qed: Add RoCE ll2 & GSI support

[cascardo/linux.git] / include / linux / qed / qed_roce_if.h

diff --git a/include/linux/qed/qed_roce_if.h b/include/linux/qed/qed_roce_if.h
index 0b6df6e..53047d3 100644 (file)
--- a/include/linux/qed/qed_roce_if.h
+++ b/include/linux/qed/qed_roce_if.h
@@ -39,6 +39,16 @@
 #include <linux/slab.h>
 #include <linux/qed/qed_if.h>
 #include <linux/qed/qed_ll2_if.h>
+#include <linux/qed/rdma_common.h>
+
+enum qed_roce_ll2_tx_dest {
+       /* Light L2 TX Destination to the Network */
+       QED_ROCE_LL2_TX_DEST_NW,
+
+       /* Light L2 TX Destination to the Loopback */
+       QED_ROCE_LL2_TX_DEST_LB,
+       QED_ROCE_LL2_TX_DEST_MAX
+};
 
 #define QED_RDMA_MAX_CNQ_SIZE               (0xFFFF)
 
@@ -461,6 +471,61 @@ struct qed_rdma_counters_out_params {
 #define QED_ROCE_TX_HEAD_FAILURE        (1)
 #define QED_ROCE_TX_FRAG_FAILURE        (2)
 
+struct qed_roce_ll2_header {
+       void *vaddr;
+       dma_addr_t baddr;
+       size_t len;
+};
+
+struct qed_roce_ll2_buffer {
+       dma_addr_t baddr;
+       size_t len;
+};
+
+struct qed_roce_ll2_packet {
+       struct qed_roce_ll2_header header;
+       int n_seg;
+       struct qed_roce_ll2_buffer payload[RDMA_MAX_SGE_PER_SQ_WQE];
+       int roce_mode;
+       enum qed_roce_ll2_tx_dest tx_dest;
+};
+
+struct qed_roce_ll2_tx_params {
+       int reserved;
+};
+
+struct qed_roce_ll2_rx_params {
+       u16 vlan_id;
+       u8 smac[ETH_ALEN];
+       int rc;
+};
+
+struct qed_roce_ll2_cbs {
+       void (*tx_cb)(void *pdev, struct qed_roce_ll2_packet *pkt);
+
+       void (*rx_cb)(void *pdev, struct qed_roce_ll2_packet *pkt,
+                     struct qed_roce_ll2_rx_params *params);
+};
+
+struct qed_roce_ll2_params {
+       u16 max_rx_buffers;
+       u16 max_tx_buffers;
+       u16 mtu;
+       u8 mac_address[ETH_ALEN];
+       struct qed_roce_ll2_cbs cbs;
+       void *cb_cookie;
+};
+
+struct qed_roce_ll2_info {
+       u8 handle;
+       struct qed_roce_ll2_cbs cbs;
+       u8 mac_address[ETH_ALEN];
+       void *cb_cookie;
+
+       /* Lock to protect ll2 */
+       struct mutex lock;
+};
+
 enum qed_rdma_type {
        QED_RDMA_TYPE_ROCE,
 };
@@ -518,6 +583,20 @@ struct qed_rdma_ops {
        int (*rdma_deregister_tid)(void *rdma_cxt, u32 itid);
        int (*rdma_alloc_tid)(void *rdma_cxt, u32 *itid);
        void (*rdma_free_tid)(void *rdma_cxt, u32 itid);
+       int (*roce_ll2_start)(struct qed_dev *cdev,
+                             struct qed_roce_ll2_params *params);
+       int (*roce_ll2_stop)(struct qed_dev *cdev);
+       int (*roce_ll2_tx)(struct qed_dev *cdev,
+                          struct qed_roce_ll2_packet *packet,
+                          struct qed_roce_ll2_tx_params *params);
+       int (*roce_ll2_post_rx_buffer)(struct qed_dev *cdev,
+                                      struct qed_roce_ll2_buffer *buf,
+                                      u64 cookie, u8 notify_fw);
+       int (*roce_ll2_set_mac_filter)(struct qed_dev *cdev,
+                                      u8 *old_mac_address,
+                                      u8 *new_mac_address);
+       int (*roce_ll2_stats)(struct qed_dev *cdev,
+                             struct qed_ll2_stats *stats);
 };
 
 const struct qed_rdma_ops *qed_get_rdma_ops(void);