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authorBenoît Ganne <bganne@cisco.com>2022-10-13 17:22:26 +0200
committerDave Wallace <dwallacelf@gmail.com>2023-01-11 15:23:44 +0000
commit6a07348f4a5312310c01fdd5af937ce26580eb2d (patch)
tree9ed9307f1529a556231977e7c7ab661b7dbf434a /src/plugins
parenteea6edcda896ccf8d5befed14eb95432a235644c (diff)
pci: add option to force uio binding
Type: improvement Change-Id: Ifea4badd58f7e2b5e792d7506f6747851a08587f Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins')
-rw-r--r--src/plugins/dpdk/device/dpdk.h1
-rw-r--r--src/plugins/dpdk/device/init.c5
-rw-r--r--src/plugins/vmxnet3/cli.c13
-rw-r--r--src/plugins/vmxnet3/vmxnet3.c3
-rw-r--r--src/plugins/vmxnet3/vmxnet3.h9
5 files changed, 23 insertions, 8 deletions
diff --git a/src/plugins/dpdk/device/dpdk.h b/src/plugins/dpdk/device/dpdk.h
index 02cf6812d43..7569fc60a90 100644
--- a/src/plugins/dpdk/device/dpdk.h
+++ b/src/plugins/dpdk/device/dpdk.h
@@ -265,6 +265,7 @@ typedef struct
u8 **eal_init_args;
u8 *eal_init_args_str;
u8 *uio_driver_name;
+ u8 uio_bind_force;
u8 enable_telemetry;
u16 max_simd_bitwidth;
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 3f27a07f0ba..83ce2dc9cbc 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -681,7 +681,8 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
continue;
}
- error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
+ error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name,
+ conf->uio_bind_force);
if (error)
{
@@ -1089,6 +1090,8 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
}
else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
;
+ else if (unformat (input, "uio-bind-force"))
+ conf->uio_bind_force = 1;
else if (unformat (input, "socket-mem %s", &socket_mem))
;
else if (unformat (input, "no-pci"))
diff --git a/src/plugins/vmxnet3/cli.c b/src/plugins/vmxnet3/cli.c
index 039e9f3a75b..f751358262b 100644
--- a/src/plugins/vmxnet3/cli.c
+++ b/src/plugins/vmxnet3/cli.c
@@ -47,8 +47,10 @@ vmxnet3_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
args.enable_gso = 1;
else if (unformat (line_input, "elog"))
args.enable_elog = 1;
+ else if (unformat (line_input, "bind force"))
+ args.bind = VMXNET3_BIND_FORCE;
else if (unformat (line_input, "bind"))
- args.bind = 1;
+ args.bind = VMXNET3_BIND_DEFAULT;
else if (unformat (line_input, "rx-queue-size %u", &size))
args.rxq_size = size;
else if (unformat (line_input, "tx-queue-size %u", &size))
@@ -77,10 +79,11 @@ vmxnet3_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vmxnet3_create_command, static) = {
.path = "create interface vmxnet3",
- .short_help = "create interface vmxnet3 <pci-address>"
- " [rx-queue-size <size>] [tx-queue-size <size>]"
- " [num-tx-queues <number>] [num-rx-queues <number>] [bind]"
- " [gso]",
+ .short_help =
+ "create interface vmxnet3 <pci-address>"
+ " [rx-queue-size <size>] [tx-queue-size <size>]"
+ " [num-tx-queues <number>] [num-rx-queues <number>] [bind [force]]"
+ " [gso]",
.function = vmxnet3_create_command_fn,
};
/* *INDENT-ON* */
diff --git a/src/plugins/vmxnet3/vmxnet3.c b/src/plugins/vmxnet3/vmxnet3.c
index 770cb2d418d..be862d7127a 100644
--- a/src/plugins/vmxnet3/vmxnet3.c
+++ b/src/plugins/vmxnet3/vmxnet3.c
@@ -692,7 +692,8 @@ vmxnet3_create_if (vlib_main_t * vm, vmxnet3_create_if_args_t * args)
if (args->bind)
{
- error = vlib_pci_bind_to_uio (vm, &args->addr, (char *) "auto");
+ error = vlib_pci_bind_to_uio (vm, &args->addr, (char *) "auto",
+ VMXNET3_BIND_FORCE == args->bind);
if (error)
{
args->rv = VNET_API_ERROR_INVALID_INTERFACE;
diff --git a/src/plugins/vmxnet3/vmxnet3.h b/src/plugins/vmxnet3/vmxnet3.h
index 81aeec6f5c5..89602f8ee9e 100644
--- a/src/plugins/vmxnet3/vmxnet3.h
+++ b/src/plugins/vmxnet3/vmxnet3.h
@@ -606,6 +606,13 @@ typedef struct
extern vmxnet3_main_t vmxnet3_main;
+typedef enum
+{
+ VMXNET3_BIND_NONE = 0,
+ VMXNET3_BIND_DEFAULT = 1,
+ VMXNET3_BIND_FORCE = 2,
+} __clib_packed vmxnet3_bind_t;
+
typedef struct
{
vlib_pci_addr_t addr;
@@ -614,7 +621,7 @@ typedef struct
u16 rxq_num;
u16 txq_size;
u16 txq_num;
- u8 bind;
+ vmxnet3_bind_t bind;
u8 enable_gso;
/* return */
i32 rv;