_inc_not_zero(&ct->ct_general.use))) return 0; @@ -225,14 +304,14 @@ static int ct_seq_show(struct seq_file *s, void *v) goto release; l3proto = __nf_ct_l3proto_find(nf_ct_l3num(ct)); - NF_CT_ASSERT(l3proto); + WARN_ON(!l3proto); l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct)); - NF_CT_ASSERT(l4proto); + WARN_ON(!l4proto); ret = -ENOSPC; seq_printf(s, "%-8s %u %-8s %u %ld ", - l3proto->name, nf_ct_l3num(ct), - l4proto->name, nf_ct_protonum(ct), + l3proto_name(l3proto->l3proto), nf_ct_l3num(ct), + l4proto_name(l4proto->l4proto), nf_ct_protonum(ct), nf_ct_expires(ct) / HZ); if (l4proto->print_conntrack) @@ -452,9 +531,6 @@ static int log_invalid_proto_max __read_mostly = 255; /* size the user *wants to set */ static unsigned int nf_conntrack_htable_size_user __read_mostly; -extern unsigned int nf_conntrack_default_on; -unsigned int nf_conntrack_default_on __read_mostly = 1; - static int nf_conntrack_hash_sysctl(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) @@ -520,13 +596,6 @@ static struct ctl_table nf_ct_sysctl_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, - { - .procname = "nf_conntrack_default_on", - .data = &nf_conntrack_default_on, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = proc_dointvec, - }, { } }; |