Hi stephen & David, The status of this patch shows "Accepted' for long time.
http://patchwork.ozlabs.org/patch/1019880/ But it doesn't applied to master. There are some other problem for this patch? BR wenxu On 1/2/2019 11:57 AM, we...@ucloud.cn wrote: > From: wenxu <we...@ucloud.cn> > > ip l add dev tun type gretap external > ip r a 10.0.0.1 encap ip dst 192.168.152.171 id 1000 dev gretap > > For gretap example when the command set the id but don't set the > TUNNEL_KEY flags. There is no key field in the send packet > > User can set flags with key, csum, seq > ip r a 10.0.0.1 encap ip dst 192.168.152.171 id 1000 key csum dev gretap > > Signed-off-by: wenxu <we...@ucloud.cn> > --- > ip/iproute_lwtunnel.c | 58 > +++++++++++++++++++++++++++++++++++++++++++++++++- > man/man8/ip-route.8.in | 3 ++- > 2 files changed, 59 insertions(+), 2 deletions(-) > > diff --git a/ip/iproute_lwtunnel.c b/ip/iproute_lwtunnel.c > index aee18ac..03217b8 100644 > --- a/ip/iproute_lwtunnel.c > +++ b/ip/iproute_lwtunnel.c > @@ -31,7 +31,7 @@ > #include <linux/seg6_iptunnel.h> > #include <linux/seg6_hmac.h> > #include <linux/seg6_local.h> > -#include <net/if.h> > +#include <linux/if_tunnel.h> > > static const char *format_encap_type(int type) > { > @@ -294,6 +294,7 @@ static void print_encap_mpls(FILE *fp, struct rtattr > *encap) > static void print_encap_ip(FILE *fp, struct rtattr *encap) > { > struct rtattr *tb[LWTUNNEL_IP_MAX+1]; > + __u16 flags; > > parse_rtattr_nested(tb, LWTUNNEL_IP_MAX, encap); > > @@ -318,6 +319,16 @@ static void print_encap_ip(FILE *fp, struct rtattr > *encap) > if (tb[LWTUNNEL_IP_TOS]) > print_uint(PRINT_ANY, "tos", > "tos %d ", rta_getattr_u8(tb[LWTUNNEL_IP_TOS])); > + > + if (tb[LWTUNNEL_IP_FLAGS]) { > + flags = rta_getattr_u16(tb[LWTUNNEL_IP_FLAGS]); > + if (flags & TUNNEL_KEY) > + print_bool(PRINT_ANY, "key", "key ", true); > + if (flags & TUNNEL_CSUM) > + print_bool(PRINT_ANY, "csum", "csum ", true); > + if (flags & TUNNEL_SEQ) > + print_bool(PRINT_ANY, "seq", "seq ", true); > + } > } > > static void print_encap_ila(FILE *fp, struct rtattr *encap) > @@ -354,6 +365,7 @@ static void print_encap_ila(FILE *fp, struct rtattr > *encap) > static void print_encap_ip6(FILE *fp, struct rtattr *encap) > { > struct rtattr *tb[LWTUNNEL_IP6_MAX+1]; > + __u16 flags; > > parse_rtattr_nested(tb, LWTUNNEL_IP6_MAX, encap); > > @@ -379,6 +391,16 @@ static void print_encap_ip6(FILE *fp, struct rtattr > *encap) > if (tb[LWTUNNEL_IP6_TC]) > print_uint(PRINT_ANY, "tc", > "tc %u ", rta_getattr_u8(tb[LWTUNNEL_IP6_TC])); > + > + if (tb[LWTUNNEL_IP6_FLAGS]) { > + flags = rta_getattr_u16(tb[LWTUNNEL_IP6_FLAGS]); > + if (flags & TUNNEL_KEY) > + print_bool(PRINT_ANY, "key", "key ", true); > + if (flags & TUNNEL_CSUM) > + print_bool(PRINT_ANY, "csum", "csum ", true); > + if (flags & TUNNEL_SEQ) > + print_bool(PRINT_ANY, "seq", "seq ", true); > + } > } > > static void print_encap_bpf(FILE *fp, struct rtattr *encap) > @@ -777,9 +799,11 @@ static int parse_encap_ip(struct rtattr *rta, size_t len, > int *argcp, char ***argvp) > { > int id_ok = 0, dst_ok = 0, src_ok = 0, tos_ok = 0, ttl_ok = 0; > + int key_ok = 0, csum_ok = 0, seq_ok = 0; > char **argv = *argvp; > int argc = *argcp; > int ret = 0; > + __u16 flags = 0; > > while (argc > 0) { > if (strcmp(*argv, "id") == 0) { > @@ -827,6 +851,18 @@ static int parse_encap_ip(struct rtattr *rta, size_t len, > if (get_u8(&ttl, *argv, 0)) > invarg("\"ttl\" value is invalid\n", *argv); > ret = rta_addattr8(rta, len, LWTUNNEL_IP_TTL, ttl); > + } else if (strcmp(*argv, "key") == 0) { > + if (key_ok++) > + duparg2("key", *argv); > + flags |= TUNNEL_KEY; > + } else if (strcmp(*argv, "csum") == 0) { > + if (csum_ok++) > + duparg2("csum", *argv); > + flags |= TUNNEL_CSUM; > + } else if (strcmp(*argv, "seq") == 0) { > + if (seq_ok++) > + duparg2("seq", *argv); > + flags |= TUNNEL_SEQ; > } else { > break; > } > @@ -835,6 +871,9 @@ static int parse_encap_ip(struct rtattr *rta, size_t len, > argc--; argv++; > } > > + if (flags) > + ret = rta_addattr16(rta, len, LWTUNNEL_IP_FLAGS, flags); > + > /* argv is currently the first unparsed argument, > * but the lwt_parse_encap() caller will move to the next, > * so step back > @@ -927,9 +966,11 @@ static int parse_encap_ip6(struct rtattr *rta, size_t > len, > int *argcp, char ***argvp) > { > int id_ok = 0, dst_ok = 0, src_ok = 0, tos_ok = 0, ttl_ok = 0; > + int key_ok = 0, csum_ok = 0, seq_ok = 0; > char **argv = *argvp; > int argc = *argcp; > int ret = 0; > + __u16 flags = 0; > > while (argc > 0) { > if (strcmp(*argv, "id") == 0) { > @@ -979,6 +1020,18 @@ static int parse_encap_ip6(struct rtattr *rta, size_t > len, > *argv); > ret = rta_addattr8(rta, len, LWTUNNEL_IP6_HOPLIMIT, > hoplimit); > + } else if (strcmp(*argv, "key") == 0) { > + if (key_ok++) > + duparg2("key", *argv); > + flags |= TUNNEL_KEY; > + } else if (strcmp(*argv, "csum") == 0) { > + if (csum_ok++) > + duparg2("csum", *argv); > + flags |= TUNNEL_CSUM; > + } else if (strcmp(*argv, "seq") == 0) { > + if (seq_ok++) > + duparg2("seq", *argv); > + flags |= TUNNEL_SEQ; > } else { > break; > } > @@ -987,6 +1040,9 @@ static int parse_encap_ip6(struct rtattr *rta, size_t > len, > argc--; argv++; > } > > + if (flags) > + ret = rta_addattr16(rta, len, LWTUNNEL_IP6_FLAGS, flags); > + > /* argv is currently the first unparsed argument, > * but the lwt_parse_encap() caller will move to the next, > * so step back > diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in > index 26dfe0b..1ab9b1c 100644 > --- a/man/man8/ip-route.8.in > +++ b/man/man8/ip-route.8.in > @@ -737,7 +737,8 @@ is a set of encapsulation attributes specific to the > .B tos > .IR TOS " ] [" > .B ttl > -.IR TTL " ]" > +.IR TTL " ] [ " > +.BR key " ] [" csum " ] [ " seq " ] " > .in -2 > .sp >
