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 <[email protected]>
Signed-off-by: Taras Chornyi <[email protected]>
Co-developed-by: Oleksandr Mazur <[email protected]>
Signed-off-by: Oleksandr Mazur <[email protected]>
Signed-off-by: Yevhen Orlov <[email protected]>
---
.../ethernet/marvell/prestera/prestera_hw.c | 49 +++++++++++++++++++
.../ethernet/marvell/prestera/prestera_hw.h | 6 +++
2 files changed, 55 insertions(+)
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.c b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
index e6bfadc874c5..fca25b796cf7 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.c
@@ -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,
@@ -499,6 +501,15 @@ 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;
@@ -515,6 +526,15 @@ 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;
@@ -598,9 +618,11 @@ 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);
@@ -1891,6 +1913,33 @@ 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)
{
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_hw.h b/drivers/net/ethernet/marvell/prestera/prestera_hw.h
index 3ff12bae5909..fd896a8838bb 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_hw.h
+++ b/drivers/net/ethernet/marvell/prestera/prestera_hw.h
@@ -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,
--
2.17.1