diff options
| author | Carmine Scarpitta <carmine.scarpitta@uniroma2.it> | 2023-03-20 21:35:04 +0100 |
|---|---|---|
| committer | Carmine Scarpitta <carmine.scarpitta@uniroma2.it> | 2023-09-11 17:35:02 +0200 |
| commit | f4d2d9ba0a5ce5007c32d762535d8c6b48541e7e (patch) | |
| tree | 7d27c85d813c0fb73d77f68045b83ee1ce0c12da | |
| parent | f26becb27ad64f10fb60e56ab60a0f4507436ef6 (diff) | |
zebra: Extend `rt_netlink.c` to parse SRv6 flavors
Extend the `parse_encap_seg6local` function to parse SRv6 flavors
information contained in the Netlink message.
Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>
| -rw-r--r-- | zebra/rt_netlink.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c index a51d7b849b..3ea7252ca1 100644 --- a/zebra/rt_netlink.c +++ b/zebra/rt_netlink.c @@ -407,6 +407,36 @@ static int parse_encap_mpls(struct rtattr *tb, mpls_label_t *labels) return num_labels; } +/** + * @parse_encap_seg6local_flavors() - Parses encapsulated SRv6 flavors + * attributes + * @tb: Pointer to rtattr to look for nested items in. + * @flv: Pointer to store SRv6 flavors info in. + * + * Return: 0 on success, non-zero on error + */ +static int parse_encap_seg6local_flavors(struct rtattr *tb, + struct seg6local_flavors_info *flv) +{ + struct rtattr *tb_encap[SEG6_LOCAL_FLV_MAX + 1] = {}; + + netlink_parse_rtattr_nested(tb_encap, SEG6_LOCAL_FLV_MAX, tb); + + if (tb_encap[SEG6_LOCAL_FLV_OPERATION]) + flv->flv_ops = *(uint32_t *)RTA_DATA( + tb_encap[SEG6_LOCAL_FLV_OPERATION]); + + if (tb_encap[SEG6_LOCAL_FLV_LCBLOCK_BITS]) + flv->lcblock_len = *(uint8_t *)RTA_DATA( + tb_encap[SEG6_LOCAL_FLV_LCBLOCK_BITS]); + + if (tb_encap[SEG6_LOCAL_FLV_LCNODE_FN_BITS]) + flv->lcnode_func_len = *(uint8_t *)RTA_DATA( + tb_encap[SEG6_LOCAL_FLV_LCNODE_FN_BITS]); + + return 0; +} + static enum seg6local_action_t parse_encap_seg6local(struct rtattr *tb, struct seg6local_context *ctx) @@ -434,6 +464,11 @@ parse_encap_seg6local(struct rtattr *tb, ctx->table = *(uint32_t *)RTA_DATA(tb_encap[SEG6_LOCAL_VRFTABLE]); + if (tb_encap[SEG6_LOCAL_FLAVORS]) { + parse_encap_seg6local_flavors(tb_encap[SEG6_LOCAL_FLAVORS], + &ctx->flv); + } + return act; } |