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authorDavid S. Miller <davem@davemloft.net>2017-08-24 21:49:56 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-24 21:49:56 -0700
commit0cf3f4c37d45f68d9c0fe536f819584dc050082d (patch)
treee77493d1c7ba077943d589b198f1d00ed640ed66 /drivers
parent256fbe111218ccc3de4aff1aab44c9b08cd06c92 (diff)
parent4c03e69ab1ef31877cef63575a1869b130f9c5ce (diff)
Merge tag 'mlx5-updates-2017-08-24' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says: ==================== mlx5-updates-2017-08-24 This series includes updates to mlx5 core driver. From Gal and Saeed, three cleanup patches. From Matan, Low level flow steering improvements and optimizations, - Use more efficient data structures for flow steering objects handling. - Add tracepoints to flow steering operations. - Overall these patches improve flow steering rule insertion rate by a factor of seven in large scales (~50K rules or more). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/Makefile5
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/diag/Makefile1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c261
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h282
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eq.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.c472
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.h23
9 files changed, 899 insertions, 153 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 22ed657d263a..87a3099808f3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -4,7 +4,8 @@ subdir-ccflags-y += -I$(src)
mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
health.o mcg.o cq.o srq.o alloc.o qp.o port.o mr.o pd.o \
mad.o transobj.o vport.o sriov.o fs_cmd.o fs_core.o \
- fs_counters.o rl.o lag.o dev.o wq.o lib/gid.o
+ fs_counters.o rl.o lag.o dev.o wq.o lib/gid.o \
+ diag/fs_tracepoint.o
mlx5_core-$(CONFIG_MLX5_ACCEL) += accel/ipsec.o
@@ -25,3 +26,5 @@ mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib/ipoib.o ipoib/ethtool.o
mlx5_core-$(CONFIG_MLX5_EN_IPSEC) += en_accel/ipsec.o en_accel/ipsec_rxtx.o \
en_accel/ipsec_stats.o
+
+CFLAGS_tracepoint.o := -I$(src)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/diag/Makefile
new file mode 100644
index 000000000000..d8e17110f25d
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/Makefile
@@ -0,0 +1 @@
+subdir-ccflags-y += -I$(src)/..
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
new file mode 100644
index 000000000000..0be4575b58a2
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
@@ -0,0 +1,261 @@
+/*
+ * Copyright (c) 2017, Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define CREATE_TRACE_POINTS
+
+#include "fs_tracepoint.h"
+#include <linux/stringify.h>
+
+#define DECLARE_MASK_VAL(type, name) struct {type m; type v; } name
+#define MASK_VAL(type, spec, name, mask, val, fld) \
+ DECLARE_MASK_VAL(type, name) = \
+ {.m = MLX5_GET(spec, mask, fld),\
+ .v = MLX5_GET(spec, val, fld)}
+#define MASK_VAL_BE(type, spec, name, mask, val, fld) \
+ DECLARE_MASK_VAL(type, name) = \
+ {.m = MLX5_GET_BE(type, spec, mask, fld),\
+ .v = MLX5_GET_BE(type, spec, val, fld)}
+#define GET_MASKED_VAL(name) (name.m & name.v)
+
+#define GET_MASK_VAL(name, type, mask, val, fld) \
+ (name.m = MLX5_GET(type, mask, fld), \
+ name.v = MLX5_GET(type, val, fld), \
+ name.m & name.v)
+#define PRINT_MASKED_VAL(name, p, format) { \
+ if (name.m) \
+ trace_seq_printf(p, __stringify(name) "=" format " ", name.v); \
+ }
+#define PRINT_MASKED_VALP(name, cast, p, format) { \
+ if (name.m) \
+ trace_seq_printf(p, __stringify(name) "=" format " ", \
+ (cast)&name.v);\
+ }
+
+static void print_lyr_2_4_hdrs(struct trace_seq *p,
+ const u32 *mask, const u32 *value)
+{
+#define MASK_VAL_L2(type, name, fld) \
+ MASK_VAL(type, fte_match_set_lyr_2_4, name, mask, value, fld)
+ DECLARE_MASK_VAL(u64, smac) = {
+ .m = MLX5_GET(fte_match_set_lyr_2_4, mask, smac_47_16) << 16 |
+ MLX5_GET(fte_match_set_lyr_2_4, mask, smac_15_0),
+ .v = MLX5_GET(fte_match_set_lyr_2_4, value, smac_47_16) << 16 |
+ MLX5_GET(fte_match_set_lyr_2_4, value, smac_15_0)};
+ DECLARE_MASK_VAL(u64, dmac) = {
+ .m = MLX5_GET(fte_match_set_lyr_2_4, mask, dmac_47_16) << 16 |
+ MLX5_GET(fte_match_set_lyr_2_4, mask, dmac_15_0),
+ .v = MLX5_GET(fte_match_set_lyr_2_4, value, dmac_47_16) << 16 |
+ MLX5_GET(fte_match_set_lyr_2_4, value, dmac_15_0)};
+ MASK_VAL_L2(u16, ethertype, ethertype);
+
+ PRINT_MASKED_VALP(smac, u8 *, p, "%pM");
+ PRINT_MASKED_VALP(dmac, u8 *, p, "%pM");
+ PRINT_MASKED_VAL(ethertype, p, "%04x");
+
+ if (ethertype.m == 0xffff) {
+ if (ethertype.v == ETH_P_IP) {
+#define MASK_VAL_L2_BE(type, name, fld) \
+ MASK_VAL_BE(type, fte_match_set_lyr_2_4, name, mask, value, fld)
+ MASK_VAL_L2_BE(u32, src_ipv4,
+ src_ipv4_src_ipv6.ipv4_layout.ipv4);
+ MASK_VAL_L2_BE(u32, dst_ipv4,
+ dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
+
+ PRINT_MASKED_VALP(src_ipv4, typeof(&src_ipv4.v), p,
+ "%pI4");
+ PRINT_MASKED_VALP(dst_ipv4, typeof(&dst_ipv4.v), p,
+ "%pI4");
+ } else if (ethertype.v == ETH_P_IPV6) {
+ static const struct in6_addr full_ones = {
+ .in6_u.u6_addr32 = {htonl(0xffffffff),
+ htonl(0xffffffff),
+ htonl(0xffffffff),
+ htonl(0xffffffff)},
+ };
+ DECLARE_MASK_VAL(struct in6_addr, src_ipv6);
+ DECLARE_MASK_VAL(struct in6_addr, dst_ipv6);
+
+ memcpy(src_ipv6.m.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
+ src_ipv4_src_ipv6.ipv6_layout.ipv6),
+ sizeof(src_ipv6.m));
+ memcpy(dst_ipv6.m.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
+ dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
+ sizeof(dst_ipv6.m));
+ memcpy(src_ipv6.v.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
+ src_ipv4_src_ipv6.ipv6_layout.ipv6),
+ sizeof(src_ipv6.v));
+ memcpy(dst_ipv6.v.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
+ dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
+ sizeof(dst_ipv6.v));
+
+ if (!memcmp(&src_ipv6.m, &full_ones, sizeof(full_ones)))
+ trace_seq_printf(p, "src_ipv6=%pI6 ",
+ &src_ipv6.v);
+ if (!memcmp(&dst_ipv6.m, &full_ones, sizeof(full_ones)))
+ trace_seq_printf(p, "dst_ipv6=%pI6 ",
+ &dst_ipv6.v);
+ }
+ }
+
+#define PRINT_MASKED_VAL_L2(type, name, fld, p, format) {\
+ MASK_VAL_L2(type, name, fld); \
+ PRINT_MASKED_VAL(name, p, format); \
+}
+
+ PRINT_MASKED_VAL_L2(u8, ip_protocol, ip_protocol, p, "%02x");
+ PRINT_MASKED_VAL_L2(u16, tcp_flags, tcp_flags, p, "%x");
+ PRINT_MASKED_VAL_L2(u16, tcp_sport, tcp_sport, p, "%u");
+ PRINT_MASKED_VAL_L2(u16, tcp_dport, tcp_dport, p, "%u");
+ PRINT_MASKED_VAL_L2(u16, udp_sport, udp_sport, p, "%u");
+ PRINT_MASKED_VAL_L2(u16, udp_dport, udp_dport, p, "%u");
+ PRINT_MASKED_VAL_L2(u16, first_vid, first_vid, p, "%04x");
+ PRINT_MASKED_VAL_L2(u8, first_prio, first_prio, p, "%x");
+ PRINT_MASKED_VAL_L2(u8, first_cfi, first_cfi, p, "%d");
+ PRINT_MASKED_VAL_L2(u8, ip_dscp, ip_dscp, p, "%02x");
+ PRINT_MASKED_VAL_L2(u8, ip_ecn, ip_ecn, p, "%x");
+ PRINT_MASKED_VAL_L2(u8, cvlan_tag, cvlan_tag, p, "%d");
+ PRINT_MASKED_VAL_L2(u8, svlan_tag, svlan_tag, p, "%d");
+ PRINT_MASKED_VAL_L2(u8, frag, frag, p, "%d");
+}
+
+static void print_misc_parameters_hdrs(struct trace_seq *p,
+ const u32 *mask, const u32 *value)
+{
+#define MASK_VAL_MISC(type, name, fld) \
+ MASK_VAL(type, fte_match_set_misc, name, mask, value, fld)
+#define PRINT_MASKED_VAL_MISC(type, name, fld, p, format) {\
+ MASK_VAL_MISC(type, name, fld); \
+ PRINT_MASKED_VAL(name, p, format); \
+}
+ DECLARE_MASK_VAL(u64, gre_key) = {
+ .m = MLX5_GET(fte_match_set_misc, mask, gre_key_h) << 8 |
+ MLX5_GET(fte_match_set_misc, mask, gre_key_l),
+ .v = MLX5_GET(fte_match_set_misc, value, gre_key_h) << 8 |
+ MLX5_GET(fte_match_set_misc, value, gre_key_l)};
+
+ PRINT_MASKED_VAL(gre_key, p, "%llu");
+ PRINT_MASKED_VAL_MISC(u32, source_sqn, source_sqn, p, "%u");
+ PRINT_MASKED_VAL_MISC(u16, source_port, source_port, p, "%u");
+ PRINT_MASKED_VAL_MISC(u8, outer_second_prio, outer_second_prio,
+ p, "%u");
+ PRINT_MASKED_VAL_MISC(u8, outer_second_cfi, outer_second_cfi, p, "%u");
+ PRINT_MASKED_VAL_MISC(u16, outer_second_vid, outer_second_vid, p, "%u");
+ PRINT_MASKED_VAL_MISC(u8, inner_second_prio, inner_second_prio,
+ p, "%u");
+ PRINT_MASKED_VAL_MISC(u8, inner_second_cfi, inner_second_cfi, p, "%u");
+ PRINT_MASKED_VAL_MISC(u16, inner_second_vid, inner_second_vid, p, "%u");
+
+ PRINT_MASKED_VAL_MISC(u8, outer_second_cvlan_tag,
+ outer_second_cvlan_tag, p, "%u");
+ PRINT_MASKED_VAL_MISC(u8, inner_second_cvlan_tag,
+ inner_second_cvlan_tag, p, "%u");
+ PRINT_MASKED_VAL_MISC(u8, outer_second_svlan_tag,
+ outer_second_svlan_tag, p, "%u");
+ PRINT_MASKED_VAL_MISC(u8, inner_second_svlan_tag,
+ inner_second_svlan_tag, p, "%u");
+
+ PRINT_MASKED_VAL_MISC(u8, gre_protocol, gre_protocol, p, "%u");
+
+ PRINT_MASKED_VAL_MISC(u32, vxlan_vni, vxlan_vni, p, "%u");
+ PRINT_MASKED_VAL_MISC(u32, outer_ipv6_flow_label, outer_ipv6_flow_label,
+ p, "%x");
+ PRINT_MASKED_VAL_MISC(u32, inner_ipv6_flow_label, inner_ipv6_flow_label,
+ p, "%x");
+}
+
+const char *parse_fs_hdrs(struct trace_seq *p,
+ u8 match_criteria_enable,
+ const u32 *mask_outer,
+ const u32 *mask_misc,
+ const u32 *mask_inner,
+ const u32 *value_outer,
+ const u32 *value_misc,
+ const u32 *value_inner)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ if (match_criteria_enable &
+ 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_OUTER_HEADERS) {
+ trace_seq_printf(p, "[outer] ");
+ print_lyr_2_4_hdrs(p, mask_outer, value_outer);
+ }
+
+ if (match_criteria_enable &
+ 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS) {
+ trace_seq_printf(p, "[misc] ");
+ print_misc_parameters_hdrs(p, mask_misc, value_misc);
+ }
+ if (match_criteria_enable &
+ 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_INNER_HEADERS) {
+ trace_seq_printf(p, "[inner] ");
+ print_lyr_2_4_hdrs(p, mask_inner, value_inner);
+ }
+ trace_seq_putc(p, 0);
+ return ret;
+}
+
+const char *parse_fs_dst(struct trace_seq *p,
+ const struct mlx5_flow_destination *dst,
+ u32 counter_id)
+{
+ const char *ret = trace_seq_buffer_ptr(p);
+
+ switch (dst->type) {
+ case MLX5_FLOW_DESTINATION_TYPE_VPORT:
+ trace_seq_printf(p, "vport=%u\n", dst->vport_num);
+ break;
+ case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
+ trace_seq_printf(p, "ft=%p\n", dst->ft);
+ break;
+ case MLX5_FLOW_DESTINATION_TYPE_TIR:
+ trace_seq_printf(p, "tir=%u\n", dst->tir_num);
+ break;
+ case MLX5_FLOW_DESTINATION_TYPE_COUNTER:
+ trace_seq_printf(p, "counter_id=%u\n", counter_id);
+ break;
+ }
+
+ trace_seq_putc(p, 0);
+ return ret;
+}
+
+EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_add_fg);
+EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_del_fg);
+EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_set_fte);
+EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_del_fte);
+EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_add_rule);
+EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_del_rule);
+
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h
new file mode 100644
index 000000000000..1e3a6c3e4132
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) 2017, Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#if !defined(_MLX5_FS_TP_) || defined(TRACE_HEADER_MULTI_READ)
+#define _MLX5_FS_TP_
+
+#include <linux/tracepoint.h>
+#include <linux/trace_seq.h>
+#include "../fs_core.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mlx5
+
+#define __parse_fs_hdrs(match_criteria_enable, mouter, mmisc, minner, vouter, \
+ vinner, vmisc) \
+ parse_fs_hdrs(p, match_criteria_enable, mouter, mmisc, minner, vouter,\
+ vinner, vmisc)
+
+const char *parse_fs_hdrs(struct trace_seq *p,
+ u8 match_criteria_enable,
+ const u32 *mask_outer,
+ const u32 *mask_misc,
+ const u32 *mask_inner,
+ const u32 *value_outer,
+ const u32 *value_misc,
+ const u32 *value_inner);
+
+#define __parse_fs_dst(dst, counter_id) \
+ parse_fs_dst(p, (const struct mlx5_flow_destination *)dst, counter_id)
+
+const char *parse_fs_dst(struct trace_seq *p,
+ const struct mlx5_flow_destination *dst,
+ u32 counter_id);
+
+TRACE_EVENT(mlx5_fs_add_fg,
+ TP_PROTO(const struct mlx5_flow_group *fg),
+ TP_ARGS(fg),
+ TP_STRUCT__entry(
+ __field(const struct mlx5_flow_group *, fg)
+ __field(const struct mlx5_flow_table *, ft)
+ __field(u32, start_index)
+ __field(u32, end_index)
+ __field(u32, id)
+ __field(u8, mask_enable)
+ __array(u32, mask_outer, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
+ __array(u32, mask_inner, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
+ __array(u32, mask_misc, MLX5_ST_SZ_DW(fte_match_set_misc))
+ ),
+ TP_fast_assign(
+ __entry->fg = fg;
+ fs_get_obj(__entry->ft, fg->node.parent);
+ __entry->start_index = fg->start_index;
+ __entry->end_index = fg->start_index + fg->max_ftes;
+ __entry->id = fg->id;
+ __entry->mask_enable = fg->mask.match_criteria_enable;
+ memcpy(__entry->mask_outer,
+ MLX5_ADDR_OF(fte_match_param,
+ &fg->mask.match_criteria,
+ outer_headers),
+ sizeof(__entry->mask_outer));
+ memcpy(__entry->mask_inner,
+ MLX5_ADDR_OF(fte_match_param,
+ &fg->mask.match_criteria,
+ inner_headers),
+ sizeof(__entry->mask_inner));
+ memcpy(__entry->mask_misc,
+ MLX5_ADDR_OF(fte_match_param,
+ &fg->mask.match_criteria,
+ misc_parameters),
+ sizeof(__entry->mask_misc));
+
+ ),
+ TP_printk("fg=%p ft=%p id=%u start=%u end=%u bit_mask=%02x %s\n",
+ __entry->fg, __entry->ft, __entry->id,
+ __entry->start_index, __entry->end_index,
+ __entry->mask_enable,
+ __parse_fs_hdrs(__entry->mask_enable,
+ __entry->mask_outer,
+ __entry->mask_misc,
+ __entry->mask_inner,
+ __entry->mask_outer,
+ __entry->mask_misc,
+ __entry->mask_inner))
+ );
+
+TRACE_EVENT(mlx5_fs_del_fg,
+ TP_PROTO(const struct mlx5_flow_group *fg),
+ TP_ARGS(fg),
+ TP_STRUCT__entry(
+ __field(const struct mlx5_flow_group *, fg)
+ __field(u32, id)
+ ),
+ TP_fast_assign(
+ __entry->fg = fg;
+ __entry->id = fg->id;
+
+ ),
+ TP_printk("fg=%p id=%u\n",
+ __entry->fg, __entry->id)
+ );
+
+#define ACTION_FLAGS \
+ {MLX5_FLOW_CONTEXT_ACTION_ALLOW, "ALLOW"},\
+ {MLX5_FLOW_CONTEXT_ACTION_DROP, "DROP"},\
+ {MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, "FWD"},\
+ {MLX5_FLOW_CONTEXT_ACTION_COUNT, "CNT"},\
+ {MLX5_FLOW_CONTEXT_ACTION_ENCAP, "ENCAP"},\
+ {MLX5_FLOW_CONTEXT_ACTION_DECAP, "DECAP"},\
+ {MLX5_FLOW_CONTEXT_ACTION_MOD_HDR, "MOD_HDR"},\
+ {MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO, "NEXT_PRIO"}
+
+TRACE_EVENT(mlx5_fs_set_fte,
+ TP_PROTO(const struct fs_fte *fte, bool new_fte),
+ TP_ARGS(fte, new_fte),
+ TP_STRUCT__entry(
+ __field(const struct fs_fte *, fte)
+ __field(const struct mlx5_flow_group *, fg)
+ __field(u32, group_index)
+ __field(u32, index)
+ __field(u32, action)
+ __field(u32, flow_tag)
+ __field(u8, mask_enable)
+ __field(bool, new_fte)
+ __array(u32, mask_outer, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
+ __array(u32, mask_inner, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
+ __array(u32, mask_misc, MLX5_ST_SZ_DW(fte_match_set_misc))
+ __array(u32, value_outer, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
+ __array(u32, value_inner, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
+ __array(u32, value_misc, MLX5_ST_SZ_DW(fte_match_set_misc))
+ ),
+ TP_fast_assign(
+ __entry->fte = fte;
+ __entry->new_fte = new_fte;
+ fs_get_obj(__entry->fg, fte->node.parent);
+ __entry->group_index = __entry->fg->id;
+ __entry->index = fte->index;
+ __entry->action = fte->action;
+ __entry->mask_enable = __entry->fg->mask.match_criteria_enable;
+ __entry->flow_tag = fte->flow_tag;
+ memcpy(__entry->mask_outer,
+ MLX5_ADDR_OF(fte_match_param,
+ &__entry->fg->mask.match_criteria,
+ outer_headers),
+ sizeof(__entry->mask_outer));
+ memcpy(__entry->mask_inner,
+ MLX5_ADDR_OF(fte_match_param,
+ &__entry->fg->mask.match_criteria,
+ inner_headers),
+ sizeof(__entry->mask_inner));
+ memcpy(__entry->mask_misc,
+ MLX5_ADDR_OF(fte_match_param,
+ &__entry->fg->mask.match_criteria,
+ misc_parameters),
+ sizeof(__entry->mask_misc));
+ memcpy(__entry->value_outer,
+ MLX5_ADDR_OF(fte_match_param,
+ &fte->val,
+ outer_headers),
+ sizeof(__entry->value_outer));
+ memcpy(__entry->value_inner,
+ MLX5_ADDR_OF(fte_match_param,
+ &fte->val,
+ inner_headers),
+ sizeof(__entry->value_inner));
+ memcpy(__entry->value_misc,
+ MLX5_ADDR_OF(fte_match_param,
+ &fte->val,
+ misc_parameters),
+ sizeof(__entry->value_misc));
+
+ ),
+ TP_printk("op=%s fte=%p fg=%p index=%u group_index=%u action=<%s> flow_tag=%x %s\n",
+ __entry->new_fte ? "add" : "set",
+ __entry->fte, __entry->fg, __entry->index,
+ __entry->group_index, __print_flags(__entry->action, "|",
+ ACTION_FLAGS),
+ __entry->flow_tag,
+ __parse_fs_hdrs(__entry->mask_enable,
+ __entry->mask_outer,
+ __entry->mask_misc,
+ __entry->mask_inner,
+ __entry->value_outer,
+ __entry->value_misc,
+ __entry->value_inner))
+ );
+
+TRACE_EVENT(mlx5_fs_del_fte,
+ TP_PROTO(const struct fs_fte *fte),
+ TP_ARGS(fte),
+ TP_STRUCT__entry(
+ __field(const struct fs_fte *, fte)
+ __field(u32, index)
+ ),
+ TP_fast_assign(
+ __entry->fte = fte;
+ __entry->index = fte->index;
+
+ ),
+ TP_printk("fte=%p index=%u\n",
+ __entry->fte, __entry->index)
+ );
+
+TRACE_EVENT(mlx5_fs_add_rule,
+ TP_PROTO(const struct mlx5_flow_rule *rule),
+ TP_ARGS(rule),
+ TP_STRUCT__entry(
+ __field(const struct mlx5_flow_rule *, rule)
+ __field(const struct fs_fte *, fte)
+ __field(u32, sw_action)
+ __field(u32, index)
+ __field(u32, counter_id)
+ __array(u8, destination, sizeof(struct mlx5_flow_destination))
+ ),
+ TP_fast_assign(
+ __entry->rule = rule;
+ fs_get_obj(__entry->fte, rule->node.parent);
+ __entry->index = __entry->fte->dests_size - 1;
+ __entry->sw_action = rule->sw_action;
+ memcpy(__entry->destination,
+ &rule->dest_attr,
+ sizeof(__entry->destination));
+ if (rule->dest_attr.type & MLX5_FLOW_DESTINATION_TYPE_COUNTER &&
+ rule->dest_attr.counter)
+ __entry->counter_id =
+ rule->dest_attr.counter->id;
+ ),
+ TP_printk("rule=%p fte=%p index=%u sw_action=<%s> [dst] %s\n",
+ __entry->rule, __entry->fte, __entry->index,
+ __print_flags(__entry->sw_action, "|", ACTION_FLAGS),
+ __parse_fs_dst(__entry->destination, __entry->counter_id))
+ );
+
+TRACE_EVENT(mlx5_fs_del_rule,
+ TP_PROTO(const struct mlx5_flow_rule *rule),
+ TP_ARGS(rule),
+ TP_STRUCT__entry(
+ __field(const struct mlx5_flow_rule *, rule)
+ __field(const struct fs_fte *, fte)
+ ),
+ TP_fast_assign(
+ __entry->rule = rule;
+ fs_get_obj(__entry->fte, rule->node.parent);
+ ),
+ TP_printk("rule=%p fte=%p\n",
+ __entry->rule, __entry->fte)
+ );
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ./diag
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE fs_tracepoint
+#include <trace/define_trace.h>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index c30cf6b4736f..0dd7e9caf150 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -254,8 +254,8 @@ static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, u8 *data)
pcie_perf_stats_desc64[i].format);
for (i = 0; i < NUM_PCIE_PERF_STALL_COUNTERS(priv); i++)
- strcpy(data + (idx++) * ETH_GSTRING_LEN,
- pcie_perf_stall_stats_desc[i].format);
+ strcpy(data + (idx++) * ETH_GSTRING_LEN,
+ pcie_perf_stall_stats_desc[i].format);
for (prio = 0; prio < NUM_PPORT_PRIO; prio++) {
for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index a08027b8f3ce..02da96f98352 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -188,8 +188,8 @@ static enum mlx5_dev_event port_subtype_event(u8 subtype)
static void eq_update_ci(struct mlx5_eq *eq, int arm)
{
__be32 __iomem *addr = eq->doorbell + (arm ? 0 : 2);
-
u32 val = (eq->cons_index & 0xffffff) | (eq->eqn << 24);
+
__raw_writel((__force u32)cpu_to_be32(val), addr);
/* We still want ordering, just not swabbing, so add a barrier */
mb();
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index 16b32f31d691..e0d0efd903bc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -263,7 +263,7 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
MLX5_SET(flow_context, in_flow_context, modify_header_id, fte->modify_id);
in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
match_value);
- memcpy(in_match_value, &fte->val, MLX5_ST_SZ_BYTES(fte_match_param));
+ memcpy(in_match_value, &fte->val, sizeof(fte->val));
in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
if (fte->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index e8690fe46bf2..d731d57a996a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -36,6 +36,7 @@
#include "mlx5_core.h"
#include "fs_core.h"
#include "fs_cmd.h"
+#include "diag/fs_tracepoint.h"
#define INIT_TREE_NODE_ARRAY_SIZE(...) (sizeof((struct init_tree_node[]){__VA_ARGS__}) /\
sizeof(struct init_tree_node))
@@ -150,6 +151,23 @@ enum fs_i_mutex_lock_class {
FS_MUTEX_CHILD
};
+static const struct rhashtable_params rhash_fte = {
+ .key_len = FIELD_SIZEOF(struct fs_fte, val),
+ .key_offset = offsetof(struct fs_fte, val),
+ .head_offset = offsetof(struct fs_fte, hash),
+ .automatic_shrinking = true,
+ .min_size = 1,
+};
+
+static const struct rhashtable_params rhash_fg = {
+ .key_len = FIELD_SIZEOF(struct mlx5_flow_group, mask),
+ .key_offset = offsetof(struct mlx5_flow_group, mask),
+ .head_offset = offsetof(struct mlx5_flow_group, hash),
+ .automatic_shrinking = true,
+ .min_size = 1,
+
+};
+
static void del_rule(struct fs_node *node);
static void del_flow_table(struct fs_node *node);
static void del_flow_group(struct fs_node *node);
@@ -255,71 +273,77 @@ static struct fs_prio *find_prio(struct mlx5_flow_namespace *ns,
return NULL;
}
-static bool masked_memcmp(void *mask, void *val1, void *val2, size_t size)
+static bool check_last_reserved(const u32 *match_criteria)
{
- unsigned int i;
+ char *match_criteria_reserved =
+ MLX5_ADDR_OF(fte_match_param, match_criteria, MLX5_FTE_MATCH_PARAM_RESERVED);
- for (i = 0; i < size; i++, mask++, val1++, val2++)
- if ((*((u8 *)val1) & (*(u8 *)mask)) !=
- ((*(u8 *)val2) & (*(u8 *)mask)))
- return false;
-
- return true;
+ return !match_criteria_reserved[0] &&
+ !memcmp(match_criteria_reserved, match_criteria_reserved + 1,
+ MLX5_FLD_SZ_BYTES(fte_match_param,
+ MLX5_FTE_MATCH_PARAM_RESERVED) - 1);
}
-static bool compare_match_value(struct mlx5_flow_group_mask *mask,
- void *fte_param1, void *fte_param2)
+static bool check_valid_mask(u8 match_criteria_enable, const u32 *match_criteria)
{
- if (mask->match_criteria_enable &
- 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_OUTER_HEADERS) {
- void *fte_match1 = MLX5_ADDR_OF(fte_match_param,
- fte_param1, outer_headers);
- void *fte_match2 = MLX5_ADDR_OF(fte_match_param,
- fte_param2, outer_headers);
- void *fte_mask = MLX5_ADDR_OF(fte_match_param,
- mask->match_criteria, outer_headers);
+ if (match_criteria_enable & ~(
+ (1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_OUTER_HEADERS) |
+ (1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS) |
+ (1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_INNER_HEADERS)))
+ return false;
- if (!masked_memcmp(fte_mask, fte_match1, fte_match2,
- MLX5_ST_SZ_BYTES(fte_match_set_lyr_2_4)))
+ if (!(match_criteria_enable &
+ 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_OUTER_HEADERS)) {
+ char *fg_type_mask = MLX5_ADDR_OF(fte_match_param,
+ match_criteria, outer_headers);
+
+ if (fg_type_mask[0] ||
+ memcmp(fg_type_mask, fg_type_mask + 1,
+ MLX5_ST_SZ_BYTES(fte_match_set_lyr_2_4) - 1))
return false;
}
- if (mask->match_criteria_enable &
- 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS) {
- void *fte_match1 = MLX5_ADDR_OF(fte_match_param,
- fte_param1, misc_parameters);
- void *fte_match2 = MLX5_ADDR_OF(fte_match_param,
- fte_param2, misc_parameters);
- void *fte_mask = MLX5_ADDR_OF(fte_match_param,
- mask->match_criteria, misc_parameters);
+ if (!(match_criteria_enable &
+ 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS)) {
+ char *fg_type_mask = MLX5_ADDR_OF(fte_match_param,
+ match_criteria, misc_parameters);
- if (!masked_memcmp(fte_mask, fte_match1, fte_match2,
- MLX5_ST_SZ_BYTES(fte_match_set_misc)))
+ if (fg_type_mask[0] ||
+ memcmp(fg_type_mask, fg_type_mask + 1,
+ MLX5_ST_SZ_BYTES(fte_match_set_misc) - 1))
return false;
}
- if (mask->match_criteria_enable &
- 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_INNER_HEADERS) {
- void *fte_match1 = MLX5_ADDR_OF(fte_match_param,
- fte_param1, inner_headers);
- void *fte_match2 = MLX5_ADDR_OF(fte_match_param,
- fte_param2, inner_headers);
- void *fte_mask = MLX5_ADDR_OF(fte_match_param,
- mask->match_criteria, inner_headers);
+ if (!(match_criteria_enable &
+ 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_INNER_HEADERS)) {
+ char *fg_type_mask = MLX5_ADDR_OF(fte_match_param,
+ match_criteria, inner_headers);
- if (!masked_memcmp(fte_mask, fte_match1, fte_match2,
- MLX5_ST_SZ_BYTES(fte_match_set_lyr_2_4)))
+ if (fg_type_mask[0] ||
+ memcmp(fg_type_mask, fg_type_mask + 1,
+ MLX5_ST_SZ_BYTES(fte_match_set_lyr_2_4) - 1))
return false;
}
- return true;
+
+ return check_last_reserved(match_criteria);
}
-static bool compare_match_criteria(u8 match_criteria_enable1,
- u8 match_criteria_enable2,
- void *mask1, void *mask2)
+static bool check_valid_spec(const struct mlx5_flow_spec *spec)
{
- return match_criteria_enable1 == match_criteria_enable2 &&
- !memcmp(mask1, mask2, MLX5_ST_SZ_BYTES(fte_match_param));
+ int i;
+
+ if (!check_valid_mask(spec->match_criteria_enable, spec->match_criteria)) {
+ pr_warn("mlx5_core: Match criteria given mismatches match_criteria_enable\n");
+ return false;
+ }
+
+ for (i = 0; i < MLX5_ST_SZ_DW_MATCH_PARAM; i++)
+ if (spec->match_value[i] & ~spec->match_criteria[i]) {
+ pr_warn("mlx5_core: match_value differs from match_criteria\n");
+ return false;
+ }
+
+ return check_last_reserved(spec->match_value);
}
static struct mlx5_flow_root_namespace *find_root(struct fs_node *node)
@@ -360,6 +384,8 @@ static void del_flow_table(struct fs_node *node)
err = mlx5_cmd_destroy_flow_table(dev, ft);
if (err)
mlx5_core_warn(dev, "flow steering can't destroy ft\n");
+ ida_destroy(&ft->fte_allocator);
+ rhltable_destroy(&ft->fgs_hash);
fs_get_obj(prio, ft->node.parent);
prio->num_ft--;
}
@@ -370,22 +396,16 @@ static void del_rule(struct fs_node *node)
struct mlx5_flow_table *ft;
struct mlx5_flow_group *fg;
struct fs_fte *fte;
- u32 *match_value;
int modify_mask;
struct mlx5_core_dev *dev = get_dev(node);
- int match_len = MLX5_ST_SZ_BYTES(fte_match_param);
int err;
bool update_fte = false;
- match_value = kvzalloc(match_len, GFP_KERNEL);
- if (!match_value)
- return;
-
fs_get_obj(rule, node);
fs_get_obj(fte, rule->node.parent);
fs_get_obj(fg, fte->node.parent);
- memcpy(match_value, fte->val, sizeof(fte->val));
fs_get_obj(ft, fg->node.parent);
+ trace_mlx5_fs_del_rule(rule);
list_del(&rule->node.list);
if (rule->sw_action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
mutex_lock(&rule->dest_attr.ft->lock);
@@ -414,7 +434,18 @@ out:
"%s can't del rule fg id=%d fte_index=%d\n",
__func__, fg->id, fte->index);
}
- kvfree(match_value);
+}
+
+static void destroy_fte(struct fs_fte *fte, struct mlx5_flow_group *fg)
+{
+ struct mlx5_flow_table *ft;
+ int ret;
+
+ ret = rhashtable_remove_fast(&fg->ftes_hash, &fte->hash, rhash_fte);
+ WARN_ON(ret);
+ fte->status = 0;
+ fs_get_obj(ft, fg->node.parent);
+ ida_simple_remove(&ft->fte_allocator, fte->index);
}
static void del_fte(struct fs_node *node)
@@ -428,6 +459,7 @@ static void del_fte(struct fs_node *node)
fs_get_obj(fte, node);
fs_get_obj(fg, fte->node.parent);
fs_get_obj(ft, fg->node.parent);
+ trace_mlx5_fs_del_fte(fte);
dev = get_dev(&ft->node);
err = mlx5_cmd_delete_fte(dev, ft,
@@ -437,8 +469,7 @@ static void del_fte(struct fs_node *node)
"flow steering can't delete fte in index %d of flow group id %d\n",
fte->index, fg->id);
- fte->status = 0;
- fg->num_ftes--;
+ destroy_fte(fte, fg);
}
static void del_flow_group(struct fs_node *node)
@@ -446,14 +477,21 @@ static void del_flow_group(struct fs_node *node)
struct mlx5_flow_group *fg;
struct mlx5_flow_table *ft;
struct mlx5_core_dev *dev;
+ int err;
fs_get_obj(fg, node);
fs_get_obj(ft, fg->node.parent);
dev = get_dev(&ft->node);
+ trace_mlx5_fs_del_fg(fg);
if (ft->autogroup.active)
ft->autogroup.num_groups--;
+ rhashtable_destroy(&fg->ftes_hash);
+ err = rhltable_remove(&ft->fgs_hash,
+ &fg->hash,
+ rhash_fg);
+ WARN_ON(err);
if (mlx5_cmd_destroy_flow_group(dev, ft, fg->id))
mlx5_core_warn(dev, "flow steering can't destroy fg %d of ft %d\n",
fg->id, ft->id);
@@ -488,10 +526,17 @@ static struct mlx5_flow_group *alloc_flow_group(u32 *create_fg_in)
u8 match_criteria_enable = MLX5_GET(create_flow_group_in,
create_fg_in,
match_criteria_enable);
+ int ret;
+
fg = kzalloc(sizeof(*fg), GFP_KERNEL);
if (!fg)
return ERR_PTR(-ENOMEM);
+ ret = rhashtable_init(&fg->ftes_hash, &rhash_fte);
+ if (ret) {
+ kfree(fg);
+ return ERR_PTR(ret);
+ }
fg->mask.match_criteria_enable = match_criteria_enable;
memcpy(&fg->mask.match_criteria, match_criteria,
sizeof(fg->mask.match_criteria));
@@ -509,10 +554,17 @@ static struct mlx5_flow_table *alloc_flow_table(int level, u16 vport, int max_ft
u32 flags)
{
struct mlx5_flow_table *ft;
+ int ret;
ft = kzalloc(sizeof(*ft), GFP_KERNEL);
if (!ft)
- return NULL;
+ return ERR_PTR(-ENOMEM);
+
+ ret = rhltable_init(&ft->fgs_hash, &rhash_fg);
+ if (ret) {
+ kfree(ft);
+ return ERR_PTR(ret);
+ }
ft->level = level;
ft->node.type = FS_TYPE_FLOW_TABLE;
@@ -523,6 +575,7 @@ static struct mlx5_flow_table *alloc_flow_table(int level, u16 vport, int max_ft
ft->flags = flags;
INIT_LIST_HEAD(&ft->fwd_rules);
mutex_init(&ft->lock);
+ ida_init(&ft->fte_allocator);
return ft;
}
@@ -812,8 +865,8 @@ static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespa
ft_attr->max_fte ? roundup_pow_of_two(ft_attr->max_fte) : 0,
root->table_type,
op_mod, ft_attr->flags);
- if (!ft) {
- err = -ENOMEM;
+ if (IS_ERR(ft)) {
+ err = PTR_ERR(ft);
goto unlock_root;
}
@@ -839,6 +892,7 @@ static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespa
destroy_ft:
mlx5_cmd_destroy_flow_table(root->dev, ft);
free_ft:
+ ida_destroy(&ft->fte_allocator);
kfree(ft);
unlock_root:
mutex_unlock(&root->chain_lock);
@@ -924,11 +978,13 @@ static struct mlx5_flow_group *create_flow_group_common(struct mlx5_flow_table *
if (IS_ERR(fg))
return fg;
+ err = rhltable_insert(&ft->fgs_hash, &fg->hash, rhash_fg);
+ if (err)
+ goto err_free_fg;
+
err = mlx5_cmd_create_flow_group(dev, ft, fg_in, &fg->id);
- if (err) {
- kfree(fg);
- return ERR_PTR(err);
- }
+ if (err)
+ goto err_remove_fg;
if (ft->autogroup.active)
ft->autogroup.num_groups++;
@@ -938,14 +994,33 @@ static struct mlx5_flow_group *create_flow_group_common(struct mlx5_flow_table *
/* Add node to group list */
list_add(&fg->node.list, prev_fg);
+ trace_mlx5_fs_add_fg(fg);
return fg;
+
+err_remove_fg:
+ WARN_ON(rhltable_remove(&ft->fgs_hash,
+ &fg->hash,
+ rhash_fg));
+err_free_fg:
+ rhashtable_destroy(&fg->ftes_hash);
+ kfree(fg);
+
+ return ERR_PTR(err);
}
struct mlx5_flow_group *mlx5_create_flow_group(struct mlx5_flow_table *ft,
u32 *fg_in)
{
+ void *match_criteria = MLX5_ADDR_OF(create_flow_group_in,
+ fg_in, match_criteria);
+ u8 match_criteria_enable = MLX5_GET(create_flow_group_in,
+ fg_in,
+ match_criteria_enable);
struct mlx5_flow_group *fg;
+ if (!check_valid_mask(match_criteria_enable, match_criteria))
+ return ERR_PTR(-EINVAL);
+
if (ft->autogroup.active)
return ERR_PTR(-EPERM);
@@ -1102,43 +1177,38 @@ free_handle:
return ERR_PTR(err);
}
-/* Assumed fg is locked */
-static unsigned int get_free_fte_index(struct mlx5_flow_group *fg,
- struct list_head **prev)
-{
- struct fs_fte *fte;
- unsigned int start = fg->start_index;
-
- if (prev)
- *prev = &fg->node.children;
-
- /* assumed list is sorted by index */
- fs_for_each_fte(fte, fg) {
- if (fte->index != start)
- return start;
- start++;
- if (prev)
- *prev = &fte->node.list;
- }
-
- return start;
-}
-
-/* prev is output, prev->next = new_fte */
static struct fs_fte *create_fte(struct mlx5_flow_group *fg,
u32 *match_value,
- struct mlx5_flow_act *flow_act,
- struct list_head **prev)
+ struct mlx5_flow_act *flow_act)
{
+ struct mlx5_flow_table *ft;
struct fs_fte *fte;
int index;
+ int ret;
+
+ fs_get_obj(ft, fg->node.parent);
+ index = ida_simple_get(&ft->fte_allocator, fg->start_index,
+ fg->start_index + fg->max_ftes,
+ GFP_KERNEL);
+ if (index < 0)
+ return ERR_PTR(index);
- index = get_free_fte_index(fg, prev);
fte = alloc_fte(flow_act, match_value, index);
- if (IS_ERR(fte))
- return fte;
+ if (IS_ERR(fte)) {
+ ret = PTR_ERR(fte);
+ goto err_alloc;
+ }
+ ret = rhashtable_insert_fast(&fg->ftes_hash, &fte->hash, rhash_fte);
+ if (ret)
+ goto err_hash;
return fte;
+
+err_hash:
+ kfree(fte);
+err_alloc:
+ ida_simple_remove(&ft->fte_allocator, index);
+ return ERR_PTR(ret);
}
static struct mlx5_flow_group *create_autogroup(struct mlx5_flow_table *ft,
@@ -1226,79 +1296,104 @@ static struct mlx5_flow_rule *find_flow_rule(struct fs_fte *fte,
return NULL;
}
+static bool check_conflicting_actions(u32 action1, u32 action2)
+{
+ u32 xored_actions = action1 ^ action2;
+
+ /* if one rule only wants to count, it's ok */
+ if (action1 == MLX5_FLOW_CONTEXT_ACTION_COUNT ||
+ action2 == MLX5_FLOW_CONTEXT_ACTION_COUNT)
+ return false;
+
+ if (xored_actions & (MLX5_FLOW_CONTEXT_ACTION_DROP |
+ MLX5_FLOW_CONTEXT_ACTION_ENCAP |
+ MLX5_FLOW_CONTEXT_ACTION_DECAP))
+ return true;
+
+ return false;
+}
+
+static int check_conflicting_ftes(struct fs_fte *fte, const struct mlx5_flow_act *flow_act)
+{
+ if (check_conflicting_actions(flow_act->action, fte->action)) {
+ mlx5_core_warn(get_dev(&fte->node),
+ "Found two FTEs with conflicting actions\n");
+ return -EEXIST;
+ }
+
+ if (fte->flow_tag != flow_act->flow_tag) {
+ mlx5_core_warn(get_dev(&fte->node),
+ "FTE flow tag %u already exists with different flow tag %u\n",
+ fte->flow_tag,
+ flow_act->flow_tag);
+ return -EEXIST;
+ }
+
+ return 0;
+}
+
static struct mlx5_flow_handle *add_rule_fg(struct mlx5_flow_group *fg,
u32 *match_value,
struct mlx5_flow_act *flow_act,
struct mlx5_flow_destination *dest,
- int dest_num)
+ int dest_num,
+ struct fs_fte *fte)
{
struct mlx5_flow_handle *handle;
struct mlx5_flow_table *ft;
- struct list_head *prev;
- struct fs_fte *fte;
int i;
- nested_lock_ref_node(&fg->node, FS_MUTEX_PARENT);
- fs_for_each_fte(fte, fg) {
+ if (fte) {
+ int old_action;
+ int ret;
+
nested_lock_ref_node(&fte->node, FS_MUTEX_CHILD);
- if (compare_match_value(&fg->mask, match_value, &fte->val) &&
- (flow_act->action & fte->action)) {
- int old_action = fte->action;
-
- if (fte->flow_tag != flow_act->flow_tag) {
- mlx5_core_warn(get_dev(&fte->node),
- "FTE flow tag %u already exists with different flow tag %u\n",
- fte->flow_tag,
- flow_act->flow_tag);
- handle = ERR_PTR(-EEXIST);
- goto unlock_fte;
- }
+ ret = check_conflicting_ftes(fte, flow_act);
+ if (ret) {
+ handle = ERR_PTR(ret);
+ goto unlock_fte;
+ }
- fte->action |= flow_act->action;
- handle = add_rule_fte(fte, fg, dest, dest_num,
- old_action != flow_act->action);
- if (IS_ERR(handle)) {
- fte->action = old_action;
- goto unlock_fte;
- } else {
- goto add_rules;
- }
+ old_action = fte->action;
+ fte->action |= flow_act->action;
+ handle = add_rule_fte(fte, fg, dest, dest_num,
+ old_action != flow_act->action);
+ if (IS_ERR(handle)) {
+ fte->action = old_action;
+ goto unlock_fte;
+ } else {
+ trace_mlx5_fs_set_fte(fte, false);
+ goto add_rules;
}
- unlock_ref_node(&fte->node);
}
fs_get_obj(ft, fg->node.parent);
- if (fg->num_ftes >= fg->max_ftes) {
- handle = ERR_PTR(-ENOSPC);
- goto unlock_fg;
- }
- fte = create_fte(fg, match_value, flow_act, &prev);
- if (IS_ERR(fte)) {
- handle = (void *)fte;
- goto unlock_fg;
- }
+ fte = create_fte(fg, match_value, flow_act);
+ if (IS_ERR(fte))
+ return (void *)fte;
tree_init_node(&fte->node, 0, del_fte);
nested_lock_ref_node(&fte->node, FS_MUTEX_CHILD);
handle = add_rule_fte(fte, fg, dest, dest_num, false);
if (IS_ERR(handle)) {
unlock_ref_node(&fte->node);
+ destroy_fte(fte, fg);
kfree(fte);
- goto unlock_fg;
+ return handle;
}
- fg->num_ftes++;
-
tree_add_node(&fte->node, &fg->node);
- list_add(&fte->node.list, prev);
+ /* fte list isn't sorted */
+ list_add_tail(&fte->node.list, &fg->node.children);
+ trace_mlx5_fs_set_fte(fte, true);
add_rules:
for (i = 0; i < handle->num_rules; i++) {
- if (atomic_read(&handle->rule[i]->node.refcount) == 1)
+ if (atomic_read(&handle->rule[i]->node.refcount) == 1) {
tree_add_node(&handle->rule[i]->node, &fte->node);
+ trace_mlx5_fs_add_rule(handle->rule[i]);
+ }
}
unlock_fte:
unlock_ref_node(&fte->node);
-unlock_fg:
- unlock_ref_node(&fg->node);
return handle;
}
@@ -1347,6 +1442,96 @@ static bool dest_is_valid(struct mlx5_flow_destination *dest,
}
static struct mlx5_flow_handle *
+try_add_to_existing_fg(struct mlx5_flow_table *ft,
+ struct mlx5_flow_spec *spec,
+ struct mlx5_flow_act *flow_act,
+ struct mlx5_flow_destination *dest,
+ int dest_num)
+{
+ struct mlx5_flow_group *g;
+ struct mlx5_flow_handle *rule = ERR_PTR(-ENOENT);
+ struct rhlist_head *tmp, *list;
+ struct match_list {
+ struct list_head list;
+ struct mlx5_flow_group *g;
+ } match_list, *iter;
+ LIST_HEAD(match_head);
+
+ rcu_read_lock();
+ /* Collect all fgs which has a matching match_criteria */
+ list = rhltable_lookup(&ft->fgs_hash, spec, rhash_fg);
+ rhl_for_each_entry_rcu(g, tmp, list, hash) {
+ struct match_list *curr_match;
+
+ if (likely(list_empty(&match_head))) {
+ match_list.g = g;
+ list_add_tail(&match_list.list, &match_head);
+ continue;
+ }
+ curr_match = kmalloc(sizeof(*curr_match), GFP_ATOMIC);
+
+ if (!curr_match) {
+ rcu_read_unlock();
+ rule = ERR_PTR(-ENOMEM);
+ goto free_list;
+ }
+ curr_match->g = g;
+ list_add_tail(&curr_match->list, &match_head);
+ }
+ rcu_read_unlock();
+
+ /* Try to find a fg that already contains a matching fte */
+ list_for_each_entry(iter, &match_head, list) {
+ struct fs_fte *fte;
+
+ g = iter->g;
+ nested_lock_ref_node(&g->node, FS_MUTEX_PARENT);
+ fte = rhashtable_lookup_fast(&g->ftes_hash, spec->match_value,
+ rhash_fte);
+ if (fte) {
+ rule = add_rule_fg(g, spec->match_value,
+ flow_act, dest, dest_num, fte);
+ unlock_ref_node(&g->node);
+ goto free_list;
+ }
+ unlock_ref_node(&g->node);
+ }
+
+ /* No group with matching fte found. Try to add a new fte to any
+ * matching fg.
+ */
+ list_for_each_entry(iter, &match_head, list) {
+ g = iter->g;
+
+ nested_lock_ref_node(&g->node, FS_MUTEX_PARENT);
+ rule = add_rule_fg(g, spec->match_value,
+ flow_act, dest, dest_num, NULL);
+ if (!IS_ERR(rule) || PTR_ERR(rule) != -ENOSPC) {
+ unlock_ref_node(&g->node);
+ goto free_list;
+ }
+ unlock_ref_node(&g->node);
+ }
+
+free_list:
+ if (!list_empty(&match_head)) {
+ struct match_list *match_tmp;
+
+ /* The most common case is having one FG. Since we want to
+ * optimize this case, we save the first on the stack.
+ * Therefore, no need to free it.
+ */
+ list_del(&list_first_entry(&match_head, typeof(*iter), list)->list);
+ list_for_each_entry_safe(iter, match_tmp, &match_head, list) {
+ list_del(&iter->list);
+ kfree(iter);
+ }
+ }
+
+ return rule;
+}
+
+static struct mlx5_flow_handle *
_mlx5_add_flow_rules(struct mlx5_flow_table *ft,
struct mlx5_flow_spec *spec,
struct mlx5_flow_act *flow_act,
@@ -1358,22 +1543,18 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft,
struct mlx5_flow_handle *rule;
int i;
+ if (!check_valid_spec(spec))
+ return ERR_PTR(-EINVAL);
+
for (i = 0; i < dest_num; i++) {
if (!dest_is_valid(&dest[i], flow_act->action, ft))
return ERR_PTR(-EINVAL);
}
nested_lock_ref_node(&ft->node, FS_MUTEX_GRANDPARENT);
- fs_for_each_fg(g, ft)
- if (compare_match_criteria(g->mask.match_criteria_enable,
- spec->match_criteria_enable,
- g->mask.match_criteria,
- spec->match_criteria)) {
- rule = add_rule_fg(g, spec->match_value,
- flow_act, dest, dest_num);
- if (!IS_ERR(rule) || PTR_ERR(rule) != -ENOSPC)
- goto unlock;
- }
+ rule = try_add_to_existing_fg(ft, spec, flow_act, dest, dest_num);
+ if (!IS_ERR(rule))
+ goto unlock;
g = create_autogroup(ft, spec->match_criteria_enable,
spec->match_criteria);
@@ -1382,7 +1563,8 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft,
goto unlock;
}
- rule = add_rule_fg(g, spec->match_value, flow_act, dest, dest_num);
+ rule = add_rule_fg(g, spec->match_value, flow_act, dest,
+ dest_num, NULL);
if (IS_ERR(rule)) {
/* Remove assumes refcount > 0 and autogroup creates a group
* with a refcount = 0.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
index 9fb5a333df52..5509a752f98e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
@@ -34,6 +34,7 @@
#define _MLX5_FS_CORE_
#include <linux/mlx5/fs.h>
+#include <linux/rhashtable.h>
enum fs_node_type {
FS_TYPE_NAMESPACE,
@@ -118,6 +119,8 @@ struct mlx5_flow_table {
/* FWD rules that point on this flow table */
struct list_head fwd_rules;
u32 flags;
+ struct ida fte_allocator;
+ struct rhltable fgs_hash;
};
struct mlx5_fc_cache {
@@ -143,10 +146,22 @@ struct mlx5_fc {
struct mlx5_fc_cache cache ____cacheline_aligned_in_smp;
};
+#define MLX5_FTE_MATCH_PARAM_RESERVED reserved_at_600
+/* Calculate the fte_match_param length and without the reserved length.
+ * Make sure the reserved field is the last.
+ */
+#define MLX5_ST_SZ_DW_MATCH_PARAM \
+ ((MLX5_BYTE_OFF(fte_match_param, MLX5_FTE_MATCH_PARAM_RESERVED) / sizeof(u32)) + \
+ BUILD_BUG_ON_ZERO(MLX5_ST_SZ_BYTES(fte_match_param) != \
+ MLX5_FLD_SZ_BYTES(fte_match_param, \
+ MLX5_FTE_MATCH_PARAM_RESERVED) +\
+ MLX5_BYTE_OFF(fte_match_param, \
+ MLX5_FTE_MATCH_PARAM_RESERVED)))
+
/* Type of children is mlx5_flow_rule */
struct fs_fte {
struct fs_node node;
- u32 val[MLX5_ST_SZ_DW(fte_match_param)];
+ u32 val[MLX5_ST_SZ_DW_MATCH_PARAM];
u32 dests_size;
u32 flow_tag;
u32 index;
@@ -155,6 +170,7 @@ struct fs_fte {
u32 modify_id;
enum fs_fte_status status;
struct mlx5_fc *counter;
+ struct rhash_head hash;
};
/* Type of children is mlx5_flow_table/namespace */
@@ -174,7 +190,7 @@ struct mlx5_flow_namespace {
struct mlx5_flow_group_mask {
u8 match_criteria_enable;
- u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
+ u32 match_criteria[MLX5_ST_SZ_DW_MATCH_PARAM];
};
/* Type of children is fs_fte */
@@ -183,8 +199,9 @@ struct mlx5_flow_group {
struct mlx5_flow_group_mask mask;
u32 start_index;
u32 max_ftes;
- u32 num_ftes;
u32 id;
+ struct rhashtable ftes_hash;
+ struct rhlist_head hash;
};
struct mlx5_flow_root_namespace {