github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-25 23:52:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: marvell: prestera: Add router LPM ABI

Browse Source 
Add functions to create/delete lpm entry in hw.
prestera_hw_lpm_add() take index of allocated virtual router.
Also it takes grp_id, which is index of allocated nexthop group.
ABI to create nexthop group will be added soon.

Co-developed-by: Taras Chornyi <tchornyi@marvell.com>
Signed-off-by: Taras Chornyi <tchornyi@marvell.com>
Co-developed-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: Yevhen Orlov <yevhen.orlov@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevhen Orlov 2022-02-16 03:05:55 +02:00 committed by David S. Miller
parent 93d11e0d76
commit 19787b93f8
2 changed files with 55 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/net/ethernet/marvell/prestera/prestera_hw.c
View File

@ -55,6 +55,8 @@ enum prestera_cmd_type_t {
PRESTERA_CMD_TYPE_ROUTER_RIF_CREATE = 0x600,
PRESTERA_CMD_TYPE_ROUTER_RIF_DELETE = 0x601,
PRESTERA_CMD_TYPE_ROUTER_LPM_ADD = 0x610,
PRESTERA_CMD_TYPE_ROUTER_LPM_DELETE = 0x611,
PRESTERA_CMD_TYPE_ROUTER_VR_CREATE = 0x630,
PRESTERA_CMD_TYPE_ROUTER_VR_DELETE = 0x631,
@ -502,6 +504,15 @@ struct prestera_msg_iface {
u8 __pad[3];
};
struct prestera_msg_ip_addr {
union {
__be32 ipv4;
__be32 ipv6[4];
} u;
u8 v; /* e.g. PRESTERA_IPV4 */
u8 __pad[3];
};
struct prestera_msg_rif_req {
struct prestera_msg_cmd cmd;
struct prestera_msg_iface iif;
@ -518,6 +529,15 @@ struct prestera_msg_rif_resp {
u8 __pad[2];
};
struct prestera_msg_lpm_req {
struct prestera_msg_cmd cmd;
struct prestera_msg_ip_addr dst;
__le32 grp_id;
__le32 dst_len;
__le16 vr_id;
u8 __pad[2];
};
struct prestera_msg_vr_req {
struct prestera_msg_cmd cmd;
__le16 vr_id;
@ -601,9 +621,11 @@ static void prestera_hw_build_tests(void)
BUILD_BUG_ON(sizeof(struct prestera_msg_counter_stats) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_rif_req) != 36);
BUILD_BUG_ON(sizeof(struct prestera_msg_vr_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_lpm_req) != 36);
/* structure that are part of req/resp fw messages */
BUILD_BUG_ON(sizeof(struct prestera_msg_iface) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_ip_addr) != 20);
/* check responses */
BUILD_BUG_ON(sizeof(struct prestera_msg_common_resp) != 8);
@ -1897,6 +1919,33 @@ int prestera_hw_vr_delete(struct prestera_switch *sw, u16 vr_id)
sizeof(req));
}
int prestera_hw_lpm_add(struct prestera_switch *sw, u16 vr_id,
__be32 dst, u32 dst_len, u32 grp_id)
{
struct prestera_msg_lpm_req req = {
.dst_len = __cpu_to_le32(dst_len),
.vr_id = __cpu_to_le16(vr_id),
.grp_id = __cpu_to_le32(grp_id),
.dst.u.ipv4 = dst
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_LPM_ADD, &req.cmd,
sizeof(req));
}
int prestera_hw_lpm_del(struct prestera_switch *sw, u16 vr_id,
__be32 dst, u32 dst_len)
{
struct prestera_msg_lpm_req req = {
.dst_len = __cpu_to_le32(dst_len),
.vr_id = __cpu_to_le16(vr_id),
.dst.u.ipv4 = dst
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_LPM_DELETE, &req.cmd,
sizeof(req));
}
int prestera_hw_rxtx_init(struct prestera_switch *sw,
struct prestera_rxtx_params *params)
{

6
drivers/net/ethernet/marvell/prestera/prestera_hw.h
View File

@ -249,6 +249,12 @@ int prestera_hw_rif_delete(struct prestera_switch *sw, u16 rif_id,
int prestera_hw_vr_create(struct prestera_switch *sw, u16 *vr_id);
int prestera_hw_vr_delete(struct prestera_switch *sw, u16 vr_id);
/* LPM PI */
int prestera_hw_lpm_add(struct prestera_switch *sw, u16 vr_id,
__be32 dst, u32 dst_len, u32 grp_id);
int prestera_hw_lpm_del(struct prestera_switch *sw, u16 vr_id,
__be32 dst, u32 dst_len);
/* Event handlers */
int prestera_hw_event_handler_register(struct prestera_switch *sw,
enum prestera_event_type type,