| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Fri, 9 Nov 2018 21:21:30 -0800
From: Jakub Kicinski <jakub.kicinski@...ronome.com>
To: davem@...emloft.net
Cc: oss-drivers@...ronome.com, netdev@...r.kernel.org,
jiri@...nulli.us, xiyou.wangcong@...il.com, jhs@...atatu.com,
gerlitz.or@...il.com, ozsh@...lanox.com, vladbu@...lanox.com,
John Hurley <john.hurley@...ronome.com>
Subject: [PATCH net-next 5/6] nfp: flower: remove TC egdev offloads
From: John Hurley <john.hurley@...ronome.com>
Previously, only tunnel decap rules required egdev registration for
offload in NFP. These are now supported via indirect TC block callbacks.
Remove the egdev code from NFP.
Signed-off-by: John Hurley <john.hurley@...ronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
---
.../net/ethernet/netronome/nfp/flower/main.c | 12 ---
.../net/ethernet/netronome/nfp/flower/main.h | 3 -
.../ethernet/netronome/nfp/flower/metadata.c | 1 +
.../ethernet/netronome/nfp/flower/offload.c | 79 ++++---------------
4 files changed, 17 insertions(+), 78 deletions(-)
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index d1c3c2081461..5059110a1768 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -146,23 +146,12 @@ nfp_flower_repr_netdev_stop(struct nfp_app *app, struct nfp_repr *repr)
return nfp_flower_cmsg_portmod(repr, false, repr->netdev->mtu, false);
}
-static int
-nfp_flower_repr_netdev_init(struct nfp_app *app, struct net_device *netdev)
-{
- return tc_setup_cb_egdev_register(netdev,
- nfp_flower_setup_tc_egress_cb,
- netdev_priv(netdev));
-}
-
static void
nfp_flower_repr_netdev_clean(struct nfp_app *app, struct net_device *netdev)
{
struct nfp_repr *repr = netdev_priv(netdev);
kfree(repr->app_priv);
-
- tc_setup_cb_egdev_unregister(netdev, nfp_flower_setup_tc_egress_cb,
- netdev_priv(netdev));
}
static void
@@ -711,7 +700,6 @@ const struct nfp_app_type app_flower = {
.vnic_init = nfp_flower_vnic_init,
.vnic_clean = nfp_flower_vnic_clean,
- .repr_init = nfp_flower_repr_netdev_init,
.repr_preclean = nfp_flower_repr_netdev_preclean,
.repr_clean = nfp_flower_repr_netdev_clean,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
index 8c84829ebd21..9d134aa871fc 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -207,7 +207,6 @@ struct nfp_fl_payload {
char *unmasked_data;
char *mask_data;
char *action_data;
- bool ingress_offload;
};
extern const struct rhashtable_params nfp_flower_table_params;
@@ -259,8 +258,6 @@ void nfp_tunnel_del_ipv4_off(struct nfp_app *app, __be32 ipv4);
void nfp_tunnel_add_ipv4_off(struct nfp_app *app, __be32 ipv4);
void nfp_tunnel_request_route(struct nfp_app *app, struct sk_buff *skb);
void nfp_tunnel_keep_alive(struct nfp_app *app, struct sk_buff *skb);
-int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,
- void *cb_priv);
void nfp_flower_lag_init(struct nfp_fl_lag *lag);
void nfp_flower_lag_cleanup(struct nfp_fl_lag *lag);
int nfp_flower_lag_reset(struct nfp_fl_lag *lag);
diff --git a/drivers/net/ethernet/netronome/nfp/flower/metadata.c b/drivers/net/ethernet/netronome/nfp/flower/metadata.c
index 48729bf171e0..9b4711ce98f0 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/metadata.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/metadata.c
@@ -287,6 +287,7 @@ 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->ingress_dev = netdev;
new_mask_id = 0;
if (!nfp_check_mask_add(app, nfp_flow->mask_data,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index 222e1a98cf16..0e2dfbb3ef86 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -131,7 +131,6 @@ nfp_flower_calculate_key_layers(struct nfp_app *app,
struct net_device *netdev,
struct nfp_fl_key_ls *ret_key_ls,
struct tc_cls_flower_offload *flow,
- bool egress,
enum nfp_flower_tun_type *tun_type)
{
struct flow_dissector_key_basic *mask_basic = NULL;
@@ -253,9 +252,6 @@ nfp_flower_calculate_key_layers(struct nfp_app *app,
/* Ensure the ingress netdev matches the expected tun type. */
if (!nfp_fl_netdev_is_tunnel_type(netdev, *tun_type))
return -EOPNOTSUPP;
- } else if (egress) {
- /* Reject non tunnel matches offloaded to egress repr. */
- return -EOPNOTSUPP;
}
if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
@@ -376,7 +372,7 @@ nfp_flower_calculate_key_layers(struct nfp_app *app,
}
static struct nfp_fl_payload *
-nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer, bool egress)
+nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer)
{
struct nfp_fl_payload *flow_pay;
@@ -400,7 +396,6 @@ nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer, bool egress)
flow_pay->nfp_tun_ipv4_addr = 0;
flow_pay->meta.flags = 0;
- flow_pay->ingress_offload = !egress;
return flow_pay;
@@ -418,7 +413,6 @@ nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer, bool egress)
* @app: Pointer to the APP handle
* @netdev: netdev structure.
* @flow: TC flower classifier offload structure.
- * @egress: NFP netdev is the egress.
*
* Adds a new flow to the repeated hash structure and action payload.
*
@@ -426,47 +420,33 @@ nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer, bool egress)
*/
static int
nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
- struct tc_cls_flower_offload *flow, bool egress)
+ struct tc_cls_flower_offload *flow)
{
enum nfp_flower_tun_type tun_type = NFP_FL_TUNNEL_NONE;
struct nfp_flower_priv *priv = app->priv;
struct nfp_fl_payload *flow_pay;
struct nfp_fl_key_ls *key_layer;
struct nfp_port *port = NULL;
- struct net_device *ingr_dev;
int err;
if (nfp_netdev_is_nfp_repr(netdev))
port = nfp_port_from_netdev(netdev);
- ingr_dev = egress ? NULL : netdev;
- flow_pay = nfp_flower_search_fl_table(app, flow->cookie, ingr_dev,
- NFP_FL_STATS_CTX_DONT_CARE);
- if (flow_pay) {
- /* Ignore as duplicate if it has been added by different cb. */
- if (flow_pay->ingress_offload && egress)
- return 0;
- else
- return -EOPNOTSUPP;
- }
-
key_layer = kmalloc(sizeof(*key_layer), GFP_KERNEL);
if (!key_layer)
return -ENOMEM;
err = nfp_flower_calculate_key_layers(app, netdev, key_layer, flow,
- egress, &tun_type);
+ &tun_type);
if (err)
goto err_free_key_ls;
- flow_pay = nfp_flower_allocate_new(key_layer, egress);
+ flow_pay = nfp_flower_allocate_new(key_layer);
if (!flow_pay) {
err = -ENOMEM;
goto err_free_key_ls;
}
- flow_pay->ingress_dev = egress ? NULL : netdev;
-
err = nfp_flower_compile_flow_match(app, flow, key_layer, netdev,
flow_pay, tun_type);
if (err)
@@ -476,8 +456,7 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
if (err)
goto err_destroy_flow;
- err = nfp_compile_flow_metadata(app, flow, flow_pay,
- flow_pay->ingress_dev);
+ err = nfp_compile_flow_metadata(app, flow, flow_pay, netdev);
if (err)
goto err_destroy_flow;
@@ -515,7 +494,6 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
* @app: Pointer to the APP handle
* @netdev: netdev structure.
* @flow: TC flower classifier offload structure
- * @egress: Netdev is the egress dev.
*
* Removes a flow from the repeated hash structure and clears the
* action payload.
@@ -524,22 +502,20 @@ nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
*/
static int
nfp_flower_del_offload(struct nfp_app *app, struct net_device *netdev,
- struct tc_cls_flower_offload *flow, bool egress)
+ struct tc_cls_flower_offload *flow)
{
struct nfp_flower_priv *priv = app->priv;
struct nfp_fl_payload *nfp_flow;
struct nfp_port *port = NULL;
- struct net_device *ingr_dev;
int err;
if (nfp_netdev_is_nfp_repr(netdev))
port = nfp_port_from_netdev(netdev);
- ingr_dev = egress ? NULL : netdev;
- nfp_flow = nfp_flower_search_fl_table(app, flow->cookie, ingr_dev,
+ nfp_flow = nfp_flower_search_fl_table(app, flow->cookie, netdev,
NFP_FL_STATS_CTX_DONT_CARE);
if (!nfp_flow)
- return egress ? 0 : -ENOENT;
+ return -ENOENT;
err = nfp_modify_flow_metadata(app, nfp_flow);
if (err)
@@ -571,7 +547,6 @@ nfp_flower_del_offload(struct nfp_app *app, struct net_device *netdev,
* @app: Pointer to the APP handle
* @netdev: Netdev structure.
* @flow: TC flower classifier offload structure
- * @egress: Netdev is the egress dev.
*
* Populates a flow statistics structure which which corresponds to a
* specific flow.
@@ -580,22 +555,17 @@ nfp_flower_del_offload(struct nfp_app *app, struct net_device *netdev,
*/
static int
nfp_flower_get_stats(struct nfp_app *app, struct net_device *netdev,
- struct tc_cls_flower_offload *flow, bool egress)
+ struct tc_cls_flower_offload *flow)
{
struct nfp_flower_priv *priv = app->priv;
struct nfp_fl_payload *nfp_flow;
- struct net_device *ingr_dev;
u32 ctx_id;
- ingr_dev = egress ? NULL : netdev;
- nfp_flow = nfp_flower_search_fl_table(app, flow->cookie, ingr_dev,
+ nfp_flow = nfp_flower_search_fl_table(app, flow->cookie, netdev,
NFP_FL_STATS_CTX_DONT_CARE);
if (!nfp_flow)
return -EINVAL;
- if (nfp_flow->ingress_offload && egress)
- return 0;
-
ctx_id = be32_to_cpu(nfp_flow->meta.host_ctx_id);
spin_lock_bh(&priv->stats_lock);
@@ -612,35 +582,18 @@ nfp_flower_get_stats(struct nfp_app *app, struct net_device *netdev,
static int
nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
- struct tc_cls_flower_offload *flower, bool egress)
+ struct tc_cls_flower_offload *flower)
{
if (!eth_proto_is_802_3(flower->common.protocol))
return -EOPNOTSUPP;
switch (flower->command) {
case TC_CLSFLOWER_REPLACE:
- return nfp_flower_add_offload(app, netdev, flower, egress);
+ return nfp_flower_add_offload(app, netdev, flower);
case TC_CLSFLOWER_DESTROY:
- return nfp_flower_del_offload(app, netdev, flower, egress);
+ return nfp_flower_del_offload(app, netdev, flower);
case TC_CLSFLOWER_STATS:
- return nfp_flower_get_stats(app, netdev, flower, egress);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,
- void *cb_priv)
-{
- struct nfp_repr *repr = cb_priv;
-
- if (!tc_cls_can_offload_and_chain0(repr->netdev, type_data))
- return -EOPNOTSUPP;
-
- switch (type) {
- case TC_SETUP_CLSFLOWER:
- return nfp_flower_repr_offload(repr->app, repr->netdev,
- type_data, true);
+ return nfp_flower_get_stats(app, netdev, flower);
default:
return -EOPNOTSUPP;
}
@@ -657,7 +610,7 @@ static int nfp_flower_setup_tc_block_cb(enum tc_setup_type type,
switch (type) {
case TC_SETUP_CLSFLOWER:
return nfp_flower_repr_offload(repr->app, repr->netdev,
- type_data, false);
+ type_data);
default:
return -EOPNOTSUPP;
}
@@ -732,7 +685,7 @@ static int nfp_flower_setup_indr_block_cb(enum tc_setup_type type,
switch (type) {
case TC_SETUP_CLSFLOWER:
return nfp_flower_repr_offload(priv->app, priv->netdev,
- type_data, false);
+ type_data);
default:
return -EOPNOTSUPP;
}
--
2.17.1
Powered by blists - more mailing lists