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net/mlx5: Refactor mlx5_add_flow_rule

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Reduce the set of arguments passed to mlx5_add_flow_rule
by introducing flow_spec structure.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maor Gottlieb 2016-07-04 17:23:05 +03:00 committed by David S. Miller
parent 019d0c9936
commit c5bb17302e
8 changed files with 172 additions and 233 deletions
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21
drivers/infiniband/hw/mlx5/main.c
View File

@ -1528,21 +1528,18 @@ static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
{
struct mlx5_flow_table *ft = ft_prio->flow_table;
struct mlx5_ib_flow_handler *handler;
struct mlx5_flow_spec *spec;
void *ib_flow = flow_attr + 1;
u8 match_criteria_enable = 0;
unsigned int spec_index;
u32 *match_c;
u32 *match_v;
u32 action;
int err = 0;
if (!is_valid_attr(flow_attr))
return ERR_PTR(-EINVAL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
spec = mlx5_vzalloc(sizeof(*spec));
handler = kzalloc(sizeof(*handler), GFP_KERNEL);
if (!handler || !match_c || !match_v) {
if (!handler || !spec) {
err = -ENOMEM;
goto free;
}
@ -1550,7 +1547,8 @@ static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
INIT_LIST_HEAD(&handler->list);
for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) {
err = parse_flow_attr(match_c, match_v, ib_flow);
err = parse_flow_attr(spec->match_criteria,
spec->match_value, ib_flow);
if (err < 0)
goto free;
@ -1558,11 +1556,11 @@ static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
}
/* Outer header support only */
match_criteria_enable = (!outer_header_zero(match_c)) << 0;
spec->match_criteria_enable = (!outer_header_zero(spec->match_criteria))
<< 0;
action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST :
MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
handler->rule = mlx5_add_flow_rule(ft, match_criteria_enable,
match_c, match_v,
handler->rule = mlx5_add_flow_rule(ft, spec,
action,
MLX5_FS_DEFAULT_FLOW_TAG,
dst);
@ -1578,8 +1576,7 @@ static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
free:
if (err)
kfree(handler);
kfree(match_c);
kfree(match_v);
kvfree(spec);
return err ? ERR_PTR(err) : handler;
}

68
drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
View File

@ -175,15 +175,12 @@ static int arfs_add_default_rule(struct mlx5e_priv *priv,
{
struct arfs_table *arfs_t = &priv->fs.arfs.arfs_tables[type];
struct mlx5_flow_destination dest;
u8 match_criteria_enable = 0;
struct mlx5e_tir *tir = priv->indir_tir;
u32 *match_criteria;
u32 *match_value;
struct mlx5_flow_spec *spec;
int err = 0;
match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
if (!match_value || !match_criteria) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
err = -ENOMEM;
goto out;
@ -208,8 +205,7 @@ static int arfs_add_default_rule(struct mlx5e_priv *priv,
goto out;
}
arfs_t->default_rule = mlx5_add_flow_rule(arfs_t->ft.t, match_criteria_enable,
match_criteria, match_value,
arfs_t->default_rule = mlx5_add_flow_rule(arfs_t->ft.t, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
MLX5_FS_DEFAULT_FLOW_TAG,
&dest);
@ -220,8 +216,7 @@ static int arfs_add_default_rule(struct mlx5e_priv *priv,
__func__, type);
}
out:
kvfree(match_criteria);
kvfree(match_value);
kvfree(spec);
return err;
}
@ -475,23 +470,20 @@ static struct mlx5_flow_rule *arfs_add_rule(struct mlx5e_priv *priv,
struct mlx5_flow_rule *rule = NULL;
struct mlx5_flow_destination dest;
struct arfs_table *arfs_table;
u8 match_criteria_enable = 0;
struct mlx5_flow_spec *spec;
struct mlx5_flow_table *ft;
u32 *match_criteria;
u32 *match_value;
int err = 0;
match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
if (!match_value || !match_criteria) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
err = -ENOMEM;
goto out;
}
match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, match_criteria,
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.ethertype);
MLX5_SET(fte_match_param, match_value, outer_headers.ethertype,
MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype,
ntohs(tuple->etype));
arfs_table = arfs_get_table(arfs, tuple->ip_proto, tuple->etype);
if (!arfs_table) {
@ -501,59 +493,58 @@ static struct mlx5_flow_rule *arfs_add_rule(struct mlx5e_priv *priv,
ft = arfs_table->ft.t;
if (tuple->ip_proto == IPPROTO_TCP) {
MLX5_SET_TO_ONES(fte_match_param, match_criteria,
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.tcp_dport);
MLX5_SET_TO_ONES(fte_match_param, match_criteria,
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.tcp_sport);
MLX5_SET(fte_match_param, match_value, outer_headers.tcp_dport,
MLX5_SET(fte_match_param, spec->match_value, outer_headers.tcp_dport,
ntohs(tuple->dst_port));
MLX5_SET(fte_match_param, match_value, outer_headers.tcp_sport,
MLX5_SET(fte_match_param, spec->match_value, outer_headers.tcp_sport,
ntohs(tuple->src_port));
} else {
MLX5_SET_TO_ONES(fte_match_param, match_criteria,
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.udp_dport);
MLX5_SET_TO_ONES(fte_match_param, match_criteria,
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.udp_sport);
MLX5_SET(fte_match_param, match_value, outer_headers.udp_dport,
MLX5_SET(fte_match_param, spec->match_value, outer_headers.udp_dport,
ntohs(tuple->dst_port));
MLX5_SET(fte_match_param, match_value, outer_headers.udp_sport,
MLX5_SET(fte_match_param, spec->match_value, outer_headers.udp_sport,
ntohs(tuple->src_port));
}
if (tuple->etype == htons(ETH_P_IP)) {
memcpy(MLX5_ADDR_OF(fte_match_param, match_value,
memcpy(MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers.src_ipv4_src_ipv6.ipv4_layout.ipv4),
&tuple->src_ipv4,
4);
memcpy(MLX5_ADDR_OF(fte_match_param, match_value,
memcpy(MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers.dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
&tuple->dst_ipv4,
4);
MLX5_SET_TO_ONES(fte_match_param, match_criteria,
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.src_ipv4_src_ipv6.ipv4_layout.ipv4);
MLX5_SET_TO_ONES(fte_match_param, match_criteria,
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
} else {
memcpy(MLX5_ADDR_OF(fte_match_param, match_value,
memcpy(MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers.src_ipv4_src_ipv6.ipv6_layout.ipv6),
&tuple->src_ipv6,
16);
memcpy(MLX5_ADDR_OF(fte_match_param, match_value,
memcpy(MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers.dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
&tuple->dst_ipv6,
16);
memset(MLX5_ADDR_OF(fte_match_param, match_criteria,
memset(MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
outer_headers.src_ipv4_src_ipv6.ipv6_layout.ipv6),
0xff,
16);
memset(MLX5_ADDR_OF(fte_match_param, match_criteria,
memset(MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
outer_headers.dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
0xff,
16);
}
dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
dest.tir_num = priv->direct_tir[arfs_rule->rxq].tirn;
rule = mlx5_add_flow_rule(ft, match_criteria_enable, match_criteria,
match_value, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
rule = mlx5_add_flow_rule(ft, spec, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
MLX5_FS_DEFAULT_FLOW_TAG,
&dest);
if (IS_ERR(rule)) {
@ -563,8 +554,7 @@ static struct mlx5_flow_rule *arfs_add_rule(struct mlx5e_priv *priv,
}
out:
kvfree(match_criteria);
kvfree(match_value);
kvfree(spec);
return err ? ERR_PTR(err) : rule;
}

96
drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
View File

@ -156,19 +156,18 @@ enum mlx5e_vlan_rule_type {
static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
enum mlx5e_vlan_rule_type rule_type,
u16 vid, u32 *mc, u32 *mv)
u16 vid, struct mlx5_flow_spec *spec)
{
struct mlx5_flow_table *ft = priv->fs.vlan.ft.t;
struct mlx5_flow_destination dest;
u8 match_criteria_enable = 0;
struct mlx5_flow_rule **rule_p;
int err = 0;
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
dest.ft = priv->fs.l2.ft.t;
match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.vlan_tag);
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag);
switch (rule_type) {
case MLX5E_VLAN_RULE_TYPE_UNTAGGED:
@ -176,17 +175,19 @@ static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
break;
case MLX5E_VLAN_RULE_TYPE_ANY_VID:
rule_p = &priv->fs.vlan.any_vlan_rule;
MLX5_SET(fte_match_param, mv, outer_headers.vlan_tag, 1);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.vlan_tag, 1);
break;
default: /* MLX5E_VLAN_RULE_TYPE_MATCH_VID */
rule_p = &priv->fs.vlan.active_vlans_rule[vid];
MLX5_SET(fte_match_param, mv, outer_headers.vlan_tag, 1);
MLX5_SET_TO_ONES(fte_match_param, mc, outer_headers.first_vid);
MLX5_SET(fte_match_param, mv, outer_headers.first_vid, vid);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.vlan_tag, 1);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
outer_headers.first_vid);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid,
vid);
break;
}
*rule_p = mlx5_add_flow_rule(ft, match_criteria_enable, mc, mv,
*rule_p = mlx5_add_flow_rule(ft, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
MLX5_FS_DEFAULT_FLOW_TAG,
&dest);
@ -203,27 +204,21 @@ static int __mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
static int mlx5e_add_vlan_rule(struct mlx5e_priv *priv,
enum mlx5e_vlan_rule_type rule_type, u16 vid)
{
u32 *match_criteria;
u32 *match_value;
struct mlx5_flow_spec *spec;
int err = 0;
match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
if (!match_value || !match_criteria) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
err = -ENOMEM;
goto add_vlan_rule_out;
return -ENOMEM;
}
if (rule_type == MLX5E_VLAN_RULE_TYPE_MATCH_VID)
mlx5e_vport_context_update_vlans(priv);
err = __mlx5e_add_vlan_rule(priv, rule_type, vid, match_criteria,
match_value);
err = __mlx5e_add_vlan_rule(priv, rule_type, vid, spec);
add_vlan_rule_out:
kvfree(match_criteria);
kvfree(match_value);
kvfree(spec);
return err;
}
@ -598,32 +593,27 @@ static struct mlx5_flow_rule *mlx5e_generate_ttc_rule(struct mlx5e_priv *priv,
u8 proto)
{
struct mlx5_flow_rule *rule;
u8 match_criteria_enable = 0;
u32 *match_criteria;
u32 *match_value;
struct mlx5_flow_spec *spec;
int err = 0;
match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
if (!match_value || !match_criteria) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
err = -ENOMEM;
goto out;
return ERR_PTR(-ENOMEM);
}
if (proto) {
match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.ip_protocol);
MLX5_SET(fte_match_param, match_value, outer_headers.ip_protocol, proto);
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ip_protocol);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, proto);
}
if (etype) {
match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.ethertype);
MLX5_SET(fte_match_param, match_value, outer_headers.ethertype, etype);
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.ethertype);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.ethertype, etype);
}
rule = mlx5_add_flow_rule(ft, match_criteria_enable,
match_criteria, match_value,
rule = mlx5_add_flow_rule(ft, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
MLX5_FS_DEFAULT_FLOW_TAG,
dest);
@ -631,9 +621,8 @@ static struct mlx5_flow_rule *mlx5e_generate_ttc_rule(struct mlx5e_priv *priv,
err = PTR_ERR(rule);
netdev_err(priv->netdev, "%s: add rule failed\n", __func__);
}
out:
kvfree(match_criteria);
kvfree(match_value);
kvfree(spec);
return err ? ERR_PTR(err) : rule;
}
@ -792,24 +781,20 @@ static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
{
struct mlx5_flow_table *ft = priv->fs.l2.ft.t;
struct mlx5_flow_destination dest;
u8 match_criteria_enable = 0;
u32 *match_criteria;
u32 *match_value;
struct mlx5_flow_spec *spec;
int err = 0;
u8 *mc_dmac;
u8 *mv_dmac;
match_value = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
match_criteria = mlx5_vzalloc(MLX5_ST_SZ_BYTES(fte_match_param));
if (!match_value || !match_criteria) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
netdev_err(priv->netdev, "%s: alloc failed\n", __func__);
err = -ENOMEM;
goto add_l2_rule_out;
return -ENOMEM;
}
mc_dmac = MLX5_ADDR_OF(fte_match_param, match_criteria,
mc_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
outer_headers.dmac_47_16);
mv_dmac = MLX5_ADDR_OF(fte_match_param, match_value,
mv_dmac = MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers.dmac_47_16);
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
@ -817,13 +802,13 @@ static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
switch (type) {
case MLX5E_FULLMATCH:
match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
eth_broadcast_addr(mc_dmac);
ether_addr_copy(mv_dmac, ai->addr);
break;
case MLX5E_ALLMULTI:
match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
mc_dmac[0] = 0x01;
mv_dmac[0] = 0x01;
break;
@ -832,8 +817,7 @@ static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
break;
}
ai->rule = mlx5_add_flow_rule(ft, match_criteria_enable, match_criteria,
match_value,
ai->rule = mlx5_add_flow_rule(ft, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
MLX5_FS_DEFAULT_FLOW_TAG, &dest);
if (IS_ERR(ai->rule)) {
@ -843,9 +827,7 @@ static int mlx5e_add_l2_flow_rule(struct mlx5e_priv *priv,
ai->rule = NULL;
}
add_l2_rule_out:
kvfree(match_criteria);
kvfree(match_value);
kvfree(spec);
return err;
}

31
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
View File

@ -50,7 +50,7 @@ struct mlx5e_tc_flow {
#define MLX5E_TC_TABLE_NUM_GROUPS 4
static struct mlx5_flow_rule *mlx5e_tc_add_flow(struct mlx5e_priv *priv,
u32 *match_c, u32 *match_v,
struct mlx5_flow_spec *spec,
u32 action, u32 flow_tag)
{
struct mlx5_core_dev *dev = priv->mdev;
@ -88,8 +88,8 @@ static struct mlx5_flow_rule *mlx5e_tc_add_flow(struct mlx5e_priv *priv,
table_created = true;
}
rule = mlx5_add_flow_rule(priv->fs.tc.t, MLX5_MATCH_OUTER_HEADERS,
match_c, match_v,
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
rule = mlx5_add_flow_rule(priv->fs.tc.t, spec,
action, flow_tag,
&dest);
@ -126,12 +126,13 @@ static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
}
}
static int parse_cls_flower(struct mlx5e_priv *priv,
u32 *match_c, u32 *match_v,
static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec,
struct tc_cls_flower_offload *f)
{
void *headers_c = MLX5_ADDR_OF(fte_match_param, match_c, outer_headers);
void *headers_v = MLX5_ADDR_OF(fte_match_param, match_v, outer_headers);
void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
outer_headers);
void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers);
u16 addr_type = 0;
u8 ip_proto = 0;
@ -342,12 +343,11 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol,
struct tc_cls_flower_offload *f)
{
struct mlx5e_tc_table *tc = &priv->fs.tc;
u32 *match_c;
u32 *match_v;
int err = 0;
u32 flow_tag;
u32 action;
struct mlx5e_tc_flow *flow;
struct mlx5_flow_spec *spec;
struct mlx5_flow_rule *old = NULL;
flow = rhashtable_lookup_fast(&tc->ht, &f->cookie,
@ -357,16 +357,15 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol,
else
flow = kzalloc(sizeof(*flow), GFP_KERNEL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
if (!match_c || !match_v || !flow) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec || !flow) {
err = -ENOMEM;
goto err_free;
}
flow->cookie = f->cookie;
err = parse_cls_flower(priv, match_c, match_v, f);
err = parse_cls_flower(priv, spec, f);
if (err < 0)
goto err_free;
@ -379,8 +378,7 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol,
if (err)
goto err_free;
flow->rule = mlx5e_tc_add_flow(priv, match_c, match_v, action,
flow_tag);
flow->rule = mlx5e_tc_add_flow(priv, spec, action, flow_tag);
if (IS_ERR(flow->rule)) {
err = PTR_ERR(flow->rule);
goto err_hash_del;
@ -398,8 +396,7 @@ err_free:
if (!old)
kfree(flow);
out:
kfree(match_c);
kfree(match_v);
kvfree(spec);
return err;
}

102
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
View File

@ -329,25 +329,23 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule,
MLX5_MATCH_OUTER_HEADERS);
struct mlx5_flow_rule *flow_rule = NULL;
struct mlx5_flow_destination dest;
struct mlx5_flow_spec *spec;
void *mv_misc = NULL;
void *mc_misc = NULL;
u8 *dmac_v = NULL;
u8 *dmac_c = NULL;
u32 *match_v;
u32 *match_c;
if (rx_rule)
match_header |= MLX5_MATCH_MISC_PARAMETERS;
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
if (!match_v || !match_c) {
pr_warn("FDB: Failed to alloc match parameters\n");
goto out;
}
dmac_v = MLX5_ADDR_OF(fte_match_param, match_v,
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
pr_warn("FDB: Failed to alloc match parameters\n");
return NULL;
}
dmac_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
outer_headers.dmac_47_16);
dmac_c = MLX5_ADDR_OF(fte_match_param, match_c,
dmac_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
outer_headers.dmac_47_16);
if (match_header & MLX5_MATCH_OUTER_HEADERS) {
@ -356,8 +354,10 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule,
}
if (match_header & MLX5_MATCH_MISC_PARAMETERS) {
mv_misc = MLX5_ADDR_OF(fte_match_param, match_v, misc_parameters);
mc_misc = MLX5_ADDR_OF(fte_match_param, match_c, misc_parameters);
mv_misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
misc_parameters);
mc_misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
misc_parameters);
MLX5_SET(fte_match_set_misc, mv_misc, source_port, UPLINK_VPORT);
MLX5_SET_TO_ONES(fte_match_set_misc, mc_misc, source_port);
}
@ -368,11 +368,9 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule,
esw_debug(esw->dev,
"\tFDB add rule dmac_v(%pM) dmac_c(%pM) -> vport(%d)\n",
dmac_v, dmac_c, vport);
spec->match_criteria_enable = match_header;
flow_rule =
mlx5_add_flow_rule(esw->fdb_table.fdb,
match_header,
match_c,
match_v,
mlx5_add_flow_rule(esw->fdb_table.fdb, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
0, &dest);
if (IS_ERR(flow_rule)) {
@ -381,9 +379,8 @@ __esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u32 vport, bool rx_rule,
dmac_v, dmac_c, vport, PTR_ERR(flow_rule));
flow_rule = NULL;
}
out:
kfree(match_v);
kfree(match_c);
kvfree(spec);
return flow_rule;
}
@ -1293,9 +1290,8 @@ static void esw_vport_disable_ingress_acl(struct mlx5_eswitch *esw,
static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
struct mlx5_vport *vport)
{
struct mlx5_flow_spec *spec;
u8 smac[ETH_ALEN];
u32 *match_v;
u32 *match_c;
int err = 0;
u8 *smac_v;
@ -1329,9 +1325,8 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
"vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
vport->vport, vport->vlan, vport->qos);
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
if (!match_v || !match_c) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
err = -ENOMEM;
esw_warn(esw->dev, "vport[%d] configure ingress rules failed, err(%d)\n",
vport->vport, err);
@ -1339,22 +1334,20 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
}
if (vport->vlan || vport->qos)
MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.vlan_tag);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag);
if (vport->spoofchk) {
MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.smac_47_16);
MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.smac_15_0);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0);
smac_v = MLX5_ADDR_OF(fte_match_param,
match_v,
spec->match_value,
outer_headers.smac_47_16);
ether_addr_copy(smac_v, smac);
}
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
vport->ingress.allow_rule =
mlx5_add_flow_rule(vport->ingress.acl,
MLX5_MATCH_OUTER_HEADERS,
match_c,
match_v,
mlx5_add_flow_rule(vport->ingress.acl, spec,
MLX5_FLOW_CONTEXT_ACTION_ALLOW,
0, NULL);
if (IS_ERR(vport->ingress.allow_rule)) {
@ -1365,13 +1358,9 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
goto out;
}
memset(match_c, 0, MLX5_ST_SZ_BYTES(fte_match_param));
memset(match_v, 0, MLX5_ST_SZ_BYTES(fte_match_param));
memset(spec, 0, sizeof(*spec));
vport->ingress.drop_rule =
mlx5_add_flow_rule(vport->ingress.acl,
0,
match_c,
match_v,
mlx5_add_flow_rule(vport->ingress.acl, spec,
MLX5_FLOW_CONTEXT_ACTION_DROP,
0, NULL);
if (IS_ERR(vport->ingress.drop_rule)) {
@ -1385,17 +1374,14 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
out:
if (err)
esw_vport_cleanup_ingress_rules(esw, vport);
kfree(match_v);
kfree(match_c);
kvfree(spec);
return err;
}
static int esw_vport_egress_config(struct mlx5_eswitch *esw,
struct mlx5_vport *vport)
{
u32 *match_v;
u32 *match_c;
struct mlx5_flow_spec *spec;
int err = 0;
esw_vport_cleanup_egress_rules(esw, vport);
@ -1411,9 +1397,8 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw,
"vport[%d] configure egress rules, vlan(%d) qos(%d)\n",
vport->vport, vport->vlan, vport->qos);
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
if (!match_v || !match_c) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
err = -ENOMEM;
esw_warn(esw->dev, "vport[%d] configure egress rules failed, err(%d)\n",
vport->vport, err);
@ -1421,16 +1406,14 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw,
}
/* Allowed vlan rule */
MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.vlan_tag);
MLX5_SET_TO_ONES(fte_match_param, match_v, outer_headers.vlan_tag);
MLX5_SET_TO_ONES(fte_match_param, match_c, outer_headers.first_vid);
MLX5_SET(fte_match_param, match_v, outer_headers.first_vid, vport->vlan);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.vlan_tag);
MLX5_SET_TO_ONES(fte_match_param, spec->match_value, outer_headers.vlan_tag);
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.first_vid);
MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid, vport->vlan);
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
vport->egress.allowed_vlan =
mlx5_add_flow_rule(vport->egress.acl,
MLX5_MATCH_OUTER_HEADERS,
match_c,
match_v,
mlx5_add_flow_rule(vport->egress.acl, spec,
MLX5_FLOW_CONTEXT_ACTION_ALLOW,
0, NULL);
if (IS_ERR(vport->egress.allowed_vlan)) {
@ -1442,13 +1425,9 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw,
}
/* Drop others rule (star rule) */
memset(match_c, 0, MLX5_ST_SZ_BYTES(fte_match_param));
memset(match_v, 0, MLX5_ST_SZ_BYTES(fte_match_param));
memset(spec, 0, sizeof(*spec));
vport->egress.drop_rule =
mlx5_add_flow_rule(vport->egress.acl,
0,
match_c,
match_v,
mlx5_add_flow_rule(vport->egress.acl, spec,
MLX5_FLOW_CONTEXT_ACTION_DROP,
0, NULL);
if (IS_ERR(vport->egress.drop_rule)) {
@ -1458,8 +1437,7 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw,
vport->egress.drop_rule = NULL;
}
out:
kfree(match_v);
kfree(match_c);
kvfree(spec);
return err;
}

55
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
View File

@ -43,37 +43,35 @@ mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, int vport, u32 sqn
{
struct mlx5_flow_destination dest;
struct mlx5_flow_rule *flow_rule;
int match_header = MLX5_MATCH_MISC_PARAMETERS;
u32 *match_v, *match_c;
struct mlx5_flow_spec *spec;
void *misc;
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
if (!match_v || !match_c) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
esw_warn(esw->dev, "FDB: Failed to alloc match parameters\n");
flow_rule = ERR_PTR(-ENOMEM);
goto out;
}
misc = MLX5_ADDR_OF(fte_match_param, match_v, misc_parameters);
misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters);
MLX5_SET(fte_match_set_misc, misc, source_sqn, sqn);
MLX5_SET(fte_match_set_misc, misc, source_port, 0x0); /* source vport is 0 */
misc = MLX5_ADDR_OF(fte_match_param, match_c, misc_parameters);
misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters);
MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_sqn);
MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS;
dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
dest.vport_num = vport;
flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, match_header, match_c,
match_v, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
0, &dest);
if (IS_ERR(flow_rule))
esw_warn(esw->dev, "FDB: Failed to add send to vport rule err %ld\n", PTR_ERR(flow_rule));
out:
kfree(match_v);
kfree(match_c);
kvfree(spec);
return flow_rule;
}
@ -138,12 +136,11 @@ static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw)
{
struct mlx5_flow_destination dest;
struct mlx5_flow_rule *flow_rule = NULL;
u32 *match_v, *match_c;
struct mlx5_flow_spec *spec;
int err = 0;
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
if (!match_v || !match_c) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
esw_warn(esw->dev, "FDB: Failed to alloc match parameters\n");
err = -ENOMEM;
goto out;
@ -152,8 +149,9 @@ static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw)
dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
dest.vport_num = 0;
flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, 0, match_c, match_v,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, 0, &dest);
flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
0, &dest);
if (IS_ERR(flow_rule)) {
err = PTR_ERR(flow_rule);
esw_warn(esw->dev, "FDB: Failed to add miss flow rule err %d\n", err);
@ -162,8 +160,7 @@ static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw)
esw->fdb_table.offloads.miss_rule = flow_rule;
out:
kfree(match_v);
kfree(match_c);
kvfree(spec);
return err;
}
@ -351,29 +348,28 @@ mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn)
{
struct mlx5_flow_destination dest;
struct mlx5_flow_rule *flow_rule;
int match_header = MLX5_MATCH_MISC_PARAMETERS;
u32 *match_v, *match_c;
struct mlx5_flow_spec *spec;
void *misc;
match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
if (!match_v || !match_c) {
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec) {
esw_warn(esw->dev, "Failed to alloc match parameters\n");
flow_rule = ERR_PTR(-ENOMEM);
goto out;
}
misc = MLX5_ADDR_OF(fte_match_param, match_v, misc_parameters);
misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters);
MLX5_SET(fte_match_set_misc, misc, source_port, vport);
misc = MLX5_ADDR_OF(fte_match_param, match_c, misc_parameters);
misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters);
MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS;
dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
dest.tir_num = tirn;
flow_rule = mlx5_add_flow_rule(esw->offloads.ft_offloads, match_header, match_c,
match_v, MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
flow_rule = mlx5_add_flow_rule(esw->offloads.ft_offloads, spec,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
0, &dest);
if (IS_ERR(flow_rule)) {
esw_warn(esw->dev, "fs offloads: Failed to add vport rx rule err %ld\n", PTR_ERR(flow_rule));
@ -381,8 +377,7 @@ mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn)
}
out:
kfree(match_v);
kfree(match_c);
kvfree(spec);
return flow_rule;
}

22
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
View File

@ -1160,9 +1160,7 @@ static bool dest_is_valid(struct mlx5_flow_destination *dest,
static struct mlx5_flow_rule *
_mlx5_add_flow_rule(struct mlx5_flow_table *ft,
u8 match_criteria_enable,
u32 *match_criteria,
u32 *match_value,
struct mlx5_flow_spec *spec,
u32 action,
u32 flow_tag,
struct mlx5_flow_destination *dest)
@ -1176,22 +1174,23 @@ _mlx5_add_flow_rule(struct mlx5_flow_table *ft,
nested_lock_ref_node(&ft->node, FS_MUTEX_GRANDPARENT);
fs_for_each_fg(g, ft)
if (compare_match_criteria(g->mask.match_criteria_enable,
match_criteria_enable,
spec->match_criteria_enable,
g->mask.match_criteria,
match_criteria)) {
rule = add_rule_fg(g, match_value,
spec->match_criteria)) {
rule = add_rule_fg(g, spec->match_value,
action, flow_tag, dest);
if (!IS_ERR(rule) || PTR_ERR(rule) != -ENOSPC)
goto unlock;
}
g = create_autogroup(ft, match_criteria_enable, match_criteria);
g = create_autogroup(ft, spec->match_criteria_enable,
spec->match_criteria);
if (IS_ERR(g)) {
rule = (void *)g;
goto unlock;
}
rule = add_rule_fg(g, match_value,
rule = add_rule_fg(g, spec->match_value,
action, flow_tag, dest);
if (IS_ERR(rule)) {
/* Remove assumes refcount > 0 and autogroup creates a group
@ -1215,9 +1214,7 @@ static bool fwd_next_prio_supported(struct mlx5_flow_table *ft)
struct mlx5_flow_rule *
mlx5_add_flow_rule(struct mlx5_flow_table *ft,
u8 match_criteria_enable,
u32 *match_criteria,
u32 *match_value,
struct mlx5_flow_spec *spec,
u32 action,
u32 flow_tag,
struct mlx5_flow_destination *dest)
@ -1248,8 +1245,7 @@ mlx5_add_flow_rule(struct mlx5_flow_table *ft,
}
}
rule = _mlx5_add_flow_rule(ft, match_criteria_enable, match_criteria,
match_value, action, flow_tag, dest);
rule = _mlx5_add_flow_rule(ft, spec, action, flow_tag, dest);
if (sw_action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
if (!IS_ERR_OR_NULL(rule) &&

10
include/linux/mlx5/fs.h
View File

@ -68,6 +68,12 @@ struct mlx5_flow_group;
struct mlx5_flow_rule;
struct mlx5_flow_namespace;
struct mlx5_flow_spec {
u8 match_criteria_enable;
u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
};
struct mlx5_flow_destination {
enum mlx5_flow_destination_type type;
union {
@ -116,9 +122,7 @@ void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
*/
struct mlx5_flow_rule *
mlx5_add_flow_rule(struct mlx5_flow_table *ft,
u8 match_criteria_enable,
u32 *match_criteria,
u32 *match_value,
struct mlx5_flow_spec *spec,
u32 action,
u32 flow_tag,
struct mlx5_flow_destination *dest);