diff options
Diffstat (limited to 'net/sched/cls_flower.c')
-rw-r--r-- | net/sched/cls_flower.c | 134 |
1 files changed, 121 insertions, 13 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index e1314674b4a9..fd9a6f20b60b 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -28,6 +28,7 @@ #include <net/vxlan.h> #include <net/erspan.h> #include <net/gtp.h> +#include <net/pfcp.h> #include <net/tc_wrapper.h> #include <net/dst.h> @@ -741,6 +742,7 @@ enc_opts_policy[TCA_FLOWER_KEY_ENC_OPTS_MAX + 1] = { [TCA_FLOWER_KEY_ENC_OPTS_VXLAN] = { .type = NLA_NESTED }, [TCA_FLOWER_KEY_ENC_OPTS_ERSPAN] = { .type = NLA_NESTED }, [TCA_FLOWER_KEY_ENC_OPTS_GTP] = { .type = NLA_NESTED }, + [TCA_FLOWER_KEY_ENC_OPTS_PFCP] = { .type = NLA_NESTED }, }; static const struct nla_policy @@ -771,6 +773,12 @@ gtp_opt_policy[TCA_FLOWER_KEY_ENC_OPT_GTP_MAX + 1] = { }; static const struct nla_policy +pfcp_opt_policy[TCA_FLOWER_KEY_ENC_OPT_PFCP_MAX + 1] = { + [TCA_FLOWER_KEY_ENC_OPT_PFCP_TYPE] = { .type = NLA_U8 }, + [TCA_FLOWER_KEY_ENC_OPT_PFCP_SEID] = { .type = NLA_U64 }, +}; + +static const struct nla_policy mpls_stack_entry_policy[TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX + 1] = { [TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH] = { .type = NLA_U8 }, [TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL] = { .type = NLA_U8 }, @@ -1419,6 +1427,44 @@ static int fl_set_gtp_opt(const struct nlattr *nla, struct fl_flow_key *key, return sizeof(*sinfo); } +static int fl_set_pfcp_opt(const struct nlattr *nla, struct fl_flow_key *key, + int depth, int option_len, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_PFCP_MAX + 1]; + struct pfcp_metadata *md; + int err; + + md = (struct pfcp_metadata *)&key->enc_opts.data[key->enc_opts.len]; + memset(md, 0xff, sizeof(*md)); + + if (!depth) + return sizeof(*md); + + if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_PFCP) { + NL_SET_ERR_MSG_MOD(extack, "Non-pfcp option type for mask"); + return -EINVAL; + } + + err = nla_parse_nested(tb, TCA_FLOWER_KEY_ENC_OPT_PFCP_MAX, nla, + pfcp_opt_policy, extack); + if (err < 0) + return err; + + if (!option_len && !tb[TCA_FLOWER_KEY_ENC_OPT_PFCP_TYPE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing tunnel key pfcp option type"); + return -EINVAL; + } + + if (tb[TCA_FLOWER_KEY_ENC_OPT_PFCP_TYPE]) + md->type = nla_get_u8(tb[TCA_FLOWER_KEY_ENC_OPT_PFCP_TYPE]); + + if (tb[TCA_FLOWER_KEY_ENC_OPT_PFCP_SEID]) + md->seid = nla_get_be64(tb[TCA_FLOWER_KEY_ENC_OPT_PFCP_SEID]); + + return sizeof(*md); +} + static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, struct fl_flow_key *mask, struct netlink_ext_ack *extack) @@ -1454,12 +1500,13 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, switch (nla_type(nla_opt_key)) { case TCA_FLOWER_KEY_ENC_OPTS_GENEVE: if (key->enc_opts.dst_opt_type && - key->enc_opts.dst_opt_type != TUNNEL_GENEVE_OPT) { + key->enc_opts.dst_opt_type != + IP_TUNNEL_GENEVE_OPT_BIT) { NL_SET_ERR_MSG(extack, "Duplicate type for geneve options"); return -EINVAL; } option_len = 0; - key->enc_opts.dst_opt_type = TUNNEL_GENEVE_OPT; + key->enc_opts.dst_opt_type = IP_TUNNEL_GENEVE_OPT_BIT; option_len = fl_set_geneve_opt(nla_opt_key, key, key_depth, option_len, extack); @@ -1470,7 +1517,7 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, /* At the same time we need to parse through the mask * in order to verify exact and mask attribute lengths. */ - mask->enc_opts.dst_opt_type = TUNNEL_GENEVE_OPT; + mask->enc_opts.dst_opt_type = IP_TUNNEL_GENEVE_OPT_BIT; option_len = fl_set_geneve_opt(nla_opt_msk, mask, msk_depth, option_len, extack); @@ -1489,7 +1536,7 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, return -EINVAL; } option_len = 0; - key->enc_opts.dst_opt_type = TUNNEL_VXLAN_OPT; + key->enc_opts.dst_opt_type = IP_TUNNEL_VXLAN_OPT_BIT; option_len = fl_set_vxlan_opt(nla_opt_key, key, key_depth, option_len, extack); @@ -1500,7 +1547,7 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, /* At the same time we need to parse through the mask * in order to verify exact and mask attribute lengths. */ - mask->enc_opts.dst_opt_type = TUNNEL_VXLAN_OPT; + mask->enc_opts.dst_opt_type = IP_TUNNEL_VXLAN_OPT_BIT; option_len = fl_set_vxlan_opt(nla_opt_msk, mask, msk_depth, option_len, extack); @@ -1519,7 +1566,7 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, return -EINVAL; } option_len = 0; - key->enc_opts.dst_opt_type = TUNNEL_ERSPAN_OPT; + key->enc_opts.dst_opt_type = IP_TUNNEL_ERSPAN_OPT_BIT; option_len = fl_set_erspan_opt(nla_opt_key, key, key_depth, option_len, extack); @@ -1530,7 +1577,7 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, /* At the same time we need to parse through the mask * in order to verify exact and mask attribute lengths. */ - mask->enc_opts.dst_opt_type = TUNNEL_ERSPAN_OPT; + mask->enc_opts.dst_opt_type = IP_TUNNEL_ERSPAN_OPT_BIT; option_len = fl_set_erspan_opt(nla_opt_msk, mask, msk_depth, option_len, extack); @@ -1550,7 +1597,7 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, return -EINVAL; } option_len = 0; - key->enc_opts.dst_opt_type = TUNNEL_GTP_OPT; + key->enc_opts.dst_opt_type = IP_TUNNEL_GTP_OPT_BIT; option_len = fl_set_gtp_opt(nla_opt_key, key, key_depth, option_len, extack); @@ -1561,7 +1608,7 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, /* At the same time we need to parse through the mask * in order to verify exact and mask attribute lengths. */ - mask->enc_opts.dst_opt_type = TUNNEL_GTP_OPT; + mask->enc_opts.dst_opt_type = IP_TUNNEL_GTP_OPT_BIT; option_len = fl_set_gtp_opt(nla_opt_msk, mask, msk_depth, option_len, extack); @@ -1575,6 +1622,36 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, return -EINVAL; } break; + case TCA_FLOWER_KEY_ENC_OPTS_PFCP: + if (key->enc_opts.dst_opt_type) { + NL_SET_ERR_MSG_MOD(extack, "Duplicate type for pfcp options"); + return -EINVAL; + } + option_len = 0; + key->enc_opts.dst_opt_type = IP_TUNNEL_PFCP_OPT_BIT; + option_len = fl_set_pfcp_opt(nla_opt_key, key, + key_depth, option_len, + extack); + if (option_len < 0) + return option_len; + + key->enc_opts.len += option_len; + /* At the same time we need to parse through the mask + * in order to verify exact and mask attribute lengths. + */ + mask->enc_opts.dst_opt_type = IP_TUNNEL_PFCP_OPT_BIT; + option_len = fl_set_pfcp_opt(nla_opt_msk, mask, + msk_depth, option_len, + extack); + if (option_len < 0) + return option_len; + + mask->enc_opts.len += option_len; + if (key->enc_opts.len != mask->enc_opts.len) { + NL_SET_ERR_MSG_MOD(extack, "Key and mask miss aligned"); + return -EINVAL; + } + break; default: NL_SET_ERR_MSG(extack, "Unknown tunnel option type"); return -EINVAL; @@ -3117,6 +3194,32 @@ nla_put_failure: return -EMSGSIZE; } +static int fl_dump_key_pfcp_opt(struct sk_buff *skb, + struct flow_dissector_key_enc_opts *enc_opts) +{ + struct pfcp_metadata *md; + struct nlattr *nest; + + nest = nla_nest_start_noflag(skb, TCA_FLOWER_KEY_ENC_OPTS_PFCP); + if (!nest) + goto nla_put_failure; + + md = (struct pfcp_metadata *)&enc_opts->data[0]; + if (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_PFCP_TYPE, md->type)) + goto nla_put_failure; + + if (nla_put_be64(skb, TCA_FLOWER_KEY_ENC_OPT_PFCP_SEID, + md->seid, 0)) + goto nla_put_failure; + + nla_nest_end(skb, nest); + return 0; + +nla_put_failure: + nla_nest_cancel(skb, nest); + return -EMSGSIZE; +} + static int fl_dump_key_ct(struct sk_buff *skb, struct flow_dissector_key_ct *key, struct flow_dissector_key_ct *mask) @@ -3202,26 +3305,31 @@ static int fl_dump_key_options(struct sk_buff *skb, int enc_opt_type, goto nla_put_failure; switch (enc_opts->dst_opt_type) { - case TUNNEL_GENEVE_OPT: + case IP_TUNNEL_GENEVE_OPT_BIT: err = fl_dump_key_geneve_opt(skb, enc_opts); if (err) goto nla_put_failure; break; - case TUNNEL_VXLAN_OPT: + case IP_TUNNEL_VXLAN_OPT_BIT: err = fl_dump_key_vxlan_opt(skb, enc_opts); if (err) goto nla_put_failure; break; - case TUNNEL_ERSPAN_OPT: + case IP_TUNNEL_ERSPAN_OPT_BIT: err = fl_dump_key_erspan_opt(skb, enc_opts); if (err) goto nla_put_failure; break; - case TUNNEL_GTP_OPT: + case IP_TUNNEL_GTP_OPT_BIT: err = fl_dump_key_gtp_opt(skb, enc_opts); if (err) goto nla_put_failure; break; + case IP_TUNNEL_PFCP_OPT_BIT: + err = fl_dump_key_pfcp_opt(skb, enc_opts); + if (err) + goto nla_put_failure; + break; default: goto nla_put_failure; } |