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Diffstat (limited to 'include/linux/qed/qed_ll2_if.h')
-rw-r--r--include/linux/qed/qed_ll2_if.h129
1 files changed, 129 insertions, 0 deletions
diff --git a/include/linux/qed/qed_ll2_if.h b/include/linux/qed/qed_ll2_if.h
index 4fb4666ea879..dd7a3b86bb9e 100644
--- a/include/linux/qed/qed_ll2_if.h
+++ b/include/linux/qed/qed_ll2_if.h
@@ -43,6 +43,36 @@
#include <linux/slab.h>
#include <linux/qed/qed_if.h>
+enum qed_ll2_conn_type {
+ QED_LL2_TYPE_FCOE,
+ QED_LL2_TYPE_ISCSI,
+ QED_LL2_TYPE_TEST,
+ QED_LL2_TYPE_OOO,
+ QED_LL2_TYPE_RESERVED2,
+ QED_LL2_TYPE_ROCE,
+ QED_LL2_TYPE_IWARP,
+ QED_LL2_TYPE_RESERVED3,
+ MAX_QED_LL2_RX_CONN_TYPE
+};
+
+enum qed_ll2_roce_flavor_type {
+ QED_LL2_ROCE,
+ QED_LL2_RROCE,
+ MAX_QED_LL2_ROCE_FLAVOR_TYPE
+};
+
+enum qed_ll2_tx_dest {
+ QED_LL2_TX_DEST_NW, /* Light L2 TX Destination to the Network */
+ QED_LL2_TX_DEST_LB, /* Light L2 TX Destination to the Loopback */
+ QED_LL2_TX_DEST_MAX
+};
+
+enum qed_ll2_error_handle {
+ QED_LL2_DROP_PACKET,
+ QED_LL2_DO_NOTHING,
+ QED_LL2_ASSERT,
+};
+
struct qed_ll2_stats {
u64 gsi_invalid_hdr;
u64 gsi_invalid_pkt_length;
@@ -67,6 +97,105 @@ struct qed_ll2_stats {
u64 sent_bcast_pkts;
};
+struct qed_ll2_comp_rx_data {
+ void *cookie;
+ dma_addr_t rx_buf_addr;
+ u16 parse_flags;
+ u16 vlan;
+ bool b_last_packet;
+ u8 connection_handle;
+
+ union {
+ u16 packet_length;
+ u16 data_length;
+ } length;
+
+ u32 opaque_data_0;
+ u32 opaque_data_1;
+
+ /* GSI only */
+ u32 gid_dst[4];
+ u16 qp_id;
+
+ union {
+ u8 placement_offset;
+ u8 data_length_error;
+ } u;
+};
+
+typedef
+void (*qed_ll2_complete_rx_packet_cb)(void *cxt,
+ struct qed_ll2_comp_rx_data *data);
+
+typedef
+void (*qed_ll2_release_rx_packet_cb)(void *cxt,
+ u8 connection_handle,
+ void *cookie,
+ dma_addr_t rx_buf_addr,
+ bool b_last_packet);
+
+typedef
+void (*qed_ll2_complete_tx_packet_cb)(void *cxt,
+ u8 connection_handle,
+ void *cookie,
+ dma_addr_t first_frag_addr,
+ bool b_last_fragment,
+ bool b_last_packet);
+
+typedef
+void (*qed_ll2_release_tx_packet_cb)(void *cxt,
+ u8 connection_handle,
+ void *cookie,
+ dma_addr_t first_frag_addr,
+ bool b_last_fragment, bool b_last_packet);
+
+struct qed_ll2_cbs {
+ qed_ll2_complete_rx_packet_cb rx_comp_cb;
+ qed_ll2_release_rx_packet_cb rx_release_cb;
+ qed_ll2_complete_tx_packet_cb tx_comp_cb;
+ qed_ll2_release_tx_packet_cb tx_release_cb;
+ void *cookie;
+};
+
+struct qed_ll2_acquire_data_inputs {
+ enum qed_ll2_conn_type conn_type;
+ u16 mtu;
+ u16 rx_num_desc;
+ u16 rx_num_ooo_buffers;
+ u8 rx_drop_ttl0_flg;
+ u8 rx_vlan_removal_en;
+ u16 tx_num_desc;
+ u8 tx_max_bds_per_packet;
+ u8 tx_tc;
+ enum qed_ll2_tx_dest tx_dest;
+ enum qed_ll2_error_handle ai_err_packet_too_big;
+ enum qed_ll2_error_handle ai_err_no_buf;
+ u8 gsi_enable;
+};
+
+struct qed_ll2_acquire_data {
+ struct qed_ll2_acquire_data_inputs input;
+ const struct qed_ll2_cbs *cbs;
+
+ /* Output container for LL2 connection's handle */
+ u8 *p_connection_handle;
+};
+
+struct qed_ll2_tx_pkt_info {
+ void *cookie;
+ dma_addr_t first_frag;
+ enum qed_ll2_tx_dest tx_dest;
+ enum qed_ll2_roce_flavor_type qed_roce_flavor;
+ u16 vlan;
+ u16 l4_hdr_offset_w; /* from start of packet */
+ u16 first_frag_len;
+ u8 num_of_bds;
+ u8 bd_flags;
+ bool enable_ip_cksum;
+ bool enable_l4_cksum;
+ bool calc_ip_len;
+};
+
#define QED_LL2_UNUSED_HANDLE (0xff)
struct qed_ll2_cb_ops {