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Index: sys/sys/mbuf.h
===================================================================
--- sys/sys/mbuf.h
+++ sys/sys/mbuf.h
@@ -187,35 +187,46 @@
};
};
union {
- uint8_t eight[8];
- uint16_t sixteen[4];
- uint32_t thirtytwo[2];
- uint64_t sixtyfour[1];
- uintptr_t unintptr[1];
- void *ptr;
- } PH_per;
+ union {
+ uint8_t eight[8];
+ uint16_t sixteen[4];
+ uint32_t thirtytwo[2];
+ uint64_t sixtyfour[1];
+ uintptr_t unintptr[1];
+ void *ptr;
+ } PH_per;
+ struct { /* Ethernet */
+ uint16_t ether_vtag; /* in and out */
+ uint32_t csum_data; /* inbound */
+ };
+ uint16_t vt_nrecs; /* IGMP and MLD6 */
+ struct { /* TCP */
+ uint16_t tcp_tun_port; /* in and out (tcp_respond) */
+ struct {
+ uint16_t tso_segsz; /* outbound */
+ uint16_t lro_nsegs; /* inbound after LRO */
+ };
+ };
+ };
/* Layer specific non-persistent local storage for reassembly, etc. */
union {
- uint8_t eight[8];
- uint16_t sixteen[4];
- uint32_t thirtytwo[2];
- uint64_t sixtyfour[1];
- uintptr_t unintptr[1];
- void *ptr;
- } PH_loc;
+ union {
+ uint8_t eight[8];
+ uint16_t sixteen[4];
+ uint32_t thirtytwo[2];
+ uint64_t sixtyfour[1];
+ uintptr_t unintptr[1];
+ void *ptr;
+ } PH_loc;
+ struct { /* TCP: inbound during LRO (no reassembly) */
+ uint16_t lro_tcp_d_len;
+ uint16_t lro_tcp_d_csum;
+ uint16_t lro_tcp_h_off;
+ uint16_t lro_etype;
+ };
+ };
};
-#define ether_vtag PH_per.sixteen[0]
-#define tcp_tun_port PH_per.sixteen[0] /* outbound */
-#define vt_nrecs PH_per.sixteen[0] /* mld and v6-ND */
-#define tso_segsz PH_per.sixteen[1] /* inbound after LRO */
-#define lro_nsegs tso_segsz /* inbound after LRO */
-#define csum_data PH_per.thirtytwo[1] /* inbound from hardware up */
-#define lro_tcp_d_len PH_loc.sixteen[0] /* inbound during LRO (no reassembly) */
-#define lro_tcp_d_csum PH_loc.sixteen[1] /* inbound during LRO (no reassembly) */
-#define lro_tcp_h_off PH_loc.sixteen[2] /* inbound during LRO (no reassembly) */
-#define lro_etype PH_loc.sixteen[3] /* inbound during LRO (no reassembly) */
-/* Note PH_loc is used during IP reassembly (all 8 bytes as a ptr) */
/*
* TLS records for TLS 1.0-1.2 can have the following header lengths:

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