xdp: T2666: remove entire XDP code for 1.3 LTS image

This is an extension to commit 801c5235 ("xdp: T2666: disable this highly
experimental feature in 1.3 LTS") by dropping all XDP references in the
equuleus codebase.

1 files changed, 0 insertions, 44 deletions

diff --git a/src/xdp/common/xdp_stats_kern.h b/src/xdp/common/xdp_stats_kern.h
deleted file mode 100644
index 4e08551a0..000000000
--- a/src/xdp/common/xdp_stats_kern.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-/* Used *ONLY* by BPF-prog running kernel side. */
-#ifndef __XDP_STATS_KERN_H
-#define __XDP_STATS_KERN_H
-
-/* Data record type 'struct datarec' is defined in common/xdp_stats_kern_user.h,
- * programs using this header must first include that file.
- */
-#ifndef __XDP_STATS_KERN_USER_H
-#warning "You forgot to #include <../common/xdp_stats_kern_user.h>"
-#include <../common/xdp_stats_kern_user.h>
-#endif
-
-/* Keeps stats per (enum) xdp_action */
-struct bpf_map_def SEC("maps") xdp_stats_map = {
-	.type        = BPF_MAP_TYPE_PERCPU_ARRAY,
-	.key_size    = sizeof(__u32),
-	.value_size  = sizeof(struct datarec),
-	.max_entries = XDP_ACTION_MAX,
-};
-
-static __always_inline
-__u32 xdp_stats_record_action(struct xdp_md *ctx, __u32 action)
-{
-	if (action >= XDP_ACTION_MAX)
-		return XDP_ABORTED;
-
-	/* Lookup in kernel BPF-side return pointer to actual data record */
-	struct datarec *rec = bpf_map_lookup_elem(&xdp_stats_map, &action);
-	if (!rec)
-		return XDP_ABORTED;
-
-	/* BPF_MAP_TYPE_PERCPU_ARRAY returns a data record specific to current
-	 * CPU and XDP hooks runs under Softirq, which makes it safe to update
-	 * without atomic operations.
-	 */
-	rec->rx_packets++;
-	rec->rx_bytes += (ctx->data_end - ctx->data);
-
-	return action;
-}
-
-#endif /* __XDP_STATS_KERN_H */