lgcosta/pf-linux-port
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M1: pf.c compiles into pf.ko

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lgcosta committed 2026-11-11 14:55:20 -03:00
1 parent 1fcd7b3046
commit 0119e70960
54 files changed
+14853 -96
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module/include/pfk_mbuf.h
+23
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@@ -91,6 +91,26 @@ struct pkthdr {
#define M_BCAST 0x0020
#define M_MCAST 0x0040
#define M_LOOP 0x0080
/* m_pkthdr.csum_flags bits (OpenBSD <sys/mbuf.h> names, port values).
* PFLINUX: the port does not trust driver offload yet; ingress packets get
* no IN_OK bit and pf.c re-checksums in software (pf_check_tcp_cksum). */
#define M_TCP_CSUM_IN_OK 0x0001
#define M_TCP_CSUM_IN_BAD 0x0002
#define M_TCP_CSUM_OUT 0x0004
#define M_UDP_CSUM_IN_OK 0x0010
#define M_UDP_CSUM_IN_BAD 0x0020
#define M_UDP_CSUM_OUT 0x0040
#define M_ICMP_CSUM_OUT 0x0100
#define M_IPV4_CSUM_OUT 0x0200
#define M_FLOWID 0x0400
/* m_copym/m_dup "copy everything" length (OpenBSD <sys/mbuf.h>) */
#ifndef M_COPYALL
#define M_COPYALL 1000000000
#endif
/* BSD M_PREPEND (OpenBSD <sys/mbuf.h>): m = m_prepend(m, h, f) */
#ifndef M_PREPEND
#define M_PREPEND(m, h, f) ((m) = m_prepend((m), (h), (f)))
#endif
#define M_SKIP_FIREWALL 0x0100
#define M_BPF_MCAST 0x0200
#define M_PROMISC 0x0400
@@ -127,6 +147,9 @@ void pfk_m_setpkthdr(struct mbuf *m);
struct mbuf *m_copym(struct mbuf *m, int off, int len, int wait);
struct mbuf *m_dup(struct mbuf *m, int wait); /* full dup + headroom */
struct mbuf *m_prepend(struct mbuf *m, int len, int how);
struct mbuf *m_split(struct mbuf *m, int len, int flags);
struct mbuf *m_dup_pkt(struct mbuf *m, u_int hdr, int how);
#define m_copypacket(m, w) m_copym((m), 0, 0, (w))
void m_adj(struct mbuf *m, int dlen);
void m_trim(struct mbuf *m, int dlen);