From: Shahaji Bhosle <sbhosle@broadcom.com>
Add hooks in the hwrm and ulp layer to enable,
custom tunnel header support on wh+ generic app(ovs).
Signed-off-by: Shahaji Bhosle <sbhosle@broadcom.com>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
drivers/net/bnxt/bnxt.h | 4 +++
drivers/net/bnxt/bnxt_hwrm.c | 18 ++++++++++
drivers/net/bnxt/tf_ulp/bnxt_ulp.c | 54 ++++++++++++++++++++++++++++++
drivers/net/bnxt/tf_ulp/bnxt_ulp.h | 3 ++
4 files changed, 79 insertions(+)
@@ -989,13 +989,17 @@ struct bnxt {
uint8_t vxlan_port_cnt;
uint8_t geneve_port_cnt;
uint8_t ecpri_port_cnt;
+ uint8_t l2_etype_tunnel_cnt;
uint16_t vxlan_port;
uint16_t geneve_port;
uint16_t ecpri_port;
uint16_t vxlan_fw_dst_port_id;
uint16_t geneve_fw_dst_port_id;
uint16_t ecpri_fw_dst_port_id;
+#define BNXT_L2_ETYPE_TUNNEL_ID 0xFFFF /* CUSTOM L2 ENCAP - VF representors */
+ uint16_t l2_etype_tunnel_id;
uint16_t ecpri_upar_in_use;
+ uint8_t l2_etype_upar_in_use;
uint32_t fw_ver;
uint32_t hwrm_spec_code;
@@ -3542,6 +3542,10 @@ bnxt_free_tunnel_ports(struct bnxt *bp)
if (bp->ecpri_port_cnt)
bnxt_hwrm_tunnel_dst_port_free(bp, bp->ecpri_fw_dst_port_id,
HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_ECPRI);
+
+ if (bp->l2_etype_tunnel_cnt)
+ bnxt_hwrm_tunnel_dst_port_free(bp, bp->l2_etype_tunnel_id,
+ HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_L2_ETYPE);
}
void bnxt_free_all_hwrm_resources(struct bnxt *bp)
@@ -4839,6 +4843,10 @@ int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, uint16_t port,
bp->ecpri_port = port;
bp->ecpri_upar_in_use = resp->upar_in_use;
break;
+ case HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_L2_ETYPE:
+ bp->l2_etype_tunnel_id = port;
+ bp->l2_etype_upar_in_use = resp->upar_in_use;
+ break;
default:
break;
}
@@ -4869,6 +4877,9 @@ int bnxt_hwrm_tunnel_upar_id_get(struct bnxt *bp, uint8_t *upar_id,
case HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_SRV6:
*upar_id = resp->upar_in_use;
break;
+ case HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_L2_ETYPE:
+ *upar_id = resp->upar_in_use;
+ break;
default:
/* INVALID UPAR Id if another tunnel type tries to retrieve */
*upar_id = 0xff;
@@ -4915,6 +4926,13 @@ int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, uint16_t port,
bp->ecpri_port_cnt = 0;
}
+ if (tunnel_type ==
+ HWRM_TUNNEL_DST_PORT_FREE_INPUT_TUNNEL_TYPE_L2_ETYPE) {
+ bp->l2_etype_tunnel_cnt = 0;
+ bp->l2_etype_tunnel_id = 0;
+ bp->l2_etype_upar_in_use = 0;
+ }
+
bnxt_hwrm_set_tpa(bp);
return rc;
}
@@ -454,6 +454,10 @@ bnxt_ulp_cntxt_app_caps_init(struct bnxt *bp,
}
}
+ if (info[i].flags & BNXT_ULP_APP_CAP_L2_ETYPE)
+ ulp_ctx->cfg_data->ulp_flags |=
+ BNXT_ULP_APP_L2_ETYPE;
+
bnxt_ulp_vxlan_ip_port_set(ulp_ctx, info[i].vxlan_ip_port);
bnxt_ulp_vxlan_port_set(ulp_ctx, info[i].vxlan_port);
bnxt_ulp_ecpri_udp_port_set(ulp_ctx, info[i].ecpri_udp_port);
@@ -1795,6 +1799,29 @@ bnxt_ulp_init(struct bnxt *bp,
return rc;
}
+static int
+ulp_l2_etype_tunnel_alloc(struct bnxt *bp)
+{
+ int rc = 0;
+
+ if (!ULP_APP_L2_ETYPE_SUPPORT(bp->ulp_ctx))
+ return rc;
+
+ if (bp->l2_etype_tunnel_cnt) {
+ BNXT_TF_DBG(DEBUG, "L2 ETYPE Custom Tunnel already allocated\n");
+ return rc;
+ }
+ rc = bnxt_tunnel_dst_port_alloc(bp,
+ BNXT_L2_ETYPE_TUNNEL_ID,
+ HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_L2_ETYPE);
+ if (rc)
+ BNXT_TF_DBG(ERR, "Failed to set global L2 ETYPE Custom Tunnel\n");
+ else
+ bp->l2_etype_tunnel_cnt++;
+
+ return rc;
+}
+
static int
ulp_cust_vxlan_alloc(struct bnxt *bp)
{
@@ -1943,6 +1970,10 @@ bnxt_ulp_port_init(struct bnxt *bp)
if (rc)
goto jump_to_error;
+ rc = ulp_l2_etype_tunnel_alloc(bp);
+ if (rc)
+ goto jump_to_error;
+
return rc;
jump_to_error:
@@ -1950,6 +1981,28 @@ bnxt_ulp_port_init(struct bnxt *bp)
return rc;
}
+static void
+ulp_l2_etype_tunnel_free(struct bnxt *bp)
+{
+ int rc;
+
+ if (!ULP_APP_L2_ETYPE_SUPPORT(bp->ulp_ctx))
+ return;
+
+ if (bp->l2_etype_tunnel_cnt == 0) {
+ BNXT_TF_DBG(DEBUG, "L2 ETYPE Custom Tunnel already freed\n");
+ return;
+ }
+
+ rc = bnxt_tunnel_dst_port_free(bp,
+ BNXT_L2_ETYPE_TUNNEL_ID,
+ HWRM_TUNNEL_DST_PORT_ALLOC_INPUT_TUNNEL_TYPE_L2_ETYPE);
+ if (rc)
+ BNXT_TF_DBG(ERR, "Failed to clear L2 ETYPE Custom Tunnel\n");
+
+ bp->l2_etype_tunnel_cnt--;
+}
+
static void
ulp_cust_vxlan_free(struct bnxt *bp)
{
@@ -2026,6 +2079,7 @@ bnxt_ulp_port_deinit(struct bnxt *bp)
if (bp->ulp_ctx->cfg_data->ref_cnt) {
/* Free tunnel configurations */
ulp_cust_vxlan_free(bp);
+ ulp_l2_etype_tunnel_free(bp);
/* free the port details */
/* Free the default flow rule associated to this port */
@@ -40,6 +40,7 @@
#define BNXT_ULP_CUST_VXLAN_SUPPORT 0x100
#define BNXT_ULP_MULTI_SHARED_SUPPORT 0x200
#define BNXT_ULP_APP_HA_DYNAMIC 0x400
+#define BNXT_ULP_APP_L2_ETYPE 0x800
#define ULP_VF_REP_IS_ENABLED(flag) ((flag) & BNXT_ULP_VF_REP_ENABLED)
#define ULP_SHARED_SESSION_IS_ENABLED(flag) ((flag) &\
@@ -60,6 +61,8 @@
#define ULP_APP_CUST_VXLAN_SUPPORT(ctx) ((ctx)->cfg_data->vxlan_port != 0)
#define ULP_APP_VXLAN_GPE_SUPPORT(ctx) ((ctx)->cfg_data->vxlan_gpe_port != 0)
#define ULP_APP_CUST_VXLAN_IP_SUPPORT(ctx) ((ctx)->cfg_data->vxlan_ip_port != 0)
+#define ULP_APP_L2_ETYPE_SUPPORT(ctx) ((ctx)->cfg_data->ulp_flags &\
+ BNXT_ULP_APP_L2_ETYPE)
enum bnxt_ulp_flow_mem_type {
BNXT_ULP_FLOW_MEM_TYPE_INT = 0,