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drivers: net: vsc9953: Add LAG support

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You can now configure LAG on VSC9953's ports using the command:
ethsw [port <port_no>] aggr {[help] | show | <lag_group_no>}

A port must belong to a single LAG. By default, a port
belongs to a LAG equal to the port's number.

For each frame, a hash will be calculated based on
Source/Destination MAC addresses, Source/Destination IP(v4/v6)
addresses, Source/Destination ports. This hash will be used to
select a single egress port from LAG. This also assures
that frames from the same flow will always have the
same egress port.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Codrin Ciubotariu
2015-12-15 15:21:06 +02:00
committed by Joe Hershberger
parent bf9f2ed83b
commit aae0e68909
5 changed files with 430 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/ethsw.h
View File

@@ -12,6 +12,7 @@
#define ETHSW_MAX_CMD_PARAMS 20
#define ETHSW_CMD_PORT_ALL -1
#define ETHSW_CMD_VLAN_ALL -1
#define ETHSW_CMD_AGGR_GRP_NONE -1
/* IDs used to track keywords in a command */
enum ethsw_keyword_id {
@@ -41,6 +42,7 @@ enum ethsw_keyword_id {
ethsw_id_private,
ethsw_id_ingress,
ethsw_id_filtering,
ethsw_id_aggr,
ethsw_id_count, /* keep last */
};
@@ -50,6 +52,7 @@ enum ethsw_keyword_opt_id {
ethsw_id_pvid_no,
ethsw_id_add_del_no,
ethsw_id_add_del_mac,
ethsw_id_aggr_no,
ethsw_id_count_all, /* keep last */
};
@@ -58,6 +61,7 @@ struct ethsw_command_def {
int cmd_keywords_nr;
int port;
int vid;
int aggr_grp;
uchar ethaddr[6];
int (*cmd_function)(struct ethsw_command_def *parsed_cmd);
};
@@ -88,6 +92,8 @@ struct ethsw_command_func {
int (*vlan_learn_set)(struct ethsw_command_def *parsed_cmd);
int (*port_ingr_filt_show)(struct ethsw_command_def *parsed_cmd);
int (*port_ingr_filt_set)(struct ethsw_command_def *parsed_cmd);
int (*port_aggr_show)(struct ethsw_command_def *parsed_cmd);
int (*port_aggr_set)(struct ethsw_command_def *parsed_cmd);
};
int ethsw_define_functions(const struct ethsw_command_func *cmd_func);

18
include/vsc9953.h
View File

@@ -126,6 +126,7 @@
#define VSC9953_PORT_CFG_LEARN_AUTO 0x00000100
#define VSC9953_PORT_CFG_LEARN_CPU 0x00000200
#define VSC9953_PORT_CFG_LEARN_DROP 0x00000400
#define VSC9953_PORT_CFG_PORTID_MASK 0x0000003c
/* Macros for vsc9953_qsys_sys.switch_port_mode register */
#define VSC9953_PORT_ENA 0x00002000
@@ -156,6 +157,19 @@
/* Macros for vsc9953_ana_ana_tables.mach_data register */
#define VSC9953_MACHDATA_VID_MASK 0x1fff0000
/* Macros for vsc9953_ana_common.aggr_cfg register */
#define VSC9953_AC_RND_ENA 0x00000080
#define VSC9953_AC_DMAC_ENA 0x00000040
#define VSC9953_AC_SMAC_ENA 0x00000020
#define VSC9953_AC_IP6_LBL_ENA 0x00000010
#define VSC9953_AC_IP6_TCPUDP_ENA 0x00000008
#define VSC9953_AC_IP4_SIPDIP_ENA 0x00000004
#define VSC9953_AC_IP4_TCPUDP_ENA 0x00000002
#define VSC9953_AC_MASK 0x000000fe
/* Macros for vsc9953_ana_pgid.port_grp_id[] registers */
#define VSC9953_PGID_PORT_MASK 0x000003ff
#define VSC9953_MAX_PORTS 10
#define VSC9953_PORT_CHECK(port) \
(((port) < 0 || (port) >= VSC9953_MAX_PORTS) ? 0 : 1)
@@ -239,6 +253,10 @@ struct vsc9953_ana_ana {
u32 port_mode[12];
};
#define PGID_DST_START 0
#define PGID_AGGR_START 64
#define PGID_SRC_START 80
struct vsc9953_ana_pgid {
u32 port_grp_id[91];
};