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Date: Mon, 21 Feb 2022 10:11:53 +0800
From: kernel test robot <lkp@...el.com>
To: Roopa Prabhu <roopa@...dia.com>, davem@...emloft.net,
kuba@...nel.org
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
netdev@...r.kernel.org, stephen@...workplumber.org,
nikolay@...ulusnetworks.com, idosch@...dia.com, dsahern@...il.com
Subject: Re: [PATCH net-next 11/12] drivers: vxlan: vnifilter: per vni stats
Hi Roopa,
I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Roopa-Prabhu/vxlan-metadata-device-vnifiltering-support/20220220-220748
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 129c77b5692d4a95a00aa7d58075afe77179623e
config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220221/202202211055.sxjukMsT-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/ebc9d58021bf3de80a5f6b094758abc46d3cd4c4
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Roopa-Prabhu/vxlan-metadata-device-vnifiltering-support/20220220-220748
git checkout ebc9d58021bf3de80a5f6b094758abc46d3cd4c4
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/vxlan/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/net/vxlan/vxlan_core.c:948:5: warning: no previous prototype for function 'vxlan_fdb_update_existing' [-Wmissing-prototypes]
int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,
^
drivers/net/vxlan/vxlan_core.c:948:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,
^
static
drivers/net/vxlan/vxlan_core.c:2437:14: warning: variable 'label' set but not used [-Wunused-but-set-variable]
__be32 vni, label;
^
>> drivers/net/vxlan/vxlan_core.c:2483:7: warning: variable 'vni' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (!info) {
^~~~~
drivers/net/vxlan/vxlan_core.c:2662:31: note: uninitialized use occurs here
vxlan_vnifilter_count(vxlan, vni, VXLAN_VNI_STATS_TX_DROPS, 0);
^~~
drivers/net/vxlan/vxlan_core.c:2483:3: note: remove the 'if' if its condition is always false
if (!info) {
^~~~~~~~~~~~
>> drivers/net/vxlan/vxlan_core.c:2450:8: warning: variable 'vni' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
if (did_rsc) {
^~~~~~~
drivers/net/vxlan/vxlan_core.c:2662:31: note: uninitialized use occurs here
vxlan_vnifilter_count(vxlan, vni, VXLAN_VNI_STATS_TX_DROPS, 0);
^~~
drivers/net/vxlan/vxlan_core.c:2450:4: note: remove the 'if' if its condition is always true
if (did_rsc) {
^~~~~~~~~~~~~
drivers/net/vxlan/vxlan_core.c:2437:12: note: initialize the variable 'vni' to silence this warning
__be32 vni, label;
^
= 0
4 warnings generated.
vim +2483 drivers/net/vxlan/vxlan_core.c
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2421
4ad169300a7350 drivers/net/vxlan.c Stephen Hemminger 2013-06-17 2422 static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
3ad7a4b141ebd6 drivers/net/vxlan.c Roopa Prabhu 2017-01-31 2423 __be32 default_vni, struct vxlan_rdst *rdst,
3ad7a4b141ebd6 drivers/net/vxlan.c Roopa Prabhu 2017-01-31 2424 bool did_rsc)
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2425 {
d71785ffc7e7ca drivers/net/vxlan.c Paolo Abeni 2016-02-12 2426 struct dst_cache *dst_cache;
3093fbe7ff4bc7 drivers/net/vxlan.c Thomas Graf 2015-07-21 2427 struct ip_tunnel_info *info;
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2428 struct vxlan_dev *vxlan = netdev_priv(dev);
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2429 const struct iphdr *old_iph = ip_hdr(skb);
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2430 union vxlan_addr *dst;
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2431 union vxlan_addr remote_ip, local_ip;
ee122c79d4227f drivers/net/vxlan.c Thomas Graf 2015-07-21 2432 struct vxlan_metadata _md;
ee122c79d4227f drivers/net/vxlan.c Thomas Graf 2015-07-21 2433 struct vxlan_metadata *md = &_md;
ebc9d58021bf3d drivers/net/vxlan/vxlan_core.c Nikolay Aleksandrov 2022-02-20 2434 unsigned int pkt_len = skb->len;
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2435 __be16 src_port = 0, dst_port;
655c3de16540b8 drivers/net/vxlan.c pravin shelar 2016-11-13 2436 struct dst_entry *ndst = NULL;
e7f70af111f086 drivers/net/vxlan.c Daniel Borkmann 2016-03-09 2437 __be32 vni, label;
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2438 __u8 tos, ttl;
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2439 int ifindex;
0e6fbc5b6c6218 drivers/net/vxlan.c Pravin B Shelar 2013-06-17 2440 int err;
dc5321d79697db drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2441 u32 flags = vxlan->cfg.flags;
b4ed5cad24c107 drivers/net/vxlan.c Jiri Benc 2016-02-02 2442 bool udp_sum = false;
f491e56dba511d drivers/net/vxlan.c Jiri Benc 2016-02-02 2443 bool xnet = !net_eq(vxlan->net, dev_net(vxlan->dev));
e4f67addf158f9 drivers/net/vxlan.c David Stevens 2012-11-20 2444
61adedf3e3f1d3 drivers/net/vxlan.c Jiri Benc 2015-08-20 2445 info = skb_tunnel_info(skb);
3093fbe7ff4bc7 drivers/net/vxlan.c Thomas Graf 2015-07-21 2446
ee122c79d4227f drivers/net/vxlan.c Thomas Graf 2015-07-21 2447 if (rdst) {
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2448 dst = &rdst->remote_ip;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2449 if (vxlan_addr_any(dst)) {
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 @2450 if (did_rsc) {
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2451 /* short-circuited back to local bridge */
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2452 vxlan_encap_bypass(skb, vxlan, vxlan,
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2453 default_vni, true);
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2454 return;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2455 }
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2456 goto drop;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2457 }
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2458
0dfbdf4102b930 drivers/net/vxlan.c Thomas Graf 2015-07-21 2459 dst_port = rdst->remote_port ? rdst->remote_port : vxlan->cfg.dst_port;
3ad7a4b141ebd6 drivers/net/vxlan.c Roopa Prabhu 2017-01-31 2460 vni = (rdst->remote_vni) ? : default_vni;
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2461 ifindex = rdst->remote_ifindex;
1158632b5a2dcc drivers/net/vxlan.c Brian Russell 2017-02-24 2462 local_ip = vxlan->cfg.saddr;
d71785ffc7e7ca drivers/net/vxlan.c Paolo Abeni 2016-02-12 2463 dst_cache = &rdst->dst_cache;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2464 md->gbp = skb->mark;
72f6d71e491e6c drivers/net/vxlan.c Hangbin Liu 2018-04-17 2465 if (flags & VXLAN_F_TTL_INHERIT) {
72f6d71e491e6c drivers/net/vxlan.c Hangbin Liu 2018-04-17 2466 ttl = ip_tunnel_get_ttl(old_iph, skb);
72f6d71e491e6c drivers/net/vxlan.c Hangbin Liu 2018-04-17 2467 } else {
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2468 ttl = vxlan->cfg.ttl;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2469 if (!ttl && vxlan_addr_multicast(dst))
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2470 ttl = 1;
72f6d71e491e6c drivers/net/vxlan.c Hangbin Liu 2018-04-17 2471 }
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2472
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2473 tos = vxlan->cfg.tos;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2474 if (tos == 1)
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2475 tos = ip_tunnel_get_dsfield(old_iph, skb);
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2476
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2477 if (dst->sa.sa_family == AF_INET)
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2478 udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM_TX);
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2479 else
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2480 udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2481 label = vxlan->cfg.label;
ee122c79d4227f drivers/net/vxlan.c Thomas Graf 2015-07-21 2482 } else {
435be28b0789b3 drivers/net/vxlan.c Jakub Kicinski 2020-09-25 @2483 if (!info) {
435be28b0789b3 drivers/net/vxlan.c Jakub Kicinski 2020-09-25 2484 WARN_ONCE(1, "%s: Missing encapsulation instructions\n",
435be28b0789b3 drivers/net/vxlan.c Jakub Kicinski 2020-09-25 2485 dev->name);
435be28b0789b3 drivers/net/vxlan.c Jakub Kicinski 2020-09-25 2486 goto drop;
435be28b0789b3 drivers/net/vxlan.c Jakub Kicinski 2020-09-25 2487 }
b1be00a6c39fda drivers/net/vxlan.c Jiri Benc 2015-09-24 2488 remote_ip.sa.sa_family = ip_tunnel_info_af(info);
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2489 if (remote_ip.sa.sa_family == AF_INET) {
c1ea5d672aaff0 drivers/net/vxlan.c Jiri Benc 2015-08-20 2490 remote_ip.sin.sin_addr.s_addr = info->key.u.ipv4.dst;
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2491 local_ip.sin.sin_addr.s_addr = info->key.u.ipv4.src;
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2492 } else {
a725e514dbb444 drivers/net/vxlan.c Jiri Benc 2015-08-20 2493 remote_ip.sin6.sin6_addr = info->key.u.ipv6.dst;
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2494 local_ip.sin6.sin6_addr = info->key.u.ipv6.src;
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2495 }
ee122c79d4227f drivers/net/vxlan.c Thomas Graf 2015-07-21 2496 dst = &remote_ip;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2497 dst_port = info->key.tp_dst ? : vxlan->cfg.dst_port;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2498 vni = tunnel_id_to_key32(info->key.tun_id);
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2499 ifindex = 0;
d71785ffc7e7ca drivers/net/vxlan.c Paolo Abeni 2016-02-12 2500 dst_cache = &info->dst_cache;
eadf52cf185219 drivers/net/vxlan.c Xin Long 2019-10-29 2501 if (info->key.tun_flags & TUNNEL_VXLAN_OPT) {
eadf52cf185219 drivers/net/vxlan.c Xin Long 2019-10-29 2502 if (info->options_len < sizeof(*md))
eadf52cf185219 drivers/net/vxlan.c Xin Long 2019-10-29 2503 goto drop;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2504 md = ip_tunnel_info_opts(info);
eadf52cf185219 drivers/net/vxlan.c Xin Long 2019-10-29 2505 }
7c383fb2254c44 drivers/net/vxlan.c Jiri Benc 2015-08-20 2506 ttl = info->key.ttl;
7c383fb2254c44 drivers/net/vxlan.c Jiri Benc 2015-08-20 2507 tos = info->key.tos;
e7f70af111f086 drivers/net/vxlan.c Daniel Borkmann 2016-03-09 2508 label = info->key.label;
b4ed5cad24c107 drivers/net/vxlan.c Jiri Benc 2016-02-02 2509 udp_sum = !!(info->key.tun_flags & TUNNEL_CSUM);
ee122c79d4227f drivers/net/vxlan.c Thomas Graf 2015-07-21 2510 }
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2511 src_port = udp_flow_src_port(dev_net(dev), skb, vxlan->cfg.port_min,
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2512 vxlan->cfg.port_max, true);
ee122c79d4227f drivers/net/vxlan.c Thomas Graf 2015-07-21 2513
56de859e9967c0 drivers/net/vxlan.c Jakub Kicinski 2017-02-24 2514 rcu_read_lock();
a725e514dbb444 drivers/net/vxlan.c Jiri Benc 2015-08-20 2515 if (dst->sa.sa_family == AF_INET) {
c6fcc4fc5f8b59 drivers/net/vxlan.c pravin shelar 2016-10-28 2516 struct vxlan_sock *sock4 = rcu_dereference(vxlan->vn4_sock);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2517 struct rtable *rt;
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2518 __be16 df = 0;
c6fcc4fc5f8b59 drivers/net/vxlan.c pravin shelar 2016-10-28 2519
aab8cc3630e325 drivers/net/vxlan.c Alexis Bauvin 2018-12-03 2520 if (!ifindex)
aab8cc3630e325 drivers/net/vxlan.c Alexis Bauvin 2018-12-03 2521 ifindex = sock4->sock->sk->sk_bound_dev_if;
aab8cc3630e325 drivers/net/vxlan.c Alexis Bauvin 2018-12-03 2522
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2523 rt = vxlan_get_route(vxlan, dev, sock4, skb, ifindex, tos,
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2524 dst->sin.sin_addr.s_addr,
1158632b5a2dcc drivers/net/vxlan.c Brian Russell 2017-02-24 2525 &local_ip.sin.sin_addr.s_addr,
4ecb1d83f6abe8 drivers/net/vxlan.c Martynas Pumputis 2017-01-11 2526 dst_port, src_port,
d71785ffc7e7ca drivers/net/vxlan.c Paolo Abeni 2016-02-12 2527 dst_cache, info);
8ebd115bb23ac4 drivers/net/vxlan.c David S. Miller 2016-11-15 2528 if (IS_ERR(rt)) {
8ebd115bb23ac4 drivers/net/vxlan.c David S. Miller 2016-11-15 2529 err = PTR_ERR(rt);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2530 goto tx_error;
8ebd115bb23ac4 drivers/net/vxlan.c David S. Miller 2016-11-15 2531 }
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2532
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2533 if (!info) {
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2534 /* Bypass encapsulation if the destination is local */
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2535 err = encap_bypass_if_local(skb, dev, vxlan, dst,
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2536 dst_port, ifindex, vni,
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2537 &rt->dst, rt->rt_flags);
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2538 if (err)
56de859e9967c0 drivers/net/vxlan.c Jakub Kicinski 2017-02-24 2539 goto out_unlock;
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2540
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2541 if (vxlan->cfg.df == VXLAN_DF_SET) {
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2542 df = htons(IP_DF);
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2543 } else if (vxlan->cfg.df == VXLAN_DF_INHERIT) {
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2544 struct ethhdr *eth = eth_hdr(skb);
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2545
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2546 if (ntohs(eth->h_proto) == ETH_P_IPV6 ||
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2547 (ntohs(eth->h_proto) == ETH_P_IP &&
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2548 old_iph->frag_off & htons(IP_DF)))
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2549 df = htons(IP_DF);
b4d3069783bccf drivers/net/vxlan.c Stefano Brivio 2018-11-08 2550 }
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2551 } else if (info->key.tun_flags & TUNNEL_DONT_FRAGMENT) {
6ceb31ca5f65ac drivers/net/vxlan.c Alexander Duyck 2016-02-19 2552 df = htons(IP_DF);
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2553 }
6ceb31ca5f65ac drivers/net/vxlan.c Alexander Duyck 2016-02-19 2554
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2555 ndst = &rt->dst;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2556 err = skb_tunnel_check_pmtu(skb, ndst, VXLAN_HEADROOM,
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2557 netif_is_any_bridge_port(dev));
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2558 if (err < 0) {
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2559 goto tx_error;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2560 } else if (err) {
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2561 if (info) {
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2562 struct ip_tunnel_info *unclone;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2563 struct in_addr src, dst;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2564
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2565 unclone = skb_tunnel_info_unclone(skb);
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2566 if (unlikely(!unclone))
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2567 goto tx_error;
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2568
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2569 src = remote_ip.sin.sin_addr;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2570 dst = local_ip.sin.sin_addr;
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2571 unclone->key.u.ipv4.src = src.s_addr;
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2572 unclone->key.u.ipv4.dst = dst.s_addr;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2573 }
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2574 vxlan_encap_bypass(skb, vxlan, vxlan, vni, false);
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2575 dst_release(ndst);
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2576 goto out_unlock;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2577 }
a93bf0ff449064 drivers/net/vxlan.c Xin Long 2017-12-18 2578
a0dced17ad9dc0 drivers/net/vxlan.c Hangbin Liu 2020-08-05 2579 tos = ip_tunnel_ecn_encap(tos, old_iph, skb);
0e6fbc5b6c6218 drivers/net/vxlan.c Pravin B Shelar 2013-06-17 2580 ttl = ttl ? : ip4_dst_hoplimit(&rt->dst);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2581 err = vxlan_build_skb(skb, ndst, sizeof(struct iphdr),
54bfd872bf16d4 drivers/net/vxlan.c Jiri Benc 2016-02-16 2582 vni, md, flags, udp_sum);
f491e56dba511d drivers/net/vxlan.c Jiri Benc 2016-02-02 2583 if (err < 0)
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2584 goto tx_error;
f491e56dba511d drivers/net/vxlan.c Jiri Benc 2016-02-02 2585
1158632b5a2dcc drivers/net/vxlan.c Brian Russell 2017-02-24 2586 udp_tunnel_xmit_skb(rt, sock4->sock->sk, skb, local_ip.sin.sin_addr.s_addr,
af33c1adae1e09 drivers/net/vxlan.c Tom Herbert 2015-01-20 2587 dst->sin.sin_addr.s_addr, tos, ttl, df,
f491e56dba511d drivers/net/vxlan.c Jiri Benc 2016-02-02 2588 src_port, dst_port, xnet, !udp_sum);
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2589 #if IS_ENABLED(CONFIG_IPV6)
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2590 } else {
c6fcc4fc5f8b59 drivers/net/vxlan.c pravin shelar 2016-10-28 2591 struct vxlan_sock *sock6 = rcu_dereference(vxlan->vn6_sock);
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2592
aab8cc3630e325 drivers/net/vxlan.c Alexis Bauvin 2018-12-03 2593 if (!ifindex)
aab8cc3630e325 drivers/net/vxlan.c Alexis Bauvin 2018-12-03 2594 ifindex = sock6->sock->sk->sk_bound_dev_if;
aab8cc3630e325 drivers/net/vxlan.c Alexis Bauvin 2018-12-03 2595
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2596 ndst = vxlan6_get_route(vxlan, dev, sock6, skb, ifindex, tos,
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2597 label, &dst->sin6.sin6_addr,
1158632b5a2dcc drivers/net/vxlan.c Brian Russell 2017-02-24 2598 &local_ip.sin6.sin6_addr,
4ecb1d83f6abe8 drivers/net/vxlan.c Martynas Pumputis 2017-01-11 2599 dst_port, src_port,
db3c6139e6ead9 drivers/net/vxlan.c Daniel Borkmann 2016-03-04 2600 dst_cache, info);
e5d4b29fe86a91 drivers/net/vxlan.c Jiri Benc 2015-12-07 2601 if (IS_ERR(ndst)) {
8ebd115bb23ac4 drivers/net/vxlan.c David S. Miller 2016-11-15 2602 err = PTR_ERR(ndst);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2603 ndst = NULL;
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2604 goto tx_error;
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2605 }
655c3de16540b8 drivers/net/vxlan.c pravin shelar 2016-11-13 2606
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2607 if (!info) {
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2608 u32 rt6i_flags = ((struct rt6_info *)ndst)->rt6i_flags;
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2609
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2610 err = encap_bypass_if_local(skb, dev, vxlan, dst,
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2611 dst_port, ifindex, vni,
49f810f00fa347 drivers/net/vxlan.c Matthias Schiffer 2017-06-19 2612 ndst, rt6i_flags);
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2613 if (err)
56de859e9967c0 drivers/net/vxlan.c Jakub Kicinski 2017-02-24 2614 goto out_unlock;
fee1fad7c73dd0 drivers/net/vxlan.c pravin shelar 2016-11-13 2615 }
35e2d1152b22ea drivers/net/vxlan.c Jesse Gross 2016-01-20 2616
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2617 err = skb_tunnel_check_pmtu(skb, ndst, VXLAN6_HEADROOM,
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2618 netif_is_any_bridge_port(dev));
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2619 if (err < 0) {
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2620 goto tx_error;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2621 } else if (err) {
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2622 if (info) {
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2623 struct ip_tunnel_info *unclone;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2624 struct in6_addr src, dst;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2625
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2626 unclone = skb_tunnel_info_unclone(skb);
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2627 if (unlikely(!unclone))
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2628 goto tx_error;
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2629
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2630 src = remote_ip.sin6.sin6_addr;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2631 dst = local_ip.sin6.sin6_addr;
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2632 unclone->key.u.ipv6.src = src;
30a93d2b7d5a7c drivers/net/vxlan.c Antoine Tenart 2021-03-25 2633 unclone->key.u.ipv6.dst = dst;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2634 }
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2635
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2636 vxlan_encap_bypass(skb, vxlan, vxlan, vni, false);
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2637 dst_release(ndst);
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2638 goto out_unlock;
fc68c99577cc66 drivers/net/vxlan.c Stefano Brivio 2020-08-04 2639 }
a93bf0ff449064 drivers/net/vxlan.c Xin Long 2017-12-18 2640
a0dced17ad9dc0 drivers/net/vxlan.c Hangbin Liu 2020-08-05 2641 tos = ip_tunnel_ecn_encap(tos, old_iph, skb);
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2642 ttl = ttl ? : ip6_dst_hoplimit(ndst);
f491e56dba511d drivers/net/vxlan.c Jiri Benc 2016-02-02 2643 skb_scrub_packet(skb, xnet);
f491e56dba511d drivers/net/vxlan.c Jiri Benc 2016-02-02 2644 err = vxlan_build_skb(skb, ndst, sizeof(struct ipv6hdr),
54bfd872bf16d4 drivers/net/vxlan.c Jiri Benc 2016-02-16 2645 vni, md, flags, udp_sum);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2646 if (err < 0)
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2647 goto tx_error;
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2648
0770b53bd276a7 drivers/net/vxlan.c pravin shelar 2016-11-13 2649 udp_tunnel6_xmit_skb(ndst, sock6->sock->sk, skb, dev,
1158632b5a2dcc drivers/net/vxlan.c Brian Russell 2017-02-24 2650 &local_ip.sin6.sin6_addr,
272d96a5ab1066 drivers/net/vxlan.c pravin shelar 2016-08-05 2651 &dst->sin6.sin6_addr, tos, ttl,
e7f70af111f086 drivers/net/vxlan.c Daniel Borkmann 2016-03-09 2652 label, src_port, dst_port, !udp_sum);
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2653 #endif
e4c7ed415387cf drivers/net/vxlan.c Cong Wang 2013-08-31 2654 }
ebc9d58021bf3d drivers/net/vxlan/vxlan_core.c Nikolay Aleksandrov 2022-02-20 2655 vxlan_vnifilter_count(vxlan, vni, VXLAN_VNI_STATS_TX, pkt_len);
56de859e9967c0 drivers/net/vxlan.c Jakub Kicinski 2017-02-24 2656 out_unlock:
56de859e9967c0 drivers/net/vxlan.c Jakub Kicinski 2017-02-24 2657 rcu_read_unlock();
4ad169300a7350 drivers/net/vxlan.c Stephen Hemminger 2013-06-17 2658 return;
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2659
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2660 drop:
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2661 dev->stats.tx_dropped++;
ebc9d58021bf3d drivers/net/vxlan/vxlan_core.c Nikolay Aleksandrov 2022-02-20 2662 vxlan_vnifilter_count(vxlan, vni, VXLAN_VNI_STATS_TX_DROPS, 0);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2663 dev_kfree_skb(skb);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2664 return;
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2665
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2666 tx_error:
56de859e9967c0 drivers/net/vxlan.c Jakub Kicinski 2017-02-24 2667 rcu_read_unlock();
655c3de16540b8 drivers/net/vxlan.c pravin shelar 2016-11-13 2668 if (err == -ELOOP)
655c3de16540b8 drivers/net/vxlan.c pravin shelar 2016-11-13 2669 dev->stats.collisions++;
655c3de16540b8 drivers/net/vxlan.c pravin shelar 2016-11-13 2670 else if (err == -ENETUNREACH)
655c3de16540b8 drivers/net/vxlan.c pravin shelar 2016-11-13 2671 dev->stats.tx_carrier_errors++;
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2672 dst_release(ndst);
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2673 dev->stats.tx_errors++;
ebc9d58021bf3d drivers/net/vxlan/vxlan_core.c Nikolay Aleksandrov 2022-02-20 2674 vxlan_vnifilter_count(vxlan, vni, VXLAN_VNI_STATS_TX_ERRORS, 0);
c46b7897ad5ba4 drivers/net/vxlan.c pravin shelar 2016-11-13 2675 kfree_skb(skb);
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2676 }
d342894c5d2f8c drivers/net/vxlan.c stephen hemminger 2012-10-01 2677
---
0-DAY CI Kernel Test Service, Intel Corporation
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