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path: root/drivers/net/ethernet/netronome/nfp/bpf/main.h
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/main.h')
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/main.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.h b/drivers/net/ethernet/netronome/nfp/bpf/main.h
index 23763b22f8fc..e00a7de2a9c2 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/main.h
+++ b/drivers/net/ethernet/netronome/nfp/bpf/main.h
@@ -37,10 +37,14 @@
#include <linux/bitfield.h>
#include <linux/bpf.h>
#include <linux/bpf_verifier.h>
+#include <linux/kernel.h>
#include <linux/list.h>
+#include <linux/skbuff.h>
#include <linux/types.h>
+#include <linux/wait.h>
#include "../nfp_asm.h"
+#include "fw.h"
/* For relocation logic use up-most byte of branch instruction as scratch
* area. Remember to clear this before sending instructions to HW!
@@ -93,6 +97,13 @@ enum pkt_vec {
* struct nfp_app_bpf - bpf app priv structure
* @app: backpointer to the app
*
+ * @tag_allocator: bitmap of control message tags in use
+ * @tag_alloc_next: next tag bit to allocate
+ * @tag_alloc_last: next tag bit to be freed
+ *
+ * @cmsg_replies: received cmsg replies waiting to be consumed
+ * @cmsg_wq: work queue for waiting for cmsg replies
+ *
* @map_list: list of offloaded maps
*
* @adjust_head: adjust head capability
@@ -105,6 +116,13 @@ enum pkt_vec {
struct nfp_app_bpf {
struct nfp_app *app;
+ DECLARE_BITMAP(tag_allocator, U16_MAX + 1);
+ u16 tag_alloc_next;
+ u16 tag_alloc_last;
+
+ struct sk_buff_head cmsg_replies;
+ struct wait_queue_head cmsg_wq;
+
struct list_head map_list;
struct nfp_bpf_cap_adjust_head {
@@ -284,4 +302,9 @@ nfp_bpf_goto_meta(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta,
unsigned int insn_idx, unsigned int n_insns);
void *nfp_bpf_relo_for_vnic(struct nfp_prog *nfp_prog, struct nfp_bpf_vnic *bv);
+
+struct sk_buff *
+nfp_bpf_cmsg_communicate(struct nfp_app_bpf *bpf, struct sk_buff *skb,
+ enum nfp_bpf_cmsg_type type, unsigned int reply_size);
+void nfp_bpf_ctrl_msg_rx(struct nfp_app *app, struct sk_buff *skb);
#endif
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