Commit 19787b93 authored by Yevhen Orlov's avatar Yevhen Orlov Committed by David S. Miller
Browse files

net: marvell: prestera: Add router LPM ABI 



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: default avatarTaras Chornyi <tchornyi@marvell.com>
Signed-off-by: default avatarTaras Chornyi <tchornyi@marvell.com>
Co-developed-by: default avatarOleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: default avatarOleksandr Mazur <oleksandr.mazur@plvision.eu>
Signed-off-by: default avatarYevhen Orlov <yevhen.orlov@plvision.eu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 93d11e0d

drivers/net/ethernet/marvell/prestera/prestera_hw.c

+49 −0
Original line number Diff line number Diff line
@@ -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)

{

drivers/net/ethernet/marvell/prestera/prestera_hw.h

+6 −0
Original line number Diff line number Diff line
@@ -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,