From 31e33a5b41bb158f27c30e13b12d6e5e6513ea05 Mon Sep 17 00:00:00 2001 From: Jann Horn Date: Fri, 6 Jul 2018 22:18:09 +0200 Subject: net/mlx5: fix uaccess beyond "count" in debugfs read/write handlers In general, accessing userspace memory beyond the length of the supplied buffer in VFS read/write handlers can lead to both kernel memory corruption (via kernel_read()/kernel_write(), which can e.g. be triggered via sys_splice()) and privilege escalation inside userspace. In this case, the affected files are in debugfs (and should therefore only be accessible to root) and check that *pos is zero (which prevents the sys_splice() trick). Therefore, this is not a security fix, but rather a small cleanup. For the read handlers, fix it by using simple_read_from_buffer() instead of custom logic. For the write handler, add a check. changed in v2: - also fix dbg_write() Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters") Signed-off-by: Jann Horn Reviewed-by: Leon Romanovsky Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 28 ++++++----------------- drivers/net/ethernet/mellanox/mlx5/core/debugfs.c | 22 ++---------------- 2 files changed, 9 insertions(+), 41 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 3cb629e9f27c..a94955302482 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -1032,7 +1032,10 @@ static ssize_t dbg_write(struct file *filp, const char __user *buf, if (!dbg->in_msg || !dbg->out_msg) return -ENOMEM; - if (copy_from_user(lbuf, buf, sizeof(lbuf))) + if (count < sizeof(lbuf) - 1) + return -EINVAL; + + if (copy_from_user(lbuf, buf, sizeof(lbuf) - 1)) return -EFAULT; lbuf[sizeof(lbuf) - 1] = 0; @@ -1236,21 +1239,12 @@ static ssize_t data_read(struct file *filp, char __user *buf, size_t count, { struct mlx5_core_dev *dev = filp->private_data; struct mlx5_cmd_debug *dbg = &dev->cmd.dbg; - int copy; - - if (*pos) - return 0; if (!dbg->out_msg) return -ENOMEM; - copy = min_t(int, count, dbg->outlen); - if (copy_to_user(buf, dbg->out_msg, copy)) - return -EFAULT; - - *pos += copy; - - return copy; + return simple_read_from_buffer(buf, count, pos, dbg->out_msg, + dbg->outlen); } static const struct file_operations dfops = { @@ -1268,19 +1262,11 @@ static ssize_t outlen_read(struct file *filp, char __user *buf, size_t count, char outlen[8]; int err; - if (*pos) - return 0; - err = snprintf(outlen, sizeof(outlen), "%d", dbg->outlen); if (err < 0) return err; - if (copy_to_user(buf, &outlen, err)) - return -EFAULT; - - *pos += err; - - return err; + return simple_read_from_buffer(buf, count, pos, outlen, err); } static ssize_t outlen_write(struct file *filp, const char __user *buf, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c index 413080a312a7..90fabd612b6c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c @@ -150,22 +150,13 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count, int ret; char tbuf[22]; - if (*pos) - return 0; - stats = filp->private_data; spin_lock_irq(&stats->lock); if (stats->n) field = div64_u64(stats->sum, stats->n); spin_unlock_irq(&stats->lock); ret = snprintf(tbuf, sizeof(tbuf), "%llu\n", field); - if (ret > 0) { - if (copy_to_user(buf, tbuf, ret)) - return -EFAULT; - } - - *pos += ret; - return ret; + return simple_read_from_buffer(buf, count, pos, tbuf, ret); } static ssize_t average_write(struct file *filp, const char __user *buf, @@ -442,9 +433,6 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, u64 field; int ret; - if (*pos) - return 0; - desc = filp->private_data; d = (void *)(desc - desc->i) - sizeof(*d); switch (d->type) { @@ -470,13 +458,7 @@ static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, else ret = snprintf(tbuf, sizeof(tbuf), "0x%llx\n", field); - if (ret > 0) { - if (copy_to_user(buf, tbuf, ret)) - return -EFAULT; - } - - *pos += ret; - return ret; + return simple_read_from_buffer(buf, count, pos, tbuf, ret); } static const struct file_operations fops = { -- cgit v1.2.3 From 8da6fe2a18505b9bd977e573d62d33f836c6903c Mon Sep 17 00:00:00 2001 From: Jianbo Liu Date: Mon, 16 Jul 2018 18:35:32 -0700 Subject: net/mlx5: Add core support for double vlan push/pop steering action As newer firmware supports double push/pop in a single FTE, we add core bits and extend vlan action logic for it. Signed-off-by: Jianbo Liu Reviewed-by: Or Gerlitz Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h | 2 ++ drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 6 +++--- drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c | 12 +++++++++--- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 4 +++- include/linux/mlx5/fs.h | 4 +++- include/linux/mlx5/mlx5_ifc.h | 11 +++++++++-- 6 files changed, 29 insertions(+), 10 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h index 09f178a3fcab..0240aee9189e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.h @@ -138,6 +138,8 @@ TRACE_EVENT(mlx5_fs_del_fg, {MLX5_FLOW_CONTEXT_ACTION_MOD_HDR, "MOD_HDR"},\ {MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH, "VLAN_PUSH"},\ {MLX5_FLOW_CONTEXT_ACTION_VLAN_POP, "VLAN_POP"},\ + {MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2, "VLAN_PUSH_2"},\ + {MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2, "VLAN_POP_2"},\ {MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO, "NEXT_PRIO"} TRACE_EVENT(mlx5_fs_set_fte, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index cecd201f0b73..8f50ce80ff66 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -70,9 +70,9 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, flow_act.action &= ~(MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH | MLX5_FLOW_CONTEXT_ACTION_VLAN_POP); else if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH) { - flow_act.vlan.ethtype = ntohs(attr->vlan_proto); - flow_act.vlan.vid = attr->vlan_vid; - flow_act.vlan.prio = attr->vlan_prio; + flow_act.vlan[0].ethtype = ntohs(attr->vlan_proto); + flow_act.vlan[0].vid = attr->vlan_vid; + flow_act.vlan[0].prio = attr->vlan_prio; } if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index 5a00deff5457..6a62b84e57f4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -349,9 +349,15 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev, vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan); - MLX5_SET(vlan, vlan, ethtype, fte->action.vlan.ethtype); - MLX5_SET(vlan, vlan, vid, fte->action.vlan.vid); - MLX5_SET(vlan, vlan, prio, fte->action.vlan.prio); + MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype); + MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid); + MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio); + + vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2); + + MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype); + MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid); + MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio); in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context, match_value); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 49a75d31185e..05e7a5112b74 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1464,7 +1464,9 @@ static bool check_conflicting_actions(u32 action1, u32 action2) MLX5_FLOW_CONTEXT_ACTION_DECAP | MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | MLX5_FLOW_CONTEXT_ACTION_VLAN_POP | - MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH)) + MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH | + MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2 | + MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2)) return true; return false; diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index 757b4a30281e..c40f2fc68655 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -152,6 +152,8 @@ struct mlx5_fs_vlan { u8 prio; }; +#define MLX5_FS_VLAN_DEPTH 2 + struct mlx5_flow_act { u32 action; bool has_flow_tag; @@ -159,7 +161,7 @@ struct mlx5_flow_act { u32 encap_id; u32 modify_id; uintptr_t esp_id; - struct mlx5_fs_vlan vlan; + struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; struct ib_counters *counters; }; diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 2de5feaeb74a..ae12120ef021 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -337,7 +337,10 @@ struct mlx5_ifc_flow_table_prop_layout_bits { u8 reserved_at_9[0x1]; u8 pop_vlan[0x1]; u8 push_vlan[0x1]; - u8 reserved_at_c[0x14]; + u8 reserved_at_c[0x1]; + u8 pop_vlan_2[0x1]; + u8 push_vlan_2[0x1]; + u8 reserved_at_f[0x11]; u8 reserved_at_20[0x2]; u8 log_max_ft_size[0x6]; @@ -2386,6 +2389,8 @@ enum { MLX5_FLOW_CONTEXT_ACTION_MOD_HDR = 0x40, MLX5_FLOW_CONTEXT_ACTION_VLAN_POP = 0x80, MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH = 0x100, + MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2 = 0x400, + MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2 = 0x800, }; struct mlx5_ifc_vlan_bits { @@ -2416,7 +2421,9 @@ struct mlx5_ifc_flow_context_bits { u8 modify_header_id[0x20]; - u8 reserved_at_100[0x100]; + struct mlx5_ifc_vlan_bits push_vlan_2; + + u8 reserved_at_120[0xe0]; struct mlx5_ifc_fte_match_param_bits match_value; -- cgit v1.2.3 From a451733909bcb78aeeecd3066a9411297b514a0f Mon Sep 17 00:00:00 2001 From: Max Gurtovoy Date: Mon, 16 Jul 2018 18:35:33 -0700 Subject: net/mlx5: Add XRQ commands definitions Update mlx5 command list and error return function to handle XRQ commands. Signed-off-by: Max Gurtovoy Reviewed-by: Daniel Jurgens Reviewed-by: Artemy Kovalyov Reviewed-by: Leon Romanovsky Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index a94955302482..10517b2a0643 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -278,6 +278,7 @@ static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, case MLX5_CMD_OP_DESTROY_PSV: case MLX5_CMD_OP_DESTROY_SRQ: case MLX5_CMD_OP_DESTROY_XRC_SRQ: + case MLX5_CMD_OP_DESTROY_XRQ: case MLX5_CMD_OP_DESTROY_DCT: case MLX5_CMD_OP_DEALLOC_Q_COUNTER: case MLX5_CMD_OP_DESTROY_SCHEDULING_ELEMENT: @@ -347,6 +348,9 @@ static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, case MLX5_CMD_OP_CREATE_XRC_SRQ: case MLX5_CMD_OP_QUERY_XRC_SRQ: case MLX5_CMD_OP_ARM_XRC_SRQ: + case MLX5_CMD_OP_CREATE_XRQ: + case MLX5_CMD_OP_QUERY_XRQ: + case MLX5_CMD_OP_ARM_XRQ: case MLX5_CMD_OP_CREATE_DCT: case MLX5_CMD_OP_DRAIN_DCT: case MLX5_CMD_OP_QUERY_DCT: @@ -601,6 +605,10 @@ const char *mlx5_command_str(int command) MLX5_COMMAND_STR_CASE(FPGA_QUERY_QP); MLX5_COMMAND_STR_CASE(FPGA_QUERY_QP_COUNTERS); MLX5_COMMAND_STR_CASE(FPGA_DESTROY_QP); + MLX5_COMMAND_STR_CASE(CREATE_XRQ); + MLX5_COMMAND_STR_CASE(DESTROY_XRQ); + MLX5_COMMAND_STR_CASE(QUERY_XRQ); + MLX5_COMMAND_STR_CASE(ARM_XRQ); MLX5_COMMAND_STR_CASE(CREATE_GENERAL_OBJECT); MLX5_COMMAND_STR_CASE(DESTROY_GENERAL_OBJECT); default: return "unknown command opcode"; -- cgit v1.2.3 From 0f4039104ee61e14ac4771a2181c2a20572f4ec9 Mon Sep 17 00:00:00 2001 From: Noa Osherovich Date: Mon, 16 Jul 2018 18:35:34 -0700 Subject: net/mlx5: Add missing SET_DRIVER_VERSION command translation When translating command opcodes to a string, SET_DRIVER_VERSION command was missing. Fixes: 42ca502e179d0 ('net/mlx5_core: Use a macro in mlx5_command_str()') Signed-off-by: Noa Osherovich Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 10517b2a0643..041c18faea46 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -458,6 +458,7 @@ const char *mlx5_command_str(int command) MLX5_COMMAND_STR_CASE(SET_HCA_CAP); MLX5_COMMAND_STR_CASE(QUERY_ISSI); MLX5_COMMAND_STR_CASE(SET_ISSI); + MLX5_COMMAND_STR_CASE(SET_DRIVER_VERSION); MLX5_COMMAND_STR_CASE(CREATE_MKEY); MLX5_COMMAND_STR_CASE(QUERY_MKEY); MLX5_COMMAND_STR_CASE(DESTROY_MKEY); -- cgit v1.2.3 From d34c6efc59a0d714920100b2eba9565bfdcc438d Mon Sep 17 00:00:00 2001 From: Roi Dayan Date: Mon, 16 Jul 2018 18:35:35 -0700 Subject: net/mlx5: Use ERR_CAST() instead of coding it This makes it more readable that rule is being used to return an err. Signed-off-by: Roi Dayan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 05e7a5112b74..29b86232f13a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1825,7 +1825,7 @@ search_again_locked: g = alloc_auto_flow_group(ft, spec); if (IS_ERR(g)) { - rule = (void *)g; + rule = ERR_CAST(g); up_write_ref_node(&ft->node); return rule; } -- cgit v1.2.3 From 048f31437ac5da336cf08e13f5fdc8add6a9bb16 Mon Sep 17 00:00:00 2001 From: Eran Ben Elisha Date: Mon, 16 Jul 2018 18:35:37 -0700 Subject: net/mlx5: Fix tristate and description for MLX5 module Current description did not include new devices. Fix that by proving the correct generic description. Signed-off-by: Eran Ben Elisha Signed-off-by: Saeed Mahameed --- drivers/infiniband/hw/mlx5/Kconfig | 2 +- drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 6 +++--- drivers/net/ethernet/mellanox/mlx5/core/main.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/net') diff --git a/drivers/infiniband/hw/mlx5/Kconfig b/drivers/infiniband/hw/mlx5/Kconfig index fb4d77be019b..0440966bc6ec 100644 --- a/drivers/infiniband/hw/mlx5/Kconfig +++ b/drivers/infiniband/hw/mlx5/Kconfig @@ -1,5 +1,5 @@ config MLX5_INFINIBAND - tristate "Mellanox Connect-IB HCA support" + tristate "Mellanox 5th generation network adapters (ConnectX series) support" depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE depends on INFINIBAND_USER_ACCESS || INFINIBAND_USER_ACCESS=n ---help--- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index 2545296a0c08..7a84dd07ced2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -3,7 +3,7 @@ # config MLX5_CORE - tristate "Mellanox Technologies ConnectX-4 and Connect-IB core driver" + tristate "Mellanox 5th generation network adapters (ConnectX series) core driver" depends on MAY_USE_DEVLINK depends on PCI imply PTP_1588_CLOCK @@ -27,7 +27,7 @@ config MLX5_FPGA sandbox-specific client drivers. config MLX5_CORE_EN - bool "Mellanox Technologies ConnectX-4 Ethernet support" + bool "Mellanox 5th generation network adapters (ConnectX series) Ethernet support" depends on NETDEVICES && ETHERNET && INET && PCI && MLX5_CORE depends on IPV6=y || IPV6=n || MLX5_CORE=m select PAGE_POOL @@ -69,7 +69,7 @@ config MLX5_CORE_EN_DCB If unsure, set to Y config MLX5_CORE_IPOIB - bool "Mellanox Technologies ConnectX-4 IPoIB offloads support" + bool "Mellanox 5th generation network adapters (connectX series) IPoIB offloads support" depends on MLX5_CORE_EN default n ---help--- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 615005e63819..f9b950e1bd85 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -64,7 +64,7 @@ #include "lib/clock.h" MODULE_AUTHOR("Eli Cohen "); -MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver"); +MODULE_DESCRIPTION("Mellanox 5th generation network adapters (ConnectX series) core driver"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(DRIVER_VERSION); -- cgit v1.2.3 From 2aada6c0c96e55e3b3f5024d164b9575382de6b8 Mon Sep 17 00:00:00 2001 From: Yishai Hadas Date: Tue, 19 Jun 2018 15:09:48 +0300 Subject: net/mlx5: Add forward compatible support for the FTE match data Use the PRM size including the reserved when working with the FTE match data. This comes to support forward compatibility for cases that current reserved data will be exposed by the firmware by an application that uses the DEVX API without changing the kernel. Also drop some driver checks around the match criteria leaving the work for firmware to enable forward compatibility for future bits there. Signed-off-by: Yishai Hadas Acked-by: Saeed Mahameed Signed-off-by: Leon Romanovsky --- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 77 +---------------------- 1 file changed, 1 insertion(+), 76 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 29b86232f13a..a8d7d00f92f6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -309,89 +309,17 @@ static struct fs_prio *find_prio(struct mlx5_flow_namespace *ns, return NULL; } -static bool check_last_reserved(const u32 *match_criteria) -{ - char *match_criteria_reserved = - MLX5_ADDR_OF(fte_match_param, match_criteria, MLX5_FTE_MATCH_PARAM_RESERVED); - - 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 check_valid_mask(u8 match_criteria_enable, const u32 *match_criteria) -{ - 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) | - (1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS_2))) - return false; - - 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 (!(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 (fg_type_mask[0] || - memcmp(fg_type_mask, fg_type_mask + 1, - MLX5_ST_SZ_BYTES(fte_match_set_misc) - 1)) - return false; - } - - 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 (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 (!(match_criteria_enable & - 1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS_2)) { - char *fg_type_mask = MLX5_ADDR_OF(fte_match_param, - match_criteria, misc_parameters_2); - - if (fg_type_mask[0] || - memcmp(fg_type_mask, fg_type_mask + 1, - MLX5_ST_SZ_BYTES(fte_match_set_misc2) - 1)) - return false; - } - - return check_last_reserved(match_criteria); -} - static bool check_valid_spec(const struct mlx5_flow_spec *spec) { 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); + return true; } static struct mlx5_flow_root_namespace *find_root(struct fs_node *node) @@ -1158,9 +1086,6 @@ struct mlx5_flow_group *mlx5_create_flow_group(struct mlx5_flow_table *ft, struct mlx5_flow_group *fg; int err; - if (!check_valid_mask(match_criteria_enable, match_criteria)) - return ERR_PTR(-EINVAL); - if (ft->autogroup.active) return ERR_PTR(-EPERM); -- cgit v1.2.3 From 664000b6bb4352295dc774108a1fc87c4a1ad0e3 Mon Sep 17 00:00:00 2001 From: Yishai Hadas Date: Tue, 19 Jun 2018 15:23:36 +0300 Subject: net/mlx5: Add support for flow table destination number Add support to set a destination from a flow table number. This functionality will be used in downstream patches from this series by the DEVX stuff. Signed-off-by: Yishai Hadas Acked-by: Saeed Mahameed Signed-off-by: Leon Romanovsky --- .../mellanox/mlx5/core/diag/fs_tracepoint.c | 3 +++ drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c | 24 ++++++++++++++-------- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 4 +++- include/linux/mlx5/fs.h | 1 + include/linux/mlx5/mlx5_ifc.h | 1 + 5 files changed, 23 insertions(+), 10 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c index b3820a34e773..0f11fff32a9b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c @@ -240,6 +240,9 @@ const char *parse_fs_dst(struct trace_seq *p, case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE: trace_seq_printf(p, "ft=%p\n", dst->ft); break; + case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM: + trace_seq_printf(p, "ft_num=%u\n", dst->ft_num); + break; case MLX5_FLOW_DESTINATION_TYPE_TIR: trace_seq_printf(p, "tir=%u\n", dst->tir_num); break; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index 6a62b84e57f4..8e01f818021b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -368,18 +368,20 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev, int list_size = 0; list_for_each_entry(dst, &fte->node.children, node.list) { - unsigned int id; + unsigned int id, type = dst->dest_attr.type; - if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER) + if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER) continue; - MLX5_SET(dest_format_struct, in_dests, destination_type, - dst->dest_attr.type); - if (dst->dest_attr.type == - MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) { + switch (type) { + case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM: + id = dst->dest_attr.ft_num; + type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; + break; + case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE: id = dst->dest_attr.ft->id; - } else if (dst->dest_attr.type == - MLX5_FLOW_DESTINATION_TYPE_VPORT) { + break; + case MLX5_FLOW_DESTINATION_TYPE_VPORT: id = dst->dest_attr.vport.num; MLX5_SET(dest_format_struct, in_dests, destination_eswitch_owner_vhca_id_valid, @@ -387,9 +389,13 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev, MLX5_SET(dest_format_struct, in_dests, destination_eswitch_owner_vhca_id, dst->dest_attr.vport.vhca_id); - } else { + break; + default: id = dst->dest_attr.tir_num; } + + MLX5_SET(dest_format_struct, in_dests, destination_type, + type); MLX5_SET(dest_format_struct, in_dests, destination_id, id); in_dests += MLX5_ST_SZ_BYTES(dest_format_struct); list_size++; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index a8d7d00f92f6..0d8378243903 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1356,7 +1356,9 @@ static bool mlx5_flow_dests_cmp(struct mlx5_flow_destination *d1, (d1->type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && d1->ft == d2->ft) || (d1->type == MLX5_FLOW_DESTINATION_TYPE_TIR && - d1->tir_num == d2->tir_num)) + d1->tir_num == d2->tir_num) || + (d1->type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM && + d1->ft_num == d2->ft_num)) return true; } diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index c40f2fc68655..af0592400499 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -89,6 +89,7 @@ struct mlx5_flow_destination { enum mlx5_flow_destination_type type; union { u32 tir_num; + u32 ft_num; struct mlx5_flow_table *ft; struct mlx5_fc *counter; struct { diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index ae12120ef021..c14b81559505 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1180,6 +1180,7 @@ enum mlx5_flow_destination_type { MLX5_FLOW_DESTINATION_TYPE_PORT = 0x99, MLX5_FLOW_DESTINATION_TYPE_COUNTER = 0x100, + MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM = 0x101, }; struct mlx5_ifc_dest_format_struct_bits { -- cgit v1.2.3