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path: root/drivers/net/ethernet/netronome/nfp/flower
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/action.c199
1 files changed, 122 insertions, 77 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c
index ce54b6c2a9ad..6e2a6caec3fb 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/action.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/action.c
@@ -583,60 +583,23 @@ static u32 nfp_fl_csum_l4_to_flag(u8 ip_proto)
}
}
-static int
-nfp_fl_pedit(const struct flow_action_entry *act,
- struct tc_cls_flower_offload *flow,
- char *nfp_action, int *a_len, u32 *csum_updated)
-{
- struct flow_rule *rule = tc_cls_flower_offload_flow_rule(flow);
+struct nfp_flower_pedit_acts {
struct nfp_fl_set_ipv6_addr set_ip6_dst, set_ip6_src;
struct nfp_fl_set_ipv6_tc_hl_fl set_ip6_tc_hl_fl;
struct nfp_fl_set_ip4_ttl_tos set_ip_ttl_tos;
struct nfp_fl_set_ip4_addrs set_ip_addr;
- enum flow_action_mangle_base htype;
struct nfp_fl_set_tport set_tport;
struct nfp_fl_set_eth set_eth;
+};
+
+static int
+nfp_fl_commit_mangle(struct tc_cls_flower_offload *flow, char *nfp_action,
+ int *a_len, struct nfp_flower_pedit_acts *set_act,
+ u32 *csum_updated)
+{
+ struct flow_rule *rule = tc_cls_flower_offload_flow_rule(flow);
size_t act_size = 0;
u8 ip_proto = 0;
- u32 offset;
- int err;
-
- memset(&set_ip6_tc_hl_fl, 0, sizeof(set_ip6_tc_hl_fl));
- memset(&set_ip_ttl_tos, 0, sizeof(set_ip_ttl_tos));
- memset(&set_ip6_dst, 0, sizeof(set_ip6_dst));
- memset(&set_ip6_src, 0, sizeof(set_ip6_src));
- memset(&set_ip_addr, 0, sizeof(set_ip_addr));
- memset(&set_tport, 0, sizeof(set_tport));
- memset(&set_eth, 0, sizeof(set_eth));
-
- htype = act->mangle.htype;
- offset = act->mangle.offset;
-
- switch (htype) {
- case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH:
- err = nfp_fl_set_eth(act, offset, &set_eth);
- break;
- case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4:
- err = nfp_fl_set_ip4(act, offset, &set_ip_addr,
- &set_ip_ttl_tos);
- break;
- case TCA_PEDIT_KEY_EX_HDR_TYPE_IP6:
- err = nfp_fl_set_ip6(act, offset, &set_ip6_dst,
- &set_ip6_src, &set_ip6_tc_hl_fl);
- break;
- case TCA_PEDIT_KEY_EX_HDR_TYPE_TCP:
- err = nfp_fl_set_tport(act, offset, &set_tport,
- NFP_FL_ACTION_OPCODE_SET_TCP);
- break;
- case TCA_PEDIT_KEY_EX_HDR_TYPE_UDP:
- err = nfp_fl_set_tport(act, offset, &set_tport,
- NFP_FL_ACTION_OPCODE_SET_UDP);
- break;
- default:
- return -EOPNOTSUPP;
- }
- if (err)
- return err;
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
struct flow_match_basic match;
@@ -645,77 +608,82 @@ nfp_fl_pedit(const struct flow_action_entry *act,
ip_proto = match.key->ip_proto;
}
- if (set_eth.head.len_lw) {
- act_size = sizeof(set_eth);
- memcpy(nfp_action, &set_eth, act_size);
+ if (set_act->set_eth.head.len_lw) {
+ act_size = sizeof(set_act->set_eth);
+ memcpy(nfp_action, &set_act->set_eth, act_size);
*a_len += act_size;
}
- if (set_ip_ttl_tos.head.len_lw) {
+
+ if (set_act->set_ip_ttl_tos.head.len_lw) {
nfp_action += act_size;
- act_size = sizeof(set_ip_ttl_tos);
- memcpy(nfp_action, &set_ip_ttl_tos, act_size);
+ act_size = sizeof(set_act->set_ip_ttl_tos);
+ memcpy(nfp_action, &set_act->set_ip_ttl_tos, act_size);
*a_len += act_size;
/* Hardware will automatically fix IPv4 and TCP/UDP checksum. */
*csum_updated |= TCA_CSUM_UPDATE_FLAG_IPV4HDR |
nfp_fl_csum_l4_to_flag(ip_proto);
}
- if (set_ip_addr.head.len_lw) {
+
+ if (set_act->set_ip_addr.head.len_lw) {
nfp_action += act_size;
- act_size = sizeof(set_ip_addr);
- memcpy(nfp_action, &set_ip_addr, act_size);
+ act_size = sizeof(set_act->set_ip_addr);
+ memcpy(nfp_action, &set_act->set_ip_addr, act_size);
*a_len += act_size;
/* Hardware will automatically fix IPv4 and TCP/UDP checksum. */
*csum_updated |= TCA_CSUM_UPDATE_FLAG_IPV4HDR |
nfp_fl_csum_l4_to_flag(ip_proto);
}
- if (set_ip6_tc_hl_fl.head.len_lw) {
+
+ if (set_act->set_ip6_tc_hl_fl.head.len_lw) {
nfp_action += act_size;
- act_size = sizeof(set_ip6_tc_hl_fl);
- memcpy(nfp_action, &set_ip6_tc_hl_fl, act_size);
+ act_size = sizeof(set_act->set_ip6_tc_hl_fl);
+ memcpy(nfp_action, &set_act->set_ip6_tc_hl_fl, act_size);
*a_len += act_size;
/* Hardware will automatically fix TCP/UDP checksum. */
*csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto);
}
- if (set_ip6_dst.head.len_lw && set_ip6_src.head.len_lw) {
+
+ if (set_act->set_ip6_dst.head.len_lw &&
+ set_act->set_ip6_src.head.len_lw) {
/* TC compiles set src and dst IPv6 address as a single action,
* the hardware requires this to be 2 separate actions.
*/
nfp_action += act_size;
- act_size = sizeof(set_ip6_src);
- memcpy(nfp_action, &set_ip6_src, act_size);
+ act_size = sizeof(set_act->set_ip6_src);
+ memcpy(nfp_action, &set_act->set_ip6_src, act_size);
*a_len += act_size;
- act_size = sizeof(set_ip6_dst);
- memcpy(&nfp_action[sizeof(set_ip6_src)], &set_ip6_dst,
- act_size);
+ act_size = sizeof(set_act->set_ip6_dst);
+ memcpy(&nfp_action[sizeof(set_act->set_ip6_src)],
+ &set_act->set_ip6_dst, act_size);
*a_len += act_size;
/* Hardware will automatically fix TCP/UDP checksum. */
*csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto);
- } else if (set_ip6_dst.head.len_lw) {
+ } else if (set_act->set_ip6_dst.head.len_lw) {
nfp_action += act_size;
- act_size = sizeof(set_ip6_dst);
- memcpy(nfp_action, &set_ip6_dst, act_size);
+ act_size = sizeof(set_act->set_ip6_dst);
+ memcpy(nfp_action, &set_act->set_ip6_dst, act_size);
*a_len += act_size;
/* Hardware will automatically fix TCP/UDP checksum. */
*csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto);
- } else if (set_ip6_src.head.len_lw) {
+ } else if (set_act->set_ip6_src.head.len_lw) {
nfp_action += act_size;
- act_size = sizeof(set_ip6_src);
- memcpy(nfp_action, &set_ip6_src, act_size);
+ act_size = sizeof(set_act->set_ip6_src);
+ memcpy(nfp_action, &set_act->set_ip6_src, act_size);
*a_len += act_size;
/* Hardware will automatically fix TCP/UDP checksum. */
*csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto);
}
- if (set_tport.head.len_lw) {
+ if (set_act->set_tport.head.len_lw) {
nfp_action += act_size;
- act_size = sizeof(set_tport);
- memcpy(nfp_action, &set_tport, act_size);
+ act_size = sizeof(set_act->set_tport);
+ memcpy(nfp_action, &set_act->set_tport, act_size);
*a_len += act_size;
/* Hardware will automatically fix TCP/UDP checksum. */
@@ -726,7 +694,40 @@ nfp_fl_pedit(const struct flow_action_entry *act,
}
static int
-nfp_flower_output_action(struct nfp_app *app, const struct flow_action_entry *act,
+nfp_fl_pedit(const struct flow_action_entry *act,
+ struct tc_cls_flower_offload *flow, char *nfp_action, int *a_len,
+ u32 *csum_updated, struct nfp_flower_pedit_acts *set_act)
+{
+ enum flow_action_mangle_base htype;
+ u32 offset;
+
+ htype = act->mangle.htype;
+ offset = act->mangle.offset;
+
+ switch (htype) {
+ case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH:
+ return nfp_fl_set_eth(act, offset, &set_act->set_eth);
+ case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4:
+ return nfp_fl_set_ip4(act, offset, &set_act->set_ip_addr,
+ &set_act->set_ip_ttl_tos);
+ case TCA_PEDIT_KEY_EX_HDR_TYPE_IP6:
+ return nfp_fl_set_ip6(act, offset, &set_act->set_ip6_dst,
+ &set_act->set_ip6_src,
+ &set_act->set_ip6_tc_hl_fl);
+ case TCA_PEDIT_KEY_EX_HDR_TYPE_TCP:
+ return nfp_fl_set_tport(act, offset, &set_act->set_tport,
+ NFP_FL_ACTION_OPCODE_SET_TCP);
+ case TCA_PEDIT_KEY_EX_HDR_TYPE_UDP:
+ return nfp_fl_set_tport(act, offset, &set_act->set_tport,
+ NFP_FL_ACTION_OPCODE_SET_UDP);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int
+nfp_flower_output_action(struct nfp_app *app,
+ const struct flow_action_entry *act,
struct nfp_fl_payload *nfp_fl, int *a_len,
struct net_device *netdev, bool last,
enum nfp_flower_tun_type *tun_type, int *tun_out_cnt,
@@ -776,7 +777,8 @@ nfp_flower_loop_action(struct nfp_app *app, const struct flow_action_entry *act,
struct nfp_fl_payload *nfp_fl, int *a_len,
struct net_device *netdev,
enum nfp_flower_tun_type *tun_type, int *tun_out_cnt,
- int *out_cnt, u32 *csum_updated)
+ int *out_cnt, u32 *csum_updated,
+ struct nfp_flower_pedit_acts *set_act)
{
struct nfp_fl_set_ipv4_udp_tun *set_tun;
struct nfp_fl_pre_tunnel *pre_tun;
@@ -861,7 +863,7 @@ nfp_flower_loop_action(struct nfp_app *app, const struct flow_action_entry *act,
return 0;
case FLOW_ACTION_MANGLE:
if (nfp_fl_pedit(act, flow, &nfp_fl->action_data[*a_len],
- a_len, csum_updated))
+ a_len, csum_updated, set_act))
return -EOPNOTSUPP;
break;
case FLOW_ACTION_CSUM:
@@ -881,12 +883,49 @@ nfp_flower_loop_action(struct nfp_app *app, const struct flow_action_entry *act,
return 0;
}
+static bool nfp_fl_check_mangle_start(struct flow_action *flow_act,
+ int current_act_idx)
+{
+ struct flow_action_entry current_act;
+ struct flow_action_entry prev_act;
+
+ current_act = flow_act->entries[current_act_idx];
+ if (current_act.id != FLOW_ACTION_MANGLE)
+ return false;
+
+ if (current_act_idx == 0)
+ return true;
+
+ prev_act = flow_act->entries[current_act_idx - 1];
+
+ return prev_act.id != FLOW_ACTION_MANGLE;
+}
+
+static bool nfp_fl_check_mangle_end(struct flow_action *flow_act,
+ int current_act_idx)
+{
+ struct flow_action_entry current_act;
+ struct flow_action_entry next_act;
+
+ current_act = flow_act->entries[current_act_idx];
+ if (current_act.id != FLOW_ACTION_MANGLE)
+ return false;
+
+ if (current_act_idx == flow_act->num_entries)
+ return true;
+
+ next_act = flow_act->entries[current_act_idx + 1];
+
+ return next_act.id != FLOW_ACTION_MANGLE;
+}
+
int nfp_flower_compile_action(struct nfp_app *app,
struct tc_cls_flower_offload *flow,
struct net_device *netdev,
struct nfp_fl_payload *nfp_flow)
{
int act_len, act_cnt, err, tun_out_cnt, out_cnt, i;
+ struct nfp_flower_pedit_acts set_act;
enum nfp_flower_tun_type tun_type;
struct flow_action_entry *act;
u32 csum_updated = 0;
@@ -900,12 +939,18 @@ int nfp_flower_compile_action(struct nfp_app *app,
out_cnt = 0;
flow_action_for_each(i, act, &flow->rule->action) {
+ if (nfp_fl_check_mangle_start(&flow->rule->action, i))
+ memset(&set_act, 0, sizeof(set_act));
err = nfp_flower_loop_action(app, act, flow, nfp_flow, &act_len,
netdev, &tun_type, &tun_out_cnt,
- &out_cnt, &csum_updated);
+ &out_cnt, &csum_updated, &set_act);
if (err)
return err;
act_cnt++;
+ if (nfp_fl_check_mangle_end(&flow->rule->action, i))
+ nfp_fl_commit_mangle(flow,
+ &nfp_flow->action_data[act_len],
+ &act_len, &set_act, &csum_updated);
}
/* We optimise when the action list is small, this can unfortunately
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 00:39:35 +0000