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path: root/drivers/net/ethernet/netronome/nfp/flower/match.c
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/match.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/match.c786
1 files changed, 542 insertions, 244 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index c04a0d6b0184..e01430139b6d 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -7,45 +7,71 @@
#include "cmsg.h"
#include "main.h"
-static void
-nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *frame,
- struct tc_cls_flower_offload *flow, u8 key_type,
- bool mask_version)
+void
+nfp_flower_compile_meta(struct nfp_flower_meta_tci *ext,
+ struct nfp_flower_meta_tci *msk, u8 key_type)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_vlan *flow_vlan;
- u16 tmp_tci;
-
- memset(frame, 0, sizeof(struct nfp_flower_meta_tci));
/* Populate the metadata frame. */
- frame->nfp_flow_key_layer = key_type;
- frame->mask_id = ~0;
+ ext->nfp_flow_key_layer = key_type;
+ ext->mask_id = ~0;
+
+ msk->nfp_flow_key_layer = key_type;
+ msk->mask_id = ~0;
+}
+
+void
+nfp_flower_compile_tci(struct nfp_flower_meta_tci *ext,
+ struct nfp_flower_meta_tci *msk,
+ struct flow_rule *rule)
+{
+ u16 msk_tci, key_tci;
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
+ struct flow_match_vlan match;
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_VLAN)) {
- flow_vlan = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_VLAN,
- target);
+ flow_rule_match_vlan(rule, &match);
/* Populate the tci field. */
- if (flow_vlan->vlan_id || flow_vlan->vlan_priority) {
- tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
- flow_vlan->vlan_priority) |
- FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
- flow_vlan->vlan_id) |
- NFP_FLOWER_MASK_VLAN_CFI;
- frame->tci = cpu_to_be16(tmp_tci);
- }
+ key_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
+ key_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
+ match.key->vlan_priority) |
+ FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
+ match.key->vlan_id);
+
+ msk_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
+ msk_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
+ match.mask->vlan_priority) |
+ FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
+ match.mask->vlan_id);
+
+ ext->tci |= cpu_to_be16((key_tci & msk_tci));
+ msk->tci |= cpu_to_be16(msk_tci);
}
}
static void
+nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *ext,
+ struct nfp_flower_meta_tci *msk,
+ struct flow_rule *rule, u8 key_type, bool qinq_sup)
+{
+ memset(ext, 0, sizeof(struct nfp_flower_meta_tci));
+ memset(msk, 0, sizeof(struct nfp_flower_meta_tci));
+
+ nfp_flower_compile_meta(ext, msk, key_type);
+
+ if (!qinq_sup)
+ nfp_flower_compile_tci(ext, msk, rule);
+}
+
+void
nfp_flower_compile_ext_meta(struct nfp_flower_ext_meta *frame, u32 key_ext)
{
frame->nfp_flow_key_layer2 = cpu_to_be32(key_ext);
}
-static int
+int
nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port,
- bool mask_version, enum nfp_flower_tun_type tun_type)
+ bool mask_version, enum nfp_flower_tun_type tun_type,
+ struct netlink_ext_ack *extack)
{
if (mask_version) {
frame->in_port = cpu_to_be32(~0);
@@ -55,257 +81,475 @@ nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port,
if (tun_type) {
frame->in_port = cpu_to_be32(NFP_FL_PORT_TYPE_TUN | tun_type);
} else {
- if (!cmsg_port)
+ if (!cmsg_port) {
+ NL_SET_ERR_MSG_MOD(extack, "unsupported offload: invalid ingress interface for match offload");
return -EOPNOTSUPP;
+ }
frame->in_port = cpu_to_be32(cmsg_port);
}
return 0;
}
-static void
-nfp_flower_compile_mac(struct nfp_flower_mac_mpls *frame,
- struct tc_cls_flower_offload *flow,
- bool mask_version)
+void
+nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext,
+ struct nfp_flower_mac_mpls *msk,
+ struct flow_rule *rule)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_eth_addrs *addr;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+ struct flow_match_eth_addrs match;
+ u8 tmp;
+ int i;
- memset(frame, 0, sizeof(struct nfp_flower_mac_mpls));
-
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
- addr = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_ETH_ADDRS,
- target);
+ flow_rule_match_eth_addrs(rule, &match);
/* Populate mac frame. */
- ether_addr_copy(frame->mac_dst, &addr->dst[0]);
- ether_addr_copy(frame->mac_src, &addr->src[0]);
+ for (i = 0; i < ETH_ALEN; i++) {
+ tmp = match.key->dst[i] & match.mask->dst[i];
+ ext->mac_dst[i] |= tmp & (~msk->mac_dst[i]);
+ msk->mac_dst[i] |= match.mask->dst[i];
+
+ tmp = match.key->src[i] & match.mask->src[i];
+ ext->mac_src[i] |= tmp & (~msk->mac_src[i]);
+ msk->mac_src[i] |= match.mask->src[i];
+ }
}
+}
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_MPLS)) {
- struct flow_dissector_key_mpls *mpls;
- u32 t_mpls;
+int
+nfp_flower_compile_mpls(struct nfp_flower_mac_mpls *ext,
+ struct nfp_flower_mac_mpls *msk,
+ struct flow_rule *rule,
+ struct netlink_ext_ack *extack)
+{
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS)) {
+ struct flow_match_mpls match;
+ u32 key_mpls, msk_mpls;
- mpls = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_MPLS,
- target);
+ flow_rule_match_mpls(rule, &match);
- t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, mpls->mpls_label) |
- FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, mpls->mpls_tc) |
- FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, mpls->mpls_bos) |
- NFP_FLOWER_MASK_MPLS_Q;
+ /* Only support matching the first LSE */
+ if (match.mask->used_lses != 1) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "unsupported offload: invalid LSE depth for MPLS match offload");
+ return -EOPNOTSUPP;
+ }
- frame->mpls_lse = cpu_to_be32(t_mpls);
- } else if (dissector_uses_key(flow->dissector,
- FLOW_DISSECTOR_KEY_BASIC)) {
+ key_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB,
+ match.key->ls[0].mpls_label) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC,
+ match.key->ls[0].mpls_tc) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS,
+ match.key->ls[0].mpls_bos) |
+ NFP_FLOWER_MASK_MPLS_Q;
+
+ msk_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB,
+ match.mask->ls[0].mpls_label) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC,
+ match.mask->ls[0].mpls_tc) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS,
+ match.mask->ls[0].mpls_bos) |
+ NFP_FLOWER_MASK_MPLS_Q;
+
+ ext->mpls_lse |= cpu_to_be32((key_mpls & msk_mpls));
+ msk->mpls_lse |= cpu_to_be32(msk_mpls);
+ } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
/* Check for mpls ether type and set NFP_FLOWER_MASK_MPLS_Q
* bit, which indicates an mpls ether type but without any
* mpls fields.
*/
- struct flow_dissector_key_basic *key_basic;
-
- key_basic = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_BASIC,
- flow->key);
- if (key_basic->n_proto == cpu_to_be16(ETH_P_MPLS_UC) ||
- key_basic->n_proto == cpu_to_be16(ETH_P_MPLS_MC))
- frame->mpls_lse = cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
+ struct flow_match_basic match;
+
+ flow_rule_match_basic(rule, &match);
+ if (match.key->n_proto == cpu_to_be16(ETH_P_MPLS_UC) ||
+ match.key->n_proto == cpu_to_be16(ETH_P_MPLS_MC)) {
+ ext->mpls_lse |= cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
+ msk->mpls_lse |= cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
+ }
}
+
+ return 0;
}
-static void
-nfp_flower_compile_tport(struct nfp_flower_tp_ports *frame,
- struct tc_cls_flower_offload *flow,
- bool mask_version)
+static int
+nfp_flower_compile_mac_mpls(struct nfp_flower_mac_mpls *ext,
+ struct nfp_flower_mac_mpls *msk,
+ struct flow_rule *rule,
+ struct netlink_ext_ack *extack)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_ports *tp;
+ memset(ext, 0, sizeof(struct nfp_flower_mac_mpls));
+ memset(msk, 0, sizeof(struct nfp_flower_mac_mpls));
+
+ nfp_flower_compile_mac(ext, msk, rule);
+
+ return nfp_flower_compile_mpls(ext, msk, rule, extack);
+}
+
+void
+nfp_flower_compile_tport(struct nfp_flower_tp_ports *ext,
+ struct nfp_flower_tp_ports *msk,
+ struct flow_rule *rule)
+{
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) {
+ struct flow_match_ports match;
+ __be16 tmp;
+
+ flow_rule_match_ports(rule, &match);
- memset(frame, 0, sizeof(struct nfp_flower_tp_ports));
+ tmp = match.key->src & match.mask->src;
+ ext->port_src |= tmp & (~msk->port_src);
+ msk->port_src |= match.mask->src;
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_PORTS)) {
- tp = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_PORTS,
- target);
- frame->port_src = tp->src;
- frame->port_dst = tp->dst;
+ tmp = match.key->dst & match.mask->dst;
+ ext->port_dst |= tmp & (~msk->port_dst);
+ msk->port_dst |= match.mask->dst;
}
}
static void
-nfp_flower_compile_ip_ext(struct nfp_flower_ip_ext *frame,
- struct tc_cls_flower_offload *flow,
- bool mask_version)
+nfp_flower_compile_ip_ext(struct nfp_flower_ip_ext *ext,
+ struct nfp_flower_ip_ext *msk, struct flow_rule *rule)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
+ struct flow_match_basic match;
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
- struct flow_dissector_key_basic *basic;
-
- basic = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_BASIC,
- target);
- frame->proto = basic->ip_proto;
+ flow_rule_match_basic(rule, &match);
+ ext->proto |= match.key->ip_proto & match.mask->ip_proto;
+ msk->proto |= match.mask->ip_proto;
}
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_IP)) {
- struct flow_dissector_key_ip *flow_ip;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
+ struct flow_match_ip match;
+ u8 tmp;
+
+ flow_rule_match_ip(rule, &match);
+
+ tmp = match.key->tos & match.mask->tos;
+ ext->tos |= tmp & (~msk->tos);
+ msk->tos |= match.mask->tos;
- flow_ip = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_IP,
- target);
- frame->tos = flow_ip->tos;
- frame->ttl = flow_ip->ttl;
+ tmp = match.key->ttl & match.mask->ttl;
+ ext->ttl |= tmp & (~msk->ttl);
+ msk->ttl |= match.mask->ttl;
}
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_TCP)) {
- struct flow_dissector_key_tcp *tcp;
- u32 tcp_flags;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) {
+ u16 tcp_flags, tcp_flags_mask;
+ struct flow_match_tcp match;
- tcp = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_TCP, target);
- tcp_flags = be16_to_cpu(tcp->flags);
+ flow_rule_match_tcp(rule, &match);
+ tcp_flags = be16_to_cpu(match.key->flags);
+ tcp_flags_mask = be16_to_cpu(match.mask->flags);
if (tcp_flags & TCPHDR_FIN)
- frame->flags |= NFP_FL_TCP_FLAG_FIN;
+ ext->flags |= NFP_FL_TCP_FLAG_FIN;
+ if (tcp_flags_mask & TCPHDR_FIN)
+ msk->flags |= NFP_FL_TCP_FLAG_FIN;
+
if (tcp_flags & TCPHDR_SYN)
- frame->flags |= NFP_FL_TCP_FLAG_SYN;
+ ext->flags |= NFP_FL_TCP_FLAG_SYN;
+ if (tcp_flags_mask & TCPHDR_SYN)
+ msk->flags |= NFP_FL_TCP_FLAG_SYN;
+
if (tcp_flags & TCPHDR_RST)
- frame->flags |= NFP_FL_TCP_FLAG_RST;
+ ext->flags |= NFP_FL_TCP_FLAG_RST;
+ if (tcp_flags_mask & TCPHDR_RST)
+ msk->flags |= NFP_FL_TCP_FLAG_RST;
+
if (tcp_flags & TCPHDR_PSH)
- frame->flags |= NFP_FL_TCP_FLAG_PSH;
+ ext->flags |= NFP_FL_TCP_FLAG_PSH;
+ if (tcp_flags_mask & TCPHDR_PSH)
+ msk->flags |= NFP_FL_TCP_FLAG_PSH;
+
if (tcp_flags & TCPHDR_URG)
- frame->flags |= NFP_FL_TCP_FLAG_URG;
+ ext->flags |= NFP_FL_TCP_FLAG_URG;
+ if (tcp_flags_mask & TCPHDR_URG)
+ msk->flags |= NFP_FL_TCP_FLAG_URG;
}
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_CONTROL)) {
- struct flow_dissector_key_control *key;
-
- key = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_CONTROL,
- target);
- if (key->flags & FLOW_DIS_IS_FRAGMENT)
- frame->flags |= NFP_FL_IP_FRAGMENTED;
- if (key->flags & FLOW_DIS_FIRST_FRAG)
- frame->flags |= NFP_FL_IP_FRAG_FIRST;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
+ struct flow_match_control match;
+
+ flow_rule_match_control(rule, &match);
+ if (match.key->flags & FLOW_DIS_IS_FRAGMENT)
+ ext->flags |= NFP_FL_IP_FRAGMENTED;
+ if (match.mask->flags & FLOW_DIS_IS_FRAGMENT)
+ msk->flags |= NFP_FL_IP_FRAGMENTED;
+ if (match.key->flags & FLOW_DIS_FIRST_FRAG)
+ ext->flags |= NFP_FL_IP_FRAG_FIRST;
+ if (match.mask->flags & FLOW_DIS_FIRST_FRAG)
+ msk->flags |= NFP_FL_IP_FRAG_FIRST;
}
}
static void
-nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *frame,
- struct tc_cls_flower_offload *flow,
- bool mask_version)
+nfp_flower_fill_vlan(struct flow_match_vlan *match,
+ struct nfp_flower_vlan *ext,
+ struct nfp_flower_vlan *msk, bool outer_vlan)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_ipv4_addrs *addr;
-
- memset(frame, 0, sizeof(struct nfp_flower_ipv4));
-
- if (dissector_uses_key(flow->dissector,
- FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
- addr = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_IPV4_ADDRS,
- target);
- frame->ipv4_src = addr->src;
- frame->ipv4_dst = addr->dst;
+ struct flow_dissector_key_vlan *mask = match->mask;
+ struct flow_dissector_key_vlan *key = match->key;
+ u16 msk_tci, key_tci;
+
+ key_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
+ key_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
+ key->vlan_priority) |
+ FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
+ key->vlan_id);
+ msk_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
+ msk_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
+ mask->vlan_priority) |
+ FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
+ mask->vlan_id);
+
+ if (outer_vlan) {
+ ext->outer_tci |= cpu_to_be16((key_tci & msk_tci));
+ ext->outer_tpid |= key->vlan_tpid & mask->vlan_tpid;
+ msk->outer_tci |= cpu_to_be16(msk_tci);
+ msk->outer_tpid |= mask->vlan_tpid;
+ } else {
+ ext->inner_tci |= cpu_to_be16((key_tci & msk_tci));
+ ext->inner_tpid |= key->vlan_tpid & mask->vlan_tpid;
+ msk->inner_tci |= cpu_to_be16(msk_tci);
+ msk->inner_tpid |= mask->vlan_tpid;
}
+}
- nfp_flower_compile_ip_ext(&frame->ip_ext, flow, mask_version);
+void
+nfp_flower_compile_vlan(struct nfp_flower_vlan *ext,
+ struct nfp_flower_vlan *msk,
+ struct flow_rule *rule)
+{
+ struct flow_match_vlan match;
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
+ flow_rule_match_vlan(rule, &match);
+ nfp_flower_fill_vlan(&match, ext, msk, true);
+ }
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) {
+ flow_rule_match_cvlan(rule, &match);
+ nfp_flower_fill_vlan(&match, ext, msk, false);
+ }
}
-static void
-nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *frame,
- struct tc_cls_flower_offload *flow,
- bool mask_version)
+void
+nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *ext,
+ struct nfp_flower_ipv4 *msk, struct flow_rule *rule)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_ipv6_addrs *addr;
-
- memset(frame, 0, sizeof(struct nfp_flower_ipv6));
-
- if (dissector_uses_key(flow->dissector,
- FLOW_DISSECTOR_KEY_IPV6_ADDRS)) {
- addr = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_IPV6_ADDRS,
- target);
- frame->ipv6_src = addr->src;
- frame->ipv6_dst = addr->dst;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
+ struct flow_match_ipv4_addrs match;
+ __be32 tmp;
+
+ flow_rule_match_ipv4_addrs(rule, &match);
+
+ tmp = match.key->src & match.mask->src;
+ ext->ipv4_src |= tmp & (~msk->ipv4_src);
+ msk->ipv4_src |= match.mask->src;
+
+ tmp = match.key->dst & match.mask->dst;
+ ext->ipv4_dst |= tmp & (~msk->ipv4_dst);
+ msk->ipv4_dst |= match.mask->dst;
}
- nfp_flower_compile_ip_ext(&frame->ip_ext, flow, mask_version);
+ nfp_flower_compile_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
}
-static int
-nfp_flower_compile_geneve_opt(void *key_buf, struct tc_cls_flower_offload *flow,
- bool mask_version)
+void
+nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *ext,
+ struct nfp_flower_ipv6 *msk, struct flow_rule *rule)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_enc_opts *opts;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS)) {
+ struct flow_match_ipv6_addrs match;
+ u8 tmp;
+ int i;
+
+ flow_rule_match_ipv6_addrs(rule, &match);
+ for (i = 0; i < sizeof(ext->ipv6_src); i++) {
+ tmp = match.key->src.s6_addr[i] &
+ match.mask->src.s6_addr[i];
+ ext->ipv6_src.s6_addr[i] |= tmp &
+ (~msk->ipv6_src.s6_addr[i]);
+ msk->ipv6_src.s6_addr[i] |= match.mask->src.s6_addr[i];
+
+ tmp = match.key->dst.s6_addr[i] &
+ match.mask->dst.s6_addr[i];
+ ext->ipv6_dst.s6_addr[i] |= tmp &
+ (~msk->ipv6_dst.s6_addr[i]);
+ msk->ipv6_dst.s6_addr[i] |= match.mask->dst.s6_addr[i];
+ }
+ }
- opts = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_ENC_OPTS,
- target);
- memcpy(key_buf, opts->data, opts->len);
+ nfp_flower_compile_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
+}
- return 0;
+void
+nfp_flower_compile_geneve_opt(u8 *ext, u8 *msk, struct flow_rule *rule)
+{
+ struct flow_match_enc_opts match;
+ int i;
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_OPTS)) {
+ flow_rule_match_enc_opts(rule, &match);
+
+ for (i = 0; i < match.mask->len; i++) {
+ ext[i] |= match.key->data[i] & match.mask->data[i];
+ msk[i] |= match.mask->data[i];
+ }
+ }
+}
+
+static void
+nfp_flower_compile_tun_ipv4_addrs(struct nfp_flower_tun_ipv4 *ext,
+ struct nfp_flower_tun_ipv4 *msk,
+ struct flow_rule *rule)
+{
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) {
+ struct flow_match_ipv4_addrs match;
+
+ flow_rule_match_enc_ipv4_addrs(rule, &match);
+ ext->src |= match.key->src & match.mask->src;
+ ext->dst |= match.key->dst & match.mask->dst;
+ msk->src |= match.mask->src;
+ msk->dst |= match.mask->dst;
+ }
}
static void
-nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *frame,
- struct tc_cls_flower_offload *flow,
- bool mask_version)
+nfp_flower_compile_tun_ipv6_addrs(struct nfp_flower_tun_ipv6 *ext,
+ struct nfp_flower_tun_ipv6 *msk,
+ struct flow_rule *rule)
{
- struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_ipv4_addrs *tun_ips;
- struct flow_dissector_key_keyid *vni;
- struct flow_dissector_key_ip *ip;
-
- memset(frame, 0, sizeof(struct nfp_flower_ipv4_udp_tun));
-
- if (dissector_uses_key(flow->dissector,
- FLOW_DISSECTOR_KEY_ENC_KEYID)) {
- u32 temp_vni;
-
- vni = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_ENC_KEYID,
- target);
- temp_vni = be32_to_cpu(vni->keyid) << NFP_FL_TUN_VNI_OFFSET;
- frame->tun_id = cpu_to_be32(temp_vni);
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) {
+ struct flow_match_ipv6_addrs match;
+ int i;
+
+ flow_rule_match_enc_ipv6_addrs(rule, &match);
+ for (i = 0; i < sizeof(ext->src); i++) {
+ ext->src.s6_addr[i] |= match.key->src.s6_addr[i] &
+ match.mask->src.s6_addr[i];
+ ext->dst.s6_addr[i] |= match.key->dst.s6_addr[i] &
+ match.mask->dst.s6_addr[i];
+ msk->src.s6_addr[i] |= match.mask->src.s6_addr[i];
+ msk->dst.s6_addr[i] |= match.mask->dst.s6_addr[i];
+ }
}
+}
- if (dissector_uses_key(flow->dissector,
- FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) {
- tun_ips =
- skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS,
- target);
- frame->ip_src = tun_ips->src;
- frame->ip_dst = tun_ips->dst;
+static void
+nfp_flower_compile_tun_ip_ext(struct nfp_flower_tun_ip_ext *ext,
+ struct nfp_flower_tun_ip_ext *msk,
+ struct flow_rule *rule)
+{
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) {
+ struct flow_match_ip match;
+
+ flow_rule_match_enc_ip(rule, &match);
+ ext->tos |= match.key->tos & match.mask->tos;
+ ext->ttl |= match.key->ttl & match.mask->ttl;
+ msk->tos |= match.mask->tos;
+ msk->ttl |= match.mask->ttl;
}
+}
+
+static void
+nfp_flower_compile_tun_udp_key(__be32 *key, __be32 *key_msk,
+ struct flow_rule *rule)
+{
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID)) {
+ struct flow_match_enc_keyid match;
+ u32 vni;
+
+ flow_rule_match_enc_keyid(rule, &match);
+ vni = be32_to_cpu((match.key->keyid & match.mask->keyid)) <<
+ NFP_FL_TUN_VNI_OFFSET;
+ *key |= cpu_to_be32(vni);
+ vni = be32_to_cpu(match.mask->keyid) << NFP_FL_TUN_VNI_OFFSET;
+ *key_msk |= cpu_to_be32(vni);
+ }
+}
+
+static void
+nfp_flower_compile_tun_gre_key(__be32 *key, __be32 *key_msk, __be16 *flags,
+ __be16 *flags_msk, struct flow_rule *rule)
+{
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID)) {
+ struct flow_match_enc_keyid match;
+
+ flow_rule_match_enc_keyid(rule, &match);
+ *key |= match.key->keyid & match.mask->keyid;
+ *key_msk |= match.mask->keyid;
- if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_ENC_IP)) {
- ip = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_ENC_IP,
- target);
- frame->tos = ip->tos;
- frame->ttl = ip->ttl;
+ *flags = cpu_to_be16(NFP_FL_GRE_FLAG_KEY);
+ *flags_msk = cpu_to_be16(NFP_FL_GRE_FLAG_KEY);
}
}
+void
+nfp_flower_compile_ipv4_gre_tun(struct nfp_flower_ipv4_gre_tun *ext,
+ struct nfp_flower_ipv4_gre_tun *msk,
+ struct flow_rule *rule)
+{
+ /* NVGRE is the only supported GRE tunnel type */
+ ext->ethertype = cpu_to_be16(ETH_P_TEB);
+ msk->ethertype = cpu_to_be16(~0);
+
+ nfp_flower_compile_tun_ipv4_addrs(&ext->ipv4, &msk->ipv4, rule);
+ nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
+ nfp_flower_compile_tun_gre_key(&ext->tun_key, &msk->tun_key,
+ &ext->tun_flags, &msk->tun_flags, rule);
+}
+
+void
+nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *ext,
+ struct nfp_flower_ipv4_udp_tun *msk,
+ struct flow_rule *rule)
+{
+ nfp_flower_compile_tun_ipv4_addrs(&ext->ipv4, &msk->ipv4, rule);
+ nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
+ nfp_flower_compile_tun_udp_key(&ext->tun_id, &msk->tun_id, rule);
+}
+
+void
+nfp_flower_compile_ipv6_udp_tun(struct nfp_flower_ipv6_udp_tun *ext,
+ struct nfp_flower_ipv6_udp_tun *msk,
+ struct flow_rule *rule)
+{
+ nfp_flower_compile_tun_ipv6_addrs(&ext->ipv6, &msk->ipv6, rule);
+ nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
+ nfp_flower_compile_tun_udp_key(&ext->tun_id, &msk->tun_id, rule);
+}
+
+void
+nfp_flower_compile_ipv6_gre_tun(struct nfp_flower_ipv6_gre_tun *ext,
+ struct nfp_flower_ipv6_gre_tun *msk,
+ struct flow_rule *rule)
+{
+ /* NVGRE is the only supported GRE tunnel type */
+ ext->ethertype = cpu_to_be16(ETH_P_TEB);
+ msk->ethertype = cpu_to_be16(~0);
+
+ nfp_flower_compile_tun_ipv6_addrs(&ext->ipv6, &msk->ipv6, rule);
+ nfp_flower_compile_tun_ip_ext(&ext->ip_ext, &msk->ip_ext, rule);
+ nfp_flower_compile_tun_gre_key(&ext->tun_key, &msk->tun_key,
+ &ext->tun_flags, &msk->tun_flags, rule);
+}
+
int nfp_flower_compile_flow_match(struct nfp_app *app,
- struct tc_cls_flower_offload *flow,
+ struct flow_rule *rule,
struct nfp_fl_key_ls *key_ls,
struct net_device *netdev,
struct nfp_fl_payload *nfp_flow,
- enum nfp_flower_tun_type tun_type)
+ enum nfp_flower_tun_type tun_type,
+ struct netlink_ext_ack *extack)
{
- u32 cmsg_port = 0;
+ struct nfp_flower_priv *priv = app->priv;
+ bool qinq_sup;
+ u32 port_id;
+ int ext_len;
int err;
u8 *ext;
u8 *msk;
- if (nfp_netdev_is_nfp_repr(netdev))
- cmsg_port = nfp_repr_get_port_id(netdev);
+ port_id = nfp_flower_get_port_id_from_netdev(app, netdev);
memset(nfp_flow->unmasked_data, 0, key_ls->key_size);
memset(nfp_flow->mask_data, 0, key_ls->key_size);
@@ -313,12 +557,11 @@ int nfp_flower_compile_flow_match(struct nfp_app *app,
ext = nfp_flow->unmasked_data;
msk = nfp_flow->mask_data;
- /* Populate Exact Metadata. */
+ qinq_sup = !!(priv->flower_ext_feats & NFP_FL_FEATS_VLAN_QINQ);
+
nfp_flower_compile_meta_tci((struct nfp_flower_meta_tci *)ext,
- flow, key_ls->key_layer, false);
- /* Populate Mask Metadata. */
- nfp_flower_compile_meta_tci((struct nfp_flower_meta_tci *)msk,
- flow, key_ls->key_layer, true);
+ (struct nfp_flower_meta_tci *)msk,
+ rule, key_ls->key_layer, qinq_sup);
ext += sizeof(struct nfp_flower_meta_tci);
msk += sizeof(struct nfp_flower_meta_tci);
@@ -334,13 +577,13 @@ int nfp_flower_compile_flow_match(struct nfp_app *app,
/* Populate Exact Port data. */
err = nfp_flower_compile_port((struct nfp_flower_in_port *)ext,
- cmsg_port, false, tun_type);
+ port_id, false, tun_type, extack);
if (err)
return err;
/* Populate Mask Port Data. */
err = nfp_flower_compile_port((struct nfp_flower_in_port *)msk,
- cmsg_port, true, tun_type);
+ port_id, true, tun_type, extack);
if (err)
return err;
@@ -348,77 +591,132 @@ int nfp_flower_compile_flow_match(struct nfp_app *app,
msk += sizeof(struct nfp_flower_in_port);
if (NFP_FLOWER_LAYER_MAC & key_ls->key_layer) {
- /* Populate Exact MAC Data. */
- nfp_flower_compile_mac((struct nfp_flower_mac_mpls *)ext,
- flow, false);
- /* Populate Mask MAC Data. */
- nfp_flower_compile_mac((struct nfp_flower_mac_mpls *)msk,
- flow, true);
+ err = nfp_flower_compile_mac_mpls((struct nfp_flower_mac_mpls *)ext,
+ (struct nfp_flower_mac_mpls *)msk,
+ rule, extack);
+ if (err)
+ return err;
+
ext += sizeof(struct nfp_flower_mac_mpls);
msk += sizeof(struct nfp_flower_mac_mpls);
}
if (NFP_FLOWER_LAYER_TP & key_ls->key_layer) {
- /* Populate Exact TP Data. */
nfp_flower_compile_tport((struct nfp_flower_tp_ports *)ext,
- flow, false);
- /* Populate Mask TP Data. */
- nfp_flower_compile_tport((struct nfp_flower_tp_ports *)msk,
- flow, true);
+ (struct nfp_flower_tp_ports *)msk,
+ rule);
ext += sizeof(struct nfp_flower_tp_ports);
msk += sizeof(struct nfp_flower_tp_ports);
}
if (NFP_FLOWER_LAYER_IPV4 & key_ls->key_layer) {
- /* Populate Exact IPv4 Data. */
nfp_flower_compile_ipv4((struct nfp_flower_ipv4 *)ext,
- flow, false);
- /* Populate Mask IPv4 Data. */
- nfp_flower_compile_ipv4((struct nfp_flower_ipv4 *)msk,
- flow, true);
+ (struct nfp_flower_ipv4 *)msk,
+ rule);
ext += sizeof(struct nfp_flower_ipv4);
msk += sizeof(struct nfp_flower_ipv4);
}
if (NFP_FLOWER_LAYER_IPV6 & key_ls->key_layer) {
- /* Populate Exact IPv4 Data. */
nfp_flower_compile_ipv6((struct nfp_flower_ipv6 *)ext,
- flow, false);
- /* Populate Mask IPv4 Data. */
- nfp_flower_compile_ipv6((struct nfp_flower_ipv6 *)msk,
- flow, true);
+ (struct nfp_flower_ipv6 *)msk,
+ rule);
ext += sizeof(struct nfp_flower_ipv6);
msk += sizeof(struct nfp_flower_ipv6);
}
+ if (NFP_FLOWER_LAYER2_QINQ & key_ls->key_layer_two) {
+ nfp_flower_compile_vlan((struct nfp_flower_vlan *)ext,
+ (struct nfp_flower_vlan *)msk,
+ rule);
+ ext += sizeof(struct nfp_flower_vlan);
+ msk += sizeof(struct nfp_flower_vlan);
+ }
+
+ if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_GRE) {
+ if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_TUN_IPV6) {
+ struct nfp_flower_ipv6_gre_tun *gre_match;
+ struct nfp_ipv6_addr_entry *entry;
+ struct in6_addr *dst;
+
+ nfp_flower_compile_ipv6_gre_tun((void *)ext,
+ (void *)msk, rule);
+ gre_match = (struct nfp_flower_ipv6_gre_tun *)ext;
+ dst = &gre_match->ipv6.dst;
+ ext += sizeof(struct nfp_flower_ipv6_gre_tun);
+ msk += sizeof(struct nfp_flower_ipv6_gre_tun);
+
+ entry = nfp_tunnel_add_ipv6_off(app, dst);
+ if (!entry)
+ return -EOPNOTSUPP;
+
+ nfp_flow->nfp_tun_ipv6 = entry;
+ } else {
+ __be32 dst;
+
+ nfp_flower_compile_ipv4_gre_tun((void *)ext,
+ (void *)msk, rule);
+ dst = ((struct nfp_flower_ipv4_gre_tun *)ext)->ipv4.dst;
+ ext += sizeof(struct nfp_flower_ipv4_gre_tun);
+ msk += sizeof(struct nfp_flower_ipv4_gre_tun);
+
+ /* Store the tunnel destination in the rule data.
+ * This must be present and be an exact match.
+ */
+ nfp_flow->nfp_tun_ipv4_addr = dst;
+ nfp_tunnel_add_ipv4_off(app, dst);
+ }
+ }
+
if (key_ls->key_layer & NFP_FLOWER_LAYER_VXLAN ||
key_ls->key_layer_two & NFP_FLOWER_LAYER2_GENEVE) {
- __be32 tun_dst;
-
- /* Populate Exact VXLAN Data. */
- nfp_flower_compile_ipv4_udp_tun((void *)ext, flow, false);
- /* Populate Mask VXLAN Data. */
- nfp_flower_compile_ipv4_udp_tun((void *)msk, flow, true);
- tun_dst = ((struct nfp_flower_ipv4_udp_tun *)ext)->ip_dst;
- ext += sizeof(struct nfp_flower_ipv4_udp_tun);
- msk += sizeof(struct nfp_flower_ipv4_udp_tun);
-
- /* Store the tunnel destination in the rule data.
- * This must be present and be an exact match.
- */
- nfp_flow->nfp_tun_ipv4_addr = tun_dst;
- nfp_tunnel_add_ipv4_off(app, tun_dst);
+ if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_TUN_IPV6) {
+ struct nfp_flower_ipv6_udp_tun *udp_match;
+ struct nfp_ipv6_addr_entry *entry;
+ struct in6_addr *dst;
+
+ nfp_flower_compile_ipv6_udp_tun((void *)ext,
+ (void *)msk, rule);
+ udp_match = (struct nfp_flower_ipv6_udp_tun *)ext;
+ dst = &udp_match->ipv6.dst;
+ ext += sizeof(struct nfp_flower_ipv6_udp_tun);
+ msk += sizeof(struct nfp_flower_ipv6_udp_tun);
+
+ entry = nfp_tunnel_add_ipv6_off(app, dst);
+ if (!entry)
+ return -EOPNOTSUPP;
+
+ nfp_flow->nfp_tun_ipv6 = entry;
+ } else {
+ __be32 dst;
+
+ nfp_flower_compile_ipv4_udp_tun((void *)ext,
+ (void *)msk, rule);
+ dst = ((struct nfp_flower_ipv4_udp_tun *)ext)->ipv4.dst;
+ ext += sizeof(struct nfp_flower_ipv4_udp_tun);
+ msk += sizeof(struct nfp_flower_ipv4_udp_tun);
+
+ /* Store the tunnel destination in the rule data.
+ * This must be present and be an exact match.
+ */
+ nfp_flow->nfp_tun_ipv4_addr = dst;
+ nfp_tunnel_add_ipv4_off(app, dst);
+ }
if (key_ls->key_layer_two & NFP_FLOWER_LAYER2_GENEVE_OP) {
- err = nfp_flower_compile_geneve_opt(ext, flow, false);
- if (err)
- return err;
-
- err = nfp_flower_compile_geneve_opt(msk, flow, true);
- if (err)
- return err;
+ nfp_flower_compile_geneve_opt(ext, msk, rule);
}
}
+ /* Check that the flow key does not exceed the maximum limit.
+ * All structures in the key is multiples of 4 bytes, so use u32.
+ */
+ ext_len = (u32 *)ext - (u32 *)nfp_flow->unmasked_data;
+ if (ext_len > NFP_FLOWER_KEY_MAX_LW) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "unsupported offload: flow key too long");
+ return -EOPNOTSUPP;
+ }
+
return 0;
}