Resguardo inicial

2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
94853 changed files with 43200404 additions and 0 deletions
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_DCCP_H
+#define _LINUX_DCCP_H
+
+#include <uapi/linux/dccp.h>
+
+static inline struct dccp_hdr_ext *dccp_hdrx(const struct dccp_hdr *dh)
+{
+	return (struct dccp_hdr_ext *)((unsigned char *)dh + sizeof(*dh));
+}
+
+static inline unsigned int __dccp_basic_hdr_len(const struct dccp_hdr *dh)
+{
+	return sizeof(*dh) + (dh->dccph_x ? sizeof(struct dccp_hdr_ext) : 0);
+}
+
+static inline __u64 dccp_hdr_seq(const struct dccp_hdr *dh)
+{
+	__u64 seq_nr =  ntohs(dh->dccph_seq);
+
+	if (dh->dccph_x != 0)
+		seq_nr = (seq_nr << 32) + ntohl(dccp_hdrx(dh)->dccph_seq_low);
+	else
+		seq_nr += (u32)dh->dccph_seq2 << 16;
+
+	return seq_nr;
+}
+
+static inline unsigned int __dccp_hdr_len(const struct dccp_hdr *dh)
+{
+	return __dccp_basic_hdr_len(dh) +
+	       dccp_packet_hdr_len(dh->dccph_type);
+}
+
+#endif /* _LINUX_DCCP_H */