github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-25 23:52:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

nfp: flower: refactor match functions to take flow_rule as input

Browse Source 
This is a small cleanup to pass in flow->rule to some of the compile
functions instead of extracting it every time. This is will also be
useful for conntrack patches later.

Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Louis Peens 2021-07-22 09:58:01 +02:00 committed by David S. Miller
parent 16416d37f0
commit 4b15fb1876
4 changed files with 17 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/netronome/nfp/flower/main.h
View File

@ -468,7 +468,7 @@ nfp_flower_compile_ipv6_gre_tun(struct nfp_flower_ipv6_gre_tun *ext,
struct nfp_flower_ipv6_gre_tun *msk,
struct flow_rule *rule);
int nfp_flower_compile_flow_match(struct nfp_app *app,
struct flow_cls_offload *flow,
struct flow_rule *rule,
struct nfp_fl_key_ls *key_ls,
struct net_device *netdev,
struct nfp_fl_payload *nfp_flow,
@ -479,8 +479,7 @@ int nfp_flower_compile_action(struct nfp_app *app,
struct net_device *netdev,
struct nfp_fl_payload *nfp_flow,
struct netlink_ext_ack *extack);
int nfp_compile_flow_metadata(struct nfp_app *app,
struct flow_cls_offload *flow,
int nfp_compile_flow_metadata(struct nfp_app *app, u32 cookie,
struct nfp_fl_payload *nfp_flow,
struct net_device *netdev,
struct netlink_ext_ack *extack);

3
drivers/net/ethernet/netronome/nfp/flower/match.c
View File

@ -511,14 +511,13 @@ nfp_flower_compile_ipv6_gre_tun(struct nfp_flower_ipv6_gre_tun *ext,
}
int nfp_flower_compile_flow_match(struct nfp_app *app,
struct flow_cls_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,
struct netlink_ext_ack *extack)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(flow);
struct nfp_flower_priv *priv = app->priv;
bool qinq_sup;
u32 port_id;

7
drivers/net/ethernet/netronome/nfp/flower/metadata.c
View File

@ -290,8 +290,7 @@ nfp_check_mask_remove(struct nfp_app *app, char *mask_data, u32 mask_len,
return true;
}
int nfp_compile_flow_metadata(struct nfp_app *app,
struct flow_cls_offload *flow,
int nfp_compile_flow_metadata(struct nfp_app *app, u32 cookie,
struct nfp_fl_payload *nfp_flow,
struct net_device *netdev,
struct netlink_ext_ack *extack)
@ -310,7 +309,7 @@ int nfp_compile_flow_metadata(struct nfp_app *app,
}
nfp_flow->meta.host_ctx_id = cpu_to_be32(stats_cxt);
nfp_flow->meta.host_cookie = cpu_to_be64(flow->cookie);
nfp_flow->meta.host_cookie = cpu_to_be64(cookie);
nfp_flow->ingress_dev = netdev;
ctx_entry = kzalloc(sizeof(*ctx_entry), GFP_KERNEL);
@ -357,7 +356,7 @@ int nfp_compile_flow_metadata(struct nfp_app *app,
priv->stats[stats_cxt].bytes = 0;
priv->stats[stats_cxt].used = jiffies;
check_entry = nfp_flower_search_fl_table(app, flow->cookie, netdev);
check_entry = nfp_flower_search_fl_table(app, cookie, netdev);
if (check_entry) {
NL_SET_ERR_MSG_MOD(extack, "invalid entry: cannot offload duplicate flow entry");
if (nfp_release_stats_entry(app, stats_cxt)) {

30
drivers/net/ethernet/netronome/nfp/flower/offload.c
View File

@ -134,20 +134,16 @@ nfp_flower_xmit_flow(struct nfp_app *app, struct nfp_fl_payload *nfp_flow,
return 0;
}
static bool nfp_flower_check_higher_than_mac(struct flow_cls_offload *f)
static bool nfp_flower_check_higher_than_mac(struct flow_rule *rule)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(f);
return flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS) ||
flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS) ||
flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS) ||
flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP);
}
static bool nfp_flower_check_higher_than_l3(struct flow_cls_offload *f)
static bool nfp_flower_check_higher_than_l3(struct flow_rule *rule)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(f);
return flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS) ||
flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP);
}
@ -240,11 +236,10 @@ static int
nfp_flower_calculate_key_layers(struct nfp_app *app,
struct net_device *netdev,
struct nfp_fl_key_ls *ret_key_ls,
struct flow_cls_offload *flow,
struct flow_rule *rule,
enum nfp_flower_tun_type *tun_type,
struct netlink_ext_ack *extack)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(flow);
struct flow_dissector *dissector = rule->match.dissector;
struct flow_match_basic basic = { NULL, NULL};
struct nfp_flower_priv *priv = app->priv;
@ -452,7 +447,7 @@ nfp_flower_calculate_key_layers(struct nfp_app *app,
NL_SET_ERR_MSG_MOD(extack, "unsupported offload: match on given EtherType is not supported");
return -EOPNOTSUPP;
}
} else if (nfp_flower_check_higher_than_mac(flow)) {
} else if (nfp_flower_check_higher_than_mac(rule)) {
NL_SET_ERR_MSG_MOD(extack, "unsupported offload: cannot match above L2 without specified EtherType");
return -EOPNOTSUPP;
}
@ -471,7 +466,7 @@ nfp_flower_calculate_key_layers(struct nfp_app *app,
}
if (!(key_layer & NFP_FLOWER_LAYER_TP) &&
nfp_flower_check_higher_than_l3(flow)) {
nfp_flower_check_higher_than_l3(rule)) {
NL_SET_ERR_MSG_MOD(extack, "unsupported offload: cannot match on L4 information without specified IP protocol type");
return -EOPNOTSUPP;
}
@ -1005,9 +1000,7 @@ int nfp_flower_merge_offloaded_flows(struct nfp_app *app,
struct nfp_fl_payload *sub_flow1,
struct nfp_fl_payload *sub_flow2)
{
struct flow_cls_offload merge_tc_off;
struct nfp_flower_priv *priv = app->priv;
struct netlink_ext_ack *extack = NULL;
struct nfp_fl_payload *merge_flow;
struct nfp_fl_key_ls merge_key_ls;
struct nfp_merge_info *merge_info;
@ -1016,7 +1009,6 @@ int nfp_flower_merge_offloaded_flows(struct nfp_app *app,
ASSERT_RTNL();
extack = merge_tc_off.common.extack;
if (sub_flow1 == sub_flow2 ||
nfp_flower_is_merge_flow(sub_flow1) ||
nfp_flower_is_merge_flow(sub_flow2))
@ -1061,9 +1053,8 @@ int nfp_flower_merge_offloaded_flows(struct nfp_app *app,
if (err)
goto err_unlink_sub_flow1;
merge_tc_off.cookie = merge_flow->tc_flower_cookie;
err = nfp_compile_flow_metadata(app, &merge_tc_off, merge_flow,
merge_flow->ingress_dev, extack);
err = nfp_compile_flow_metadata(app, merge_flow->tc_flower_cookie, merge_flow,
merge_flow->ingress_dev, NULL);
if (err)
goto err_unlink_sub_flow2;
@ -1305,6 +1296,7 @@ static int
nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
struct flow_cls_offload *flow)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(flow);
enum nfp_flower_tun_type tun_type = NFP_FL_TUNNEL_NONE;
struct nfp_flower_priv *priv = app->priv;
struct netlink_ext_ack *extack = NULL;
@ -1330,7 +1322,7 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
if (!key_layer)
return -ENOMEM;
err = nfp_flower_calculate_key_layers(app, netdev, key_layer, flow,
err = nfp_flower_calculate_key_layers(app, netdev, key_layer, rule,
&tun_type, extack);
if (err)
goto err_free_key_ls;
@ -1341,7 +1333,7 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
goto err_free_key_ls;
}
err = nfp_flower_compile_flow_match(app, flow, key_layer, netdev,
err = nfp_flower_compile_flow_match(app, rule, key_layer, netdev,
flow_pay, tun_type, extack);
if (err)
goto err_destroy_flow;
@ -1356,7 +1348,7 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
goto err_destroy_flow;
}
err = nfp_compile_flow_metadata(app, flow, flow_pay, netdev, extack);
err = nfp_compile_flow_metadata(app, flow->cookie, flow_pay, netdev, extack);
if (err)
goto err_destroy_flow;