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net/sched: add tunnel option support to act_tunnel_key

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Allow setting tunnel options using the act_tunnel_key action.

Options are expressed as class:type:data and multiple options
may be listed using a comma delimiter.

 # ip link add name geneve0 type geneve dstport 0 external
 # tc qdisc add dev eth0 ingress
 # tc filter add dev eth0 protocol ip parent ffff: \
     flower indev eth0 \
        ip_proto udp \
        action tunnel_key \
            set src_ip 10.0.99.192 \
            dst_ip 10.0.99.193 \
            dst_port 6081 \
            id 11 \
            geneve_opts 0102:80:00800022,0102:80:00800022 \
    action mirred egress redirect dev geneve0

Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Simon Horman
2018-06-26 21:39:37 -07:00
committed by David S. Miller
parent 256c87c17c
commit 0ed5269f9e
2 changed files with 236 additions and 4 deletions
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26
include/uapi/linux/tc_act/tc_tunnel_key.h
View File

@@ -36,9 +36,35 @@ enum {
TCA_TUNNEL_KEY_PAD,
TCA_TUNNEL_KEY_ENC_DST_PORT, /* be16 */
TCA_TUNNEL_KEY_NO_CSUM, /* u8 */
TCA_TUNNEL_KEY_ENC_OPTS, /* Nested TCA_TUNNEL_KEY_ENC_OPTS_
* attributes
*/
__TCA_TUNNEL_KEY_MAX,
};
#define TCA_TUNNEL_KEY_MAX (__TCA_TUNNEL_KEY_MAX - 1)
enum {
TCA_TUNNEL_KEY_ENC_OPTS_UNSPEC,
TCA_TUNNEL_KEY_ENC_OPTS_GENEVE, /* Nested
* TCA_TUNNEL_KEY_ENC_OPTS_
* attributes
*/
__TCA_TUNNEL_KEY_ENC_OPTS_MAX,
};
#define TCA_TUNNEL_KEY_ENC_OPTS_MAX (__TCA_TUNNEL_KEY_ENC_OPTS_MAX - 1)
enum {
TCA_TUNNEL_KEY_ENC_OPT_GENEVE_UNSPEC,
TCA_TUNNEL_KEY_ENC_OPT_GENEVE_CLASS, /* be16 */
TCA_TUNNEL_KEY_ENC_OPT_GENEVE_TYPE, /* u8 */
TCA_TUNNEL_KEY_ENC_OPT_GENEVE_DATA, /* 4 to 128 bytes */
__TCA_TUNNEL_KEY_ENC_OPT_GENEVE_MAX,
};
#define TCA_TUNNEL_KEY_ENC_OPT_GENEVE_MAX \
(__TCA_TUNNEL_KEY_ENC_OPT_GENEVE_MAX - 1)
#endif